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162 Commits

Author SHA1 Message Date
Ferdinand Schober
1590245963 clients should not be mandatory in configuration
closes #284
2025-04-01 12:45:16 +02:00
Ferdinand Schober
3ec23d7171 unauthorized device accept notification (#282)
* ask the user to accept unauthorized devices

* only alert on actual error
2025-03-22 22:50:19 +01:00
Michel Lao
15296263b2 Fix parsing TOML key 'position' and values (#281)
* fix parsing toml key position and values

* Using rename_all instead rename over each enum

* rename struct field directly

---------

Co-authored-by: Ferdinand Schober <ferdinand.schober@fau.de>
2025-03-21 14:02:38 +01:00
Ferdinand Schober
5736919f89 Update README.md
update cli interface usage
2025-03-16 00:36:21 +01:00
Ferdinand Schober
1ece2a417d Update README.md 2025-03-15 18:48:25 +01:00
Ferdinand Schober
e101ff281b Update config.toml 2025-03-15 18:48:05 +01:00
Ferdinand Schober
532383ef65 Update README.md 2025-03-15 18:47:18 +01:00
Ferdinand Schober
92f652df2e feat: simplify and change configuration (#279)
*breaking change*
this changes the configuration syntax, allowing for an unlimited amount of configured clients.
Also a first step towards enabling a "save config" feature.
2025-03-15 18:45:19 +01:00
Ferdinand Schober
2f6a3629ad remove cli frontend in favour of cli subcommand (#278)
this removes the cli frontend entirely, replacing it with a subcommand instead
2025-03-15 18:20:25 +01:00
Ferdinand Schober
7898f2362c Update README.md (#277) 2025-03-15 16:51:23 +01:00
Ferdinand Schober
50a778452e Gtk frontend rework (#276)
client configuration now applies immediately instead of after enabling / disabling clients.
Also fixes a potential feedback loop when changing settings.
2025-03-15 01:21:53 +01:00
Ferdinand Schober
f247300f8c cancel previous dns request if a new one is made (#275) 2025-03-14 23:07:21 +01:00
Micah R Ledbetter
5d1745a60c Add cmd-q shortcut on macOS (#270) 2025-02-28 15:28:35 +01:00
Ferdinand Schober
615c75817a fix clippy lint 2025-02-27 16:57:53 +01:00
Ferdinand Schober
03407b9826 update flake 2025-02-27 16:57:38 +01:00
Ferdinand Schober
89684e1481 fix names in pre release as well 2025-02-21 13:45:00 +01:00
Ferdinand Schober
a1d4effcf9 fix file names 2025-02-21 13:28:52 +01:00
Ferdinand Schober
da054b7a9a fix bundle path 2025-02-21 12:45:54 +01:00
Micah R Ledbetter
508d066700 Build a macOS bundle for Intel and ARM (#266)
* Build a macOS bundle for Intel and ARM

* Build icon.icns file in a script

* Add imagemagick

* Add macOS bundling to pre/tagged-release actions
2025-02-21 12:35:13 +01:00
Ferdinand Schober
21c24f7fa1 layer-shell: handle added/removed globals
closes #253
2025-02-13 22:10:12 +01:00
Ferdinand Schober
3e1c3e95b7 use shadow-rs instead of executing git describe
this removes git from the build dependencies
2025-01-27 16:51:25 +01:00
VassiliDev
beb656e29f Clippy changes 2025-01-24 16:26:09 +01:00
VassiliDev
3b811ea593 Remove newline 2025-01-24 16:26:09 +01:00
VassiliDev
b517679849 Remove redundant dep 2025-01-24 16:26:09 +01:00
VassiliDev
68d6d89510 Handle locks (Caps/Num/Scroll)
Assume server is authoritative re ModifiersEvent
2025-01-24 16:26:09 +01:00
VassiliDev
345804355a Keep modifier state in WLRoots input emulator 2025-01-24 16:26:09 +01:00
Ferdinand Schober
2e2046dc36 less unsafe code 2025-01-24 14:52:04 +01:00
Ferdinand Schober
346ae79fa6 improve windows code 2025-01-24 14:52:04 +01:00
Ferdinand Schober
a962e43724 address clippy lints 2025-01-24 14:52:04 +01:00
Vassili-Dev
a8504df879 Add time to scroll event (#240)
closes #239
2025-01-20 17:32:51 +01:00
Emmanuel Ferdman
9ce00da31c update scancode.rs reference (#242)
Signed-off-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>
2024-12-04 14:33:44 +01:00
AdamJedl
afe5f0b8db fix windows input capture not releasing keys (#241) 2024-12-03 11:45:41 +01:00
Jakub Szturomski
1bf475018a update build.rs with optional git command (#236) 2024-11-24 23:05:18 +01:00
Ferdinand Schober
31366f4255 Update README.md
lan-mouse-mobile update
2024-11-10 15:38:56 +01:00
Ferdinand Schober
2135ccbed3 Add link to Lan Mouse Mobile 2024-11-09 14:56:08 +01:00
Ferdinand Schober
382fc5a3bc fix tables being swapped 2024-11-09 14:13:07 +01:00
Ferdinand Schober
f08324d938 update screenshots 2024-11-09 14:03:49 +01:00
Ferdinand Schober
7677fae14b Encryption and One-Way-Control (#200)
This is a major rewrite of the core networking logic enabling one-way control and encryption through the webrtc-dtls crate.

closes #164 
closes #104
2024-11-09 13:54:43 +01:00
Ferdinand Schober
0d074e19f1 try fixing CI 2024-11-07 20:53:27 +01:00
Ferdinand Schober
4703a4c947 chore: Release 2024-11-07 12:49:59 +01:00
Ferdinand Schober
a870a9e3a9 split features for emulation and capture backends 2024-11-07 12:43:42 +01:00
Ferdinand Schober
1433a3021b fix conditional compilation for xdp only build 2024-11-07 12:21:38 +01:00
Ferdinand Schober
ef92bd69d9 Update README.md 2024-11-07 02:37:40 +01:00
Ferdinand Schober
526d8004b6 Update README.md 2024-11-07 02:36:11 +01:00
Ferdinand Schober
fef702ffdd Update README.md (#229) 2024-11-07 02:35:32 +01:00
Ferdinand Schober
41ab25cc19 update screenshots (#228) 2024-11-07 01:18:55 +01:00
Ferdinand Schober
66456f18f1 update core-graphics / foundation (#227) 2024-11-07 01:15:35 +01:00
Ferdinand Schober
1d25dfbe50 upgrade ashpd + reis (#226) 2024-11-07 00:38:26 +01:00
Ferdinand Schober
9d28fe6c7b bump dependencies 2024-11-06 23:53:42 +01:00
byquanton
de674c631a Rename Synergy Community Edition to Deskflow (#225) 2024-11-06 13:46:19 +01:00
Ferdinand Schober
cd2cabf25b adapt config backend options to cli arg names 2024-11-06 12:14:47 +01:00
Ferdinand Schober
71f7e2e5e0 fix left over capture barrier 2024-11-05 14:32:39 +01:00
Ferdinand Schober
e7a18b9696 recreate wl_{pointer,keyboard} on capability event (#222)
this should fix #88
fixes #123
2024-11-04 22:45:57 +01:00
Ferdinand Schober
7496015d8d macos: implement client side modifier events (#219)
closes #198
closes #199
2024-10-27 08:41:26 +01:00
Ferdinand Schober
75b790ec2e propagate event tap creation error (#218) 2024-10-25 16:31:15 +02:00
Emile Akbarzadeh
9f52a2ac93 Add default.nix file to main and update readme (#211)
Co-authored-by: Emile Akbarzadeh <emile@dromeda.com.au>
2024-10-25 16:20:15 +02:00
Ferdinand Schober
4856199153 fix windows ci 2024-10-25 15:12:20 +02:00
虢豳
24e7a1d07f Add desktop and icon (#212)
* nix flake update

* nix: add desktop and icon

closes #210
2024-10-07 12:05:07 +02:00
Ferdinand Schober
555fbfeb79 formatting 2024-10-05 21:48:49 +02:00
Ferdinand Schober
6191216873 windows: fix panic when recreating input-capture
RegisterWindowClassW fails when called again
2024-10-05 21:47:12 +02:00
Ferdinand Schober
5b1dc4ccf8 reference count capture (#209)
* reference count capture

Multiple captures can now be created at the same position.
Captures at the same position are reference counted.

* update testcase

will be required by #200 / #164
2024-10-05 21:22:28 +02:00
Ferdinand Schober
ab1b45ff45 macos: fix key-release with repeat logic (#206) 2024-10-04 18:21:40 +02:00
Jacob Barber
b071201dcb Fix multimonitors (#202)
Co-authored-by: Jacob Barber <jacob.barber@disney.com>

closes #83
2024-09-20 20:50:37 +02:00
Nick Bolton
f52f19d2e3 Add link to Synergy (open source) (#194) 2024-09-10 19:06:09 +02:00
Ferdinand Schober
39fed0344c cleanup server code + fix a lost update case (#191) 2024-09-05 02:31:10 +02:00
Ferdinand Schober
6cd190191e cleanup main (#189) 2024-09-05 01:06:55 +02:00
Ferdinand Schober
be677d4c81 extract frontend crate (#186) 2024-09-04 17:29:29 +02:00
Ferdinand Schober
12bc0d86ca layer-shell: drop hard-dep on shortcut-inhibit (#188)
soften dependencies off layer-shell backend to make
https://wayland.app/protocols/keyboard-shortcuts-inhibit-unstable-v1
optional.

This allows partial functionality on compositors that don't support
the protocol, e.g. labwc.
2024-09-03 23:24:14 +02:00
Ferdinand Schober
1f7a7309eb include commit-hash in version (#185) 2024-09-02 19:46:07 +02:00
Ferdinand Schober
8926d8f803 produce events in dummy capture-backend (#184) 2024-09-02 17:59:17 +02:00
Johan
9248007986 [WIP] MacOS inputcapture (#131)
* [WIP] MacOS inputcapture

---------

Co-authored-by: Ferdinand Schober <ferdinand.schober@fau.de>
Co-authored-by: Ferdinand Schober <ferdinandschober20@gmail.com>
2024-08-26 12:40:45 +02:00
Ferdinand Schober
e7a1d72149 use local-channel instead of tokio sync channel (#179)
this avoids the mutex overhead in tokio
2024-08-12 18:20:21 +02:00
Ferdinand Schober
19c2c4327f move lan-mouse protocol to separate crate (#178) 2024-08-11 16:51:47 +02:00
Ferdinand Schober
fe06ca1fae cleanup capture task (#177)
* cleanup capture task

* rename {Capture,Emulation}Event to %Request
2024-08-09 14:43:55 +02:00
Ferdinand Schober
266ad28c6b track pressed keys in input-capture (#170)
move pressed key tracking to input capture
2024-08-09 13:18:23 +02:00
Ferdinand Schober
096567640c fix pressed key tracking
accidentally broke this in 8f7890c

closes #174
2024-08-08 13:33:04 +02:00
Ferdinand Schober
8f7890c9be move refcounting of key presses to input-emulation (#169) 2024-08-06 16:46:32 +02:00
Ferdinand Schober
68361b25d1 fix crash due to dropped fd (#167) 2024-08-05 14:16:45 +02:00
Ferdinand Schober
22dc33367b chore: Release 2024-07-30 11:13:05 +02:00
Ferdinand Schober
ec412a5e74 chore: Release 2024-07-30 11:12:20 +02:00
Ferdinand Schober
e1096ae86c fix macos build error 2024-07-30 11:11:45 +02:00
Ferdinand Schober
de3167221c chore: Release 2024-07-30 11:07:49 +02:00
Ferdinand Schober
0509b51a61 chore: Release 2024-07-30 11:06:27 +02:00
Ferdinand Schober
281cb406dd chore: Release 2024-07-30 11:06:04 +02:00
Ferdinand Schober
06ac390dbf chore: Release 2024-07-30 11:05:03 +02:00
Ferdinand Schober
dcc9250b6d fix repository url 2024-07-30 11:04:21 +02:00
Ferdinand Schober
376ae50b45 chore: Release 2024-07-30 11:03:08 +02:00
Ferdinand Schober
0e2c749b29 fix conditional compilation 2024-07-30 10:52:56 +02:00
Ferdinand Schober
127c3366bf derive barrier_id from cursor position (#162)
this should fix #140
2024-07-19 15:23:04 +02:00
Ferdinand Schober
00e1ded35d fix windows build 2024-07-19 15:06:13 +02:00
Ferdinand Schober
65fb228db5 upgrade dependencies 2024-07-19 12:58:52 +02:00
Ferdinand Schober
975d4b58a5 fix scrolling factor in xdp emulation 2024-07-17 11:26:43 +02:00
Ferdinand Schober
0be85f63f7 ensure all keys are released when emulation ends 2024-07-16 22:43:56 +02:00
Ferdinand Schober
bea7d6f8a5 Allow input capture & emulation being disabled (#158)
* Input capture and emulation can now be disabled and will prompt the user to enable again.

* Improved error handling to deliver more useful error messages
2024-07-16 20:34:46 +02:00
Hannes Schulze
55bdf1e63e Update Nix Flake (#161)
* nix: add support for aarch64-linux

* nix: add librsvg to enable svg icons in gtk
2024-07-16 14:59:36 +02:00
Bill Doyle
84696760f0 Add warning about Windows hiding the cursor (#160) 2024-07-13 00:55:02 +02:00
Ferdinand Schober
6a4dd740c3 code cleanup + purge anyhow in library code (#157) 2024-07-10 00:33:49 +02:00
Ferdinand Schober
703465a370 fix drop impl for desktop-portal 2024-07-05 01:41:11 +02:00
Ferdinand Schober
ef3ebc59bd adjust error handling 2024-07-05 01:41:11 +02:00
Ferdinand Schober
37a8f729ea remove dispatch workaround 2024-07-05 01:41:11 +02:00
Ferdinand Schober
9abec63313 update dependencies 2024-07-03 11:11:50 +02:00
Ferdinand Schober
35e626976e add explicit version 2024-07-02 22:39:20 +02:00
Ferdinand Schober
684735b499 fix dependencies in input-event 2024-07-02 22:34:43 +02:00
Ferdinand Schober
abfc744e4c specify dependency versions explicitly 2024-07-02 22:17:26 +02:00
Ferdinand Schober
fb2c39e8ae fix all features enabled by default 2024-07-02 22:07:37 +02:00
Ferdinand Schober
82ab5ecbbd fix xdg-desktop-portal backend not available 2024-07-02 22:07:37 +02:00
Ferdinand Schober
3fd2b31562 update deps 2024-07-02 22:07:37 +02:00
Ferdinand Schober
90e83cee87 purge dependencies 2024-07-02 22:07:37 +02:00
Ferdinand Schober
4db2d37f32 split into input-{event,capture,emulation} 2024-07-02 22:07:37 +02:00
Ferdinand Schober
7b511bb97d fix iteration order 2024-07-02 16:23:07 +02:00
Ferdinand Schober
70a23b9fa7 reduce coupling of emulation and capture backends 2024-07-02 16:23:07 +02:00
Ferdinand Schober
b6b16063a8 Configurable emulation backend (#151) 2024-07-01 20:09:16 +02:00
Ferdinand Schober
9cbe1ed8d8 fix release bind message 2024-06-30 14:41:16 +02:00
Ferdinand Schober
3528ef4fae Configurable capture backend (#150)
capture backend can now be configured via the `capture_backend` cli argument / config entry
2024-06-29 00:10:36 +02:00
Ferdinand Schober
232c048c19 fix transmuting to pointer types UB (#147)
closes #134
2024-06-25 14:13:05 +02:00
Orhun Parmaksız
1c37579ae5 Update Arch Linux instructions (#145) 2024-06-19 20:28:30 +02:00
Ferdinand Schober
460bacade5 fix sizeof usize assumed to be 8 (#143)
closes #141
2024-06-09 00:49:00 +02:00
虢豳
5fd3b719d6 Extract package name and version from Cargo.toml (#136)
* chore: nix flake update

* feat: Extract package name and version from Cargo.toml
2024-05-22 08:06:44 +02:00
Ferdinand Schober
e6d4585bb2 chore: Release lan-mouse version 0.8.0 2024-05-17 18:06:11 +02:00
Ferdinand Schober
1c082d5c0c fix win -> lin scancode translations for intl keys 2024-05-17 17:39:52 +02:00
Ferdinand Schober
cd98acbd08 fix right shift not working 2024-05-16 22:36:51 +02:00
Ferdinand Schober
11e1919588 fix most international keybindings 2024-05-16 22:29:41 +02:00
Ferdinand Schober
152bceaa86 fix dns resolving 2024-05-13 08:12:55 +02:00
Ferdinand Schober
60180d841c fix formatting 2024-05-12 15:50:03 +02:00
Ferdinand Schober
5802a0be0b fix discrete scrolling on wlroots 2024-05-12 15:49:39 +02:00
Ferdinand Schober
1737727d61 fix cast 2024-05-12 15:07:29 +02:00
Ferdinand Schober
ba46037a1f fix scrolling in windows 2024-05-12 14:55:56 +02:00
Ferdinand Schober
da768b6fb8 ignore Axis events corresponding to v120 events 2024-05-12 13:32:14 +02:00
Ferdinand Schober
799b45104a enter hook command (#130)
new configuration option `enter_hook` can now be used to spawn a command when a client is entered
2024-05-12 13:01:07 +02:00
Ferdinand Schober
e9738fc024 explicit state synchronisation (#129)
prevents unnecessary state updates and makes synchronization less error prone
2024-05-12 00:49:53 +02:00
Ferdinand Schober
9969f997d3 macos-latest on longer runs on intel macs 2024-05-07 11:46:01 +02:00
Ferdinand Schober
b8cc9e2197 hotfix: race condition when activating clients 2024-05-07 11:18:15 +02:00
Ferdinand Schober
ba6abafe75 windows: fix resolution with scaling enabled (#124) 2024-05-07 00:07:30 +02:00
Ferdinand Schober
effb9ce0fa libei: fix touchpad scrolling (#121) 2024-05-04 12:53:45 +02:00
Ferdinand Schober
1f0d386d4a add discrete120 scroll event (#120)
* add discrete120 scroll event
2024-05-04 03:34:13 +02:00
Ferdinand Schober
973360a774 libei emulation: use discrete scroll events 2024-05-04 01:27:38 +02:00
Ferdinand Schober
e21ab02a6e layer-shell: use value120 scroll events #115 2024-05-04 01:27:13 +02:00
Ferdinand Schober
18a3c10f8e Update FUNDING.yml 2024-05-03 16:40:59 +02:00
Ferdinand Schober
c76d9ef7af implement dns indicator (#119) 2024-05-03 13:00:00 +02:00
Ferdinand Schober
5318f5a02d Separate config state (#118)
* change internal api
* frontend now keeps and more correctly reflects backend state
2024-05-03 11:27:06 +02:00
Johan
1e4312b3ce nix: Add macOS launchd service to hm-module module (#110)
Home manager has the possibility to run macOS launchd services. These
are automatically disabled when running on linux.
2024-04-28 12:25:35 +02:00
Ferdinand Schober
77aa96e09a defer creation of input capture / emulation (#117) 2024-04-26 23:59:00 +02:00
Ferdinand Schober
636c5924bf trust_dns_resolver is now hickory_resolver (#116) 2024-04-26 22:52:00 +02:00
Ferdinand Schober
3e96b42067 use slab instead of reinventing the wheel (#112) 2024-04-26 00:10:04 +02:00
Ferdinand Schober
279e582698 Rename FrontendEvent to FrontendRequest (#111)
* rename frontend event and notify
* simplify event names
2024-04-25 22:18:43 +02:00
Johan
9edd2f7f3b nix: enable creating config file via home-manager (#109) 2024-04-25 14:06:31 +02:00
Johan
43c16a537b nix: Add aarch64-darwin package and devshell (#108)
Enable building and developing using nix on aarch64-darwin
2024-04-24 21:27:24 +02:00
Ferdinand Schober
36855a1a17 pub glib-build-tools behind gtk feature flag 2024-04-15 10:14:48 +02:00
Ferdinand Schober
e537cdbc7e properly reset copy icon 2024-04-13 00:28:53 +02:00
Ferdinand Schober
5b76c3bcda add hostname entry row with clipboard button 2024-04-13 00:24:46 +02:00
Ferdinand Schober
81f65dcd3d gtk: use predifined css classes instead of custom ones 2024-04-13 00:24:46 +02:00
Ferdinand Schober
f0099ee535 windows: revert scrolling multiplier 2024-04-12 15:28:21 +02:00
Ferdinand Schober
633d2c346e windows: impl back and forward mouse buttons 2024-04-12 15:28:05 +02:00
Ferdinand Schober
ccb201ea53 formatting 2024-04-11 13:54:11 +02:00
Ferdinand Schober
f7edfecba9 add tests for capture and emulation 2024-04-11 13:53:49 +02:00
Ferdinand Schober
141ea2809d fix a race condition in windows capture 2024-04-11 13:09:38 +02:00
Ferdinand Schober
058097c618 Update OS support table 2024-04-11 04:05:15 +02:00
Ferdinand Schober
f9eeb254d3 Windows Input Capture (#100)
initial support for windows input capture.
Some things need fixing;
- scrolling
- mouse buttons > 2
2024-04-11 03:55:42 +02:00
Ferdinand Schober
9ca7e2378c enforce only one client at a position (#102) 2024-04-10 14:16:19 +02:00
Ferdinand Schober
cc7984c066 fix clippy lint 2024-04-08 21:14:07 +02:00
Ferdinand Schober
1a2645cfbc fix formatting (#101) 2024-04-08 17:52:16 +02:00
Ferdinand Schober
e52febf457 simplify windows installation instructions 2024-04-08 17:48:22 +02:00
121 changed files with 14342 additions and 6826 deletions

1
.github/FUNDING.yml vendored
View File

@@ -1 +1,2 @@
github: [feschber]
ko_fi: feschber

View File

@@ -3,8 +3,14 @@ name: Binary Cache
on: [push, pull_request, workflow_dispatch]
jobs:
nix:
strategy:
matrix:
os:
- ubuntu-latest
- macos-13
- macos-14
name: "Build"
runs-on: ubuntu-latest
runs-on: ${{ matrix.os }}
steps:
- name: Checkout
uses: actions/checkout@v4
@@ -20,5 +26,15 @@ jobs:
name: lan-mouse
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- name: Build lan-mouse
run: nix build --print-build-logs
- name: Build lan-mouse (x86_64-linux)
if: matrix.os == 'ubuntu-latest'
run: nix build --print-build-logs --show-trace .#packages.x86_64-linux.lan-mouse
- name: Build lan-mouse (x86_64-darwin)
if: matrix.os == 'macos-13'
run: nix build --print-build-logs --show-trace .#packages.x86_64-darwin.lan-mouse
- name: Build lan-mouse (aarch64-darwin)
if: matrix.os == 'macos-14'
run: nix build --print-build-logs --show-trace .#packages.aarch64-darwin.lan-mouse

View File

@@ -55,7 +55,9 @@ jobs:
# choco install msys2
# choco install visualstudio2022-workload-vctools
# choco install pkgconfiglite
pipx install gvsbuild
py -m venv .venv
.venv\Scripts\activate.ps1
py -m pip install gvsbuild
# see https://github.com/wingtk/gvsbuild/pull/1004
Move-Item "C:\Program Files\Git\usr\bin" "C:\Program Files\Git\usr\notbin"
Move-Item "C:\Program Files\Git\bin" "C:\Program Files\Git\notbin"
@@ -78,40 +80,60 @@ jobs:
path: lan-mouse-windows.zip
macos-release-build:
runs-on: macos-latest
runs-on: macos-13
steps:
- uses: actions/checkout@v4
- name: install dependencies
run: brew install gtk4 libadwaita
run: brew install gtk4 libadwaita imagemagick
- name: Release Build
run: |
cargo build --release
cp target/release/lan-mouse lan-mouse-macos-intel
- name: Make icns
run: scripts/makeicns.sh
- name: Install cargo bundle
run: cargo install cargo-bundle
- name: Bundle
run: cargo bundle --release
- name: Zip bundle
run: |
cd target/release/bundle/osx
zip -r "lan-mouse-macos-intel.zip" "Lan Mouse.app"
- name: Upload build artifact
uses: actions/upload-artifact@v4
with:
name: lan-mouse-macos-intel
path: lan-mouse-macos-intel
path: target/release/bundle/osx/lan-mouse-macos-intel.zip
macos-aarch64-release-build:
runs-on: macos-14
steps:
- uses: actions/checkout@v4
- name: install dependencies
run: brew install gtk4 libadwaita
run: brew install gtk4 libadwaita imagemagick
- name: Release Build
run: |
cargo build --release
cp target/release/lan-mouse lan-mouse-macos-aarch64
- name: Make icns
run: scripts/makeicns.sh
- name: Install cargo bundle
run: cargo install cargo-bundle
- name: Bundle
run: cargo bundle --release
- name: Zip bundle
run: |
cd target/release/bundle/osx
zip -r "lan-mouse-macos-aarch64.zip" "Lan Mouse.app"
- name: Upload build artifact
uses: actions/upload-artifact@v4
with:
name: lan-mouse-macos-aarch64
path: lan-mouse-macos-aarch64
path: target/release/bundle/osx/lan-mouse-macos-aarch64.zip
pre-release:
name: "Pre Release"
needs: [windows-release-build, linux-release-build, macos-release-build]
needs: [windows-release-build, linux-release-build, macos-release-build, macos-aarch64-release-build]
runs-on: "ubuntu-latest"
steps:
- name: Download build artifacts
@@ -125,6 +147,6 @@ jobs:
title: "Development Build"
files: |
lan-mouse-linux/lan-mouse
lan-mouse-macos-intel/lan-mouse-macos-intel
lan-mouse-macos-aarch64/lan-mouse-macos-aarch64
lan-mouse-macos-intel/lan-mouse-macos-intel.zip
lan-mouse-macos-aarch64/lan-mouse-macos-aarch64.zip
lan-mouse-windows/lan-mouse-windows.zip

View File

@@ -66,7 +66,9 @@ jobs:
# choco install msys2
# choco install visualstudio2022-workload-vctools
# choco install pkgconfiglite
pipx install gvsbuild
py -m venv .venv
.venv\Scripts\activate.ps1
py -m pip install gvsbuild
# see https://github.com/wingtk/gvsbuild/pull/1004
Move-Item "C:\Program Files\Git\usr\bin" "C:\Program Files\Git\usr\notbin"
Move-Item "C:\Program Files\Git\bin" "C:\Program Files\Git\notbin"
@@ -92,11 +94,11 @@ jobs:
target/debug/*.dll
build-macos:
runs-on: macos-latest
runs-on: macos-13
steps:
- uses: actions/checkout@v4
- name: install dependencies
run: brew install gtk4 libadwaita
run: brew install gtk4 libadwaita imagemagick
- name: Build
run: cargo build --verbose
- name: Run tests
@@ -105,18 +107,28 @@ jobs:
run: cargo fmt --check
- name: Clippy
run: cargo clippy --all-features --all-targets -- --deny warnings
- name: Make icns
run: scripts/makeicns.sh
- name: Install cargo bundle
run: cargo install cargo-bundle
- name: Bundle
run: cargo bundle
- name: Zip bundle
run: |
cd target/debug/bundle/osx
zip -r "Lan Mouse macOS (Intel).zip" "Lan Mouse.app"
- name: Upload build artifact
uses: actions/upload-artifact@v4
with:
name: lan-mouse-macos
path: target/debug/lan-mouse
name: Lan Mouse macOS (Intel)
path: target/debug/bundle/osx/Lan Mouse macOS (Intel).zip
build-macos-aarch64:
runs-on: macos-14
steps:
- uses: actions/checkout@v4
- name: install dependencies
run: brew install gtk4 libadwaita
run: brew install gtk4 libadwaita imagemagick
- name: Build
run: cargo build --verbose
- name: Run tests
@@ -125,8 +137,18 @@ jobs:
run: cargo fmt --check
- name: Clippy
run: cargo clippy --all-features --all-targets -- --deny warnings
- name: Make icns
run: scripts/makeicns.sh
- name: Install cargo bundle
run: cargo install cargo-bundle
- name: Bundle
run: cargo bundle
- name: Zip bundle
run: |
cd target/debug/bundle/osx
zip -r "Lan Mouse macOS (ARM).zip" "Lan Mouse.app"
- name: Upload build artifact
uses: actions/upload-artifact@v4
with:
name: lan-mouse-macos-aarch64
path: target/debug/lan-mouse
name: Lan Mouse macOS (ARM)
path: target/debug/bundle/osx/Lan Mouse macOS (ARM).zip

View File

@@ -3,7 +3,7 @@ name: "Tagged Release"
on:
push:
tags:
- "v*"
- v**
jobs:
linux-release-build:
@@ -51,7 +51,9 @@ jobs:
# choco install msys2
# choco install visualstudio2022-workload-vctools
# choco install pkgconfiglite
pipx install gvsbuild
py -m venv .venv
.venv\Scripts\activate.ps1
py -m pip install gvsbuild
# see https://github.com/wingtk/gvsbuild/pull/1004
Move-Item "C:\Program Files\Git\usr\bin" "C:\Program Files\Git\usr\notbin"
Move-Item "C:\Program Files\Git\bin" "C:\Program Files\Git\notbin"
@@ -74,51 +76,71 @@ jobs:
path: lan-mouse-windows.zip
macos-release-build:
runs-on: macos-latest
runs-on: macos-13
steps:
- uses: actions/checkout@v4
- name: install dependencies
run: brew install gtk4 libadwaita
run: brew install gtk4 libadwaita imagemagick
- name: Release Build
run: |
cargo build --release
cp target/release/lan-mouse lan-mouse-macos-intel
- name: Make icns
run: scripts/makeicns.sh
- name: Install cargo bundle
run: cargo install cargo-bundle
- name: Bundle
run: cargo bundle --release
- name: Zip bundle
run: |
cd target/release/bundle/osx
zip -r "lan-mouse-macos-intel.zip" "Lan Mouse.app"
- name: Upload build artifact
uses: actions/upload-artifact@v4
with:
name: lan-mouse-macos-intel
path: lan-mouse-macos-intel
name: lan-mouse-macos-intel.zip
path: target/release/bundle/osx/lan-mouse-macos-intel.zip
macos-aarch64-release-build:
runs-on: macos-14
steps:
- uses: actions/checkout@v4
- name: install dependencies
run: brew install gtk4 libadwaita
run: brew install gtk4 libadwaita imagemagick
- name: Release Build
run: |
cargo build --release
cp target/release/lan-mouse lan-mouse-macos-aarch64
- name: Make icns
run: scripts/makeicns.sh
- name: Install cargo bundle
run: cargo install cargo-bundle
- name: Bundle
run: cargo bundle --release
- name: Zip bundle
run: |
cd target/release/bundle/osx
zip -r "lan-mouse-macos-aarch64.zip" "Lan Mouse.app"
- name: Upload build artifact
uses: actions/upload-artifact@v4
with:
name: lan-mouse-macos-aarch64
path: lan-mouse-macos-aarch64
name: lan-mouse-macos-aarch64.zip
path: target/release/bundle/osx/lan-mouse-macos-aarch64.zip
tagged-release:
name: "Tagged Release"
needs: [windows-release-build, linux-release-build, macos-release-build]
needs: [windows-release-build, linux-release-build, macos-release-build, macos-aarch64-release-build]
runs-on: "ubuntu-latest"
steps:
- name: Download build artifacts
uses: actions/download-artifact@v4
- name: "Create Release"
- name: Create Release
uses: "marvinpinto/action-automatic-releases@latest"
with:
repo_token: "${{ secrets.GITHUB_TOKEN }}"
prerelease: false
files: |
lan-mouse-linux/lan-mouse
lan-mouse-macos-intel/lan-mouse-macos-intel
lan-mouse-macos-aarch64/lan-mouse-macos-aarch64
lan-mouse-macos-intel/lan-mouse-macos-intel.zip
lan-mouse-macos-aarch64/lan-mouse-macos-aarch64.zip
lan-mouse-windows/lan-mouse-windows.zip

5
.gitignore vendored
View File

@@ -4,4 +4,7 @@
.vs/
.vscode/
.direnv/
result
result
*.pem
*.csr
extfile.conf

2946
Cargo.lock generated

File diff suppressed because it is too large Load Diff

View File

@@ -1,63 +1,96 @@
[workspace]
members = [
"input-capture",
"input-emulation",
"input-event",
"lan-mouse-ipc",
"lan-mouse-cli",
"lan-mouse-gtk",
"lan-mouse-proto",
]
[package]
name = "lan-mouse"
description = "Software KVM Switch / mouse & keyboard sharing software for Local Area Networks"
version = "0.7.3"
version = "0.10.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/ferdinandschober/lan-mouse"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
repository = "https://github.com/feschber/lan-mouse"
[profile.release]
strip = true
codegen-units = 1
lto = "fat"
strip = true
panic = "abort"
[build-dependencies]
shadow-rs = "0.38.0"
[dependencies]
tempfile = "3.8"
trust-dns-resolver = "0.23"
memmap = "0.7"
input-event = { path = "input-event", version = "0.3.0" }
input-emulation = { path = "input-emulation", version = "0.3.0", default-features = false }
input-capture = { path = "input-capture", version = "0.3.0", default-features = false }
lan-mouse-cli = { path = "lan-mouse-cli", version = "0.2.0" }
lan-mouse-gtk = { path = "lan-mouse-gtk", version = "0.2.0", optional = true }
lan-mouse-ipc = { path = "lan-mouse-ipc", version = "0.2.0" }
lan-mouse-proto = { path = "lan-mouse-proto", version = "0.2.0" }
shadow-rs = { version = "0.38.0", features = ["metadata"] }
hickory-resolver = "0.24.1"
toml = "0.8"
serde = { version = "1.0", features = ["derive"] }
anyhow = "1.0.71"
log = "0.4.20"
env_logger = "0.11.3"
serde_json = "1.0.107"
tokio = {version = "1.32.0", features = ["io-util", "macros", "net", "rt", "sync", "signal"] }
async-trait = "0.1.73"
futures-core = "0.3.28"
tokio = { version = "1.32.0", features = [
"io-util",
"io-std",
"macros",
"net",
"process",
"rt",
"sync",
"signal",
] }
futures = "0.3.28"
clap = { version="4.4.11", features = ["derive"] }
gtk = { package = "gtk4", version = "0.8.1", features = ["v4_2"], optional = true }
adw = { package = "libadwaita", version = "0.6.0", features = ["v1_1"], optional = true }
async-channel = { version = "2.1.1", optional = true }
keycode = "0.4.0"
once_cell = "1.19.0"
clap = { version = "4.4.11", features = ["derive"] }
slab = "0.4.9"
thiserror = "2.0.0"
tokio-util = "0.7.11"
local-channel = "0.1.5"
webrtc-dtls = { version = "0.10.0", features = ["pem"] }
webrtc-util = "0.9.0"
rustls = { version = "0.23.12", default-features = false, features = [
"std",
"ring",
] }
rcgen = "0.13.1"
sha2 = "0.10.8"
[target.'cfg(unix)'.dependencies]
libc = "0.2.148"
[target.'cfg(all(unix, not(target_os="macos")))'.dependencies]
wayland-client = { version="0.31.1", optional = true }
wayland-protocols = { version="0.31.0", features=["client", "staging", "unstable"], optional = true }
wayland-protocols-wlr = { version="0.2.0", features=["client"], optional = true }
wayland-protocols-misc = { version="0.2.0", features=["client"], optional = true }
x11 = { version = "2.21.0", features = ["xlib", "xtest"], optional = true }
ashpd = { version = "0.8", default-features = false, features = ["tokio"], optional = true }
reis = { version = "0.2", features = [ "tokio" ], optional = true }
[target.'cfg(target_os="macos")'.dependencies]
core-graphics = { version = "0.23", features = ["highsierra"] }
[target.'cfg(windows)'.dependencies]
windows = { version = "0.54.0", features = [ "Win32_UI_Input_KeyboardAndMouse" ] }
[build-dependencies]
glib-build-tools = "0.19.0"
[features]
default = ["wayland", "x11", "xdg_desktop_portal", "libei", "gtk"]
wayland = ["dep:wayland-client", "dep:wayland-protocols", "dep:wayland-protocols-wlr", "dep:wayland-protocols-misc" ]
x11 = ["dep:x11"]
xdg_desktop_portal = ["dep:ashpd"]
libei = ["dep:reis", "dep:ashpd"]
gtk = ["dep:gtk", "dep:adw", "dep:async-channel"]
default = [
"gtk",
"layer_shell_capture",
"x11_capture",
"libei_capture",
"wlroots_emulation",
"libei_emulation",
"rdp_emulation",
"x11_emulation",
]
gtk = ["dep:lan-mouse-gtk"]
layer_shell_capture = ["input-capture/layer_shell"]
x11_capture = ["input-capture/x11"]
libei_capture = ["input-event/libei", "input-capture/libei"]
libei_emulation = ["input-event/libei", "input-emulation/libei"]
wlroots_emulation = ["input-emulation/wlroots"]
x11_emulation = ["input-emulation/x11"]
rdp_emulation = ["input-emulation/remote_desktop_portal"]
[package.metadata.bundle]
name = "Lan Mouse"
icon = ["target/icon.icns"]
identifier = "de.feschber.LanMouse"

444
README.md
View File

@@ -1,108 +1,106 @@
# Lan Mouse
Lan Mouse is a mouse and keyboard sharing software similar to universal-control on Apple devices.
It allows for using multiple pcs with a single set of mouse and keyboard.
Lan Mouse is a *cross-platform* mouse and keyboard sharing software similar to universal-control on Apple devices.
It allows for using multiple PCs via a single set of mouse and keyboard.
This is also known as a Software KVM switch.
The primary target is Wayland on Linux but Windows and MacOS and Linux on Xorg have partial support as well (see below for more details).
Goal of this project is to be an open-source alternative to proprietary tools like [Synergy 2/3](https://symless.com/synergy), [Share Mouse](https://www.sharemouse.com/de/)
and other open source tools like [Deskflow](https://github.com/deskflow/deskflow) or [Input Leap](https://github.com/input-leap) (Synergy fork).
Focus lies on performance, ease of use and a maintainable implementation that can be expanded to support additional backends for e.g. Android, iOS, ... in the future.
***blazingly fast™*** because it's written in rust.
- _Now with a gtk frontend_
<picture>
<source media="(prefers-color-scheme: dark)" srcset="https://github.com/feschber/lan-mouse/assets/40996949/016a06a9-76db-4951-9dcc-127d012c59df">
<source media="(prefers-color-scheme: light)" srcset="https://github.com/feschber/lan-mouse/assets/40996949/d6318340-f811-4e16-9d6e-d1b79883c709">
<img alt="Screenshot of Lan-Mouse" srcset="https://github.com/feschber/lan-mouse/assets/40996949/016a06a9-76db-4951-9dcc-127d012c59df">
<source media="(prefers-color-scheme: dark)" srcset="/screenshots/dark.png?raw=true">
<source media="(prefers-color-scheme: light)" srcset="/screenshots/light.png?raw=true">
<img alt="Screenshot of Lan-Mouse" srcset="/screenshots/dark.png">
</picture>
Goal of this project is to be an open-source replacement for proprietary tools like [Synergy 2/3](https://symless.com/synergy), [Share Mouse](https://www.sharemouse.com/de/).
Focus lies on performance and a clean, manageable implementation that can easily be expanded to support additional backends like e.g. Android, iOS, ... .
***blazingly fast™*** because it's written in rust.
For an alternative (with slightly different goals) you may check out [Input Leap](https://github.com/input-leap).
> [!WARNING]
> Since this tool has gained a bit of popularity over the past couple of days:
>
> All network traffic is currently **unencrypted** and sent in **plaintext**.
>
> A malicious actor with access to the network could read input data or send input events with spoofed IPs to take control over a device.
>
> Therefore you should only use this tool in your local network with trusted devices for now
> and I take no responsibility for any leakage of data!
## Encryption
Lan Mouse encrypts all network traffic using the DTLS implementation provided by [WebRTC.rs](https://github.com/webrtc-rs/webrtc).
There are currently no mitigations in place for timing side-channel attacks.
## OS Support
The following table shows support for input emulation (to emulate events received from other clients) and
input capture (to send events *to* other clients) on different operating systems:
Most current desktop environments and operating systems are fully supported, this includes
- GNOME >= 45
- KDE Plasma >= 6.1
- Most wlroots based compositors, including Sway (>= 1.8), Hyprland and Wayfire
- Windows
- MacOS
| Backend | input emulation | input capture |
|---------------------------|--------------------------|--------------------------------------|
| Wayland (wlroots) | :heavy_check_mark: | :heavy_check_mark: |
| Wayland (KDE) | :heavy_check_mark: | :heavy_check_mark: |
| Wayland (Gnome) | :heavy_check_mark: | :heavy_check_mark: |
| X11 | :heavy_check_mark: | WIP |
| Windows | :heavy_check_mark: | WIP |
| MacOS | :heavy_check_mark: | WIP |
### Caveats / Known Issues
> [!Important]
> Gnome -> Sway only partially works (modifier events are not handled correctly)
> [!Important]
> **Wayfire**
> - **X11** currently only has support for input emulation, i.e. can only be used on the receiving end.
>
> If you are using [Wayfire](https://github.com/WayfireWM/wayfire), make sure to use a recent version (must be newer than October 23rd) and **add `shortcuts-inhibit` to the list of plugins in your wayfire config!**
> - **Sway / wlroots**: Wlroots based compositors without libei support on the receiving end currently do not handle modifier events on the client side.
> This results in CTRL / SHIFT / ALT / SUPER keys not working with a sending device that is NOT using the `layer-shell` backend
>
> - **Wayfire**: If you are using [Wayfire](https://github.com/WayfireWM/wayfire), make sure to use a recent version (must be newer than October 23rd) and **add `shortcuts-inhibit` to the list of plugins in your wayfire config!**
> Otherwise input capture will not work.
>
> - **Windows**: The mouse cursor will be invisible when sending input to a Windows system if
> there is no real mouse connected to the machine.
For more detailed information about os support see [Detailed OS Support](#detailed-os-support)
### Android & IOS
A proof of concept for an Android / IOS Application by [rohitsangwan01](https://github.com/rohitsangwan01) can be found [here](https://github.com/rohitsangwan01/lan-mouse-mobile).
It can be used as a remote control for any device supported by Lan Mouse.
## Installation
### Install with cargo
<details>
<summary>Arch Linux</summary>
Lan Mouse can be installed from the [official repositories](https://archlinux.org/packages/extra/x86_64/lan-mouse/):
```sh
cargo install lan-mouse
pacman -S lan-mouse
```
### Download from Releases
The easiest way to install Lan Mouse is to download precompiled release binaries from the [releases section](https://github.com/feschber/lan-mouse/releases).
The prerelease version (following `main`) is available on the AUR:
For Windows, the depenedencies are included in the .zip file, for other operating systems see [Installing Dependencies](#installing-dependencies).
### Arch Linux
Lan Mouse is available on the AUR:
```sh
# git version (includes latest changes)
paru -S lan-mouse-git
# alternatively
paru -S lan-mouse-bin
```
</details>
<details>
<summary>Nix (OS)</summary>
### Nix
- nixpkgs: [search.nixos.org](https://search.nixos.org/packages?channel=unstable&show=lan-mouse&from=0&size=50&sort=relevance&type=packages&query=lan-mouse)
- flake: [README.md](./nix/README.md)
</details>
### Building from Source
Build in release mode:
<details>
<summary>Manual Installation</summary>
First make sure to [install the necessary dependencies](#installing-dependencies).
Precompiled release binaries for Windows, MacOS and Linux are available in the [releases section](https://github.com/feschber/lan-mouse/releases).
For Windows, the depenedencies are included in the .zip file, for other operating systems see [Installing Dependencies](#installing-dependencies).
Alternatively, the `lan-mouse` binary can be compiled from source (see below).
### Installing desktop file, app icon and firewall rules (optional)
```sh
cargo build --release
```
Run directly:
```sh
cargo run --release
```
Install the files:
```sh
# install lan-mouse
sudo cp target/release/lan-mouse /usr/local/bin/
# install lan-mouse (replace path/to/ with the correct path)
sudo cp path/to/lan-mouse /usr/local/bin/
# install app icon
sudo mkdir -p /usr/local/share/icons/hicolor/scalable/apps
sudo cp resources/de.feschber.LanMouse.svg /usr/local/share/icons/hicolor/scalable/apps
sudo cp lan-mouse-gtk/resources/de.feschber.LanMouse.svg /usr/local/share/icons/hicolor/scalable/apps
# update icon cache
gtk-update-icon-cache /usr/local/share/icons/hicolor/
@@ -116,78 +114,116 @@ sudo cp firewall/lan-mouse.xml /etc/firewalld/services
# -> enable the service in firewalld settings
```
### Conditional Compilation
Instead of downloading from the releases, the `lan-mouse` binary
can be easily compiled via cargo or nix:
Currently only x11, wayland, windows and MacOS are supported backends.
Depending on the toolchain used, support for other platforms is omitted
automatically (it does not make sense to build a Windows `.exe` with
support for x11 and wayland backends).
### Compiling and installing manually:
```sh
# compile in release mode
cargo build --release
However one might still want to omit support for e.g. wayland, x11 or libei on
a Linux system.
# install lan-mouse
sudo cp target/release/lan-mouse /usr/local/bin/
```
This is possible through
### Compiling and installing via cargo:
```sh
# will end up in ~/.cargo/bin
cargo install lan-mouse
```
### Compiling and installing via nix:
```sh
# you can find the executable in result/bin/lan-mouse
nix-build
```
### Conditional compilation
Support for other platforms is omitted automatically based on the active
rust toolchain.
Additionally, available backends and frontends can be configured manually via
[cargo features](https://doc.rust-lang.org/cargo/reference/features.html).
E.g. if only wayland support is needed, the following command produces
an executable with just support for wayland:
E.g. if only support for sway is needed, the following command produces
an executable with support for only the `layer-shell` capture backend
and `wlroots` emulation backend:
```sh
cargo build --no-default-features --features wayland
cargo build --no-default-features --features layer_shell_capture,wlroots_emulation
```
For a detailed list of available features, checkout the [Cargo.toml](./Cargo.toml)
</details>
## Installing Dependencies
#### Macos
## Installing Dependencies for Development / Compiling from Source
<details>
<summary>MacOS</summary>
```sh
brew install libadwaita
brew install libadwaita pkg-config
```
</details>
<details>
<summary>Ubuntu and derivatives</summary>
#### Ubuntu and derivatives
```sh
sudo apt install libadwaita-1-dev libgtk-4-dev libx11-dev libxtst-dev
```
</details>
<details>
<summary>Arch and derivatives</summary>
#### Arch and derivatives
```sh
sudo pacman -S libadwaita gtk libx11 libxtst
```
</details>
<details>
<summary>Fedora and derivatives</summary>
#### Fedora and derivatives
```sh
sudo dnf install libadwaita-devel libXtst-devel libX11-devel
```
</details>
<details>
<summary>Nix</summary>
#### Windows
> [!NOTE]
> This is only necessary when building lan-mouse from source. The windows release comes with precompiled gtk dlls.
```sh
nix-shell .
```
</details>
<details>
<summary>Nix (flake)</summary>
Follow the instructions at [gtk-rs.org](https://gtk-rs.org/gtk4-rs/stable/latest/book/installation_windows.html)
```sh
nix develop
```
</details>
<details>
<summary>Windows</summary>
- First install [Rust](https://www.rust-lang.org/tools/install).
- Then follow the instructions at [gtk-rs.org](https://gtk-rs.org/gtk4-rs/stable/latest/book/installation_windows.html)
*TLDR:*
Build gtk from source
- The following commands should be run in an admin power shell instance:
- The following commands should be run in an **admin power shell** instance:
```sh
# install chocolatey
Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
# install python 3.11 (Version is important, as 3.12 does not work currently) -> Has been fixed recently
choco install python --version=3.11.0
# install git
choco install git
# install msys2
choco install msys2
# install Visual Studio 2022
choco install visualstudio2022-workload-vctools
# install gvsbuild dependencies
choco install python git msys2 visualstudio2022-workload-vctools
```
- The following commands should be run in a regular power shell instance:
- The following commands should be run in a **regular power shell** instance:
```sh
# install gvsbuild with python
@@ -200,46 +236,60 @@ python -m pipx ensurepath
pipx install gvsbuild
# build gtk + libadwaita
gvsbuild build gtk4 libadwaita librsvg
gvsbuild build gtk4 libadwaita librsvg adwaita-icon-theme
```
Make sure to add the directory `C:\gtk-build\gtk\x64\release\bin`
[to the `PATH` environment variable]((https://learn.microsoft.com/en-us/previous-versions/office/developer/sharepoint-2010/ee537574(v=office.14))). Otherwise the project will fail to build.
- **Make sure to add the directory** `C:\gtk-build\gtk\x64\release\bin`
[**to the `PATH` environment variable**]((https://learn.microsoft.com/en-us/previous-versions/office/developer/sharepoint-2010/ee537574(v=office.14))). Otherwise the project will fail to build.
To avoid building GTK from source, it is possible to disable
the gtk frontend (see conditional compilation below).
the gtk frontend (see conditional compilation).
</details>
## Usage
### Gtk Frontend
<details>
<summary>Gtk Frontend</summary>
By default the gtk frontend will open when running `lan-mouse`.
To add a new connection, simply click the `Add` button on *both* devices,
enter the corresponding hostname and activate it.
To connect a device you want to control, simply click the `Add` button and enter the hostname
of the device.
If the mouse can not be moved onto a device, make sure you have port `4242` (or the one selected)
opened up in your firewall.
On the *remote* device, authorize your *local* device for incoming traffic using the `Authorize` button
under the "Incoming Connections" section.
The fingerprint for authorization can be found under the general section of your *local* device.
It is of the form "aa:bb:cc:..."
### Command Line Interface
The cli interface can be enabled using `--frontend cli` as commandline arguments.
Type `help` to list the available commands.
Authorized devices can be persisted using the configuration file (see [Configuration](#configuration)).
E.g.:
If the device still can not be entered, make sure you have UDP port `4242` (or the one selected) opened up in your firewall.
</details>
<details>
<summary>Command Line Interface</summary>
The cli interface can be accessed by passing `cli` as a commandline argument.
Use
```sh
$ cargo run --release -- --frontend cli
(...)
> connect <host> left|right|top|bottom
(...)
> list
(...)
> activate 0
lan-mouse cli help
```
to list the available commands and
```sh
lan-mouse cli <cmd> help
```
for information on how to use a specific command.
### Daemon
Lan Mouse can be launched in daemon mode to keep it running in the background.
To do so, add `--daemon` to the commandline args:
</details>
<details>
<summary>Daemon Mode</summary>
Lan Mouse can be launched in daemon mode to keep it running in the background (e.g. for use in a systemd-service).
To do so, use the `daemon` subcommand:
```sh
$ cargo run --release -- --daemon
lan-mouse daemon
```
In order to start lan-mouse with a graphical session automatically,
@@ -252,6 +302,7 @@ cp service/lan-mouse.service ~/.config/systemd/user
systemctl --user daemon-reload
systemctl --user enable --now lan-mouse.service
```
</details>
## Configuration
To automatically load clients on startup, the file `$XDG_CONFIG_HOME/lan-mouse/config.toml` is parsed.
@@ -262,7 +313,7 @@ To create this file you can copy the following example config:
### Example config
> [!TIP]
> key symbols in the release bind are named according
> to their names in [src/scancode.rs#L172](src/scancode.rs#L172).
> to their names in [input-event/src/scancode.rs#L172](input-event/src/scancode.rs#L176).
> This is bound to change
```toml
@@ -273,12 +324,16 @@ release_bind = [ "KeyA", "KeyS", "KeyD", "KeyF" ]
# optional port (defaults to 4242)
port = 4242
# # optional frontend -> defaults to gtk if available
# # possible values are "cli" and "gtk"
# frontend = "gtk"
# list of authorized tls certificate fingerprints that
# are accepted for incoming traffic
[authorized_fingerprints]
"bc:05:ab:7a:a4:de:88:8c:2f:92:ac:bc:b8:49:b8:24:0d:44:b3:e6:a4:ef:d7:0b:6c:69:6d:77:53:0b:14:80" = "iridium"
# define a client on the right side with host name "iridium"
[right]
[[clients]]
# position (left | right | top | bottom)
position = "right"
# hostname
hostname = "iridium"
# activate this client immediately when lan-mouse is started
@@ -287,7 +342,8 @@ activate_on_startup = true
ips = ["192.168.178.156"]
# define a client on the left side with IP address 192.168.178.189
[left]
[[clients]]
position = "left"
# The hostname is optional: When no hostname is specified,
# at least one ip address needs to be specified.
hostname = "thorium"
@@ -307,109 +363,57 @@ Where `left` can be either `left`, `right`, `top` or `bottom`.
- [x] Liveness tracking: Automatically release keys, when server offline
- [x] MacOS KeyCode Translation
- [x] Libei Input Capture
- [x] MacOS Input Capture
- [x] Windows Input Capture
- [x] Encryption
- [ ] X11 Input Capture
- [ ] Windows Input Capture
- [ ] MacOS Input Capture
- [ ] Latency measurement and visualization
- [ ] Bandwidth usage measurement and visualization
- [ ] Clipboard support
- [ ] *Encryption*
## Protocol
Currently *all* mouse and keyboard events are sent via **UDP** for performance reasons.
Each event is sent as one single datagram, currently without any acknowledgement to guarantee 0% packet loss.
This means, any packet that is lost results in a discarded mouse / key event, which is ignored for now.
**UDP** also has the additional benefit that no reconnection logic is required.
Any client can just go offline and it will simply start working again as soon as it comes back online.
Additionally a tcp server is hosted for data that needs to be sent reliably (e.g. the keymap from the server or clipboard contents in the future) can be requested via a tcp connection.
## Bandwidth considerations
The most bandwidth is taken up by mouse events. A typical office mouse has a polling rate of 125Hz
while gaming mice typically have a much higher polling rate of 1000Hz.
A mouse Event consists of 21 Bytes:
- 1 Byte for the event type enum,
- 4 Bytes (u32) for the timestamp,
- 8 Bytes (f64) for dx,
- 8 Bytes (f64) for dy.
Additionally the IP header with 20 Bytes and the udp header with 8 Bytes take up another 28 Byte.
So in total there is 49 * 1000 Bytes/s for a 1000Hz gaming mouse.
This makes for a bandwidth requirement of 392 kbit/s in total _even_ for a high end gaming mouse.
So bandwidth is a non-issue.
Larger data chunks, like the keymap are offered by the server via tcp listening on the same port.
This way we dont need to implement any congestion control and leave this up to tcp.
In the future this can be used for e.g. clipboard contents as well.
## Packets per Second
While on LAN the performance is great,
some WIFI cards seem to struggle with the amount of packets per second,
particularly on high-end gaming mice with 1000Hz+ polling rates.
The plan is to implement a way of accumulating packets and sending them as
one single key event to reduce the packet rate (basically reducing the polling
rate artificially).
The way movement data is currently sent is also quite wasteful since even a 16bit integer
is likely enough to represent even the fastest possible mouse movement.
A different encoding that is more efficient for smaller values like
[Protocol Buffers](https://protobuf.dev/programming-guides/encoding/)
would be a better choice for the future and could also help for WIFI connections.
## Security
Sending key and mouse event data over the local network might not be the biggest security concern but in any public network or business environment it's *QUITE* a problem to basically broadcast your keystrokes.
- There should be an encryption layer below the application to enable a secure link.
- The encryption keys could be generated by the graphical frontend.
## Wayland support
### Input Emulation (for receiving events)
On wayland input-emulation is in an early/unstable state as of writing this.
## Detailed OS Support
For this reason a suitable backend is chosen based on the active desktop environment / compositor.
In order to use a device for sending events, an **input-capture** backend is required, while receiving events requires
a supported **input-emulation** *and* **input-capture** backend.
Different compositors have different ways of enabling input emulation:
A suitable backend is chosen automatically based on the active desktop environment / compositor.
#### Wlroots
Most wlroots-based compositors like Hyprland and Sway support the following
unstable wayland protocols for keyboard and mouse emulation:
- [virtual-keyboard-unstable-v1](https://wayland.app/protocols/virtual-keyboard-unstable-v1)
- [wlr-virtual-pointer-unstable-v1](https://wayland.app/protocols/wlr-virtual-pointer-unstable-v1)
The following sections detail the emulation and capture backends provided by lan-mouse and their support in desktop environments / operating systems.
#### KDE
KDE also has a protocol for input emulation ([kde-fake-input](https://wayland.app/protocols/kde-fake-input)),
it is however not exposed to third party applications.
### Input Emulation Support
The recommended way to emulate input on KDE is the
[freedesktop remote-desktop-portal](https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.RemoteDesktop).
| Desktop / Backend | wlroots | libei | remote-desktop portal | windows | macos | x11 |
|---------------------------|--------------------------|--------------------------|--------------------------|--------------------------|----------------------------------------|--------------------|
| Wayland (wlroots) | :heavy_check_mark: | | | | | |
| Wayland (KDE) | | :heavy_check_mark: | :heavy_check_mark: | | | |
| Wayland (Gnome) | | :heavy_check_mark: | :heavy_check_mark: | | | |
| Windows | | | | :heavy_check_mark: | | |
| MacOS | | | | | :heavy_check_mark: | |
| X11 | | | | | | :heavy_check_mark: |
#### Gnome
Gnome uses [libei](https://gitlab.freedesktop.org/libinput/libei) for input emulation and capture,
which has the goal to become the general approach for emulating and capturing Input on Wayland.
- `wlroots`: This backend makes use of the [wlr-virtual-pointer-unstable-v1](https://wayland.app/protocols/wlr-virtual-pointer-unstable-v1) and [virtual-keyboard-unstable-v1](https://wayland.app/protocols/virtual-keyboard-unstable-v1) protocols and is supported by most wlroots based compositors.
- `libei`: This backend uses [libei](https://gitlab.freedesktop.org/libinput/libei) and is supported by GNOME >= 45 or KDE Plasma >= 6.1.
- `xdp`: This backend uses the [freedesktop remote-desktop-portal](https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.RemoteDesktop) and is supported on GNOME and Plasma.
- `x11`: Backend for X11 sessions.
- `windows`: Backend for Windows.
- `macos`: Backend for MacOS.
### Input capture
To capture mouse and keyboard input, a few things are necessary:
- Displaying an immovable surface at screen edges
- Locking the mouse in place
- (optionally but highly recommended) reading unaccelerated mouse input
| Required Protocols (Event Emitting) | Sway | Kwin | Gnome |
|----------------------------------------|--------------------|----------------------|----------------------|
| pointer-constraints-unstable-v1 | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| relative-pointer-unstable-v1 | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| keyboard-shortcuts-inhibit-unstable-v1 | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
| wlr-layer-shell-unstable-v1 | :heavy_check_mark: | :heavy_check_mark: | :x: |
### Input Capture Support
The [zwlr\_virtual\_pointer\_manager\_v1](wlr-virtual-pointer-unstable-v1) is required
to display surfaces on screen edges and used to display the immovable window on
both wlroots based compositors and KDE.
Gnome unfortunately does not support this protocol
and [likely won't ever support it](https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/1141).
~In order for layershell surfaces to be able to lock the pointer using the pointer\_constraints protocol [this patch](https://github.com/swaywm/sway/pull/7178) needs to be applied to sway.~
(this works natively on sway versions >= 1.8)
| Desktop / Backend | layer-shell | libei | windows | macos | x11 |
|---------------------------|--------------------------|--------------------------|--------------------------|----------------------------------------|-----|
| Wayland (wlroots) | :heavy_check_mark: | | | | |
| Wayland (KDE) | :heavy_check_mark: | :heavy_check_mark: | | | |
| Wayland (Gnome) | | :heavy_check_mark: | | | |
| Windows | | | :heavy_check_mark: | | |
| MacOS | | | | :heavy_check_mark: | |
| X11 | | | | | WIP |
- `layer-shell`: This backend creates a single pixel wide window on the edges of Displays to capture the cursor using the [layer-shell protocol](https://wayland.app/protocols/wlr-layer-shell-unstable-v1).
- `libei`: This backend uses [libei](https://gitlab.freedesktop.org/libinput/libei) and is supported by GNOME >= 45 or KDE Plasma >= 6.1.
- `windows`: Backend for input capture on Windows.
- `macos`: Backend for input capture on MacOS.
- `x11`: TODO (not yet supported)

View File

@@ -1,8 +1,8 @@
use shadow_rs::ShadowBuilder;
fn main() {
// composite_templates
glib_build_tools::compile_resources(
&["resources"],
"resources/resources.gresource.xml",
"lan-mouse.gresource",
);
ShadowBuilder::builder()
.deny_const(Default::default())
.build()
.expect("shadow build");
}

View File

@@ -1,22 +1,30 @@
# example configuration
# release bind
# configure release bind
release_bind = [ "KeyA", "KeyS", "KeyD", "KeyF" ]
# optional port (defaults to 4242)
port = 4242
# optional frontend -> defaults to gtk if available
# frontend = "gtk"
# list of authorized tls certificate fingerprints that
# are accepted for incoming traffic
[authorized_fingerprints]
"bc:05:ab:7a:a4:de:88:8c:2f:92:ac:bc:b8:49:b8:24:0d:44:b3:e6:a4:ef:d7:0b:6c:69:6d:77:53:0b:14:80" = "iridium"
# define a client on the right side with host name "iridium"
[right]
[[clients]]
# position (left | right | top | bottom)
position = "right"
# hostname
hostname = "iridium"
# activate this client immediately when lan-mouse is started
activate_on_startup = true
# optional list of (known) ip addresses
ips = ["192.168.178.156"]
# define a client on the left side with IP address 192.168.178.189
[left]
[[clients]]
position = "left"
# The hostname is optional: When no hostname is specified,
# at least one ip address needs to be specified.
hostname = "thorium"

3
default.nix Normal file
View File

@@ -0,0 +1,3 @@
{ pkgs ? import <nixpkgs> { }
}:
pkgs.callPackage nix/default.nix { }

46
flake.lock generated
View File

@@ -1,30 +1,12 @@
{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1705309234,
"narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1710806803,
"narHash": "sha256-qrxvLS888pNJFwJdK+hf1wpRCSQcqA6W5+Ox202NDa0=",
"lastModified": 1740560979,
"narHash": "sha256-Vr3Qi346M+8CjedtbyUevIGDZW8LcA1fTG0ugPY/Hic=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "b06025f1533a1e07b6db3e75151caa155d1c7eb3",
"rev": "5135c59491985879812717f4c9fea69604e7f26f",
"type": "github"
},
"original": {
@@ -42,17 +24,16 @@
},
"rust-overlay": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1710987136,
"narHash": "sha256-Q8GRdlAIKZ8tJUXrbcRO1pA33AdoPfTUirsSnmGQnOU=",
"lastModified": 1740623427,
"narHash": "sha256-3SdPQrZoa4odlScFDUHd4CUPQ/R1gtH4Mq9u8CBiK8M=",
"owner": "oxalica",
"repo": "rust-overlay",
"rev": "97596b54ac34ad8184ca1eef44b1ec2e5c2b5f9e",
"rev": "d342e8b5fd88421ff982f383c853f0fc78a847ab",
"type": "github"
},
"original": {
@@ -60,21 +41,6 @@
"repo": "rust-overlay",
"type": "github"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",

View File

@@ -15,6 +15,9 @@
}: let
inherit (nixpkgs) lib;
genSystems = lib.genAttrs [
"aarch64-darwin"
"aarch64-linux"
"x86_64-darwin"
"x86_64-linux"
];
pkgsFor = system:
@@ -48,8 +51,13 @@
xorg.libX11
gtk4
libadwaita
librsvg
xorg.libXtst
];
] ++ lib.optionals stdenv.isDarwin
(with darwin.apple_sdk_11_0.frameworks; [
CoreGraphics
ApplicationServices
]);
RUST_SRC_PATH = "${rust}/lib/rustlib/src/rust/library";
};

75
input-capture/Cargo.toml Normal file
View File

@@ -0,0 +1,75 @@
[package]
name = "input-capture"
description = "cross-platform input-capture library used by lan-mouse"
version = "0.3.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
futures = "0.3.28"
futures-core = "0.3.30"
log = "0.4.22"
input-event = { path = "../input-event", version = "0.3.0" }
memmap = "0.7"
tempfile = "3.8"
thiserror = "2.0.0"
tokio = { version = "1.32.0", features = [
"io-util",
"io-std",
"macros",
"net",
"process",
"rt",
"sync",
"signal",
] }
once_cell = "1.19.0"
async-trait = "0.1.81"
tokio-util = "0.7.11"
[target.'cfg(all(unix, not(target_os="macos")))'.dependencies]
wayland-client = { version = "0.31.1", optional = true }
wayland-protocols = { version = "0.32.1", features = [
"client",
"staging",
"unstable",
], optional = true }
wayland-protocols-wlr = { version = "0.3.1", features = [
"client",
], optional = true }
x11 = { version = "2.21.0", features = ["xlib", "xtest"], optional = true }
ashpd = { version = "0.10", default-features = false, features = [
"tokio",
], optional = true }
reis = { version = "0.4", features = ["tokio"], optional = true }
[target.'cfg(target_os="macos")'.dependencies]
core-graphics = { version = "0.24.0", features = ["highsierra"] }
core-foundation = "0.10.0"
core-foundation-sys = "0.8.6"
libc = "0.2.155"
keycode = "0.4.0"
bitflags = "2.6.0"
[target.'cfg(windows)'.dependencies]
windows = { version = "0.58.0", features = [
"Win32_System_LibraryLoader",
"Win32_System_Threading",
"Win32_Foundation",
"Win32_Graphics",
"Win32_Graphics_Gdi",
"Win32_UI_Input_KeyboardAndMouse",
"Win32_UI_WindowsAndMessaging",
] }
[features]
default = ["layer_shell", "x11", "libei"]
layer_shell = [
"dep:wayland-client",
"dep:wayland-protocols",
"dep:wayland-protocols-wlr",
]
x11 = ["dep:x11"]
libei = ["dep:reis", "dep:ashpd"]

View File

@@ -0,0 +1,86 @@
use std::f64::consts::PI;
use std::pin::Pin;
use std::task::{ready, Context, Poll};
use std::time::Duration;
use async_trait::async_trait;
use futures_core::Stream;
use input_event::PointerEvent;
use tokio::time::{self, Instant, Interval};
use super::{Capture, CaptureError, CaptureEvent, Position};
pub struct DummyInputCapture {
start: Option<Instant>,
interval: Interval,
offset: (i32, i32),
}
impl DummyInputCapture {
pub fn new() -> Self {
Self {
start: None,
interval: time::interval(Duration::from_millis(1)),
offset: (0, 0),
}
}
}
impl Default for DummyInputCapture {
fn default() -> Self {
Self::new()
}
}
#[async_trait]
impl Capture for DummyInputCapture {
async fn create(&mut self, _pos: Position) -> Result<(), CaptureError> {
Ok(())
}
async fn destroy(&mut self, _pos: Position) -> Result<(), CaptureError> {
Ok(())
}
async fn release(&mut self) -> Result<(), CaptureError> {
Ok(())
}
async fn terminate(&mut self) -> Result<(), CaptureError> {
Ok(())
}
}
const FREQUENCY_HZ: f64 = 1.0;
const RADIUS: f64 = 100.0;
impl Stream for DummyInputCapture {
type Item = Result<(Position, CaptureEvent), CaptureError>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
let current = ready!(self.interval.poll_tick(cx));
let event = match self.start {
None => {
self.start.replace(current);
CaptureEvent::Begin
}
Some(start) => {
let elapsed = start.elapsed();
let elapsed_sec_f64 = elapsed.as_secs_f64();
let second_fraction = elapsed_sec_f64 - elapsed_sec_f64 as u64 as f64;
let radians = second_fraction * 2. * PI * FREQUENCY_HZ;
let offset = (radians.cos() * RADIUS * 2., (radians * 2.).sin() * RADIUS);
let offset = (offset.0 as i32, offset.1 as i32);
let relative_motion = (offset.0 - self.offset.0, offset.1 - self.offset.1);
self.offset = offset;
let (dx, dy) = (relative_motion.0 as f64, relative_motion.1 as f64);
CaptureEvent::Input(input_event::Event::Pointer(PointerEvent::Motion {
time: 0,
dx,
dy,
}))
}
};
Poll::Ready(Some(Ok((Position::Left, event))))
}
}

157
input-capture/src/error.rs Normal file
View File

@@ -0,0 +1,157 @@
use thiserror::Error;
#[derive(Debug, Error)]
pub enum InputCaptureError {
#[error("error creating input-capture: `{0}`")]
Create(#[from] CaptureCreationError),
#[error("error while capturing input: `{0}`")]
Capture(#[from] CaptureError),
}
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
use std::io;
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
use wayland_client::{
backend::WaylandError,
globals::{BindError, GlobalError},
ConnectError, DispatchError,
};
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
use ashpd::desktop::ResponseError;
#[cfg(target_os = "macos")]
use core_graphics::base::CGError;
#[derive(Debug, Error)]
pub enum CaptureError {
#[error("activation stream closed unexpectedly")]
ActivationClosed,
#[error("libei stream was closed")]
EndOfStream,
#[error("io error: `{0}`")]
Io(#[from] std::io::Error),
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[error("libei error: `{0}`")]
Reis(#[from] reis::Error),
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[error(transparent)]
Portal(#[from] ashpd::Error),
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[error("libei disconnected - reason: `{0}`")]
Disconnected(String),
#[cfg(target_os = "macos")]
#[error("failed to warp mouse cursor: `{0}`")]
WarpCursor(CGError),
#[cfg(target_os = "macos")]
#[error("reset_mouse_position called without a connected client")]
ResetMouseWithoutClient,
#[cfg(target_os = "macos")]
#[error("core-graphics error: {0}")]
CoreGraphics(CGError),
#[cfg(target_os = "macos")]
#[error("unable to map key event: {0}")]
KeyMapError(i64),
#[cfg(target_os = "macos")]
#[error("Event tap disabled")]
EventTapDisabled,
}
#[derive(Debug, Error)]
pub enum CaptureCreationError {
#[error("no backend available")]
NoAvailableBackend,
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[error("error creating input-capture-portal backend: `{0}`")]
Libei(#[from] LibeiCaptureCreationError),
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
#[error("error creating layer-shell capture backend: `{0}`")]
LayerShell(#[from] LayerShellCaptureCreationError),
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
#[error("error creating x11 capture backend: `{0}`")]
X11(#[from] X11InputCaptureCreationError),
#[cfg(windows)]
#[error("error creating windows capture backend")]
Windows,
#[cfg(target_os = "macos")]
#[error("error creating macos capture backend: `{0}`")]
MacOS(#[from] MacosCaptureCreationError),
}
impl CaptureCreationError {
/// request was intentionally denied by the user
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
pub(crate) fn cancelled_by_user(&self) -> bool {
matches!(
self,
CaptureCreationError::Libei(LibeiCaptureCreationError::Ashpd(ashpd::Error::Response(
ResponseError::Cancelled
)))
)
}
#[cfg(not(all(unix, feature = "libei", not(target_os = "macos"))))]
pub(crate) fn cancelled_by_user(&self) -> bool {
false
}
}
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum LibeiCaptureCreationError {
#[error("xdg-desktop-portal: `{0}`")]
Ashpd(#[from] ashpd::Error),
}
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
#[derive(Debug, Error)]
#[error("{protocol} protocol not supported: {inner}")]
pub struct WaylandBindError {
inner: BindError,
protocol: &'static str,
}
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
impl WaylandBindError {
pub(crate) fn new(inner: BindError, protocol: &'static str) -> Self {
Self { inner, protocol }
}
}
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum LayerShellCaptureCreationError {
#[error(transparent)]
Connect(#[from] ConnectError),
#[error(transparent)]
Global(#[from] GlobalError),
#[error(transparent)]
Wayland(#[from] WaylandError),
#[error(transparent)]
Bind(#[from] WaylandBindError),
#[error(transparent)]
Dispatch(#[from] DispatchError),
#[error(transparent)]
Io(#[from] io::Error),
}
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum X11InputCaptureCreationError {
#[error("X11 input capture is not yet implemented :(")]
NotImplemented,
}
#[cfg(target_os = "macos")]
#[derive(Debug, Error)]
pub enum MacosCaptureCreationError {
#[error("event source creation failed!")]
EventSourceCreation,
#[cfg(target_os = "macos")]
#[error("event tap creation failed")]
EventTapCreation,
#[error("failed to set CG Cursor property")]
CGCursorProperty,
#[cfg(target_os = "macos")]
#[error("failed to get display ids: {0}")]
ActiveDisplays(CGError),
}

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338
input-capture/src/lib.rs Normal file
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use std::{
collections::{HashMap, HashSet, VecDeque},
fmt::Display,
mem::swap,
task::{ready, Poll},
};
use async_trait::async_trait;
use futures::StreamExt;
use futures_core::Stream;
use input_event::{scancode, Event, KeyboardEvent};
pub use error::{CaptureCreationError, CaptureError, InputCaptureError};
pub mod error;
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
mod libei;
#[cfg(target_os = "macos")]
mod macos;
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
mod layer_shell;
#[cfg(windows)]
mod windows;
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
mod x11;
/// fallback input capture (does not produce events)
mod dummy;
pub type CaptureHandle = u64;
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum CaptureEvent {
/// capture on this capture handle is now active
Begin,
/// input event coming from capture handle
Input(Event),
}
impl Display for CaptureEvent {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
CaptureEvent::Begin => write!(f, "begin capture"),
CaptureEvent::Input(e) => write!(f, "{e}"),
}
}
}
#[derive(Debug, Clone, Copy, Eq, Hash, PartialEq)]
pub enum Position {
Left,
Right,
Top,
Bottom,
}
impl Position {
pub fn opposite(&self) -> Self {
match self {
Position::Left => Self::Right,
Position::Right => Self::Left,
Position::Top => Self::Bottom,
Position::Bottom => Self::Top,
}
}
}
impl Display for Position {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let pos = match self {
Position::Left => "left",
Position::Right => "right",
Position::Top => "top",
Position::Bottom => "bottom",
};
write!(f, "{}", pos)
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Backend {
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
InputCapturePortal,
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
LayerShell,
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
X11,
#[cfg(windows)]
Windows,
#[cfg(target_os = "macos")]
MacOs,
Dummy,
}
impl Display for Backend {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Backend::InputCapturePortal => write!(f, "input-capture-portal"),
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
Backend::LayerShell => write!(f, "layer-shell"),
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
Backend::X11 => write!(f, "X11"),
#[cfg(windows)]
Backend::Windows => write!(f, "windows"),
#[cfg(target_os = "macos")]
Backend::MacOs => write!(f, "MacOS"),
Backend::Dummy => write!(f, "dummy"),
}
}
}
pub struct InputCapture {
/// capture backend
capture: Box<dyn Capture>,
/// keys pressed by active capture
pressed_keys: HashSet<scancode::Linux>,
/// map from position to ids
position_map: HashMap<Position, Vec<CaptureHandle>>,
/// map from id to position
id_map: HashMap<CaptureHandle, Position>,
/// pending events
pending: VecDeque<(CaptureHandle, CaptureEvent)>,
}
impl InputCapture {
/// create a new client with the given id
pub async fn create(&mut self, id: CaptureHandle, pos: Position) -> Result<(), CaptureError> {
assert!(!self.id_map.contains_key(&id));
self.id_map.insert(id, pos);
if let Some(v) = self.position_map.get_mut(&pos) {
v.push(id);
Ok(())
} else {
self.position_map.insert(pos, vec![id]);
self.capture.create(pos).await
}
}
/// destroy the client with the given id, if it exists
pub async fn destroy(&mut self, id: CaptureHandle) -> Result<(), CaptureError> {
let pos = self
.id_map
.remove(&id)
.expect("no position for this handle");
log::debug!("destroying capture {id} @ {pos}");
let remaining = self.position_map.get_mut(&pos).expect("id vector");
remaining.retain(|&i| i != id);
log::debug!("remaining ids @ {pos}: {remaining:?}");
if remaining.is_empty() {
log::debug!("destroying capture @ {pos} - no remaining ids");
self.position_map.remove(&pos);
self.capture.destroy(pos).await?;
}
Ok(())
}
/// release mouse
pub async fn release(&mut self) -> Result<(), CaptureError> {
self.pressed_keys.clear();
self.capture.release().await
}
/// destroy the input capture
pub async fn terminate(&mut self) -> Result<(), CaptureError> {
self.capture.terminate().await
}
/// creates a new [`InputCapture`]
pub async fn new(backend: Option<Backend>) -> Result<Self, CaptureCreationError> {
let capture = create(backend).await?;
Ok(Self {
capture,
id_map: Default::default(),
pending: Default::default(),
position_map: Default::default(),
pressed_keys: HashSet::new(),
})
}
/// check whether the given keys are pressed
pub fn keys_pressed(&self, keys: &[scancode::Linux]) -> bool {
keys.iter().all(|k| self.pressed_keys.contains(k))
}
fn update_pressed_keys(&mut self, key: u32, state: u8) {
if let Ok(scancode) = scancode::Linux::try_from(key) {
log::debug!("key: {key}, state: {state}, scancode: {scancode:?}");
match state {
1 => self.pressed_keys.insert(scancode),
_ => self.pressed_keys.remove(&scancode),
};
}
}
}
impl Stream for InputCapture {
type Item = Result<(CaptureHandle, CaptureEvent), CaptureError>;
fn poll_next(
mut self: std::pin::Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> Poll<Option<Self::Item>> {
if let Some(e) = self.pending.pop_front() {
return Poll::Ready(Some(Ok(e)));
}
// ready
let event = ready!(self.capture.poll_next_unpin(cx));
// stream closed
let event = match event {
Some(e) => e,
None => return Poll::Ready(None),
};
// error occurred
let (pos, event) = match event {
Ok(e) => e,
Err(e) => return Poll::Ready(Some(Err(e))),
};
// handle key presses
if let CaptureEvent::Input(Event::Keyboard(KeyboardEvent::Key { key, state, .. })) = event {
self.update_pressed_keys(key, state);
}
let len = self
.position_map
.get(&pos)
.map(|ids| ids.len())
.unwrap_or(0);
match len {
0 => Poll::Pending,
1 => Poll::Ready(Some(Ok((
self.position_map.get(&pos).expect("no id")[0],
event,
)))),
_ => {
let mut position_map = HashMap::new();
swap(&mut self.position_map, &mut position_map);
{
for &id in position_map.get(&pos).expect("position") {
self.pending.push_back((id, event));
}
}
swap(&mut self.position_map, &mut position_map);
Poll::Ready(Some(Ok(self.pending.pop_front().expect("event"))))
}
}
}
}
#[async_trait]
trait Capture: Stream<Item = Result<(Position, CaptureEvent), CaptureError>> + Unpin {
/// create a new client with the given id
async fn create(&mut self, pos: Position) -> Result<(), CaptureError>;
/// destroy the client with the given id, if it exists
async fn destroy(&mut self, pos: Position) -> Result<(), CaptureError>;
/// release mouse
async fn release(&mut self) -> Result<(), CaptureError>;
/// destroy the input capture
async fn terminate(&mut self) -> Result<(), CaptureError>;
}
async fn create_backend(
backend: Backend,
) -> Result<
Box<dyn Capture<Item = Result<(Position, CaptureEvent), CaptureError>>>,
CaptureCreationError,
> {
match backend {
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Backend::InputCapturePortal => Ok(Box::new(libei::LibeiInputCapture::new().await?)),
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
Backend::LayerShell => Ok(Box::new(layer_shell::LayerShellInputCapture::new()?)),
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
Backend::X11 => Ok(Box::new(x11::X11InputCapture::new()?)),
#[cfg(windows)]
Backend::Windows => Ok(Box::new(windows::WindowsInputCapture::new())),
#[cfg(target_os = "macos")]
Backend::MacOs => Ok(Box::new(macos::MacOSInputCapture::new().await?)),
Backend::Dummy => Ok(Box::new(dummy::DummyInputCapture::new())),
}
}
async fn create(
backend: Option<Backend>,
) -> Result<
Box<dyn Capture<Item = Result<(Position, CaptureEvent), CaptureError>>>,
CaptureCreationError,
> {
if let Some(backend) = backend {
let b = create_backend(backend).await;
if b.is_ok() {
log::info!("using capture backend: {backend}");
}
return b;
}
for backend in [
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Backend::InputCapturePortal,
#[cfg(all(unix, feature = "layer_shell", not(target_os = "macos")))]
Backend::LayerShell,
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
Backend::X11,
#[cfg(windows)]
Backend::Windows,
#[cfg(target_os = "macos")]
Backend::MacOs,
] {
match create_backend(backend).await {
Ok(b) => {
log::info!("using capture backend: {backend}");
return Ok(b);
}
Err(e) if e.cancelled_by_user() => return Err(e),
Err(e) => log::warn!("{backend} input capture backend unavailable: {e}"),
}
}
Err(CaptureCreationError::NoAvailableBackend)
}

618
input-capture/src/libei.rs Normal file
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use ashpd::{
desktop::{
input_capture::{
Activated, ActivatedBarrier, Barrier, BarrierID, Capabilities, InputCapture, Region,
Zones,
},
Session,
},
enumflags2::BitFlags,
};
use async_trait::async_trait;
use futures::{FutureExt, StreamExt};
use reis::{
ei::{self, handshake::ContextType},
event::{Connection, DeviceCapability, EiEvent},
tokio::EiConvertEventStream,
};
use std::{
cell::Cell,
collections::HashMap,
io,
num::NonZeroU32,
os::unix::net::UnixStream,
pin::Pin,
rc::Rc,
sync::Arc,
task::{Context, Poll},
};
use tokio::{
sync::{
mpsc::{self, Receiver, Sender},
Notify,
},
task::JoinHandle,
};
use tokio_util::sync::CancellationToken;
use futures_core::Stream;
use input_event::Event;
use crate::CaptureEvent;
use super::{
error::{CaptureError, LibeiCaptureCreationError},
Capture as LanMouseInputCapture, Position,
};
/* there is a bug in xdg-remote-desktop-portal-gnome / mutter that
* prevents receiving further events after a session has been disabled once.
* Therefore the session needs to be recreated when the barriers are updated */
/// events that necessitate restarting the capture session
#[derive(Clone, Copy, Debug)]
enum LibeiNotifyEvent {
Create(Position),
Destroy(Position),
}
#[allow(dead_code)]
pub struct LibeiInputCapture<'a> {
input_capture: Pin<Box<InputCapture<'a>>>,
capture_task: JoinHandle<Result<(), CaptureError>>,
event_rx: Receiver<(Position, CaptureEvent)>,
notify_capture: Sender<LibeiNotifyEvent>,
notify_release: Arc<Notify>,
cancellation_token: CancellationToken,
terminated: bool,
}
/// returns (start pos, end pos), inclusive
fn pos_to_barrier(r: &Region, pos: Position) -> (i32, i32, i32, i32) {
let (x, y) = (r.x_offset(), r.y_offset());
let (w, h) = (r.width() as i32, r.height() as i32);
match pos {
Position::Left => (x, y, x, y + h - 1),
Position::Right => (x + w, y, x + w, y + h - 1),
Position::Top => (x, y, x + w - 1, y),
Position::Bottom => (x, y + h, x + w - 1, y + h),
}
}
/// Ashpd does not expose fields
#[derive(Clone, Copy, Debug)]
struct ICBarrier {
barrier_id: BarrierID,
position: (i32, i32, i32, i32),
}
impl ICBarrier {
fn new(barrier_id: BarrierID, position: (i32, i32, i32, i32)) -> Self {
Self {
barrier_id,
position,
}
}
}
impl From<ICBarrier> for Barrier {
fn from(barrier: ICBarrier) -> Self {
Barrier::new(barrier.barrier_id, barrier.position)
}
}
fn select_barriers(
zones: &Zones,
clients: &[Position],
next_barrier_id: &mut NonZeroU32,
) -> (Vec<ICBarrier>, HashMap<BarrierID, Position>) {
let mut pos_for_barrier = HashMap::new();
let mut barriers: Vec<ICBarrier> = vec![];
for pos in clients {
let mut client_barriers = zones
.regions()
.iter()
.map(|r| {
let id = *next_barrier_id;
*next_barrier_id = next_barrier_id
.checked_add(1)
.expect("barrier id out of range");
let position = pos_to_barrier(r, *pos);
pos_for_barrier.insert(id, *pos);
ICBarrier::new(id, position)
})
.collect();
barriers.append(&mut client_barriers);
}
(barriers, pos_for_barrier)
}
async fn update_barriers(
input_capture: &InputCapture<'_>,
session: &Session<'_, InputCapture<'_>>,
active_clients: &[Position],
next_barrier_id: &mut NonZeroU32,
) -> Result<(Vec<ICBarrier>, HashMap<BarrierID, Position>), ashpd::Error> {
let zones = input_capture.zones(session).await?.response()?;
log::debug!("zones: {zones:?}");
let (barriers, id_map) = select_barriers(&zones, active_clients, next_barrier_id);
log::debug!("barriers: {barriers:?}");
log::debug!("client for barrier id: {id_map:?}");
let ashpd_barriers: Vec<Barrier> = barriers.iter().copied().map(|b| b.into()).collect();
let response = input_capture
.set_pointer_barriers(session, &ashpd_barriers, zones.zone_set())
.await?;
let response = response.response()?;
log::debug!("{response:?}");
Ok((barriers, id_map))
}
async fn create_session<'a>(
input_capture: &'a InputCapture<'a>,
) -> std::result::Result<(Session<'a, InputCapture<'a>>, BitFlags<Capabilities>), ashpd::Error> {
log::debug!("creating input capture session");
input_capture
.create_session(
None,
Capabilities::Keyboard | Capabilities::Pointer | Capabilities::Touchscreen,
)
.await
}
async fn connect_to_eis(
input_capture: &InputCapture<'_>,
session: &Session<'_, InputCapture<'_>>,
) -> Result<(ei::Context, Connection, EiConvertEventStream), CaptureError> {
log::debug!("connect_to_eis");
let fd = input_capture.connect_to_eis(session).await?;
// create unix stream from fd
let stream = UnixStream::from(fd);
stream.set_nonblocking(true)?;
// create ei context
let context = ei::Context::new(stream)?;
let (conn, event_stream) = context
.handshake_tokio("de.feschber.LanMouse", ContextType::Receiver)
.await?;
Ok((context, conn, event_stream))
}
async fn libei_event_handler(
mut ei_event_stream: EiConvertEventStream,
context: ei::Context,
event_tx: Sender<(Position, CaptureEvent)>,
release_session: Arc<Notify>,
current_pos: Rc<Cell<Option<Position>>>,
) -> Result<(), CaptureError> {
loop {
let ei_event = ei_event_stream
.next()
.await
.ok_or(CaptureError::EndOfStream)??;
log::trace!("from ei: {ei_event:?}");
let client = current_pos.get();
handle_ei_event(ei_event, client, &context, &event_tx, &release_session).await?;
}
}
impl LibeiInputCapture<'_> {
pub async fn new() -> std::result::Result<Self, LibeiCaptureCreationError> {
let input_capture = Box::pin(InputCapture::new().await?);
let input_capture_ptr = input_capture.as_ref().get_ref() as *const InputCapture<'static>;
let first_session = Some(create_session(unsafe { &*input_capture_ptr }).await?);
let (event_tx, event_rx) = mpsc::channel(1);
let (notify_capture, notify_rx) = mpsc::channel(1);
let notify_release = Arc::new(Notify::new());
let cancellation_token = CancellationToken::new();
let capture = do_capture(
input_capture_ptr,
notify_rx,
notify_release.clone(),
first_session,
event_tx,
cancellation_token.clone(),
);
let capture_task = tokio::task::spawn_local(capture);
let producer = Self {
input_capture,
event_rx,
capture_task,
notify_capture,
notify_release,
cancellation_token,
terminated: false,
};
Ok(producer)
}
}
async fn do_capture(
input_capture: *const InputCapture<'static>,
mut capture_event: Receiver<LibeiNotifyEvent>,
notify_release: Arc<Notify>,
session: Option<(Session<'_, InputCapture<'_>>, BitFlags<Capabilities>)>,
event_tx: Sender<(Position, CaptureEvent)>,
cancellation_token: CancellationToken,
) -> Result<(), CaptureError> {
let mut session = session.map(|s| s.0);
/* safety: libei_task does not outlive Self */
let input_capture = unsafe { &*input_capture };
let mut active_clients: Vec<Position> = vec![];
let mut next_barrier_id = NonZeroU32::new(1).expect("id must be non-zero");
let mut zones_changed = input_capture.receive_zones_changed().await?;
loop {
// do capture session
let cancel_session = CancellationToken::new();
let cancel_update = CancellationToken::new();
let mut capture_event_occured: Option<LibeiNotifyEvent> = None;
let mut zones_have_changed = false;
// kill session if clients need to be updated
let handle_session_update_request = async {
tokio::select! {
_ = cancellation_token.cancelled() => {
log::debug!("cancelled")
}, /* exit requested */
_ = cancel_update.cancelled() => {
log::debug!("update task cancelled");
}, /* session exited */
_ = zones_changed.next() => {
log::debug!("zones changed!");
zones_have_changed = true
}, /* zones have changed */
e = capture_event.recv() => if let Some(e) = e { /* clients changed */
log::debug!("capture event: {e:?}");
capture_event_occured.replace(e);
},
}
// kill session (might already be dead!)
log::debug!("=> cancelling session");
cancel_session.cancel();
};
if !active_clients.is_empty() {
// create session
let mut session = match session.take() {
Some(s) => s,
None => create_session(input_capture).await?.0,
};
let capture_session = do_capture_session(
input_capture,
&mut session,
&event_tx,
&active_clients,
&mut next_barrier_id,
&notify_release,
(cancel_session.clone(), cancel_update.clone()),
);
let (capture_result, ()) = tokio::join!(capture_session, handle_session_update_request);
log::debug!("capture session + session_update task done!");
// disable capture
log::debug!("disabling input capture");
if let Err(e) = input_capture.disable(&session).await {
log::warn!("input_capture.disable(&session) {e}");
}
if let Err(e) = session.close().await {
log::warn!("session.close(): {e}");
}
// propagate error from capture session
capture_result?;
} else {
handle_session_update_request.await;
}
// update clients if requested
if let Some(event) = capture_event_occured.take() {
match event {
LibeiNotifyEvent::Create(p) => active_clients.push(p),
LibeiNotifyEvent::Destroy(p) => active_clients.retain(|&pos| pos != p),
}
}
// break
if cancellation_token.is_cancelled() {
break Ok(());
}
}
}
async fn do_capture_session(
input_capture: &InputCapture<'_>,
session: &mut Session<'_, InputCapture<'_>>,
event_tx: &Sender<(Position, CaptureEvent)>,
active_clients: &[Position],
next_barrier_id: &mut NonZeroU32,
notify_release: &Notify,
cancel: (CancellationToken, CancellationToken),
) -> Result<(), CaptureError> {
let (cancel_session, cancel_update) = cancel;
// current client
let current_pos = Rc::new(Cell::new(None));
// connect to eis server
let (context, _conn, ei_event_stream) = connect_to_eis(input_capture, session).await?;
// set barriers
let (barriers, pos_for_barrier_id) =
update_barriers(input_capture, session, active_clients, next_barrier_id).await?;
log::debug!("enabling session");
input_capture.enable(session).await?;
// cancellation token to release session
let release_session = Arc::new(Notify::new());
// async event task
let cancel_ei_handler = CancellationToken::new();
let event_chan = event_tx.clone();
let pos = current_pos.clone();
let cancel_session_clone = cancel_session.clone();
let release_session_clone = release_session.clone();
let cancel_ei_handler_clone = cancel_ei_handler.clone();
let ei_task = async move {
tokio::select! {
r = libei_event_handler(
ei_event_stream,
context,
event_chan,
release_session_clone,
pos,
) => {
log::debug!("libei exited: {r:?} cancelling session task");
cancel_session_clone.cancel();
}
_ = cancel_ei_handler_clone.cancelled() => {},
}
Ok::<(), CaptureError>(())
};
let capture_session_task = async {
// receiver for activation tokens
let mut activated = input_capture.receive_activated().await?;
let mut ei_devices_changed = false;
loop {
tokio::select! {
activated = activated.next() => {
let activated = activated.ok_or(CaptureError::ActivationClosed)?;
log::debug!("activated: {activated:?}");
// get barrier id from activation
let barrier_id = match activated.barrier_id() {
Some(ActivatedBarrier::Barrier(id)) => id,
// workaround for KDE plasma not reporting barrier ids
Some(ActivatedBarrier::UnknownBarrier) | None => find_corresponding_client(&barriers, activated.cursor_position().expect("no cursor position reported by compositor")),
};
// find client corresponding to barrier
let pos = *pos_for_barrier_id.get(&barrier_id).expect("invalid barrier id");
current_pos.replace(Some(pos));
// client entered => send event
event_tx.send((pos, CaptureEvent::Begin)).await.expect("no channel");
tokio::select! {
_ = notify_release.notified() => { /* capture release */
log::debug!("release session requested");
},
_ = release_session.notified() => { /* release session */
log::debug!("ei devices changed");
ei_devices_changed = true;
},
_ = cancel_session.cancelled() => { /* kill session notify */
log::debug!("session cancel requested");
break
},
}
release_capture(input_capture, session, activated, pos).await?;
}
_ = notify_release.notified() => { /* capture release -> we are not capturing anyway, so ignore */
log::debug!("release session requested");
},
_ = release_session.notified() => { /* release session */
log::debug!("ei devices changed");
ei_devices_changed = true;
},
_ = cancel_session.cancelled() => { /* kill session notify */
log::debug!("session cancel requested");
break
},
}
if ei_devices_changed {
/* for whatever reason, GNOME seems to kill the session
* as soon as devices are added or removed, so we need
* to cancel */
break;
}
}
// cancel libei task
log::debug!("session exited: killing libei task");
cancel_ei_handler.cancel();
Ok::<(), CaptureError>(())
};
let (a, b) = tokio::join!(ei_task, capture_session_task);
cancel_update.cancel();
log::debug!("both session and ei task finished!");
a?;
b?;
Ok(())
}
async fn release_capture<'a>(
input_capture: &InputCapture<'a>,
session: &Session<'a, InputCapture<'a>>,
activated: Activated,
current_pos: Position,
) -> Result<(), CaptureError> {
if let Some(activation_id) = activated.activation_id() {
log::debug!("releasing input capture {activation_id}");
}
let (x, y) = activated
.cursor_position()
.expect("compositor did not report cursor position!");
log::debug!("client entered @ ({x}, {y})");
let (dx, dy) = match current_pos {
// offset cursor position to not enter again immediately
Position::Left => (1., 0.),
Position::Right => (-1., 0.),
Position::Top => (0., 1.),
Position::Bottom => (0., -1.),
};
// release 1px to the right of the entered zone
let cursor_position = (x as f64 + dx, y as f64 + dy);
input_capture
.release(session, activated.activation_id(), Some(cursor_position))
.await?;
Ok(())
}
fn find_corresponding_client(barriers: &[ICBarrier], pos: (f32, f32)) -> BarrierID {
barriers
.iter()
.copied()
.min_by_key(|b| {
let (x1, y1, x2, y2) = b.position;
let (x1, y1, x2, y2) = (x1 as f32, y1 as f32, x2 as f32, y2 as f32);
distance_to_line(((x1, y1), (x2, y2)), pos) as i32
})
.expect("could not find barrier corresponding to client")
.barrier_id
}
fn distance_to_line(line: ((f32, f32), (f32, f32)), p: (f32, f32)) -> f32 {
let ((x1, y1), (x2, y2)) = line;
let (x0, y0) = p;
/*
* we use the fact that for the triangle spanned by the line and p,
* the height of the triangle is the desired distance and can be calculated by
* h = 2A / b with b being the line_length and
*/
let double_triangle_area = ((y2 - y1) * x0 - (x2 - x1) * y0 + x2 * y1 - y2 * x1).abs();
let line_length = ((y2 - y1).powf(2.0) + (x2 - x1).powf(2.0)).sqrt();
let distance = double_triangle_area / line_length;
log::debug!("distance to line({line:?}, {p:?}) = {distance}");
distance
}
static ALL_CAPABILITIES: &[DeviceCapability] = &[
DeviceCapability::Pointer,
DeviceCapability::PointerAbsolute,
DeviceCapability::Keyboard,
DeviceCapability::Touch,
DeviceCapability::Scroll,
DeviceCapability::Button,
];
async fn handle_ei_event(
ei_event: EiEvent,
current_client: Option<Position>,
context: &ei::Context,
event_tx: &Sender<(Position, CaptureEvent)>,
release_session: &Notify,
) -> Result<(), CaptureError> {
match ei_event {
EiEvent::SeatAdded(s) => {
s.seat.bind_capabilities(ALL_CAPABILITIES);
context.flush().map_err(|e| io::Error::new(e.kind(), e))?;
}
EiEvent::SeatRemoved(_) | /* EiEvent::DeviceAdded(_) | */ EiEvent::DeviceRemoved(_) => {
log::debug!("releasing session: {ei_event:?}");
release_session.notify_waiters();
}
EiEvent::DevicePaused(_) | EiEvent::DeviceResumed(_) => {}
EiEvent::DeviceStartEmulating(_) => log::debug!("START EMULATING"),
EiEvent::DeviceStopEmulating(_) => log::debug!("STOP EMULATING"),
EiEvent::Disconnected(d) => {
return Err(CaptureError::Disconnected(format!("{:?}", d.reason)))
}
_ => {
if let Some(pos) = current_client {
for event in Event::from_ei_event(ei_event) {
event_tx.send((pos, CaptureEvent::Input(event))).await.expect("no channel");
}
}
}
}
Ok(())
}
#[async_trait]
impl LanMouseInputCapture for LibeiInputCapture<'_> {
async fn create(&mut self, pos: Position) -> Result<(), CaptureError> {
let _ = self
.notify_capture
.send(LibeiNotifyEvent::Create(pos))
.await;
Ok(())
}
async fn destroy(&mut self, pos: Position) -> Result<(), CaptureError> {
let _ = self
.notify_capture
.send(LibeiNotifyEvent::Destroy(pos))
.await;
Ok(())
}
async fn release(&mut self) -> Result<(), CaptureError> {
self.notify_release.notify_waiters();
Ok(())
}
async fn terminate(&mut self) -> Result<(), CaptureError> {
self.cancellation_token.cancel();
let task = &mut self.capture_task;
log::debug!("waiting for capture to terminate...");
let res = task.await.expect("libei task panic");
log::debug!("done!");
self.terminated = true;
res
}
}
impl Drop for LibeiInputCapture<'_> {
fn drop(&mut self) {
if !self.terminated {
/* this workaround is needed until async drop is stabilized */
panic!("LibeiInputCapture dropped without being terminated!");
}
}
}
impl Stream for LibeiInputCapture<'_> {
type Item = Result<(Position, CaptureEvent), CaptureError>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
match self.capture_task.poll_unpin(cx) {
Poll::Ready(r) => match r.expect("failed to join") {
Ok(()) => Poll::Ready(None),
Err(e) => Poll::Ready(Some(Err(e))),
},
Poll::Pending => self.event_rx.poll_recv(cx).map(|e| e.map(Result::Ok)),
}
}
}

618
input-capture/src/macos.rs Normal file
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@@ -0,0 +1,618 @@
use super::{error::MacosCaptureCreationError, Capture, CaptureError, CaptureEvent, Position};
use async_trait::async_trait;
use bitflags::bitflags;
use core_foundation::base::{kCFAllocatorDefault, CFRelease};
use core_foundation::date::CFTimeInterval;
use core_foundation::number::{kCFBooleanTrue, CFBooleanRef};
use core_foundation::runloop::{kCFRunLoopCommonModes, CFRunLoop, CFRunLoopSource};
use core_foundation::string::{kCFStringEncodingUTF8, CFStringCreateWithCString, CFStringRef};
use core_graphics::base::{kCGErrorSuccess, CGError};
use core_graphics::display::{CGDisplay, CGPoint};
use core_graphics::event::{
CGEvent, CGEventFlags, CGEventTap, CGEventTapLocation, CGEventTapOptions, CGEventTapPlacement,
CGEventTapProxy, CGEventType, EventField,
};
use core_graphics::event_source::{CGEventSource, CGEventSourceStateID};
use futures_core::Stream;
use input_event::{Event, KeyboardEvent, PointerEvent, BTN_LEFT, BTN_MIDDLE, BTN_RIGHT};
use keycode::{KeyMap, KeyMapping};
use libc::c_void;
use once_cell::unsync::Lazy;
use std::collections::HashSet;
use std::ffi::{c_char, CString};
use std::pin::Pin;
use std::sync::Arc;
use std::task::{ready, Context, Poll};
use std::thread::{self};
use tokio::sync::mpsc::{self, Receiver, Sender};
use tokio::sync::{oneshot, Mutex};
#[derive(Debug, Default)]
struct Bounds {
xmin: f64,
xmax: f64,
ymin: f64,
ymax: f64,
}
#[derive(Debug)]
struct InputCaptureState {
active_clients: Lazy<HashSet<Position>>,
current_pos: Option<Position>,
bounds: Bounds,
}
#[derive(Debug)]
enum ProducerEvent {
Release,
Create(Position),
Destroy(Position),
Grab(Position),
EventTapDisabled,
}
impl InputCaptureState {
fn new() -> Result<Self, MacosCaptureCreationError> {
let mut res = Self {
active_clients: Lazy::new(HashSet::new),
current_pos: None,
bounds: Bounds::default(),
};
res.update_bounds()?;
Ok(res)
}
fn crossed(&mut self, event: &CGEvent) -> Option<Position> {
let location = event.location();
let relative_x = event.get_double_value_field(EventField::MOUSE_EVENT_DELTA_X);
let relative_y = event.get_double_value_field(EventField::MOUSE_EVENT_DELTA_Y);
for &position in self.active_clients.iter() {
if (position == Position::Left && (location.x + relative_x) <= self.bounds.xmin)
|| (position == Position::Right && (location.x + relative_x) >= self.bounds.xmax)
|| (position == Position::Top && (location.y + relative_y) <= self.bounds.ymin)
|| (position == Position::Bottom && (location.y + relative_y) >= self.bounds.ymax)
{
log::debug!("Crossed barrier into position: {position:?}");
return Some(position);
}
}
None
}
// Get the max bounds of all displays
fn update_bounds(&mut self) -> Result<(), MacosCaptureCreationError> {
let active_ids =
CGDisplay::active_displays().map_err(MacosCaptureCreationError::ActiveDisplays)?;
active_ids.iter().for_each(|d| {
let bounds = CGDisplay::new(*d).bounds();
self.bounds.xmin = self.bounds.xmin.min(bounds.origin.x);
self.bounds.xmax = self.bounds.xmax.max(bounds.origin.x + bounds.size.width);
self.bounds.ymin = self.bounds.ymin.min(bounds.origin.y);
self.bounds.ymax = self.bounds.ymax.max(bounds.origin.y + bounds.size.height);
});
log::debug!("Updated displays bounds: {0:?}", self.bounds);
Ok(())
}
// We can't disable mouse movement when in a client so we need to reset the cursor position
// to the edge of the screen, the cursor will be hidden but we dont want it to appear in a
// random location when we exit the client
fn reset_mouse_position(&self, event: &CGEvent) -> Result<(), CaptureError> {
if let Some(pos) = self.current_pos {
let location = event.location();
let edge_offset = 1.0;
// After the cursor is warped no event is produced but the next event
// will carry the delta from the warp so only half the delta is needed to move the cursor
let delta_y = event.get_double_value_field(EventField::MOUSE_EVENT_DELTA_Y) / 2.0;
let delta_x = event.get_double_value_field(EventField::MOUSE_EVENT_DELTA_X) / 2.0;
let mut new_x = location.x + delta_x;
let mut new_y = location.y + delta_y;
match pos {
Position::Left => {
new_x = self.bounds.xmin + edge_offset;
}
Position::Right => {
new_x = self.bounds.xmax - edge_offset;
}
Position::Top => {
new_y = self.bounds.ymin + edge_offset;
}
Position::Bottom => {
new_y = self.bounds.ymax - edge_offset;
}
}
let new_pos = CGPoint::new(new_x, new_y);
log::trace!("Resetting cursor position to: {new_x}, {new_y}");
return CGDisplay::warp_mouse_cursor_position(new_pos)
.map_err(CaptureError::WarpCursor);
}
Err(CaptureError::ResetMouseWithoutClient)
}
async fn handle_producer_event(
&mut self,
producer_event: ProducerEvent,
) -> Result<(), CaptureError> {
log::debug!("handling event: {producer_event:?}");
match producer_event {
ProducerEvent::Release => {
if self.current_pos.is_some() {
CGDisplay::show_cursor(&CGDisplay::main())
.map_err(CaptureError::CoreGraphics)?;
self.current_pos = None;
}
}
ProducerEvent::Grab(pos) => {
if self.current_pos.is_none() {
CGDisplay::hide_cursor(&CGDisplay::main())
.map_err(CaptureError::CoreGraphics)?;
self.current_pos = Some(pos);
}
}
ProducerEvent::Create(p) => {
self.active_clients.insert(p);
}
ProducerEvent::Destroy(p) => {
if let Some(current) = self.current_pos {
if current == p {
CGDisplay::show_cursor(&CGDisplay::main())
.map_err(CaptureError::CoreGraphics)?;
self.current_pos = None;
};
}
self.active_clients.remove(&p);
}
ProducerEvent::EventTapDisabled => return Err(CaptureError::EventTapDisabled),
};
Ok(())
}
}
fn get_events(
ev_type: &CGEventType,
ev: &CGEvent,
result: &mut Vec<CaptureEvent>,
) -> Result<(), CaptureError> {
fn map_pointer_event(ev: &CGEvent) -> PointerEvent {
PointerEvent::Motion {
time: 0,
dx: ev.get_double_value_field(EventField::MOUSE_EVENT_DELTA_X),
dy: ev.get_double_value_field(EventField::MOUSE_EVENT_DELTA_Y),
}
}
fn map_key(ev: &CGEvent) -> Result<u32, CaptureError> {
let code = ev.get_integer_value_field(EventField::KEYBOARD_EVENT_KEYCODE);
match KeyMap::from_key_mapping(KeyMapping::Mac(code as u16)) {
Ok(k) => Ok(k.evdev as u32),
Err(()) => Err(CaptureError::KeyMapError(code)),
}
}
match ev_type {
CGEventType::KeyDown => {
let k = map_key(ev)?;
result.push(CaptureEvent::Input(Event::Keyboard(KeyboardEvent::Key {
time: 0,
key: k,
state: 1,
})));
}
CGEventType::KeyUp => {
let k = map_key(ev)?;
result.push(CaptureEvent::Input(Event::Keyboard(KeyboardEvent::Key {
time: 0,
key: k,
state: 0,
})));
}
CGEventType::FlagsChanged => {
let mut mods = XMods::empty();
let mut mods_locked = XMods::empty();
let cg_flags = ev.get_flags();
if cg_flags.contains(CGEventFlags::CGEventFlagShift) {
mods |= XMods::ShiftMask;
}
if cg_flags.contains(CGEventFlags::CGEventFlagControl) {
mods |= XMods::ControlMask;
}
if cg_flags.contains(CGEventFlags::CGEventFlagAlternate) {
mods |= XMods::Mod1Mask;
}
if cg_flags.contains(CGEventFlags::CGEventFlagCommand) {
mods |= XMods::Mod4Mask;
}
if cg_flags.contains(CGEventFlags::CGEventFlagAlphaShift) {
mods |= XMods::LockMask;
mods_locked |= XMods::LockMask;
}
let modifier_event = KeyboardEvent::Modifiers {
depressed: mods.bits(),
latched: 0,
locked: mods_locked.bits(),
group: 0,
};
result.push(CaptureEvent::Input(Event::Keyboard(modifier_event)));
}
CGEventType::MouseMoved => {
result.push(CaptureEvent::Input(Event::Pointer(map_pointer_event(ev))))
}
CGEventType::LeftMouseDragged => {
result.push(CaptureEvent::Input(Event::Pointer(map_pointer_event(ev))))
}
CGEventType::RightMouseDragged => {
result.push(CaptureEvent::Input(Event::Pointer(map_pointer_event(ev))))
}
CGEventType::OtherMouseDragged => {
result.push(CaptureEvent::Input(Event::Pointer(map_pointer_event(ev))))
}
CGEventType::LeftMouseDown => {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Button {
time: 0,
button: BTN_LEFT,
state: 1,
})))
}
CGEventType::LeftMouseUp => {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Button {
time: 0,
button: BTN_LEFT,
state: 0,
})))
}
CGEventType::RightMouseDown => {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Button {
time: 0,
button: BTN_RIGHT,
state: 1,
})))
}
CGEventType::RightMouseUp => {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Button {
time: 0,
button: BTN_RIGHT,
state: 0,
})))
}
CGEventType::OtherMouseDown => {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Button {
time: 0,
button: BTN_MIDDLE,
state: 1,
})))
}
CGEventType::OtherMouseUp => {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Button {
time: 0,
button: BTN_MIDDLE,
state: 0,
})))
}
CGEventType::ScrollWheel => {
let v = ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_POINT_DELTA_AXIS_1);
let h = ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_POINT_DELTA_AXIS_2);
if v != 0 {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 0, // Vertical
value: v as f64,
})));
}
if h != 0 {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 1, // Horizontal
value: h as f64,
})));
}
}
_ => (),
}
Ok(())
}
fn create_event_tap<'a>(
client_state: Arc<Mutex<InputCaptureState>>,
notify_tx: Sender<ProducerEvent>,
event_tx: Sender<(Position, CaptureEvent)>,
) -> Result<CGEventTap<'a>, MacosCaptureCreationError> {
let cg_events_of_interest: Vec<CGEventType> = vec![
CGEventType::LeftMouseDown,
CGEventType::LeftMouseUp,
CGEventType::RightMouseDown,
CGEventType::RightMouseUp,
CGEventType::OtherMouseDown,
CGEventType::OtherMouseUp,
CGEventType::MouseMoved,
CGEventType::LeftMouseDragged,
CGEventType::RightMouseDragged,
CGEventType::OtherMouseDragged,
CGEventType::ScrollWheel,
CGEventType::KeyDown,
CGEventType::KeyUp,
CGEventType::FlagsChanged,
];
let event_tap_callback =
move |_proxy: CGEventTapProxy, event_type: CGEventType, cg_ev: &CGEvent| {
log::trace!("Got event from tap: {event_type:?}");
let mut state = client_state.blocking_lock();
let mut pos = None;
let mut res_events = vec![];
if matches!(
event_type,
CGEventType::TapDisabledByTimeout | CGEventType::TapDisabledByUserInput
) {
log::error!("CGEventTap disabled");
notify_tx
.blocking_send(ProducerEvent::EventTapDisabled)
.unwrap_or_else(|e| {
log::error!("Failed to send notification: {e}");
});
}
// Are we in a client?
if let Some(current_pos) = state.current_pos {
pos = Some(current_pos);
get_events(&event_type, cg_ev, &mut res_events).unwrap_or_else(|e| {
log::error!("Failed to get events: {e}");
});
// Keep (hidden) cursor at the edge of the screen
if matches!(event_type, CGEventType::MouseMoved) {
state.reset_mouse_position(cg_ev).unwrap_or_else(|e| {
log::error!("Failed to reset mouse position: {e}");
})
}
}
// Did we cross a barrier?
else if matches!(event_type, CGEventType::MouseMoved) {
if let Some(new_pos) = state.crossed(cg_ev) {
pos = Some(new_pos);
res_events.push(CaptureEvent::Begin);
notify_tx
.blocking_send(ProducerEvent::Grab(new_pos))
.expect("Failed to send notification");
}
}
if let Some(pos) = pos {
res_events.iter().for_each(|e| {
event_tx
.blocking_send((pos, *e))
.expect("Failed to send event");
});
// Returning None should stop the event from being processed
// but core fundation still returns the event
cg_ev.set_type(CGEventType::Null);
}
Some(cg_ev.to_owned())
};
let tap = CGEventTap::new(
CGEventTapLocation::Session,
CGEventTapPlacement::HeadInsertEventTap,
CGEventTapOptions::Default,
cg_events_of_interest,
event_tap_callback,
)
.map_err(|_| MacosCaptureCreationError::EventTapCreation)?;
let tap_source: CFRunLoopSource = tap
.mach_port
.create_runloop_source(0)
.expect("Failed creating loop source");
unsafe {
CFRunLoop::get_current().add_source(&tap_source, kCFRunLoopCommonModes);
}
Ok(tap)
}
fn event_tap_thread(
client_state: Arc<Mutex<InputCaptureState>>,
event_tx: Sender<(Position, CaptureEvent)>,
notify_tx: Sender<ProducerEvent>,
ready: std::sync::mpsc::Sender<Result<(), MacosCaptureCreationError>>,
exit: oneshot::Sender<Result<(), &'static str>>,
) {
let _tap = match create_event_tap(client_state, notify_tx, event_tx) {
Err(e) => {
ready.send(Err(e)).expect("channel closed");
return;
}
Ok(tap) => {
ready.send(Ok(())).expect("channel closed");
tap
}
};
CFRunLoop::run_current();
let _ = exit.send(Err("tap thread exited"));
}
pub struct MacOSInputCapture {
event_rx: Receiver<(Position, CaptureEvent)>,
notify_tx: Sender<ProducerEvent>,
}
impl MacOSInputCapture {
pub async fn new() -> Result<Self, MacosCaptureCreationError> {
let state = Arc::new(Mutex::new(InputCaptureState::new()?));
let (event_tx, event_rx) = mpsc::channel(32);
let (notify_tx, mut notify_rx) = mpsc::channel(32);
let (ready_tx, ready_rx) = std::sync::mpsc::channel();
let (tap_exit_tx, mut tap_exit_rx) = oneshot::channel();
unsafe {
configure_cf_settings()?;
}
log::info!("Enabling CGEvent tap");
let event_tap_thread_state = state.clone();
let event_tap_notify = notify_tx.clone();
thread::spawn(move || {
event_tap_thread(
event_tap_thread_state,
event_tx,
event_tap_notify,
ready_tx,
tap_exit_tx,
)
});
// wait for event tap creation result
ready_rx.recv().expect("channel closed")?;
let _tap_task: tokio::task::JoinHandle<()> = tokio::task::spawn_local(async move {
loop {
tokio::select! {
producer_event = notify_rx.recv() => {
let producer_event = producer_event.expect("channel closed");
let mut state = state.lock().await;
state.handle_producer_event(producer_event).await.unwrap_or_else(|e| {
log::error!("Failed to handle producer event: {e}");
})
}
res = &mut tap_exit_rx => {
if let Err(e) = res.expect("channel closed") {
log::error!("Tap thread failed: {:?}", e);
break;
}
}
}
}
});
Ok(Self {
event_rx,
notify_tx,
})
}
}
#[async_trait]
impl Capture for MacOSInputCapture {
async fn create(&mut self, pos: Position) -> Result<(), CaptureError> {
let notify_tx = self.notify_tx.clone();
tokio::task::spawn_local(async move {
log::debug!("creating capture, {pos}");
let _ = notify_tx.send(ProducerEvent::Create(pos)).await;
log::debug!("done !");
});
Ok(())
}
async fn destroy(&mut self, pos: Position) -> Result<(), CaptureError> {
let notify_tx = self.notify_tx.clone();
tokio::task::spawn_local(async move {
log::debug!("destroying capture {pos}");
let _ = notify_tx.send(ProducerEvent::Destroy(pos)).await;
log::debug!("done !");
});
Ok(())
}
async fn release(&mut self) -> Result<(), CaptureError> {
let notify_tx = self.notify_tx.clone();
tokio::task::spawn_local(async move {
log::debug!("notifying Release");
let _ = notify_tx.send(ProducerEvent::Release).await;
});
Ok(())
}
async fn terminate(&mut self) -> Result<(), CaptureError> {
Ok(())
}
}
impl Stream for MacOSInputCapture {
type Item = Result<(Position, CaptureEvent), CaptureError>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
match ready!(self.event_rx.poll_recv(cx)) {
None => Poll::Ready(None),
Some(e) => Poll::Ready(Some(Ok(e))),
}
}
}
type CGSConnectionID = u32;
#[link(name = "ApplicationServices", kind = "framework")]
extern "C" {
fn CGSSetConnectionProperty(
cid: CGSConnectionID,
targetCID: CGSConnectionID,
key: CFStringRef,
value: CFBooleanRef,
) -> CGError;
fn _CGSDefaultConnection() -> CGSConnectionID;
}
extern "C" {
fn CGEventSourceSetLocalEventsSuppressionInterval(
event_source: CGEventSource,
seconds: CFTimeInterval,
);
}
unsafe fn configure_cf_settings() -> Result<(), MacosCaptureCreationError> {
// When we warp the cursor using CGWarpMouseCursorPosition local events are suppressed for a short time
// this leeds to the cursor not flowing when crossing back from a clinet, set this to to 0 stops the warp
// from working, set a low value by trial and error, 0.05s seems good. 0.25s is the default
let event_source = CGEventSource::new(CGEventSourceStateID::CombinedSessionState)
.map_err(|_| MacosCaptureCreationError::EventSourceCreation)?;
CGEventSourceSetLocalEventsSuppressionInterval(event_source, 0.05);
// This is a private settings that allows the cursor to be hidden while in the background.
// It is used by Barrier and other apps.
let key = CString::new("SetsCursorInBackground").unwrap();
let cf_key = CFStringCreateWithCString(
kCFAllocatorDefault,
key.as_ptr() as *const c_char,
kCFStringEncodingUTF8,
);
if CGSSetConnectionProperty(
_CGSDefaultConnection(),
_CGSDefaultConnection(),
cf_key,
kCFBooleanTrue,
) != kCGErrorSuccess
{
return Err(MacosCaptureCreationError::CGCursorProperty);
}
CFRelease(cf_key as *const c_void);
Ok(())
}
// From X11/X.h
bitflags! {
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
struct XMods: u32 {
const ShiftMask = (1<<0);
const LockMask = (1<<1);
const ControlMask = (1<<2);
const Mod1Mask = (1<<3);
const Mod2Mask = (1<<4);
const Mod3Mask = (1<<5);
const Mod4Mask = (1<<6);
const Mod5Mask = (1<<7);
}
}

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use async_trait::async_trait;
use core::task::{Context, Poll};
use event_thread::EventThread;
use futures::Stream;
use std::pin::Pin;
use std::task::ready;
use tokio::sync::mpsc::{channel, Receiver};
use super::{Capture, CaptureError, CaptureEvent, Position};
mod display_util;
mod event_thread;
pub struct WindowsInputCapture {
event_rx: Receiver<(Position, CaptureEvent)>,
event_thread: EventThread,
}
#[async_trait]
impl Capture for WindowsInputCapture {
async fn create(&mut self, pos: Position) -> Result<(), CaptureError> {
self.event_thread.create(pos);
Ok(())
}
async fn destroy(&mut self, pos: Position) -> Result<(), CaptureError> {
self.event_thread.destroy(pos);
Ok(())
}
async fn release(&mut self) -> Result<(), CaptureError> {
self.event_thread.release_capture();
Ok(())
}
async fn terminate(&mut self) -> Result<(), CaptureError> {
Ok(())
}
}
impl WindowsInputCapture {
pub(crate) fn new() -> Self {
let (event_tx, event_rx) = channel(10);
let event_thread = EventThread::new(event_tx);
Self {
event_thread,
event_rx,
}
}
}
impl Stream for WindowsInputCapture {
type Item = Result<(Position, CaptureEvent), CaptureError>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
match ready!(self.event_rx.poll_recv(cx)) {
None => Poll::Ready(None),
Some(e) => Poll::Ready(Some(Ok(e))),
}
}
}

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use windows::Win32::Foundation::RECT;
use crate::Position;
fn is_within_dp_region(point: (i32, i32), display: &RECT) -> bool {
[
Position::Left,
Position::Right,
Position::Top,
Position::Bottom,
]
.iter()
.all(|&pos| is_within_dp_boundary(point, display, pos))
}
fn is_within_dp_boundary(point: (i32, i32), display: &RECT, pos: Position) -> bool {
let (x, y) = point;
match pos {
Position::Left => display.left <= x,
Position::Right => display.right > x,
Position::Top => display.top <= y,
Position::Bottom => display.bottom > y,
}
}
/// returns whether the given position is within the display bounds with respect to the given
/// barrier position
///
/// # Arguments
///
/// * `x`:
/// * `y`:
/// * `displays`:
/// * `pos`:
///
/// returns: bool
///
fn in_bounds(point: (i32, i32), displays: &[RECT], pos: Position) -> bool {
displays
.iter()
.any(|d| is_within_dp_boundary(point, d, pos))
}
fn in_display_region(point: (i32, i32), displays: &[RECT]) -> bool {
displays.iter().any(|d| is_within_dp_region(point, d))
}
fn moved_across_boundary(
prev_pos: (i32, i32),
curr_pos: (i32, i32),
displays: &[RECT],
pos: Position,
) -> bool {
/* was within bounds, but is not anymore */
in_display_region(prev_pos, displays) && !in_bounds(curr_pos, displays, pos)
}
pub(crate) fn entered_barrier(
prev_pos: (i32, i32),
curr_pos: (i32, i32),
displays: &[RECT],
) -> Option<Position> {
[
Position::Left,
Position::Right,
Position::Top,
Position::Bottom,
]
.into_iter()
.find(|&pos| moved_across_boundary(prev_pos, curr_pos, displays, pos))
}
///
/// clamp point to display bounds
///
/// # Arguments
///
/// * `prev_point`: coordinates, the cursor was before entering, within bounds of a display
/// * `entry_point`: point to clamp
///
/// returns: (i32, i32), the corrected entry point
///
pub(crate) fn clamp_to_display_bounds(
display_regions: &[RECT],
prev_point: (i32, i32),
point: (i32, i32),
) -> (i32, i32) {
/* find display where movement came from */
let display = display_regions
.iter()
.find(|&d| is_within_dp_region(prev_point, d))
.unwrap();
/* clamp to bounds (inclusive) */
let (x, y) = point;
let (min_x, max_x) = (display.left, display.right - 1);
let (min_y, max_y) = (display.top, display.bottom - 1);
(x.clamp(min_x, max_x), y.clamp(min_y, max_y))
}

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use std::cell::{Cell, RefCell};
use std::collections::HashSet;
use std::ptr::addr_of_mut;
use std::default::Default;
use std::sync::atomic::{AtomicBool, AtomicI32, Ordering};
use std::sync::{Arc, Condvar, Mutex};
use std::thread;
use tokio::sync::mpsc::error::TrySendError;
use tokio::sync::mpsc::Sender;
use windows::core::{w, PCWSTR};
use windows::Win32::Foundation::{FALSE, HINSTANCE, HWND, LPARAM, LRESULT, RECT, WPARAM};
use windows::Win32::Graphics::Gdi::{
EnumDisplayDevicesW, EnumDisplaySettingsW, DEVMODEW, DISPLAY_DEVICEW,
DISPLAY_DEVICE_ATTACHED_TO_DESKTOP, ENUM_CURRENT_SETTINGS,
};
use windows::Win32::System::LibraryLoader::GetModuleHandleW;
use windows::Win32::System::Threading::GetCurrentThreadId;
use windows::Win32::UI::WindowsAndMessaging::{
CallNextHookEx, CreateWindowExW, DispatchMessageW, GetMessageW, PostThreadMessageW,
RegisterClassW, SetWindowsHookExW, TranslateMessage, EDD_GET_DEVICE_INTERFACE_NAME, HHOOK,
HMENU, HOOKPROC, KBDLLHOOKSTRUCT, LLKHF_EXTENDED, MSG, MSLLHOOKSTRUCT, WH_KEYBOARD_LL,
WH_MOUSE_LL, WINDOW_STYLE, WM_DISPLAYCHANGE, WM_KEYDOWN, WM_KEYUP, WM_LBUTTONDOWN,
WM_LBUTTONUP, WM_MBUTTONDOWN, WM_MBUTTONUP, WM_MOUSEMOVE, WM_MOUSEWHEEL, WM_RBUTTONDOWN,
WM_RBUTTONUP, WM_SYSKEYDOWN, WM_SYSKEYUP, WM_USER, WM_XBUTTONDOWN, WM_XBUTTONUP, WNDCLASSW,
WNDPROC,
};
use input_event::{
scancode::{self, Linux},
Event, KeyboardEvent, PointerEvent, BTN_BACK, BTN_FORWARD, BTN_LEFT, BTN_MIDDLE, BTN_RIGHT,
};
use super::{display_util, CaptureEvent, Position};
pub(crate) struct EventThread {
request_buffer: Arc<Mutex<Vec<ClientUpdate>>>,
thread: Option<thread::JoinHandle<()>>,
thread_id: u32,
}
impl EventThread {
pub(crate) fn new(event_tx: Sender<(Position, CaptureEvent)>) -> Self {
let request_buffer = Default::default();
let (thread, thread_id) = start(event_tx, Arc::clone(&request_buffer));
Self {
request_buffer,
thread: Some(thread),
thread_id,
}
}
pub(crate) fn release_capture(&self) {
self.signal(RequestType::Release);
}
pub(crate) fn create(&self, pos: Position) {
self.client_update(ClientUpdate::Create(pos));
}
pub(crate) fn destroy(&self, pos: Position) {
self.client_update(ClientUpdate::Destroy(pos));
}
fn exit(&self) {
self.signal(RequestType::Exit);
}
fn client_update(&self, request: ClientUpdate) {
{
let mut requests = self.request_buffer.lock().unwrap();
requests.push(request);
}
self.signal(RequestType::ClientUpdate);
}
fn signal(&self, event_type: RequestType) {
let id = self.thread_id;
unsafe { PostThreadMessageW(id, WM_USER, WPARAM(event_type as usize), LPARAM(0)).unwrap() };
}
}
impl Drop for EventThread {
fn drop(&mut self) {
self.exit();
let _ = self.thread.take().expect("thread").join();
}
}
enum RequestType {
ClientUpdate = 0,
Release = 1,
Exit = 2,
}
enum ClientUpdate {
Create(Position),
Destroy(Position),
}
fn blocking_send_event(pos: Position, event: CaptureEvent) {
EVENT_TX.with_borrow_mut(|tx| tx.as_mut().unwrap().blocking_send((pos, event)).unwrap())
}
fn try_send_event(
pos: Position,
event: CaptureEvent,
) -> Result<(), TrySendError<(Position, CaptureEvent)>> {
EVENT_TX.with_borrow_mut(|tx| tx.as_mut().unwrap().try_send((pos, event)))
}
thread_local! {
/// all configured clients
static CLIENTS: RefCell<HashSet<Position>> = RefCell::new(HashSet::new());
/// currently active client
static ACTIVE_CLIENT: Cell<Option<Position>> = const { Cell::new(None) };
/// input event channel
static EVENT_TX: RefCell<Option<Sender<(Position, CaptureEvent)>>> = const { RefCell::new(None) };
/// position of barrier entry
static ENTRY_POINT: Cell<(i32, i32)> = const { Cell::new((0, 0)) };
/// previous mouse position
static PREV_POS: Cell<Option<(i32, i32)>> = const { Cell::new(None) };
/// displays and generation counter
static DISPLAYS: RefCell<(Vec<RECT>, i32)> = const { RefCell::new((Vec::new(), 0)) };
}
fn get_msg() -> Option<MSG> {
unsafe {
let mut msg = std::mem::zeroed();
let ret = GetMessageW(addr_of_mut!(msg), HWND::default(), 0, 0);
match ret.0 {
0 => None,
x if x > 0 => Some(msg),
_ => panic!("error in GetMessageW"),
}
}
}
fn start(
event_tx: Sender<(Position, CaptureEvent)>,
request_buffer: Arc<Mutex<Vec<ClientUpdate>>>,
) -> (thread::JoinHandle<()>, u32) {
/* condition variable to wait for thead id */
let thread_id = Arc::new((Condvar::new(), Mutex::new(None)));
let thread_id_ = Arc::clone(&thread_id);
let msg_thread = thread::spawn(|| start_routine(thread_id_, event_tx, request_buffer));
/* wait for thread to set its id */
let (cond, thread_id) = &*thread_id;
let mut thread_id = thread_id.lock().unwrap();
while (*thread_id).is_none() {
thread_id = cond.wait(thread_id).expect("channel closed");
}
(msg_thread, thread_id.expect("thread id"))
}
fn start_routine(
ready: Arc<(Condvar, Mutex<Option<u32>>)>,
event_tx: Sender<(Position, CaptureEvent)>,
request_buffer: Arc<Mutex<Vec<ClientUpdate>>>,
) {
EVENT_TX.replace(Some(event_tx));
/* communicate thread id */
{
let (cnd, mtx) = &*ready;
let mut ready = mtx.lock().unwrap();
*ready = Some(unsafe { GetCurrentThreadId() });
cnd.notify_one();
}
let mouse_proc: HOOKPROC = Some(mouse_proc);
let kybrd_proc: HOOKPROC = Some(kybrd_proc);
let window_proc: WNDPROC = Some(window_proc);
/* register hooks */
unsafe {
let _ = SetWindowsHookExW(WH_MOUSE_LL, mouse_proc, HINSTANCE::default(), 0).unwrap();
let _ = SetWindowsHookExW(WH_KEYBOARD_LL, kybrd_proc, HINSTANCE::default(), 0).unwrap();
}
let instance = unsafe { GetModuleHandleW(None).unwrap() };
let window_class: WNDCLASSW = WNDCLASSW {
lpfnWndProc: window_proc,
hInstance: instance.into(),
lpszClassName: w!("lan-mouse-message-window-class"),
..Default::default()
};
static WINDOW_CLASS_REGISTERED: AtomicBool = AtomicBool::new(false);
if WINDOW_CLASS_REGISTERED
.compare_exchange(false, true, Ordering::SeqCst, Ordering::SeqCst)
.is_ok()
{
/* register window class if not yet done so */
unsafe {
let ret = RegisterClassW(&window_class);
if ret == 0 {
panic!("RegisterClassW");
}
}
}
/* window is used ro receive WM_DISPLAYCHANGE messages */
unsafe {
CreateWindowExW(
Default::default(),
w!("lan-mouse-message-window-class"),
w!("lan-mouse-msg-window"),
WINDOW_STYLE::default(),
0,
0,
0,
0,
HWND::default(),
HMENU::default(),
instance,
None,
)
.expect("CreateWindowExW");
}
/* run message loop */
loop {
// mouse / keybrd proc do not actually return a message
let Some(msg) = get_msg() else {
break;
};
if msg.hwnd.0.is_null() {
/* messages sent via PostThreadMessage */
match msg.wParam.0 {
x if x == RequestType::Exit as usize => break,
x if x == RequestType::Release as usize => {
ACTIVE_CLIENT.take();
}
x if x == RequestType::ClientUpdate as usize => {
let requests = {
let mut res = vec![];
let mut requests = request_buffer.lock().unwrap();
for request in requests.drain(..) {
res.push(request);
}
res
};
for request in requests {
update_clients(request)
}
}
_ => {}
}
} else {
/* other messages for window_procs */
unsafe {
let _ = TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
}
}
fn check_client_activation(wparam: WPARAM, lparam: LPARAM) -> bool {
if wparam.0 != WM_MOUSEMOVE as usize {
return ACTIVE_CLIENT.get().is_some();
}
let mouse_low_level: MSLLHOOKSTRUCT = unsafe { *(lparam.0 as *const MSLLHOOKSTRUCT) };
let curr_pos = (mouse_low_level.pt.x, mouse_low_level.pt.y);
let prev_pos = PREV_POS.get().unwrap_or(curr_pos);
PREV_POS.replace(Some(curr_pos));
/* next event is the first actual event */
let ret = ACTIVE_CLIENT.get().is_some();
/* client already active, no need to check */
if ACTIVE_CLIENT.get().is_some() {
return ret;
}
/* check if a client was activated */
let entered = DISPLAYS.with_borrow_mut(|(displays, generation)| {
update_display_regions(displays, generation);
display_util::entered_barrier(prev_pos, curr_pos, displays)
});
let Some(pos) = entered else {
return ret;
};
/* check if a client is registered for the barrier */
if !CLIENTS.with_borrow(|clients| clients.contains(&pos)) {
return ret;
}
/* update active client and entry point */
ACTIVE_CLIENT.replace(Some(pos));
let entry_point = DISPLAYS.with_borrow(|(displays, _)| {
display_util::clamp_to_display_bounds(displays, prev_pos, curr_pos)
});
ENTRY_POINT.replace(entry_point);
/* notify main thread */
log::debug!("ENTERED @ {prev_pos:?} -> {curr_pos:?}");
let active = ACTIVE_CLIENT.get().expect("active client");
blocking_send_event(active, CaptureEvent::Begin);
ret
}
unsafe extern "system" fn mouse_proc(ncode: i32, wparam: WPARAM, lparam: LPARAM) -> LRESULT {
let active = check_client_activation(wparam, lparam);
/* no client was active */
if !active {
return CallNextHookEx(HHOOK::default(), ncode, wparam, lparam);
}
/* get active client if any */
let Some(pos) = ACTIVE_CLIENT.get() else {
return LRESULT(1);
};
/* convert to lan-mouse event */
let Some(pointer_event) = to_mouse_event(wparam, lparam) else {
return LRESULT(1);
};
/* notify mainthread (drop events if sending too fast) */
if let Err(e) = try_send_event(pos, CaptureEvent::Input(Event::Pointer(pointer_event))) {
log::warn!("e: {e}");
}
/* don't pass event to applications */
LRESULT(1)
}
unsafe extern "system" fn kybrd_proc(ncode: i32, wparam: WPARAM, lparam: LPARAM) -> LRESULT {
/* get active client if any */
let Some(client) = ACTIVE_CLIENT.get() else {
return CallNextHookEx(HHOOK::default(), ncode, wparam, lparam);
};
/* convert to key event */
let Some(key_event) = to_key_event(wparam, lparam) else {
return LRESULT(1);
};
if let Err(e) = try_send_event(client, CaptureEvent::Input(Event::Keyboard(key_event))) {
log::warn!("e: {e}");
}
/* don't pass event to applications */
LRESULT(1)
}
unsafe extern "system" fn window_proc(
_hwnd: HWND,
uint: u32,
_wparam: WPARAM,
_lparam: LPARAM,
) -> LRESULT {
if uint == WM_DISPLAYCHANGE {
log::debug!("display resolution changed");
DISPLAY_RESOLUTION_GENERATION.fetch_add(1, Ordering::Release);
}
LRESULT(1)
}
static DISPLAY_RESOLUTION_GENERATION: AtomicI32 = AtomicI32::new(1);
fn update_display_regions(displays: &mut Vec<RECT>, generation: &mut i32) {
let global_generation = DISPLAY_RESOLUTION_GENERATION.load(Ordering::Acquire);
if *generation != global_generation {
enumerate_displays(displays);
log::debug!("displays: {displays:?}");
*generation = global_generation;
}
}
fn enumerate_displays(display_rects: &mut Vec<RECT>) {
display_rects.clear();
unsafe {
let mut devices = vec![];
for i in 0.. {
let mut device: DISPLAY_DEVICEW = std::mem::zeroed();
device.cb = std::mem::size_of::<DISPLAY_DEVICEW>() as u32;
let ret = EnumDisplayDevicesW(None, i, &mut device, EDD_GET_DEVICE_INTERFACE_NAME);
if ret == FALSE {
break;
}
if device.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP != 0 {
devices.push(device.DeviceName);
}
}
for device in devices {
let mut dev_mode: DEVMODEW = std::mem::zeroed();
dev_mode.dmSize = std::mem::size_of::<DEVMODEW>() as u16;
let ret = EnumDisplaySettingsW(
PCWSTR::from_raw(&device as *const _),
ENUM_CURRENT_SETTINGS,
&mut dev_mode,
);
if ret == FALSE {
log::warn!("no display mode");
}
let pos = dev_mode.Anonymous1.Anonymous2.dmPosition;
let (x, y) = (pos.x, pos.y);
let (width, height) = (dev_mode.dmPelsWidth, dev_mode.dmPelsHeight);
display_rects.push(RECT {
left: x,
right: x + width as i32,
top: y,
bottom: y + height as i32,
});
}
}
}
fn update_clients(request: ClientUpdate) {
match request {
ClientUpdate::Create(pos) => {
CLIENTS.with_borrow_mut(|clients| clients.insert(pos));
}
ClientUpdate::Destroy(pos) => {
if let Some(active_pos) = ACTIVE_CLIENT.get() {
if pos == active_pos {
let _ = ACTIVE_CLIENT.take();
}
}
CLIENTS.with_borrow_mut(|clients| clients.remove(&pos));
}
}
}
fn to_key_event(wparam: WPARAM, lparam: LPARAM) -> Option<KeyboardEvent> {
let kybrdllhookstruct: KBDLLHOOKSTRUCT = unsafe { *(lparam.0 as *const KBDLLHOOKSTRUCT) };
let mut scan_code = kybrdllhookstruct.scanCode;
log::trace!("scan_code: {scan_code}");
if kybrdllhookstruct.flags.contains(LLKHF_EXTENDED) {
scan_code |= 0xE000;
}
let Ok(win_scan_code) = scancode::Windows::try_from(scan_code) else {
log::warn!("failed to translate to windows scancode: {scan_code}");
return None;
};
log::trace!("windows_scan: {win_scan_code:?}");
let Ok(linux_scan_code): Result<Linux, ()> = win_scan_code.try_into() else {
log::warn!("failed to translate into linux scancode: {win_scan_code:?}");
return None;
};
log::trace!("windows_scan: {linux_scan_code:?}");
let scan_code = linux_scan_code as u32;
match wparam {
WPARAM(p) if p == WM_KEYDOWN as usize => Some(KeyboardEvent::Key {
time: 0,
key: scan_code,
state: 1,
}),
WPARAM(p) if p == WM_KEYUP as usize => Some(KeyboardEvent::Key {
time: 0,
key: scan_code,
state: 0,
}),
WPARAM(p) if p == WM_SYSKEYDOWN as usize => Some(KeyboardEvent::Key {
time: 0,
key: scan_code,
state: 1,
}),
WPARAM(p) if p == WM_SYSKEYUP as usize => Some(KeyboardEvent::Key {
time: 0,
key: scan_code,
state: 0,
}),
_ => None,
}
}
fn to_mouse_event(wparam: WPARAM, lparam: LPARAM) -> Option<PointerEvent> {
let mouse_low_level: MSLLHOOKSTRUCT = unsafe { *(lparam.0 as *const MSLLHOOKSTRUCT) };
match wparam {
WPARAM(p) if p == WM_LBUTTONDOWN as usize => Some(PointerEvent::Button {
time: 0,
button: BTN_LEFT,
state: 1,
}),
WPARAM(p) if p == WM_MBUTTONDOWN as usize => Some(PointerEvent::Button {
time: 0,
button: BTN_MIDDLE,
state: 1,
}),
WPARAM(p) if p == WM_RBUTTONDOWN as usize => Some(PointerEvent::Button {
time: 0,
button: BTN_RIGHT,
state: 1,
}),
WPARAM(p) if p == WM_LBUTTONUP as usize => Some(PointerEvent::Button {
time: 0,
button: BTN_LEFT,
state: 0,
}),
WPARAM(p) if p == WM_MBUTTONUP as usize => Some(PointerEvent::Button {
time: 0,
button: BTN_MIDDLE,
state: 0,
}),
WPARAM(p) if p == WM_RBUTTONUP as usize => Some(PointerEvent::Button {
time: 0,
button: BTN_RIGHT,
state: 0,
}),
WPARAM(p) if p == WM_MOUSEMOVE as usize => {
let (x, y) = (mouse_low_level.pt.x, mouse_low_level.pt.y);
let (ex, ey) = ENTRY_POINT.get();
let (dx, dy) = (x - ex, y - ey);
let (dx, dy) = (dx as f64, dy as f64);
Some(PointerEvent::Motion { time: 0, dx, dy })
}
WPARAM(p) if p == WM_MOUSEWHEEL as usize => Some(PointerEvent::AxisDiscrete120 {
axis: 0,
value: -(mouse_low_level.mouseData as i32 >> 16),
}),
WPARAM(p) if p == WM_XBUTTONDOWN as usize || p == WM_XBUTTONUP as usize => {
let hb = mouse_low_level.mouseData >> 16;
let button = match hb {
1 => BTN_BACK,
2 => BTN_FORWARD,
_ => {
log::warn!("unknown mouse button");
return None;
}
};
Some(PointerEvent::Button {
time: 0,
button,
state: if p == WM_XBUTTONDOWN as usize { 1 } else { 0 },
})
}
w => {
log::warn!("unknown mouse event: {w:?}");
None
}
}
}

44
input-capture/src/x11.rs Normal file
View File

@@ -0,0 +1,44 @@
use std::task::Poll;
use async_trait::async_trait;
use futures_core::Stream;
use super::{error::X11InputCaptureCreationError, Capture, CaptureError, CaptureEvent, Position};
pub struct X11InputCapture {}
impl X11InputCapture {
pub fn new() -> std::result::Result<Self, X11InputCaptureCreationError> {
Err(X11InputCaptureCreationError::NotImplemented)
}
}
#[async_trait]
impl Capture for X11InputCapture {
async fn create(&mut self, _pos: Position) -> Result<(), CaptureError> {
Ok(())
}
async fn destroy(&mut self, _pos: Position) -> Result<(), CaptureError> {
Ok(())
}
async fn release(&mut self) -> Result<(), CaptureError> {
Ok(())
}
async fn terminate(&mut self) -> Result<(), CaptureError> {
Ok(())
}
}
impl Stream for X11InputCapture {
type Item = Result<(Position, CaptureEvent), CaptureError>;
fn poll_next(
self: std::pin::Pin<&mut Self>,
_cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Option<Self::Item>> {
Poll::Pending
}
}

View File

@@ -0,0 +1,73 @@
[package]
name = "input-emulation"
description = "cross-platform input emulation library used by lan-mouse"
version = "0.3.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
async-trait = "0.1.80"
futures = "0.3.28"
log = "0.4.22"
input-event = { path = "../input-event", version = "0.3.0" }
thiserror = "2.0.0"
tokio = { version = "1.32.0", features = [
"io-util",
"io-std",
"macros",
"net",
"process",
"rt",
"sync",
"signal",
] }
once_cell = "1.19.0"
[target.'cfg(all(unix, not(target_os="macos")))'.dependencies]
bitflags = "2.6.0"
wayland-client = { version = "0.31.1", optional = true }
wayland-protocols = { version = "0.32.1", features = [
"client",
"staging",
"unstable",
], optional = true }
wayland-protocols-wlr = { version = "0.3.1", features = [
"client",
], optional = true }
wayland-protocols-misc = { version = "0.3.1", features = [
"client",
], optional = true }
x11 = { version = "2.21.0", features = ["xlib", "xtest"], optional = true }
ashpd = { version = "0.10", default-features = false, features = [
"tokio",
], optional = true }
reis = { version = "0.4", features = ["tokio"], optional = true }
[target.'cfg(target_os="macos")'.dependencies]
bitflags = "2.6.0"
core-graphics = { version = "0.24.0", features = ["highsierra"] }
keycode = "0.4.0"
[target.'cfg(windows)'.dependencies]
windows = { version = "0.58.0", features = [
"Win32_System_LibraryLoader",
"Win32_System_Threading",
"Win32_Foundation",
"Win32_Graphics",
"Win32_Graphics_Gdi",
"Win32_UI_Input_KeyboardAndMouse",
"Win32_UI_WindowsAndMessaging",
] }
[features]
default = ["wlroots", "x11", "remote_desktop_portal", "libei"]
wlroots = [
"dep:wayland-client",
"dep:wayland-protocols",
"dep:wayland-protocols-wlr",
"dep:wayland-protocols-misc",
]
x11 = ["dep:x11"]
remote_desktop_portal = ["dep:ashpd"]
libei = ["dep:reis", "dep:ashpd"]

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use async_trait::async_trait;
use input_event::Event;
use crate::error::EmulationError;
use super::{Emulation, EmulationHandle};
#[derive(Default)]
pub(crate) struct DummyEmulation;
impl DummyEmulation {
pub(crate) fn new() -> Self {
Self {}
}
}
#[async_trait]
impl Emulation for DummyEmulation {
async fn consume(
&mut self,
event: Event,
client_handle: EmulationHandle,
) -> Result<(), EmulationError> {
log::info!("received event: ({client_handle}) {event}");
Ok(())
}
async fn create(&mut self, _: EmulationHandle) {}
async fn destroy(&mut self, _: EmulationHandle) {}
async fn terminate(&mut self) {
/* nothing to do */
}
}

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#[derive(Debug, Error)]
pub enum InputEmulationError {
#[error("error creating input-emulation: `{0}`")]
Create(#[from] EmulationCreationError),
#[error("error emulating input: `{0}`")]
Emulate(#[from] EmulationError),
}
#[cfg(all(
unix,
any(feature = "remote_desktop_portal", feature = "libei"),
not(target_os = "macos")
))]
use ashpd::{desktop::ResponseError, Error::Response};
use std::io;
use thiserror::Error;
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
use wayland_client::{
backend::WaylandError,
globals::{BindError, GlobalError},
ConnectError, DispatchError,
};
#[derive(Debug, Error)]
pub enum EmulationError {
#[error("event stream closed")]
EndOfStream,
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[error("libei error: `{0}`")]
Libei(#[from] reis::Error),
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
#[error("wayland error: `{0}`")]
Wayland(#[from] wayland_client::backend::WaylandError),
#[cfg(all(
unix,
any(feature = "remote_desktop_portal", feature = "libei"),
not(target_os = "macos")
))]
#[error("xdg-desktop-portal: `{0}`")]
Ashpd(#[from] ashpd::Error),
#[error("io error: `{0}`")]
Io(#[from] io::Error),
}
#[derive(Debug, Error)]
pub enum EmulationCreationError {
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
#[error("wlroots backend: `{0}`")]
Wlroots(#[from] WlrootsEmulationCreationError),
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[error("libei backend: `{0}`")]
Libei(#[from] LibeiEmulationCreationError),
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
#[error("xdg-desktop-portal: `{0}`")]
Xdp(#[from] XdpEmulationCreationError),
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
#[error("x11: `{0}`")]
X11(#[from] X11EmulationCreationError),
#[cfg(target_os = "macos")]
#[error("macos: `{0}`")]
MacOs(#[from] MacOSEmulationCreationError),
#[cfg(windows)]
#[error("windows: `{0}`")]
Windows(#[from] WindowsEmulationCreationError),
#[error("capture error")]
NoAvailableBackend,
}
impl EmulationCreationError {
/// request was intentionally denied by the user
pub(crate) fn cancelled_by_user(&self) -> bool {
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
if matches!(
self,
EmulationCreationError::Libei(LibeiEmulationCreationError::Ashpd(Response(
ResponseError::Cancelled,
)))
) {
return true;
}
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
if matches!(
self,
EmulationCreationError::Xdp(XdpEmulationCreationError::Ashpd(Response(
ResponseError::Cancelled,
)))
) {
return true;
}
false
}
}
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum WlrootsEmulationCreationError {
#[error(transparent)]
Connect(#[from] ConnectError),
#[error(transparent)]
Global(#[from] GlobalError),
#[error(transparent)]
Wayland(#[from] WaylandError),
#[error(transparent)]
Bind(#[from] WaylandBindError),
#[error(transparent)]
Dispatch(#[from] DispatchError),
#[error(transparent)]
Io(#[from] std::io::Error),
}
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
#[derive(Debug, Error)]
#[error("wayland protocol \"{protocol}\" not supported: {inner}")]
pub struct WaylandBindError {
inner: BindError,
protocol: &'static str,
}
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
impl WaylandBindError {
pub(crate) fn new(inner: BindError, protocol: &'static str) -> Self {
Self { inner, protocol }
}
}
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum LibeiEmulationCreationError {
#[error(transparent)]
Ashpd(#[from] ashpd::Error),
#[error(transparent)]
Io(#[from] std::io::Error),
#[error(transparent)]
Reis(#[from] reis::Error),
}
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum XdpEmulationCreationError {
#[error(transparent)]
Ashpd(#[from] ashpd::Error),
}
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
#[derive(Debug, Error)]
pub enum X11EmulationCreationError {
#[error("could not open display")]
OpenDisplay,
}
#[cfg(target_os = "macos")]
#[derive(Debug, Error)]
pub enum MacOSEmulationCreationError {
#[error("could not create event source")]
EventSourceCreation,
}
#[cfg(windows)]
#[derive(Debug, Error)]
pub enum WindowsEmulationCreationError {}

240
input-emulation/src/lib.rs Normal file
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use async_trait::async_trait;
use std::{
collections::{HashMap, HashSet},
fmt::Display,
};
use input_event::{Event, KeyboardEvent};
pub use self::error::{EmulationCreationError, EmulationError, InputEmulationError};
#[cfg(windows)]
mod windows;
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
mod x11;
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
mod wlroots;
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
mod xdg_desktop_portal;
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
mod libei;
#[cfg(target_os = "macos")]
mod macos;
/// fallback input emulation (logs events)
mod dummy;
mod error;
pub type EmulationHandle = u64;
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Backend {
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
Wlroots,
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Libei,
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
Xdp,
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
X11,
#[cfg(windows)]
Windows,
#[cfg(target_os = "macos")]
MacOs,
Dummy,
}
impl Display for Backend {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
Backend::Wlroots => write!(f, "wlroots"),
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Backend::Libei => write!(f, "libei"),
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
Backend::Xdp => write!(f, "xdg-desktop-portal"),
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
Backend::X11 => write!(f, "X11"),
#[cfg(windows)]
Backend::Windows => write!(f, "windows"),
#[cfg(target_os = "macos")]
Backend::MacOs => write!(f, "macos"),
Backend::Dummy => write!(f, "dummy"),
}
}
}
pub struct InputEmulation {
emulation: Box<dyn Emulation>,
handles: HashSet<EmulationHandle>,
pressed_keys: HashMap<EmulationHandle, HashSet<u32>>,
}
impl InputEmulation {
async fn with_backend(backend: Backend) -> Result<InputEmulation, EmulationCreationError> {
let emulation: Box<dyn Emulation> = match backend {
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
Backend::Wlroots => Box::new(wlroots::WlrootsEmulation::new()?),
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Backend::Libei => Box::new(libei::LibeiEmulation::new().await?),
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
Backend::X11 => Box::new(x11::X11Emulation::new()?),
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
Backend::Xdp => Box::new(xdg_desktop_portal::DesktopPortalEmulation::new().await?),
#[cfg(windows)]
Backend::Windows => Box::new(windows::WindowsEmulation::new()?),
#[cfg(target_os = "macos")]
Backend::MacOs => Box::new(macos::MacOSEmulation::new()?),
Backend::Dummy => Box::new(dummy::DummyEmulation::new()),
};
Ok(Self {
emulation,
handles: HashSet::new(),
pressed_keys: HashMap::new(),
})
}
pub async fn new(backend: Option<Backend>) -> Result<InputEmulation, EmulationCreationError> {
if let Some(backend) = backend {
let b = Self::with_backend(backend).await;
if b.is_ok() {
log::info!("using emulation backend: {backend}");
}
return b;
}
for backend in [
#[cfg(all(unix, feature = "wlroots", not(target_os = "macos")))]
Backend::Wlroots,
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
Backend::Libei,
#[cfg(all(unix, feature = "remote_desktop_portal", not(target_os = "macos")))]
Backend::Xdp,
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
Backend::X11,
#[cfg(windows)]
Backend::Windows,
#[cfg(target_os = "macos")]
Backend::MacOs,
Backend::Dummy,
] {
match Self::with_backend(backend).await {
Ok(b) => {
log::info!("using emulation backend: {backend}");
return Ok(b);
}
Err(e) if e.cancelled_by_user() => return Err(e),
Err(e) => log::warn!("{e}"),
}
}
Err(EmulationCreationError::NoAvailableBackend)
}
pub async fn consume(
&mut self,
event: Event,
handle: EmulationHandle,
) -> Result<(), EmulationError> {
match event {
Event::Keyboard(KeyboardEvent::Key { key, state, .. }) => {
// prevent double pressed / released keys
if self.update_pressed_keys(handle, key, state) {
self.emulation.consume(event, handle).await?;
}
Ok(())
}
_ => self.emulation.consume(event, handle).await,
}
}
pub async fn create(&mut self, handle: EmulationHandle) -> bool {
if self.handles.insert(handle) {
self.pressed_keys.insert(handle, HashSet::new());
self.emulation.create(handle).await;
true
} else {
false
}
}
pub async fn destroy(&mut self, handle: EmulationHandle) {
let _ = self.release_keys(handle).await;
if self.handles.remove(&handle) {
self.pressed_keys.remove(&handle);
self.emulation.destroy(handle).await
}
}
pub async fn terminate(&mut self) {
for handle in self.handles.iter().cloned().collect::<Vec<_>>() {
self.destroy(handle).await
}
self.emulation.terminate().await
}
pub async fn release_keys(&mut self, handle: EmulationHandle) -> Result<(), EmulationError> {
if let Some(keys) = self.pressed_keys.get_mut(&handle) {
let keys = keys.drain().collect::<Vec<_>>();
for key in keys {
let event = Event::Keyboard(KeyboardEvent::Key {
time: 0,
key,
state: 0,
});
self.emulation.consume(event, handle).await?;
if let Ok(key) = input_event::scancode::Linux::try_from(key) {
log::warn!("releasing stuck key: {key:?}");
}
}
}
let event = Event::Keyboard(KeyboardEvent::Modifiers {
depressed: 0,
latched: 0,
locked: 0,
group: 0,
});
self.emulation.consume(event, handle).await?;
Ok(())
}
pub fn has_pressed_keys(&self, handle: EmulationHandle) -> bool {
self.pressed_keys
.get(&handle)
.is_some_and(|p| !p.is_empty())
}
/// update the pressed_keys for the given handle
/// returns whether the event should be processed
fn update_pressed_keys(&mut self, handle: EmulationHandle, key: u32, state: u8) -> bool {
let Some(pressed_keys) = self.pressed_keys.get_mut(&handle) else {
return false;
};
if state == 0 {
// currently pressed => can release
pressed_keys.remove(&key)
} else {
// currently not pressed => can press
pressed_keys.insert(key)
}
}
}
#[async_trait]
trait Emulation: Send {
async fn consume(
&mut self,
event: Event,
handle: EmulationHandle,
) -> Result<(), EmulationError>;
async fn create(&mut self, handle: EmulationHandle);
async fn destroy(&mut self, handle: EmulationHandle);
async fn terminate(&mut self);
}

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use futures::{future, StreamExt};
use std::{
io,
os::{fd::OwnedFd, unix::net::UnixStream},
sync::{
atomic::{AtomicBool, Ordering},
Arc, Mutex, RwLock,
},
time::{SystemTime, UNIX_EPOCH},
};
use tokio::task::JoinHandle;
use ashpd::desktop::{
remote_desktop::{DeviceType, RemoteDesktop},
PersistMode, Session,
};
use async_trait::async_trait;
use reis::{
ei::{
self, button::ButtonState, handshake::ContextType, keyboard::KeyState, Button, Keyboard,
Pointer, Scroll,
},
event::{self, Connection, DeviceCapability, DeviceEvent, EiEvent, SeatEvent},
tokio::EiConvertEventStream,
};
use input_event::{Event, KeyboardEvent, PointerEvent};
use crate::error::EmulationError;
use super::{error::LibeiEmulationCreationError, Emulation, EmulationHandle};
#[derive(Clone, Default)]
struct Devices {
pointer: Arc<RwLock<Option<(ei::Device, ei::Pointer)>>>,
scroll: Arc<RwLock<Option<(ei::Device, ei::Scroll)>>>,
button: Arc<RwLock<Option<(ei::Device, ei::Button)>>>,
keyboard: Arc<RwLock<Option<(ei::Device, ei::Keyboard)>>>,
}
pub(crate) struct LibeiEmulation<'a> {
context: ei::Context,
conn: event::Connection,
devices: Devices,
ei_task: JoinHandle<()>,
error: Arc<Mutex<Option<EmulationError>>>,
libei_error: Arc<AtomicBool>,
_remote_desktop: RemoteDesktop<'a>,
session: Session<'a, RemoteDesktop<'a>>,
}
async fn get_ei_fd<'a>(
) -> Result<(RemoteDesktop<'a>, Session<'a, RemoteDesktop<'a>>, OwnedFd), ashpd::Error> {
let remote_desktop = RemoteDesktop::new().await?;
log::debug!("creating session ...");
let session = remote_desktop.create_session().await?;
log::debug!("selecting devices ...");
remote_desktop
.select_devices(
&session,
DeviceType::Keyboard | DeviceType::Pointer,
None,
PersistMode::ExplicitlyRevoked,
)
.await?;
log::info!("requesting permission for input emulation");
let _devices = remote_desktop.start(&session, None).await?.response()?;
let fd = remote_desktop.connect_to_eis(&session).await?;
Ok((remote_desktop, session, fd))
}
impl LibeiEmulation<'_> {
pub(crate) async fn new() -> Result<Self, LibeiEmulationCreationError> {
let (_remote_desktop, session, eifd) = get_ei_fd().await?;
let stream = UnixStream::from(eifd);
stream.set_nonblocking(true)?;
let context = ei::Context::new(stream)?;
let (conn, events) = context
.handshake_tokio("de.feschber.LanMouse", ContextType::Sender)
.await?;
let devices = Devices::default();
let libei_error = Arc::new(AtomicBool::default());
let error = Arc::new(Mutex::new(None));
let ei_handler = ei_task(
events,
conn.clone(),
context.clone(),
devices.clone(),
libei_error.clone(),
error.clone(),
);
let ei_task = tokio::task::spawn_local(ei_handler);
Ok(Self {
context,
conn,
devices,
ei_task,
error,
libei_error,
_remote_desktop,
session,
})
}
}
impl Drop for LibeiEmulation<'_> {
fn drop(&mut self) {
self.ei_task.abort();
}
}
#[async_trait]
impl Emulation for LibeiEmulation<'_> {
async fn consume(
&mut self,
event: Event,
_handle: EmulationHandle,
) -> Result<(), EmulationError> {
let now = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_micros() as u64;
if self.libei_error.load(Ordering::SeqCst) {
// don't break sending additional events but signal error
if let Some(e) = self.error.lock().unwrap().take() {
return Err(e);
}
}
match event {
Event::Pointer(p) => match p {
PointerEvent::Motion { time: _, dx, dy } => {
let pointer_device = self.devices.pointer.read().unwrap();
if let Some((d, p)) = pointer_device.as_ref() {
p.motion_relative(dx as f32, dy as f32);
d.frame(self.conn.serial(), now);
}
}
PointerEvent::Button {
time: _,
button,
state,
} => {
let button_device = self.devices.button.read().unwrap();
if let Some((d, b)) = button_device.as_ref() {
b.button(
button,
match state {
0 => ButtonState::Released,
_ => ButtonState::Press,
},
);
d.frame(self.conn.serial(), now);
}
}
PointerEvent::Axis {
time: _,
axis,
value,
} => {
let scroll_device = self.devices.scroll.read().unwrap();
if let Some((d, s)) = scroll_device.as_ref() {
match axis {
0 => s.scroll(0., value as f32),
_ => s.scroll(value as f32, 0.),
}
d.frame(self.conn.serial(), now);
}
}
PointerEvent::AxisDiscrete120 { axis, value } => {
let scroll_device = self.devices.scroll.read().unwrap();
if let Some((d, s)) = scroll_device.as_ref() {
match axis {
0 => s.scroll_discrete(0, value),
_ => s.scroll_discrete(value, 0),
}
d.frame(self.conn.serial(), now);
}
}
},
Event::Keyboard(k) => match k {
KeyboardEvent::Key {
time: _,
key,
state,
} => {
let keyboard_device = self.devices.keyboard.read().unwrap();
if let Some((d, k)) = keyboard_device.as_ref() {
k.key(
key,
match state {
0 => KeyState::Released,
_ => KeyState::Press,
},
);
d.frame(self.conn.serial(), now);
}
}
KeyboardEvent::Modifiers { .. } => {}
},
}
self.context
.flush()
.map_err(|e| io::Error::new(e.kind(), e))?;
Ok(())
}
async fn create(&mut self, _: EmulationHandle) {}
async fn destroy(&mut self, _: EmulationHandle) {}
async fn terminate(&mut self) {
let _ = self.session.close().await;
self.ei_task.abort();
}
}
async fn ei_task(
mut events: EiConvertEventStream,
_conn: Connection,
context: ei::Context,
devices: Devices,
libei_error: Arc<AtomicBool>,
error: Arc<Mutex<Option<EmulationError>>>,
) {
loop {
match ei_event_handler(&mut events, &context, &devices).await {
Ok(()) => {}
Err(e) => {
libei_error.store(true, Ordering::SeqCst);
error.lock().unwrap().replace(e);
// wait for termination -> otherwise we will loop forever
future::pending::<()>().await;
}
}
}
}
async fn ei_event_handler(
events: &mut EiConvertEventStream,
context: &ei::Context,
devices: &Devices,
) -> Result<(), EmulationError> {
loop {
let event = events.next().await.ok_or(EmulationError::EndOfStream)??;
const CAPABILITIES: &[DeviceCapability] = &[
DeviceCapability::Pointer,
DeviceCapability::PointerAbsolute,
DeviceCapability::Keyboard,
DeviceCapability::Touch,
DeviceCapability::Scroll,
DeviceCapability::Button,
];
log::debug!("{event:?}");
match event {
EiEvent::Disconnected(e) => {
log::debug!("ei disconnected: {e:?}");
return Err(EmulationError::EndOfStream);
}
EiEvent::SeatAdded(e) => {
e.seat().bind_capabilities(CAPABILITIES);
}
EiEvent::SeatRemoved(e) => {
log::debug!("seat removed: {:?}", e.seat());
}
EiEvent::DeviceAdded(e) => {
let device_type = e.device().device_type();
log::debug!("device added: {device_type:?}");
e.device().device();
let device = e.device();
if let Some(pointer) = e.device().interface::<Pointer>() {
devices
.pointer
.write()
.unwrap()
.replace((device.device().clone(), pointer));
}
if let Some(keyboard) = e.device().interface::<Keyboard>() {
devices
.keyboard
.write()
.unwrap()
.replace((device.device().clone(), keyboard));
}
if let Some(scroll) = e.device().interface::<Scroll>() {
devices
.scroll
.write()
.unwrap()
.replace((device.device().clone(), scroll));
}
if let Some(button) = e.device().interface::<Button>() {
devices
.button
.write()
.unwrap()
.replace((device.device().clone(), button));
}
}
EiEvent::DeviceRemoved(e) => {
log::debug!("device removed: {:?}", e.device().device_type());
}
EiEvent::DevicePaused(e) => {
log::debug!("device paused: {:?}", e.device().device_type());
}
EiEvent::DeviceResumed(e) => {
log::debug!("device resumed: {:?}", e.device().device_type());
e.device().device().start_emulating(0, 0);
}
EiEvent::KeyboardModifiers(e) => {
log::debug!("modifiers: {e:?}");
}
// only for receiver context
// EiEvent::Frame(_) => { },
// EiEvent::DeviceStartEmulating(_) => { },
// EiEvent::DeviceStopEmulating(_) => { },
// EiEvent::PointerMotion(_) => { },
// EiEvent::PointerMotionAbsolute(_) => { },
// EiEvent::Button(_) => { },
// EiEvent::ScrollDelta(_) => { },
// EiEvent::ScrollStop(_) => { },
// EiEvent::ScrollCancel(_) => { },
// EiEvent::ScrollDiscrete(_) => { },
// EiEvent::KeyboardKey(_) => { },
// EiEvent::TouchDown(_) => { },
// EiEvent::TouchUp(_) => { },
// EiEvent::TouchMotion(_) => { },
_ => unreachable!("unexpected ei event"),
}
context.flush().map_err(|e| io::Error::new(e.kind(), e))?;
}
}

View File

@@ -0,0 +1,495 @@
use super::{error::EmulationError, Emulation, EmulationHandle};
use async_trait::async_trait;
use bitflags::bitflags;
use core_graphics::base::CGFloat;
use core_graphics::display::{
CGDirectDisplayID, CGDisplayBounds, CGGetDisplaysWithRect, CGPoint, CGRect, CGSize,
};
use core_graphics::event::{
CGEvent, CGEventFlags, CGEventTapLocation, CGEventType, CGKeyCode, CGMouseButton, EventField,
ScrollEventUnit,
};
use core_graphics::event_source::{CGEventSource, CGEventSourceStateID};
use input_event::{scancode, Event, KeyboardEvent, PointerEvent};
use keycode::{KeyMap, KeyMapping};
use std::cell::Cell;
use std::ops::{Index, IndexMut};
use std::rc::Rc;
use std::sync::Arc;
use std::time::Duration;
use tokio::{sync::Notify, task::JoinHandle};
use super::error::MacOSEmulationCreationError;
const DEFAULT_REPEAT_DELAY: Duration = Duration::from_millis(500);
const DEFAULT_REPEAT_INTERVAL: Duration = Duration::from_millis(32);
pub(crate) struct MacOSEmulation {
event_source: CGEventSource,
repeat_task: Option<JoinHandle<()>>,
button_state: ButtonState,
modifier_state: Rc<Cell<XMods>>,
notify_repeat_task: Arc<Notify>,
}
struct ButtonState {
left: bool,
right: bool,
center: bool,
}
impl Index<CGMouseButton> for ButtonState {
type Output = bool;
fn index(&self, index: CGMouseButton) -> &Self::Output {
match index {
CGMouseButton::Left => &self.left,
CGMouseButton::Right => &self.right,
CGMouseButton::Center => &self.center,
}
}
}
impl IndexMut<CGMouseButton> for ButtonState {
fn index_mut(&mut self, index: CGMouseButton) -> &mut Self::Output {
match index {
CGMouseButton::Left => &mut self.left,
CGMouseButton::Right => &mut self.right,
CGMouseButton::Center => &mut self.center,
}
}
}
unsafe impl Send for MacOSEmulation {}
impl MacOSEmulation {
pub(crate) fn new() -> Result<Self, MacOSEmulationCreationError> {
let event_source = CGEventSource::new(CGEventSourceStateID::CombinedSessionState)
.map_err(|_| MacOSEmulationCreationError::EventSourceCreation)?;
let button_state = ButtonState {
left: false,
right: false,
center: false,
};
Ok(Self {
event_source,
button_state,
repeat_task: None,
notify_repeat_task: Arc::new(Notify::new()),
modifier_state: Rc::new(Cell::new(XMods::empty())),
})
}
fn get_mouse_location(&self) -> Option<CGPoint> {
let event: CGEvent = CGEvent::new(self.event_source.clone()).ok()?;
Some(event.location())
}
async fn spawn_repeat_task(&mut self, key: u16) {
// there can only be one repeating key and it's
// always the last to be pressed
self.cancel_repeat_task().await;
let event_source = self.event_source.clone();
let notify = self.notify_repeat_task.clone();
let modifiers = self.modifier_state.clone();
let repeat_task = tokio::task::spawn_local(async move {
let stop = tokio::select! {
_ = tokio::time::sleep(DEFAULT_REPEAT_DELAY) => false,
_ = notify.notified() => true,
};
if !stop {
loop {
key_event(event_source.clone(), key, 1, modifiers.get());
tokio::select! {
_ = tokio::time::sleep(DEFAULT_REPEAT_INTERVAL) => {},
_ = notify.notified() => break,
}
}
}
// release key when cancelled
update_modifiers(&modifiers, key as u32, 0);
key_event(event_source.clone(), key, 0, modifiers.get());
});
self.repeat_task = Some(repeat_task);
}
async fn cancel_repeat_task(&mut self) {
if let Some(task) = self.repeat_task.take() {
self.notify_repeat_task.notify_waiters();
let _ = task.await;
}
}
}
fn key_event(event_source: CGEventSource, key: u16, state: u8, modifiers: XMods) {
let event = match CGEvent::new_keyboard_event(event_source, key, state != 0) {
Ok(e) => e,
Err(_) => {
log::warn!("unable to create key event");
return;
}
};
event.set_flags(to_cgevent_flags(modifiers));
event.post(CGEventTapLocation::HID);
log::trace!("key event: {key} {state}");
}
fn modifier_event(event_source: CGEventSource, depressed: XMods) {
let Ok(event) = CGEvent::new(event_source) else {
log::warn!("could not create CGEvent");
return;
};
let flags = to_cgevent_flags(depressed);
event.set_type(CGEventType::FlagsChanged);
event.set_flags(flags);
event.post(CGEventTapLocation::HID);
log::trace!("modifiers updated: {depressed:?}");
}
fn get_display_at_point(x: CGFloat, y: CGFloat) -> Option<CGDirectDisplayID> {
let mut displays: [CGDirectDisplayID; 16] = [0; 16];
let mut display_count: u32 = 0;
let rect = CGRect::new(&CGPoint::new(x, y), &CGSize::new(0.0, 0.0));
let error = unsafe {
CGGetDisplaysWithRect(
rect,
1,
displays.as_mut_ptr(),
&mut display_count as *mut u32,
)
};
if error != 0 {
log::warn!("error getting displays at point ({}, {}): {}", x, y, error);
return Option::None;
}
if display_count == 0 {
log::debug!("no displays found at point ({}, {})", x, y);
return Option::None;
}
displays.first().copied()
}
fn get_display_bounds(display: CGDirectDisplayID) -> (CGFloat, CGFloat, CGFloat, CGFloat) {
unsafe {
let bounds = CGDisplayBounds(display);
let min_x = bounds.origin.x;
let max_x = bounds.origin.x + bounds.size.width;
let min_y = bounds.origin.y;
let max_y = bounds.origin.y + bounds.size.height;
(min_x as f64, min_y as f64, max_x as f64, max_y as f64)
}
}
fn clamp_to_screen_space(
current_x: CGFloat,
current_y: CGFloat,
dx: CGFloat,
dy: CGFloat,
) -> (CGFloat, CGFloat) {
// Check which display the mouse is currently on
// Determine what the location of the mouse would be after applying the move
// Get the display at the new location
// If the point is not on a display
// Clamp the mouse to the current display
// Else If the point is on a display
// Clamp the mouse to the new display
let current_display = match get_display_at_point(current_x, current_y) {
Some(display) => display,
None => {
log::warn!("could not get current display!");
return (current_x, current_y);
}
};
let new_x = current_x + dx;
let new_y = current_y + dy;
let final_display = get_display_at_point(new_x, new_y).unwrap_or(current_display);
let (min_x, min_y, max_x, max_y) = get_display_bounds(final_display);
(
new_x.clamp(min_x, max_x - 1.),
new_y.clamp(min_y, max_y - 1.),
)
}
#[async_trait]
impl Emulation for MacOSEmulation {
async fn consume(
&mut self,
event: Event,
_handle: EmulationHandle,
) -> Result<(), EmulationError> {
match event {
Event::Pointer(pointer_event) => match pointer_event {
PointerEvent::Motion { time: _, dx, dy } => {
let mut mouse_location = match self.get_mouse_location() {
Some(l) => l,
None => {
log::warn!("could not get mouse location!");
return Ok(());
}
};
let (new_mouse_x, new_mouse_y) =
clamp_to_screen_space(mouse_location.x, mouse_location.y, dx, dy);
mouse_location.x = new_mouse_x;
mouse_location.y = new_mouse_y;
let mut event_type = CGEventType::MouseMoved;
if self.button_state.left {
event_type = CGEventType::LeftMouseDragged
} else if self.button_state.right {
event_type = CGEventType::RightMouseDragged
} else if self.button_state.center {
event_type = CGEventType::OtherMouseDragged
};
let event = match CGEvent::new_mouse_event(
self.event_source.clone(),
event_type,
mouse_location,
CGMouseButton::Left,
) {
Ok(e) => e,
Err(_) => {
log::warn!("mouse event creation failed!");
return Ok(());
}
};
event.set_integer_value_field(EventField::MOUSE_EVENT_DELTA_X, dx as i64);
event.set_integer_value_field(EventField::MOUSE_EVENT_DELTA_Y, dy as i64);
event.post(CGEventTapLocation::HID);
}
PointerEvent::Button {
time: _,
button,
state,
} => {
let (event_type, mouse_button) = match (button, state) {
(b, 1) if b == input_event::BTN_LEFT => {
(CGEventType::LeftMouseDown, CGMouseButton::Left)
}
(b, 0) if b == input_event::BTN_LEFT => {
(CGEventType::LeftMouseUp, CGMouseButton::Left)
}
(b, 1) if b == input_event::BTN_RIGHT => {
(CGEventType::RightMouseDown, CGMouseButton::Right)
}
(b, 0) if b == input_event::BTN_RIGHT => {
(CGEventType::RightMouseUp, CGMouseButton::Right)
}
(b, 1) if b == input_event::BTN_MIDDLE => {
(CGEventType::OtherMouseDown, CGMouseButton::Center)
}
(b, 0) if b == input_event::BTN_MIDDLE => {
(CGEventType::OtherMouseUp, CGMouseButton::Center)
}
_ => {
log::warn!("invalid button event: {button},{state}");
return Ok(());
}
};
// store button state
self.button_state[mouse_button] = state == 1;
let location = self.get_mouse_location().unwrap();
let event = match CGEvent::new_mouse_event(
self.event_source.clone(),
event_type,
location,
mouse_button,
) {
Ok(e) => e,
Err(()) => {
log::warn!("mouse event creation failed!");
return Ok(());
}
};
event.post(CGEventTapLocation::HID);
}
PointerEvent::Axis {
time: _,
axis,
value,
} => {
let value = value as i32;
let (count, wheel1, wheel2, wheel3) = match axis {
0 => (1, value, 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
1 => (2, 0, value, 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
_ => {
log::warn!("invalid scroll event: {axis}, {value}");
return Ok(());
}
};
let event = match CGEvent::new_scroll_event(
self.event_source.clone(),
ScrollEventUnit::PIXEL,
count,
wheel1,
wheel2,
wheel3,
) {
Ok(e) => e,
Err(()) => {
log::warn!("scroll event creation failed!");
return Ok(());
}
};
event.post(CGEventTapLocation::HID);
}
PointerEvent::AxisDiscrete120 { axis, value } => {
let (count, wheel1, wheel2, wheel3) = match axis {
0 => (1, value, 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
1 => (2, 0, value, 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
_ => {
log::warn!("invalid scroll event: {axis}, {value}");
return Ok(());
}
};
let event = match CGEvent::new_scroll_event(
self.event_source.clone(),
ScrollEventUnit::PIXEL,
count,
wheel1,
wheel2,
wheel3,
) {
Ok(e) => e,
Err(()) => {
log::warn!("scroll event creation failed!");
return Ok(());
}
};
event.post(CGEventTapLocation::HID);
}
},
Event::Keyboard(keyboard_event) => match keyboard_event {
KeyboardEvent::Key {
time: _,
key,
state,
} => {
let code = match KeyMap::from_key_mapping(KeyMapping::Evdev(key as u16)) {
Ok(k) => k.mac as CGKeyCode,
Err(_) => {
log::warn!("unable to map key event");
return Ok(());
}
};
match state {
// pressed
1 => self.spawn_repeat_task(code).await,
_ => self.cancel_repeat_task().await,
}
update_modifiers(&self.modifier_state, key, state);
key_event(
self.event_source.clone(),
code,
state,
self.modifier_state.get(),
);
}
KeyboardEvent::Modifiers {
depressed,
latched,
locked,
group,
} => {
set_modifiers(&self.modifier_state, depressed, latched, locked, group);
modifier_event(self.event_source.clone(), self.modifier_state.get());
}
},
}
// FIXME
Ok(())
}
async fn create(&mut self, _handle: EmulationHandle) {}
async fn destroy(&mut self, _handle: EmulationHandle) {}
async fn terminate(&mut self) {}
}
fn update_modifiers(modifiers: &Cell<XMods>, key: u32, state: u8) -> bool {
if let Ok(key) = scancode::Linux::try_from(key) {
let mask = match key {
scancode::Linux::KeyLeftShift | scancode::Linux::KeyRightShift => XMods::ShiftMask,
scancode::Linux::KeyCapsLock => XMods::LockMask,
scancode::Linux::KeyLeftCtrl | scancode::Linux::KeyRightCtrl => XMods::ControlMask,
scancode::Linux::KeyLeftAlt | scancode::Linux::KeyRightalt => XMods::Mod1Mask,
scancode::Linux::KeyLeftMeta | scancode::Linux::KeyRightmeta => XMods::Mod4Mask,
_ => XMods::empty(),
};
// unchanged
if mask.is_empty() {
return false;
}
let mut mods = modifiers.get();
match state {
1 => mods.insert(mask),
_ => mods.remove(mask),
}
modifiers.set(mods);
true
} else {
false
}
}
fn set_modifiers(
active_modifiers: &Cell<XMods>,
depressed: u32,
latched: u32,
locked: u32,
group: u32,
) {
let depressed = XMods::from_bits(depressed).unwrap_or_default();
let _latched = XMods::from_bits(latched).unwrap_or_default();
let _locked = XMods::from_bits(locked).unwrap_or_default();
let _group = XMods::from_bits(group).unwrap_or_default();
// we only care about the depressed modifiers for now
active_modifiers.replace(depressed);
}
fn to_cgevent_flags(depressed: XMods) -> CGEventFlags {
let mut flags = CGEventFlags::empty();
if depressed.contains(XMods::ShiftMask) {
flags |= CGEventFlags::CGEventFlagShift;
}
if depressed.contains(XMods::LockMask) {
flags |= CGEventFlags::CGEventFlagAlphaShift;
}
if depressed.contains(XMods::ControlMask) {
flags |= CGEventFlags::CGEventFlagControl;
}
if depressed.contains(XMods::Mod1Mask) {
flags |= CGEventFlags::CGEventFlagAlternate;
}
if depressed.contains(XMods::Mod4Mask) {
flags |= CGEventFlags::CGEventFlagCommand;
}
flags
}
// From X11/X.h
bitflags! {
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
struct XMods: u32 {
const ShiftMask = (1<<0);
const LockMask = (1<<1);
const ControlMask = (1<<2);
const Mod1Mask = (1<<3);
const Mod2Mask = (1<<4);
const Mod3Mask = (1<<5);
const Mod4Mask = (1<<6);
const Mod5Mask = (1<<7);
}
}

View File

@@ -1,50 +1,46 @@
use crate::{
emulate::InputEmulation,
event::{KeyboardEvent, PointerEvent},
scancode,
use super::error::{EmulationError, WindowsEmulationCreationError};
use input_event::{
scancode, Event, KeyboardEvent, PointerEvent, BTN_BACK, BTN_FORWARD, BTN_LEFT, BTN_MIDDLE,
BTN_RIGHT,
};
use anyhow::Result;
use async_trait::async_trait;
use std::ops::BitOrAssign;
use std::time::Duration;
use tokio::task::AbortHandle;
use windows::Win32::UI::Input::KeyboardAndMouse::{SendInput, INPUT_0, KEYEVENTF_EXTENDEDKEY};
use windows::Win32::UI::Input::KeyboardAndMouse::{
SendInput, INPUT_0, KEYEVENTF_EXTENDEDKEY, MOUSEEVENTF_XDOWN, MOUSEEVENTF_XUP,
};
use windows::Win32::UI::Input::KeyboardAndMouse::{
INPUT, INPUT_KEYBOARD, INPUT_MOUSE, KEYBDINPUT, KEYEVENTF_KEYUP, KEYEVENTF_SCANCODE,
MOUSEEVENTF_HWHEEL, MOUSEEVENTF_LEFTDOWN, MOUSEEVENTF_LEFTUP, MOUSEEVENTF_MIDDLEDOWN,
MOUSEEVENTF_MIDDLEUP, MOUSEEVENTF_MOVE, MOUSEEVENTF_RIGHTDOWN, MOUSEEVENTF_RIGHTUP,
MOUSEEVENTF_WHEEL, MOUSEINPUT,
};
use windows::Win32::UI::WindowsAndMessaging::{XBUTTON1, XBUTTON2};
use crate::{
client::{ClientEvent, ClientHandle},
event::Event,
};
use super::{Emulation, EmulationHandle};
const DEFAULT_REPEAT_DELAY: Duration = Duration::from_millis(500);
const DEFAULT_REPEAT_INTERVAL: Duration = Duration::from_millis(32);
pub struct WindowsEmulation {
pub(crate) struct WindowsEmulation {
repeat_task: Option<AbortHandle>,
}
impl WindowsEmulation {
pub fn new() -> Result<Self> {
pub(crate) fn new() -> Result<Self, WindowsEmulationCreationError> {
Ok(Self { repeat_task: None })
}
}
#[async_trait]
impl InputEmulation for WindowsEmulation {
async fn consume(&mut self, event: Event, _: ClientHandle) {
impl Emulation for WindowsEmulation {
async fn consume(&mut self, event: Event, _: EmulationHandle) -> Result<(), EmulationError> {
match event {
Event::Pointer(pointer_event) => match pointer_event {
PointerEvent::Motion {
time: _,
relative_x,
relative_y,
} => {
rel_mouse(relative_x as i32, relative_y as i32);
PointerEvent::Motion { time: _, dx, dy } => {
rel_mouse(dx as i32, dy as i32);
}
PointerEvent::Button {
time: _,
@@ -55,8 +51,8 @@ impl InputEmulation for WindowsEmulation {
time: _,
axis,
value,
} => scroll(axis, value),
PointerEvent::Frame {} => {}
} => scroll(axis, value as i32),
PointerEvent::AxisDiscrete120 { axis, value } => scroll(axis, value),
},
Event::Keyboard(keyboard_event) => match keyboard_event {
KeyboardEvent::Key {
@@ -74,15 +70,16 @@ impl InputEmulation for WindowsEmulation {
}
KeyboardEvent::Modifiers { .. } => {}
},
_ => {}
}
// FIXME
Ok(())
}
async fn notify(&mut self, _: ClientEvent) {
// nothing to do
}
async fn create(&mut self, _handle: EmulationHandle) {}
async fn destroy(&mut self) {}
async fn destroy(&mut self, _handle: EmulationHandle) {}
async fn terminate(&mut self) {}
}
impl WindowsEmulation {
@@ -145,23 +142,32 @@ fn rel_mouse(dx: i32, dy: i32) {
fn mouse_button(button: u32, state: u32) {
let dw_flags = match state {
0 => match button {
0x110 => MOUSEEVENTF_LEFTUP,
0x111 => MOUSEEVENTF_RIGHTUP,
0x112 => MOUSEEVENTF_MIDDLEUP,
BTN_LEFT => MOUSEEVENTF_LEFTUP,
BTN_RIGHT => MOUSEEVENTF_RIGHTUP,
BTN_MIDDLE => MOUSEEVENTF_MIDDLEUP,
BTN_BACK => MOUSEEVENTF_XUP,
BTN_FORWARD => MOUSEEVENTF_XUP,
_ => return,
},
1 => match button {
0x110 => MOUSEEVENTF_LEFTDOWN,
0x111 => MOUSEEVENTF_RIGHTDOWN,
0x112 => MOUSEEVENTF_MIDDLEDOWN,
BTN_LEFT => MOUSEEVENTF_LEFTDOWN,
BTN_RIGHT => MOUSEEVENTF_RIGHTDOWN,
BTN_MIDDLE => MOUSEEVENTF_MIDDLEDOWN,
BTN_BACK => MOUSEEVENTF_XDOWN,
BTN_FORWARD => MOUSEEVENTF_XDOWN,
_ => return,
},
_ => return,
};
let mouse_data = match button {
BTN_BACK => XBUTTON1 as u32,
BTN_FORWARD => XBUTTON2 as u32,
_ => 0,
};
let mi = MOUSEINPUT {
dx: 0,
dy: 0, // no movement
mouseData: 0,
mouseData: mouse_data,
dwFlags: dw_flags,
time: 0,
dwExtraInfo: 0,
@@ -169,7 +175,7 @@ fn mouse_button(button: u32, state: u32) {
send_mouse_input(mi);
}
fn scroll(axis: u8, value: f64) {
fn scroll(axis: u8, value: i32) {
let event_type = match axis {
0 => MOUSEEVENTF_WHEEL,
1 => MOUSEEVENTF_HWHEEL,
@@ -178,7 +184,7 @@ fn scroll(axis: u8, value: f64) {
let mi = MOUSEINPUT {
dx: 0,
dy: 0,
mouseData: (-value * 15.0) as i32 as u32,
mouseData: -value as u32,
dwFlags: event_type,
time: 0,
dwExtraInfo: 0,

View File

@@ -0,0 +1,374 @@
use crate::error::EmulationError;
use super::{error::WlrootsEmulationCreationError, Emulation};
use async_trait::async_trait;
use bitflags::bitflags;
use std::collections::HashMap;
use std::io;
use std::os::fd::{AsFd, OwnedFd};
use std::sync::{Arc, Mutex};
use std::time::{SystemTime, UNIX_EPOCH};
use wayland_client::backend::WaylandError;
use wayland_client::WEnum;
use wayland_client::protocol::wl_keyboard::{self, WlKeyboard};
use wayland_client::protocol::wl_pointer::{Axis, ButtonState};
use wayland_client::protocol::wl_seat::WlSeat;
use wayland_protocols_wlr::virtual_pointer::v1::client::{
zwlr_virtual_pointer_manager_v1::ZwlrVirtualPointerManagerV1 as VpManager,
zwlr_virtual_pointer_v1::ZwlrVirtualPointerV1 as Vp,
};
use wayland_protocols_misc::zwp_virtual_keyboard_v1::client::{
zwp_virtual_keyboard_manager_v1::ZwpVirtualKeyboardManagerV1 as VkManager,
zwp_virtual_keyboard_v1::ZwpVirtualKeyboardV1 as Vk,
};
use wayland_client::{
delegate_noop,
globals::{registry_queue_init, GlobalListContents},
protocol::{wl_registry, wl_seat},
Connection, Dispatch, EventQueue, QueueHandle,
};
use input_event::{scancode, Event, KeyboardEvent, PointerEvent};
use super::error::WaylandBindError;
use super::EmulationHandle;
struct State {
keymap: Option<(u32, OwnedFd, u32)>,
input_for_client: HashMap<EmulationHandle, VirtualInput>,
seat: wl_seat::WlSeat,
qh: QueueHandle<Self>,
vpm: VpManager,
vkm: VkManager,
}
// App State, implements Dispatch event handlers
pub(crate) struct WlrootsEmulation {
last_flush_failed: bool,
state: State,
queue: EventQueue<State>,
}
impl WlrootsEmulation {
pub(crate) fn new() -> Result<Self, WlrootsEmulationCreationError> {
let conn = Connection::connect_to_env()?;
let (globals, queue) = registry_queue_init::<State>(&conn)?;
let qh = queue.handle();
let seat: wl_seat::WlSeat = globals
.bind(&qh, 7..=8, ())
.map_err(|e| WaylandBindError::new(e, "wl_seat 7..=8"))?;
let vpm: VpManager = globals
.bind(&qh, 1..=1, ())
.map_err(|e| WaylandBindError::new(e, "wlr-virtual-pointer-unstable-v1"))?;
let vkm: VkManager = globals
.bind(&qh, 1..=1, ())
.map_err(|e| WaylandBindError::new(e, "virtual-keyboard-unstable-v1"))?;
let input_for_client: HashMap<EmulationHandle, VirtualInput> = HashMap::new();
let mut emulate = WlrootsEmulation {
last_flush_failed: false,
state: State {
keymap: None,
input_for_client,
seat,
vpm,
vkm,
qh,
},
queue,
};
while emulate.state.keymap.is_none() {
emulate.queue.blocking_dispatch(&mut emulate.state)?;
}
// let fd = unsafe { &File::from_raw_fd(emulate.state.keymap.unwrap().1.as_raw_fd()) };
// let mmap = unsafe { MmapOptions::new().map_copy(fd).unwrap() };
// log::debug!("{:?}", &mmap[..100]);
Ok(emulate)
}
}
impl State {
fn add_client(&mut self, client: EmulationHandle) {
let pointer: Vp = self.vpm.create_virtual_pointer(None, &self.qh, ());
let keyboard: Vk = self.vkm.create_virtual_keyboard(&self.seat, &self.qh, ());
// TODO: use server side keymap
if let Some((format, fd, size)) = self.keymap.as_ref() {
keyboard.keymap(*format, fd.as_fd(), *size);
} else {
panic!("no keymap");
}
let vinput = VirtualInput {
pointer,
keyboard,
modifiers: Arc::new(Mutex::new(XMods::empty())),
};
self.input_for_client.insert(client, vinput);
}
fn destroy_client(&mut self, handle: EmulationHandle) {
if let Some(input) = self.input_for_client.remove(&handle) {
input.pointer.destroy();
input.keyboard.destroy();
}
}
}
#[async_trait]
impl Emulation for WlrootsEmulation {
async fn consume(
&mut self,
event: Event,
handle: EmulationHandle,
) -> Result<(), EmulationError> {
if let Some(virtual_input) = self.state.input_for_client.get(&handle) {
if self.last_flush_failed {
match self.queue.flush() {
Err(WaylandError::Io(e)) if e.kind() == io::ErrorKind::WouldBlock => {
/*
* outgoing buffer is full - sending more events
* will overwhelm the output buffer and leave the
* wayland connection in a broken state
*/
log::warn!("can't keep up, discarding event: ({handle}) - {event:?}");
return Ok(());
}
_ => {}
}
}
virtual_input
.consume_event(event)
.unwrap_or_else(|_| panic!("failed to convert event: {event:?}"));
match self.queue.flush() {
Err(WaylandError::Io(e)) if e.kind() == io::ErrorKind::WouldBlock => {
self.last_flush_failed = true;
log::warn!("can't keep up, discarding event: ({handle}) - {event:?}");
}
Err(WaylandError::Protocol(e)) => panic!("wayland protocol violation: {e}"),
Ok(()) => self.last_flush_failed = false,
Err(e) => Err(e)?,
}
}
Ok(())
}
async fn create(&mut self, handle: EmulationHandle) {
self.state.add_client(handle);
if let Err(e) = self.queue.flush() {
log::error!("{}", e);
}
}
async fn destroy(&mut self, handle: EmulationHandle) {
self.state.destroy_client(handle);
if let Err(e) = self.queue.flush() {
log::error!("{}", e);
}
}
async fn terminate(&mut self) {
/* nothing to do */
}
}
struct VirtualInput {
pointer: Vp,
keyboard: Vk,
modifiers: Arc<Mutex<XMods>>,
}
impl VirtualInput {
fn consume_event(&self, event: Event) -> Result<(), ()> {
let now: u32 = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_millis() as u32;
match event {
Event::Pointer(e) => {
match e {
PointerEvent::Motion { time, dx, dy } => self.pointer.motion(time, dx, dy),
PointerEvent::Button {
time,
button,
state,
} => {
let state: ButtonState = state.try_into()?;
self.pointer.button(time, button, state);
}
PointerEvent::Axis { time, axis, value } => {
let axis: Axis = (axis as u32).try_into()?;
self.pointer.axis(time, axis, value);
self.pointer.frame();
}
PointerEvent::AxisDiscrete120 { axis, value } => {
let axis: Axis = (axis as u32).try_into()?;
self.pointer
.axis_discrete(now, axis, value as f64 / 6., value / 120);
self.pointer.frame();
}
}
self.pointer.frame();
}
Event::Keyboard(e) => match e {
KeyboardEvent::Key { time, key, state } => {
self.keyboard.key(time, key, state as u32);
if let Ok(mut mods) = self.modifiers.lock() {
if mods.update_by_key_event(key, state) {
log::trace!("Key triggers modifier change: {:?}", mods);
self.keyboard.modifiers(
mods.mask_pressed().bits(),
0,
mods.mask_locks().bits(),
0,
);
}
}
}
KeyboardEvent::Modifiers {
depressed: mods_depressed,
latched: mods_latched,
locked: mods_locked,
group,
} => {
// Synchronize internal modifier state, assuming server is authoritative
if let Ok(mut mods) = self.modifiers.lock() {
mods.update_by_mods_event(e);
}
self.keyboard
.modifiers(mods_depressed, mods_latched, mods_locked, group);
}
},
}
Ok(())
}
}
delegate_noop!(State: Vp);
delegate_noop!(State: Vk);
delegate_noop!(State: VpManager);
delegate_noop!(State: VkManager);
impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for State {
fn event(
_: &mut State,
_: &wl_registry::WlRegistry,
_: wl_registry::Event,
_: &GlobalListContents,
_: &Connection,
_: &QueueHandle<State>,
) {
}
}
impl Dispatch<WlKeyboard, ()> for State {
fn event(
state: &mut Self,
_: &WlKeyboard,
event: <WlKeyboard as wayland_client::Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
if let wl_keyboard::Event::Keymap { format, fd, size } = event {
state.keymap = Some((u32::from(format), fd, size));
}
}
}
impl Dispatch<WlSeat, ()> for State {
fn event(
_: &mut Self,
seat: &WlSeat,
event: <WlSeat as wayland_client::Proxy>::Event,
_: &(),
_: &Connection,
qhandle: &QueueHandle<Self>,
) {
if let wl_seat::Event::Capabilities {
capabilities: WEnum::Value(capabilities),
} = event
{
if capabilities.contains(wl_seat::Capability::Keyboard) {
seat.get_keyboard(qhandle, ());
}
}
}
}
// From X11/X.h
bitflags! {
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
struct XMods: u32 {
const ShiftMask = (1<<0);
const LockMask = (1<<1);
const ControlMask = (1<<2);
const Mod1Mask = (1<<3);
const Mod2Mask = (1<<4);
const Mod3Mask = (1<<5);
const Mod4Mask = (1<<6);
const Mod5Mask = (1<<7);
}
}
impl XMods {
fn update_by_mods_event(&mut self, evt: KeyboardEvent) {
if let KeyboardEvent::Modifiers {
depressed, locked, ..
} = evt
{
*self = XMods::from_bits_truncate(depressed) | XMods::from_bits_truncate(locked);
}
}
fn update_by_key_event(&mut self, key: u32, state: u8) -> bool {
if let Ok(key) = scancode::Linux::try_from(key) {
log::trace!("Attempting to process modifier from: {:#?}", key);
let pressed_mask = match key {
scancode::Linux::KeyLeftShift | scancode::Linux::KeyRightShift => XMods::ShiftMask,
scancode::Linux::KeyLeftCtrl | scancode::Linux::KeyRightCtrl => XMods::ControlMask,
scancode::Linux::KeyLeftAlt | scancode::Linux::KeyRightalt => XMods::Mod1Mask,
scancode::Linux::KeyLeftMeta | scancode::Linux::KeyRightmeta => XMods::Mod4Mask,
_ => XMods::empty(),
};
let locked_mask = match key {
scancode::Linux::KeyCapsLock => XMods::LockMask,
scancode::Linux::KeyNumlock => XMods::Mod2Mask,
scancode::Linux::KeyScrollLock => XMods::Mod3Mask,
_ => XMods::empty(),
};
// unchanged
if pressed_mask.is_empty() && locked_mask.is_empty() {
log::trace!("{:#?} is not a modifier key", key);
return false;
}
match state {
1 => self.insert(pressed_mask),
_ => {
self.remove(pressed_mask);
self.toggle(locked_mask);
}
}
true
} else {
false
}
}
fn mask_locks(&self) -> XMods {
*self & (XMods::LockMask | XMods::Mod2Mask | XMods::Mod3Mask)
}
fn mask_pressed(&self) -> XMods {
*self & (XMods::ShiftMask | XMods::ControlMask | XMods::Mod1Mask | XMods::Mod4Mask)
}
}

View File

@@ -1,4 +1,3 @@
use anyhow::{anyhow, Result};
use async_trait::async_trait;
use std::ptr;
use x11::{
@@ -6,26 +5,26 @@ use x11::{
xtest,
};
use crate::{
client::ClientHandle,
emulate::InputEmulation,
event::{
Event, KeyboardEvent, PointerEvent, BTN_BACK, BTN_FORWARD, BTN_LEFT, BTN_MIDDLE, BTN_RIGHT,
},
use input_event::{
Event, KeyboardEvent, PointerEvent, BTN_BACK, BTN_FORWARD, BTN_LEFT, BTN_MIDDLE, BTN_RIGHT,
};
pub struct X11Emulation {
use crate::error::EmulationError;
use super::{error::X11EmulationCreationError, Emulation, EmulationHandle};
pub(crate) struct X11Emulation {
display: *mut xlib::Display,
}
unsafe impl Send for X11Emulation {}
impl X11Emulation {
pub fn new() -> Result<Self> {
pub(crate) fn new() -> Result<Self, X11EmulationCreationError> {
let display = unsafe {
match xlib::XOpenDisplay(ptr::null()) {
d if d == ptr::null::<xlib::Display>() as *mut xlib::Display => {
Err(anyhow!("could not open display"))
Err(X11EmulationCreationError::OpenDisplay)
}
display => Ok(display),
}
@@ -100,16 +99,12 @@ impl Drop for X11Emulation {
}
#[async_trait]
impl InputEmulation for X11Emulation {
async fn consume(&mut self, event: Event, _: ClientHandle) {
impl Emulation for X11Emulation {
async fn consume(&mut self, event: Event, _: EmulationHandle) -> Result<(), EmulationError> {
match event {
Event::Pointer(pointer_event) => match pointer_event {
PointerEvent::Motion {
time: _,
relative_x,
relative_y,
} => {
self.relative_motion(relative_x as i32, relative_y as i32);
PointerEvent::Motion { time: _, dx, dy } => {
self.relative_motion(dx as i32, dy as i32);
}
PointerEvent::Button {
time: _,
@@ -125,7 +120,9 @@ impl InputEmulation for X11Emulation {
} => {
self.emulate_scroll(axis, value);
}
PointerEvent::Frame {} => {}
PointerEvent::AxisDiscrete120 { axis, value } => {
self.emulate_scroll(axis, value as f64);
}
},
Event::Keyboard(KeyboardEvent::Key {
time: _,
@@ -139,11 +136,19 @@ impl InputEmulation for X11Emulation {
unsafe {
xlib::XFlush(self.display);
}
// FIXME
Ok(())
}
async fn notify(&mut self, _: crate::client::ClientEvent) {
async fn create(&mut self, _: EmulationHandle) {
// for our purposes it does not matter what client sent the event
}
async fn destroy(&mut self) {}
async fn destroy(&mut self, _: EmulationHandle) {
// for our purposes it does not matter what client sent the event
}
async fn terminate(&mut self) {
/* nothing to do */
}
}

View File

@@ -0,0 +1,161 @@
use ashpd::{
desktop::{
remote_desktop::{Axis, DeviceType, KeyState, RemoteDesktop},
PersistMode, Session,
},
zbus::AsyncDrop,
};
use async_trait::async_trait;
use futures::FutureExt;
use input_event::{
Event::{Keyboard, Pointer},
KeyboardEvent, PointerEvent,
};
use crate::error::EmulationError;
use super::{error::XdpEmulationCreationError, Emulation, EmulationHandle};
pub(crate) struct DesktopPortalEmulation<'a> {
proxy: RemoteDesktop<'a>,
session: Session<'a, RemoteDesktop<'a>>,
}
impl<'a> DesktopPortalEmulation<'a> {
pub(crate) async fn new() -> Result<DesktopPortalEmulation<'a>, XdpEmulationCreationError> {
log::debug!("connecting to org.freedesktop.portal.RemoteDesktop portal ...");
let proxy = RemoteDesktop::new().await?;
// retry when user presses the cancel button
log::debug!("creating session ...");
let session = proxy.create_session().await?;
log::debug!("selecting devices ...");
proxy
.select_devices(
&session,
DeviceType::Keyboard | DeviceType::Pointer,
None,
PersistMode::ExplicitlyRevoked,
)
.await?;
log::info!("requesting permission for input emulation");
let _devices = proxy.start(&session, None).await?.response()?;
log::debug!("started session");
let session = session;
Ok(Self { proxy, session })
}
}
#[async_trait]
impl Emulation for DesktopPortalEmulation<'_> {
async fn consume(
&mut self,
event: input_event::Event,
_client: EmulationHandle,
) -> Result<(), EmulationError> {
match event {
Pointer(p) => match p {
PointerEvent::Motion { time: _, dx, dy } => {
self.proxy
.notify_pointer_motion(&self.session, dx, dy)
.await?;
}
PointerEvent::Button {
time: _,
button,
state,
} => {
let state = match state {
0 => KeyState::Released,
_ => KeyState::Pressed,
};
self.proxy
.notify_pointer_button(&self.session, button as i32, state)
.await?;
}
PointerEvent::AxisDiscrete120 { axis, value } => {
let axis = match axis {
0 => Axis::Vertical,
_ => Axis::Horizontal,
};
self.proxy
.notify_pointer_axis_discrete(&self.session, axis, value / 120)
.await?;
}
PointerEvent::Axis {
time: _,
axis,
value,
} => {
let axis = match axis {
0 => Axis::Vertical,
_ => Axis::Horizontal,
};
let (dx, dy) = match axis {
Axis::Vertical => (0., value),
Axis::Horizontal => (value, 0.),
};
self.proxy
.notify_pointer_axis(&self.session, dx, dy, true)
.await?;
}
},
Keyboard(k) => {
match k {
KeyboardEvent::Key {
time: _,
key,
state,
} => {
let state = match state {
0 => KeyState::Released,
_ => KeyState::Pressed,
};
self.proxy
.notify_keyboard_keycode(&self.session, key as i32, state)
.await?;
}
KeyboardEvent::Modifiers { .. } => {
// ignore
}
}
}
}
Ok(())
}
async fn create(&mut self, _client: EmulationHandle) {}
async fn destroy(&mut self, _client: EmulationHandle) {}
async fn terminate(&mut self) {
if let Err(e) = self.session.close().await {
log::warn!("session.close(): {e}");
};
if let Err(e) = self.session.receive_closed().await {
log::warn!("session.receive_closed(): {e}");
};
}
}
impl AsyncDrop for DesktopPortalEmulation<'_> {
#[doc = r" Perform the async cleanup."]
#[must_use]
#[allow(clippy::type_complexity, clippy::type_repetition_in_bounds)]
fn async_drop<'async_trait>(
self,
) -> ::core::pin::Pin<
Box<dyn ::core::future::Future<Output = ()> + ::core::marker::Send + 'async_trait>,
>
where
Self: 'async_trait,
{
async move {
let _ = self.session.close().await;
}
.boxed()
}
}

21
input-event/Cargo.toml Normal file
View File

@@ -0,0 +1,21 @@
[package]
name = "input-event"
description = "cross-platform input-event types for input-capture / input-emulation"
version = "0.3.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
futures-core = "0.3.30"
log = "0.4.22"
num_enum = "0.7.2"
serde = { version = "1.0", features = ["derive"] }
thiserror = "2.0.0"
[target.'cfg(all(unix, not(target_os="macos")))'.dependencies]
reis = { version = "0.4", optional = true }
[features]
default = ["libei"]
libei = ["dep:reis"]

1
input-event/src/error.rs Normal file
View File

@@ -0,0 +1 @@

119
input-event/src/lib.rs Normal file
View File

@@ -0,0 +1,119 @@
use std::fmt::{self, Display};
pub mod error;
pub mod scancode;
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
mod libei;
// FIXME
pub const BTN_LEFT: u32 = 0x110;
pub const BTN_RIGHT: u32 = 0x111;
pub const BTN_MIDDLE: u32 = 0x112;
pub const BTN_BACK: u32 = 0x113;
pub const BTN_FORWARD: u32 = 0x114;
#[derive(Debug, PartialEq, Clone, Copy)]
pub enum PointerEvent {
/// relative motion event
Motion { time: u32, dx: f64, dy: f64 },
/// mouse button event
Button { time: u32, button: u32, state: u32 },
/// axis event, scroll event for touchpads
Axis { time: u32, axis: u8, value: f64 },
/// discrete axis event, scroll event for mice - 120 = one scroll tick
AxisDiscrete120 { axis: u8, value: i32 },
}
#[derive(Debug, PartialEq, Clone, Copy)]
pub enum KeyboardEvent {
/// a key press / release event
Key { time: u32, key: u32, state: u8 },
/// modifiers changed state
Modifiers {
depressed: u32,
latched: u32,
locked: u32,
group: u32,
},
}
#[derive(PartialEq, Debug, Clone, Copy)]
pub enum Event {
/// pointer event (motion / button / axis)
Pointer(PointerEvent),
/// keyboard events (key / modifiers)
Keyboard(KeyboardEvent),
}
impl Display for PointerEvent {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
PointerEvent::Motion { time: _, dx, dy } => write!(f, "motion({dx},{dy})"),
PointerEvent::Button {
time: _,
button,
state,
} => {
let str = match *button {
BTN_LEFT => Some("left"),
BTN_RIGHT => Some("right"),
BTN_MIDDLE => Some("middle"),
BTN_FORWARD => Some("forward"),
BTN_BACK => Some("back"),
_ => None,
};
if let Some(button) = str {
write!(f, "button({button}, {state})")
} else {
write!(f, "button({button}, {state}")
}
}
PointerEvent::Axis {
time: _,
axis,
value,
} => write!(f, "scroll({axis}, {value})"),
PointerEvent::AxisDiscrete120 { axis, value } => {
write!(f, "scroll-120 ({axis}, {value})")
}
}
}
}
impl Display for KeyboardEvent {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
KeyboardEvent::Key {
time: _,
key,
state,
} => {
let scan = scancode::Linux::try_from(*key);
if let Ok(scan) = scan {
write!(f, "key({scan:?}, {state})")
} else {
write!(f, "key({key}, {state})")
}
}
KeyboardEvent::Modifiers {
depressed: mods_depressed,
latched: mods_latched,
locked: mods_locked,
group,
} => write!(
f,
"modifiers({mods_depressed},{mods_latched},{mods_locked},{group})"
),
}
}
}
impl Display for Event {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Event::Pointer(p) => write!(f, "{}", p),
Event::Keyboard(k) => write!(f, "{}", k),
}
}
}

146
input-event/src/libei.rs Normal file
View File

@@ -0,0 +1,146 @@
use reis::{
ei::{button::ButtonState, keyboard::KeyState},
event::EiEvent,
};
use crate::{Event, KeyboardEvent, PointerEvent};
impl Event {
pub fn from_ei_event(ei_event: EiEvent) -> impl Iterator<Item = Self> {
to_input_events(ei_event).into_iter()
}
}
enum Events {
None,
One(Event),
Two(Event, Event),
}
impl Events {
fn into_iter(self) -> impl Iterator<Item = Event> {
EventIterator::new(self)
}
}
struct EventIterator {
events: [Option<Event>; 2],
pos: usize,
}
impl EventIterator {
fn new(events: Events) -> Self {
let events = match events {
Events::None => [None, None],
Events::One(e) => [Some(e), None],
Events::Two(e, f) => [Some(e), Some(f)],
};
Self { events, pos: 0 }
}
}
impl Iterator for EventIterator {
type Item = Event;
fn next(&mut self) -> Option<Self::Item> {
let res = if self.pos >= self.events.len() {
None
} else {
self.events[self.pos]
};
self.pos += 1;
res
}
}
fn to_input_events(ei_event: EiEvent) -> Events {
match ei_event {
EiEvent::KeyboardModifiers(mods) => {
let modifier_event = KeyboardEvent::Modifiers {
depressed: mods.depressed,
latched: mods.latched,
locked: mods.locked,
group: mods.group,
};
Events::One(Event::Keyboard(modifier_event))
}
EiEvent::Frame(_) => Events::None, /* FIXME */
EiEvent::PointerMotion(motion) => {
let motion_event = PointerEvent::Motion {
time: motion.time as u32,
dx: motion.dx as f64,
dy: motion.dy as f64,
};
Events::One(Event::Pointer(motion_event))
}
EiEvent::PointerMotionAbsolute(_) => Events::None,
EiEvent::Button(button) => {
let button_event = PointerEvent::Button {
time: button.time as u32,
button: button.button,
state: match button.state {
ButtonState::Released => 0,
ButtonState::Press => 1,
},
};
Events::One(Event::Pointer(button_event))
}
EiEvent::ScrollDelta(delta) => {
let dy = Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 0,
value: delta.dy as f64,
});
let dx = Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 1,
value: delta.dx as f64,
});
if delta.dy != 0. && delta.dx != 0. {
Events::Two(dy, dx)
} else if delta.dy != 0. {
Events::One(dy)
} else if delta.dx != 0. {
Events::One(dx)
} else {
Events::None
}
}
EiEvent::ScrollStop(_) => Events::None, /* TODO */
EiEvent::ScrollCancel(_) => Events::None, /* TODO */
EiEvent::ScrollDiscrete(scroll) => {
let dy = Event::Pointer(PointerEvent::AxisDiscrete120 {
axis: 0,
value: scroll.discrete_dy,
});
let dx = Event::Pointer(PointerEvent::AxisDiscrete120 {
axis: 1,
value: scroll.discrete_dx,
});
if scroll.discrete_dy != 0 && scroll.discrete_dx != 0 {
Events::Two(dy, dx)
} else if scroll.discrete_dy != 0 {
Events::One(dy)
} else if scroll.discrete_dx != 0 {
Events::One(dx)
} else {
Events::None
}
}
EiEvent::KeyboardKey(key) => {
let key_event = KeyboardEvent::Key {
key: key.key,
state: match key.state {
KeyState::Press => 1,
KeyState::Released => 0,
},
time: key.time as u32,
};
Events::One(Event::Keyboard(key_event))
}
EiEvent::TouchDown(_) => Events::None, /* TODO */
EiEvent::TouchUp(_) => Events::None, /* TODO */
EiEvent::TouchMotion(_) => Events::None, /* TODO */
_ => Events::None,
}
}

View File

@@ -1,10 +1,13 @@
use num_enum::TryFromPrimitive;
use serde::{Deserialize, Serialize};
/*
* https://learn.microsoft.com/en-us/windows/win32/inputdev/about-keyboard-input
* https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf
* https://kbd-project.org/docs/scancodes/scancodes-1.html
*/
#[repr(u32)]
#[derive(Debug, Clone, Copy)]
#[derive(Debug, Clone, Copy, TryFromPrimitive)]
pub enum Windows {
Shutdown = 0xE05E,
SystemSleep = 0xE05F,
@@ -119,15 +122,15 @@ pub enum Windows {
KeyF21 = 0x006C,
KeyF22 = 0x006D,
KeyF23 = 0x006E,
KeyF24 = 0x0076,
KeyF24 = 0x0076, // KeyLANG5
KeypadComma = 0x007E,
KeyInternational1 = 0x0073,
KeyInternational2 = 0x0070,
KeyInternational3 = 0x007D,
KeyInternational3 = 0x007D, // typo in doc -> its Int'l 3 not Int'l 2
#[allow(dead_code)]
KeyInternational4 = 0x0079, // FIXME unused
KeyInternational4 = 0x0079,
#[allow(dead_code)]
KeyInternational5 = 0x007B, // FIXME unused
KeyInternational5 = 0x007B,
// KeyInternational6 = 0x005C,
KeyLANG1 = 0x0072,
KeyLANG2 = 0x0071,
@@ -140,6 +143,7 @@ pub enum Windows {
KeyLeftGUI = 0xE05B,
KeyRightCtrl = 0xE01D,
KeyRightShift = 0x0036,
KeyFakeRightShift = 0xE036,
KeyRightAlt = 0xE038,
KeyRightGUI = 0xE05C,
KeyScanNextTrack = 0xE019,
@@ -167,7 +171,7 @@ pub enum Windows {
* https://github.com/torvalds/linux/blob/master/include/uapi/linux/input-event-codes.h
*/
#[repr(u32)]
#[derive(Serialize, Deserialize, Debug, Clone, Copy, Eq, Hash, PartialEq)]
#[derive(Serialize, Deserialize, Debug, Clone, Copy, Eq, Hash, PartialEq, TryFromPrimitive)]
#[allow(dead_code)]
pub enum Linux {
KeyReserved = 0,
@@ -292,7 +296,7 @@ pub enum Linux {
KeyPause = 119,
KeyScale = 120, /* AL Compiz Scale (Expose) */
KeyKpcomma = 121,
KeyHangeul = 122,
KeyHanguel = 122,
// KEY_HANGUEL = KeyHangeul,
KeyHanja = 123,
KeyYen = 124,
@@ -428,18 +432,6 @@ pub enum Linux {
KeyCount = 249,
}
impl TryFrom<u32> for Linux {
type Error = ();
fn try_from(value: u32) -> Result<Self, Self::Error> {
if value >= Self::KeyCount as u32 {
return Err(());
}
let code: Linux = unsafe { std::mem::transmute(value) };
Ok(code)
}
}
impl TryFrom<Linux> for Windows {
type Error = ();
@@ -529,16 +521,16 @@ impl TryFrom<Linux> for Windows {
Linux::KeyKp3 => Ok(Self::Keypad3PageDn),
Linux::KeyKp0 => Ok(Self::Keypad0Insert),
Linux::KeyKpDot => Ok(Self::KeypadDot),
Linux::KeyZenkakuhankaku => Ok(Self::KeyLANG1), // TODO unsure
Linux::Key102nd => Ok(Self::KeyNonUSSlashBar), // TODO unsure
Linux::KeyZenkakuhankaku => Ok(Self::KeyF24), // KeyLANG5
Linux::Key102nd => Ok(Self::KeyNonUSSlashBar), // TODO unsure
Linux::KeyF11 => Ok(Self::KeyF11),
Linux::KeyF12 => Ok(Self::KeyF12),
Linux::KeyRo => Ok(Self::ErrorRollOver), // TODO unsure
Linux::KeyKatakana => Ok(Self::KeyLANG1), // TODO unsure
Linux::KeyHiragana => Ok(Self::KeyLANG2), // TODO unsure
Linux::KeyHenkan => Ok(Self::KeyLANG3), // TODO unsure
Linux::KeyKatakanahiragana => Ok(Self::KeyLANG4), // TODO unsure
Linux::KeyMuhenkan => Ok(Self::KeyLANG4), // TODO unsure
Linux::KeyRo => Ok(Self::KeyInternational1),
Linux::KeyKatakana => Ok(Self::KeyLANG3),
Linux::KeyHiragana => Ok(Self::KeyLANG4),
Linux::KeyHenkan => Ok(Self::KeyInternational4),
Linux::KeyKatakanahiragana => Ok(Self::KeyInternational2),
Linux::KeyMuhenkan => Ok(Self::KeyInternational5),
Linux::KeyKpJpComma => Ok(Self::KeypadComma),
Linux::KeyKpEnter => Ok(Self::KeypadEnter),
Linux::KeyRightCtrl => Ok(Self::KeyRightCtrl),
@@ -566,9 +558,9 @@ impl TryFrom<Linux> for Windows {
Linux::KeyPause => Ok(Self::KeyPause),
Linux::KeyScale => Err(()), // TODO
Linux::KeyKpcomma => Ok(Self::KeypadComma),
Linux::KeyHangeul => Ok(Self::KeyInternational1), // TODO unsure
Linux::KeyHanja => Ok(Self::KeyInternational2), // TODO unsure
Linux::KeyYen => Ok(Self::KeyInternational3), // TODO unsure
Linux::KeyHanguel => Ok(Self::KeyLANG1), // FIXME should be 00F2?
Linux::KeyHanja => Ok(Self::KeyLANG2), // FIXME should be 00F1?
Linux::KeyYen => Ok(Self::KeyInternational3),
Linux::KeyLeftMeta => Ok(Self::KeyLeftGUI),
Linux::KeyRightmeta => Ok(Self::KeyRightGUI),
Linux::KeyCompose => Ok(Self::KeyApplication),
@@ -698,3 +690,162 @@ impl TryFrom<Linux> for Windows {
}
}
}
impl TryFrom<Windows> for Linux {
type Error = ();
fn try_from(value: Windows) -> Result<Self, Self::Error> {
match value {
Windows::Shutdown => Ok(Self::KeyPower),
Windows::SystemSleep => Ok(Self::KeySleep),
Windows::SystemWakeUp => Ok(Self::KeyWakeup),
Windows::ErrorRollOver => Ok(Self::KeyRo),
Windows::KeyA => Ok(Self::KeyA),
Windows::KeyB => Ok(Self::KeyB),
Windows::KeyC => Ok(Self::KeyC),
Windows::KeyD => Ok(Self::KeyD),
Windows::KeyE => Ok(Self::KeyE),
Windows::KeyF => Ok(Self::KeyF),
Windows::KeyG => Ok(Self::KeyG),
Windows::KeyH => Ok(Self::KeyH),
Windows::KeyI => Ok(Self::KeyI),
Windows::KeyJ => Ok(Self::KeyJ),
Windows::KeyK => Ok(Self::KeyK),
Windows::KeyL => Ok(Self::KeyL),
Windows::KeyM => Ok(Self::KeyM),
Windows::KeyN => Ok(Self::KeyN),
Windows::KeyO => Ok(Self::KeyO),
Windows::KeyP => Ok(Self::KeyP),
Windows::KeyQ => Ok(Self::KeyQ),
Windows::KeyR => Ok(Self::KeyR),
Windows::KeyS => Ok(Self::KeyS),
Windows::KeyT => Ok(Self::KeyT),
Windows::KeyU => Ok(Self::KeyU),
Windows::KeyV => Ok(Self::KeyV),
Windows::KeyW => Ok(Self::KeyW),
Windows::KeyX => Ok(Self::KeyX),
Windows::KeyY => Ok(Self::KeyY),
Windows::KeyZ => Ok(Self::KeyZ),
Windows::Key1 => Ok(Self::Key1),
Windows::Key2 => Ok(Self::Key2),
Windows::Key3 => Ok(Self::Key3),
Windows::Key4 => Ok(Self::Key4),
Windows::Key5 => Ok(Self::Key5),
Windows::Key6 => Ok(Self::Key6),
Windows::Key7 => Ok(Self::Key7),
Windows::Key8 => Ok(Self::Key8),
Windows::Key9 => Ok(Self::Key9),
Windows::Key0 => Ok(Self::Key0),
Windows::KeyEnter => Ok(Self::KeyEnter),
Windows::KeyEsc => Ok(Self::KeyEsc),
Windows::KeyDelete => Ok(Self::KeyBackspace),
Windows::KeyTab => Ok(Self::KeyTab),
Windows::KeySpace => Ok(Self::KeySpace),
Windows::KeyMinus => Ok(Self::KeyMinus),
Windows::KeyEqual => Ok(Self::KeyEqual),
Windows::KeyLeftBrace => Ok(Self::KeyLeftbrace),
Windows::KeyRightBrace => Ok(Self::KeyRightbrace),
Windows::KeyBackslash => Ok(Self::KeyBackslash),
Windows::KeySemiColon => Ok(Self::KeySemicolon),
Windows::KeyApostrophe => Ok(Self::KeyApostrophe),
Windows::KeyGrave => Ok(Self::KeyGrave),
Windows::KeyComma => Ok(Self::KeyComma),
Windows::KeyDot => Ok(Self::KeyDot),
Windows::KeySlash => Ok(Self::KeySlash),
Windows::KeyCapsLock => Ok(Self::KeyCapsLock),
Windows::KeyF1 => Ok(Self::KeyF1),
Windows::KeyF2 => Ok(Self::KeyF2),
Windows::KeyF3 => Ok(Self::KeyF3),
Windows::KeyF4 => Ok(Self::KeyF4),
Windows::KeyF5 => Ok(Self::KeyF5),
Windows::KeyF6 => Ok(Self::KeyF6),
Windows::KeyF7 => Ok(Self::KeyF7),
Windows::KeyF8 => Ok(Self::KeyF8),
Windows::KeyF9 => Ok(Self::KeyF9),
Windows::KeyF10 => Ok(Self::KeyF10),
Windows::KeyF11 => Ok(Self::KeyF11),
Windows::KeyF12 => Ok(Self::KeyF12),
Windows::KeyPrintScreen => Ok(Self::KeySysrq),
Windows::KeyScrollLock => Ok(Self::KeyScrollLock),
Windows::KeyPause => Ok(Self::KeyPause),
Windows::KeyInsert => Ok(Self::KeyInsert),
Windows::KeyHome => Ok(Self::KeyHome),
Windows::KeyPageUp => Ok(Self::KeyPageup),
Windows::KeyDeleteForward => Ok(Self::KeyDelete),
Windows::KeyEnd => Ok(Self::KeyEnd),
Windows::KeyPageDown => Ok(Self::KeyPagedown),
Windows::KeyRight => Ok(Self::KeyRight),
Windows::KeyLeft => Ok(Self::KeyLeft),
Windows::KeyDown => Ok(Self::KeyDown),
Windows::KeyUp => Ok(Self::KeyUp),
Windows::KeypadNumLock => Ok(Self::KeyNumlock),
Windows::KeypadSlash => Ok(Self::KeyKpslash),
Windows::KeypadStar => Ok(Self::KeyKpAsterisk),
Windows::KeypadDash => Ok(Self::KeyKpMinus),
Windows::KeypadPlus => Ok(Self::KeyKpplus),
Windows::KeypadEnter => Ok(Self::KeyKpEnter),
Windows::Keypad1End => Ok(Self::KeyKp1),
Windows::Keypad2DownArrow => Ok(Self::KeyKp2),
Windows::Keypad3PageDn => Ok(Self::KeyKp3),
Windows::Keypad4LeftArrow => Ok(Self::KeyKp4),
Windows::Keypad5 => Ok(Self::KeyKp5),
Windows::Keypad6RightArrow => Ok(Self::KeyKp6),
Windows::Keypad7Home => Ok(Self::KeyKp7),
Windows::Keypad8UpArrow => Ok(Self::KeyKp8),
Windows::Keypad9PageUp => Ok(Self::KeyKp9),
Windows::Keypad0Insert => Ok(Self::KeyKp0),
Windows::KeypadDot => Ok(Self::KeyKpDot),
Windows::KeyNonUSSlashBar => Ok(Self::Key102nd),
Windows::KeyApplication => Ok(Self::KeyMenu),
Windows::KeypadEquals => Ok(Self::KeyKpequal),
Windows::KeyF13 => Ok(Self::KeyF13),
Windows::KeyF14 => Ok(Self::KeyF14),
Windows::KeyF15 => Ok(Self::KeyF15),
Windows::KeyF16 => Ok(Self::KeyF16),
Windows::KeyF17 => Ok(Self::KeyF17),
Windows::KeyF18 => Ok(Self::KeyF18),
Windows::KeyF19 => Ok(Self::KeyF19),
Windows::KeyF20 => Ok(Self::KeyF20),
Windows::KeyF21 => Ok(Self::KeyF21),
Windows::KeyF22 => Ok(Self::KeyF22),
Windows::KeyF23 => Ok(Self::KeyF23),
Windows::KeyF24 => Ok(Self::KeyF24),
Windows::KeypadComma => Ok(Self::KeyKpcomma),
Windows::KeyInternational1 => Ok(Self::KeyRo),
Windows::KeyInternational2 => Ok(Self::KeyKatakanahiragana),
Windows::KeyInternational3 => Ok(Self::KeyYen),
Windows::KeyInternational4 => Ok(Self::KeyHenkan),
Windows::KeyInternational5 => Ok(Self::KeyMuhenkan),
Windows::KeyLANG1 => Ok(Self::KeyHanguel),
Windows::KeyLANG2 => Ok(Self::KeyHanja),
Windows::KeyLANG3 => Ok(Self::KeyKatakana),
Windows::KeyLANG4 => Ok(Self::KeyHiragana),
Windows::KeyLeftCtrl => Ok(Self::KeyLeftCtrl),
Windows::KeyLeftShift => Ok(Self::KeyLeftShift),
Windows::KeyLeftAlt => Ok(Self::KeyLeftAlt),
Windows::KeyLeftGUI => Ok(Self::KeyLeftMeta),
Windows::KeyRightCtrl => Ok(Self::KeyRightCtrl),
Windows::KeyRightShift => Ok(Self::KeyRightShift),
Windows::KeyFakeRightShift => Ok(Self::KeyRightShift),
Windows::KeyRightAlt => Ok(Self::KeyRightalt),
Windows::KeyRightGUI => Ok(Self::KeyRightmeta),
Windows::KeyScanNextTrack => Ok(Self::KeyNextsong),
Windows::KeyScanPreviousTrack => Ok(Self::KeyPrevioussong),
Windows::KeyStop => Ok(Self::KeyStopcd),
Windows::KeyPlayPause => Ok(Self::KeyPlaypause),
Windows::KeyMute => Ok(Self::KeyMute),
Windows::KeyVolumeUp => Ok(Self::KeyVolumeUp),
Windows::KeyVolumeDown => Ok(Self::KeyVolumeDown),
Windows::ALConsumerControlConfiguration => Err(()),
Windows::ALEmailReader => Ok(Self::KeyMail),
Windows::ALCalculator => Ok(Self::KeyCalc),
Windows::ALLocalMachineBrowser => Ok(Self::KeyFile),
Windows::ACSearch => Ok(Self::KeyWww),
Windows::ACHome => Ok(Self::KeyHomepage),
Windows::ACBack => Ok(Self::KeyBack),
Windows::ACForward => Ok(Self::KeyForward),
Windows::ACStop => Ok(Self::KeyStop),
Windows::ACRefresh => Ok(Self::KeyRefresh),
Windows::ACBookmarks => Ok(Self::KeyBookmarks),
}
}
}

20
lan-mouse-cli/Cargo.toml Normal file
View File

@@ -0,0 +1,20 @@
[package]
name = "lan-mouse-cli"
description = "CLI Frontend for lan-mouse"
version = "0.2.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
futures = "0.3.30"
lan-mouse-ipc = { path = "../lan-mouse-ipc", version = "0.2.0" }
clap = { version = "4.4.11", features = ["derive"] }
thiserror = "2.0.0"
tokio = { version = "1.32.0", features = [
"io-util",
"io-std",
"macros",
"net",
"rt",
] }

167
lan-mouse-cli/src/lib.rs Normal file
View File

@@ -0,0 +1,167 @@
use clap::{Args, Parser, Subcommand};
use futures::StreamExt;
use std::{net::IpAddr, time::Duration};
use thiserror::Error;
use lan_mouse_ipc::{
connect_async, ClientHandle, ConnectionError, FrontendEvent, FrontendRequest, IpcError,
Position,
};
#[derive(Debug, Error)]
pub enum CliError {
/// is the service running?
#[error("could not connect: `{0}` - is the service running?")]
ServiceNotRunning(#[from] ConnectionError),
#[error("error communicating with service: {0}")]
Ipc(#[from] IpcError),
}
#[derive(Parser, Clone, Debug, PartialEq, Eq)]
#[command(name = "lan-mouse-cli", about = "LanMouse CLI interface")]
pub struct CliArgs {
#[command(subcommand)]
command: CliSubcommand,
}
#[derive(Args, Clone, Debug, PartialEq, Eq)]
struct Client {
#[arg(long)]
hostname: Option<String>,
#[arg(long)]
port: Option<u16>,
#[arg(long)]
ips: Option<Vec<IpAddr>>,
#[arg(long)]
enter_hook: Option<String>,
}
#[derive(Clone, Subcommand, Debug, PartialEq, Eq)]
enum CliSubcommand {
/// add a new client
AddClient(Client),
/// remove an existing client
RemoveClient { id: ClientHandle },
/// activate a client
Activate { id: ClientHandle },
/// deactivate a client
Deactivate { id: ClientHandle },
/// list configured clients
List,
/// change hostname
SetHost {
id: ClientHandle,
host: Option<String>,
},
/// change port
SetPort { id: ClientHandle, port: u16 },
/// set position
SetPosition { id: ClientHandle, pos: Position },
/// set ips
SetIps { id: ClientHandle, ips: Vec<IpAddr> },
/// re-enable capture
EnableCapture,
/// re-enable emulation
EnableEmulation,
/// authorize a public key
AuthorizeKey {
description: String,
sha256_fingerprint: String,
},
/// deauthorize a public key
RemoveAuthorizedKey { sha256_fingerprint: String },
}
pub async fn run(args: CliArgs) -> Result<(), CliError> {
execute(args.command).await?;
Ok(())
}
async fn execute(cmd: CliSubcommand) -> Result<(), CliError> {
let (mut rx, mut tx) = connect_async(Some(Duration::from_millis(500))).await?;
match cmd {
CliSubcommand::AddClient(Client {
hostname,
port,
ips,
enter_hook,
}) => {
tx.request(FrontendRequest::Create).await?;
while let Some(e) = rx.next().await {
if let FrontendEvent::Created(handle, _, _) = e? {
if let Some(hostname) = hostname {
tx.request(FrontendRequest::UpdateHostname(handle, Some(hostname)))
.await?;
}
if let Some(port) = port {
tx.request(FrontendRequest::UpdatePort(handle, port))
.await?;
}
if let Some(ips) = ips {
tx.request(FrontendRequest::UpdateFixIps(handle, ips))
.await?;
}
if let Some(enter_hook) = enter_hook {
tx.request(FrontendRequest::UpdateEnterHook(handle, Some(enter_hook)))
.await?;
}
break;
}
}
}
CliSubcommand::RemoveClient { id } => tx.request(FrontendRequest::Delete(id)).await?,
CliSubcommand::Activate { id } => tx.request(FrontendRequest::Activate(id, true)).await?,
CliSubcommand::Deactivate { id } => {
tx.request(FrontendRequest::Activate(id, false)).await?
}
CliSubcommand::List => {
tx.request(FrontendRequest::Enumerate()).await?;
while let Some(e) = rx.next().await {
if let FrontendEvent::Enumerate(clients) = e? {
for (handle, config, state) in clients {
let host = config.hostname.unwrap_or("unknown".to_owned());
let port = config.port;
let pos = config.pos;
let active = state.active;
let ips = state.ips;
println!(
"id {handle}: {host}:{port} ({pos}) active: {active}, ips: {ips:?}"
);
}
break;
}
}
}
CliSubcommand::SetHost { id, host } => {
tx.request(FrontendRequest::UpdateHostname(id, host))
.await?
}
CliSubcommand::SetPort { id, port } => {
tx.request(FrontendRequest::UpdatePort(id, port)).await?
}
CliSubcommand::SetPosition { id, pos } => {
tx.request(FrontendRequest::UpdatePosition(id, pos)).await?
}
CliSubcommand::SetIps { id, ips } => {
tx.request(FrontendRequest::UpdateFixIps(id, ips)).await?
}
CliSubcommand::EnableCapture => tx.request(FrontendRequest::EnableCapture).await?,
CliSubcommand::EnableEmulation => tx.request(FrontendRequest::EnableEmulation).await?,
CliSubcommand::AuthorizeKey {
description,
sha256_fingerprint,
} => {
tx.request(FrontendRequest::AuthorizeKey(
description,
sha256_fingerprint,
))
.await?
}
CliSubcommand::RemoveAuthorizedKey { sha256_fingerprint } => {
tx.request(FrontendRequest::RemoveAuthorizedKey(sha256_fingerprint))
.await?
}
}
Ok(())
}

19
lan-mouse-gtk/Cargo.toml Normal file
View File

@@ -0,0 +1,19 @@
[package]
name = "lan-mouse-gtk"
description = "GTK4 / Libadwaita Frontend for lan-mouse"
version = "0.2.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
gtk = { package = "gtk4", version = "0.9.0", features = ["v4_2"] }
adw = { package = "libadwaita", version = "0.7.0", features = ["v1_1"] }
async-channel = { version = "2.1.1" }
hostname = "0.4.0"
log = "0.4.20"
lan-mouse-ipc = { path = "../lan-mouse-ipc", version = "0.2.0" }
thiserror = "2.0.0"
[build-dependencies]
glib-build-tools = { version = "0.20.0" }

8
lan-mouse-gtk/build.rs Normal file
View File

@@ -0,0 +1,8 @@
fn main() {
// composite_templates
glib_build_tools::compile_resources(
&["resources"],
"resources/resources.gresource.xml",
"lan-mouse.gresource",
);
}

View File

@@ -0,0 +1,102 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk" version="4.0"/>
<requires lib="libadwaita" version="1.0"/>
<template class="AuthorizationWindow" parent="AdwWindow">
<property name="modal">True</property>
<property name="width-request">180</property>
<property name="default-width">180</property>
<property name="height-request">180</property>
<property name="default-height">180</property>
<property name="title" translatable="yes">Unauthorized Device</property>
<property name="content">
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="vexpand">True</property>
<child type="top">
<object class="AdwHeaderBar">
<style>
<class name="flat"/>
</style>
</object>
</child>
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">30</property>
<property name="margin-start">30</property>
<property name="margin-end">30</property>
<property name="margin-top">30</property>
<property name="margin-bottom">30</property>
<child>
<object class="GtkLabel">
<property name="label">An unauthorized Device is trying to connect. Do you want to authorize this Device?</property>
<property name="width-request">100</property>
<property name="wrap">word-wrap</property>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title">sha256 fingerprint</property>
<child>
<object class="AdwActionRow">
<property name="child">
<object class="GtkLabel" id="fingerprint">
<property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
<property name="vexpand">True</property>
<property name="hexpand">False</property>
<property name="wrap">True</property>
<property name="wrap-mode">word-char</property>
<property name="justify">center</property>
<property name="xalign">0.5</property>
<property name="margin-top">10</property>
<property name="margin-bottom">10</property>
<property name="margin-start">10</property>
<property name="margin-end">10</property>
<property name="width-chars">64</property>
</object>
</property>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkBox">
<property name="margin-start">30</property>
<property name="margin-end">30</property>
<property name="margin-top">30</property>
<property name="margin-bottom">30</property>
<property name="orientation">horizontal</property>
<property name="spacing">30</property>
<property name="hexpand">True</property>
<property name="vexpand">True</property>
<property name="valign">end</property>
<child>
<object class="GtkButton" id="cancel_button">
<signal name="clicked" handler="handle_cancel" swapped="true"/>
<property name="label" translatable="yes">Cancel</property>
<property name="can-shrink">True</property>
<property name="height-request">50</property>
<property name="hexpand">True</property>
</object>
</child>
<child>
<object class="GtkButton" id="confirm_button">
<signal name="clicked" handler="handle_confirm" swapped="true"/>
<property name="label" translatable="yes">Authorize</property>
<property name="can-shrink">True</property>
<property name="height-request">50</property>
<property name="hexpand">True</property>
<style>
<class name="destructive-action"/>
</style>
</object>
</child>
</object>
</child>
</object>
</property>
</template>
</interface>

View File

@@ -5,12 +5,25 @@
<!-- enabled -->
<child type="prefix">
<object class="GtkSwitch" id="enable_switch">
<signal name="state_set" handler="handle_client_set_state" swapped="true"/>
<property name="valign">center</property>
<property name="halign">end</property>
<property name="tooltip-text" translatable="yes">enable</property>
</object>
</child>
<child type="suffix">
<object class="GtkButton" id="dns_button">
<signal name="clicked" handler="handle_request_dns" swapped="true"/>
<!--<property name="icon-name">network-wired-disconnected-symbolic</property>-->
<property name="icon-name">network-wired-symbolic</property>
<property name="valign">center</property>
<property name="halign">end</property>
<property name="tooltip-text" translatable="yes">resolve host</property>
</object>
</child>
<child type="suffix">
<object class="GtkSpinner" id="dns_loading_indicator">
</object>
</child>
<!-- host -->
<child>
<object class="AdwActionRow">
@@ -30,6 +43,7 @@
<child>
<object class="GtkEntry" id="port">
<!-- <property name="title" translatable="yes">port</property> -->
<property name="max-width-chars">5</property>
<property name="input_purpose">GTK_INPUT_PURPOSE_NUMBER</property>
<property name="xalign">0.5</property>
<property name="valign">center</property>
@@ -66,6 +80,7 @@
<property name="valign">center</property>
<property name="halign">center</property>
<property name="name">delete-button</property>
<style><class name="error"/></style>
</object>
</child>
</object>

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Before

Width:  |  Height:  |  Size: 7.6 KiB

After

Width:  |  Height:  |  Size: 7.6 KiB

View File

@@ -0,0 +1,101 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk" version="4.0"/>
<requires lib="libadwaita" version="1.0"/>
<template class="FingerprintWindow" parent="AdwWindow">
<property name="modal">True</property>
<property name="width-request">880</property>
<property name="default-width">880</property>
<property name="height-request">380</property>
<property name="default-height">380</property>
<property name="title" translatable="yes">Add Certificate Fingerprint</property>
<property name="content">
<object class="AdwToolbarView">
<child type="top">
<object class="AdwHeaderBar"/>
</child>
<property name="content">
<object class="AdwClamp">
<property name="maximum-size">770</property>
<property name="tightening-threshold">0</property>
<property name="child">
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">18</property>
<child>
<object class="GtkLabel">
<property name="label">The certificate fingerprint serves as a unique identifier for your device.</property>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="label">You can find it under the `General` section of the device you want to connect</property>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title">description</property>
<child>
<object class="AdwActionRow">
<property name="child">
<object class="GtkText" id="description">
<property name="margin-top">10</property>
<property name="margin-bottom">10</property>
<property name="margin-start">10</property>
<property name="margin-end">10</property>
<property name="enable-undo">True</property>
<property name="hexpand">True</property>
<property name="vexpand">True</property>
<property name="max-length">0</property>
</object>
</property>
</object>
</child>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title">sha256 fingerprint</property>
<child>
<object class="AdwActionRow">
<property name="child">
<object class="GtkText" id="fingerprint">
<property name="margin-top">10</property>
<property name="margin-bottom">10</property>
<property name="margin-start">10</property>
<property name="margin-end">10</property>
<property name="enable-undo">True</property>
<property name="hexpand">True</property>
<property name="vexpand">True</property>
<property name="max-length">0</property>
</object>
</property>
</object>
</child>
</object>
</child>
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="halign">center</property>
<child>
<object class="GtkButton" id="confirm_button">
<signal name="clicked" handler="handle_confirm" swapped="true"/>
<property name="label" translatable="yes">Confirm</property>
<property name="can-shrink">True</property>
<style>
<class name="pill"/>
<class name="suggested-action"/>
</style>
</object>
</child>
</object>
</child>
</object>
</property>
</object>
</property>
</object>
</property>
</template>
</interface>

View File

@@ -0,0 +1,16 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<template class="KeyRow" parent="AdwActionRow">
<child type="prefix">
<object class="GtkButton" id="delete_button">
<property name="valign">center</property>
<property name="halign">end</property>
<property name="tooltip-text" translatable="yes">revoke authorization</property>
<property name="icon-name">edit-delete-symbolic</property>
<style>
<class name="flat"/>
</style>
</object>
</child>
</template>
</interface>

View File

@@ -2,11 +2,12 @@
<gresources>
<gresource prefix="/de/feschber/LanMouse">
<file compressed="true" preprocess="xml-stripblanks">window.ui</file>
<file compressed="true" preprocess="xml-stripblanks">authorization_window.ui</file>
<file compressed="true" preprocess="xml-stripblanks">fingerprint_window.ui</file>
<file compressed="true" preprocess="xml-stripblanks">client_row.ui</file>
<file compressed="true">style.css</file>
<file compressed="true">style-dark.css</file>
<file compressed="true" preprocess="xml-stripblanks">key_row.ui</file>
</gresource>
<gresource prefix="/de/feschber/LanMouse/icons">
<file compressed="true" preprocess="xml-stripblanks">de.feschber.LanMouse.svg</file>
<file compressed="true" preprocess="xml-stripblanks">de.feschber.LanMouse.svg</file>
</gresource>
</gresources>

View File

@@ -0,0 +1,278 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk" version="4.0"/>
<requires lib="libadwaita" version="1.0"/>
<menu id="main-menu">
<item>
<attribute name="label" translatable="yes">_Close window</attribute>
<attribute name="action">window.close</attribute>
</item>
</menu>
<template class="LanMouseWindow" parent="AdwApplicationWindow">
<property name="width-request">600</property>
<property name="height-request">700</property>
<property name="title" translatable="yes">Lan Mouse</property>
<property name="show-menubar">True</property>
<property name="content">
<object class="GtkBox">
<property name="orientation">vertical</property>
<child type="top">
<object class="AdwHeaderBar">
<child type ="end">
<object class="GtkMenuButton">
<property name="icon-name">open-menu-symbolic</property>
<property name="menu-model">main-menu</property>
</object>
</child>
<style>
<class name="flat"/>
</style>
</object>
</child>
<child>
<object class="AdwToastOverlay" id="toast_overlay">
<child>
<object class="AdwStatusPage">
<property name="title" translatable="yes">Lan Mouse</property>
<property name="description" translatable="yes">easily use your mouse and keyboard on multiple computers</property>
<property name="icon-name">de.feschber.LanMouse</property>
<property name="child">
<object class="AdwClamp">
<property name="maximum-size">600</property>
<property name="tightening-threshold">0</property>
<property name="child">
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">12</property>
<child>
<object class="AdwPreferencesGroup" id="capture_emulation_group">
<property name="title" translatable="yes">Capture / Emulation Status</property>
<child>
<object class="AdwActionRow" id="capture_status_row">
<property name="title">input capture is disabled</property>
<property name="subtitle">required for outgoing and incoming connections</property>
<property name="icon-name">dialog-warning-symbolic</property>
<child>
<object class="GtkButton" id="input_capture_button">
<property name="child">
<object class="AdwButtonContent">
<property name="icon-name">object-rotate-right-symbolic</property>
<property name="label" translatable="yes">Reenable</property>
</object>
</property>
<signal name="clicked" handler="handle_capture" swapped="true"/>
<property name="valign">center</property>
<style>
<class name="circular"/>
<class name="flat"/>
</style>
</object>
</child>
<style>
<class name="warning"/>
</style>
</object>
</child>
<child>
<object class="AdwActionRow" id="emulation_status_row">
<property name="title">input emulation is disabled</property>
<property name="subtitle">required for incoming connections</property>
<property name="icon-name">dialog-warning-symbolic</property>
<child>
<object class="GtkButton" id="input_emulation_button">
<property name="child">
<object class="AdwButtonContent">
<property name="icon-name">object-rotate-right-symbolic</property>
<property name="label" translatable="yes">Reenable</property>
</object>
</property>
<property name="valign">center</property>
<signal name="clicked" handler="handle_emulation" swapped="true"/>
<style>
<class name="circular"/>
<class name="flat"/>
</style>
</object>
</child>
<child>
</child>
<style>
<class name="warning"/>
</style>
</object>
</child>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title" translatable="yes">General</property>
<!--
<child>
<object class="AdwActionRow">
<property name="title" translatable="yes">enable</property>
<child type="suffix">
<object class="GtkSwitch">
<property name="valign">center</property>
<property name="tooltip-text" translatable="yes">enable</property>
</object>
</child>
</object>
</child>
-->
<child>
<object class="AdwActionRow">
<property name="title">hostname &#38;amp; port</property>
<child>
<object class="GtkButton" id="copy-hostname-button">
<!--<property name="icon-name">edit-copy-symbolic</property>-->
<property name="valign">center</property>
<signal name="clicked" handler="handle_copy_hostname" swapped="true"/>
<child>
<object class="GtkBox">
<property name="spacing">30</property>
<child>
<object class="GtkLabel" id="hostname_label">
<property name="label">&lt;span font_style=&quot;italic&quot; font_weight=&quot;light&quot; foreground=&quot;darkgrey&quot;&gt;could not determine hostname&lt;/span&gt;</property>
<property name="use-markup">true</property>
<property name="valign">center</property>
</object>
</child>
<child>
<object class="GtkImage" id="hostname_copy_icon">
<property name="icon-name">edit-copy-symbolic</property>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkEntry" id="port_entry">
<property name="max-width-chars">5</property>
<signal name="activate" handler="handle_port_edit_apply" swapped="true"/>
<signal name="changed" handler="handle_port_changed" swapped="true"/>
<!-- <signal name="delete-text" handler="handle_port_changed" swapped="true"/> -->
<!-- <property name="title" translatable="yes">port</property> -->
<property name="placeholder-text">4242</property>
<property name="width-chars">5</property>
<property name="xalign">0.5</property>
<property name="valign">center</property>
<!-- <property name="show-apply-button">True</property> -->
<property name="input-purpose">GTK_INPUT_PURPOSE_DIGITS</property>
</object>
</child>
<child>
<object class="GtkButton" id="port_edit_apply">
<signal name="clicked" handler="handle_port_edit_apply" swapped="true"/>
<property name="icon-name">object-select-symbolic</property>
<property name="valign">center</property>
<property name="visible">false</property>
<property name="name">port-edit-apply</property>
<style><class name="success"/></style>
</object>
</child>
<child>
<object class="GtkButton" id="port_edit_cancel">
<signal name="clicked" handler="handle_port_edit_cancel" swapped="true"/>
<property name="icon-name">process-stop-symbolic</property>
<property name="valign">center</property>
<property name="visible">false</property>
<property name="name">port-edit-cancel</property>
<style><class name="error"/></style>
</object>
</child>
</object>
</child>
<child>
<object class="AdwActionRow" id="fingerprint_row">
<property name="title">certificate fingerprint</property>
<property name="icon-name">auth-fingerprint-symbolic</property>
<child>
<object class="GtkButton" id="copy-fingerprint-button">
<property name="icon-name">edit-copy-symbolic</property>
<property name="valign">center</property>
<signal name="clicked" handler="handle_copy_fingerprint" swapped="true"/>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title" translatable="yes">Connections</property>
<property name="header-suffix">
<object class="GtkButton">
<signal name="clicked" handler="handle_add_client_pressed" swapped="true"/>
<property name="child">
<object class="AdwButtonContent">
<property name="icon-name">list-add-symbolic</property>
<property name="label" translatable="yes">Add</property>
</object>
</property>
<style>
<class name="flat"/>
</style>
</object>
</property>
<child>
<object class="GtkListBox" id="client_list">
<property name="selection-mode">none</property>
<child type="placeholder">
<object class="AdwActionRow" id="client_placeholder">
<property name="title">No connections!</property>
<property name="subtitle">add a new client via the + button</property>
</object>
</child>
<style>
<class name="boxed-list" />
</style>
</object>
</child>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title" translatable="yes">Incoming Connections</property>
<property name="header-suffix">
<object class="GtkButton">
<signal name="clicked" handler="handle_add_cert_fingerprint" swapped="true"/>
<property name="child">
<object class="AdwButtonContent">
<property name="icon-name">auth-fingerprint-symbolic</property>
<property name="label" translatable="yes">Authorize</property>
</object>
</property>
<style>
<class name="flat"/>
</style>
</object>
</property>
<child>
<object class="GtkListBox" id="authorized_list">
<property name="selection-mode">none</property>
<child type="placeholder">
<object class="AdwActionRow" id="authorized_placeholder">
<property name="title">no devices registered!</property>
<property name="subtitle">authorize a new device via the "Authorize" button</property>
</object>
</child>
<style>
<class name="boxed-list" />
</style>
</object>
</child>
</object>
</child>
</object>
</property>
</object>
</property>
</object>
</child>
</object>
</child>
</object>
</property>
</template>
</interface>

View File

@@ -0,0 +1,19 @@
mod imp;
use glib::Object;
use gtk::{gio, glib, subclass::prelude::ObjectSubclassIsExt};
glib::wrapper! {
pub struct AuthorizationWindow(ObjectSubclass<imp::AuthorizationWindow>)
@extends adw::Window, gtk::Window, gtk::Widget,
@implements gio::ActionGroup, gio::ActionMap, gtk::Accessible, gtk::Buildable,
gtk::ConstraintTarget, gtk::Native, gtk::Root, gtk::ShortcutManager;
}
impl AuthorizationWindow {
pub(crate) fn new(fingerprint: &str) -> Self {
let window: Self = Object::builder().build();
window.imp().set_fingerprint(fingerprint);
window
}
}

View File

@@ -0,0 +1,75 @@
use std::sync::OnceLock;
use adw::prelude::*;
use adw::subclass::prelude::*;
use glib::subclass::InitializingObject;
use gtk::{
glib::{self, subclass::Signal},
template_callbacks, Button, CompositeTemplate, Label,
};
#[derive(CompositeTemplate, Default)]
#[template(resource = "/de/feschber/LanMouse/authorization_window.ui")]
pub struct AuthorizationWindow {
#[template_child]
pub fingerprint: TemplateChild<Label>,
#[template_child]
pub cancel_button: TemplateChild<Button>,
#[template_child]
pub confirm_button: TemplateChild<Button>,
}
#[glib::object_subclass]
impl ObjectSubclass for AuthorizationWindow {
const NAME: &'static str = "AuthorizationWindow";
const ABSTRACT: bool = false;
type Type = super::AuthorizationWindow;
type ParentType = adw::Window;
fn class_init(klass: &mut Self::Class) {
klass.bind_template();
klass.bind_template_callbacks();
}
fn instance_init(obj: &InitializingObject<Self>) {
obj.init_template();
}
}
#[template_callbacks]
impl AuthorizationWindow {
#[template_callback]
fn handle_confirm(&self, _button: Button) {
let fp = self.fingerprint.text().as_str().trim().to_owned();
self.obj().emit_by_name("confirm-clicked", &[&fp])
}
#[template_callback]
fn handle_cancel(&self, _: Button) {
self.obj().emit_by_name("cancel-clicked", &[])
}
pub(super) fn set_fingerprint(&self, fingerprint: &str) {
self.fingerprint.set_text(fingerprint);
}
}
impl ObjectImpl for AuthorizationWindow {
fn signals() -> &'static [Signal] {
static SIGNALS: OnceLock<Vec<Signal>> = OnceLock::new();
SIGNALS.get_or_init(|| {
vec![
Signal::builder("confirm-clicked")
.param_types([String::static_type()])
.build(),
Signal::builder("cancel-clicked").build(),
]
})
}
}
impl WidgetImpl for AuthorizationWindow {}
impl WindowImpl for AuthorizationWindow {}
impl ApplicationWindowImpl for AuthorizationWindow {}
impl AdwWindowImpl for AuthorizationWindow {}

View File

@@ -3,20 +3,29 @@ mod imp;
use adw::subclass::prelude::*;
use gtk::glib::{self, Object};
use crate::client::{Client, ClientHandle};
use lan_mouse_ipc::{ClientConfig, ClientHandle, ClientState};
glib::wrapper! {
pub struct ClientObject(ObjectSubclass<imp::ClientObject>);
}
impl ClientObject {
pub fn new(client: Client, active: bool) -> Self {
pub fn new(handle: ClientHandle, client: ClientConfig, state: ClientState) -> Self {
Object::builder()
.property("handle", client.handle)
.property("handle", handle)
.property("hostname", client.hostname)
.property("port", client.port as u32)
.property("position", client.pos.to_string())
.property("active", active)
.property("active", state.active)
.property(
"ips",
state
.ips
.iter()
.map(|ip| ip.to_string())
.collect::<Vec<_>>(),
)
.property("resolving", state.resolving)
.build()
}
@@ -32,4 +41,6 @@ pub struct ClientData {
pub port: u32,
pub active: bool,
pub position: String,
pub resolving: bool,
pub ips: Vec<String>,
}

View File

@@ -5,7 +5,7 @@ use gtk::glib;
use gtk::prelude::*;
use gtk::subclass::prelude::*;
use crate::client::ClientHandle;
use lan_mouse_ipc::ClientHandle;
use super::ClientData;
@@ -13,10 +13,12 @@ use super::ClientData;
#[properties(wrapper_type = super::ClientObject)]
pub struct ClientObject {
#[property(name = "handle", get, set, type = ClientHandle, member = handle)]
#[property(name = "hostname", get, set, type = String, member = hostname)]
#[property(name = "hostname", get, set, type = Option<String>, member = hostname)]
#[property(name = "port", get, set, type = u32, member = port, maximum = u16::MAX as u32)]
#[property(name = "active", get, set, type = bool, member = active)]
#[property(name = "position", get, set, type = String, member = position)]
#[property(name = "resolving", get, set, type = bool, member = resolving)]
#[property(name = "ips", get, set, type = Vec<String>, member = ips)]
pub data: RefCell<ClientData>,
}

View File

@@ -4,7 +4,7 @@ use adw::prelude::*;
use adw::subclass::prelude::*;
use gtk::glib::{self, Object};
use crate::config::DEFAULT_PORT;
use lan_mouse_ipc::{Position, DEFAULT_PORT};
use super::ClientObject;
@@ -15,25 +15,32 @@ glib::wrapper! {
}
impl ClientRow {
pub fn new(_client_object: &ClientObject) -> Self {
Object::builder().build()
pub fn new(client_object: &ClientObject) -> Self {
let client_row: Self = Object::builder().build();
client_row
.imp()
.client_object
.borrow_mut()
.replace(client_object.clone());
client_row
}
pub fn bind(&self, client_object: &ClientObject) {
let mut bindings = self.imp().bindings.borrow_mut();
// bind client active to switch state
let active_binding = client_object
.bind_property("active", &self.imp().enable_switch.get(), "state")
.bidirectional()
.sync_create()
.build();
// bind client active to switch position
let switch_position_binding = client_object
.bind_property("active", &self.imp().enable_switch.get(), "active")
.bidirectional()
.sync_create()
.build();
// bind hostname to hostname edit field
let hostname_binding = client_object
.bind_property("hostname", &self.imp().hostname.get(), "text")
.transform_to(|_, v: Option<String>| {
@@ -43,69 +50,67 @@ impl ClientRow {
Some("".to_string())
}
})
.transform_from(|_, v: String| {
if v.as_str().trim() == "" {
Some(None)
} else {
Some(Some(v))
}
})
.bidirectional()
.sync_create()
.build();
// bind hostname to title
let title_binding = client_object
.bind_property("hostname", self, "title")
.transform_to(|_, v: Option<String>| {
if let Some(hostname) = v {
Some(hostname)
} else {
Some("<span font_style=\"italic\" font_weight=\"light\" foreground=\"darkgrey\">no hostname!</span>".to_string())
}
})
.transform_to(|_, v: Option<String>| v.or(Some("<span font_style=\"italic\" font_weight=\"light\" foreground=\"darkgrey\">no hostname!</span>".to_string())))
.sync_create()
.build();
// bind port to port edit field
let port_binding = client_object
.bind_property("port", &self.imp().port.get(), "text")
.transform_from(|_, v: String| {
if v.is_empty() {
Some(DEFAULT_PORT as u32)
} else {
Some(v.parse::<u16>().unwrap_or(DEFAULT_PORT) as u32)
}
})
.transform_to(|_, v: u32| {
if v == 4242 {
if v == DEFAULT_PORT as u32 {
Some("".to_string())
} else {
Some(v.to_string())
}
})
.bidirectional()
.sync_create()
.build();
// bind port to subtitle
let subtitle_binding = client_object
.bind_property("port", self, "subtitle")
.sync_create()
.build();
// bind position to selected position
let position_binding = client_object
.bind_property("position", &self.imp().position.get(), "selected")
.transform_from(|_, v: u32| match v {
1 => Some("right"),
2 => Some("top"),
3 => Some("bottom"),
_ => Some("left"),
})
.transform_to(|_, v: String| match v.as_str() {
"right" => Some(1),
"right" => Some(1u32),
"top" => Some(2u32),
"bottom" => Some(3u32),
_ => Some(0u32),
})
.bidirectional()
.sync_create()
.build();
// bind resolving status to spinner visibility
let resolve_binding = client_object
.bind_property(
"resolving",
&self.imp().dns_loading_indicator.get(),
"spinning",
)
.sync_create()
.build();
// bind ips to tooltip-text
let ip_binding = client_object
.bind_property("ips", &self.imp().dns_button.get(), "tooltip-text")
.transform_to(|_, ips: Vec<String>| {
if ips.is_empty() {
Some("no ip addresses associated with this client".into())
} else {
Some(ips.join("\n"))
}
})
.sync_create()
.build();
@@ -116,6 +121,8 @@ impl ClientRow {
bindings.push(port_binding);
bindings.push(subtitle_binding);
bindings.push(position_binding);
bindings.push(resolve_binding);
bindings.push(ip_binding);
}
pub fn unbind(&self) {
@@ -123,4 +130,24 @@ impl ClientRow {
binding.unbind();
}
}
pub fn set_active(&self, active: bool) {
self.imp().set_active(active);
}
pub fn set_hostname(&self, hostname: Option<String>) {
self.imp().set_hostname(hostname);
}
pub fn set_port(&self, port: u16) {
self.imp().set_port(port);
}
pub fn set_position(&self, pos: Position) {
self.imp().set_pos(pos);
}
pub fn set_dns_state(&self, resolved: bool) {
self.imp().set_dns_state(resolved);
}
}

View File

@@ -0,0 +1,230 @@
use std::cell::RefCell;
use adw::subclass::prelude::*;
use adw::{prelude::*, ActionRow, ComboRow};
use glib::{subclass::InitializingObject, Binding};
use gtk::glib::subclass::Signal;
use gtk::glib::{clone, SignalHandlerId};
use gtk::{glib, Button, CompositeTemplate, Entry, Switch};
use lan_mouse_ipc::Position;
use std::sync::OnceLock;
use crate::client_object::ClientObject;
#[derive(CompositeTemplate, Default)]
#[template(resource = "/de/feschber/LanMouse/client_row.ui")]
pub struct ClientRow {
#[template_child]
pub enable_switch: TemplateChild<gtk::Switch>,
#[template_child]
pub dns_button: TemplateChild<gtk::Button>,
#[template_child]
pub hostname: TemplateChild<gtk::Entry>,
#[template_child]
pub port: TemplateChild<gtk::Entry>,
#[template_child]
pub position: TemplateChild<ComboRow>,
#[template_child]
pub delete_row: TemplateChild<ActionRow>,
#[template_child]
pub delete_button: TemplateChild<gtk::Button>,
#[template_child]
pub dns_loading_indicator: TemplateChild<gtk::Spinner>,
pub bindings: RefCell<Vec<Binding>>,
hostname_change_handler: RefCell<Option<SignalHandlerId>>,
port_change_handler: RefCell<Option<SignalHandlerId>>,
position_change_handler: RefCell<Option<SignalHandlerId>>,
set_state_handler: RefCell<Option<SignalHandlerId>>,
pub client_object: RefCell<Option<ClientObject>>,
}
#[glib::object_subclass]
impl ObjectSubclass for ClientRow {
// `NAME` needs to match `class` attribute of template
const NAME: &'static str = "ClientRow";
const ABSTRACT: bool = false;
type Type = super::ClientRow;
type ParentType = adw::ExpanderRow;
fn class_init(klass: &mut Self::Class) {
klass.bind_template();
klass.bind_template_callbacks();
}
fn instance_init(obj: &InitializingObject<Self>) {
obj.init_template();
}
}
impl ObjectImpl for ClientRow {
fn constructed(&self) {
self.parent_constructed();
self.delete_button.connect_clicked(clone!(
#[weak(rename_to = row)]
self,
move |button| {
row.handle_client_delete(button);
}
));
let handler = self.hostname.connect_changed(clone!(
#[weak(rename_to = row)]
self,
move |entry| {
row.handle_hostname_changed(entry);
}
));
self.hostname_change_handler.replace(Some(handler));
let handler = self.port.connect_changed(clone!(
#[weak(rename_to = row)]
self,
move |entry| {
row.handle_port_changed(entry);
}
));
self.port_change_handler.replace(Some(handler));
let handler = self.position.connect_selected_notify(clone!(
#[weak(rename_to = row)]
self,
move |position| {
row.handle_position_changed(position);
}
));
self.position_change_handler.replace(Some(handler));
let handler = self.enable_switch.connect_state_set(clone!(
#[weak(rename_to = row)]
self,
#[upgrade_or]
glib::Propagation::Proceed,
move |switch, state| {
row.handle_activate_switch(state, switch);
glib::Propagation::Proceed
}
));
self.set_state_handler.replace(Some(handler));
}
fn signals() -> &'static [glib::subclass::Signal] {
static SIGNALS: OnceLock<Vec<Signal>> = OnceLock::new();
SIGNALS.get_or_init(|| {
vec![
Signal::builder("request-activate")
.param_types([bool::static_type()])
.build(),
Signal::builder("request-delete").build(),
Signal::builder("request-dns").build(),
Signal::builder("request-hostname-change")
.param_types([String::static_type()])
.build(),
Signal::builder("request-port-change")
.param_types([u32::static_type()])
.build(),
Signal::builder("request-position-change")
.param_types([u32::static_type()])
.build(),
]
})
}
}
#[gtk::template_callbacks]
impl ClientRow {
#[template_callback]
fn handle_activate_switch(&self, state: bool, _switch: &Switch) -> bool {
self.obj().emit_by_name::<()>("request-activate", &[&state]);
true // dont run default handler
}
#[template_callback]
fn handle_request_dns(&self, _: &Button) {
self.obj().emit_by_name::<()>("request-dns", &[]);
}
#[template_callback]
fn handle_client_delete(&self, _button: &Button) {
self.obj().emit_by_name::<()>("request-delete", &[]);
}
fn handle_port_changed(&self, port_entry: &Entry) {
if let Ok(port) = port_entry.text().parse::<u16>() {
self.obj()
.emit_by_name::<()>("request-port-change", &[&(port as u32)]);
}
}
fn handle_hostname_changed(&self, hostname_entry: &Entry) {
self.obj()
.emit_by_name::<()>("request-hostname-change", &[&hostname_entry.text()]);
}
fn handle_position_changed(&self, position: &ComboRow) {
self.obj()
.emit_by_name("request-position-change", &[&position.selected()])
}
pub(super) fn set_hostname(&self, hostname: Option<String>) {
let position = self.hostname.position();
let handler = self.hostname_change_handler.borrow();
let handler = handler.as_ref().expect("signal handler");
self.hostname.block_signal(handler);
self.client_object
.borrow_mut()
.as_mut()
.expect("client object")
.set_property("hostname", hostname);
self.hostname.unblock_signal(handler);
self.hostname.set_position(position);
}
pub(super) fn set_port(&self, port: u16) {
let position = self.port.position();
let handler = self.port_change_handler.borrow();
let handler = handler.as_ref().expect("signal handler");
self.port.block_signal(handler);
self.client_object
.borrow_mut()
.as_mut()
.expect("client object")
.set_port(port as u32);
self.port.unblock_signal(handler);
self.port.set_position(position);
}
pub(super) fn set_pos(&self, pos: Position) {
let handler = self.position_change_handler.borrow();
let handler = handler.as_ref().expect("signal handler");
self.position.block_signal(handler);
self.client_object
.borrow_mut()
.as_mut()
.expect("client object")
.set_position(pos.to_string());
self.position.unblock_signal(handler);
}
pub(super) fn set_active(&self, active: bool) {
let handler = self.set_state_handler.borrow();
let handler = handler.as_ref().expect("signal handler");
self.enable_switch.block_signal(handler);
self.client_object
.borrow_mut()
.as_mut()
.expect("client object")
.set_active(active);
self.enable_switch.unblock_signal(handler);
}
pub(super) fn set_dns_state(&self, resolved: bool) {
if resolved {
self.dns_button.set_css_classes(&["success"])
} else {
self.dns_button.set_css_classes(&["warning"])
}
}
}
impl WidgetImpl for ClientRow {}
impl BoxImpl for ClientRow {}
impl ListBoxRowImpl for ClientRow {}
impl PreferencesRowImpl for ClientRow {}
impl ExpanderRowImpl for ClientRow {}

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@@ -0,0 +1,22 @@
mod imp;
use glib::Object;
use gtk::{gio, glib, prelude::ObjectExt, subclass::prelude::ObjectSubclassIsExt};
glib::wrapper! {
pub struct FingerprintWindow(ObjectSubclass<imp::FingerprintWindow>)
@extends adw::Window, gtk::Window, gtk::Widget,
@implements gio::ActionGroup, gio::ActionMap, gtk::Accessible, gtk::Buildable,
gtk::ConstraintTarget, gtk::Native, gtk::Root, gtk::ShortcutManager;
}
impl FingerprintWindow {
pub(crate) fn new(fingerprint: Option<String>) -> Self {
let window: Self = Object::builder().build();
if let Some(fp) = fingerprint {
window.imp().fingerprint.set_property("text", fp);
window.imp().fingerprint.set_property("editable", false);
}
window
}
}

View File

@@ -0,0 +1,64 @@
use std::sync::OnceLock;
use adw::prelude::*;
use adw::subclass::prelude::*;
use glib::subclass::InitializingObject;
use gtk::{
glib::{self, subclass::Signal},
template_callbacks, Button, CompositeTemplate, Text,
};
#[derive(CompositeTemplate, Default)]
#[template(resource = "/de/feschber/LanMouse/fingerprint_window.ui")]
pub struct FingerprintWindow {
#[template_child]
pub description: TemplateChild<Text>,
#[template_child]
pub fingerprint: TemplateChild<Text>,
#[template_child]
pub confirm_button: TemplateChild<Button>,
}
#[glib::object_subclass]
impl ObjectSubclass for FingerprintWindow {
const NAME: &'static str = "FingerprintWindow";
const ABSTRACT: bool = false;
type Type = super::FingerprintWindow;
type ParentType = adw::Window;
fn class_init(klass: &mut Self::Class) {
klass.bind_template();
klass.bind_template_callbacks();
}
fn instance_init(obj: &InitializingObject<Self>) {
obj.init_template();
}
}
#[template_callbacks]
impl FingerprintWindow {
#[template_callback]
fn handle_confirm(&self, _button: Button) {
let desc = self.description.text().as_str().trim().to_owned();
let fp = self.fingerprint.text().as_str().trim().to_owned();
self.obj().emit_by_name("confirm-clicked", &[&desc, &fp])
}
}
impl ObjectImpl for FingerprintWindow {
fn signals() -> &'static [Signal] {
static SIGNALS: OnceLock<Vec<Signal>> = OnceLock::new();
SIGNALS.get_or_init(|| {
vec![Signal::builder("confirm-clicked")
.param_types([String::static_type(), String::static_type()])
.build()]
})
}
}
impl WidgetImpl for FingerprintWindow {}
impl WindowImpl for FingerprintWindow {}
impl ApplicationWindowImpl for FingerprintWindow {}
impl AdwWindowImpl for FingerprintWindow {}

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@@ -0,0 +1,25 @@
mod imp;
use adw::subclass::prelude::*;
use gtk::glib::{self, Object};
glib::wrapper! {
pub struct KeyObject(ObjectSubclass<imp::KeyObject>);
}
impl KeyObject {
pub fn new(desc: String, fp: String) -> Self {
Object::builder()
.property("description", desc)
.property("fingerprint", fp)
.build()
}
pub fn get_description(&self) -> String {
self.imp().description.borrow().clone()
}
pub fn get_fingerprint(&self) -> String {
self.imp().fingerprint.borrow().clone()
}
}

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@@ -0,0 +1,24 @@
use std::cell::RefCell;
use glib::Properties;
use gtk::glib;
use gtk::prelude::*;
use gtk::subclass::prelude::*;
#[derive(Properties, Default)]
#[properties(wrapper_type = super::KeyObject)]
pub struct KeyObject {
#[property(name = "description", get, set, type = String)]
pub description: RefCell<String>,
#[property(name = "fingerprint", get, set, type = String)]
pub fingerprint: RefCell<String>,
}
#[glib::object_subclass]
impl ObjectSubclass for KeyObject {
const NAME: &'static str = "KeyObject";
type Type = super::KeyObject;
}
#[glib::derived_properties]
impl ObjectImpl for KeyObject {}

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@@ -0,0 +1,48 @@
mod imp;
use adw::prelude::*;
use adw::subclass::prelude::*;
use gtk::glib::{self, Object};
use super::KeyObject;
glib::wrapper! {
pub struct KeyRow(ObjectSubclass<imp::KeyRow>)
@extends gtk::ListBoxRow, gtk::Widget, adw::PreferencesRow, adw::ExpanderRow,
@implements gtk::Accessible, gtk::Actionable, gtk::Buildable, gtk::ConstraintTarget;
}
impl Default for KeyRow {
fn default() -> Self {
Self::new()
}
}
impl KeyRow {
pub fn new() -> Self {
Object::builder().build()
}
pub fn bind(&self, key_object: &KeyObject) {
let mut bindings = self.imp().bindings.borrow_mut();
let title_binding = key_object
.bind_property("description", self, "title")
.sync_create()
.build();
let subtitle_binding = key_object
.bind_property("fingerprint", self, "subtitle")
.sync_create()
.build();
bindings.push(title_binding);
bindings.push(subtitle_binding);
}
pub fn unbind(&self) {
for binding in self.imp().bindings.borrow_mut().drain(..) {
binding.unbind();
}
}
}

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@@ -0,0 +1,68 @@
use std::cell::RefCell;
use adw::subclass::prelude::*;
use adw::{prelude::*, ActionRow};
use glib::{subclass::InitializingObject, Binding};
use gtk::glib::clone;
use gtk::glib::subclass::Signal;
use gtk::{glib, Button, CompositeTemplate};
use std::sync::OnceLock;
#[derive(CompositeTemplate, Default)]
#[template(resource = "/de/feschber/LanMouse/key_row.ui")]
pub struct KeyRow {
#[template_child]
pub delete_button: TemplateChild<gtk::Button>,
pub bindings: RefCell<Vec<Binding>>,
}
#[glib::object_subclass]
impl ObjectSubclass for KeyRow {
// `NAME` needs to match `class` attribute of template
const NAME: &'static str = "KeyRow";
const ABSTRACT: bool = false;
type Type = super::KeyRow;
type ParentType = ActionRow;
fn class_init(klass: &mut Self::Class) {
klass.bind_template();
klass.bind_template_callbacks();
}
fn instance_init(obj: &InitializingObject<Self>) {
obj.init_template();
}
}
impl ObjectImpl for KeyRow {
fn constructed(&self) {
self.parent_constructed();
self.delete_button.connect_clicked(clone!(
#[weak(rename_to = row)]
self,
move |button| {
row.handle_delete(button);
}
));
}
fn signals() -> &'static [glib::subclass::Signal] {
static SIGNALS: OnceLock<Vec<Signal>> = OnceLock::new();
SIGNALS.get_or_init(|| vec![Signal::builder("request-delete").build()])
}
}
#[gtk::template_callbacks]
impl KeyRow {
#[template_callback]
fn handle_delete(&self, _button: &Button) {
self.obj().emit_by_name::<()>("request-delete", &[]);
}
}
impl WidgetImpl for KeyRow {}
impl BoxImpl for KeyRow {}
impl ListBoxRowImpl for KeyRow {}
impl PreferencesRowImpl for KeyRow {}
impl ActionRowImpl for KeyRow {}

175
lan-mouse-gtk/src/lib.rs Normal file
View File

@@ -0,0 +1,175 @@
mod authorization_window;
mod client_object;
mod client_row;
mod fingerprint_window;
mod key_object;
mod key_row;
mod window;
use std::{env, process, str};
use window::Window;
use lan_mouse_ipc::FrontendEvent;
use adw::Application;
use gtk::{gdk::Display, glib::clone, prelude::*, IconTheme};
use gtk::{gio, glib, prelude::ApplicationExt};
use self::client_object::ClientObject;
use self::key_object::KeyObject;
use thiserror::Error;
#[derive(Error, Debug)]
pub enum GtkError {
#[error("gtk frontend exited with non zero exit code: {0}")]
NonZeroExitCode(i32),
}
pub fn run() -> Result<(), GtkError> {
log::debug!("running gtk frontend");
#[cfg(windows)]
let ret = std::thread::Builder::new()
.stack_size(8 * 1024 * 1024) // https://gitlab.gnome.org/GNOME/gtk/-/commit/52dbb3f372b2c3ea339e879689c1de535ba2c2c3 -> caused crash on windows
.name("gtk".into())
.spawn(gtk_main)
.unwrap()
.join()
.unwrap();
#[cfg(not(windows))]
let ret = gtk_main();
match ret {
glib::ExitCode::SUCCESS => Ok(()),
e => Err(GtkError::NonZeroExitCode(e.value())),
}
}
fn gtk_main() -> glib::ExitCode {
gio::resources_register_include!("lan-mouse.gresource").expect("Failed to register resources.");
let app = Application::builder()
.application_id("de.feschber.LanMouse")
.build();
app.connect_startup(|app| {
load_icons();
setup_actions(app);
setup_menu(app);
});
app.connect_activate(build_ui);
let args: Vec<&'static str> = vec![];
app.run_with_args(&args)
}
fn load_icons() {
let display = &Display::default().expect("Could not connect to a display.");
let icon_theme = IconTheme::for_display(display);
icon_theme.add_resource_path("/de/feschber/LanMouse/icons");
}
// Add application actions
fn setup_actions(app: &adw::Application) {
// Quit action
// This is important on macOS, where users expect a File->Quit action with a Cmd+Q shortcut.
let quit_action = gio::SimpleAction::new("quit", None);
quit_action.connect_activate({
let app = app.clone();
move |_, _| {
app.quit();
}
});
app.add_action(&quit_action);
}
// Set up a global menu
//
// Currently this is used only on macOS
fn setup_menu(app: &adw::Application) {
let menu = gio::Menu::new();
let file_menu = gio::Menu::new();
file_menu.append(Some("Quit"), Some("app.quit"));
menu.append_submenu(Some("_File"), &file_menu);
app.set_menubar(Some(&menu))
}
fn build_ui(app: &Application) {
log::debug!("connecting to lan-mouse-socket");
let (mut frontend_rx, frontend_tx) = match lan_mouse_ipc::connect() {
Ok(conn) => conn,
Err(e) => {
log::error!("{e}");
process::exit(1);
}
};
log::debug!("connected to lan-mouse-socket");
let (sender, receiver) = async_channel::bounded(10);
gio::spawn_blocking(move || {
while let Some(e) = frontend_rx.next_event() {
match e {
Ok(e) => sender.send_blocking(e).unwrap(),
Err(e) => {
log::error!("{e}");
break;
}
}
}
});
let window = Window::new(app, frontend_tx);
glib::spawn_future_local(clone!(
#[weak]
window,
async move {
loop {
let notify = receiver.recv().await.unwrap_or_else(|_| process::exit(1));
match notify {
FrontendEvent::Created(handle, client, state) => {
window.new_client(handle, client, state)
}
FrontendEvent::Deleted(client) => window.delete_client(client),
FrontendEvent::State(handle, config, state) => {
window.update_client_config(handle, config);
window.update_client_state(handle, state);
}
FrontendEvent::NoSuchClient(_) => {}
FrontendEvent::Error(e) => window.show_toast(e.as_str()),
FrontendEvent::Enumerate(clients) => window.update_client_list(clients),
FrontendEvent::PortChanged(port, msg) => window.update_port(port, msg),
FrontendEvent::CaptureStatus(s) => window.set_capture(s.into()),
FrontendEvent::EmulationStatus(s) => window.set_emulation(s.into()),
FrontendEvent::AuthorizedUpdated(keys) => window.set_authorized_keys(keys),
FrontendEvent::PublicKeyFingerprint(fp) => window.set_pk_fp(&fp),
FrontendEvent::ConnectionAttempt { fingerprint } => {
window.request_authorization(&fingerprint);
}
FrontendEvent::DeviceConnected {
fingerprint: _,
addr,
} => {
window.show_toast(format!("device connected: {addr}").as_str());
}
FrontendEvent::DeviceEntered {
fingerprint: _,
addr,
pos,
} => {
window.show_toast(format!("device entered: {addr} ({pos})").as_str());
}
FrontendEvent::IncomingDisconnected(addr) => {
window.show_toast(format!("{addr} disconnected").as_str());
}
}
}
}
));
window.present();
}

500
lan-mouse-gtk/src/window.rs Normal file
View File

@@ -0,0 +1,500 @@
mod imp;
use std::collections::HashMap;
use adw::prelude::*;
use adw::subclass::prelude::*;
use glib::{clone, Object};
use gtk::{
gio,
glib::{self, closure_local},
NoSelection,
};
use lan_mouse_ipc::{
ClientConfig, ClientHandle, ClientState, FrontendRequest, FrontendRequestWriter, Position,
DEFAULT_PORT,
};
use crate::{
authorization_window::AuthorizationWindow, fingerprint_window::FingerprintWindow,
key_object::KeyObject, key_row::KeyRow,
};
use super::{client_object::ClientObject, client_row::ClientRow};
glib::wrapper! {
pub struct Window(ObjectSubclass<imp::Window>)
@extends adw::ApplicationWindow, gtk::Window, gtk::Widget,
@implements gio::ActionGroup, gio::ActionMap, gtk::Accessible, gtk::Buildable,
gtk::ConstraintTarget, gtk::Native, gtk::Root, gtk::ShortcutManager;
}
impl Window {
pub(super) fn new(app: &adw::Application, conn: FrontendRequestWriter) -> Self {
let window: Self = Object::builder().property("application", app).build();
window
.imp()
.frontend_request_writer
.borrow_mut()
.replace(conn);
window
}
fn clients(&self) -> gio::ListStore {
self.imp()
.clients
.borrow()
.clone()
.expect("Could not get clients")
}
fn authorized(&self) -> gio::ListStore {
self.imp()
.authorized
.borrow()
.clone()
.expect("Could not get authorized")
}
fn client_by_idx(&self, idx: u32) -> Option<ClientObject> {
self.clients().item(idx).map(|o| o.downcast().unwrap())
}
fn authorized_by_idx(&self, idx: u32) -> Option<KeyObject> {
self.authorized().item(idx).map(|o| o.downcast().unwrap())
}
fn row_by_idx(&self, idx: i32) -> Option<ClientRow> {
self.imp()
.client_list
.get()
.row_at_index(idx)
.map(|o| o.downcast().expect("expected ClientRow"))
}
fn setup_authorized(&self) {
let store = gio::ListStore::new::<KeyObject>();
self.imp().authorized.replace(Some(store));
let selection_model = NoSelection::new(Some(self.authorized()));
self.imp().authorized_list.bind_model(
Some(&selection_model),
clone!(
#[weak(rename_to = window)]
self,
#[upgrade_or_panic]
move |obj| {
let key_obj = obj.downcast_ref().expect("object of type `KeyObject`");
let row = window.create_key_row(key_obj);
row.connect_closure(
"request-delete",
false,
closure_local!(
#[strong]
window,
move |row: KeyRow| {
if let Some(key_obj) = window.authorized_by_idx(row.index() as u32)
{
window.request_fingerprint_remove(key_obj.get_fingerprint());
}
}
),
);
row.upcast()
}
),
)
}
fn setup_clients(&self) {
let model = gio::ListStore::new::<ClientObject>();
self.imp().clients.replace(Some(model));
let selection_model = NoSelection::new(Some(self.clients()));
self.imp().client_list.bind_model(
Some(&selection_model),
clone!(
#[weak(rename_to = window)]
self,
#[upgrade_or_panic]
move |obj| {
let client_object = obj
.downcast_ref()
.expect("Expected object of type `ClientObject`.");
let row = window.create_client_row(client_object);
row.connect_closure(
"request-hostname-change",
false,
closure_local!(
#[strong]
window,
move |row: ClientRow, hostname: String| {
log::debug!("request-hostname-change");
if let Some(client) = window.client_by_idx(row.index() as u32) {
let hostname = Some(hostname).filter(|s| !s.is_empty());
/* changed in response to FrontendEvent
* -> do not request additional update */
window.request(FrontendRequest::UpdateHostname(
client.handle(),
hostname,
));
}
}
),
);
row.connect_closure(
"request-port-change",
false,
closure_local!(
#[strong]
window,
move |row: ClientRow, port: u32| {
if let Some(client) = window.client_by_idx(row.index() as u32) {
window.request(FrontendRequest::UpdatePort(
client.handle(),
port as u16,
));
}
}
),
);
row.connect_closure(
"request-activate",
false,
closure_local!(
#[strong]
window,
move |row: ClientRow, active: bool| {
if let Some(client) = window.client_by_idx(row.index() as u32) {
log::debug!(
"request: {} client",
if active { "activating" } else { "deactivating" }
);
window.request(FrontendRequest::Activate(
client.handle(),
active,
));
}
}
),
);
row.connect_closure(
"request-delete",
false,
closure_local!(
#[strong]
window,
move |row: ClientRow| {
if let Some(client) = window.client_by_idx(row.index() as u32) {
window.request(FrontendRequest::Delete(client.handle()));
}
}
),
);
row.connect_closure(
"request-dns",
false,
closure_local!(
#[strong]
window,
move |row: ClientRow| {
if let Some(client) = window.client_by_idx(row.index() as u32) {
window.request(FrontendRequest::ResolveDns(
client.get_data().handle,
));
}
}
),
);
row.connect_closure(
"request-position-change",
false,
closure_local!(
#[strong]
window,
move |row: ClientRow, pos_idx: u32| {
if let Some(client) = window.client_by_idx(row.index() as u32) {
let position = match pos_idx {
0 => Position::Left,
1 => Position::Right,
2 => Position::Top,
_ => Position::Bottom,
};
window.request(FrontendRequest::UpdatePosition(
client.handle(),
position,
));
}
}
),
);
row.upcast()
}
),
);
}
fn setup_icon(&self) {
self.set_icon_name(Some("de.feschber.LanMouse"));
}
/// workaround for a bug in libadwaita that shows an ugly line beneath
/// the last element if a placeholder is set.
/// https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/6308
fn update_placeholder_visibility(&self) {
let visible = self.clients().n_items() == 0;
let placeholder = self.imp().client_placeholder.get();
self.imp().client_list.set_placeholder(match visible {
true => Some(&placeholder),
false => None,
});
}
fn update_auth_placeholder_visibility(&self) {
let visible = self.authorized().n_items() == 0;
let placeholder = self.imp().authorized_placeholder.get();
self.imp().authorized_list.set_placeholder(match visible {
true => Some(&placeholder),
false => None,
});
}
fn create_client_row(&self, client_object: &ClientObject) -> ClientRow {
let row = ClientRow::new(client_object);
row.bind(client_object);
row
}
fn create_key_row(&self, key_object: &KeyObject) -> KeyRow {
let row = KeyRow::new();
row.bind(key_object);
row
}
pub(super) fn new_client(
&self,
handle: ClientHandle,
client: ClientConfig,
state: ClientState,
) {
let client = ClientObject::new(handle, client, state.clone());
self.clients().append(&client);
self.update_placeholder_visibility();
self.update_dns_state(handle, !state.ips.is_empty());
}
pub(super) fn update_client_list(
&self,
clients: Vec<(ClientHandle, ClientConfig, ClientState)>,
) {
for (handle, client, state) in clients {
if self.client_idx(handle).is_some() {
self.update_client_config(handle, client);
self.update_client_state(handle, state);
} else {
self.new_client(handle, client, state);
}
}
}
pub(super) fn update_port(&self, port: u16, msg: Option<String>) {
if let Some(msg) = msg {
self.show_toast(msg.as_str());
}
self.imp().set_port(port);
}
fn client_idx(&self, handle: ClientHandle) -> Option<usize> {
self.clients()
.iter::<ClientObject>()
.position(|c| c.ok().map(|c| c.handle() == handle).unwrap_or_default())
}
pub(super) fn delete_client(&self, handle: ClientHandle) {
let Some(idx) = self.client_idx(handle) else {
log::warn!("could not find client with handle {handle}");
return;
};
self.clients().remove(idx as u32);
if self.clients().n_items() == 0 {
self.update_placeholder_visibility();
}
}
pub(super) fn update_client_config(&self, handle: ClientHandle, client: ClientConfig) {
let Some(row) = self.row_for_handle(handle) else {
log::warn!("could not find row for handle {}", handle);
return;
};
row.set_hostname(client.hostname);
row.set_port(client.port);
row.set_position(client.pos);
}
pub(super) fn update_client_state(&self, handle: ClientHandle, state: ClientState) {
let Some(row) = self.row_for_handle(handle) else {
log::warn!("could not find row for handle {}", handle);
return;
};
let Some(client_object) = self.client_object_for_handle(handle) else {
log::warn!("could not find row for handle {}", handle);
return;
};
/* activation state */
row.set_active(state.active);
/* dns state */
client_object.set_resolving(state.resolving);
self.update_dns_state(handle, !state.ips.is_empty());
let ips = state
.ips
.into_iter()
.map(|ip| ip.to_string())
.collect::<Vec<_>>();
client_object.set_ips(ips);
}
fn client_object_for_handle(&self, handle: ClientHandle) -> Option<ClientObject> {
self.client_idx(handle)
.and_then(|i| self.client_by_idx(i as u32))
}
fn row_for_handle(&self, handle: ClientHandle) -> Option<ClientRow> {
self.client_idx(handle)
.and_then(|i| self.row_by_idx(i as i32))
}
fn update_dns_state(&self, handle: ClientHandle, resolved: bool) {
if let Some(client_row) = self.row_for_handle(handle) {
client_row.set_dns_state(resolved);
}
}
fn request_port_change(&self) {
let port = self
.imp()
.port_entry
.get()
.text()
.as_str()
.parse::<u16>()
.unwrap_or(DEFAULT_PORT);
self.request(FrontendRequest::ChangePort(port));
}
fn request_capture(&self) {
self.request(FrontendRequest::EnableCapture);
}
fn request_emulation(&self) {
self.request(FrontendRequest::EnableEmulation);
}
fn request_client_create(&self) {
self.request(FrontendRequest::Create);
}
fn open_fingerprint_dialog(&self, fp: Option<String>) {
let window = FingerprintWindow::new(fp);
window.set_transient_for(Some(self));
window.connect_closure(
"confirm-clicked",
false,
closure_local!(
#[strong(rename_to = parent)]
self,
move |w: FingerprintWindow, desc: String, fp: String| {
parent.request_fingerprint_add(desc, fp);
w.close();
}
),
);
window.present();
}
fn request_fingerprint_add(&self, desc: String, fp: String) {
self.request(FrontendRequest::AuthorizeKey(desc, fp));
}
fn request_fingerprint_remove(&self, fp: String) {
self.request(FrontendRequest::RemoveAuthorizedKey(fp));
}
fn request(&self, request: FrontendRequest) {
let mut requester = self.imp().frontend_request_writer.borrow_mut();
let requester = requester.as_mut().unwrap();
if let Err(e) = requester.request(request) {
log::error!("error sending message: {e}");
};
}
pub(super) fn show_toast(&self, msg: &str) {
let toast = adw::Toast::new(msg);
let toast_overlay = &self.imp().toast_overlay;
toast_overlay.add_toast(toast);
}
pub(super) fn set_capture(&self, active: bool) {
self.imp().capture_active.replace(active);
self.update_capture_emulation_status();
}
pub(super) fn set_emulation(&self, active: bool) {
self.imp().emulation_active.replace(active);
self.update_capture_emulation_status();
}
fn update_capture_emulation_status(&self) {
let capture = self.imp().capture_active.get();
let emulation = self.imp().emulation_active.get();
self.imp().capture_status_row.set_visible(!capture);
self.imp().emulation_status_row.set_visible(!emulation);
self.imp()
.capture_emulation_group
.set_visible(!capture || !emulation);
}
pub(super) fn set_authorized_keys(&self, fingerprints: HashMap<String, String>) {
let authorized = self.authorized();
// clear list
authorized.remove_all();
// insert fingerprints
for (fingerprint, description) in fingerprints {
let key_obj = KeyObject::new(description, fingerprint);
authorized.append(&key_obj);
}
self.update_auth_placeholder_visibility();
}
pub(super) fn set_pk_fp(&self, fingerprint: &str) {
self.imp().fingerprint_row.set_subtitle(fingerprint);
}
pub(super) fn request_authorization(&self, fingerprint: &str) {
let window = AuthorizationWindow::new(fingerprint);
window.set_transient_for(Some(self));
window.connect_closure(
"confirm-clicked",
false,
closure_local!(
#[strong(rename_to = parent)]
self,
move |w: AuthorizationWindow, fp: String| {
w.close();
parent.open_fingerprint_dialog(Some(fp));
}
),
);
window.connect_closure(
"cancel-clicked",
false,
closure_local!(move |w: AuthorizationWindow| {
w.close();
}),
);
window.present();
}
}

View File

@@ -0,0 +1,185 @@
use std::cell::{Cell, RefCell};
use adw::subclass::prelude::*;
use adw::{prelude::*, ActionRow, PreferencesGroup, ToastOverlay};
use glib::subclass::InitializingObject;
use gtk::glib::clone;
use gtk::{gdk, gio, glib, Button, CompositeTemplate, Entry, Image, Label, ListBox};
use lan_mouse_ipc::{FrontendRequestWriter, DEFAULT_PORT};
#[derive(CompositeTemplate, Default)]
#[template(resource = "/de/feschber/LanMouse/window.ui")]
pub struct Window {
#[template_child]
pub authorized_placeholder: TemplateChild<ActionRow>,
#[template_child]
pub fingerprint_row: TemplateChild<ActionRow>,
#[template_child]
pub port_edit_apply: TemplateChild<Button>,
#[template_child]
pub port_edit_cancel: TemplateChild<Button>,
#[template_child]
pub client_list: TemplateChild<ListBox>,
#[template_child]
pub client_placeholder: TemplateChild<ActionRow>,
#[template_child]
pub port_entry: TemplateChild<Entry>,
#[template_child]
pub hostname_copy_icon: TemplateChild<Image>,
#[template_child]
pub hostname_label: TemplateChild<Label>,
#[template_child]
pub toast_overlay: TemplateChild<ToastOverlay>,
#[template_child]
pub capture_emulation_group: TemplateChild<PreferencesGroup>,
#[template_child]
pub capture_status_row: TemplateChild<ActionRow>,
#[template_child]
pub emulation_status_row: TemplateChild<ActionRow>,
#[template_child]
pub input_emulation_button: TemplateChild<Button>,
#[template_child]
pub input_capture_button: TemplateChild<Button>,
#[template_child]
pub authorized_list: TemplateChild<ListBox>,
pub clients: RefCell<Option<gio::ListStore>>,
pub authorized: RefCell<Option<gio::ListStore>>,
pub frontend_request_writer: RefCell<Option<FrontendRequestWriter>>,
pub port: Cell<u16>,
pub capture_active: Cell<bool>,
pub emulation_active: Cell<bool>,
}
#[glib::object_subclass]
impl ObjectSubclass for Window {
// `NAME` needs to match `class` attribute of template
const NAME: &'static str = "LanMouseWindow";
const ABSTRACT: bool = false;
type Type = super::Window;
type ParentType = adw::ApplicationWindow;
fn class_init(klass: &mut Self::Class) {
klass.bind_template();
klass.bind_template_callbacks();
}
fn instance_init(obj: &InitializingObject<Self>) {
obj.init_template();
}
}
#[gtk::template_callbacks]
impl Window {
#[template_callback]
fn handle_add_client_pressed(&self, _button: &Button) {
self.obj().request_client_create();
}
#[template_callback]
fn handle_copy_hostname(&self, _: &Button) {
if let Ok(hostname) = hostname::get() {
let display = gdk::Display::default().unwrap();
let clipboard = display.clipboard();
clipboard.set_text(hostname.to_str().expect("hostname: invalid utf8"));
let icon = self.hostname_copy_icon.clone();
icon.set_icon_name(Some("emblem-ok-symbolic"));
icon.set_css_classes(&["success"]);
glib::spawn_future_local(clone!(
#[weak]
icon,
async move {
glib::timeout_future_seconds(1).await;
icon.set_icon_name(Some("edit-copy-symbolic"));
icon.set_css_classes(&[]);
}
));
}
}
#[template_callback]
fn handle_copy_fingerprint(&self, button: &Button) {
let fingerprint: String = self.fingerprint_row.property("subtitle");
let display = gdk::Display::default().unwrap();
let clipboard = display.clipboard();
clipboard.set_text(&fingerprint);
button.set_icon_name("emblem-ok-symbolic");
button.set_css_classes(&["success"]);
glib::spawn_future_local(clone!(
#[weak]
button,
async move {
glib::timeout_future_seconds(1).await;
button.set_icon_name("edit-copy-symbolic");
button.set_css_classes(&[]);
}
));
}
#[template_callback]
fn handle_port_changed(&self, _entry: &Entry) {
self.port_edit_apply.set_visible(true);
self.port_edit_cancel.set_visible(true);
}
#[template_callback]
fn handle_port_edit_apply(&self) {
self.obj().request_port_change();
}
#[template_callback]
fn handle_port_edit_cancel(&self) {
log::debug!("cancel port edit");
self.port_entry
.set_text(self.port.get().to_string().as_str());
self.port_edit_apply.set_visible(false);
self.port_edit_cancel.set_visible(false);
}
#[template_callback]
fn handle_emulation(&self) {
self.obj().request_emulation();
}
#[template_callback]
fn handle_capture(&self) {
self.obj().request_capture();
}
#[template_callback]
fn handle_add_cert_fingerprint(&self, _button: &Button) {
self.obj().open_fingerprint_dialog(None);
}
pub fn set_port(&self, port: u16) {
self.port.set(port);
if port == DEFAULT_PORT {
self.port_entry.set_text("");
} else {
self.port_entry.set_text(format!("{port}").as_str());
}
self.port_edit_apply.set_visible(false);
self.port_edit_cancel.set_visible(false);
}
}
impl ObjectImpl for Window {
fn constructed(&self) {
if let Ok(hostname) = hostname::get() {
self.hostname_label
.set_text(hostname.to_str().expect("hostname: invalid utf8"));
}
self.parent_constructed();
self.set_port(DEFAULT_PORT);
let obj = self.obj();
obj.setup_icon();
obj.setup_clients();
obj.setup_authorized();
}
}
impl WidgetImpl for Window {}
impl WindowImpl for Window {}
impl ApplicationWindowImpl for Window {}
impl AdwApplicationWindowImpl for Window {}

16
lan-mouse-ipc/Cargo.toml Normal file
View File

@@ -0,0 +1,16 @@
[package]
name = "lan-mouse-ipc"
description = "library for communication between lan-mouse service and frontends"
version = "0.2.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
futures = "0.3.30"
log = "0.4.22"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0.107"
thiserror = "2.0.0"
tokio = { version = "1.32.0", features = ["net", "io-util", "time"] }
tokio-stream = { version = "0.1.15", features = ["io-util"] }

View File

@@ -0,0 +1,89 @@
use crate::{ConnectionError, FrontendEvent, FrontendRequest, IpcError};
use std::{
cmp::min,
io::{self, prelude::*, BufReader, LineWriter, Lines},
thread,
time::Duration,
};
#[cfg(unix)]
use std::os::unix::net::UnixStream;
#[cfg(windows)]
use std::net::TcpStream;
pub struct FrontendEventReader {
#[cfg(unix)]
lines: Lines<BufReader<UnixStream>>,
#[cfg(windows)]
lines: Lines<BufReader<TcpStream>>,
}
pub struct FrontendRequestWriter {
#[cfg(unix)]
line_writer: LineWriter<UnixStream>,
#[cfg(windows)]
line_writer: LineWriter<TcpStream>,
}
impl FrontendEventReader {
pub fn next_event(&mut self) -> Option<Result<FrontendEvent, IpcError>> {
match self.lines.next()? {
Err(e) => Some(Err(e.into())),
Ok(l) => Some(serde_json::from_str(l.as_str()).map_err(|e| e.into())),
}
}
}
impl FrontendRequestWriter {
pub fn request(&mut self, request: FrontendRequest) -> Result<(), io::Error> {
let mut json = serde_json::to_string(&request).unwrap();
log::debug!("requesting: {json}");
json.push('\n');
self.line_writer.write_all(json.as_bytes())?;
Ok(())
}
}
pub fn connect() -> Result<(FrontendEventReader, FrontendRequestWriter), ConnectionError> {
let rx = wait_for_service()?;
let tx = rx.try_clone()?;
let buf_reader = BufReader::new(rx);
let lines = buf_reader.lines();
let line_writer = LineWriter::new(tx);
let reader = FrontendEventReader { lines };
let writer = FrontendRequestWriter { line_writer };
Ok((reader, writer))
}
/// wait for the lan-mouse socket to come online
#[cfg(unix)]
fn wait_for_service() -> Result<UnixStream, ConnectionError> {
let socket_path = crate::default_socket_path()?;
let mut duration = Duration::from_millis(10);
loop {
if let Ok(stream) = UnixStream::connect(&socket_path) {
break Ok(stream);
}
// a signaling mechanism or inotify could be used to
// improve this
thread::sleep(exponential_back_off(&mut duration));
}
}
#[cfg(windows)]
fn wait_for_service() -> Result<TcpStream, ConnectionError> {
let mut duration = Duration::from_millis(10);
loop {
if let Ok(stream) = TcpStream::connect("127.0.0.1:5252") {
break Ok(stream);
}
thread::sleep(exponential_back_off(&mut duration));
}
}
fn exponential_back_off(duration: &mut Duration) -> Duration {
let new = duration.saturating_mul(2);
*duration = min(new, Duration::from_secs(1));
*duration
}

View File

@@ -0,0 +1,111 @@
use crate::{ConnectionError, FrontendEvent, FrontendRequest, IpcError};
use std::{
cmp::min,
task::{ready, Poll},
time::Duration,
};
use futures::{Stream, StreamExt};
use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, ReadHalf, WriteHalf};
use tokio_stream::wrappers::LinesStream;
#[cfg(unix)]
use tokio::net::UnixStream;
#[cfg(windows)]
use tokio::net::TcpStream;
pub struct AsyncFrontendEventReader {
#[cfg(unix)]
lines_stream: LinesStream<BufReader<ReadHalf<UnixStream>>>,
#[cfg(windows)]
lines_stream: LinesStream<BufReader<ReadHalf<TcpStream>>>,
}
pub struct AsyncFrontendRequestWriter {
#[cfg(unix)]
tx: WriteHalf<UnixStream>,
#[cfg(windows)]
tx: WriteHalf<TcpStream>,
}
impl Stream for AsyncFrontendEventReader {
type Item = Result<FrontendEvent, IpcError>;
fn poll_next(
mut self: std::pin::Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Option<Self::Item>> {
let line = ready!(self.lines_stream.poll_next_unpin(cx));
let event = line.map(|l| {
l.map_err(Into::<IpcError>::into)
.and_then(|l| serde_json::from_str(l.as_str()).map_err(|e| e.into()))
});
Poll::Ready(event)
}
}
impl AsyncFrontendRequestWriter {
pub async fn request(&mut self, request: FrontendRequest) -> Result<(), IpcError> {
let mut json = serde_json::to_string(&request).unwrap();
log::debug!("requesting: {json}");
json.push('\n');
self.tx.write_all(json.as_bytes()).await?;
Ok(())
}
}
pub async fn connect_async(
timeout: Option<Duration>,
) -> Result<(AsyncFrontendEventReader, AsyncFrontendRequestWriter), ConnectionError> {
let stream = if let Some(duration) = timeout {
tokio::select! {
s = wait_for_service() => s?,
_ = tokio::time::sleep(duration) => return Err(ConnectionError::Timeout),
}
} else {
wait_for_service().await?
};
#[cfg(unix)]
let (rx, tx): (ReadHalf<UnixStream>, WriteHalf<UnixStream>) = tokio::io::split(stream);
#[cfg(windows)]
let (rx, tx): (ReadHalf<TcpStream>, WriteHalf<TcpStream>) = tokio::io::split(stream);
let buf_reader = BufReader::new(rx);
let lines = buf_reader.lines();
let lines_stream = LinesStream::new(lines);
let reader = AsyncFrontendEventReader { lines_stream };
let writer = AsyncFrontendRequestWriter { tx };
Ok((reader, writer))
}
/// wait for the lan-mouse socket to come online
#[cfg(unix)]
async fn wait_for_service() -> Result<UnixStream, ConnectionError> {
let socket_path = crate::default_socket_path()?;
let mut duration = Duration::from_millis(10);
loop {
if let Ok(stream) = UnixStream::connect(&socket_path).await {
break Ok(stream);
}
// a signaling mechanism or inotify could be used to
// improve this
tokio::time::sleep(exponential_back_off(&mut duration)).await;
}
}
#[cfg(windows)]
async fn wait_for_service() -> Result<TcpStream, ConnectionError> {
let mut duration = Duration::from_millis(10);
loop {
if let Ok(stream) = TcpStream::connect("127.0.0.1:5252").await {
break Ok(stream);
}
tokio::time::sleep(exponential_back_off(&mut duration)).await;
}
}
fn exponential_back_off(duration: &mut Duration) -> Duration {
let new = duration.saturating_mul(2);
*duration = min(new, Duration::from_secs(1));
*duration
}

299
lan-mouse-ipc/src/lib.rs Normal file
View File

@@ -0,0 +1,299 @@
use std::{
collections::{HashMap, HashSet},
env::VarError,
fmt::Display,
io,
net::{IpAddr, SocketAddr},
str::FromStr,
};
use thiserror::Error;
#[cfg(unix)]
use std::{
env,
path::{Path, PathBuf},
};
use serde::{Deserialize, Serialize};
mod connect;
mod connect_async;
mod listen;
pub use connect::{connect, FrontendEventReader, FrontendRequestWriter};
pub use connect_async::{connect_async, AsyncFrontendEventReader, AsyncFrontendRequestWriter};
pub use listen::AsyncFrontendListener;
#[derive(Debug, Error)]
pub enum ConnectionError {
#[error(transparent)]
SocketPath(#[from] SocketPathError),
#[error(transparent)]
Io(#[from] io::Error),
#[error("connection timed out")]
Timeout,
}
#[derive(Debug, Error)]
pub enum IpcListenerCreationError {
#[error("could not determine socket-path: `{0}`")]
SocketPath(#[from] SocketPathError),
#[error("service already running!")]
AlreadyRunning,
#[error("failed to bind lan-mouse socket: `{0}`")]
Bind(io::Error),
}
#[derive(Debug, Error)]
pub enum IpcError {
#[error("io error occured: `{0}`")]
Io(#[from] io::Error),
#[error("invalid json: `{0}`")]
Json(#[from] serde_json::Error),
#[error(transparent)]
Connection(#[from] ConnectionError),
#[error(transparent)]
Listen(#[from] IpcListenerCreationError),
}
pub const DEFAULT_PORT: u16 = 4242;
#[derive(Debug, Default, Eq, Hash, PartialEq, Clone, Copy, Serialize, Deserialize)]
#[serde(rename_all = "lowercase")]
pub enum Position {
#[default]
Left,
Right,
Top,
Bottom,
}
impl Position {
pub fn opposite(&self) -> Self {
match self {
Position::Left => Position::Right,
Position::Right => Position::Left,
Position::Top => Position::Bottom,
Position::Bottom => Position::Top,
}
}
}
#[derive(Debug, Error)]
#[error("not a valid position: {pos}")]
pub struct PositionParseError {
pos: String,
}
impl FromStr for Position {
type Err = PositionParseError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"left" => Ok(Self::Left),
"right" => Ok(Self::Right),
"top" => Ok(Self::Top),
"bottom" => Ok(Self::Bottom),
_ => Err(PositionParseError { pos: s.into() }),
}
}
}
impl Display for Position {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}",
match self {
Position::Left => "left",
Position::Right => "right",
Position::Top => "top",
Position::Bottom => "bottom",
}
)
}
}
impl TryFrom<&str> for Position {
type Error = ();
fn try_from(s: &str) -> Result<Self, Self::Error> {
match s {
"left" => Ok(Position::Left),
"right" => Ok(Position::Right),
"top" => Ok(Position::Top),
"bottom" => Ok(Position::Bottom),
_ => Err(()),
}
}
}
#[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
pub struct ClientConfig {
/// hostname of this client
pub hostname: Option<String>,
/// fix ips, determined by the user
pub fix_ips: Vec<IpAddr>,
/// both active_addr and addrs can be None / empty so port needs to be stored seperately
pub port: u16,
/// position of a client on screen
pub pos: Position,
/// enter hook
pub cmd: Option<String>,
}
impl Default for ClientConfig {
fn default() -> Self {
Self {
port: DEFAULT_PORT,
hostname: Default::default(),
fix_ips: Default::default(),
pos: Default::default(),
cmd: None,
}
}
}
pub type ClientHandle = u64;
#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct ClientState {
/// events should be sent to and received from the client
pub active: bool,
/// `active` address of the client, used to send data to.
/// This should generally be the socket address where data
/// was last received from.
pub active_addr: Option<SocketAddr>,
/// tracks whether or not the client is available for emulation
pub alive: bool,
/// ips from dns
pub dns_ips: Vec<IpAddr>,
/// all ip addresses associated with a particular client
/// e.g. Laptops usually have at least an ethernet and a wifi port
/// which have different ip addresses
pub ips: HashSet<IpAddr>,
/// client has pressed keys
pub has_pressed_keys: bool,
/// dns resolving in progress
pub resolving: bool,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum FrontendEvent {
/// a client was created
Created(ClientHandle, ClientConfig, ClientState),
/// no such client
NoSuchClient(ClientHandle),
/// state changed
State(ClientHandle, ClientConfig, ClientState),
/// the client was deleted
Deleted(ClientHandle),
/// new port, reason of failure (if failed)
PortChanged(u16, Option<String>),
/// list of all clients, used for initial state synchronization
Enumerate(Vec<(ClientHandle, ClientConfig, ClientState)>),
/// an error occured
Error(String),
/// capture status
CaptureStatus(Status),
/// emulation status
EmulationStatus(Status),
/// authorized public key fingerprints have been updated
AuthorizedUpdated(HashMap<String, String>),
/// public key fingerprint of this device
PublicKeyFingerprint(String),
/// new device connected
DeviceConnected {
addr: SocketAddr,
fingerprint: String,
},
/// incoming device entered the screen
DeviceEntered {
fingerprint: String,
addr: SocketAddr,
pos: Position,
},
/// incoming disconnected
IncomingDisconnected(SocketAddr),
/// failed connection attempt (approval for fingerprint required)
ConnectionAttempt { fingerprint: String },
}
#[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
pub enum FrontendRequest {
/// activate/deactivate client
Activate(ClientHandle, bool),
/// add a new client
Create,
/// change the listen port (recreate udp listener)
ChangePort(u16),
/// remove a client
Delete(ClientHandle),
/// request an enumeration of all clients
Enumerate(),
/// resolve dns
ResolveDns(ClientHandle),
/// update hostname
UpdateHostname(ClientHandle, Option<String>),
/// update port
UpdatePort(ClientHandle, u16),
/// update position
UpdatePosition(ClientHandle, Position),
/// update fix-ips
UpdateFixIps(ClientHandle, Vec<IpAddr>),
/// request reenabling input capture
EnableCapture,
/// request reenabling input emulation
EnableEmulation,
/// synchronize all state
Sync,
/// authorize fingerprint (description, fingerprint)
AuthorizeKey(String, String),
/// remove fingerprint (fingerprint)
RemoveAuthorizedKey(String),
/// change the hook command
UpdateEnterHook(u64, Option<String>),
}
#[derive(Clone, Copy, PartialEq, Eq, Debug, Default, Serialize, Deserialize)]
pub enum Status {
#[default]
Disabled,
Enabled,
}
impl From<Status> for bool {
fn from(status: Status) -> Self {
match status {
Status::Enabled => true,
Status::Disabled => false,
}
}
}
#[cfg(unix)]
const LAN_MOUSE_SOCKET_NAME: &str = "lan-mouse-socket.sock";
#[derive(Debug, Error)]
pub enum SocketPathError {
#[error("could not determine $XDG_RUNTIME_DIR: `{0}`")]
XdgRuntimeDirNotFound(VarError),
#[error("could not determine $HOME: `{0}`")]
HomeDirNotFound(VarError),
}
#[cfg(all(unix, not(target_os = "macos")))]
pub fn default_socket_path() -> Result<PathBuf, SocketPathError> {
let xdg_runtime_dir =
env::var("XDG_RUNTIME_DIR").map_err(SocketPathError::XdgRuntimeDirNotFound)?;
Ok(Path::new(xdg_runtime_dir.as_str()).join(LAN_MOUSE_SOCKET_NAME))
}
#[cfg(all(unix, target_os = "macos"))]
pub fn default_socket_path() -> Result<PathBuf, SocketPathError> {
let home = env::var("HOME").map_err(SocketPathError::HomeDirNotFound)?;
Ok(Path::new(home.as_str())
.join("Library")
.join("Caches")
.join(LAN_MOUSE_SOCKET_NAME))
}

147
lan-mouse-ipc/src/listen.rs Normal file
View File

@@ -0,0 +1,147 @@
use futures::{stream::SelectAll, Stream, StreamExt};
#[cfg(unix)]
use std::path::PathBuf;
use std::{
io::ErrorKind,
pin::Pin,
task::{Context, Poll},
};
use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, ReadHalf, WriteHalf};
use tokio_stream::wrappers::LinesStream;
#[cfg(unix)]
use tokio::net::UnixListener;
#[cfg(unix)]
use tokio::net::UnixStream;
#[cfg(windows)]
use tokio::net::TcpListener;
#[cfg(windows)]
use tokio::net::TcpStream;
use crate::{FrontendEvent, FrontendRequest, IpcError, IpcListenerCreationError};
pub struct AsyncFrontendListener {
#[cfg(windows)]
listener: TcpListener,
#[cfg(unix)]
listener: UnixListener,
#[cfg(unix)]
socket_path: PathBuf,
#[cfg(unix)]
line_streams: SelectAll<LinesStream<BufReader<ReadHalf<UnixStream>>>>,
#[cfg(windows)]
line_streams: SelectAll<LinesStream<BufReader<ReadHalf<TcpStream>>>>,
#[cfg(unix)]
tx_streams: Vec<WriteHalf<UnixStream>>,
#[cfg(windows)]
tx_streams: Vec<WriteHalf<TcpStream>>,
}
impl AsyncFrontendListener {
pub async fn new() -> Result<Self, IpcListenerCreationError> {
#[cfg(unix)]
let (socket_path, listener) = {
let socket_path = crate::default_socket_path()?;
log::debug!("remove socket: {:?}", socket_path);
if socket_path.exists() {
// try to connect to see if some other instance
// of lan-mouse is already running
match UnixStream::connect(&socket_path).await {
// connected -> lan-mouse is already running
Ok(_) => return Err(IpcListenerCreationError::AlreadyRunning),
// lan-mouse is not running but a socket was left behind
Err(e) => {
log::debug!("{socket_path:?}: {e} - removing left behind socket");
let _ = std::fs::remove_file(&socket_path);
}
}
}
let listener = match UnixListener::bind(&socket_path) {
Ok(ls) => ls,
// some other lan-mouse instance has bound the socket in the meantime
Err(e) if e.kind() == ErrorKind::AddrInUse => {
return Err(IpcListenerCreationError::AlreadyRunning)
}
Err(e) => return Err(IpcListenerCreationError::Bind(e)),
};
(socket_path, listener)
};
#[cfg(windows)]
let listener = match TcpListener::bind("127.0.0.1:5252").await {
Ok(ls) => ls,
// some other lan-mouse instance has bound the socket in the meantime
Err(e) if e.kind() == ErrorKind::AddrInUse => {
return Err(IpcListenerCreationError::AlreadyRunning)
}
Err(e) => return Err(IpcListenerCreationError::Bind(e)),
};
let adapter = Self {
listener,
#[cfg(unix)]
socket_path,
line_streams: SelectAll::new(),
tx_streams: vec![],
};
Ok(adapter)
}
pub async fn broadcast(&mut self, notify: FrontendEvent) {
// encode event
let mut json = serde_json::to_string(&notify).unwrap();
json.push('\n');
let mut keep = vec![];
// TODO do simultaneously
for tx in self.tx_streams.iter_mut() {
// write len + payload
if tx.write(json.as_bytes()).await.is_err() {
keep.push(false);
continue;
}
keep.push(true);
}
// could not find a better solution because async
let mut keep = keep.into_iter();
self.tx_streams.retain(|_| keep.next().unwrap());
}
}
#[cfg(unix)]
impl Drop for AsyncFrontendListener {
fn drop(&mut self) {
log::debug!("remove socket: {:?}", self.socket_path);
let _ = std::fs::remove_file(&self.socket_path);
}
}
impl Stream for AsyncFrontendListener {
type Item = Result<FrontendRequest, IpcError>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
if let Poll::Ready(Some(Ok(l))) = self.line_streams.poll_next_unpin(cx) {
let request = serde_json::from_str(l.as_str()).map_err(|e| e.into());
return Poll::Ready(Some(request));
}
let mut sync = false;
while let Poll::Ready(Ok((stream, _))) = self.listener.poll_accept(cx) {
let (rx, tx) = tokio::io::split(stream);
let buf_reader = BufReader::new(rx);
let lines = buf_reader.lines();
let lines = LinesStream::new(lines);
self.line_streams.push(lines);
self.tx_streams.push(tx);
sync = true;
}
if sync {
Poll::Ready(Some(Ok(FrontendRequest::Sync)))
} else {
Poll::Pending
}
}
}

View File

@@ -0,0 +1,13 @@
[package]
name = "lan-mouse-proto"
description = "network protocol for lan-mouse"
version = "0.2.0"
edition = "2021"
license = "GPL-3.0-or-later"
repository = "https://github.com/feschber/lan-mouse"
[dependencies]
num_enum = "0.7.2"
thiserror = "2.0.0"
input-event = { path = "../input-event", version = "0.3.0" }
paste = "1.0"

282
lan-mouse-proto/src/lib.rs Normal file
View File

@@ -0,0 +1,282 @@
use input_event::{Event as InputEvent, KeyboardEvent, PointerEvent};
use num_enum::{IntoPrimitive, TryFromPrimitive, TryFromPrimitiveError};
use paste::paste;
use std::{
fmt::{Debug, Display, Formatter},
mem::size_of,
};
use thiserror::Error;
/// defines the maximum size an encoded event can take up
/// this is currently the pointer motion event
/// type: u8, time: u32, dx: f64, dy: f64
pub const MAX_EVENT_SIZE: usize = size_of::<u8>() + size_of::<u32>() + 2 * size_of::<f64>();
/// error type for protocol violations
#[derive(Debug, Error)]
pub enum ProtocolError {
/// event type does not exist
#[error("invalid event id: `{0}`")]
InvalidEventId(#[from] TryFromPrimitiveError<EventType>),
/// position type does not exist
#[error("invalid event id: `{0}`")]
InvalidPosition(#[from] TryFromPrimitiveError<Position>),
}
/// Position of a client
#[derive(Clone, Copy, Debug, TryFromPrimitive, IntoPrimitive)]
#[repr(u8)]
pub enum Position {
Left,
Right,
Top,
Bottom,
}
impl Display for Position {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
let pos = match self {
Position::Left => "left",
Position::Right => "right",
Position::Top => "top",
Position::Bottom => "bottom",
};
write!(f, "{pos}")
}
}
/// main lan-mouse protocol event type
#[derive(Clone, Copy, Debug)]
pub enum ProtoEvent {
/// notify a client that the cursor entered its region at the given position
/// [`ProtoEvent::Ack`] with the same serial is used for synchronization between devices
Enter(Position),
/// notify a client that the cursor left its region
/// [`ProtoEvent::Ack`] with the same serial is used for synchronization between devices
Leave(u32),
/// acknowledge of an [`ProtoEvent::Enter`] or [`ProtoEvent::Leave`] event
Ack(u32),
/// Input event
Input(InputEvent),
/// Ping event for tracking unresponsive clients.
/// A client has to respond with [`ProtoEvent::Pong`].
Ping,
/// Response to [`ProtoEvent::Ping`], true if emulation is enabled / available
Pong(bool),
}
impl Display for ProtoEvent {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
ProtoEvent::Enter(s) => write!(f, "Enter({s})"),
ProtoEvent::Leave(s) => write!(f, "Leave({s})"),
ProtoEvent::Ack(s) => write!(f, "Ack({s})"),
ProtoEvent::Input(e) => write!(f, "{e}"),
ProtoEvent::Ping => write!(f, "ping"),
ProtoEvent::Pong(alive) => {
write!(
f,
"pong: {}",
if *alive { "alive" } else { "not available" }
)
}
}
}
}
#[derive(TryFromPrimitive, IntoPrimitive)]
#[repr(u8)]
pub enum EventType {
PointerMotion,
PointerButton,
PointerAxis,
PointerAxisValue120,
KeyboardKey,
KeyboardModifiers,
Ping,
Pong,
Enter,
Leave,
Ack,
}
impl ProtoEvent {
fn event_type(&self) -> EventType {
match self {
ProtoEvent::Input(e) => match e {
InputEvent::Pointer(p) => match p {
PointerEvent::Motion { .. } => EventType::PointerMotion,
PointerEvent::Button { .. } => EventType::PointerButton,
PointerEvent::Axis { .. } => EventType::PointerAxis,
PointerEvent::AxisDiscrete120 { .. } => EventType::PointerAxisValue120,
},
InputEvent::Keyboard(k) => match k {
KeyboardEvent::Key { .. } => EventType::KeyboardKey,
KeyboardEvent::Modifiers { .. } => EventType::KeyboardModifiers,
},
},
ProtoEvent::Ping => EventType::Ping,
ProtoEvent::Pong(_) => EventType::Pong,
ProtoEvent::Enter(_) => EventType::Enter,
ProtoEvent::Leave(_) => EventType::Leave,
ProtoEvent::Ack(_) => EventType::Ack,
}
}
}
impl TryFrom<[u8; MAX_EVENT_SIZE]> for ProtoEvent {
type Error = ProtocolError;
fn try_from(buf: [u8; MAX_EVENT_SIZE]) -> Result<Self, Self::Error> {
let mut buf = &buf[..];
let event_type = decode_u8(&mut buf)?;
match EventType::try_from(event_type)? {
EventType::PointerMotion => {
Ok(Self::Input(InputEvent::Pointer(PointerEvent::Motion {
time: decode_u32(&mut buf)?,
dx: decode_f64(&mut buf)?,
dy: decode_f64(&mut buf)?,
})))
}
EventType::PointerButton => {
Ok(Self::Input(InputEvent::Pointer(PointerEvent::Button {
time: decode_u32(&mut buf)?,
button: decode_u32(&mut buf)?,
state: decode_u32(&mut buf)?,
})))
}
EventType::PointerAxis => Ok(Self::Input(InputEvent::Pointer(PointerEvent::Axis {
time: decode_u32(&mut buf)?,
axis: decode_u8(&mut buf)?,
value: decode_f64(&mut buf)?,
}))),
EventType::PointerAxisValue120 => Ok(Self::Input(InputEvent::Pointer(
PointerEvent::AxisDiscrete120 {
axis: decode_u8(&mut buf)?,
value: decode_i32(&mut buf)?,
},
))),
EventType::KeyboardKey => Ok(Self::Input(InputEvent::Keyboard(KeyboardEvent::Key {
time: decode_u32(&mut buf)?,
key: decode_u32(&mut buf)?,
state: decode_u8(&mut buf)?,
}))),
EventType::KeyboardModifiers => Ok(Self::Input(InputEvent::Keyboard(
KeyboardEvent::Modifiers {
depressed: decode_u32(&mut buf)?,
latched: decode_u32(&mut buf)?,
locked: decode_u32(&mut buf)?,
group: decode_u32(&mut buf)?,
},
))),
EventType::Ping => Ok(Self::Ping),
EventType::Pong => Ok(Self::Pong(decode_u8(&mut buf)? != 0)),
EventType::Enter => Ok(Self::Enter(decode_u8(&mut buf)?.try_into()?)),
EventType::Leave => Ok(Self::Leave(decode_u32(&mut buf)?)),
EventType::Ack => Ok(Self::Ack(decode_u32(&mut buf)?)),
}
}
}
impl From<ProtoEvent> for ([u8; MAX_EVENT_SIZE], usize) {
fn from(event: ProtoEvent) -> Self {
let mut buf = [0u8; MAX_EVENT_SIZE];
let mut len = 0usize;
{
let mut buf = &mut buf[..];
let buf = &mut buf;
let len = &mut len;
encode_u8(buf, len, event.event_type() as u8);
match event {
ProtoEvent::Input(event) => match event {
InputEvent::Pointer(p) => match p {
PointerEvent::Motion { time, dx, dy } => {
encode_u32(buf, len, time);
encode_f64(buf, len, dx);
encode_f64(buf, len, dy);
}
PointerEvent::Button {
time,
button,
state,
} => {
encode_u32(buf, len, time);
encode_u32(buf, len, button);
encode_u32(buf, len, state);
}
PointerEvent::Axis { time, axis, value } => {
encode_u32(buf, len, time);
encode_u8(buf, len, axis);
encode_f64(buf, len, value);
}
PointerEvent::AxisDiscrete120 { axis, value } => {
encode_u8(buf, len, axis);
encode_i32(buf, len, value);
}
},
InputEvent::Keyboard(k) => match k {
KeyboardEvent::Key { time, key, state } => {
encode_u32(buf, len, time);
encode_u32(buf, len, key);
encode_u8(buf, len, state);
}
KeyboardEvent::Modifiers {
depressed,
latched,
locked,
group,
} => {
encode_u32(buf, len, depressed);
encode_u32(buf, len, latched);
encode_u32(buf, len, locked);
encode_u32(buf, len, group);
}
},
},
ProtoEvent::Ping => {}
ProtoEvent::Pong(alive) => encode_u8(buf, len, alive as u8),
ProtoEvent::Enter(pos) => encode_u8(buf, len, pos as u8),
ProtoEvent::Leave(serial) => encode_u32(buf, len, serial),
ProtoEvent::Ack(serial) => encode_u32(buf, len, serial),
}
}
(buf, len)
}
}
macro_rules! decode_impl {
($t:ty) => {
paste! {
fn [<decode_ $t>](data: &mut &[u8]) -> Result<$t, ProtocolError> {
let (int_bytes, rest) = data.split_at(size_of::<$t>());
*data = rest;
Ok($t::from_be_bytes(int_bytes.try_into().unwrap()))
}
}
};
}
decode_impl!(u8);
decode_impl!(u32);
decode_impl!(i32);
decode_impl!(f64);
macro_rules! encode_impl {
($t:ty) => {
paste! {
fn [<encode_ $t>](buf: &mut &mut [u8], amt: &mut usize, n: $t) {
let src = n.to_be_bytes();
let data = std::mem::take(buf);
let (int_bytes, rest) = data.split_at_mut(size_of::<$t>());
int_bytes.copy_from_slice(&src);
*amt += size_of::<$t>();
*buf = rest
}
}
};
}
encode_impl!(u8);
encode_impl!(u32);
encode_impl!(i32);
encode_impl!(f64);

View File

@@ -34,6 +34,9 @@ enable lan-mouse
enable = true;
# systemd = false;
# package = inputs.lan-mouse.packages.${pkgs.stdenv.hostPlatform.system}.default
# Optional configuration in nix syntax, see config.toml for available options
# settings = { };
};
};
}

View File

@@ -2,14 +2,20 @@
rustPlatform,
lib,
pkgs,
}:
}: let
cargoToml = builtins.fromTOML (builtins.readFile ../Cargo.toml);
pname = cargoToml.package.name;
version = cargoToml.package.version;
in
rustPlatform.buildRustPackage {
pname = "lan-mouse";
version = "0.7.0";
pname = pname;
version = version;
nativeBuildInputs = with pkgs; [
git
pkg-config
cmake
makeWrapper
buildPackages.gtk4
];
@@ -18,10 +24,14 @@ rustPlatform.buildRustPackage {
gtk4
libadwaita
xorg.libXtst
];
] ++ lib.optionals stdenv.isDarwin
(with darwin.apple_sdk_11_0.frameworks; [
CoreGraphics
ApplicationServices
]);
src = builtins.path {
name = "lan-mouse";
name = pname;
path = lib.cleanSource ../.;
};
@@ -30,13 +40,22 @@ rustPlatform.buildRustPackage {
# Set Environment Variables
RUST_BACKTRACE = "full";
# Needed to enable support for SVG icons in GTK
postInstall = ''
wrapProgram "$out/bin/lan-mouse" \
--set GDK_PIXBUF_MODULE_FILE ${pkgs.librsvg.out}/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
install -Dm444 *.desktop -t $out/share/applications
install -Dm444 lan-mouse-gtk/resources/*.svg -t $out/share/icons/hicolor/scalable/apps
'';
meta = with lib; {
description = "Lan Mouse is a mouse and keyboard sharing software";
longDescription = ''
Lan Mouse is a mouse and keyboard sharing software similar to universal-control on Apple devices. It allows for using multiple pcs with a single set of mouse and keyboard. This is also known as a Software KVM switch.
The primary target is Wayland on Linux but Windows and MacOS and Linux on Xorg have partial support as well (see below for more details).
'';
mainProgram = "lan-mouse";
mainProgram = pname;
platforms = platforms.all;
};
}

View File

@@ -7,6 +7,7 @@ self: {
with lib; let
cfg = config.programs.lan-mouse;
defaultPackage = self.packages.${pkgs.stdenv.hostPlatform.system}.default;
tomlFormat = pkgs.formats.toml {};
in {
options.programs.lan-mouse = with types; {
enable = mkEnableOption "Whether or not to enable lan-mouse.";
@@ -23,7 +24,23 @@ in {
systemd = mkOption {
type = types.bool;
default = pkgs.stdenv.isLinux;
description = "Whether to enable to systemd service for lan-mouse.";
description = "Whether to enable to systemd service for lan-mouse on linux.";
};
launchd = mkOption {
type = types.bool;
default = pkgs.stdenv.isDarwin;
description = "Whether to enable to launchd service for lan-mouse on macOS.";
};
settings = lib.mkOption {
inherit (tomlFormat) type;
default = {};
example = builtins.fromTOML (builtins.readFile (self + /config.toml));
description = ''
Optional configuration written to {file}`$XDG_CONFIG_HOME/lan-mouse/config.toml`.
See <https://github.com/feschber/lan-mouse/> for
available options and documentation.
'';
};
};
@@ -35,7 +52,7 @@ in {
};
Service = {
Type = "simple";
ExecStart = "${cfg.package}/bin/lan-mouse --daemon";
ExecStart = "${cfg.package}/bin/lan-mouse daemon";
};
Install.WantedBy = [
(lib.mkIf config.wayland.windowManager.hyprland.systemd.enable "hyprland-session.target")
@@ -43,8 +60,23 @@ in {
];
};
launchd.agents.lan-mouse = lib.mkIf cfg.launchd {
enable = true;
config = {
ProgramArguments = [
"${cfg.package}/bin/lan-mouse"
"daemon"
];
KeepAlive = true;
};
};
home.packages = [
cfg.package
];
xdg.configFile."lan-mouse/config.toml" = lib.mkIf (cfg.settings != {}) {
source = tomlFormat.generate "config.toml" cfg.settings;
};
};
}

View File

@@ -1,11 +0,0 @@
#delete-button {
color: @red_1;
}
#port-edit-cancel {
color: @red_1;
}
#port-edit-apply {
color: @green_1;
}

View File

@@ -1,11 +0,0 @@
#delete-button {
color: @red_3;
}
#port-edit-cancel {
color: @red_3;
}
#port-edit-apply {
color: @green_3;
}

View File

@@ -1,146 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<requires lib="gtk" version="4.0"/>
<requires lib="libadwaita" version="1.0"/>
<menu id="main-menu">
<item>
<attribute name="label" translatable="yes">_Close window</attribute>
<attribute name="action">window.close</attribute>
</item>
</menu>
<template class="LanMouseWindow" parent="AdwApplicationWindow">
<property name="width-request">600</property>
<property name="height-request">700</property>
<property name="title" translatable="yes">Lan Mouse</property>
<property name="show-menubar">True</property>
<property name="content">
<object class="GtkBox">
<property name="orientation">vertical</property>
<child type="top">
<object class="AdwHeaderBar">
<child type ="end">
<object class="GtkMenuButton">
<property name="icon-name">open-menu-symbolic</property>
<property name="menu-model">main-menu</property>
</object>
</child>
<style>
<class name="flat"/>
</style>
</object>
</child>
<child>
<object class="AdwToastOverlay" id="toast_overlay">
<child>
<object class="AdwStatusPage">
<property name="title" translatable="yes">Lan Mouse</property>
<property name="description" translatable="yes">easily use your mouse and keyboard on multiple computers</property>
<property name="icon-name">de.feschber.LanMouse</property>
<property name="child">
<object class="AdwClamp">
<property name="maximum-size">600</property>
<property name="tightening-threshold">0</property>
<property name="child">
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">12</property>
<child>
<object class="AdwPreferencesGroup">
<property name="title" translatable="yes">General</property>
<!--
<child>
<object class="AdwActionRow">
<property name="title" translatable="yes">enable</property>
<child type="suffix">
<object class="GtkSwitch">
<property name="valign">center</property>
<property name="tooltip-text" translatable="yes">enable</property>
</object>
</child>
</object>
</child>
-->
<child>
<object class="AdwActionRow">
<property name="title">port</property>
<child>
<object class="GtkEntry" id="port_entry">
<signal name="activate" handler="handle_port_edit_apply" swapped="true"/>
<signal name="changed" handler="handle_port_changed" swapped="true"/>
<!-- <signal name="delete-text" handler="handle_port_changed" swapped="true"/> -->
<!-- <property name="title" translatable="yes">port</property> -->
<property name="placeholder-text">4242</property>
<property name="width-chars">5</property>
<property name="xalign">0.5</property>
<property name="valign">center</property>
<!-- <property name="show-apply-button">True</property> -->
<property name="input-purpose">GTK_INPUT_PURPOSE_DIGITS</property>
</object>
</child>
<child>
<object class="GtkButton" id="port_edit_apply">
<signal name="clicked" handler="handle_port_edit_apply" swapped="true"/>
<property name="icon-name">object-select-symbolic</property>
<property name="valign">center</property>
<property name="visible">false</property>
<property name="name">port-edit-apply</property>
</object>
</child>
<child>
<object class="GtkButton" id="port_edit_cancel">
<signal name="clicked" handler="handle_port_edit_cancel" swapped="true"/>
<property name="icon-name">process-stop-symbolic</property>
<property name="valign">center</property>
<property name="visible">false</property>
<property name="name">port-edit-cancel</property>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="AdwPreferencesGroup">
<property name="title" translatable="yes">Connections</property>
<property name="header-suffix">
<object class="GtkButton">
<signal name="clicked" handler="handle_add_client_pressed" swapped="true"/>
<property name="child">
<object class="AdwButtonContent">
<property name="icon-name">list-add-symbolic</property>
<property name="label" translatable="yes">Add</property>
</object>
</property>
<style>
<class name="flat"/>
</style>
</object>
</property>
<child>
<object class="GtkListBox" id="client_list">
<property name="selection-mode">none</property>
<child type="placeholder">
<object class="AdwActionRow" id="client_placeholder">
<property name="title">No connections!</property>
<property name="subtitle">add a new client via the + button</property>
</object>
</child>
<style>
<class name="boxed-list" />
</style>
</object>
</child>
</object>
</child>
</object>
</property>
</object>
</property>
</object>
</child>
</object>
</child>
</object>
</property>
</template>
</interface>

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42
scripts/makeicns.sh Executable file
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@@ -0,0 +1,42 @@
#!/bin/sh
set -e
usage() {
cat <<EOF
$0: Make a macOS icns file from an SVG with ImageMagick and iconutil.
usage: $0 [SVG [ICNS [ICONSET]]
ARGUMENTS
SVG The SVG file to convert
Defaults to ./lan-mouse-gtk/resources/de.feschber.LanMouse.svg
ICNS The icns file to create
Defaults to ./target/icon.icns
ICONSET The iconset directory to create
Defaults to ./target/icon.iconset
This is just a temporary directory
EOF
}
if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
usage
exit 0
fi
svg="${1:-./lan-mouse-gtk/resources/de.feschber.LanMouse.svg}"
icns="${2:-./target/icon.icns}"
iconset="${3:-./target/icon.iconset}"
set -u
mkdir -p "$iconset"
magick convert -background none -resize 1024x1024 "$svg" "$iconset"/icon_512x512@2x.png
magick convert -background none -resize 512x512 "$svg" "$iconset"/icon_512x512.png
magick convert -background none -resize 256x256 "$svg" "$iconset"/icon_256x256.png
magick convert -background none -resize 128x128 "$svg" "$iconset"/icon_128x128.png
magick convert -background none -resize 64x64 "$svg" "$iconset"/icon_32x32@2x.png
magick convert -background none -resize 32x32 "$svg" "$iconset"/icon_32x32.png
magick convert -background none -resize 16x16 "$svg" "$iconset"/icon_16x16.png
cp "$iconset"/icon_512x512.png "$iconset"/icon_256x256@2x.png
cp "$iconset"/icon_256x256.png "$iconset"/icon_128x128@2x.png
cp "$iconset"/icon_32x32.png "$iconset"/icon_16x16@2x.png
iconutil -c icns "$iconset" -o "$icns"

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@@ -6,7 +6,7 @@ After=graphical-session.target
BindsTo=graphical-session.target
[Service]
ExecStart=/usr/bin/lan-mouse --daemon
ExecStart=/usr/bin/lan-mouse daemon
Restart=on-failure
[Install]

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@@ -1,78 +1,418 @@
use std::io;
use futures_core::Stream;
use crate::{
client::{ClientEvent, ClientHandle},
event::Event,
use std::{
cell::{Cell, RefCell},
rc::Rc,
time::{Duration, Instant},
};
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
pub mod libei;
use futures::StreamExt;
use input_capture::{
CaptureError, CaptureEvent, CaptureHandle, InputCapture, InputCaptureError, Position,
};
use input_event::scancode;
use lan_mouse_proto::ProtoEvent;
use local_channel::mpsc::{channel, Receiver, Sender};
use tokio::task::{spawn_local, JoinHandle};
use tokio_util::sync::CancellationToken;
#[cfg(target_os = "macos")]
pub mod macos;
use crate::connect::LanMouseConnection;
#[cfg(all(unix, feature = "wayland", not(target_os = "macos")))]
pub mod wayland;
#[cfg(windows)]
pub mod windows;
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
pub mod x11;
/// fallback input capture (does not produce events)
pub mod dummy;
pub async fn create() -> Box<dyn InputCapture> {
#[cfg(target_os = "macos")]
match macos::MacOSInputCapture::new() {
Ok(p) => return Box::new(p),
Err(e) => log::info!("macos input capture not available: {e}"),
}
#[cfg(windows)]
match windows::WindowsInputCapture::new() {
Ok(p) => return Box::new(p),
Err(e) => log::info!("windows input capture not available: {e}"),
}
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
match libei::LibeiInputCapture::new().await {
Ok(p) => {
log::info!("using libei input capture");
return Box::new(p);
}
Err(e) => log::info!("libei input capture not available: {e}"),
}
#[cfg(all(unix, feature = "wayland", not(target_os = "macos")))]
match wayland::WaylandInputCapture::new() {
Ok(p) => {
log::info!("using layer-shell input capture");
return Box::new(p);
}
Err(e) => log::info!("layer_shell input capture not available: {e}"),
}
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
match x11::X11InputCapture::new() {
Ok(p) => {
log::info!("using x11 input capture");
return Box::new(p);
}
Err(e) => log::info!("x11 input capture not available: {e}"),
}
log::error!("falling back to dummy input capture");
Box::new(dummy::DummyInputCapture::new())
pub(crate) struct Capture {
cancellation_token: CancellationToken,
request_tx: Sender<CaptureRequest>,
task: JoinHandle<()>,
event_rx: Receiver<ICaptureEvent>,
}
pub trait InputCapture: Stream<Item = io::Result<(ClientHandle, Event)>> + Unpin {
/// notify input capture of configuration changes
fn notify(&mut self, event: ClientEvent) -> io::Result<()>;
/// release mouse
fn release(&mut self) -> io::Result<()>;
pub(crate) enum ICaptureEvent {
/// a client was entered
CaptureBegin(CaptureHandle),
/// capture disabled
CaptureDisabled,
/// capture disabled
CaptureEnabled,
/// A (new) client was entered.
/// In contrast to [`ICaptureEvent::CaptureBegin`] this
/// event is only triggered when the capture was
/// explicitly released in the meantime by
/// either the remote client leaving its device region,
/// a new device entering the screen or the release bind.
ClientEntered(u64),
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub(crate) enum CaptureType {
/// a normal input capture
Default,
/// A capture only interested in [`CaptureEvent::Begin`] events.
/// The capture is released immediately, if there is no
/// Default capture at the same position.
EnterOnly,
}
#[derive(Clone, Copy, Debug)]
enum CaptureRequest {
/// capture must release the mouse
Release,
/// add a capture client
Create(CaptureHandle, Position, CaptureType),
/// destory a capture client
Destroy(CaptureHandle),
/// reenable input capture
Reenable,
}
impl Capture {
pub(crate) fn new(
backend: Option<input_capture::Backend>,
conn: LanMouseConnection,
release_bind: Vec<scancode::Linux>,
) -> Self {
let (request_tx, request_rx) = channel();
let (event_tx, event_rx) = channel();
let cancellation_token = CancellationToken::new();
let capture_task = CaptureTask {
active_client: None,
backend,
cancellation_token: cancellation_token.clone(),
captures: Default::default(),
conn,
event_tx,
request_rx,
release_bind: Rc::new(RefCell::new(release_bind)),
state: Default::default(),
};
let task = spawn_local(capture_task.run());
Self {
cancellation_token,
request_tx,
task,
event_rx,
}
}
pub(crate) fn reenable(&self) {
self.request_tx
.send(CaptureRequest::Reenable)
.expect("channel closed");
}
pub(crate) async fn terminate(&mut self) {
self.cancellation_token.cancel();
log::debug!("terminating capture");
if let Err(e) = (&mut self.task).await {
log::warn!("{e}");
}
}
pub(crate) fn create(
&self,
handle: CaptureHandle,
pos: lan_mouse_ipc::Position,
capture_type: CaptureType,
) {
let pos = to_capture_pos(pos);
self.request_tx
.send(CaptureRequest::Create(handle, pos, capture_type))
.expect("channel closed");
}
pub(crate) fn destroy(&self, handle: CaptureHandle) {
self.request_tx
.send(CaptureRequest::Destroy(handle))
.expect("channel closed");
}
pub(crate) fn release(&self) {
self.request_tx
.send(CaptureRequest::Release)
.expect("channel closed");
}
pub(crate) async fn event(&mut self) -> ICaptureEvent {
self.event_rx.recv().await.expect("channel closed")
}
}
/// debounce a statement `$st`, i.e. the statement is executed only if the
/// time since the previous execution is at least `$dur`.
/// `$prev` is used to keep track of this timestamp
macro_rules! debounce {
($prev:ident, $dur:expr, $st:stmt) => {
let exec = match $prev.get() {
None => true,
Some(instant) if instant.elapsed() > $dur => true,
_ => false,
};
if exec {
$prev.replace(Some(Instant::now()));
$st
}
};
}
struct CaptureTask {
active_client: Option<CaptureHandle>,
backend: Option<input_capture::Backend>,
cancellation_token: CancellationToken,
captures: Vec<(CaptureHandle, Position, CaptureType)>,
conn: LanMouseConnection,
event_tx: Sender<ICaptureEvent>,
release_bind: Rc<RefCell<Vec<scancode::Linux>>>,
request_rx: Receiver<CaptureRequest>,
state: State,
}
impl CaptureTask {
fn add_capture(&mut self, handle: CaptureHandle, pos: Position, capture_type: CaptureType) {
self.captures.push((handle, pos, capture_type));
}
fn remove_capture(&mut self, handle: CaptureHandle) {
self.captures.retain(|&(h, ..)| handle != h);
}
fn is_default_capture_at(&self, pos: Position) -> bool {
self.captures
.iter()
.any(|&(_, p, t)| p == pos && t == CaptureType::Default)
}
fn get_pos(&self, handle: CaptureHandle) -> Position {
self.captures
.iter()
.find(|(h, ..)| *h == handle)
.expect("no such capture")
.1
}
fn get_type(&self, handle: CaptureHandle) -> CaptureType {
self.captures
.iter()
.find(|(h, ..)| *h == handle)
.expect("no such capture")
.2
}
async fn run(mut self) {
loop {
if let Err(e) = self.do_capture().await {
log::warn!("input capture exited: {e}");
}
loop {
tokio::select! {
r = self.request_rx.recv() => match r.expect("channel closed") {
CaptureRequest::Reenable => break,
CaptureRequest::Create(h, p, t) => self.add_capture(h, p, t),
CaptureRequest::Destroy(h) => self.remove_capture(h),
CaptureRequest::Release => { /* nothing to do */ }
},
_ = self.cancellation_token.cancelled() => return,
}
}
}
}
async fn do_capture(&mut self) -> Result<(), InputCaptureError> {
/* allow cancelling capture request */
let mut capture = tokio::select! {
r = InputCapture::new(self.backend) => r?,
_ = self.cancellation_token.cancelled() => return Ok(()),
};
let _capture_guard = DropGuard::new(
self.event_tx.clone(),
ICaptureEvent::CaptureEnabled,
ICaptureEvent::CaptureDisabled,
);
/* create barriers for active clients */
let r = self.create_captures(&mut capture).await;
if let Err(e) = r {
capture.terminate().await?;
return Err(e.into());
}
let r = self.do_capture_session(&mut capture).await;
// FIXME replace with async drop when stabilized
capture.terminate().await?;
r
}
async fn create_captures(&mut self, capture: &mut InputCapture) -> Result<(), CaptureError> {
let captures = self.captures.clone();
for (handle, pos, _type) in captures {
tokio::select! {
r = capture.create(handle, pos) => r?,
_ = self.cancellation_token.cancelled() => return Ok(()),
}
}
Ok(())
}
async fn do_capture_session(
&mut self,
capture: &mut InputCapture,
) -> Result<(), InputCaptureError> {
loop {
tokio::select! {
event = capture.next() => match event {
Some(event) => self.handle_capture_event(capture, event?).await?,
None => return Ok(()),
},
(handle, event) = self.conn.recv() => {
if let Some(active) = self.active_client {
if handle != active {
// we only care about events coming from the client we are currently connected to
// only `Ack` and `Leave` are relevant
continue
}
}
match event {
// connection acknowlegded => set state to Sending
ProtoEvent::Ack(_) => {
log::info!("client {handle} acknowledged the connection!");
self.state = State::Sending;
}
// client disconnected
ProtoEvent::Leave(_) => {
log::info!("releasing capture: left remote client device region");
self.release_capture(capture).await?;
},
_ => {}
}
},
e = self.request_rx.recv() => match e.expect("channel closed") {
CaptureRequest::Reenable => { /* already active */ },
CaptureRequest::Release => self.release_capture(capture).await?,
CaptureRequest::Create(h, p, t) => {
self.add_capture(h, p, t);
capture.create(h, p).await?;
}
CaptureRequest::Destroy(h) => {
self.remove_capture(h);
capture.destroy(h).await?;
}
},
_ = self.cancellation_token.cancelled() => break,
}
}
Ok(())
}
async fn handle_capture_event(
&mut self,
capture: &mut InputCapture,
event: (CaptureHandle, CaptureEvent),
) -> Result<(), CaptureError> {
let (handle, event) = event;
log::trace!("({handle}): {event:?}");
if capture.keys_pressed(&self.release_bind.borrow()) {
log::info!("releasing capture: release-bind pressed");
return self.release_capture(capture).await;
}
if event == CaptureEvent::Begin {
self.event_tx
.send(ICaptureEvent::CaptureBegin(handle))
.expect("channel closed");
}
// enter only capture (for incoming connections)
if self.get_type(handle) == CaptureType::EnterOnly {
// if there is no active outgoing connection at the current capture,
// we release the capture
if !self.is_default_capture_at(self.get_pos(handle)) {
log::info!("releasing capture: no active client at this position");
capture.release().await?;
}
// we dont care about events from incoming handles except for releasing the capture
return Ok(());
}
// activated a new client
if event == CaptureEvent::Begin && Some(handle) != self.active_client {
self.state = State::WaitingForAck;
self.active_client.replace(handle);
self.event_tx
.send(ICaptureEvent::ClientEntered(handle))
.expect("channel closed");
}
let opposite_pos = to_proto_pos(self.get_pos(handle).opposite());
let event = match event {
CaptureEvent::Begin => ProtoEvent::Enter(opposite_pos),
CaptureEvent::Input(e) => match self.state {
// connection not acknowledged, repeat `Enter` event
State::WaitingForAck => ProtoEvent::Enter(opposite_pos),
State::Sending => ProtoEvent::Input(e),
},
};
if let Err(e) = self.conn.send(event, handle).await {
const DUR: Duration = Duration::from_millis(500);
debounce!(PREV_LOG, DUR, log::warn!("releasing capture: {e}"));
capture.release().await?;
}
Ok(())
}
async fn release_capture(&mut self, capture: &mut InputCapture) -> Result<(), CaptureError> {
self.active_client.take();
capture.release().await
}
}
thread_local! {
static PREV_LOG: Cell<Option<Instant>> = const { Cell::new(None) };
}
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
enum State {
#[default]
WaitingForAck,
Sending,
}
fn to_capture_pos(pos: lan_mouse_ipc::Position) -> input_capture::Position {
match pos {
lan_mouse_ipc::Position::Left => input_capture::Position::Left,
lan_mouse_ipc::Position::Right => input_capture::Position::Right,
lan_mouse_ipc::Position::Top => input_capture::Position::Top,
lan_mouse_ipc::Position::Bottom => input_capture::Position::Bottom,
}
}
fn to_proto_pos(pos: input_capture::Position) -> lan_mouse_proto::Position {
match pos {
input_capture::Position::Left => lan_mouse_proto::Position::Left,
input_capture::Position::Right => lan_mouse_proto::Position::Right,
input_capture::Position::Top => lan_mouse_proto::Position::Top,
input_capture::Position::Bottom => lan_mouse_proto::Position::Bottom,
}
}
struct DropGuard<T> {
tx: Sender<T>,
on_drop: Option<T>,
}
impl<T> DropGuard<T> {
fn new(tx: Sender<T>, on_new: T, on_drop: T) -> Self {
tx.send(on_new).expect("channel closed");
let on_drop = Some(on_drop);
Self { tx, on_drop }
}
}
impl<T> Drop for DropGuard<T> {
fn drop(&mut self) {
self.tx
.send(self.on_drop.take().expect("item"))
.expect("channel closed");
}
}

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@@ -1,42 +0,0 @@
use std::io;
use std::pin::Pin;
use std::task::{Context, Poll};
use futures_core::Stream;
use crate::capture::InputCapture;
use crate::event::Event;
use crate::client::{ClientEvent, ClientHandle};
pub struct DummyInputCapture {}
impl DummyInputCapture {
pub fn new() -> Self {
Self {}
}
}
impl Default for DummyInputCapture {
fn default() -> Self {
Self::new()
}
}
impl InputCapture for DummyInputCapture {
fn notify(&mut self, _event: ClientEvent) -> io::Result<()> {
Ok(())
}
fn release(&mut self) -> io::Result<()> {
Ok(())
}
}
impl Stream for DummyInputCapture {
type Item = io::Result<(ClientHandle, Event)>;
fn poll_next(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
Poll::Pending
}
}

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@@ -1,555 +0,0 @@
use anyhow::{anyhow, Result};
use ashpd::{
desktop::{
input_capture::{Activated, Barrier, BarrierID, Capabilities, InputCapture, Region, Zones},
ResponseError, Session,
},
enumflags2::BitFlags,
};
use futures::StreamExt;
use reis::{
ei::{self, keyboard::KeyState},
eis::button::ButtonState,
event::{DeviceCapability, EiEvent},
tokio::{EiConvertEventStream, EiEventStream},
};
use std::{
cell::Cell,
collections::HashMap,
io,
os::unix::net::UnixStream,
pin::Pin,
rc::Rc,
task::{ready, Context, Poll},
};
use tokio::{
sync::mpsc::{Receiver, Sender},
task::JoinHandle,
};
use futures_core::Stream;
use once_cell::sync::Lazy;
use crate::{
capture::InputCapture as LanMouseInputCapture,
client::{ClientEvent, ClientHandle, Position},
event::{Event, KeyboardEvent, PointerEvent},
};
#[derive(Debug)]
enum ProducerEvent {
Release,
ClientEvent(ClientEvent),
}
#[allow(dead_code)]
pub struct LibeiInputCapture<'a> {
input_capture: Pin<Box<InputCapture<'a>>>,
libei_task: JoinHandle<Result<()>>,
event_rx: tokio::sync::mpsc::Receiver<(u32, Event)>,
notify_tx: tokio::sync::mpsc::Sender<ProducerEvent>,
}
static INTERFACES: Lazy<HashMap<&'static str, u32>> = Lazy::new(|| {
let mut m = HashMap::new();
m.insert("ei_connection", 1);
m.insert("ei_callback", 1);
m.insert("ei_pingpong", 1);
m.insert("ei_seat", 1);
m.insert("ei_device", 2);
m.insert("ei_pointer", 1);
m.insert("ei_pointer_absolute", 1);
m.insert("ei_scroll", 1);
m.insert("ei_button", 1);
m.insert("ei_keyboard", 1);
m.insert("ei_touchscreen", 1);
m
});
fn pos_to_barrier(r: &Region, pos: Position) -> (i32, i32, i32, i32) {
let (x, y) = (r.x_offset(), r.y_offset());
let (width, height) = (r.width() as i32, r.height() as i32);
match pos {
Position::Left => (x, y, x, y + height - 1), // start pos, end pos, inclusive
Position::Right => (x + width, y, x + width, y + height - 1),
Position::Top => (x, y, x + width - 1, y),
Position::Bottom => (x, y + height, x + width - 1, y + height),
}
}
fn select_barriers(
zones: &Zones,
clients: &Vec<(ClientHandle, Position)>,
next_barrier_id: &mut u32,
) -> (Vec<Barrier>, HashMap<BarrierID, ClientHandle>) {
let mut client_for_barrier = HashMap::new();
let mut barriers: Vec<Barrier> = vec![];
for (handle, pos) in clients {
let mut client_barriers = zones
.regions()
.iter()
.map(|r| {
let id = *next_barrier_id;
*next_barrier_id = id + 1;
let position = pos_to_barrier(r, *pos);
client_for_barrier.insert(id, *handle);
Barrier::new(id, position)
})
.collect();
barriers.append(&mut client_barriers);
}
(barriers, client_for_barrier)
}
async fn update_barriers(
input_capture: &InputCapture<'_>,
session: &Session<'_>,
active_clients: &Vec<(ClientHandle, Position)>,
next_barrier_id: &mut u32,
) -> Result<HashMap<BarrierID, ClientHandle>> {
let zones = input_capture.zones(session).await?.response()?;
log::debug!("zones: {zones:?}");
let (barriers, id_map) = select_barriers(&zones, active_clients, next_barrier_id);
log::debug!("barriers: {barriers:?}");
log::debug!("client for barrier id: {id_map:?}");
let response = input_capture
.set_pointer_barriers(session, &barriers, zones.zone_set())
.await?;
let response = response.response()?;
log::info!("{response:?}");
Ok(id_map)
}
impl<'a> Drop for LibeiInputCapture<'a> {
fn drop(&mut self) {
self.libei_task.abort();
}
}
async fn create_session<'a>(
input_capture: &'a InputCapture<'a>,
) -> Result<(Session<'a>, BitFlags<Capabilities>)> {
log::info!("creating input capture session");
let (session, capabilities) = loop {
match input_capture
.create_session(
&ashpd::WindowIdentifier::default(),
Capabilities::Keyboard | Capabilities::Pointer | Capabilities::Touchscreen,
)
.await
{
Ok(s) => break s,
Err(ashpd::Error::Response(ResponseError::Cancelled)) => continue,
o => o?,
};
};
log::debug!("capabilities: {capabilities:?}");
Ok((session, capabilities))
}
async fn connect_to_eis(
input_capture: &InputCapture<'_>,
session: &Session<'_>,
) -> Result<(ei::Context, EiConvertEventStream)> {
log::info!("connect_to_eis");
let fd = input_capture.connect_to_eis(session).await?;
// create unix stream from fd
let stream = UnixStream::from(fd);
stream.set_nonblocking(true)?;
// create ei context
let context = ei::Context::new(stream)?;
let mut event_stream = EiEventStream::new(context.clone())?;
let response = match reis::tokio::ei_handshake(
&mut event_stream,
"de.feschber.LanMouse",
ei::handshake::ContextType::Receiver,
&INTERFACES,
)
.await
{
Ok(res) => res,
Err(e) => return Err(anyhow!("ei handshake failed: {e:?}")),
};
let event_stream = EiConvertEventStream::new(event_stream, response.serial);
Ok((context, event_stream))
}
async fn libei_event_handler(
mut ei_event_stream: EiConvertEventStream,
context: ei::Context,
event_tx: Sender<(u32, Event)>,
current_client: Rc<Cell<Option<ClientHandle>>>,
) -> Result<()> {
loop {
let ei_event = match ei_event_stream.next().await {
Some(Ok(event)) => event,
Some(Err(e)) => return Err(anyhow!("libei connection closed: {e:?}")),
None => return Err(anyhow!("libei connection closed")),
};
log::trace!("from ei: {ei_event:?}");
let client = current_client.get();
handle_ei_event(ei_event, client, &context, &event_tx).await;
}
}
async fn wait_for_active_client(
notify_rx: &mut Receiver<ProducerEvent>,
active_clients: &mut Vec<(ClientHandle, Position)>,
) -> Result<()> {
// wait for a client update
while let Some(producer_event) = notify_rx.recv().await {
if let ProducerEvent::ClientEvent(c) = producer_event {
handle_producer_event(ProducerEvent::ClientEvent(c), active_clients)?;
break;
}
}
Ok(())
}
impl<'a> LibeiInputCapture<'a> {
pub async fn new() -> Result<Self> {
let input_capture = Box::pin(InputCapture::new().await?);
let input_capture_ptr = input_capture.as_ref().get_ref() as *const InputCapture<'static>;
let mut first_session = Some(create_session(unsafe { &*input_capture_ptr }).await?);
let (event_tx, event_rx) = tokio::sync::mpsc::channel(32);
let (notify_tx, mut notify_rx) = tokio::sync::mpsc::channel(32);
let libei_task = tokio::task::spawn_local(async move {
/* safety: libei_task does not outlive Self */
let input_capture = unsafe { &*input_capture_ptr };
let mut active_clients: Vec<(ClientHandle, Position)> = vec![];
let mut next_barrier_id = 1u32;
/* there is a bug in xdg-remote-desktop-portal-gnome / mutter that
* prevents receiving further events after a session has been disabled once.
* Therefore the session needs to recreated when the barriers are updated */
loop {
// otherwise it asks to capture input even with no active clients
if active_clients.is_empty() {
wait_for_active_client(&mut notify_rx, &mut active_clients).await?;
continue;
}
let current_client = Rc::new(Cell::new(None));
// create session
let (session, _) = match first_session.take() {
Some(s) => s,
_ => create_session(input_capture).await?,
};
// connect to eis server
let (context, ei_event_stream) = connect_to_eis(input_capture, &session).await?;
// async event task
let mut ei_task: JoinHandle<Result<(), anyhow::Error>> =
tokio::task::spawn_local(libei_event_handler(
ei_event_stream,
context,
event_tx.clone(),
current_client.clone(),
));
let mut activated = input_capture.receive_activated().await?;
let mut zones_changed = input_capture.receive_zones_changed().await?;
// set barriers
let client_for_barrier_id = update_barriers(
input_capture,
&session,
&active_clients,
&mut next_barrier_id,
)
.await?;
log::info!("enabling session");
input_capture.enable(&session).await?;
loop {
tokio::select! {
activated = activated.next() => {
let activated = activated.ok_or(anyhow!("error receiving activation token"))?;
log::debug!("activated: {activated:?}");
let client = *client_for_barrier_id
.get(&activated.barrier_id())
.expect("invalid barrier id");
current_client.replace(Some(client));
event_tx.send((client, Event::Enter())).await?;
tokio::select! {
producer_event = notify_rx.recv() => {
let producer_event = producer_event.expect("channel closed");
if handle_producer_event(producer_event, &mut active_clients)? {
break; /* clients updated */
}
}
zones_changed = zones_changed.next() => {
log::debug!("zones changed: {zones_changed:?}");
break;
}
res = &mut ei_task => {
if let Err(e) = res.expect("ei task paniced") {
log::warn!("libei task exited: {e}");
}
break;
}
}
release_capture(
input_capture,
&session,
activated,
client,
&active_clients,
).await?;
}
producer_event = notify_rx.recv() => {
let producer_event = producer_event.expect("channel closed");
if handle_producer_event(producer_event, &mut active_clients)? {
/* clients updated */
break;
}
},
res = &mut ei_task => {
if let Err(e) = res.expect("ei task paniced") {
log::warn!("libei task exited: {e}");
}
break;
}
}
}
ei_task.abort();
input_capture.disable(&session).await?;
}
});
let producer = Self {
input_capture,
event_rx,
libei_task,
notify_tx,
};
Ok(producer)
}
}
async fn release_capture(
input_capture: &InputCapture<'_>,
session: &Session<'_>,
activated: Activated,
current_client: ClientHandle,
active_clients: &[(ClientHandle, Position)],
) -> Result<()> {
log::debug!("releasing input capture {}", activated.activation_id());
let (x, y) = activated.cursor_position();
let pos = active_clients
.iter()
.filter(|(c, _)| *c == current_client)
.map(|(_, p)| p)
.next()
.unwrap(); // FIXME
let (dx, dy) = match pos {
// offset cursor position to not enter again immediately
Position::Left => (1., 0.),
Position::Right => (-1., 0.),
Position::Top => (0., 1.),
Position::Bottom => (0., -1.),
};
// release 1px to the right of the entered zone
let cursor_position = (x as f64 + dx, y as f64 + dy);
input_capture
.release(session, activated.activation_id(), cursor_position)
.await?;
Ok(())
}
fn handle_producer_event(
producer_event: ProducerEvent,
active_clients: &mut Vec<(ClientHandle, Position)>,
) -> Result<bool> {
log::debug!("handling event: {producer_event:?}");
let updated = match producer_event {
ProducerEvent::Release => false,
ProducerEvent::ClientEvent(ClientEvent::Create(c, p)) => {
active_clients.push((c, p));
true
}
ProducerEvent::ClientEvent(ClientEvent::Destroy(c)) => {
active_clients.retain(|(h, _)| *h != c);
true
}
};
Ok(updated)
}
async fn handle_ei_event(
ei_event: EiEvent,
current_client: Option<ClientHandle>,
context: &ei::Context,
event_tx: &Sender<(u32, Event)>,
) {
match ei_event {
EiEvent::SeatAdded(s) => {
s.seat.bind_capabilities(&[
DeviceCapability::Pointer,
DeviceCapability::PointerAbsolute,
DeviceCapability::Keyboard,
DeviceCapability::Touch,
DeviceCapability::Scroll,
DeviceCapability::Button,
]);
context.flush().unwrap();
}
EiEvent::SeatRemoved(_) => {}
EiEvent::DeviceAdded(_) => {}
EiEvent::DeviceRemoved(_) => {}
EiEvent::DevicePaused(_) => {}
EiEvent::DeviceResumed(_) => {}
EiEvent::KeyboardModifiers(mods) => {
let modifier_event = KeyboardEvent::Modifiers {
mods_depressed: mods.depressed,
mods_latched: mods.latched,
mods_locked: mods.locked,
group: mods.group,
};
if let Some(current_client) = current_client {
event_tx
.send((current_client, Event::Keyboard(modifier_event)))
.await
.unwrap();
}
}
EiEvent::Frame(_) => {}
EiEvent::DeviceStartEmulating(_) => {
log::debug!("START EMULATING =============>");
}
EiEvent::DeviceStopEmulating(_) => {
log::debug!("==================> STOP EMULATING");
}
EiEvent::PointerMotion(motion) => {
let motion_event = PointerEvent::Motion {
time: motion.time as u32,
relative_x: motion.dx as f64,
relative_y: motion.dy as f64,
};
if let Some(current_client) = current_client {
event_tx
.send((current_client, Event::Pointer(motion_event)))
.await
.unwrap();
}
}
EiEvent::PointerMotionAbsolute(_) => {}
EiEvent::Button(button) => {
let button_event = PointerEvent::Button {
time: button.time as u32,
button: button.button,
state: match button.state {
ButtonState::Released => 0,
ButtonState::Press => 1,
},
};
if let Some(current_client) = current_client {
event_tx
.send((current_client, Event::Pointer(button_event)))
.await
.unwrap();
}
}
EiEvent::ScrollDelta(_) => {}
EiEvent::ScrollStop(_) => {}
EiEvent::ScrollCancel(_) => {}
EiEvent::ScrollDiscrete(scroll) => {
if scroll.discrete_dy != 0 {
let event = PointerEvent::Axis {
time: 0,
axis: 0,
value: scroll.discrete_dy as f64,
};
if let Some(current_client) = current_client {
event_tx
.send((current_client, Event::Pointer(event)))
.await
.unwrap();
}
}
if scroll.discrete_dx != 0 {
let event = PointerEvent::Axis {
time: 0,
axis: 1,
value: scroll.discrete_dx as f64,
};
if let Some(current_client) = current_client {
event_tx
.send((current_client, Event::Pointer(event)))
.await
.unwrap();
}
};
}
EiEvent::KeyboardKey(key) => {
let key_event = KeyboardEvent::Key {
key: key.key,
state: match key.state {
KeyState::Press => 1,
KeyState::Released => 0,
},
time: key.time as u32,
};
if let Some(current_client) = current_client {
event_tx
.send((current_client, Event::Keyboard(key_event)))
.await
.unwrap();
}
}
EiEvent::TouchDown(_) => {}
EiEvent::TouchUp(_) => {}
EiEvent::TouchMotion(_) => {}
EiEvent::Disconnected(d) => {
log::error!("disconnect: {d:?}");
}
}
}
impl<'a> LanMouseInputCapture for LibeiInputCapture<'a> {
fn notify(&mut self, event: ClientEvent) -> io::Result<()> {
let notify_tx = self.notify_tx.clone();
tokio::task::spawn_local(async move {
log::debug!("notifying {event:?}");
let _ = notify_tx.send(ProducerEvent::ClientEvent(event)).await;
log::debug!("done !");
});
Ok(())
}
fn release(&mut self) -> io::Result<()> {
let notify_tx = self.notify_tx.clone();
tokio::task::spawn_local(async move {
log::debug!("notifying Release");
let _ = notify_tx.send(ProducerEvent::Release).await;
});
Ok(())
}
}
impl<'a> Stream for LibeiInputCapture<'a> {
type Item = io::Result<(ClientHandle, Event)>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
match ready!(self.event_rx.poll_recv(cx)) {
None => Poll::Ready(None),
Some(e) => Poll::Ready(Some(Ok(e))),
}
}
}

View File

@@ -1,33 +0,0 @@
use crate::capture::InputCapture;
use crate::client::{ClientEvent, ClientHandle};
use crate::event::Event;
use anyhow::{anyhow, Result};
use futures_core::Stream;
use std::task::{Context, Poll};
use std::{io, pin::Pin};
pub struct MacOSInputCapture;
impl MacOSInputCapture {
pub fn new() -> Result<Self> {
Err(anyhow!("not yet implemented"))
}
}
impl Stream for MacOSInputCapture {
type Item = io::Result<(ClientHandle, Event)>;
fn poll_next(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
Poll::Pending
}
}
impl InputCapture for MacOSInputCapture {
fn notify(&mut self, _event: ClientEvent) -> io::Result<()> {
Ok(())
}
fn release(&mut self) -> io::Result<()> {
Ok(())
}
}

View File

@@ -1,35 +0,0 @@
use anyhow::{anyhow, Result};
use core::task::{Context, Poll};
use futures::Stream;
use std::{io, pin::Pin};
use crate::{
capture::InputCapture,
client::{ClientEvent, ClientHandle},
event::Event,
};
pub struct WindowsInputCapture {}
impl InputCapture for WindowsInputCapture {
fn notify(&mut self, _event: ClientEvent) -> io::Result<()> {
Ok(())
}
fn release(&mut self) -> io::Result<()> {
Ok(())
}
}
impl WindowsInputCapture {
pub(crate) fn new() -> Result<Self> {
Err(anyhow!("not implemented"))
}
}
impl Stream for WindowsInputCapture {
type Item = io::Result<(ClientHandle, Event)>;
fn poll_next(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
Poll::Pending
}
}

View File

@@ -1,39 +0,0 @@
use anyhow::{anyhow, Result};
use std::io;
use std::task::Poll;
use futures_core::Stream;
use crate::capture::InputCapture;
use crate::event::Event;
use crate::client::{ClientEvent, ClientHandle};
pub struct X11InputCapture {}
impl X11InputCapture {
pub fn new() -> Result<Self> {
Err(anyhow!("not implemented"))
}
}
impl InputCapture for X11InputCapture {
fn notify(&mut self, _event: ClientEvent) -> io::Result<()> {
Ok(())
}
fn release(&mut self) -> io::Result<()> {
Ok(())
}
}
impl Stream for X11InputCapture {
type Item = io::Result<(ClientHandle, Event)>;
fn poll_next(
self: std::pin::Pin<&mut Self>,
_cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Option<Self::Item>> {
Poll::Pending
}
}

48
src/capture_test.rs Normal file
View File

@@ -0,0 +1,48 @@
use crate::config::Config;
use clap::Args;
use futures::StreamExt;
use input_capture::{self, CaptureError, CaptureEvent, InputCapture, InputCaptureError, Position};
use input_event::{Event, KeyboardEvent};
#[derive(Args, Clone, Debug, Eq, PartialEq)]
pub struct TestCaptureArgs {}
pub async fn run(config: Config, _args: TestCaptureArgs) -> Result<(), InputCaptureError> {
log::info!("running input capture test");
log::info!("creating input capture");
let backend = config.capture_backend().map(|b| b.into());
loop {
let mut input_capture = InputCapture::new(backend).await?;
log::info!("creating clients");
input_capture.create(0, Position::Left).await?;
input_capture.create(4, Position::Left).await?;
input_capture.create(1, Position::Right).await?;
input_capture.create(2, Position::Top).await?;
input_capture.create(3, Position::Bottom).await?;
if let Err(e) = do_capture(&mut input_capture).await {
log::warn!("{e} - recreating capture");
}
let _ = input_capture.terminate().await;
}
}
async fn do_capture(input_capture: &mut InputCapture) -> Result<(), CaptureError> {
loop {
let (client, event) = input_capture
.next()
.await
.ok_or(CaptureError::EndOfStream)??;
let pos = match client {
0 | 4 => Position::Left,
1 => Position::Right,
2 => Position::Top,
3 => Position::Bottom,
_ => panic!(),
};
log::info!("position: {client} ({pos}), event: {event}");
if let CaptureEvent::Input(Event::Keyboard(KeyboardEvent::Key { key: 1, .. })) = event {
input_capture.release().await?;
break Ok(());
}
}
}

View File

@@ -1,165 +1,63 @@
use std::{
cell::RefCell,
collections::HashSet,
fmt::Display,
net::{IpAddr, SocketAddr},
rc::Rc,
};
use serde::{Deserialize, Serialize};
use slab::Slab;
#[derive(Debug, Eq, Hash, PartialEq, Clone, Copy, Serialize, Deserialize)]
pub enum Position {
Left,
Right,
Top,
Bottom,
}
impl Default for Position {
fn default() -> Self {
Self::Left
}
}
impl Position {
pub fn opposite(&self) -> Self {
match self {
Position::Left => Self::Right,
Position::Right => Self::Left,
Position::Top => Self::Bottom,
Position::Bottom => Self::Top,
}
}
}
impl Display for Position {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}",
match self {
Position::Left => "left",
Position::Right => "right",
Position::Top => "top",
Position::Bottom => "bottom",
}
)
}
}
impl TryFrom<&str> for Position {
type Error = ();
fn try_from(s: &str) -> Result<Self, Self::Error> {
match s {
"left" => Ok(Position::Left),
"right" => Ok(Position::Right),
"top" => Ok(Position::Top),
"bottom" => Ok(Position::Bottom),
_ => Err(()),
}
}
}
#[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
pub struct Client {
/// hostname of this client
pub hostname: Option<String>,
/// fix ips, determined by the user
pub fix_ips: Vec<IpAddr>,
/// unique handle to refer to the client.
/// This way any emulation / capture backend does not
/// need to know anything about a client other than its handle.
pub handle: ClientHandle,
/// all ip addresses associated with a particular client
/// e.g. Laptops usually have at least an ethernet and a wifi port
/// which have different ip addresses
pub ips: HashSet<IpAddr>,
/// both active_addr and addrs can be None / empty so port needs to be stored seperately
pub port: u16,
/// position of a client on screen
pub pos: Position,
}
#[derive(Clone, Copy, Debug)]
pub enum ClientEvent {
Create(ClientHandle, Position),
Destroy(ClientHandle),
}
pub type ClientHandle = u32;
#[derive(Debug, Clone)]
pub struct ClientState {
/// information about the client
pub client: Client,
/// events should be sent to and received from the client
pub active: bool,
/// `active` address of the client, used to send data to.
/// This should generally be the socket address where data
/// was last received from.
pub active_addr: Option<SocketAddr>,
/// tracks whether or not the client is responding to pings
pub alive: bool,
/// keys currently pressed by this client
pub pressed_keys: HashSet<u32>,
}
use lan_mouse_ipc::{ClientConfig, ClientHandle, ClientState, Position};
#[derive(Clone, Default)]
pub struct ClientManager {
clients: Vec<Option<ClientState>>, // HashMap likely not beneficial
}
impl Default for ClientManager {
fn default() -> Self {
Self::new()
}
clients: Rc<RefCell<Slab<(ClientConfig, ClientState)>>>,
}
impl ClientManager {
pub fn new() -> Self {
Self { clients: vec![] }
/// add a new client to this manager
pub fn add_client(&self) -> ClientHandle {
self.clients.borrow_mut().insert(Default::default()) as ClientHandle
}
/// add a new client to this manager
pub fn add_client(
&mut self,
hostname: Option<String>,
ips: HashSet<IpAddr>,
port: u16,
pos: Position,
active: bool,
) -> ClientHandle {
// get a new client_handle
let handle = self.free_id();
// store fix ip addresses
let fix_ips = ips.iter().cloned().collect();
// store the client
let client = Client {
hostname,
fix_ips,
handle,
ips,
port,
pos,
};
// client was never seen, nor pinged
let client_state = ClientState {
client,
active,
active_addr: None,
alive: false,
pressed_keys: HashSet::new(),
};
if handle as usize >= self.clients.len() {
assert_eq!(handle as usize, self.clients.len());
self.clients.push(Some(client_state));
} else {
self.clients[handle as usize] = Some(client_state);
/// set the config of the given client
pub fn set_config(&self, handle: ClientHandle, config: ClientConfig) {
if let Some((c, _)) = self.clients.borrow_mut().get_mut(handle as usize) {
*c = config;
}
}
/// set the state of the given client
pub fn set_state(&self, handle: ClientHandle, state: ClientState) {
if let Some((_, s)) = self.clients.borrow_mut().get_mut(handle as usize) {
*s = state;
}
}
/// activate the given client
/// returns, whether the client was activated
pub fn activate_client(&self, handle: ClientHandle) -> bool {
let mut clients = self.clients.borrow_mut();
match clients.get_mut(handle as usize) {
Some((_, s)) if !s.active => {
s.active = true;
true
}
_ => false,
}
}
/// deactivate the given client
/// returns, whether the client was deactivated
pub fn deactivate_client(&self, handle: ClientHandle) -> bool {
let mut clients = self.clients.borrow_mut();
match clients.get_mut(handle as usize) {
Some((_, s)) if s.active => {
s.active = false;
true
}
_ => false,
}
handle
}
/// find a client by its address
@@ -167,50 +65,210 @@ impl ClientManager {
// since there shouldn't be more than a handful of clients at any given
// time this is likely faster than using a HashMap
self.clients
.borrow()
.iter()
.position(|c| {
if let Some(c) = c {
c.active && c.client.ips.contains(&addr.ip())
.find_map(|(k, (_, s))| {
if s.active && s.ips.contains(&addr.ip()) {
Some(k)
} else {
false
None
}
})
.map(|p| p as ClientHandle)
}
/// get the client at the given position
pub fn client_at(&self, pos: Position) -> Option<ClientHandle> {
self.clients
.borrow()
.iter()
.find_map(|(k, (c, s))| {
if s.active && c.pos == pos {
Some(k)
} else {
None
}
})
.map(|p| p as ClientHandle)
}
pub(crate) fn get_hostname(&self, handle: ClientHandle) -> Option<String> {
self.clients
.borrow_mut()
.get_mut(handle as usize)
.and_then(|(c, _)| c.hostname.clone())
}
/// get the position of the corresponding client
pub(crate) fn get_pos(&self, handle: ClientHandle) -> Option<Position> {
self.clients
.borrow()
.get(handle as usize)
.map(|(c, _)| c.pos)
}
/// remove a client from the list
pub fn remove_client(&mut self, client: ClientHandle) -> Option<ClientState> {
pub fn remove_client(&self, client: ClientHandle) -> Option<(ClientConfig, ClientState)> {
// remove id from occupied ids
self.clients.get_mut(client as usize)?.take()
self.clients.borrow_mut().try_remove(client as usize)
}
/// get a free slot in the client list
fn free_id(&mut self) -> ClientHandle {
for i in 0..u32::MAX {
if self.clients.get(i as usize).is_none()
|| self.clients.get(i as usize).unwrap().is_none()
{
return i;
}
/// get the config & state of the given client
pub fn get_state(&self, handle: ClientHandle) -> Option<(ClientConfig, ClientState)> {
self.clients.borrow().get(handle as usize).cloned()
}
/// get the current config & state of all clients
pub fn get_client_states(&self) -> Vec<(ClientHandle, ClientConfig, ClientState)> {
self.clients
.borrow()
.iter()
.map(|(k, v)| (k as ClientHandle, v.0.clone(), v.1.clone()))
.collect()
}
/// update the fix ips of the client
pub fn set_fix_ips(&self, handle: ClientHandle, fix_ips: Vec<IpAddr>) {
if let Some((c, _)) = self.clients.borrow_mut().get_mut(handle as usize) {
c.fix_ips = fix_ips
}
panic!("Out of client ids");
self.update_ips(handle);
}
// returns an immutable reference to the client state corresponding to `client`
pub fn get(&self, client: ClientHandle) -> Option<&ClientState> {
self.clients.get(client as usize)?.as_ref()
/// update the dns-ips of the client
pub fn set_dns_ips(&self, handle: ClientHandle, dns_ips: Vec<IpAddr>) {
if let Some((_, s)) = self.clients.borrow_mut().get_mut(handle as usize) {
s.dns_ips = dns_ips
}
self.update_ips(handle);
}
/// returns a mutable reference to the client state corresponding to `client`
pub fn get_mut(&mut self, client: ClientHandle) -> Option<&mut ClientState> {
self.clients.get_mut(client as usize)?.as_mut()
fn update_ips(&self, handle: ClientHandle) {
if let Some((c, s)) = self.clients.borrow_mut().get_mut(handle as usize) {
s.ips = c
.fix_ips
.iter()
.cloned()
.chain(s.dns_ips.iter().cloned())
.collect::<HashSet<_>>();
}
}
pub fn get_client_states(&self) -> impl Iterator<Item = &ClientState> {
self.clients.iter().filter_map(|x| x.as_ref())
/// update the hostname of the given client
/// this automatically clears the active ip address and ips from dns
pub fn set_hostname(&self, handle: ClientHandle, hostname: Option<String>) -> bool {
let mut clients = self.clients.borrow_mut();
let Some((c, s)) = clients.get_mut(handle as usize) else {
return false;
};
// hostname changed
if c.hostname != hostname {
c.hostname = hostname;
s.active_addr = None;
s.dns_ips.clear();
drop(clients);
self.update_ips(handle);
true
} else {
false
}
}
pub fn get_client_states_mut(&mut self) -> impl Iterator<Item = &mut ClientState> {
self.clients.iter_mut().filter_map(|x| x.as_mut())
/// update the port of the client
pub(crate) fn set_port(&self, handle: ClientHandle, port: u16) {
match self.clients.borrow_mut().get_mut(handle as usize) {
Some((c, s)) if c.port != port => {
c.port = port;
s.active_addr = s.active_addr.map(|a| SocketAddr::new(a.ip(), port));
}
_ => {}
};
}
/// update the position of the client
/// returns true, if a change in capture position is required (pos changed & client is active)
pub(crate) fn set_pos(&self, handle: ClientHandle, pos: Position) -> bool {
match self.clients.borrow_mut().get_mut(handle as usize) {
Some((c, s)) if c.pos != pos => {
log::info!("update pos {handle} {} -> {}", c.pos, pos);
c.pos = pos;
s.active
}
_ => false,
}
}
/// update the enter hook command of the client
pub(crate) fn set_enter_hook(&self, handle: ClientHandle, enter_hook: Option<String>) {
if let Some((c, _s)) = self.clients.borrow_mut().get_mut(handle as usize) {
c.cmd = enter_hook;
}
}
/// set resolving status of the client
pub(crate) fn set_resolving(&self, handle: ClientHandle, status: bool) {
if let Some((_, s)) = self.clients.borrow_mut().get_mut(handle as usize) {
s.resolving = status;
}
}
/// get the enter hook command
pub(crate) fn get_enter_cmd(&self, handle: ClientHandle) -> Option<String> {
self.clients
.borrow()
.get(handle as usize)
.and_then(|(c, _)| c.cmd.clone())
}
/// returns all clients that are currently active
pub(crate) fn active_clients(&self) -> Vec<ClientHandle> {
self.clients
.borrow()
.iter()
.filter(|(_, (_, s))| s.active)
.map(|(h, _)| h as ClientHandle)
.collect()
}
pub(crate) fn set_active_addr(&self, handle: ClientHandle, addr: Option<SocketAddr>) {
if let Some((_, s)) = self.clients.borrow_mut().get_mut(handle as usize) {
s.active_addr = addr;
}
}
pub(crate) fn set_alive(&self, handle: ClientHandle, alive: bool) {
if let Some((_, s)) = self.clients.borrow_mut().get_mut(handle as usize) {
s.alive = alive;
}
}
pub(crate) fn active_addr(&self, handle: ClientHandle) -> Option<SocketAddr> {
self.clients
.borrow()
.get(handle as usize)
.and_then(|(_, s)| s.active_addr)
}
pub(crate) fn alive(&self, handle: ClientHandle) -> bool {
self.clients
.borrow()
.get(handle as usize)
.map(|(_, s)| s.alive)
.unwrap_or(false)
}
pub(crate) fn get_port(&self, handle: ClientHandle) -> Option<u16> {
self.clients
.borrow()
.get(handle as usize)
.map(|(c, _)| c.port)
}
pub(crate) fn get_ips(&self, handle: ClientHandle) -> Option<HashSet<IpAddr>> {
self.clients
.borrow()
.get(handle as usize)
.map(|(_, s)| s.ips.clone())
}
}

View File

@@ -1,79 +1,249 @@
use anyhow::Result;
use clap::Parser;
use crate::capture_test::TestCaptureArgs;
use crate::emulation_test::TestEmulationArgs;
use clap::{Parser, Subcommand, ValueEnum};
use serde::{Deserialize, Serialize};
use std::collections::HashSet;
use std::env;
use std::collections::HashMap;
use std::env::{self, VarError};
use std::fmt::Display;
use std::fs;
use std::net::IpAddr;
use std::{error::Error, fs};
use std::path::{Path, PathBuf};
use std::{collections::HashSet, io};
use thiserror::Error;
use toml;
use crate::client::Position;
use crate::scancode;
use crate::scancode::Linux::{KeyLeftAlt, KeyLeftCtrl, KeyLeftMeta, KeyLeftShift};
use lan_mouse_cli::CliArgs;
use lan_mouse_ipc::{Position, DEFAULT_PORT};
pub const DEFAULT_PORT: u16 = 4242;
use input_event::scancode::{
self,
Linux::{KeyLeftAlt, KeyLeftCtrl, KeyLeftMeta, KeyLeftShift},
};
#[derive(Serialize, Deserialize, Debug)]
pub struct ConfigToml {
pub port: Option<u16>,
pub frontend: Option<String>,
pub release_bind: Option<Vec<scancode::Linux>>,
pub left: Option<TomlClient>,
pub right: Option<TomlClient>,
pub top: Option<TomlClient>,
pub bottom: Option<TomlClient>,
use shadow_rs::shadow;
shadow!(build);
const CONFIG_FILE_NAME: &str = "config.toml";
const CERT_FILE_NAME: &str = "lan-mouse.pem";
fn default_path() -> Result<PathBuf, VarError> {
#[cfg(unix)]
let default_path = {
let xdg_config_home =
env::var("XDG_CONFIG_HOME").unwrap_or(format!("{}/.config", env::var("HOME")?));
format!("{xdg_config_home}/lan-mouse/")
};
#[cfg(not(unix))]
let default_path = {
let app_data =
env::var("LOCALAPPDATA").unwrap_or(format!("{}/.config", env::var("USERPROFILE")?));
format!("{app_data}\\lan-mouse\\")
};
Ok(PathBuf::from(default_path))
}
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
pub struct TomlClient {
pub hostname: Option<String>,
pub host_name: Option<String>,
pub ips: Option<Vec<IpAddr>>,
pub port: Option<u16>,
pub activate_on_startup: Option<bool>,
#[derive(Serialize, Deserialize, Debug)]
struct ConfigToml {
capture_backend: Option<CaptureBackend>,
emulation_backend: Option<EmulationBackend>,
port: Option<u16>,
release_bind: Option<Vec<scancode::Linux>>,
cert_path: Option<PathBuf>,
clients: Option<Vec<TomlClient>>,
authorized_fingerprints: Option<HashMap<String, String>>,
}
#[derive(Clone, Serialize, Deserialize, Debug, Eq, PartialEq)]
struct TomlClient {
hostname: Option<String>,
host_name: Option<String>,
ips: Option<Vec<IpAddr>>,
port: Option<u16>,
position: Option<Position>,
activate_on_startup: Option<bool>,
enter_hook: Option<String>,
}
impl ConfigToml {
pub fn new(path: &str) -> Result<ConfigToml, Box<dyn Error>> {
fn new(path: &Path) -> Result<ConfigToml, ConfigError> {
let config = fs::read_to_string(path)?;
log::info!("using config: \"{path}\"");
Ok(toml::from_str::<_>(&config)?)
}
}
#[derive(Parser, Debug)]
#[command(author, version, about, long_about = None)]
struct CliArgs {
#[command(author, version=build::CLAP_LONG_VERSION, about, long_about = None)]
struct Args {
/// the listen port for lan-mouse
#[arg(short, long)]
port: Option<u16>,
/// the frontend to use [cli | gtk]
#[arg(short, long)]
frontend: Option<String>,
/// non-default config file location
#[arg(short, long)]
config: Option<String>,
config: Option<PathBuf>,
/// run only the service as a daemon without the frontend
#[arg(short, long)]
daemon: bool,
/// capture backend override
#[arg(long)]
capture_backend: Option<CaptureBackend>,
/// emulation backend override
#[arg(long)]
emulation_backend: Option<EmulationBackend>,
/// path to non-default certificate location
#[arg(long)]
cert_path: Option<PathBuf>,
/// subcommands
#[command(subcommand)]
command: Option<Command>,
}
#[derive(Debug, PartialEq, Eq)]
pub enum Frontend {
Gtk,
Cli,
#[derive(Subcommand, Clone, Debug, Eq, PartialEq)]
pub enum Command {
/// test input emulation
TestEmulation(TestEmulationArgs),
/// test input capture
TestCapture(TestCaptureArgs),
/// Lan Mouse commandline interface
Cli(CliArgs),
/// run in daemon mode
Daemon,
}
#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize, ValueEnum)]
pub enum CaptureBackend {
#[cfg(all(unix, feature = "libei_capture", not(target_os = "macos")))]
#[serde(rename = "input-capture-portal")]
InputCapturePortal,
#[cfg(all(unix, feature = "layer_shell_capture", not(target_os = "macos")))]
#[serde(rename = "layer-shell")]
LayerShell,
#[cfg(all(unix, feature = "x11_capture", not(target_os = "macos")))]
#[serde(rename = "x11")]
X11,
#[cfg(windows)]
#[serde(rename = "windows")]
Windows,
#[cfg(target_os = "macos")]
#[serde(rename = "macos")]
MacOs,
#[serde(rename = "dummy")]
Dummy,
}
impl Display for CaptureBackend {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
#[cfg(all(unix, feature = "libei_capture", not(target_os = "macos")))]
CaptureBackend::InputCapturePortal => write!(f, "input-capture-portal"),
#[cfg(all(unix, feature = "layer_shell_capture", not(target_os = "macos")))]
CaptureBackend::LayerShell => write!(f, "layer-shell"),
#[cfg(all(unix, feature = "x11_capture", not(target_os = "macos")))]
CaptureBackend::X11 => write!(f, "X11"),
#[cfg(windows)]
CaptureBackend::Windows => write!(f, "windows"),
#[cfg(target_os = "macos")]
CaptureBackend::MacOs => write!(f, "MacOS"),
CaptureBackend::Dummy => write!(f, "dummy"),
}
}
}
impl From<CaptureBackend> for input_capture::Backend {
fn from(backend: CaptureBackend) -> Self {
match backend {
#[cfg(all(unix, feature = "libei_capture", not(target_os = "macos")))]
CaptureBackend::InputCapturePortal => Self::InputCapturePortal,
#[cfg(all(unix, feature = "layer_shell_capture", not(target_os = "macos")))]
CaptureBackend::LayerShell => Self::LayerShell,
#[cfg(all(unix, feature = "x11_capture", not(target_os = "macos")))]
CaptureBackend::X11 => Self::X11,
#[cfg(windows)]
CaptureBackend::Windows => Self::Windows,
#[cfg(target_os = "macos")]
CaptureBackend::MacOs => Self::MacOs,
CaptureBackend::Dummy => Self::Dummy,
}
}
}
#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize, ValueEnum)]
pub enum EmulationBackend {
#[cfg(all(unix, feature = "wlroots_emulation", not(target_os = "macos")))]
#[serde(rename = "wlroots")]
Wlroots,
#[cfg(all(unix, feature = "libei_emulation", not(target_os = "macos")))]
#[serde(rename = "libei")]
Libei,
#[cfg(all(unix, feature = "rdp_emulation", not(target_os = "macos")))]
#[serde(rename = "xdp")]
Xdp,
#[cfg(all(unix, feature = "x11_emulation", not(target_os = "macos")))]
#[serde(rename = "x11")]
X11,
#[cfg(windows)]
#[serde(rename = "windows")]
Windows,
#[cfg(target_os = "macos")]
#[serde(rename = "macos")]
MacOs,
#[serde(rename = "dummy")]
Dummy,
}
impl From<EmulationBackend> for input_emulation::Backend {
fn from(backend: EmulationBackend) -> Self {
match backend {
#[cfg(all(unix, feature = "wlroots_emulation", not(target_os = "macos")))]
EmulationBackend::Wlroots => Self::Wlroots,
#[cfg(all(unix, feature = "libei_emulation", not(target_os = "macos")))]
EmulationBackend::Libei => Self::Libei,
#[cfg(all(unix, feature = "rdp_emulation", not(target_os = "macos")))]
EmulationBackend::Xdp => Self::Xdp,
#[cfg(all(unix, feature = "x11_emulation", not(target_os = "macos")))]
EmulationBackend::X11 => Self::X11,
#[cfg(windows)]
EmulationBackend::Windows => Self::Windows,
#[cfg(target_os = "macos")]
EmulationBackend::MacOs => Self::MacOs,
EmulationBackend::Dummy => Self::Dummy,
}
}
}
impl Display for EmulationBackend {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
#[cfg(all(unix, feature = "wlroots_emulation", not(target_os = "macos")))]
EmulationBackend::Wlroots => write!(f, "wlroots"),
#[cfg(all(unix, feature = "libei_emulation", not(target_os = "macos")))]
EmulationBackend::Libei => write!(f, "libei"),
#[cfg(all(unix, feature = "rdp_emulation", not(target_os = "macos")))]
EmulationBackend::Xdp => write!(f, "xdg-desktop-portal"),
#[cfg(all(unix, feature = "x11_emulation", not(target_os = "macos")))]
EmulationBackend::X11 => write!(f, "X11"),
#[cfg(windows)]
EmulationBackend::Windows => write!(f, "windows"),
#[cfg(target_os = "macos")]
EmulationBackend::MacOs => write!(f, "macos"),
EmulationBackend::Dummy => write!(f, "dummy"),
}
}
}
#[derive(Debug)]
pub struct Config {
pub frontend: Frontend,
pub port: u16,
pub clients: Vec<(TomlClient, Position)>,
pub daemon: bool,
pub release_bind: Vec<scancode::Linux>,
/// command line arguments
args: Args,
/// path to the certificate file used
cert_path: PathBuf,
/// path to the config file used
config_path: PathBuf,
/// the (optional) toml config and it's path
config_toml: Option<ConfigToml>,
}
pub struct ConfigClient {
@@ -82,126 +252,136 @@ pub struct ConfigClient {
pub port: u16,
pub pos: Position,
pub active: bool,
pub enter_hook: Option<String>,
}
impl From<TomlClient> for ConfigClient {
fn from(toml: TomlClient) -> Self {
let active = toml.activate_on_startup.unwrap_or(false);
let enter_hook = toml.enter_hook;
let hostname = toml.hostname;
let ips = HashSet::from_iter(toml.ips.into_iter().flatten());
let port = toml.port.unwrap_or(DEFAULT_PORT);
let pos = toml.position.unwrap_or_default();
Self {
ips,
hostname,
port,
pos,
active,
enter_hook,
}
}
}
#[derive(Debug, Error)]
pub enum ConfigError {
#[error(transparent)]
Toml(#[from] toml::de::Error),
#[error(transparent)]
Io(#[from] io::Error),
#[error(transparent)]
Var(#[from] VarError),
}
const DEFAULT_RELEASE_KEYS: [scancode::Linux; 4] =
[KeyLeftCtrl, KeyLeftShift, KeyLeftMeta, KeyLeftAlt];
impl Config {
pub fn new() -> Result<Self> {
let args = CliArgs::parse();
let config_file = "config.toml";
#[cfg(unix)]
let config_path = {
let xdg_config_home =
env::var("XDG_CONFIG_HOME").unwrap_or(format!("{}/.config", env::var("HOME")?));
format!("{xdg_config_home}/lan-mouse/{config_file}")
};
#[cfg(not(unix))]
let config_path = {
let app_data =
env::var("LOCALAPPDATA").unwrap_or(format!("{}/.config", env::var("USERPROFILE")?));
format!("{app_data}\\lan-mouse\\{config_file}")
};
pub fn new() -> Result<Self, ConfigError> {
let args = Args::parse();
// --config <file> overrules default location
let config_path = args.config.unwrap_or(config_path);
let config_path = args
.config
.clone()
.unwrap_or(default_path()?.join(CONFIG_FILE_NAME));
let config_toml = match ConfigToml::new(config_path.as_str()) {
let config_toml = match ConfigToml::new(&config_path) {
Err(e) => {
log::warn!("{config_path}: {e}");
log::warn!("{config_path:?}: {e}");
log::warn!("Continuing without config file ...");
None
}
Ok(c) => Some(c),
};
let frontend = match args.frontend {
None => match &config_toml {
Some(c) => c.frontend.clone(),
None => None,
},
frontend => frontend,
};
let frontend = match frontend {
#[cfg(feature = "gtk")]
None => Frontend::Gtk,
#[cfg(not(feature = "gtk"))]
None => Frontend::Cli,
Some(s) => match s.as_str() {
"cli" => Frontend::Cli,
"gtk" => Frontend::Gtk,
_ => Frontend::Cli,
},
};
let port = match args.port {
Some(port) => port,
None => match &config_toml {
Some(c) => c.port.unwrap_or(DEFAULT_PORT),
None => DEFAULT_PORT,
},
};
log::debug!("{config_toml:?}");
let release_bind = config_toml
.as_ref()
.and_then(|c| c.release_bind.clone())
.unwrap_or(Vec::from_iter(DEFAULT_RELEASE_KEYS.iter().cloned()));
let mut clients: Vec<(TomlClient, Position)> = vec![];
if let Some(config_toml) = config_toml {
if let Some(c) = config_toml.right {
clients.push((c, Position::Right))
}
if let Some(c) = config_toml.left {
clients.push((c, Position::Left))
}
if let Some(c) = config_toml.top {
clients.push((c, Position::Top))
}
if let Some(c) = config_toml.bottom {
clients.push((c, Position::Bottom))
}
}
let daemon = args.daemon;
// --cert-path <file> overrules default location
let cert_path = args
.cert_path
.clone()
.or(config_toml.as_ref().and_then(|c| c.cert_path.clone()))
.unwrap_or(default_path()?.join(CERT_FILE_NAME));
Ok(Config {
daemon,
frontend,
clients,
port,
release_bind,
args,
cert_path,
config_path,
config_toml,
})
}
pub fn get_clients(&self) -> Vec<ConfigClient> {
self.clients
.iter()
.map(|(c, pos)| {
let port = c.port.unwrap_or(DEFAULT_PORT);
let ips: HashSet<IpAddr> = if let Some(ips) = c.ips.as_ref() {
HashSet::from_iter(ips.iter().cloned())
} else {
HashSet::new()
};
let hostname = match &c.hostname {
Some(h) => Some(h.clone()),
None => c.host_name.clone(),
};
let active = c.activate_on_startup.unwrap_or(false);
ConfigClient {
ips,
hostname,
port,
pos: *pos,
active,
}
})
/// the command to run
pub fn command(&self) -> Option<Command> {
self.args.command.clone()
}
pub fn config_path(&self) -> &Path {
&self.config_path
}
/// public key fingerprints authorized for connection
pub fn authorized_fingerprints(&self) -> HashMap<String, String> {
self.config_toml
.as_ref()
.and_then(|c| c.authorized_fingerprints.clone())
.unwrap_or_default()
}
/// path to certificate
pub fn cert_path(&self) -> &Path {
&self.cert_path
}
/// optional input-capture backend override
pub fn capture_backend(&self) -> Option<CaptureBackend> {
self.args
.capture_backend
.or(self.config_toml.as_ref().and_then(|c| c.capture_backend))
}
/// optional input-emulation backend override
pub fn emulation_backend(&self) -> Option<EmulationBackend> {
self.args
.emulation_backend
.or(self.config_toml.as_ref().and_then(|c| c.emulation_backend))
}
/// the port to use (initially)
pub fn port(&self) -> u16 {
self.args
.port
.or(self.config_toml.as_ref().and_then(|c| c.port))
.unwrap_or(DEFAULT_PORT)
}
/// list of configured clients
pub fn clients(&self) -> Vec<ConfigClient> {
self.config_toml
.as_ref()
.map(|c| c.clients.clone())
.unwrap_or_default()
.into_iter()
.flatten()
.map(From::<TomlClient>::from)
.collect()
}
/// release bind for returning control to the host
pub fn release_bind(&self) -> Vec<scancode::Linux> {
self.config_toml
.as_ref()
.and_then(|c| c.release_bind.clone())
.unwrap_or(Vec::from_iter(DEFAULT_RELEASE_KEYS.iter().cloned()))
}
}

281
src/connect.rs Normal file
View File

@@ -0,0 +1,281 @@
use crate::client::ClientManager;
use lan_mouse_ipc::{ClientHandle, DEFAULT_PORT};
use lan_mouse_proto::{ProtoEvent, MAX_EVENT_SIZE};
use local_channel::mpsc::{channel, Receiver, Sender};
use std::{
cell::RefCell,
collections::{HashMap, HashSet},
io,
net::SocketAddr,
rc::Rc,
sync::Arc,
time::Duration,
};
use thiserror::Error;
use tokio::{
net::UdpSocket,
sync::Mutex,
task::{spawn_local, JoinSet},
};
use webrtc_dtls::{
config::{Config, ExtendedMasterSecretType},
conn::DTLSConn,
crypto::Certificate,
};
use webrtc_util::Conn;
#[derive(Debug, Error)]
pub(crate) enum LanMouseConnectionError {
#[error(transparent)]
Bind(#[from] io::Error),
#[error(transparent)]
Dtls(#[from] webrtc_dtls::Error),
#[error(transparent)]
Webrtc(#[from] webrtc_util::Error),
#[error("not connected")]
NotConnected,
#[error("emulation is disabled on the target device")]
TargetEmulationDisabled,
#[error("Connection timed out")]
Timeout,
}
const DEFAULT_CONNECTION_TIMEOUT: Duration = Duration::from_secs(5);
async fn connect(
addr: SocketAddr,
cert: Certificate,
) -> Result<(Arc<dyn Conn + Sync + Send>, SocketAddr), (SocketAddr, LanMouseConnectionError)> {
log::info!("connecting to {addr} ...");
let conn = Arc::new(
UdpSocket::bind("0.0.0.0:0")
.await
.map_err(|e| (addr, e.into()))?,
);
conn.connect(addr).await.map_err(|e| (addr, e.into()))?;
let config = Config {
certificates: vec![cert],
server_name: "ignored".to_owned(),
insecure_skip_verify: true,
extended_master_secret: ExtendedMasterSecretType::Require,
..Default::default()
};
let timeout = tokio::time::sleep(DEFAULT_CONNECTION_TIMEOUT);
tokio::select! {
_ = timeout => Err((addr, LanMouseConnectionError::Timeout)),
result = DTLSConn::new(conn, config, true, None) => match result {
Ok(dtls_conn) => Ok((Arc::new(dtls_conn), addr)),
Err(e) => Err((addr, e.into())),
}
}
}
async fn connect_any(
addrs: &[SocketAddr],
cert: Certificate,
) -> Result<(Arc<dyn Conn + Send + Sync>, SocketAddr), LanMouseConnectionError> {
let mut joinset = JoinSet::new();
for &addr in addrs {
joinset.spawn_local(connect(addr, cert.clone()));
}
loop {
match joinset.join_next().await {
None => return Err(LanMouseConnectionError::NotConnected),
Some(r) => match r.expect("join error") {
Ok(conn) => return Ok(conn),
Err((a, e)) => {
log::warn!("failed to connect to {a}: `{e}`")
}
},
};
}
}
pub(crate) struct LanMouseConnection {
cert: Certificate,
client_manager: ClientManager,
conns: Rc<Mutex<HashMap<SocketAddr, Arc<dyn Conn + Send + Sync>>>>,
connecting: Rc<Mutex<HashSet<ClientHandle>>>,
recv_rx: Receiver<(ClientHandle, ProtoEvent)>,
recv_tx: Sender<(ClientHandle, ProtoEvent)>,
ping_response: Rc<RefCell<HashSet<SocketAddr>>>,
}
impl LanMouseConnection {
pub(crate) fn new(cert: Certificate, client_manager: ClientManager) -> Self {
let (recv_tx, recv_rx) = channel();
Self {
cert,
client_manager,
conns: Default::default(),
connecting: Default::default(),
recv_rx,
recv_tx,
ping_response: Default::default(),
}
}
pub(crate) async fn recv(&mut self) -> (ClientHandle, ProtoEvent) {
self.recv_rx.recv().await.expect("channel closed")
}
pub(crate) async fn send(
&self,
event: ProtoEvent,
handle: ClientHandle,
) -> Result<(), LanMouseConnectionError> {
let (buf, len): ([u8; MAX_EVENT_SIZE], usize) = event.into();
let buf = &buf[..len];
if let Some(addr) = self.client_manager.active_addr(handle) {
let conn = {
let conns = self.conns.lock().await;
conns.get(&addr).cloned()
};
if let Some(conn) = conn {
if !self.client_manager.alive(handle) {
return Err(LanMouseConnectionError::TargetEmulationDisabled);
}
match conn.send(buf).await {
Ok(_) => {}
Err(e) => {
log::warn!("client {handle} failed to send: {e}");
disconnect(&self.client_manager, handle, addr, &self.conns).await;
}
}
log::trace!("{event} >->->->->- {addr}");
return Ok(());
}
}
// check if we are already trying to connect
let mut connecting = self.connecting.lock().await;
if !connecting.contains(&handle) {
connecting.insert(handle);
// connect in the background
spawn_local(connect_to_handle(
self.client_manager.clone(),
self.cert.clone(),
handle,
self.conns.clone(),
self.connecting.clone(),
self.recv_tx.clone(),
self.ping_response.clone(),
));
}
Err(LanMouseConnectionError::NotConnected)
}
}
async fn connect_to_handle(
client_manager: ClientManager,
cert: Certificate,
handle: ClientHandle,
conns: Rc<Mutex<HashMap<SocketAddr, Arc<dyn Conn + Send + Sync>>>>,
connecting: Rc<Mutex<HashSet<ClientHandle>>>,
tx: Sender<(ClientHandle, ProtoEvent)>,
ping_response: Rc<RefCell<HashSet<SocketAddr>>>,
) -> Result<(), LanMouseConnectionError> {
log::info!("client {handle} connecting ...");
// sending did not work, figure out active conn.
if let Some(addrs) = client_manager.get_ips(handle) {
let port = client_manager.get_port(handle).unwrap_or(DEFAULT_PORT);
let addrs = addrs
.into_iter()
.map(|a| SocketAddr::new(a, port))
.collect::<Vec<_>>();
log::info!("client ({handle}) connecting ... (ips: {addrs:?})");
let res = connect_any(&addrs, cert).await;
let (conn, addr) = match res {
Ok(c) => c,
Err(e) => {
connecting.lock().await.remove(&handle);
return Err(e);
}
};
log::info!("client ({handle}) connected @ {addr}");
client_manager.set_active_addr(handle, Some(addr));
conns.lock().await.insert(addr, conn.clone());
connecting.lock().await.remove(&handle);
// poll connection for active
spawn_local(ping_pong(addr, conn.clone(), ping_response.clone()));
// receiver
spawn_local(receive_loop(
client_manager,
handle,
addr,
conn,
conns,
tx,
ping_response.clone(),
));
return Ok(());
}
connecting.lock().await.remove(&handle);
Err(LanMouseConnectionError::NotConnected)
}
async fn ping_pong(
addr: SocketAddr,
conn: Arc<dyn Conn + Send + Sync>,
ping_response: Rc<RefCell<HashSet<SocketAddr>>>,
) {
loop {
let (buf, len) = ProtoEvent::Ping.into();
if let Err(e) = conn.send(&buf[..len]).await {
log::warn!("{addr}: send error `{e}`, closing connection");
let _ = conn.close().await;
break;
}
log::trace!("PING >->->->->- {addr}");
tokio::time::sleep(Duration::from_millis(500)).await;
if !ping_response.borrow_mut().remove(&addr) {
log::warn!("{addr} did not respond, closing connection");
let _ = conn.close().await;
return;
}
}
}
async fn receive_loop(
client_manager: ClientManager,
handle: ClientHandle,
addr: SocketAddr,
conn: Arc<dyn Conn + Send + Sync>,
conns: Rc<Mutex<HashMap<SocketAddr, Arc<dyn Conn + Send + Sync>>>>,
tx: Sender<(ClientHandle, ProtoEvent)>,
ping_response: Rc<RefCell<HashSet<SocketAddr>>>,
) {
let mut buf = [0u8; MAX_EVENT_SIZE];
while conn.recv(&mut buf).await.is_ok() {
if let Ok(event) = buf.try_into() {
log::trace!("{addr} <==<==<== {event}");
match event {
ProtoEvent::Pong(b) => {
client_manager.set_active_addr(handle, Some(addr));
client_manager.set_alive(handle, b);
ping_response.borrow_mut().insert(addr);
}
event => tx.send((handle, event)).expect("channel closed"),
}
}
}
log::warn!("recv error");
disconnect(&client_manager, handle, addr, &conns).await;
}
async fn disconnect(
client_manager: &ClientManager,
handle: ClientHandle,
addr: SocketAddr,
conns: &Mutex<HashMap<SocketAddr, Arc<dyn Conn + Send + Sync>>>,
) {
log::warn!("client ({handle}) @ {addr} connection closed");
conns.lock().await.remove(&addr);
client_manager.set_active_addr(handle, None);
let active: Vec<SocketAddr> = conns.lock().await.keys().copied().collect();
log::info!("active connections: {active:?}");
}

71
src/crypto.rs Normal file
View File

@@ -0,0 +1,71 @@
use std::fs;
use std::io::{self, BufWriter, Read, Write};
use std::path::Path;
use std::{fs::File, io::BufReader};
#[cfg(unix)]
use std::os::unix::fs::PermissionsExt;
use sha2::{Digest, Sha256};
use thiserror::Error;
use webrtc_dtls::crypto::Certificate;
#[derive(Debug, Error)]
pub enum Error {
#[error(transparent)]
Io(#[from] io::Error),
#[error(transparent)]
Dtls(#[from] webrtc_dtls::Error),
}
pub fn generate_fingerprint(cert: &[u8]) -> String {
let mut hash = Sha256::new();
hash.update(cert);
let bytes = hash
.finalize()
.iter()
.map(|x| format!("{x:02x}"))
.collect::<Vec<_>>();
bytes.join(":").to_lowercase()
}
pub fn certificate_fingerprint(cert: &Certificate) -> String {
let certificate = cert.certificate.first().expect("certificate missing");
generate_fingerprint(certificate)
}
/// load certificate from file
pub fn load_certificate(path: &Path) -> Result<Certificate, Error> {
let f = File::open(path)?;
let mut reader = BufReader::new(f);
let mut pem = String::new();
reader.read_to_string(&mut pem)?;
Ok(Certificate::from_pem(pem.as_str())?)
}
pub(crate) fn load_or_generate_key_and_cert(path: &Path) -> Result<Certificate, Error> {
if path.exists() && path.is_file() {
Ok(load_certificate(path)?)
} else {
generate_key_and_cert(path)
}
}
pub(crate) fn generate_key_and_cert(path: &Path) -> Result<Certificate, Error> {
let cert = Certificate::generate_self_signed(["ignored".to_owned()])?;
let serialized = cert.serialize_pem();
let parent = path.parent().expect("is a path");
fs::create_dir_all(parent)?;
let f = File::create(path)?;
#[cfg(unix)]
{
let mut perm = f.metadata()?.permissions();
perm.set_mode(0o400); /* r-- --- --- */
f.set_permissions(perm)?;
}
/* FIXME windows permissions */
let mut writer = BufWriter::new(f);
writer.write_all(serialized.as_bytes())?;
Ok(cert)
}

View File

@@ -1,23 +1,117 @@
use anyhow::Result;
use std::{error::Error, net::IpAddr};
use std::{collections::HashMap, net::IpAddr};
use trust_dns_resolver::TokioAsyncResolver;
use local_channel::mpsc::{channel, Receiver, Sender};
use tokio::task::{spawn_local, JoinHandle};
pub struct DnsResolver {
use hickory_resolver::{error::ResolveError, TokioAsyncResolver};
use tokio_util::sync::CancellationToken;
use lan_mouse_ipc::ClientHandle;
pub(crate) struct DnsResolver {
cancellation_token: CancellationToken,
task: Option<JoinHandle<()>>,
request_tx: Sender<DnsRequest>,
event_rx: Receiver<DnsEvent>,
}
struct DnsRequest {
handle: ClientHandle,
hostname: String,
}
pub(crate) enum DnsEvent {
Resolving(ClientHandle),
Resolved(ClientHandle, String, Result<Vec<IpAddr>, ResolveError>),
}
struct DnsTask {
resolver: TokioAsyncResolver,
request_rx: Receiver<DnsRequest>,
event_tx: Sender<DnsEvent>,
cancellation_token: CancellationToken,
active_tasks: HashMap<ClientHandle, JoinHandle<()>>,
}
impl DnsResolver {
pub(crate) async fn new() -> Result<Self> {
pub(crate) fn new() -> Result<Self, ResolveError> {
let resolver = TokioAsyncResolver::tokio_from_system_conf()?;
Ok(Self { resolver })
let (request_tx, request_rx) = channel();
let (event_tx, event_rx) = channel();
let cancellation_token = CancellationToken::new();
let dns_task = DnsTask {
active_tasks: Default::default(),
resolver,
request_rx,
event_tx,
cancellation_token: cancellation_token.clone(),
};
let task = Some(spawn_local(dns_task.run()));
Ok(Self {
cancellation_token,
task,
event_rx,
request_tx,
})
}
pub(crate) async fn resolve(&self, host: &str) -> Result<Vec<IpAddr>, Box<dyn Error>> {
log::info!("resolving {host} ...");
let response = self.resolver.lookup_ip(host).await?;
for ip in response.iter() {
log::info!("{host}: adding ip {ip}");
}
Ok(response.iter().collect())
pub(crate) fn resolve(&self, handle: ClientHandle, hostname: String) {
let request = DnsRequest { handle, hostname };
self.request_tx.send(request).expect("channel closed");
}
pub(crate) async fn event(&mut self) -> DnsEvent {
self.event_rx.recv().await.expect("channel closed")
}
pub(crate) async fn terminate(&mut self) {
self.cancellation_token.cancel();
self.task.take().expect("task").await.expect("join error");
}
}
impl DnsTask {
async fn run(mut self) {
let cancellation_token = self.cancellation_token.clone();
tokio::select! {
_ = self.do_dns() => {},
_ = cancellation_token.cancelled() => {},
}
}
async fn do_dns(&mut self) {
while let Some(dns_request) = self.request_rx.recv().await {
let DnsRequest { handle, hostname } = dns_request;
/* abort previous dns task */
let previous_task = self.active_tasks.remove(&handle);
if let Some(task) = previous_task {
if !task.is_finished() {
task.abort();
}
}
self.event_tx
.send(DnsEvent::Resolving(handle))
.expect("channel closed");
/* spawn task for dns request */
let event_tx = self.event_tx.clone();
let resolver = self.resolver.clone();
let cancellation_token = self.cancellation_token.clone();
let task = tokio::task::spawn_local(async move {
tokio::select! {
ips = resolver.lookup_ip(&hostname) => {
let ips = ips.map(|ips| ips.iter().collect::<Vec<_>>());
event_tx
.send(DnsEvent::Resolved(handle, hostname, ips))
.expect("channel closed");
}
_ = cancellation_token.cancelled() => {},
}
});
self.active_tasks.insert(handle, task);
}
}
}

View File

@@ -1,98 +0,0 @@
use async_trait::async_trait;
use std::future;
use crate::{
client::{ClientEvent, ClientHandle},
event::Event,
};
use anyhow::Result;
#[cfg(windows)]
pub mod windows;
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
pub mod x11;
#[cfg(all(unix, feature = "wayland", not(target_os = "macos")))]
pub mod wlroots;
#[cfg(all(unix, feature = "xdg_desktop_portal", not(target_os = "macos")))]
pub mod xdg_desktop_portal;
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
pub mod libei;
#[cfg(target_os = "macos")]
pub mod macos;
/// fallback input emulation (logs events)
pub mod dummy;
#[async_trait]
pub trait InputEmulation: Send {
async fn consume(&mut self, event: Event, client_handle: ClientHandle);
async fn notify(&mut self, client_event: ClientEvent);
/// this function is waited on continuously and can be used to handle events
async fn dispatch(&mut self) -> Result<()> {
let _: () = future::pending().await;
Ok(())
}
async fn destroy(&mut self);
}
pub async fn create() -> Box<dyn InputEmulation> {
#[cfg(windows)]
match windows::WindowsEmulation::new() {
Ok(c) => return Box::new(c),
Err(e) => log::warn!("windows input emulation unavailable: {e}"),
}
#[cfg(target_os = "macos")]
match macos::MacOSEmulation::new() {
Ok(c) => {
log::info!("using macos input emulation");
return Box::new(c);
}
Err(e) => log::error!("macos input emulatino not available: {e}"),
}
#[cfg(all(unix, feature = "wayland", not(target_os = "macos")))]
match wlroots::WlrootsEmulation::new() {
Ok(c) => {
log::info!("using wlroots input emulation");
return Box::new(c);
}
Err(e) => log::info!("wayland backend not available: {e}"),
}
#[cfg(all(unix, feature = "libei", not(target_os = "macos")))]
match libei::LibeiEmulation::new().await {
Ok(c) => {
log::info!("using libei input emulation");
return Box::new(c);
}
Err(e) => log::info!("libei not available: {e}"),
}
#[cfg(all(unix, feature = "xdg_desktop_portal", not(target_os = "macos")))]
match xdg_desktop_portal::DesktopPortalEmulation::new().await {
Ok(c) => {
log::info!("using xdg-remote-desktop-portal input emulation");
return Box::new(c);
}
Err(e) => log::info!("remote desktop portal not available: {e}"),
}
#[cfg(all(unix, feature = "x11", not(target_os = "macos")))]
match x11::X11Emulation::new() {
Ok(c) => {
log::info!("using x11 input emulation");
return Box::new(c);
}
Err(e) => log::info!("x11 input emulation not available: {e}"),
}
log::error!("falling back to dummy input emulation");
Box::new(dummy::DummyEmulation::new())
}

View File

@@ -1,26 +0,0 @@
use crate::{
client::{ClientEvent, ClientHandle},
emulate::InputEmulation,
event::Event,
};
use async_trait::async_trait;
#[derive(Default)]
pub struct DummyEmulation;
impl DummyEmulation {
pub fn new() -> Self {
Self {}
}
}
#[async_trait]
impl InputEmulation for DummyEmulation {
async fn consume(&mut self, event: Event, client_handle: ClientHandle) {
log::info!("received event: ({client_handle}) {event}");
}
async fn notify(&mut self, client_event: ClientEvent) {
log::info!("{client_event:?}");
}
async fn destroy(&mut self) {}
}

View File

@@ -1,387 +0,0 @@
use std::{
collections::HashMap,
os::{fd::OwnedFd, unix::net::UnixStream},
time::{SystemTime, UNIX_EPOCH},
};
use anyhow::{anyhow, Result};
use ashpd::{
desktop::{
remote_desktop::{DeviceType, RemoteDesktop},
ResponseError,
},
WindowIdentifier,
};
use async_trait::async_trait;
use futures::StreamExt;
use reis::{
ei::{self, button::ButtonState, handshake::ContextType, keyboard::KeyState},
tokio::EiEventStream,
PendingRequestResult,
};
use crate::{
client::{ClientEvent, ClientHandle},
emulate::InputEmulation,
event::Event,
};
pub struct LibeiEmulation {
handshake: bool,
context: ei::Context,
events: EiEventStream,
pointer: Option<(ei::Device, ei::Pointer)>,
has_pointer: bool,
scroll: Option<(ei::Device, ei::Scroll)>,
has_scroll: bool,
button: Option<(ei::Device, ei::Button)>,
has_button: bool,
keyboard: Option<(ei::Device, ei::Keyboard)>,
has_keyboard: bool,
capabilities: HashMap<String, u64>,
capability_mask: u64,
sequence: u32,
serial: u32,
}
async fn get_ei_fd() -> Result<OwnedFd, ashpd::Error> {
let proxy = RemoteDesktop::new().await?;
// retry when user presses the cancel button
let (session, _) = loop {
log::debug!("creating session ...");
let session = proxy.create_session().await?;
log::debug!("selecting devices ...");
proxy
.select_devices(&session, DeviceType::Keyboard | DeviceType::Pointer)
.await?;
log::info!("requesting permission for input emulation");
match proxy
.start(&session, &WindowIdentifier::default())
.await?
.response()
{
Ok(d) => break (session, d),
Err(ashpd::Error::Response(ResponseError::Cancelled)) => {
log::warn!("request cancelled!");
continue;
}
e => e?,
};
};
proxy.connect_to_eis(&session).await
}
impl LibeiEmulation {
pub async fn new() -> Result<Self> {
// fd is owned by the message, so we need to dup it
let eifd = get_ei_fd().await?;
let stream = UnixStream::from(eifd);
// let stream = UnixStream::connect("/run/user/1000/eis-0")?;
stream.set_nonblocking(true)?;
let context = ei::Context::new(stream)?;
context.flush()?;
let events = EiEventStream::new(context.clone())?;
Ok(Self {
handshake: false,
context,
events,
pointer: None,
button: None,
scroll: None,
keyboard: None,
has_pointer: false,
has_button: false,
has_scroll: false,
has_keyboard: false,
capabilities: HashMap::new(),
capability_mask: 0,
sequence: 0,
serial: 0,
})
}
}
#[async_trait]
impl InputEmulation for LibeiEmulation {
async fn consume(&mut self, event: Event, _client_handle: ClientHandle) {
let now = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_micros() as u64;
match event {
Event::Pointer(p) => match p {
crate::event::PointerEvent::Motion {
time: _,
relative_x,
relative_y,
} => {
if !self.has_pointer {
return;
}
if let Some((d, p)) = self.pointer.as_mut() {
p.motion_relative(relative_x as f32, relative_y as f32);
d.frame(self.serial, now);
}
}
crate::event::PointerEvent::Button {
time: _,
button,
state,
} => {
if !self.has_button {
return;
}
if let Some((d, b)) = self.button.as_mut() {
b.button(
button,
match state {
0 => ButtonState::Released,
_ => ButtonState::Press,
},
);
d.frame(self.serial, now);
}
}
crate::event::PointerEvent::Axis {
time: _,
axis,
value,
} => {
if !self.has_scroll {
return;
}
if let Some((d, s)) = self.scroll.as_mut() {
match axis {
0 => s.scroll(0., value as f32),
_ => s.scroll(value as f32, 0.),
}
d.frame(self.serial, now);
}
}
crate::event::PointerEvent::Frame {} => {}
},
Event::Keyboard(k) => match k {
crate::event::KeyboardEvent::Key {
time: _,
key,
state,
} => {
if !self.has_keyboard {
return;
}
if let Some((d, k)) = &mut self.keyboard {
k.key(
key,
match state {
0 => KeyState::Released,
_ => KeyState::Press,
},
);
d.frame(self.serial, now);
}
}
crate::event::KeyboardEvent::Modifiers { .. } => {}
},
_ => {}
}
self.context.flush().unwrap();
}
async fn dispatch(&mut self) -> Result<()> {
let event = match self.events.next().await {
Some(e) => e?,
None => return Err(anyhow!("libei connection lost")),
};
let event = match event {
PendingRequestResult::Request(result) => result,
PendingRequestResult::ParseError(e) => {
return Err(anyhow!("libei protocol violation: {e}"))
}
PendingRequestResult::InvalidObject(e) => return Err(anyhow!("invalid object {e}")),
};
match event {
ei::Event::Handshake(handshake, request) => match request {
ei::handshake::Event::HandshakeVersion { version } => {
if self.handshake {
return Ok(());
}
log::info!("libei version {}", version);
// sender means we are sending events _to_ the eis server
handshake.handshake_version(version); // FIXME
handshake.context_type(ContextType::Sender);
handshake.name("ei-demo-client");
handshake.interface_version("ei_connection", 1);
handshake.interface_version("ei_callback", 1);
handshake.interface_version("ei_pingpong", 1);
handshake.interface_version("ei_seat", 1);
handshake.interface_version("ei_device", 2);
handshake.interface_version("ei_pointer", 1);
handshake.interface_version("ei_pointer_absolute", 1);
handshake.interface_version("ei_scroll", 1);
handshake.interface_version("ei_button", 1);
handshake.interface_version("ei_keyboard", 1);
handshake.interface_version("ei_touchscreen", 1);
handshake.finish();
self.handshake = true;
}
ei::handshake::Event::InterfaceVersion { name, version } => {
log::debug!("handshake: Interface {name} @ {version}");
}
ei::handshake::Event::Connection { serial, connection } => {
connection.sync(1);
self.serial = serial;
}
_ => unreachable!(),
},
ei::Event::Connection(_connection, request) => match request {
ei::connection::Event::Seat { seat } => {
log::debug!("connected to seat: {seat:?}");
}
ei::connection::Event::Ping { ping } => {
ping.done(0);
}
ei::connection::Event::Disconnected {
last_serial: _,
reason,
explanation,
} => {
log::debug!("ei - disconnected: reason: {reason:?}: {explanation}")
}
ei::connection::Event::InvalidObject {
last_serial,
invalid_id,
} => {
return Err(anyhow!(
"invalid object: id: {invalid_id}, serial: {last_serial}"
));
}
_ => unreachable!(),
},
ei::Event::Device(device, request) => match request {
ei::device::Event::Destroyed { serial } => {
log::debug!("device destroyed: {device:?} - serial: {serial}")
}
ei::device::Event::Name { name } => {
log::debug!("device name: {name}")
}
ei::device::Event::DeviceType { device_type } => {
log::debug!("device type: {device_type:?}")
}
ei::device::Event::Dimensions { width, height } => {
log::debug!("device dimensions: {width}x{height}")
}
ei::device::Event::Region {
offset_x,
offset_y,
width,
hight,
scale,
} => log::debug!(
"device region: {width}x{hight} @ ({offset_x},{offset_y}), scale: {scale}"
),
ei::device::Event::Interface { object } => {
log::debug!("device interface: {object:?}");
if object.interface().eq("ei_pointer") {
log::debug!("GOT POINTER DEVICE");
self.pointer.replace((device, object.downcast().unwrap()));
} else if object.interface().eq("ei_button") {
log::debug!("GOT BUTTON DEVICE");
self.button.replace((device, object.downcast().unwrap()));
} else if object.interface().eq("ei_scroll") {
log::debug!("GOT SCROLL DEVICE");
self.scroll.replace((device, object.downcast().unwrap()));
} else if object.interface().eq("ei_keyboard") {
log::debug!("GOT KEYBOARD DEVICE");
self.keyboard.replace((device, object.downcast().unwrap()));
}
}
ei::device::Event::Done => {
log::debug!("device: done {device:?}");
}
ei::device::Event::Resumed { serial } => {
self.serial = serial;
device.start_emulating(serial, self.sequence);
self.sequence += 1;
log::debug!("resumed: {device:?}");
if let Some((d, _)) = &mut self.pointer {
if d == &device {
log::debug!("pointer resumed {serial}");
self.has_pointer = true;
}
}
if let Some((d, _)) = &mut self.button {
if d == &device {
log::debug!("button resumed {serial}");
self.has_button = true;
}
}
if let Some((d, _)) = &mut self.scroll {
if d == &device {
log::debug!("scroll resumed {serial}");
self.has_scroll = true;
}
}
if let Some((d, _)) = &mut self.keyboard {
if d == &device {
log::debug!("keyboard resumed {serial}");
self.has_keyboard = true;
}
}
}
ei::device::Event::Paused { serial } => {
self.has_pointer = false;
self.has_button = false;
self.serial = serial;
}
ei::device::Event::StartEmulating { serial, sequence } => {
log::debug!("start emulating {serial}, {sequence}")
}
ei::device::Event::StopEmulating { serial } => {
log::debug!("stop emulating {serial}")
}
ei::device::Event::Frame { serial, timestamp } => {
log::debug!("frame: {serial}, {timestamp}");
}
ei::device::Event::RegionMappingId { mapping_id } => {
log::debug!("RegionMappingId {mapping_id}")
}
e => log::debug!("invalid event: {e:?}"),
},
ei::Event::Seat(seat, request) => match request {
ei::seat::Event::Destroyed { serial } => {
self.serial = serial;
log::debug!("seat destroyed: {seat:?}");
}
ei::seat::Event::Name { name } => {
log::debug!("seat name: {name}");
}
ei::seat::Event::Capability { mask, interface } => {
log::debug!("seat capabilities: {mask}, interface: {interface:?}");
self.capabilities.insert(interface, mask);
self.capability_mask |= mask;
}
ei::seat::Event::Done => {
log::debug!("seat done");
log::debug!("binding capabilities: {}", self.capability_mask);
seat.bind(self.capability_mask);
}
ei::seat::Event::Device { device } => {
log::debug!("seat: new device - {device:?}");
}
_ => todo!(),
},
e => log::debug!("unhandled event: {e:?}"),
}
self.context.flush()?;
Ok(())
}
async fn notify(&mut self, _client_event: ClientEvent) {}
async fn destroy(&mut self) {}
}

View File

@@ -1,279 +0,0 @@
use crate::client::{ClientEvent, ClientHandle};
use crate::emulate::InputEmulation;
use crate::event::{Event, KeyboardEvent, PointerEvent};
use anyhow::{anyhow, Result};
use async_trait::async_trait;
use core_graphics::display::{CGDisplayBounds, CGMainDisplayID, CGPoint};
use core_graphics::event::{
CGEvent, CGEventTapLocation, CGEventType, CGKeyCode, CGMouseButton, EventField, ScrollEventUnit,
};
use core_graphics::event_source::{CGEventSource, CGEventSourceStateID};
use keycode::{KeyMap, KeyMapping};
use std::ops::{Index, IndexMut};
use std::time::Duration;
use tokio::task::AbortHandle;
const DEFAULT_REPEAT_DELAY: Duration = Duration::from_millis(500);
const DEFAULT_REPEAT_INTERVAL: Duration = Duration::from_millis(32);
pub struct MacOSEmulation {
pub event_source: CGEventSource,
repeat_task: Option<AbortHandle>,
button_state: ButtonState,
}
struct ButtonState {
left: bool,
right: bool,
center: bool,
}
impl Index<CGMouseButton> for ButtonState {
type Output = bool;
fn index(&self, index: CGMouseButton) -> &Self::Output {
match index {
CGMouseButton::Left => &self.left,
CGMouseButton::Right => &self.right,
CGMouseButton::Center => &self.center,
}
}
}
impl IndexMut<CGMouseButton> for ButtonState {
fn index_mut(&mut self, index: CGMouseButton) -> &mut Self::Output {
match index {
CGMouseButton::Left => &mut self.left,
CGMouseButton::Right => &mut self.right,
CGMouseButton::Center => &mut self.center,
}
}
}
unsafe impl Send for MacOSEmulation {}
impl MacOSEmulation {
pub fn new() -> Result<Self> {
let event_source = match CGEventSource::new(CGEventSourceStateID::CombinedSessionState) {
Ok(e) => e,
Err(_) => return Err(anyhow!("event source creation failed!")),
};
let button_state = ButtonState {
left: false,
right: false,
center: false,
};
Ok(Self {
event_source,
button_state,
repeat_task: None,
})
}
fn get_mouse_location(&self) -> Option<CGPoint> {
let event: CGEvent = CGEvent::new(self.event_source.clone()).ok()?;
Some(event.location())
}
async fn spawn_repeat_task(&mut self, key: u16) {
// there can only be one repeating key and it's
// always the last to be pressed
self.kill_repeat_task();
let event_source = self.event_source.clone();
let repeat_task = tokio::task::spawn_local(async move {
tokio::time::sleep(DEFAULT_REPEAT_DELAY).await;
loop {
key_event(event_source.clone(), key, 1);
tokio::time::sleep(DEFAULT_REPEAT_INTERVAL).await;
}
});
self.repeat_task = Some(repeat_task.abort_handle());
}
fn kill_repeat_task(&mut self) {
if let Some(task) = self.repeat_task.take() {
task.abort();
}
}
}
fn key_event(event_source: CGEventSource, key: u16, state: u8) {
let event = match CGEvent::new_keyboard_event(event_source, key, state != 0) {
Ok(e) => e,
Err(_) => {
log::warn!("unable to create key event");
return;
}
};
event.post(CGEventTapLocation::HID);
}
#[async_trait]
impl InputEmulation for MacOSEmulation {
async fn consume(&mut self, event: Event, _client_handle: ClientHandle) {
match event {
Event::Pointer(pointer_event) => match pointer_event {
PointerEvent::Motion {
time: _,
relative_x,
relative_y,
} => {
// FIXME secondary displays?
let (min_x, min_y, max_x, max_y) = unsafe {
let display = CGMainDisplayID();
let bounds = CGDisplayBounds(display);
let min_x = bounds.origin.x;
let max_x = bounds.origin.x + bounds.size.width;
let min_y = bounds.origin.y;
let max_y = bounds.origin.y + bounds.size.height;
(min_x as f64, min_y as f64, max_x as f64, max_y as f64)
};
let mut mouse_location = match self.get_mouse_location() {
Some(l) => l,
None => {
log::warn!("could not get mouse location!");
return;
}
};
mouse_location.x = (mouse_location.x + relative_x).clamp(min_x, max_x - 1.);
mouse_location.y = (mouse_location.y + relative_y).clamp(min_y, max_y - 1.);
let mut event_type = CGEventType::MouseMoved;
if self.button_state.left {
event_type = CGEventType::LeftMouseDragged
} else if self.button_state.right {
event_type = CGEventType::RightMouseDragged
} else if self.button_state.center {
event_type = CGEventType::OtherMouseDragged
};
let event = match CGEvent::new_mouse_event(
self.event_source.clone(),
event_type,
mouse_location,
CGMouseButton::Left,
) {
Ok(e) => e,
Err(_) => {
log::warn!("mouse event creation failed!");
return;
}
};
event.set_integer_value_field(
EventField::MOUSE_EVENT_DELTA_X,
relative_x as i64,
);
event.set_integer_value_field(
EventField::MOUSE_EVENT_DELTA_Y,
relative_y as i64,
);
event.post(CGEventTapLocation::HID);
}
PointerEvent::Button {
time: _,
button,
state,
} => {
let (event_type, mouse_button) = match (button, state) {
(b, 1) if b == crate::event::BTN_LEFT => {
(CGEventType::LeftMouseDown, CGMouseButton::Left)
}
(b, 0) if b == crate::event::BTN_LEFT => {
(CGEventType::LeftMouseUp, CGMouseButton::Left)
}
(b, 1) if b == crate::event::BTN_RIGHT => {
(CGEventType::RightMouseDown, CGMouseButton::Right)
}
(b, 0) if b == crate::event::BTN_RIGHT => {
(CGEventType::RightMouseUp, CGMouseButton::Right)
}
(b, 1) if b == crate::event::BTN_MIDDLE => {
(CGEventType::OtherMouseDown, CGMouseButton::Center)
}
(b, 0) if b == crate::event::BTN_MIDDLE => {
(CGEventType::OtherMouseUp, CGMouseButton::Center)
}
_ => {
log::warn!("invalid button event: {button},{state}");
return;
}
};
// store button state
self.button_state[mouse_button] = state == 1;
let location = self.get_mouse_location().unwrap();
let event = match CGEvent::new_mouse_event(
self.event_source.clone(),
event_type,
location,
mouse_button,
) {
Ok(e) => e,
Err(()) => {
log::warn!("mouse event creation failed!");
return;
}
};
event.post(CGEventTapLocation::HID);
}
PointerEvent::Axis {
time: _,
axis,
value,
} => {
let value = value as i32 / 10; // FIXME: high precision scroll events
let (count, wheel1, wheel2, wheel3) = match axis {
0 => (1, value, 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
1 => (2, 0, value, 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
_ => {
log::warn!("invalid scroll event: {axis}, {value}");
return;
}
};
let event = match CGEvent::new_scroll_event(
self.event_source.clone(),
ScrollEventUnit::LINE,
count,
wheel1,
wheel2,
wheel3,
) {
Ok(e) => e,
Err(()) => {
log::warn!("scroll event creation failed!");
return;
}
};
event.post(CGEventTapLocation::HID);
}
PointerEvent::Frame { .. } => {}
},
Event::Keyboard(keyboard_event) => match keyboard_event {
KeyboardEvent::Key {
time: _,
key,
state,
} => {
let code = match KeyMap::from_key_mapping(KeyMapping::Evdev(key as u16)) {
Ok(k) => k.mac as CGKeyCode,
Err(_) => {
log::warn!("unable to map key event");
return;
}
};
match state {
// pressed
1 => self.spawn_repeat_task(code).await,
_ => self.kill_repeat_task(),
}
key_event(self.event_source.clone(), code, state)
}
KeyboardEvent::Modifiers { .. } => {}
},
_ => (),
}
}
async fn notify(&mut self, _client_event: ClientEvent) {}
async fn destroy(&mut self) {}
}

View File

@@ -1,257 +0,0 @@
use crate::client::{ClientEvent, ClientHandle};
use crate::emulate::InputEmulation;
use async_trait::async_trait;
use std::collections::HashMap;
use std::io;
use std::os::fd::{AsFd, OwnedFd};
use wayland_client::backend::WaylandError;
use wayland_client::WEnum;
use anyhow::{anyhow, Result};
use wayland_client::protocol::wl_keyboard::{self, WlKeyboard};
use wayland_client::protocol::wl_pointer::{Axis, ButtonState};
use wayland_client::protocol::wl_seat::WlSeat;
use wayland_protocols_wlr::virtual_pointer::v1::client::{
zwlr_virtual_pointer_manager_v1::ZwlrVirtualPointerManagerV1 as VpManager,
zwlr_virtual_pointer_v1::ZwlrVirtualPointerV1 as Vp,
};
use wayland_protocols_misc::zwp_virtual_keyboard_v1::client::{
zwp_virtual_keyboard_manager_v1::ZwpVirtualKeyboardManagerV1 as VkManager,
zwp_virtual_keyboard_v1::ZwpVirtualKeyboardV1 as Vk,
};
use wayland_client::{
delegate_noop,
globals::{registry_queue_init, GlobalListContents},
protocol::{wl_registry, wl_seat},
Connection, Dispatch, EventQueue, QueueHandle,
};
use crate::event::{Event, KeyboardEvent, PointerEvent};
struct State {
keymap: Option<(u32, OwnedFd, u32)>,
input_for_client: HashMap<ClientHandle, VirtualInput>,
seat: wl_seat::WlSeat,
qh: QueueHandle<Self>,
vpm: VpManager,
vkm: VkManager,
}
// App State, implements Dispatch event handlers
pub(crate) struct WlrootsEmulation {
last_flush_failed: bool,
state: State,
queue: EventQueue<State>,
}
impl WlrootsEmulation {
pub fn new() -> Result<Self> {
let conn = Connection::connect_to_env()?;
let (globals, queue) = registry_queue_init::<State>(&conn)?;
let qh = queue.handle();
let seat: wl_seat::WlSeat = match globals.bind(&qh, 7..=8, ()) {
Ok(wl_seat) => wl_seat,
Err(_) => return Err(anyhow!("wl_seat >= v7 not supported")),
};
let vpm: VpManager = globals.bind(&qh, 1..=1, ())?;
let vkm: VkManager = globals.bind(&qh, 1..=1, ())?;
let input_for_client: HashMap<ClientHandle, VirtualInput> = HashMap::new();
let mut emulate = WlrootsEmulation {
last_flush_failed: false,
state: State {
keymap: None,
input_for_client,
seat,
vpm,
vkm,
qh,
},
queue,
};
while emulate.state.keymap.is_none() {
emulate.queue.blocking_dispatch(&mut emulate.state).unwrap();
}
// let fd = unsafe { &File::from_raw_fd(emulate.state.keymap.unwrap().1.as_raw_fd()) };
// let mmap = unsafe { MmapOptions::new().map_copy(fd).unwrap() };
// log::debug!("{:?}", &mmap[..100]);
Ok(emulate)
}
}
impl State {
fn add_client(&mut self, client: ClientHandle) {
let pointer: Vp = self.vpm.create_virtual_pointer(None, &self.qh, ());
let keyboard: Vk = self.vkm.create_virtual_keyboard(&self.seat, &self.qh, ());
// TODO: use server side keymap
if let Some((format, fd, size)) = self.keymap.as_ref() {
keyboard.keymap(*format, fd.as_fd(), *size);
} else {
panic!("no keymap");
}
let vinput = VirtualInput { pointer, keyboard };
self.input_for_client.insert(client, vinput);
}
}
#[async_trait]
impl InputEmulation for WlrootsEmulation {
async fn consume(&mut self, event: Event, client_handle: ClientHandle) {
if let Some(virtual_input) = self.state.input_for_client.get(&client_handle) {
if self.last_flush_failed {
if let Err(WaylandError::Io(e)) = self.queue.flush() {
if e.kind() == io::ErrorKind::WouldBlock {
/*
* outgoing buffer is full - sending more events
* will overwhelm the output buffer and leave the
* wayland connection in a broken state
*/
log::warn!(
"can't keep up, discarding event: ({client_handle}) - {event:?}"
);
return;
}
}
}
virtual_input.consume_event(event).unwrap();
match self.queue.flush() {
Err(WaylandError::Io(e)) if e.kind() == io::ErrorKind::WouldBlock => {
self.last_flush_failed = true;
log::warn!("can't keep up, retrying ...");
}
Err(WaylandError::Io(e)) => {
log::error!("{e}")
}
Err(WaylandError::Protocol(e)) => {
panic!("wayland protocol violation: {e}")
}
Ok(()) => {
self.last_flush_failed = false;
}
}
}
}
async fn notify(&mut self, client_event: ClientEvent) {
if let ClientEvent::Create(client, _) = client_event {
self.state.add_client(client);
if let Err(e) = self.queue.flush() {
log::error!("{}", e);
}
}
}
async fn destroy(&mut self) {}
}
struct VirtualInput {
pointer: Vp,
keyboard: Vk,
}
impl VirtualInput {
fn consume_event(&self, event: Event) -> Result<(), ()> {
match event {
Event::Pointer(e) => {
match e {
PointerEvent::Motion {
time,
relative_x,
relative_y,
} => self.pointer.motion(time, relative_x, relative_y),
PointerEvent::Button {
time,
button,
state,
} => {
let state: ButtonState = state.try_into()?;
self.pointer.button(time, button, state);
}
PointerEvent::Axis { time, axis, value } => {
let axis: Axis = (axis as u32).try_into()?;
self.pointer.axis(time, axis, value);
self.pointer.frame();
}
PointerEvent::Frame {} => self.pointer.frame(),
}
self.pointer.frame();
}
Event::Keyboard(e) => match e {
KeyboardEvent::Key { time, key, state } => {
self.keyboard.key(time, key, state as u32);
}
KeyboardEvent::Modifiers {
mods_depressed,
mods_latched,
mods_locked,
group,
} => {
self.keyboard
.modifiers(mods_depressed, mods_latched, mods_locked, group);
}
},
_ => {}
}
Ok(())
}
}
delegate_noop!(State: Vp);
delegate_noop!(State: Vk);
delegate_noop!(State: VpManager);
delegate_noop!(State: VkManager);
impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for State {
fn event(
_: &mut State,
_: &wl_registry::WlRegistry,
_: wl_registry::Event,
_: &GlobalListContents,
_: &Connection,
_: &QueueHandle<State>,
) {
}
}
impl Dispatch<WlKeyboard, ()> for State {
fn event(
state: &mut Self,
_: &WlKeyboard,
event: <WlKeyboard as wayland_client::Proxy>::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
if let wl_keyboard::Event::Keymap { format, fd, size } = event {
state.keymap = Some((u32::from(format), fd, size));
}
}
}
impl Dispatch<WlSeat, ()> for State {
fn event(
_: &mut Self,
seat: &WlSeat,
event: <WlSeat as wayland_client::Proxy>::Event,
_: &(),
_: &Connection,
qhandle: &QueueHandle<Self>,
) {
if let wl_seat::Event::Capabilities {
capabilities: WEnum::Value(capabilities),
} = event
{
if capabilities.contains(wl_seat::Capability::Keyboard) {
seat.get_keyboard(qhandle, ());
}
}
}
}

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