use shadow-rs instead of executing git describe

this removes git from the build dependencies

.github/workflows/pre-release.yml

@@ -84,56 +84,36 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: brew install gtk4 libadwaita imagemagick
+      run: brew install gtk4 libadwaita
     - 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: target/release/bundle/osx/lan-mouse-macos-intel.zip
+        path: lan-mouse-macos-intel
 
   macos-aarch64-release-build:
     runs-on: macos-14
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: brew install gtk4 libadwaita imagemagick
+      run: brew install gtk4 libadwaita
     - 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: target/release/bundle/osx/lan-mouse-macos-aarch64.zip
+        path: lan-mouse-macos-aarch64
 
   pre-release:
     name: "Pre Release"
-    needs: [windows-release-build, linux-release-build, macos-release-build, macos-aarch64-release-build]
+    needs: [windows-release-build, linux-release-build, macos-release-build]
     runs-on: "ubuntu-latest"
     steps:
     - name: Download build artifacts
@@ -147,6 +127,6 @@ jobs:
         title: "Development Build"
         files: |
           lan-mouse-linux/lan-mouse
-          lan-mouse-macos-intel/lan-mouse-macos-intel.zip
+          lan-mouse-macos-intel/lan-mouse-macos-intel
-          lan-mouse-macos-aarch64/lan-mouse-macos-aarch64.zip
+          lan-mouse-macos-aarch64/lan-mouse-macos-aarch64
           lan-mouse-windows/lan-mouse-windows.zip

.github/workflows/rust.yml

@@ -98,7 +98,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: brew install gtk4 libadwaita imagemagick
+      run: brew install gtk4 libadwaita
     - name: Build
       run: cargo build --verbose
     - name: Run tests
@@ -107,28 +107,18 @@ 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 (Intel).zip" "Lan Mouse.app"
     - name: Upload build artifact
       uses: actions/upload-artifact@v4
       with:
-        name: Lan Mouse macOS (Intel)
+        name: lan-mouse-macos
-        path: target/debug/bundle/osx/Lan Mouse macOS (Intel).zip
+        path: target/debug/lan-mouse
 
   build-macos-aarch64:
     runs-on: macos-14
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: brew install gtk4 libadwaita imagemagick
+      run: brew install gtk4 libadwaita
     - name: Build
       run: cargo build --verbose
     - name: Run tests
@@ -137,18 +127,8 @@ 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 (ARM)
+        name: lan-mouse-macos-aarch64
-        path: target/debug/bundle/osx/Lan Mouse macOS (ARM).zip
+        path: target/debug/lan-mouse

.github/workflows/tagged-release.yml

@@ -80,56 +80,36 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: brew install gtk4 libadwaita imagemagick
+      run: brew install gtk4 libadwaita
     - 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.zip
+        name: lan-mouse-macos-intel
-        path: target/release/bundle/osx/lan-mouse-macos-intel.zip
+        path: lan-mouse-macos-intel
 
   macos-aarch64-release-build:
     runs-on: macos-14
     steps:
     - uses: actions/checkout@v4
     - name: install dependencies
-      run: brew install gtk4 libadwaita imagemagick
+      run: brew install gtk4 libadwaita
     - 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.zip
+        name: lan-mouse-macos-aarch64
-        path: target/release/bundle/osx/lan-mouse-macos-aarch64.zip
+        path: lan-mouse-macos-aarch64
 
   tagged-release:
     name: "Tagged Release"
-    needs: [windows-release-build, linux-release-build, macos-release-build, macos-aarch64-release-build]
+    needs: [windows-release-build, linux-release-build, macos-release-build]
     runs-on: "ubuntu-latest"
     steps:
     - name: Download build artifacts
@@ -141,6 +121,6 @@ jobs:
         prerelease: false
         files: |
           lan-mouse-linux/lan-mouse
-          lan-mouse-macos-intel/lan-mouse-macos-intel.zip
+          lan-mouse-macos-intel/lan-mouse-macos-intel
-          lan-mouse-macos-aarch64/lan-mouse-macos-aarch64.zip
+          lan-mouse-macos-aarch64/lan-mouse-macos-aarch64
           lan-mouse-windows/lan-mouse-windows.zip

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 4
+version = 3
 
 [[package]]
 name = "addr2line"
@@ -2005,10 +2005,8 @@ dependencies = [
 name = "lan-mouse-cli"
 version = "0.2.0"
 dependencies = [
- "clap",
  "futures",
  "lan-mouse-ipc",
- "thiserror 2.0.0",
  "tokio",
 ]
 
@@ -2023,7 +2021,6 @@ dependencies = [
  "lan-mouse-ipc",
  "libadwaita",
  "log",
- "thiserror 2.0.0",
 ]
 
 [[package]]

Cargo.toml

@@ -89,8 +89,3 @@ 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"

README.md

@@ -144,11 +144,10 @@ 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 support for sway is needed, the following command produces
+E.g. if only wayland support is needed, the following command produces
-an executable with support for only the `layer-shell` capture backend
+an executable with just support for wayland:
-and `wlroots` emulation backend:
 ```sh
-cargo build --no-default-features --features layer_shell_capture,wlroots_emulation
+cargo build --no-default-features --features wayland
 ```
 For a detailed list of available features, checkout the [Cargo.toml](./Cargo.toml)
 </details>
@@ -268,17 +267,19 @@ If the device still can not be entered, make sure you have UDP port `4242` (or t
 <details>
     <summary>Command Line Interface</summary>
 
-The cli interface can be accessed by passing `cli` as a commandline argument.
+The cli interface can be enabled using `--frontend cli` as commandline arguments.
-Use
+Type `help` to list the available commands.
-```sh
-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.
 
+E.g.:
+```sh
+$ cargo run --release -- --frontend cli
+(...)
+> connect <host> left|right|top|bottom
+(...)
+> list
+(...)
+> activate 0
+```
 </details>
 
 <details>
@@ -286,10 +287,10 @@ for information on how to use a specific command.
 
 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:
+To do so, add `--daemon` to the commandline args:
 
 ```sh
-lan-mouse daemon
+lan-mouse --daemon
 ```
 
 In order to start lan-mouse with a graphical session automatically,
@@ -324,6 +325,9 @@ 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
@@ -331,9 +335,7 @@ port = 4242
 "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"
-[[clients]]
+[right]
-# position (left | right | top | bottom)
-position = "right"
 # hostname
 hostname = "iridium"
 # activate this client immediately when lan-mouse is started
@@ -342,8 +344,7 @@ activate_on_startup = true
 ips = ["192.168.178.156"]
 
 # define a client on the left side with IP address 192.168.178.189
-[[clients]]
+[left]
-position = "left"
 # The hostname is optional: When no hostname is specified,
 # at least one ip address needs to be specified.
 hostname = "thorium"

config.toml

@@ -1,10 +1,14 @@
 # example configuration
 
-# configure release bind
+# capture_backend = "LayerShell"
-release_bind = [ "KeyA", "KeyS", "KeyD", "KeyF" ]
+
+# 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
@@ -12,19 +16,14 @@ port = 4242
 "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"
-[[clients]]
+[right]
-# 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
-[[clients]]
+[left]
-position = "left"
 # The hostname is optional: When no hostname is specified,
 # at least one ip address needs to be specified.
 hostname = "thorium"

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740560979,
+        "lastModified": 1728018373,
-        "narHash": "sha256-Vr3Qi346M+8CjedtbyUevIGDZW8LcA1fTG0ugPY/Hic=",
+        "narHash": "sha256-NOiTvBbRLIOe5F6RbHaAh6++BNjsb149fGZd1T4+KBg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "5135c59491985879812717f4c9fea69604e7f26f",
+        "rev": "bc947f541ae55e999ffdb4013441347d83b00feb",
         "type": "github"
       },
       "original": {
@@ -29,11 +29,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1740623427,
+        "lastModified": 1728181869,
-        "narHash": "sha256-3SdPQrZoa4odlScFDUHd4CUPQ/R1gtH4Mq9u8CBiK8M=",
+        "narHash": "sha256-sQXHXsjIcGEoIHkB+RO6BZdrPfB+43V1TEpyoWRI3ww=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "d342e8b5fd88421ff982f383c853f0fc78a847ab",
+        "rev": "cd46aa3906c14790ef5cbe278d9e54f2c38f95c0",
         "type": "github"
       },
       "original": {

input-capture/src/layer_shell.rs

@@ -1,9 +1,8 @@
 use async_trait::async_trait;
 use futures_core::Stream;
 use std::{
-    collections::{HashSet, VecDeque},
+    collections::VecDeque,
     env,
-    fmt::{self, Display},
     io::{self, ErrorKind},
     os::fd::{AsFd, RawFd},
     pin::Pin,
@@ -47,15 +46,13 @@ use wayland_protocols_wlr::layer_shell::v1::client::{
 use wayland_client::{
     backend::{ReadEventsGuard, WaylandError},
     delegate_noop,
-    globals::{registry_queue_init, Global, GlobalList, GlobalListContents},
+    globals::{registry_queue_init, GlobalListContents},
     protocol::{
         wl_buffer, wl_compositor,
         wl_keyboard::{self, WlKeyboard},
         wl_output::{self, WlOutput},
         wl_pointer::{self, WlPointer},
-        wl_region,
+        wl_region, wl_registry, wl_seat, wl_shm, wl_shm_pool,
-        wl_registry::{self, WlRegistry},
-        wl_seat, wl_shm, wl_shm_pool,
         wl_surface::WlSurface,
     },
     Connection, Dispatch, DispatchError, EventQueue, QueueHandle, WEnum,
@@ -78,42 +75,28 @@ struct Globals {
     seat: wl_seat::WlSeat,
     shm: wl_shm::WlShm,
     layer_shell: ZwlrLayerShellV1,
+    outputs: Vec<WlOutput>,
     xdg_output_manager: ZxdgOutputManagerV1,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Debug, Clone)]
-struct Output {
-    wl_output: WlOutput,
-    global: Global,
-    info: Option<OutputInfo>,
-    pending_info: OutputInfo,
-    has_xdg_info: bool,
-}
-
-impl Display for Output {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        if let Some(info) = &self.info {
-            write!(
-                f,
-                "{} {}x{} @pos {:?} ({})",
-                info.name, info.size.0, info.size.1, info.position, info.description
-            )
-        } else {
-            write!(f, "unknown output")
-        }
-    }
-}
-
-#[derive(Clone, Debug, Default)]
 struct OutputInfo {
-    description: String,
     name: String,
     position: (i32, i32),
     size: (i32, i32),
 }
 
+impl OutputInfo {
+    fn new() -> Self {
+        Self {
+            name: "".to_string(),
+            position: (0, 0),
+            size: (0, 0),
+        }
+    }
+}
+
 struct State {
-    active_positions: HashSet<Position>,
     pointer: Option<WlPointer>,
     keyboard: Option<WlKeyboard>,
     pointer_lock: Option<ZwpLockedPointerV1>,
@@ -121,13 +104,12 @@ struct State {
     shortcut_inhibitor: Option<ZwpKeyboardShortcutsInhibitorV1>,
     active_windows: Vec<Arc<Window>>,
     focused: Option<Arc<Window>>,
-    global_list: GlobalList,
+    g: Globals,
-    globals: Globals,
     wayland_fd: RawFd,
     read_guard: Option<ReadEventsGuard>,
     qh: QueueHandle<Self>,
     pending_events: VecDeque<(Position, CaptureEvent)>,
-    outputs: Vec<Output>,
+    output_info: Vec<(WlOutput, OutputInfo)>,
     scroll_discrete_pending: bool,
 }
 
@@ -160,7 +142,7 @@ impl Window {
         size: (i32, i32),
     ) -> Window {
         log::debug!("creating window output: {output:?}, size: {size:?}");
-        let g = &state.globals;
+        let g = &state.g;
 
         let (width, height) = match pos {
             Position::Left | Position::Right => (1, size.1 as u32),
@@ -221,36 +203,41 @@ impl Drop for Window {
     }
 }
 
-fn get_edges(outputs: &[Output], pos: Position) -> Vec<(Output, i32)> {
+fn get_edges(outputs: &[(WlOutput, OutputInfo)], pos: Position) -> Vec<(WlOutput, i32)> {
     outputs
         .iter()
-        .filter_map(|output| {
+        .map(|(o, i)| {
-            output.info.as_ref().map(|info| {
+            (
-                (
+                o.clone(),
-                    output.clone(),
+                match pos {
-                    match pos {
+                    Position::Left => i.position.0,
-                        Position::Left => info.position.0,
+                    Position::Right => i.position.0 + i.size.0,
-                        Position::Right => info.position.0 + info.size.0,
+                    Position::Top => i.position.1,
-                        Position::Top => info.position.1,
+                    Position::Bottom => i.position.1 + i.size.1,
-                        Position::Bottom => info.position.1 + info.size.1,
+                },
-                    },
+            )
-                )
-            })
         })
         .collect()
 }
 
-fn get_output_configuration(state: &State, pos: Position) -> Vec<Output> {
+fn get_output_configuration(state: &State, pos: Position) -> Vec<(WlOutput, OutputInfo)> {
     // get all output edges corresponding to the position
-    let edges = get_edges(&state.outputs, pos);
+    let edges = get_edges(&state.output_info, pos);
-    let opposite_edges = get_edges(&state.outputs, pos.opposite());
+    log::debug!("edges: {edges:?}");
+    let opposite_edges = get_edges(&state.output_info, pos.opposite());
 
     // remove those edges that are at the same position
     // as an opposite edge of a different output
-    edges
+    let outputs: Vec<WlOutput> = edges
         .iter()
         .filter(|(_, edge)| !opposite_edges.iter().map(|(_, e)| *e).any(|e| &e == edge))
         .map(|(o, _)| o.clone())
+        .collect();
+    state
+        .output_info
+        .iter()
+        .filter(|(o, _)| outputs.contains(o))
+        .map(|(o, i)| (o.clone(), i.clone()))
         .collect()
 }
 
@@ -272,36 +259,36 @@ fn draw(f: &mut File, (width, height): (u32, u32)) {
 impl LayerShellInputCapture {
     pub fn new() -> std::result::Result<Self, LayerShellCaptureCreationError> {
         let conn = Connection::connect_to_env()?;
-        let (global_list, mut queue) = registry_queue_init::<State>(&conn)?;
+        let (g, mut queue) = registry_queue_init::<State>(&conn)?;
 
         let qh = queue.handle();
 
-        let compositor: wl_compositor::WlCompositor = global_list
+        let compositor: wl_compositor::WlCompositor = g
             .bind(&qh, 4..=5, ())
             .map_err(|e| WaylandBindError::new(e, "wl_compositor 4..=5"))?;
-        let xdg_output_manager: ZxdgOutputManagerV1 = global_list
+        let xdg_output_manager: ZxdgOutputManagerV1 = g
             .bind(&qh, 1..=3, ())
             .map_err(|e| WaylandBindError::new(e, "xdg_output_manager 1..=3"))?;
-        let shm: wl_shm::WlShm = global_list
+        let shm: wl_shm::WlShm = g
             .bind(&qh, 1..=1, ())
             .map_err(|e| WaylandBindError::new(e, "wl_shm"))?;
-        let layer_shell: ZwlrLayerShellV1 = global_list
+        let layer_shell: ZwlrLayerShellV1 = g
             .bind(&qh, 3..=4, ())
             .map_err(|e| WaylandBindError::new(e, "wlr_layer_shell 3..=4"))?;
-        let seat: wl_seat::WlSeat = global_list
+        let seat: wl_seat::WlSeat = g
             .bind(&qh, 7..=8, ())
             .map_err(|e| WaylandBindError::new(e, "wl_seat 7..=8"))?;
 
-        let pointer_constraints: ZwpPointerConstraintsV1 = global_list
+        let pointer_constraints: ZwpPointerConstraintsV1 = g
             .bind(&qh, 1..=1, ())
             .map_err(|e| WaylandBindError::new(e, "zwp_pointer_constraints_v1"))?;
-        let relative_pointer_manager: ZwpRelativePointerManagerV1 = global_list
+        let relative_pointer_manager: ZwpRelativePointerManagerV1 = g
             .bind(&qh, 1..=1, ())
             .map_err(|e| WaylandBindError::new(e, "zwp_relative_pointer_manager_v1"))?;
         let shortcut_inhibit_manager: Result<
             ZwpKeyboardShortcutsInhibitManagerV1,
             WaylandBindError,
-        > = global_list
+        > = g
             .bind(&qh, 1..=1, ())
             .map_err(|e| WaylandBindError::new(e, "zwp_keyboard_shortcuts_inhibit_manager_v1"));
         // layer-shell backend still works without this protocol so we make it an optional dependency
@@ -310,41 +297,65 @@ impl LayerShellInputCapture {
                 to the client");
         }
         let shortcut_inhibit_manager = shortcut_inhibit_manager.ok();
+        let outputs = vec![];
+
+        let g = Globals {
+            compositor,
+            shm,
+            layer_shell,
+            seat,
+            pointer_constraints,
+            relative_pointer_manager,
+            shortcut_inhibit_manager,
+            outputs,
+            xdg_output_manager,
+        };
+
+        // flush outgoing events
+        queue.flush()?;
+
+        let wayland_fd = queue.as_fd().as_raw_fd();
 
         let mut state = State {
-            active_positions: Default::default(),
             pointer: None,
             keyboard: None,
-            global_list,
+            g,
-            globals: Globals {
-                compositor,
-                shm,
-                layer_shell,
-                seat,
-                pointer_constraints,
-                relative_pointer_manager,
-                shortcut_inhibit_manager,
-                xdg_output_manager,
-            },
             pointer_lock: None,
             rel_pointer: None,
             shortcut_inhibitor: None,
             active_windows: Vec::new(),
             focused: None,
             qh,
-            wayland_fd: queue.as_fd().as_raw_fd(),
+            wayland_fd,
             read_guard: None,
             pending_events: VecDeque::new(),
-            outputs: vec![],
+            output_info: vec![],
             scroll_discrete_pending: false,
         };
 
-        for global in state.global_list.contents().clone_list() {
+        // dispatch registry to () again, in order to read all wl_outputs
-            state.register_global(global);
+        conn.display().get_registry(&state.qh, ());
+        log::debug!("==============> requested registry");
+
+        // roundtrip to read wl_output globals
+        queue.roundtrip(&mut state)?;
+        log::debug!("==============> roundtrip 1 done");
+
+        // read outputs
+        for output in state.g.outputs.iter() {
+            state
+                .g
+                .xdg_output_manager
+                .get_xdg_output(output, &state.qh, output.clone());
         }
 
-        // flush outgoing events
+        // roundtrip to read xdg_output events
-        queue.flush()?;
+        queue.roundtrip(&mut state)?;
+
+        log::debug!("==============> roundtrip 2 done");
+        for i in &state.output_info {
+            log::debug!("{:#?}", i.1);
+        }
 
         let read_guard = loop {
             match queue.prepare_read() {
@@ -368,7 +379,6 @@ impl LayerShellInputCapture {
 
     fn delete_client(&mut self, pos: Position) {
         let inner = self.0.get_mut();
-        inner.state.active_positions.remove(&pos);
         // remove all windows corresponding to this client
         while let Some(i) = inner.state.active_windows.iter().position(|w| w.pos == pos) {
             inner.state.active_windows.remove(i);
@@ -378,52 +388,6 @@ impl LayerShellInputCapture {
 }
 
 impl State {
-    fn update_output_info(&mut self, name: u32) {
-        let output = self
-            .outputs
-            .iter_mut()
-            .find(|o| o.global.name == name)
-            .expect("output not found");
-        if output.has_xdg_info {
-            output.info.replace(output.pending_info.clone());
-            self.update_windows();
-        }
-    }
-
-    fn register_global(&mut self, global: Global) {
-        if global.interface.as_str() == "wl_output" {
-            log::debug!("new output global: wl_output {}", global.name);
-            let wl_output = self.global_list.registry().bind::<WlOutput, _, _>(
-                global.name,
-                4,
-                &self.qh,
-                global.name,
-            );
-            self.globals
-                .xdg_output_manager
-                .get_xdg_output(&wl_output, &self.qh, global.name);
-            self.outputs.push(Output {
-                wl_output,
-                global,
-                info: None,
-                has_xdg_info: false,
-                pending_info: Default::default(),
-            })
-        }
-    }
-
-    fn deregister_global(&mut self, name: u32) {
-        self.outputs.retain(|o| {
-            if o.global.name == name {
-                log::debug!("{o} (global {:?}) removed", o.global);
-                o.wl_output.release();
-                false
-            } else {
-                true
-            }
-        });
-    }
-
     fn grab(
         &mut self,
         surface: &WlSurface,
@@ -444,7 +408,7 @@ impl State {
 
         // lock pointer
         if self.pointer_lock.is_none() {
-            self.pointer_lock = Some(self.globals.pointer_constraints.lock_pointer(
+            self.pointer_lock = Some(self.g.pointer_constraints.lock_pointer(
                 surface,
                 pointer,
                 None,
@@ -456,7 +420,7 @@ impl State {
 
         // request relative input
         if self.rel_pointer.is_none() {
-            self.rel_pointer = Some(self.globals.relative_pointer_manager.get_relative_pointer(
+            self.rel_pointer = Some(self.g.relative_pointer_manager.get_relative_pointer(
                 pointer,
                 qh,
                 (),
@@ -464,14 +428,10 @@ impl State {
         }
 
         // capture modifier keys
-        if let Some(shortcut_inhibit_manager) = &self.globals.shortcut_inhibit_manager {
+        if let Some(shortcut_inhibit_manager) = &self.g.shortcut_inhibit_manager {
             if self.shortcut_inhibitor.is_none() {
-                self.shortcut_inhibitor = Some(shortcut_inhibit_manager.inhibit_shortcuts(
+                self.shortcut_inhibitor =
-                    surface,
+                    Some(shortcut_inhibit_manager.inhibit_shortcuts(surface, &self.g.seat, qh, ()));
-                    &self.globals.seat,
-                    qh,
-                    (),
-                ));
             }
         }
     }
@@ -509,39 +469,21 @@ impl State {
     }
 
     fn add_client(&mut self, pos: Position) {
-        self.active_positions.insert(pos);
         let outputs = get_output_configuration(self, pos);
 
-        log::info!(
+        log::debug!("outputs: {outputs:?}");
-            "adding capture for position {pos} - using outputs: {:?}",
+        outputs.iter().for_each(|(o, i)| {
-            outputs
+            let window = Window::new(self, &self.qh, o, pos, i.size);
-                .iter()
+            let window = Arc::new(window);
-                .map(|o| o
+            self.active_windows.push(window);
-                    .info
-                    .as_ref()
-                    .map(|i| i.name.to_owned())
-                    .unwrap_or("unknown output".to_owned()))
-                .collect::<Vec<_>>()
-        );
-        outputs.iter().for_each(|o| {
-            if let Some(info) = o.info.as_ref() {
-                let window = Window::new(self, &self.qh, &o.wl_output, pos, info.size);
-                let window = Arc::new(window);
-                self.active_windows.push(window);
-            }
         });
     }
 
     fn update_windows(&mut self) {
-        log::info!("active outputs: ");
+        log::debug!("updating windows");
-        for output in self.outputs.iter().filter(|o| o.info.is_some()) {
+        log::debug!("output info: {:?}", self.output_info);
-            log::info!(" * {}", output);
+        let clients: Vec<_> = self.active_windows.drain(..).map(|w| w.pos).collect();
-        }
+        for pos in clients {
-
-        self.active_windows.clear();
-
-        let active_positions = self.active_positions.iter().cloned().collect::<Vec<_>>();
-        for pos in active_positions {
             self.add_client(pos);
         }
     }
@@ -813,7 +755,7 @@ impl Dispatch<WlPointer, ()> for State {
                     })),
                 ));
             }
-            wl_pointer::Event::Frame => {
+            wl_pointer::Event::Frame {} => {
                 // TODO properly handle frame events
                 // we simply insert a frame event on the client side
                 // after each event for now
@@ -893,7 +835,7 @@ impl Dispatch<ZwpRelativePointerV1, ()> for State {
         } = event
         {
             if let Some(window) = &app.focused {
-                let time = ((((utime_hi as u64) << 32) | utime_lo as u64) / 1000) as u32;
+                let time = (((utime_hi as u64) << 32 | utime_lo as u64) / 1000) as u32;
                 app.pending_events.push_back((
                     window.pos,
                     CaptureEvent::Input(Event::Pointer(PointerEvent::Motion { time, dx, dy })),
@@ -930,89 +872,94 @@ impl Dispatch<ZwlrLayerSurfaceV1, ()> for State {
 }
 
 // delegate wl_registry events to App itself
-impl Dispatch<WlRegistry, GlobalListContents> for State {
+impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for State {
     fn event(
-        state: &mut Self,
+        _state: &mut Self,
-        _registry: &WlRegistry,
+        _proxy: &wl_registry::WlRegistry,
-        event: <WlRegistry as wayland_client::Proxy>::Event,
+        _event: <wl_registry::WlRegistry as wayland_client::Proxy>::Event,
         _data: &GlobalListContents,
         _conn: &Connection,
-        _qh: &QueueHandle<Self>,
+        _qhandle: &QueueHandle<Self>,
+    ) {
+    }
+}
+
+impl Dispatch<wl_registry::WlRegistry, ()> for State {
+    fn event(
+        state: &mut Self,
+        registry: &wl_registry::WlRegistry,
+        event: <wl_registry::WlRegistry as wayland_client::Proxy>::Event,
+        _: &(),
+        _: &Connection,
+        qh: &QueueHandle<Self>,
     ) {
         match event {
             wl_registry::Event::Global {
                 name,
                 interface,
-                version,
+                version: _,
             } => {
-                state.register_global(Global {
+                if interface.as_str() == "wl_output" {
-                    name,
+                    log::debug!("wl_output global");
-                    interface,
+                    state
-                    version,
+                        .g
-                });
+                        .outputs
-            }
+                        .push(registry.bind::<WlOutput, _, _>(name, 4, qh, ()))
-            wl_registry::Event::GlobalRemove { name } => {
+                }
-                state.deregister_global(name);
             }
+            wl_registry::Event::GlobalRemove { .. } => {}
             _ => {}
         }
     }
 }
 
-impl Dispatch<ZxdgOutputV1, u32> for State {
+impl Dispatch<ZxdgOutputV1, WlOutput> for State {
     fn event(
         state: &mut Self,
         _: &ZxdgOutputV1,
         event: <ZxdgOutputV1 as wayland_client::Proxy>::Event,
-        name: &u32,
+        wl_output: &WlOutput,
         _: &Connection,
         _: &QueueHandle<Self>,
     ) {
-        let output = state
+        log::debug!("xdg-output - {event:?}");
-            .outputs
+        let output_info = match state.output_info.iter_mut().find(|(o, _)| o == wl_output) {
-            .iter_mut()
+            Some((_, c)) => c,
-            .find(|o| o.global.name == *name)
+            None => {
-            .expect("output");
+                let output_info = OutputInfo::new();
+                state.output_info.push((wl_output.clone(), output_info));
+                &mut state.output_info.last_mut().unwrap().1
+            }
+        };
 
-        log::debug!("xdg_output {name} - {:?}", event);
         match event {
             zxdg_output_v1::Event::LogicalPosition { x, y } => {
-                output.pending_info.position = (x, y);
+                output_info.position = (x, y);
-                output.has_xdg_info = true;
             }
             zxdg_output_v1::Event::LogicalSize { width, height } => {
-                output.pending_info.size = (width, height);
+                output_info.size = (width, height);
-                output.has_xdg_info = true;
-            }
-            zxdg_output_v1::Event::Done => {
-                log::warn!("Use of deprecated xdg-output event \"done\"");
-                state.update_output_info(*name);
             }
+            zxdg_output_v1::Event::Done => {}
             zxdg_output_v1::Event::Name { name } => {
-                output.pending_info.name = name;
+                output_info.name = name;
-                output.has_xdg_info = true;
             }
-            zxdg_output_v1::Event::Description { description } => {
+            zxdg_output_v1::Event::Description { .. } => {}
-                output.pending_info.description = description;
+            _ => {}
-                output.has_xdg_info = true;
-            }
-            _ => todo!(),
         }
     }
 }
 
-impl Dispatch<WlOutput, u32> for State {
+impl Dispatch<WlOutput, ()> for State {
     fn event(
         state: &mut Self,
-        _wl_output: &WlOutput,
+        _proxy: &WlOutput,
         event: <WlOutput as wayland_client::Proxy>::Event,
-        name: &u32,
+        _data: &(),
         _conn: &Connection,
         _qhandle: &QueueHandle<Self>,
     ) {
-        log::debug!("wl_output {name} - {:?}", event);
         if let wl_output::Event::Done = event {
-            state.update_output_info(*name);
+            state.update_windows();
         }
     }
 }

input-capture/src/macos.rs

@@ -390,9 +390,9 @@ fn create_event_tap<'a>(
 
             if let Some(pos) = pos {
                 res_events.iter().for_each(|e| {
-                    // error must be ignored, since the event channel
+                    event_tx
-                    // may already be closed when the InputCapture instance is dropped.
+                        .blocking_send((pos, *e))
-                    let _ = 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

input-capture/src/windows/event_thread.rs

@@ -22,9 +22,9 @@ use windows::Win32::UI::WindowsAndMessaging::{
     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_MOUSEHWHEEL, WM_MOUSEMOVE, WM_MOUSEWHEEL,
+    WM_LBUTTONUP, WM_MBUTTONDOWN, WM_MBUTTONUP, WM_MOUSEMOVE, WM_MOUSEWHEEL, WM_RBUTTONDOWN,
-    WM_RBUTTONDOWN, WM_RBUTTONUP, WM_SYSKEYDOWN, WM_SYSKEYUP, WM_USER, WM_XBUTTONDOWN,
+    WM_RBUTTONUP, WM_SYSKEYDOWN, WM_SYSKEYUP, WM_USER, WM_XBUTTONDOWN, WM_XBUTTONUP, WNDCLASSW,
-    WM_XBUTTONUP, WNDCLASSW, WNDPROC,
+    WNDPROC,
 };
 
 use input_event::{
@@ -537,10 +537,6 @@ fn to_mouse_event(wparam: WPARAM, lparam: LPARAM) -> Option<PointerEvent> {
                 state: if p == WM_XBUTTONDOWN as usize { 1 } else { 0 },
             })
         }
-        WPARAM(p) if p == WM_MOUSEHWHEEL as usize => Some(PointerEvent::AxisDiscrete120 {
-            axis: 1, // Horizontal
-            value: mouse_low_level.mouseData as i32 >> 16,
-        }),
         w => {
             log::warn!("unknown mouse event: {w:?}");
             None

input-emulation/src/x11.rs

@@ -23,7 +23,7 @@ impl X11Emulation {
     pub(crate) fn new() -> Result<Self, X11EmulationCreationError> {
         let display = unsafe {
             match xlib::XOpenDisplay(ptr::null()) {
-                d if std::ptr::eq(d, ptr::null_mut::<xlib::Display>()) => {
+                d if d == ptr::null::<xlib::Display>() as *mut xlib::Display => {
                     Err(X11EmulationCreationError::OpenDisplay)
                 }
                 display => Ok(display),

input-emulation/src/xdg_desktop_portal.rs

@@ -143,6 +143,7 @@ impl Emulation for DesktopPortalEmulation<'_> {
 
 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,

lan-mouse-cli/Cargo.toml

@@ -9,8 +9,6 @@ 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",

lan-mouse-cli/src/command.rs

@@ -0,0 +1,153 @@
+use std::{
+    fmt::Display,
+    str::{FromStr, SplitWhitespace},
+};
+
+use lan_mouse_ipc::{ClientHandle, Position};
+
+pub(super) enum CommandType {
+    NoCommand,
+    Help,
+    Connect,
+    Disconnect,
+    Activate,
+    Deactivate,
+    List,
+    SetHost,
+    SetPort,
+}
+
+#[derive(Debug)]
+pub(super) struct InvalidCommand {
+    cmd: String,
+}
+
+impl Display for InvalidCommand {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "invalid command: \"{}\"", self.cmd)
+    }
+}
+
+impl FromStr for CommandType {
+    type Err = InvalidCommand;
+
+    fn from_str(s: &str) -> std::prelude::v1::Result<Self, Self::Err> {
+        match s {
+            "connect" => Ok(Self::Connect),
+            "disconnect" => Ok(Self::Disconnect),
+            "activate" => Ok(Self::Activate),
+            "deactivate" => Ok(Self::Deactivate),
+            "list" => Ok(Self::List),
+            "set-host" => Ok(Self::SetHost),
+            "set-port" => Ok(Self::SetPort),
+            "help" => Ok(Self::Help),
+            _ => Err(InvalidCommand { cmd: s.to_string() }),
+        }
+    }
+}
+
+#[derive(Debug)]
+pub(super) enum Command {
+    None,
+    Help,
+    Connect(Position, String, Option<u16>),
+    Disconnect(ClientHandle),
+    Activate(ClientHandle),
+    Deactivate(ClientHandle),
+    List,
+    SetHost(ClientHandle, String),
+    SetPort(ClientHandle, Option<u16>),
+}
+
+impl CommandType {
+    pub(super) fn usage(&self) -> &'static str {
+        match self {
+            CommandType::Help => "help",
+            CommandType::NoCommand => "",
+            CommandType::Connect => "connect left|right|top|bottom <host> [<port>]",
+            CommandType::Disconnect => "disconnect <id>",
+            CommandType::Activate => "activate <id>",
+            CommandType::Deactivate => "deactivate <id>",
+            CommandType::List => "list",
+            CommandType::SetHost => "set-host <id> <host>",
+            CommandType::SetPort => "set-port <id> <host>",
+        }
+    }
+}
+
+pub(super) enum CommandParseError {
+    Usage(CommandType),
+    Invalid(InvalidCommand),
+}
+
+impl Display for CommandParseError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::Usage(cmd) => write!(f, "usage: {}", cmd.usage()),
+            Self::Invalid(cmd) => write!(f, "{}", cmd),
+        }
+    }
+}
+
+impl FromStr for Command {
+    type Err = CommandParseError;
+
+    fn from_str(cmd: &str) -> Result<Self, Self::Err> {
+        let mut args = cmd.split_whitespace();
+        let cmd_type: CommandType = match args.next() {
+            Some(c) => c.parse().map_err(CommandParseError::Invalid),
+            None => Ok(CommandType::NoCommand),
+        }?;
+        match cmd_type {
+            CommandType::Help => Ok(Command::Help),
+            CommandType::NoCommand => Ok(Command::None),
+            CommandType::Connect => parse_connect_cmd(args),
+            CommandType::Disconnect => parse_disconnect_cmd(args),
+            CommandType::Activate => parse_activate_cmd(args),
+            CommandType::Deactivate => parse_deactivate_cmd(args),
+            CommandType::List => Ok(Command::List),
+            CommandType::SetHost => parse_set_host(args),
+            CommandType::SetPort => parse_set_port(args),
+        }
+    }
+}
+
+fn parse_connect_cmd(mut args: SplitWhitespace<'_>) -> Result<Command, CommandParseError> {
+    const USAGE: CommandParseError = CommandParseError::Usage(CommandType::Connect);
+    let pos = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    let host = args.next().ok_or(USAGE)?.to_string();
+    let port = args.next().and_then(|p| p.parse().ok());
+    Ok(Command::Connect(pos, host, port))
+}
+
+fn parse_disconnect_cmd(mut args: SplitWhitespace<'_>) -> Result<Command, CommandParseError> {
+    const USAGE: CommandParseError = CommandParseError::Usage(CommandType::Disconnect);
+    let id = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    Ok(Command::Disconnect(id))
+}
+
+fn parse_activate_cmd(mut args: SplitWhitespace<'_>) -> Result<Command, CommandParseError> {
+    const USAGE: CommandParseError = CommandParseError::Usage(CommandType::Activate);
+    let id = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    Ok(Command::Activate(id))
+}
+
+fn parse_deactivate_cmd(mut args: SplitWhitespace<'_>) -> Result<Command, CommandParseError> {
+    const USAGE: CommandParseError = CommandParseError::Usage(CommandType::Deactivate);
+    let id = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    Ok(Command::Deactivate(id))
+}
+
+fn parse_set_host(mut args: SplitWhitespace<'_>) -> Result<Command, CommandParseError> {
+    const USAGE: CommandParseError = CommandParseError::Usage(CommandType::SetHost);
+    let id = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    let host = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    Ok(Command::SetHost(id, host))
+}
+
+fn parse_set_port(mut args: SplitWhitespace<'_>) -> Result<Command, CommandParseError> {
+    const USAGE: CommandParseError = CommandParseError::Usage(CommandType::SetPort);
+    let id = args.next().ok_or(USAGE)?.parse().map_err(|_| USAGE)?;
+    let port = args.next().and_then(|p| p.parse().ok());
+    Ok(Command::SetPort(id, port))
+}

lan-mouse-cli/src/lib.rs

@@ -1,167 +1,320 @@
-use clap::{Args, Parser, Subcommand};
 use futures::StreamExt;
-
+use tokio::{
-use std::{net::IpAddr, time::Duration};
+    io::{AsyncBufReadExt, BufReader},
-use thiserror::Error;
+    task::LocalSet,
-
-use lan_mouse_ipc::{
-    connect_async, ClientHandle, ConnectionError, FrontendEvent, FrontendRequest, IpcError,
-    Position,
 };
 
-#[derive(Debug, Error)]
+use std::io::{self, Write};
-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)]
+use self::command::{Command, CommandType};
-#[command(name = "lan-mouse-cli", about = "LanMouse CLI interface")]
-pub struct CliArgs {
-    #[command(subcommand)]
-    command: CliSubcommand,
-}
 
-#[derive(Args, Clone, Debug, PartialEq, Eq)]
+use lan_mouse_ipc::{
-struct Client {
+    AsyncFrontendEventReader, AsyncFrontendRequestWriter, ClientConfig, ClientHandle, ClientState,
-    #[arg(long)]
+    FrontendEvent, FrontendRequest, IpcError, DEFAULT_PORT,
-    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)]
+mod command;
-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> {
+pub fn run() -> Result<(), IpcError> {
-    execute(args.command).await?;
+    let runtime = tokio::runtime::Builder::new_current_thread()
+        .enable_io()
+        .enable_time()
+        .build()?;
+    runtime.block_on(LocalSet::new().run_until(async move {
+        let (rx, tx) = lan_mouse_ipc::connect_async().await?;
+        let mut cli = Cli::new(rx, tx);
+        cli.run().await
+    }))?;
     Ok(())
 }
 
-async fn execute(cmd: CliSubcommand) -> Result<(), CliError> {
+struct Cli {
-    let (mut rx, mut tx) = connect_async(Some(Duration::from_millis(500))).await?;
+    clients: Vec<(ClientHandle, ClientConfig, ClientState)>,
-    match cmd {
+    changed: Option<ClientHandle>,
-        CliSubcommand::AddClient(Client {
+    rx: AsyncFrontendEventReader,
-            hostname,
+    tx: AsyncFrontendRequestWriter,
-            port,
+}
-            ips,
+
-            enter_hook,
+impl Cli {
-        }) => {
+    fn new(rx: AsyncFrontendEventReader, tx: AsyncFrontendRequestWriter) -> Cli {
-            tx.request(FrontendRequest::Create).await?;
+        Self {
-            while let Some(e) = rx.next().await {
+            clients: vec![],
-                if let FrontendEvent::Created(handle, _, _) = e? {
+            changed: None,
-                    if let Some(hostname) = hostname {
+            rx,
-                        tx.request(FrontendRequest::UpdateHostname(handle, Some(hostname)))
+            tx,
-                            .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?
         }
     }
+
+    async fn run(&mut self) -> Result<(), IpcError> {
+        let stdin = tokio::io::stdin();
+        let stdin = BufReader::new(stdin);
+        let mut stdin = stdin.lines();
+
+        /* initial state sync */
+        self.clients = loop {
+            match self.rx.next().await {
+                Some(Ok(e)) => {
+                    if let FrontendEvent::Enumerate(clients) = e {
+                        break clients;
+                    }
+                }
+                Some(Err(e)) => return Err(e),
+                None => return Ok(()),
+            }
+        };
+
+        loop {
+            prompt()?;
+            tokio::select! {
+                line = stdin.next_line() => {
+                    let Some(line) = line? else {
+                        break Ok(());
+                    };
+                    let cmd: Command = match line.parse() {
+                        Ok(cmd) => cmd,
+                        Err(e) => {
+                            eprintln!("{e}");
+                            continue;
+                        }
+                    };
+                    self.execute(cmd).await?;
+                }
+                event = self.rx.next() => {
+                    if let Some(event) = event {
+                        self.handle_event(event?);
+                    } else {
+                        break Ok(());
+                    }
+                }
+            }
+            if let Some(handle) = self.changed.take() {
+                self.update_client(handle).await?;
+            }
+        }
+    }
+
+    async fn update_client(&mut self, handle: ClientHandle) -> Result<(), IpcError> {
+        self.tx.request(FrontendRequest::GetState(handle)).await?;
+        while let Some(Ok(event)) = self.rx.next().await {
+            self.handle_event(event.clone());
+            if let FrontendEvent::State(_, _, _) | FrontendEvent::NoSuchClient(_) = event {
+                break;
+            }
+        }
+        Ok(())
+    }
+
+    async fn execute(&mut self, cmd: Command) -> Result<(), IpcError> {
+        match cmd {
+            Command::None => {}
+            Command::Connect(pos, host, port) => {
+                let request = FrontendRequest::Create;
+                self.tx.request(request).await?;
+                let handle = loop {
+                    if let Some(Ok(event)) = self.rx.next().await {
+                        match event {
+                            FrontendEvent::Created(h, c, s) => {
+                                self.clients.push((h, c, s));
+                                break h;
+                            }
+                            _ => {
+                                self.handle_event(event);
+                                continue;
+                            }
+                        }
+                    }
+                };
+                for request in [
+                    FrontendRequest::UpdateHostname(handle, Some(host.clone())),
+                    FrontendRequest::UpdatePort(handle, port.unwrap_or(DEFAULT_PORT)),
+                    FrontendRequest::UpdatePosition(handle, pos),
+                ] {
+                    self.tx.request(request).await?;
+                }
+                self.update_client(handle).await?;
+            }
+            Command::Disconnect(id) => {
+                self.tx.request(FrontendRequest::Delete(id)).await?;
+                loop {
+                    if let Some(Ok(event)) = self.rx.next().await {
+                        self.handle_event(event.clone());
+                        if let FrontendEvent::Deleted(_) = event {
+                            self.handle_event(event);
+                            break;
+                        }
+                    }
+                }
+            }
+            Command::Activate(id) => {
+                self.tx.request(FrontendRequest::Activate(id, true)).await?;
+                self.update_client(id).await?;
+            }
+            Command::Deactivate(id) => {
+                self.tx
+                    .request(FrontendRequest::Activate(id, false))
+                    .await?;
+                self.update_client(id).await?;
+            }
+            Command::List => {
+                self.tx.request(FrontendRequest::Enumerate()).await?;
+                while let Some(e) = self.rx.next().await {
+                    let event = e?;
+                    self.handle_event(event.clone());
+                    if let FrontendEvent::Enumerate(_) = event {
+                        break;
+                    }
+                }
+            }
+            Command::SetHost(handle, host) => {
+                let request = FrontendRequest::UpdateHostname(handle, Some(host.clone()));
+                self.tx.request(request).await?;
+                self.update_client(handle).await?;
+            }
+            Command::SetPort(handle, port) => {
+                let request = FrontendRequest::UpdatePort(handle, port.unwrap_or(DEFAULT_PORT));
+                self.tx.request(request).await?;
+                self.update_client(handle).await?;
+            }
+            Command::Help => {
+                for cmd_type in [
+                    CommandType::List,
+                    CommandType::Connect,
+                    CommandType::Disconnect,
+                    CommandType::Activate,
+                    CommandType::Deactivate,
+                    CommandType::SetHost,
+                    CommandType::SetPort,
+                ] {
+                    eprintln!("{}", cmd_type.usage());
+                }
+            }
+        }
+        Ok(())
+    }
+
+    fn find_mut(
+        &mut self,
+        handle: ClientHandle,
+    ) -> Option<&mut (ClientHandle, ClientConfig, ClientState)> {
+        self.clients.iter_mut().find(|(h, _, _)| *h == handle)
+    }
+
+    fn remove(
+        &mut self,
+        handle: ClientHandle,
+    ) -> Option<(ClientHandle, ClientConfig, ClientState)> {
+        let idx = self.clients.iter().position(|(h, _, _)| *h == handle);
+        idx.map(|i| self.clients.swap_remove(i))
+    }
+
+    fn handle_event(&mut self, event: FrontendEvent) {
+        match event {
+            FrontendEvent::Changed(h) => self.changed = Some(h),
+            FrontendEvent::Created(h, c, s) => {
+                eprint!("client added ({h}): ");
+                print_config(&c);
+                eprint!(" ");
+                print_state(&s);
+                eprintln!();
+                self.clients.push((h, c, s));
+            }
+            FrontendEvent::NoSuchClient(h) => {
+                eprintln!("no such client: {h}");
+            }
+            FrontendEvent::State(h, c, s) => {
+                if let Some((_, config, state)) = self.find_mut(h) {
+                    let old_host = config.hostname.clone().unwrap_or("\"\"".into());
+                    let new_host = c.hostname.clone().unwrap_or("\"\"".into());
+                    if old_host != new_host {
+                        eprintln!(
+                            "client {h}: hostname updated ({} -> {})",
+                            old_host, new_host
+                        );
+                    }
+                    if config.port != c.port {
+                        eprintln!("client {h} changed port: {} -> {}", config.port, c.port);
+                    }
+                    if config.fix_ips != c.fix_ips {
+                        eprintln!("client {h} ips updated: {:?}", c.fix_ips)
+                    }
+                    *config = c;
+                    if state.active ^ s.active {
+                        eprintln!(
+                            "client {h} {}",
+                            if s.active { "activated" } else { "deactivated" }
+                        );
+                    }
+                    *state = s;
+                }
+            }
+            FrontendEvent::Deleted(h) => {
+                if let Some((h, c, _)) = self.remove(h) {
+                    eprint!("client {h} removed (");
+                    print_config(&c);
+                    eprintln!(")");
+                }
+            }
+            FrontendEvent::PortChanged(p, e) => {
+                if let Some(e) = e {
+                    eprintln!("failed to change port: {e}");
+                } else {
+                    eprintln!("changed port to {p}");
+                }
+            }
+            FrontendEvent::Enumerate(clients) => {
+                self.clients = clients;
+                self.print_clients();
+            }
+            FrontendEvent::Error(e) => {
+                eprintln!("ERROR: {e}");
+            }
+            FrontendEvent::CaptureStatus(s) => {
+                eprintln!("capture status: {s:?}")
+            }
+            FrontendEvent::EmulationStatus(s) => {
+                eprintln!("emulation status: {s:?}")
+            }
+            FrontendEvent::AuthorizedUpdated(fingerprints) => {
+                eprintln!("authorized keys changed:");
+                for (desc, fp) in fingerprints {
+                    eprintln!("{desc}: {fp}");
+                }
+            }
+            FrontendEvent::PublicKeyFingerprint(fp) => {
+                eprintln!("the public key fingerprint of this device is {fp}");
+            }
+            FrontendEvent::IncomingConnected(..) => {}
+            FrontendEvent::IncomingDisconnected(..) => {}
+        }
+    }
+
+    fn print_clients(&mut self) {
+        for (h, c, s) in self.clients.iter() {
+            eprint!("client {h}: ");
+            print_config(c);
+            eprint!(" ");
+            print_state(s);
+            eprintln!();
+        }
+    }
+}
+
+fn prompt() -> io::Result<()> {
+    eprint!("lan-mouse > ");
+    std::io::stderr().flush()?;
     Ok(())
 }
+
+fn print_config(c: &ClientConfig) {
+    eprint!(
+        "{}:{} ({}), ips: {:?}",
+        c.hostname.clone().unwrap_or("(no hostname)".into()),
+        c.port,
+        c.pos,
+        c.fix_ips
+    );
+}
+
+fn print_state(s: &ClientState) {
+    eprint!("active: {}, dns: {:?}", s.active, s.ips);
+}

lan-mouse-gtk/Cargo.toml

@@ -13,7 +13,6 @@ 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" }

lan-mouse-gtk/resources/authorization_window.ui

@@ -1,102 +0,0 @@
-<?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>

lan-mouse-gtk/resources/client_row.ui

@@ -5,6 +5,7 @@
 		<!-- 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>

lan-mouse-gtk/resources/resources.gresource.xml

@@ -2,7 +2,6 @@
 <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" preprocess="xml-stripblanks">key_row.ui</file>

lan-mouse-gtk/src/authorization_window.rs

@@ -1,19 +0,0 @@
-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
-    }
-}

lan-mouse-gtk/src/authorization_window/imp.rs

@@ -1,75 +0,0 @@
-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 {}

lan-mouse-gtk/src/client_object/imp.rs

@@ -13,7 +13,7 @@ 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 = Option<String>, member = hostname)]
+    #[property(name = "hostname", get, set, type = 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)]

lan-mouse-gtk/src/client_row.rs

@@ -4,7 +4,7 @@ use adw::prelude::*;
 use adw::subclass::prelude::*;
 use gtk::glib::{self, Object};
 
-use lan_mouse_ipc::{Position, DEFAULT_PORT};
+use lan_mouse_ipc::DEFAULT_PORT;
 
 use super::ClientObject;
 
@@ -15,32 +15,25 @@ glib::wrapper! {
 }
 
 impl ClientRow {
-    pub fn new(client_object: &ClientObject) -> Self {
+    pub fn new(_client_object: &ClientObject) -> Self {
-        let client_row: Self = Object::builder().build();
+        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>| {
@@ -50,48 +43,72 @@ 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>| v.or(Some("<span font_style=\"italic\" font_weight=\"light\" foreground=\"darkgrey\">no hostname!</span>".to_string())))
+            .transform_to(|_, v: Option<String>| {
-            .sync_create()
+                if let Some(hostname) = v {
-            .build();
+                    Some(hostname)
-
-        // bind port to port edit field
-        let port_binding = client_object
-            .bind_property("port", &self.imp().port.get(), "text")
-            .transform_to(|_, v: u32| {
-                if v == DEFAULT_PORT as u32 {
-                    Some("".to_string())
                 } else {
-                    Some(v.to_string())
+                    Some("<span font_style=\"italic\" font_weight=\"light\" foreground=\"darkgrey\">no hostname!</span>".to_string())
                 }
             })
             .sync_create()
             .build();
 
-        // bind port to subtitle
+        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 {
+                    Some("".to_string())
+                } else {
+                    Some(v.to_string())
+                }
+            })
+            .bidirectional()
+            .sync_create()
+            .build();
+
         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(1u32),
+                "right" => Some(1),
                 "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",
@@ -101,7 +118,6 @@ impl ClientRow {
             .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>| {
@@ -130,24 +146,4 @@ 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);
-    }
 }

lan-mouse-gtk/src/client_row/imp.rs

@@ -3,14 +3,11 @@ use std::cell::RefCell;
 use adw::subclass::prelude::*;
 use adw::{prelude::*, ActionRow, ComboRow};
 use glib::{subclass::InitializingObject, Binding};
+use gtk::glib::clone;
 use gtk::glib::subclass::Signal;
-use gtk::glib::{clone, SignalHandlerId};
+use gtk::{glib, Button, CompositeTemplate, Switch};
-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 {
@@ -31,11 +28,6 @@ pub struct ClientRow {
     #[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]
@@ -67,61 +59,17 @@ impl ObjectImpl for ClientRow {
                 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")
+                Signal::builder("request-dns").build(),
+                Signal::builder("request-update")
                     .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(),
             ]
         })
     }
@@ -130,97 +78,22 @@ impl ObjectImpl for ClientRow {
 #[gtk::template_callbacks]
 impl ClientRow {
     #[template_callback]
-    fn handle_activate_switch(&self, state: bool, _switch: &Switch) -> bool {
+    fn handle_client_set_state(&self, state: bool, _switch: &Switch) -> bool {
-        self.obj().emit_by_name::<()>("request-activate", &[&state]);
+        log::debug!("state change -> requesting update");
+        self.obj().emit_by_name::<()>("request-update", &[&state]);
         true // dont run default handler
     }
 
     #[template_callback]
-    fn handle_request_dns(&self, _: &Button) {
+    fn handle_request_dns(&self, _: Button) {
         self.obj().emit_by_name::<()>("request-dns", &[]);
     }
 
     #[template_callback]
     fn handle_client_delete(&self, _button: &Button) {
+        log::debug!("delete button pressed -> requesting delete");
         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 {}

lan-mouse-gtk/src/fingerprint_window.rs

@@ -1,7 +1,7 @@
 mod imp;
 
 use glib::Object;
-use gtk::{gio, glib, prelude::ObjectExt, subclass::prelude::ObjectSubclassIsExt};
+use gtk::{gio, glib};
 
 glib::wrapper! {
     pub struct FingerprintWindow(ObjectSubclass<imp::FingerprintWindow>)
@@ -11,12 +11,8 @@ glib::wrapper! {
 }
 
 impl FingerprintWindow {
-    pub(crate) fn new(fingerprint: Option<String>) -> Self {
+    pub(crate) fn new() -> 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
     }
 }

lan-mouse-gtk/src/key_row.rs

@@ -8,7 +8,7 @@ use super::KeyObject;
 
 glib::wrapper! {
     pub struct KeyRow(ObjectSubclass<imp::KeyRow>)
-    @extends gtk::ListBoxRow, gtk::Widget, adw::PreferencesRow, adw::ActionRow,
+    @extends gtk::ListBoxRow, gtk::Widget, adw::PreferencesRow, adw::ExpanderRow,
     @implements gtk::Accessible, gtk::Actionable, gtk::Buildable, gtk::ConstraintTarget;
 }
 

lan-mouse-gtk/src/lib.rs

@@ -1,4 +1,3 @@
-mod authorization_window;
 mod client_object;
 mod client_row;
 mod fingerprint_window;
@@ -10,24 +9,18 @@ use std::{env, process, str};
 
 use window::Window;
 
-use lan_mouse_ipc::FrontendEvent;
+use lan_mouse_ipc::{FrontendEvent, FrontendRequest};
 
 use adw::Application;
-use gtk::{gdk::Display, glib::clone, prelude::*, IconTheme};
+use gtk::{
+    gdk::Display, glib::clone, prelude::*, subclass::prelude::ObjectSubclassIsExt, IconTheme,
+};
 use gtk::{gio, glib, prelude::ApplicationExt};
 
 use self::client_object::ClientObject;
 use self::key_object::KeyObject;
 
-use thiserror::Error;
+pub fn run() -> glib::ExitCode {
-
-#[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()
@@ -40,10 +33,13 @@ pub fn run() -> Result<(), GtkError> {
     #[cfg(not(windows))]
     let ret = gtk_main();
 
-    match ret {
+    if ret == glib::ExitCode::FAILURE {
-        glib::ExitCode::SUCCESS => Ok(()),
+        log::error!("frontend exited with failure");
-        e => Err(GtkError::NonZeroExitCode(e.value())),
+    } else {
+        log::info!("frontend exited successfully");
     }
+
+    ret
 }
 
 fn gtk_main() -> glib::ExitCode {
@@ -53,11 +49,7 @@ fn gtk_main() -> glib::ExitCode {
         .application_id("de.feschber.LanMouse")
         .build();
 
-    app.connect_startup(|app| {
+    app.connect_startup(|_| load_icons());
-        load_icons();
-        setup_actions(app);
-        setup_menu(app);
-    });
     app.connect_activate(build_ui);
 
     let args: Vec<&'static str> = vec![];
@@ -70,33 +62,6 @@ fn load_icons() {
     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() {
@@ -131,41 +96,54 @@ fn build_ui(app: &Application) {
             loop {
                 let notify = receiver.recv().await.unwrap_or_else(|_| process::exit(1));
                 match notify {
-                    FrontendEvent::Created(handle, client, state) => {
+                    FrontendEvent::Changed(handle) => {
-                        window.new_client(handle, client, state)
+                        window.request(FrontendRequest::GetState(handle));
+                    }
+                    FrontendEvent::Created(handle, client, state) => {
+                        window.new_client(handle, client, state);
+                    }
+                    FrontendEvent::Deleted(client) => {
+                        window.delete_client(client);
                     }
-                    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::Error(e) => {
-                    FrontendEvent::Enumerate(clients) => window.update_client_list(clients),
+                        window.show_toast(e.as_str());
-                    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 {
+                    FrontendEvent::Enumerate(clients) => {
-                        fingerprint: _,
+                        for (handle, client, state) in clients {
-                        addr,
+                            if window.client_idx(handle).is_some() {
-                    } => {
+                                window.update_client_config(handle, client);
-                        window.show_toast(format!("device connected: {addr}").as_str());
+                                window.update_client_state(handle, state);
+                            } else {
+                                window.new_client(handle, client, state);
+                            }
+                        }
                     }
-                    FrontendEvent::DeviceEntered {
+                    FrontendEvent::PortChanged(port, msg) => {
-                        fingerprint: _,
+                        match msg {
-                        addr,
+                            None => window.show_toast(format!("port changed: {port}").as_str()),
-                        pos,
+                            Some(msg) => window.show_toast(msg.as_str()),
-                    } => {
+                        }
-                        window.show_toast(format!("device entered: {addr} ({pos})").as_str());
+                        window.imp().set_port(port);
                     }
-                    FrontendEvent::IncomingDisconnected(addr) => {
+                    FrontendEvent::CaptureStatus(s) => {
-                        window.show_toast(format!("{addr} disconnected").as_str());
+                        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::IncomingConnected(..) => {}
+                    FrontendEvent::IncomingDisconnected(..) => {}
                 }
             }
         }

lan-mouse-gtk/src/window.rs

@@ -8,7 +8,7 @@ use glib::{clone, Object};
 use gtk::{
     gio,
     glib::{self, closure_local},
-    NoSelection,
+    ListBox, NoSelection,
 };
 
 use lan_mouse_ipc::{
@@ -16,10 +16,7 @@ use lan_mouse_ipc::{
     DEFAULT_PORT,
 };
 
-use crate::{
+use crate::{fingerprint_window::FingerprintWindow, key_object::KeyObject, key_row::KeyRow};
-    authorization_window::AuthorizationWindow, fingerprint_window::FingerprintWindow,
-    key_object::KeyObject, key_row::KeyRow,
-};
 
 use super::{client_object::ClientObject, client_row::ClientRow};
 
@@ -31,7 +28,7 @@ glib::wrapper! {
 }
 
 impl Window {
-    pub(super) fn new(app: &adw::Application, conn: FrontendRequestWriter) -> Self {
+    pub(crate) fn new(app: &adw::Application, conn: FrontendRequestWriter) -> Self {
         let window: Self = Object::builder().property("application", app).build();
         window
             .imp()
@@ -41,7 +38,7 @@ impl Window {
         window
     }
 
-    fn clients(&self) -> gio::ListStore {
+    pub fn clients(&self) -> gio::ListStore {
         self.imp()
             .clients
             .borrow()
@@ -49,7 +46,7 @@ impl Window {
             .expect("Could not get clients")
     }
 
-    fn authorized(&self) -> gio::ListStore {
+    pub fn authorized(&self) -> gio::ListStore {
         self.imp()
             .authorized
             .borrow()
@@ -65,14 +62,6 @@ impl Window {
         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));
@@ -123,57 +112,16 @@ impl Window {
                         .expect("Expected object of type `ClientObject`.");
                     let row = window.create_client_row(client_object);
                     row.connect_closure(
-                        "request-hostname-change",
+                        "request-update",
-                        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!(
+                                    window.request_client_activate(&client, active);
-                                        "request: {} client",
+                                    window.request_client_update(&client);
-                                        if active { "activating" } else { "deactivating" }
+                                    window.request_client_state(&client);
-                                    );
-                                    window.request(FrontendRequest::Activate(
-                                        client.handle(),
-                                        active,
-                                    ));
                                 }
                             }
                         ),
@@ -186,7 +134,7 @@ impl Window {
                             window,
                             move |row: ClientRow| {
                                 if let Some(client) = window.client_by_idx(row.index() as u32) {
-                                    window.request(FrontendRequest::Delete(client.handle()));
+                                    window.request_client_delete(&client);
                                 }
                             }
                         ),
@@ -199,31 +147,9 @@ impl Window {
                             window,
                             move |row: ClientRow| {
                                 if let Some(client) = window.client_by_idx(row.index() as u32) {
-                                    window.request(FrontendRequest::ResolveDns(
+                                    window.request_client_update(&client);
-                                        client.get_data().handle,
+                                    window.request_dns(&client);
-                                    ));
+                                    window.request_client_state(&client);
-                                }
-                            }
-                        ),
-                    );
-                    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,
-                                    ));
                                 }
                             }
                         ),
@@ -234,14 +160,10 @@ impl Window {
         );
     }
 
-    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) {
+    pub 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 {
@@ -250,7 +172,7 @@ impl Window {
         });
     }
 
-    fn update_auth_placeholder_visibility(&self) {
+    pub 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 {
@@ -259,6 +181,10 @@ impl Window {
         });
     }
 
+    fn setup_icon(&self) {
+        self.set_icon_name(Some("de.feschber.LanMouse"));
+    }
+
     fn create_client_row(&self, client_object: &ClientObject) -> ClientRow {
         let row = ClientRow::new(client_object);
         row.bind(client_object);
@@ -271,46 +197,24 @@ impl Window {
         row
     }
 
-    pub(super) fn new_client(
+    pub fn new_client(&self, handle: ClientHandle, client: ClientConfig, state: ClientState) {
-        &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(
+    pub fn client_idx(&self, handle: ClientHandle) -> Option<usize> {
-        &self,
+        self.clients().iter::<ClientObject>().position(|c| {
-        clients: Vec<(ClientHandle, ClientConfig, ClientState)>,
+            if let Ok(c) = c {
-    ) {
+                c.handle() == handle
-        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);
+                false
             }
-        }
+        })
     }
 
-    pub(super) fn update_port(&self, port: u16, msg: Option<String>) {
+    pub fn delete_client(&self, handle: ClientHandle) {
-        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;
@@ -322,31 +226,46 @@ impl Window {
         }
     }
 
-    pub(super) fn update_client_config(&self, handle: ClientHandle, client: ClientConfig) {
+    pub fn update_client_config(&self, handle: ClientHandle, client: ClientConfig) {
-        let Some(row) = self.row_for_handle(handle) else {
+        let Some(idx) = self.client_idx(handle) else {
-            log::warn!("could not find row for handle {}", handle);
+            log::warn!("could not find client with handle {}", handle);
             return;
         };
-        row.set_hostname(client.hostname);
+        let client_object = self.clients().item(idx as u32).unwrap();
-        row.set_port(client.port);
+        let client_object: &ClientObject = client_object.downcast_ref().unwrap();
-        row.set_position(client.pos);
+        let data = client_object.get_data();
+
+        /* only change if it actually has changed, otherwise
+         * the update signal is triggered */
+        if data.hostname != client.hostname {
+            client_object.set_hostname(client.hostname.unwrap_or("".into()));
+        }
+        if data.port != client.port as u32 {
+            client_object.set_port(client.port as u32);
+        }
+        if data.position != client.pos.to_string() {
+            client_object.set_position(client.pos.to_string());
+        }
     }
 
-    pub(super) fn update_client_state(&self, handle: ClientHandle, state: ClientState) {
+    pub fn update_client_state(&self, handle: ClientHandle, state: ClientState) {
-        let Some(row) = self.row_for_handle(handle) else {
+        let Some(idx) = self.client_idx(handle) else {
-            log::warn!("could not find row for handle {}", handle);
+            log::warn!("could not find client with handle {}", handle);
-            return;
-        };
-        let Some(client_object) = self.client_object_for_handle(handle) else {
-            log::warn!("could not find row for handle {}", handle);
             return;
         };
+        let client_object = self.clients().item(idx as u32).unwrap();
+        let client_object: &ClientObject = client_object.downcast_ref().unwrap();
+        let data = client_object.get_data();
 
-        /* activation state */
+        if state.active != data.active {
-        row.set_active(state.active);
+            client_object.set_active(state.active);
+            log::debug!("set active to {}", state.active);
+        }
 
-        /* dns state */
+        if state.resolving != data.resolving {
-        client_object.set_resolving(state.resolving);
+            client_object.set_resolving(state.resolving);
+            log::debug!("resolving {}: {}", data.handle, state.resolving);
+        }
 
         self.update_dns_state(handle, !state.ips.is_empty());
         let ips = state
@@ -357,23 +276,22 @@ impl Window {
         client_object.set_ips(ips);
     }
 
-    fn client_object_for_handle(&self, handle: ClientHandle) -> Option<ClientObject> {
+    pub fn update_dns_state(&self, handle: ClientHandle, resolved: bool) {
-        self.client_idx(handle)
+        let Some(idx) = self.client_idx(handle) else {
-            .and_then(|i| self.client_by_idx(i as u32))
+            log::warn!("could not find client with handle {}", handle);
-    }
+            return;
-
+        };
-    fn row_for_handle(&self, handle: ClientHandle) -> Option<ClientRow> {
+        let list_box: ListBox = self.imp().client_list.get();
-        self.client_idx(handle)
+        let row = list_box.row_at_index(idx as i32).unwrap();
-            .and_then(|i| self.row_by_idx(i as i32))
+        let client_row: ClientRow = row.downcast().expect("expected ClientRow Object");
-    }
+        if resolved {
-
+            client_row.imp().dns_button.set_css_classes(&["success"])
-    fn update_dns_state(&self, handle: ClientHandle, resolved: bool) {
+        } else {
-        if let Some(client_row) = self.row_for_handle(handle) {
+            client_row.imp().dns_button.set_css_classes(&["warning"])
-            client_row.set_dns_state(resolved);
         }
     }
 
-    fn request_port_change(&self) {
+    pub fn request_port_change(&self) {
         let port = self
             .imp()
             .port_entry
@@ -385,20 +303,56 @@ impl Window {
         self.request(FrontendRequest::ChangePort(port));
     }
 
-    fn request_capture(&self) {
+    pub fn request_capture(&self) {
         self.request(FrontendRequest::EnableCapture);
     }
 
-    fn request_emulation(&self) {
+    pub fn request_emulation(&self) {
         self.request(FrontendRequest::EnableEmulation);
     }
 
-    fn request_client_create(&self) {
+    pub fn request_client_state(&self, client: &ClientObject) {
+        self.request_client_state_for(client.handle());
+    }
+
+    pub fn request_client_state_for(&self, handle: ClientHandle) {
+        self.request(FrontendRequest::GetState(handle));
+    }
+
+    pub fn request_client_create(&self) {
         self.request(FrontendRequest::Create);
     }
 
-    fn open_fingerprint_dialog(&self, fp: Option<String>) {
+    pub fn request_dns(&self, client: &ClientObject) {
-        let window = FingerprintWindow::new(fp);
+        self.request(FrontendRequest::ResolveDns(client.get_data().handle));
+    }
+
+    pub fn request_client_update(&self, client: &ClientObject) {
+        let handle = client.handle();
+        let data = client.get_data();
+        let position = Position::try_from(data.position.as_str()).expect("invalid position");
+        let hostname = data.hostname;
+        let port = data.port as u16;
+
+        for event in [
+            FrontendRequest::UpdateHostname(handle, hostname),
+            FrontendRequest::UpdatePosition(handle, position),
+            FrontendRequest::UpdatePort(handle, port),
+        ] {
+            self.request(event);
+        }
+    }
+
+    pub fn request_client_activate(&self, client: &ClientObject, active: bool) {
+        self.request(FrontendRequest::Activate(client.handle(), active));
+    }
+
+    pub fn request_client_delete(&self, client: &ClientObject) {
+        self.request(FrontendRequest::Delete(client.handle()));
+    }
+
+    pub fn open_fingerprint_dialog(&self) {
+        let window = FingerprintWindow::new();
         window.set_transient_for(Some(self));
         window.connect_closure(
             "confirm-clicked",
@@ -415,15 +369,15 @@ impl Window {
         window.present();
     }
 
-    fn request_fingerprint_add(&self, desc: String, fp: String) {
+    pub fn request_fingerprint_add(&self, desc: String, fp: String) {
         self.request(FrontendRequest::AuthorizeKey(desc, fp));
     }
 
-    fn request_fingerprint_remove(&self, fp: String) {
+    pub fn request_fingerprint_remove(&self, fp: String) {
         self.request(FrontendRequest::RemoveAuthorizedKey(fp));
     }
 
-    fn request(&self, request: FrontendRequest) {
+    pub 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) {
@@ -431,18 +385,18 @@ impl Window {
         };
     }
 
-    pub(super) fn show_toast(&self, msg: &str) {
+    pub 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) {
+    pub 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) {
+    pub fn set_emulation(&self, active: bool) {
         self.imp().emulation_active.replace(active);
         self.update_capture_emulation_status();
     }
@@ -457,7 +411,7 @@ impl Window {
             .set_visible(!capture || !emulation);
     }
 
-    pub(super) fn set_authorized_keys(&self, fingerprints: HashMap<String, String>) {
+    pub(crate) fn set_authorized_keys(&self, fingerprints: HashMap<String, String>) {
         let authorized = self.authorized();
         // clear list
         authorized.remove_all();
@@ -469,32 +423,7 @@ impl Window {
         self.update_auth_placeholder_visibility();
     }
 
-    pub(super) fn set_pk_fp(&self, fingerprint: &str) {
+    pub(crate) 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();
-    }
 }

lan-mouse-gtk/src/window/imp.rs

@@ -149,7 +149,7 @@ impl Window {
 
     #[template_callback]
     fn handle_add_cert_fingerprint(&self, _button: &Button) {
-        self.obj().open_fingerprint_dialog(None);
+        self.obj().open_fingerprint_dialog();
     }
 
     pub fn set_port(&self, port: u16) {

lan-mouse-ipc/src/connect_async.rs

@@ -1,6 +1,7 @@
 use crate::{ConnectionError, FrontendEvent, FrontendRequest, IpcError};
 use std::{
     cmp::min,
+    io,
     task::{ready, Poll},
     time::Duration,
 };
@@ -46,7 +47,7 @@ impl Stream for AsyncFrontendEventReader {
 }
 
 impl AsyncFrontendRequestWriter {
-    pub async fn request(&mut self, request: FrontendRequest) -> Result<(), IpcError> {
+    pub async 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');
@@ -56,16 +57,8 @@ impl AsyncFrontendRequestWriter {
 }
 
 pub async fn connect_async(
-    timeout: Option<Duration>,
 ) -> Result<(AsyncFrontendEventReader, AsyncFrontendRequestWriter), ConnectionError> {
-    let stream = if let Some(duration) = timeout {
+    let stream = wait_for_service().await?;
-        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)]

lan-mouse-ipc/src/lib.rs

@@ -30,8 +30,6 @@ pub enum ConnectionError {
     SocketPath(#[from] SocketPathError),
     #[error(transparent)]
     Io(#[from] io::Error),
-    #[error("connection timed out")]
-    Timeout,
 }
 
 #[derive(Debug, Error)]
@@ -59,7 +57,6 @@ pub enum IpcError {
 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,
@@ -180,6 +177,8 @@ pub struct ClientState {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub enum FrontendEvent {
+    /// client state has changed, new state must be requested via [`FrontendRequest::GetState`]
+    Changed(ClientHandle),
     /// a client was created
     Created(ClientHandle, ClientConfig, ClientState),
     /// no such client
@@ -202,21 +201,10 @@ pub enum FrontendEvent {
     AuthorizedUpdated(HashMap<String, String>),
     /// public key fingerprint of this device
     PublicKeyFingerprint(String),
-    /// new device connected
+    /// incoming connected
-    DeviceConnected {
+    IncomingConnected(String, SocketAddr, Position),
-        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)]
@@ -241,6 +229,8 @@ pub enum FrontendRequest {
     UpdatePosition(ClientHandle, Position),
     /// update fix-ips
     UpdateFixIps(ClientHandle, Vec<IpAddr>),
+    /// request the state of the given client
+    GetState(ClientHandle),
     /// request reenabling input capture
     EnableCapture,
     /// request reenabling input emulation
@@ -251,8 +241,6 @@ pub enum FrontendRequest {
     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)]

nix/hm-module.nix

@@ -52,7 +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")
@@ -65,7 +65,7 @@ in {
       config = {
         ProgramArguments = [
           "${cfg.package}/bin/lan-mouse"
-          "daemon"
+          "--daemon"
         ];
         KeepAlive = true;
       };

scripts/makeicns.sh

@@ -1,42 +0,0 @@
-#!/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"

service/lan-mouse.service

@@ -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]

src/capture_test.rs

@@ -1,16 +1,12 @@
 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 async fn run(config: Config) -> Result<(), InputCaptureError> {
-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());
+    let backend = config.capture_backend.map(|b| b.into());
     loop {
         let mut input_capture = InputCapture::new(backend).await?;
         log::info!("creating clients");

src/client.rs

@@ -199,13 +199,6 @@ impl ClientManager {
         }
     }
 
-    /// 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) {

src/config.rs

@@ -1,6 +1,4 @@
-use crate::capture_test::TestCaptureArgs;
+use clap::{Parser, ValueEnum};
-use crate::emulation_test::TestEmulationArgs;
-use clap::{Parser, Subcommand, ValueEnum};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::env::{self, VarError};
@@ -12,7 +10,6 @@ use std::{collections::HashSet, io};
 use thiserror::Error;
 use toml;
 
-use lan_mouse_cli::CliArgs;
 use lan_mouse_ipc::{Position, DEFAULT_PORT};
 
 use input_event::scancode::{
@@ -24,50 +21,34 @@ 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)]
-struct ConfigToml {
+pub struct ConfigToml {
-    capture_backend: Option<CaptureBackend>,
+    pub capture_backend: Option<CaptureBackend>,
-    emulation_backend: Option<EmulationBackend>,
+    pub emulation_backend: Option<EmulationBackend>,
-    port: Option<u16>,
+    pub port: Option<u16>,
-    release_bind: Option<Vec<scancode::Linux>>,
+    pub frontend: Option<Frontend>,
-    cert_path: Option<PathBuf>,
+    pub release_bind: Option<Vec<scancode::Linux>>,
-    clients: Option<Vec<TomlClient>>,
+    pub cert_path: Option<PathBuf>,
-    authorized_fingerprints: Option<HashMap<String, String>>,
+    pub left: Option<TomlClient>,
+    pub right: Option<TomlClient>,
+    pub top: Option<TomlClient>,
+    pub bottom: Option<TomlClient>,
+    pub authorized_fingerprints: Option<HashMap<String, String>>,
 }
 
-#[derive(Clone, Serialize, Deserialize, Debug, Eq, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
-struct TomlClient {
+pub struct TomlClient {
-    hostname: Option<String>,
+    pub capture_backend: Option<CaptureBackend>,
-    host_name: Option<String>,
+    pub hostname: Option<String>,
-    ips: Option<Vec<IpAddr>>,
+    pub host_name: Option<String>,
-    port: Option<u16>,
+    pub ips: Option<Vec<IpAddr>>,
-    position: Option<Position>,
+    pub port: Option<u16>,
-    activate_on_startup: Option<bool>,
+    pub activate_on_startup: Option<bool>,
-    enter_hook: Option<String>,
+    pub enter_hook: Option<String>,
 }
 
 impl ConfigToml {
-    fn new(path: &Path) -> Result<ConfigToml, ConfigError> {
+    pub fn new(path: &Path) -> Result<ConfigToml, ConfigError> {
         let config = fs::read_to_string(path)?;
         Ok(toml::from_str::<_>(&config)?)
     }
@@ -75,14 +56,30 @@ impl ConfigToml {
 
 #[derive(Parser, Debug)]
 #[command(author, version=build::CLAP_LONG_VERSION, about, long_about = None)]
-struct Args {
+struct CliArgs {
     /// the listen port for lan-mouse
     #[arg(short, long)]
     port: Option<u16>,
 
+    /// the frontend to use [cli | gtk]
+    #[arg(short, long)]
+    frontend: Option<Frontend>,
+
     /// non-default config file location
     #[arg(short, long)]
-    config: Option<PathBuf>,
+    config: Option<String>,
+
+    /// run only the service as a daemon without the frontend
+    #[arg(short, long)]
+    daemon: bool,
+
+    /// test input capture
+    #[arg(long)]
+    test_capture: bool,
+
+    /// test input emulation
+    #[arg(long)]
+    test_emulation: bool,
 
     /// capture backend override
     #[arg(long)]
@@ -95,22 +92,6 @@ struct Args {
     /// path to non-default certificate location
     #[arg(long)]
     cert_path: Option<PathBuf>,
-
-    /// subcommands
-    #[command(subcommand)]
-    command: Option<Command>,
-}
-
-#[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)]
@@ -234,16 +215,50 @@ impl Display for EmulationBackend {
     }
 }
 
+#[derive(Clone, Copy, Debug, Deserialize, PartialEq, Eq, Serialize, ValueEnum)]
+pub enum Frontend {
+    #[serde(rename = "gtk")]
+    Gtk,
+    #[serde(rename = "cli")]
+    Cli,
+}
+
+impl Default for Frontend {
+    fn default() -> Self {
+        if cfg!(feature = "gtk") {
+            Self::Gtk
+        } else {
+            Self::Cli
+        }
+    }
+}
+
 #[derive(Debug)]
 pub struct Config {
-    /// command line arguments
+    /// the path to the configuration file used
-    args: Args,
+    pub path: PathBuf,
-    /// path to the certificate file used
+    /// public key fingerprints authorized for connection
-    cert_path: PathBuf,
+    pub authorized_fingerprints: HashMap<String, String>,
-    /// path to the config file used
+    /// optional input-capture backend override
-    config_path: PathBuf,
+    pub capture_backend: Option<CaptureBackend>,
-    /// the (optional) toml config and it's path
+    /// optional input-emulation backend override
-    config_toml: Option<ConfigToml>,
+    pub emulation_backend: Option<EmulationBackend>,
+    /// the frontend to use
+    pub frontend: Frontend,
+    /// the port to use (initially)
+    pub port: u16,
+    /// list of clients
+    pub clients: Vec<(TomlClient, Position)>,
+    /// whether or not to run as a daemon
+    pub daemon: bool,
+    /// configured release bind
+    pub release_bind: Vec<scancode::Linux>,
+    /// test capture instead of running the app
+    pub test_capture: bool,
+    /// test emulation instead of running the app
+    pub test_emulation: bool,
+    /// path to the tls certificate to use
+    pub cert_path: PathBuf,
 }
 
 pub struct ConfigClient {
@@ -255,25 +270,6 @@ pub struct ConfigClient {
     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)]
@@ -289,99 +285,134 @@ const DEFAULT_RELEASE_KEYS: [scancode::Linux; 4] =
 
 impl Config {
     pub fn new() -> Result<Self, ConfigError> {
-        let args = Args::parse();
+        let args = CliArgs::parse();
+        const CONFIG_FILE_NAME: &str = "config.toml";
+        const CERT_FILE_NAME: &str = "lan-mouse.pem";
+
+        #[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/")
+        };
+
+        #[cfg(not(unix))]
+        let config_path = {
+            let app_data =
+                env::var("LOCALAPPDATA").unwrap_or(format!("{}/.config", env::var("USERPROFILE")?));
+            format!("{app_data}\\lan-mouse\\")
+        };
+
+        let config_path = PathBuf::from(config_path);
+        let config_file = config_path.join(CONFIG_FILE_NAME);
 
         // --config <file> overrules default location
-        let config_path = args
+        let config_file = args.config.map(PathBuf::from).unwrap_or(config_file);
-            .config
-            .clone()
-            .unwrap_or(default_path()?.join(CONFIG_FILE_NAME));
 
-        let config_toml = match ConfigToml::new(&config_path) {
+        let mut config_toml = match ConfigToml::new(&config_file) {
             Err(e) => {
-                log::warn!("{config_path:?}: {e}");
+                log::warn!("{config_file:?}: {e}");
                 log::warn!("Continuing without config file ...");
                 None
             }
             Ok(c) => Some(c),
         };
 
-        // --cert-path <file> overrules default location
+        let frontend_arg = args.frontend;
+        let frontend_cfg = config_toml.as_ref().and_then(|c| c.frontend);
+        let frontend = frontend_arg.or(frontend_cfg).unwrap_or_default();
+
+        let port = args
+            .port
+            .or(config_toml.as_ref().and_then(|c| c.port))
+            .unwrap_or(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 capture_backend = args
+            .capture_backend
+            .or(config_toml.as_ref().and_then(|c| c.capture_backend));
+
+        let emulation_backend = args
+            .emulation_backend
+            .or(config_toml.as_ref().and_then(|c| c.emulation_backend));
+
         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));
+            .unwrap_or(config_path.join(CERT_FILE_NAME));
+
+        let authorized_fingerprints = config_toml
+            .as_mut()
+            .and_then(|c| std::mem::take(&mut c.authorized_fingerprints))
+            .unwrap_or_default();
+
+        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;
+        let test_capture = args.test_capture;
+        let test_emulation = args.test_emulation;
 
         Ok(Config {
-            args,
+            path: config_path,
+            authorized_fingerprints,
+            capture_backend,
+            emulation_backend,
+            daemon,
+            frontend,
+            clients,
+            port,
+            release_bind,
+            test_capture,
+            test_emulation,
             cert_path,
-            config_path,
-            config_toml,
         })
     }
 
-    /// the command to run
+    pub fn get_clients(&self) -> Vec<ConfigClient> {
-    pub fn command(&self) -> Option<Command> {
+        self.clients
-        self.args.command.clone()
+            .iter()
-    }
+            .map(|(c, pos)| {
-
+                let port = c.port.unwrap_or(DEFAULT_PORT);
-    pub fn config_path(&self) -> &Path {
+                let ips: HashSet<IpAddr> = if let Some(ips) = c.ips.as_ref() {
-        &self.config_path
+                    HashSet::from_iter(ips.iter().cloned())
-    }
+                } else {
-
+                    HashSet::new()
-    /// public key fingerprints authorized for connection
+                };
-    pub fn authorized_fingerprints(&self) -> HashMap<String, String> {
+                let hostname = match &c.hostname {
-        self.config_toml
+                    Some(h) => Some(h.clone()),
-            .as_ref()
+                    None => c.host_name.clone(),
-            .and_then(|c| c.authorized_fingerprints.clone())
+                };
-            .unwrap_or_default()
+                let active = c.activate_on_startup.unwrap_or(false);
-    }
+                let enter_hook = c.enter_hook.clone();
-
+                ConfigClient {
-    /// path to certificate
+                    ips,
-    pub fn cert_path(&self) -> &Path {
+                    hostname,
-        &self.cert_path
+                    port,
-    }
+                    pos: *pos,
-
+                    active,
-    /// optional input-capture backend override
+                    enter_hook,
-    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()))
-    }
 }

src/dns.rs

@@ -1,4 +1,4 @@
-use std::{collections::HashMap, net::IpAddr};
+use std::net::IpAddr;
 
 use local_channel::mpsc::{channel, Receiver, Sender};
 use tokio::task::{spawn_local, JoinHandle};
@@ -30,7 +30,6 @@ struct DnsTask {
     request_rx: Receiver<DnsRequest>,
     event_tx: Sender<DnsEvent>,
     cancellation_token: CancellationToken,
-    active_tasks: HashMap<ClientHandle, JoinHandle<()>>,
 }
 
 impl DnsResolver {
@@ -40,7 +39,6 @@ impl DnsResolver {
         let (event_tx, event_rx) = channel();
         let cancellation_token = CancellationToken::new();
         let dns_task = DnsTask {
-            active_tasks: Default::default(),
             resolver,
             request_rx,
             event_tx,
@@ -83,14 +81,6 @@ impl DnsTask {
         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");
@@ -100,7 +90,7 @@ impl DnsTask {
             let resolver = self.resolver.clone();
             let cancellation_token = self.cancellation_token.clone();
 
-            let task = tokio::task::spawn_local(async move {
+            tokio::task::spawn_local(async move {
                 tokio::select! {
                     ips = resolver.lookup_ip(&hostname) => {
                        let ips = ips.map(|ips| ips.iter().collect::<Vec<_>>());
@@ -111,7 +101,6 @@ impl DnsTask {
                     _ = cancellation_token.cancelled() => {},
                 }
             });
-            self.active_tasks.insert(handle, task);
         }
     }
 }

src/emulation.rs

@@ -1,4 +1,4 @@
-use crate::listen::{LanMouseListener, ListenEvent, ListenerCreationError};
+use crate::listen::{LanMouseListener, ListenerCreationError};
 use futures::StreamExt;
 use input_emulation::{EmulationHandle, InputEmulation, InputEmulationError};
 use input_event::Event;
@@ -24,15 +24,8 @@ pub(crate) struct Emulation {
 }
 
 pub(crate) enum EmulationEvent {
-    Connected {
-        addr: SocketAddr,
-        fingerprint: String,
-    },
-    ConnectionAttempt {
-        fingerprint: String,
-    },
     /// new connection
-    Entered {
+    Connected {
         /// address of the connection
         addr: SocketAddr,
         /// position of the connection
@@ -41,9 +34,7 @@ pub(crate) enum EmulationEvent {
         fingerprint: String,
     },
     /// connection closed
-    Disconnected {
+    Disconnected { addr: SocketAddr },
-        addr: SocketAddr,
-    },
     /// the port of the listener has changed
     PortChanged(Result<u16, ListenerCreationError>),
     /// emulation was disabled
@@ -130,36 +121,31 @@ impl ListenTask {
         let mut last_response = HashMap::new();
         loop {
             select! {
-                e = self.listener.next() => {match e {
+                e = self.listener.next() =>  {
-                    Some(ListenEvent::Msg { event, addr }) => {
+                    let (event, addr) = match e {
-                        log::trace!("{event} <-<-<-<-<- {addr}");
+                        Some(e) => e,
-                        last_response.insert(addr, Instant::now());
+                        None => break,
-                        match event {
+                    };
-                            ProtoEvent::Enter(pos) => {
+                    log::trace!("{event} <-<-<-<-<- {addr}");
-                                if let Some(fingerprint) = self.listener.get_certificate_fingerprint(addr).await {
+                    last_response.insert(addr, Instant::now());
-                                    log::info!("releasing capture: {addr} entered this device");
+                    match event {
-                                    self.event_tx.send(EmulationEvent::ReleaseNotify).expect("channel closed");
+                        ProtoEvent::Enter(pos) => {
-                                    self.listener.reply(addr, ProtoEvent::Ack(0)).await;
+                            if let Some(fingerprint) = self.listener.get_certificate_fingerprint(addr).await {
-                                    self.event_tx.send(EmulationEvent::Entered{addr, pos: to_ipc_pos(pos), fingerprint}).expect("channel closed");
+                                log::info!("releasing capture: {addr} entered this device");
-                                }
+                                self.event_tx.send(EmulationEvent::ReleaseNotify).expect("channel closed");
-                            }
-                            ProtoEvent::Leave(_) => {
-                                self.emulation_proxy.remove(addr);
                                 self.listener.reply(addr, ProtoEvent::Ack(0)).await;
+                                self.event_tx.send(EmulationEvent::Connected{addr, pos: to_ipc_pos(pos), fingerprint}).expect("channel closed");
                             }
-                            ProtoEvent::Input(event) => self.emulation_proxy.consume(event, addr),
-                            ProtoEvent::Ping => self.listener.reply(addr, ProtoEvent::Pong(self.emulation_proxy.emulation_active.get())).await,
-                            _ => {}
                         }
+                        ProtoEvent::Leave(_) => {
+                            self.emulation_proxy.remove(addr);
+                            self.listener.reply(addr, ProtoEvent::Ack(0)).await;
+                        }
+                        ProtoEvent::Input(event) => self.emulation_proxy.consume(event, addr),
+                        ProtoEvent::Ping => self.listener.reply(addr, ProtoEvent::Pong(self.emulation_proxy.emulation_active.get())).await,
+                        _ => {}
                     }
-                    Some(ListenEvent::Accept { addr, fingerprint }) => {
+                }
-                        self.event_tx.send(EmulationEvent::Connected { addr, fingerprint }).expect("channel closed");
-                    }
-                    Some(ListenEvent::Rejected { fingerprint }) => {
-                        self.event_tx.send(EmulationEvent::ConnectionAttempt { fingerprint }).expect("channel closed");
-                    }
-                    None => break
-                }}
                 event = self.emulation_proxy.event() => {
                     self.event_tx.send(event).expect("channel closed");
                 }

src/emulation_test.rs

@@ -1,5 +1,4 @@
 use crate::config::Config;
-use clap::Args;
 use input_emulation::{InputEmulation, InputEmulationError};
 use input_event::{Event, PointerEvent};
 use std::f64::consts::PI;
@@ -8,20 +7,10 @@ use std::time::{Duration, Instant};
 const FREQUENCY_HZ: f64 = 1.0;
 const RADIUS: f64 = 100.0;
 
-#[derive(Args, Clone, Debug, Eq, PartialEq)]
+pub async fn run(config: Config) -> Result<(), InputEmulationError> {
-pub struct TestEmulationArgs {
-    #[arg(long)]
-    mouse: bool,
-    #[arg(long)]
-    keyboard: bool,
-    #[arg(long)]
-    scroll: bool,
-}
-
-pub async fn run(config: Config, _args: TestEmulationArgs) -> Result<(), InputEmulationError> {
     log::info!("running input emulation test");
 
-    let backend = config.emulation_backend().map(|b| b.into());
+    let backend = config.emulation_backend.map(|b| b.into());
     let mut emulation = InputEmulation::new(backend).await?;
     emulation.create(0).await;
 

src/listen.rs

@@ -3,15 +3,15 @@ use lan_mouse_proto::{ProtoEvent, MAX_EVENT_SIZE};
 use local_channel::mpsc::{channel, Receiver, Sender};
 use rustls::pki_types::CertificateDer;
 use std::{
-    collections::{HashMap, VecDeque},
+    collections::HashMap,
     net::SocketAddr,
     rc::Rc,
-    sync::{Arc, Mutex, RwLock},
+    sync::{Arc, RwLock},
     time::Duration,
 };
 use thiserror::Error;
 use tokio::{
-    sync::Mutex as AsyncMutex,
+    sync::Mutex,
     task::{spawn_local, JoinHandle},
 };
 use webrtc_dtls::{
@@ -34,25 +34,11 @@ pub enum ListenerCreationError {
 
 type ArcConn = Arc<dyn Conn + Send + Sync>;
 
-pub(crate) enum ListenEvent {
-    Msg {
-        event: ProtoEvent,
-        addr: SocketAddr,
-    },
-    Accept {
-        addr: SocketAddr,
-        fingerprint: String,
-    },
-    Rejected {
-        fingerprint: String,
-    },
-}
-
 pub(crate) struct LanMouseListener {
-    listen_rx: Receiver<ListenEvent>,
+    listen_rx: Receiver<(ProtoEvent, SocketAddr)>,
-    listen_tx: Sender<ListenEvent>,
+    listen_tx: Sender<(ProtoEvent, SocketAddr)>,
     listen_task: JoinHandle<()>,
-    conns: Rc<AsyncMutex<Vec<(SocketAddr, ArcConn)>>>,
+    conns: Rc<Mutex<Vec<(SocketAddr, ArcConn)>>>,
     request_port_change: Sender<u16>,
     port_changed: Receiver<Result<u16, ListenerCreationError>>,
 }
@@ -72,35 +58,26 @@ impl LanMouseListener {
         let (listen_tx, listen_rx) = channel();
         let (request_port_change, mut request_port_change_rx) = channel();
         let (port_changed_tx, port_changed) = channel();
-        let connection_attempts: Arc<Mutex<VecDeque<String>>> = Default::default();
 
         let authorized = authorized_keys.clone();
-        let verify_peer_certificate: Option<VerifyPeerCertificateFn> = {
+        let verify_peer_certificate: Option<VerifyPeerCertificateFn> = Some(Arc::new(
-            let connection_attempts = connection_attempts.clone();
+            move |certs: &[Vec<u8>], _chains: &[CertificateDer<'static>]| {
-            Some(Arc::new(
+                assert!(certs.len() == 1);
-                move |certs: &[Vec<u8>], _chains: &[CertificateDer<'static>]| {
+                let fingerprints = certs
-                    assert!(certs.len() == 1);
+                    .iter()
-                    let fingerprints = certs
+                    .map(|c| crypto::generate_fingerprint(c))
-                        .iter()
+                    .collect::<Vec<_>>();
-                        .map(|c| crypto::generate_fingerprint(c))
+                if authorized
-                        .collect::<Vec<_>>();
+                    .read()
-                    if authorized
+                    .expect("lock")
-                        .read()
+                    .contains_key(&fingerprints[0])
-                        .expect("lock")
+                {
-                        .contains_key(&fingerprints[0])
+                    Ok(())
-                    {
+                } else {
-                        Ok(())
+                    Err(webrtc_dtls::Error::ErrVerifyDataMismatch)
-                    } else {
+                }
-                        let fingerprint = fingerprints.into_iter().next().expect("fingerprint");
+            },
-                        connection_attempts
+        ));
-                            .lock()
-                            .expect("lock")
-                            .push_back(fingerprint);
-                        Err(webrtc_dtls::Error::ErrVerifyDataMismatch)
-                    }
-                },
-            ))
-        };
         let cfg = Config {
             certificates: vec![cert.clone()],
             extended_master_secret: ExtendedMasterSecretType::Require,
@@ -112,69 +89,43 @@ impl LanMouseListener {
         let listen_addr = SocketAddr::new("0.0.0.0".parse().expect("invalid ip"), port);
         let mut listener = listen(listen_addr, cfg.clone()).await?;
 
-        let conns: Rc<AsyncMutex<Vec<(SocketAddr, ArcConn)>>> =
+        let conns: Rc<Mutex<Vec<(SocketAddr, ArcConn)>>> = Rc::new(Mutex::new(Vec::new()));
-            Rc::new(AsyncMutex::new(Vec::new()));
 
         let conns_clone = conns.clone();
-        let listen_task: JoinHandle<()> = {
+        let tx = listen_tx.clone();
-            let listen_tx = listen_tx.clone();
+        let listen_task: JoinHandle<()> = spawn_local(async move {
-            let connection_attempts = connection_attempts.clone();
+            loop {
-            spawn_local(async move {
+                let sleep = tokio::time::sleep(Duration::from_secs(2));
-                loop {
+                tokio::select! {
-                    let sleep = tokio::time::sleep(Duration::from_secs(2));
+                    /* workaround for https://github.com/webrtc-rs/webrtc/issues/614 */
-                    tokio::select! {
+                    _ = sleep => continue,
-                        /* workaround for https://github.com/webrtc-rs/webrtc/issues/614 */
+                    c = listener.accept() => match c {
-                        _ = sleep => continue,
+                        Ok((conn, addr)) => {
-                        c = listener.accept() => match c {
+                            log::info!("dtls client connected, ip: {addr}");
-                            Ok((conn, addr)) => {
+                            let mut conns = conns_clone.lock().await;
-                                log::info!("dtls client connected, ip: {addr}");
+                            conns.push((addr, conn.clone()));
-                                let mut conns = conns_clone.lock().await;
+                            spawn_local(read_loop(conns_clone.clone(), addr, conn, tx.clone()));
-                                conns.push((addr, conn.clone()));
+                        },
-                                let dtls_conn: &DTLSConn = conn.as_any().downcast_ref().expect("dtls conn");
+                        Err(e) => log::warn!("accept: {e}"),
-                                let certs = dtls_conn.connection_state().await.peer_certificates;
+                    },
-                                let cert = certs.first().expect("cert");
+                    port = request_port_change_rx.recv() => {
-                                let fingerprint = crypto::generate_fingerprint(cert);
+                        let port = port.expect("channel closed");
-                                listen_tx.send(ListenEvent::Accept { addr, fingerprint }).expect("channel closed");
+                        let listen_addr = SocketAddr::new("0.0.0.0".parse().expect("invalid ip"), port);
-                                spawn_local(read_loop(conns_clone.clone(), addr, conn, listen_tx.clone()));
+                        match listen(listen_addr, cfg.clone()).await {
-                            },
+                            Ok(new_listener) => {
-                            Err(e) => {
+                                let _ = listener.close().await;
-                                if let Error::Std(ref e) = e {
+                                listener = new_listener;
-                                    if let Some(e) = e.0.downcast_ref::<webrtc_dtls::Error>() {
+                                port_changed_tx.send(Ok(port)).expect("channel closed");
-                                        match e {
-                                            webrtc_dtls::Error::ErrVerifyDataMismatch => {
-                                                if let Some(fingerprint) = connection_attempts.lock().expect("lock").pop_front() {
-                                                    listen_tx.send(ListenEvent::Rejected { fingerprint }).expect("channel closed");
-                                                }
-                                            }
-                                            _ => log::warn!("accept: {e}"),
-                                        }
-                                    } else {
-                                        log::warn!("accept: {e:?}");
-                                    }
-                                } else {
-                                    log::warn!("accept: {e:?}");
-                                }
                             }
-                        },
+                            Err(e) => {
-                        port = request_port_change_rx.recv() => {
+                                log::warn!("unable to change port: {e}");
-                            let port = port.expect("channel closed");
+                                port_changed_tx.send(Err(e.into())).expect("channel closed");
-                            let listen_addr = SocketAddr::new("0.0.0.0".parse().expect("invalid ip"), port);
+                            }
-                            match listen(listen_addr, cfg.clone()).await {
+                        };
-                                Ok(new_listener) => {
+                    },
-                                    let _ = listener.close().await;
+                };
-                                    listener = new_listener;
+            }
-                                    port_changed_tx.send(Ok(port)).expect("channel closed");
+        });
-                                }
-                                Err(e) => {
-                                    log::warn!("unable to change port: {e}");
-                                    port_changed_tx.send(Err(e.into())).expect("channel closed");
-                                }
-                            };
-                        },
-                    };
-                }
-            })
-        };
 
         Ok(Self {
             conns,
@@ -235,7 +186,7 @@ impl LanMouseListener {
 }
 
 impl Stream for LanMouseListener {
-    type Item = ListenEvent;
+    type Item = (ProtoEvent, SocketAddr);
 
     fn poll_next(
         mut self: std::pin::Pin<&mut Self>,
@@ -246,18 +197,16 @@ impl Stream for LanMouseListener {
 }
 
 async fn read_loop(
-    conns: Rc<AsyncMutex<Vec<(SocketAddr, ArcConn)>>>,
+    conns: Rc<Mutex<Vec<(SocketAddr, ArcConn)>>>,
     addr: SocketAddr,
     conn: ArcConn,
-    dtls_tx: Sender<ListenEvent>,
+    dtls_tx: Sender<(ProtoEvent, SocketAddr)>,
 ) -> Result<(), Error> {
     let mut b = [0u8; MAX_EVENT_SIZE];
 
     while conn.recv(&mut b).await.is_ok() {
         match b.try_into() {
-            Ok(event) => dtls_tx
+            Ok(event) => dtls_tx.send((event, addr)).expect("channel closed"),
-                .send(ListenEvent::Msg { event, addr })
-                .expect("channel closed"),
             Err(e) => {
                 log::warn!("error receiving event: {e}");
                 break;

src/main.rs

@@ -3,18 +3,15 @@ use input_capture::InputCaptureError;
 use input_emulation::InputEmulationError;
 use lan_mouse::{
     capture_test,
-    config::{self, Command, Config, ConfigError},
+    config::{Config, ConfigError, Frontend},
     emulation_test,
     service::{Service, ServiceError},
 };
-use lan_mouse_cli::CliError;
-#[cfg(feature = "gtk")]
-use lan_mouse_gtk::GtkError;
 use lan_mouse_ipc::{IpcError, IpcListenerCreationError};
 use std::{
     future::Future,
     io,
-    process::{self, Child},
+    process::{self, Child, Command},
 };
 use thiserror::Error;
 use tokio::task::LocalSet;
@@ -33,11 +30,6 @@ enum LanMouseError {
     Capture(#[from] InputCaptureError),
     #[error(transparent)]
     Emulation(#[from] InputEmulationError),
-    #[cfg(feature = "gtk")]
-    #[error(transparent)]
-    Gtk(#[from] GtkError),
-    #[error(transparent)]
-    Cli(#[from] CliError),
 }
 
 fn main() {
@@ -52,52 +44,35 @@ fn main() {
 }
 
 fn run() -> Result<(), LanMouseError> {
-    let config = config::Config::new()?;
+    // parse config file + cli args
-    match config.command() {
+    let config = Config::new()?;
-        Some(command) => match command {
+    if config.test_capture {
-            Command::TestEmulation(args) => run_async(emulation_test::run(config, args))?,
+        run_async(capture_test::run(config))?;
-            Command::TestCapture(args) => run_async(capture_test::run(config, args))?,
+    } else if config.test_emulation {
-            Command::Cli(cli_args) => run_async(lan_mouse_cli::run(cli_args))?,
+        run_async(emulation_test::run(config))?;
-            Command::Daemon => {
+    } else if config.daemon {
-                // if daemon is specified we run the service
+        // if daemon is specified we run the service
-                match run_async(run_service(config)) {
+        match run_async(run_service(config)) {
-                    Err(LanMouseError::Service(ServiceError::IpcListen(
+            Err(LanMouseError::Service(ServiceError::IpcListen(
-                        IpcListenerCreationError::AlreadyRunning,
+                IpcListenerCreationError::AlreadyRunning,
-                    ))) => log::info!("service already running!"),
+            ))) => log::info!("service already running!"),
-                    r => r?,
+            r => r?,
-                }
-            }
-        },
-        None => {
-            //  otherwise start the service as a child process and
-            //  run a frontend
-            #[cfg(feature = "gtk")]
-            {
-                let mut service = start_service()?;
-                let res = lan_mouse_gtk::run();
-                #[cfg(unix)]
-                {
-                    // on unix we give the service a chance to terminate gracefully
-                    let pid = service.id() as libc::pid_t;
-                    unsafe {
-                        libc::kill(pid, libc::SIGINT);
-                    }
-                    service.wait()?;
-                }
-                service.kill()?;
-                res?;
-            }
-            #[cfg(not(feature = "gtk"))]
-            {
-                // run daemon if gtk is diabled
-                match run_async(run_service(config)) {
-                    Err(LanMouseError::Service(ServiceError::IpcListen(
-                        IpcListenerCreationError::AlreadyRunning,
-                    ))) => log::info!("service already running!"),
-                    r => r?,
-                }
-            }
         }
+    } else {
+        //  otherwise start the service as a child process and
+        //  run a frontend
+        let mut service = start_service()?;
+        run_frontend(&config)?;
+        #[cfg(unix)]
+        {
+            // on unix we give the service a chance to terminate gracefully
+            let pid = service.id() as libc::pid_t;
+            unsafe {
+                libc::kill(pid, libc::SIGINT);
+            }
+            service.wait()?;
+        }
+        service.kill()?;
     }
 
     Ok(())
@@ -119,20 +94,33 @@ where
 }
 
 fn start_service() -> Result<Child, io::Error> {
-    let child = process::Command::new(std::env::current_exe()?)
+    let child = Command::new(std::env::current_exe()?)
         .args(std::env::args().skip(1))
-        .arg("daemon")
+        .arg("--daemon")
         .spawn()?;
     Ok(child)
 }
 
 async fn run_service(config: Config) -> Result<(), ServiceError> {
-    let release_bind = config.release_bind();
+    log::info!("using config: {:?}", config.path);
-    let config_path = config.config_path().to_owned();
+    log::info!("Press {:?} to release the mouse", config.release_bind);
     let mut service = Service::new(config).await?;
-    log::info!("using config: {config_path:?}");
-    log::info!("Press {release_bind:?} to release the mouse");
     service.run().await?;
     log::info!("service exited!");
     Ok(())
 }
+
+fn run_frontend(config: &Config) -> Result<(), IpcError> {
+    match config.frontend {
+        #[cfg(feature = "gtk")]
+        Frontend::Gtk => {
+            lan_mouse_gtk::run();
+        }
+        #[cfg(not(feature = "gtk"))]
+        Frontend::Gtk => panic!("gtk frontend requested but feature not enabled!"),
+        Frontend::Cli => {
+            lan_mouse_cli::run()?;
+        }
+    };
+    Ok(())
+}

src/service.rs

@@ -80,7 +80,7 @@ struct Incoming {
 impl Service {
     pub async fn new(config: Config) -> Result<Self, ServiceError> {
         let client_manager = ClientManager::default();
-        for client in config.clients() {
+        for client in config.get_clients() {
             let config = ClientConfig {
                 hostname: client.hostname,
                 fix_ips: client.ips.into_iter().collect(),
@@ -99,28 +99,28 @@ impl Service {
         }
 
         // load certificate
-        let cert = crypto::load_or_generate_key_and_cert(config.cert_path())?;
+        let cert = crypto::load_or_generate_key_and_cert(&config.cert_path)?;
         let public_key_fingerprint = crypto::certificate_fingerprint(&cert);
 
         // create frontend communication adapter, exit if already running
         let frontend_listener = AsyncFrontendListener::new().await?;
 
-        let authorized_keys = Arc::new(RwLock::new(config.authorized_fingerprints()));
+        let authorized_keys = Arc::new(RwLock::new(config.authorized_fingerprints.clone()));
         // listener + connection
         let listener =
-            LanMouseListener::new(config.port(), cert.clone(), authorized_keys.clone()).await?;
+            LanMouseListener::new(config.port, cert.clone(), authorized_keys.clone()).await?;
         let conn = LanMouseConnection::new(cert.clone(), client_manager.clone());
 
         // input capture + emulation
-        let capture_backend = config.capture_backend().map(|b| b.into());
+        let capture_backend = config.capture_backend.map(|b| b.into());
-        let capture = Capture::new(capture_backend, conn, config.release_bind());
+        let capture = Capture::new(capture_backend, conn, config.release_bind.clone());
-        let emulation_backend = config.emulation_backend().map(|b| b.into());
+        let emulation_backend = config.emulation_backend.map(|b| b.into());
         let emulation = Emulation::new(emulation_backend, listener);
 
         // create dns resolver
         let resolver = DnsResolver::new()?;
 
-        let port = config.port();
+        let port = config.port;
         let service = Self {
             capture,
             emulation,
@@ -142,15 +142,11 @@ impl Service {
     }
 
     pub async fn run(&mut self) -> Result<(), ServiceError> {
-        let active = self.client_manager.active_clients();
+        for handle in self.client_manager.active_clients() {
-        for handle in active.iter() {
             // small hack: `activate_client()` checks, if the client
             // is already active in client_manager and does not create a
             // capture barrier in that case so we have to deactivate it first
-            self.client_manager.deactivate_client(*handle);
+            self.client_manager.deactivate_client(handle);
-        }
-
-        for handle in active {
             self.activate_client(handle);
         }
 
@@ -190,6 +186,7 @@ impl Service {
             FrontendRequest::EnableCapture => self.capture.reenable(),
             FrontendRequest::EnableEmulation => self.emulation.reenable(),
             FrontendRequest::Enumerate() => self.enumerate(),
+            FrontendRequest::GetState(handle) => self.broadcast_client(handle),
             FrontendRequest::UpdateFixIps(handle, fix_ips) => self.update_fix_ips(handle, fix_ips),
             FrontendRequest::UpdateHostname(handle, host) => self.update_hostname(handle, host),
             FrontendRequest::UpdatePort(handle, port) => self.update_port(handle, port),
@@ -197,9 +194,6 @@ impl Service {
             FrontendRequest::ResolveDns(handle) => self.resolve(handle),
             FrontendRequest::Sync => self.sync_frontend(),
             FrontendRequest::RemoveAuthorizedKey(key) => self.remove_authorized_key(key),
-            FrontendRequest::UpdateEnterHook(handle, enter_hook) => {
-                self.update_enter_hook(handle, enter_hook)
-            }
         }
     }
 
@@ -211,10 +205,7 @@ impl Service {
 
     fn handle_emulation_event(&mut self, event: EmulationEvent) {
         match event {
-            EmulationEvent::ConnectionAttempt { fingerprint } => {
+            EmulationEvent::Connected {
-                self.notify_frontend(FrontendEvent::ConnectionAttempt { fingerprint });
-            }
-            EmulationEvent::Entered {
                 addr,
                 pos,
                 fingerprint,
@@ -222,11 +213,7 @@ impl Service {
                 // check if already registered
                 if !self.incoming_conns.contains(&addr) {
                     self.add_incoming(addr, pos, fingerprint.clone());
-                    self.notify_frontend(FrontendEvent::DeviceEntered {
+                    self.notify_frontend(FrontendEvent::IncomingConnected(fingerprint, addr, pos));
-                        fingerprint,
-                        addr,
-                        pos,
-                    });
                 } else {
                     self.update_incoming(addr, pos, fingerprint);
                 }
@@ -253,9 +240,6 @@ impl Service {
                 self.notify_frontend(FrontendEvent::EmulationStatus(self.emulation_status));
             }
             EmulationEvent::ReleaseNotify => self.capture.release(),
-            EmulationEvent::Connected { addr, fingerprint } => {
-                self.notify_frontend(FrontendEvent::DeviceConnected { addr, fingerprint });
-            }
         }
     }
 
@@ -299,7 +283,7 @@ impl Service {
                 handle
             }
         };
-        self.broadcast_client(handle);
+        self.notify_frontend(FrontendEvent::Changed(handle));
     }
 
     fn resolve(&self, handle: ClientHandle) {
@@ -357,11 +341,7 @@ impl Service {
             self.remove_incoming(addr);
             self.add_incoming(addr, pos, fingerprint.clone());
             self.notify_frontend(FrontendEvent::IncomingDisconnected(addr));
-            self.notify_frontend(FrontendEvent::DeviceEntered {
+            self.notify_frontend(FrontendEvent::IncomingConnected(fingerprint, addr, pos));
-                fingerprint,
-                addr,
-                pos,
-            });
         }
     }
 
@@ -419,7 +399,7 @@ impl Service {
         log::debug!("deactivating client {handle}");
         if self.client_manager.deactivate_client(handle) {
             self.capture.destroy(handle);
-            self.broadcast_client(handle);
+            self.notify_frontend(FrontendEvent::Changed(handle));
             log::info!("deactivated client {handle}");
         }
     }
@@ -445,7 +425,7 @@ impl Service {
         if self.client_manager.activate_client(handle) {
             /* notify capture and frontends */
             self.capture.create(handle, pos, CaptureType::Default);
-            self.broadcast_client(handle);
+            self.notify_frontend(FrontendEvent::Changed(handle));
             log::info!("activated client {handle} ({pos})");
         }
     }
@@ -472,20 +452,19 @@ impl Service {
 
     fn update_fix_ips(&mut self, handle: ClientHandle, fix_ips: Vec<IpAddr>) {
         self.client_manager.set_fix_ips(handle, fix_ips);
-        self.broadcast_client(handle);
+        self.notify_frontend(FrontendEvent::Changed(handle));
     }
 
     fn update_hostname(&mut self, handle: ClientHandle, hostname: Option<String>) {
-        log::info!("hostname changed: {hostname:?}");
         if self.client_manager.set_hostname(handle, hostname.clone()) {
             self.resolve(handle);
         }
-        self.broadcast_client(handle);
+        self.notify_frontend(FrontendEvent::Changed(handle));
     }
 
     fn update_port(&mut self, handle: ClientHandle, port: u16) {
         self.client_manager.set_port(handle, port);
-        self.broadcast_client(handle);
+        self.notify_frontend(FrontendEvent::Changed(handle));
     }
 
     fn update_pos(&mut self, handle: ClientHandle, pos: Position) {
@@ -494,12 +473,7 @@ impl Service {
             self.deactivate_client(handle);
             self.activate_client(handle);
         }
-        self.broadcast_client(handle);
+        self.notify_frontend(FrontendEvent::Changed(handle));
-    }
-
-    fn update_enter_hook(&mut self, handle: ClientHandle, enter_hook: Option<String>) {
-        self.client_manager.set_enter_hook(handle, enter_hook);
-        self.broadcast_client(handle);
     }
 
     fn broadcast_client(&mut self, handle: ClientHandle) {