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feat: whiteboard, macos (#12780)

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Signed-off-by: fufesou <linlong1266@gmail.com>
This commit is contained in:
fufesou
2025-08-30 22:16:35 +08:00
committed by GitHub
parent 438cef8cf9
commit e2ec6a5be8
14 changed files with 796 additions and 409 deletions
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124
Cargo.lock generated
View File

@@ -242,6 +242,12 @@ version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "175571dd1d178ced59193a6fc02dde1b972eb0bc56c892cde9beeceac5bf0f6b" checksum = "175571dd1d178ced59193a6fc02dde1b972eb0bc56c892cde9beeceac5bf0f6b"
[[package]]
name = "associative-cache"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "46016233fc1bb55c23b856fe556b7db6ccd05119a0a392e04f0b3b7c79058f16"
[[package]] [[package]]
name = "async-broadcast" name = "async-broadcast"
version = "0.5.1" version = "0.5.1"
@@ -1280,9 +1286,9 @@ dependencies = [
[[package]] [[package]]
name = "core-foundation" name = "core-foundation"
version = "0.10.0" version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b55271e5c8c478ad3f38ad24ef34923091e0548492a266d19b3c0b4d82574c63" checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
dependencies = [ dependencies = [
"core-foundation-sys 0.8.7", "core-foundation-sys 0.8.7",
"libc", "libc",
@@ -1392,6 +1398,18 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "core-text"
version = "19.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "99d74ada66e07c1cefa18f8abfba765b486f250de2e4a999e5727fc0dd4b4a25"
dependencies = [
"core-foundation 0.9.4",
"core-graphics 0.22.3",
"foreign-types 0.3.2",
"libc",
]
[[package]] [[package]]
name = "core-video-sys" name = "core-video-sys"
version = "0.1.4" version = "0.1.4"
@@ -3809,6 +3827,15 @@ dependencies = [
"unicode-segmentation", "unicode-segmentation",
] ]
[[package]]
name = "kurbo"
version = "0.9.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bd85a5776cd9500c2e2059c8c76c3b01528566b7fcbaf8098b55a33fc298849b"
dependencies = [
"arrayvec",
]
[[package]] [[package]]
name = "lazy_static" name = "lazy_static"
version = "1.5.0" version = "1.5.0"
@@ -4108,6 +4135,12 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "matches"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5"
[[package]] [[package]]
name = "md5" name = "md5"
version = "0.7.0" version = "0.7.0"
@@ -5289,6 +5322,31 @@ dependencies = [
"siphasher 1.0.1", "siphasher 1.0.1",
] ]
[[package]]
name = "piet"
version = "0.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e381186490a3e2017a506d62b759ea8eaf4be14666b13ed53973e8ae193451b1"
dependencies = [
"kurbo",
"unic-bidi",
]
[[package]]
name = "piet-coregraphics"
version = "0.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a819b41d2ddb1d8abf3e45e49422f866cba281b4abb5e2fb948bba06e2c3d3f7"
dependencies = [
"associative-cache",
"core-foundation 0.9.4",
"core-foundation-sys 0.8.7",
"core-graphics 0.22.3",
"core-text",
"foreign-types 0.3.2",
"piet",
]
[[package]] [[package]]
name = "pin-project" name = "pin-project"
version = "1.1.5" version = "1.1.5"
@@ -6269,6 +6327,7 @@ dependencies = [
"flutter_rust_bridge", "flutter_rust_bridge",
"fon", "fon",
"fontdb", "fontdb",
"foreign-types 0.3.2",
"fruitbasket", "fruitbasket",
"gtk", "gtk",
"hbb_common", "hbb_common",
@@ -6295,6 +6354,8 @@ dependencies = [
"pam", "pam",
"parity-tokio-ipc", "parity-tokio-ipc",
"percent-encoding", "percent-encoding",
"piet",
"piet-coregraphics",
"portable-pty", "portable-pty",
"qrcode-generator", "qrcode-generator",
"rdev", "rdev",
@@ -6449,7 +6510,7 @@ version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4a5467026f437b4cb2a533865eaa73eb840019a0916f4b9ec563c6e617e086c9" checksum = "4a5467026f437b4cb2a533865eaa73eb840019a0916f4b9ec563c6e617e086c9"
dependencies = [ dependencies = [
"core-foundation 0.10.0", "core-foundation 0.10.1",
"core-foundation-sys 0.8.7", "core-foundation-sys 0.8.7",
"jni", "jni",
"log", "log",
@@ -6596,7 +6657,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "271720403f46ca04f7ba6f55d438f8bd878d6b8ca0a1046e8228c4145bcbb316" checksum = "271720403f46ca04f7ba6f55d438f8bd878d6b8ca0a1046e8228c4145bcbb316"
dependencies = [ dependencies = [
"bitflags 2.9.1", "bitflags 2.9.1",
"core-foundation 0.10.0", "core-foundation 0.10.1",
"core-foundation-sys 0.8.7", "core-foundation-sys 0.8.7",
"libc", "libc",
"security-framework-sys", "security-framework-sys",
@@ -6879,9 +6940,9 @@ dependencies = [
[[package]] [[package]]
name = "smallvec" name = "smallvec"
version = "1.13.2" version = "1.15.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67" checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
[[package]] [[package]]
name = "socket2" name = "socket2"
@@ -7979,6 +8040,57 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "unic-bidi"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1356b759fb6a82050666f11dce4b6fe3571781f1449f3ef78074e408d468ec09"
dependencies = [
"matches",
"unic-ucd-bidi",
]
[[package]]
name = "unic-char-property"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a8c57a407d9b6fa02b4795eb81c5b6652060a15a7903ea981f3d723e6c0be221"
dependencies = [
"unic-char-range",
]
[[package]]
name = "unic-char-range"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0398022d5f700414f6b899e10b8348231abf9173fa93144cbc1a43b9793c1fbc"
[[package]]
name = "unic-common"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "80d7ff825a6a654ee85a63e80f92f054f904f21e7d12da4e22f9834a4aaa35bc"
[[package]]
name = "unic-ucd-bidi"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d1d568b51222484e1f8209ce48caa6b430bf352962b877d592c29ab31fb53d8c"
dependencies = [
"unic-char-property",
"unic-char-range",
"unic-ucd-version",
]
[[package]]
name = "unic-ucd-version"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "96bd2f2237fe450fcd0a1d2f5f4e91711124f7857ba2e964247776ebeeb7b0c4"
dependencies = [
"unic-common",
]
[[package]] [[package]]
name = "unicode-bidi" name = "unicode-bidi"
version = "0.3.15" version = "0.3.15"

4
Cargo.toml
View File

@@ -149,6 +149,10 @@ core-graphics = "0.22"
include_dir = "0.7" include_dir = "0.7"
fruitbasket = "0.10" fruitbasket = "0.10"
objc_id = "0.1" objc_id = "0.1"
# If we use piet "0.7" here, we must also update core-graphics to "0.24".
piet = "0.6"
piet-coregraphics = "0.6"
foreign-types = "0.3"
[target.'cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))'.dependencies] [target.'cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))'.dependencies]
tray-icon = { git = "https://github.com/tauri-apps/tray-icon" } tray-icon = { git = "https://github.com/tauri-apps/tray-icon" }

4
flutter/lib/desktop/widgets/remote_toolbar.dart
View File

@@ -1593,7 +1593,9 @@ class _KeyboardMenu extends StatelessWidget {
inputSource(), inputSource(),
Divider(), Divider(),
viewMode(), viewMode(),
if (pi.platform == kPeerPlatformWindows) showMyCursor(), if (pi.platform == kPeerPlatformWindows ||
pi.platform == kPeerPlatformMacOS)
showMyCursor(),
Divider(), Divider(),
...toolbarToggles(), ...toolbarToggles(),
...mouseSpeed(), ...mouseSpeed(),

2
src/core_main.rs
View File

@@ -575,7 +575,7 @@ pub fn core_main() -> Option<Vec<String>> {
} }
return None; return None;
} else if args[0] == "--whiteboard" { } else if args[0] == "--whiteboard" {
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
{ {
crate::whiteboard::run(); crate::whiteboard::run();
} }

2
src/ipc.rs
View File

@@ -289,7 +289,7 @@ pub enum Data {
#[cfg(target_os = "windows")] #[cfg(target_os = "windows")]
PortForwardSessionCount(Option<usize>), PortForwardSessionCount(Option<usize>),
SocksWs(Option<Box<(Option<config::Socks5Server>, String)>>), SocksWs(Option<Box<(Option<config::Socks5Server>, String)>>),
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
Whiteboard((String, crate::whiteboard::CustomEvent)), Whiteboard((String, crate::whiteboard::CustomEvent)),
} }

2
src/lib.rs
View File

@@ -55,7 +55,7 @@ pub mod plugin;
#[cfg(not(any(target_os = "android", target_os = "ios")))] #[cfg(not(any(target_os = "android", target_os = "ios")))]
mod tray; mod tray;
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
mod whiteboard; mod whiteboard;
#[cfg(not(any(target_os = "android", target_os = "ios")))] #[cfg(not(any(target_os = "android", target_os = "ios")))]

2
src/platform/macos.rs
View File

@@ -780,7 +780,7 @@ pgrep -x 'RustDesk' | grep -v {} | xargs kill -9 && rm -rf /Applications/RustDes
Ok(()) Ok(())
} }
pub fn update_to(file: &str) -> ResultType<()> { pub fn update_to(_file: &str) -> ResultType<()> {
update_extracted(UPDATE_TEMP_DIR)?; update_extracted(UPDATE_TEMP_DIR)?;
Ok(()) Ok(())
} }

12
src/server/connection.rs
View File

@@ -3697,13 +3697,17 @@ impl Connection {
self.update_terminal_persistence(q == BoolOption::Yes).await; self.update_terminal_persistence(q == BoolOption::Yes).await;
} }
} }
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
if let Ok(q) = o.show_my_cursor.enum_value() { if let Ok(q) = o.show_my_cursor.enum_value() {
if q != BoolOption::NotSet { if q != BoolOption::NotSet {
use crate::whiteboard; use crate::whiteboard;
self.show_my_cursor = q == BoolOption::Yes; self.show_my_cursor = q == BoolOption::Yes;
#[cfg(target_os = "windows")]
let is_win10_or_greater = crate::platform::windows::is_win_10_or_greater();
#[cfg(not(target_os = "windows"))]
let is_win10_or_greater = false;
if q == BoolOption::Yes { if q == BoolOption::Yes {
if crate::platform::windows::is_win_10_or_greater() { if !cfg!(target_os = "windows") || is_win10_or_greater {
whiteboard::register_whiteboard(whiteboard::get_key_cursor(self.inner.id)); whiteboard::register_whiteboard(whiteboard::get_key_cursor(self.inner.id));
} else { } else {
let mut msg_out = Message::new(); let mut msg_out = Message::new();
@@ -3718,7 +3722,7 @@ impl Connection {
self.send(msg_out).await; self.send(msg_out).await;
} }
} else { } else {
if crate::platform::windows::is_win_10_or_greater() { if !cfg!(target_os = "windows") || is_win10_or_greater {
whiteboard::unregister_whiteboard(whiteboard::get_key_cursor( whiteboard::unregister_whiteboard(whiteboard::get_key_cursor(
self.inner.id, self.inner.id,
)); ));
@@ -4878,7 +4882,7 @@ mod raii {
scrap::wayland::pipewire::try_close_session(); scrap::wayland::pipewire::try_close_session();
} }
Self::check_wake_lock(); Self::check_wake_lock();
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
{ {
use crate::whiteboard; use crate::whiteboard;
whiteboard::unregister_whiteboard(whiteboard::get_key_cursor(self.0)); whiteboard::unregister_whiteboard(whiteboard::get_key_cursor(self.0));

7
src/server/input_service.rs
View File

@@ -2,7 +2,7 @@
use super::rdp_input::client::{RdpInputKeyboard, RdpInputMouse}; use super::rdp_input::client::{RdpInputKeyboard, RdpInputMouse};
use super::*; use super::*;
use crate::input::*; use crate::input::*;
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
use crate::whiteboard; use crate::whiteboard;
#[cfg(target_os = "macos")] #[cfg(target_os = "macos")]
use dispatch::Queue; use dispatch::Queue;
@@ -204,6 +204,7 @@ impl LockModesHandler {
} }
let mut num_lock_changed = false; let mut num_lock_changed = false;
#[allow(unused)]
let mut event_num_enabled = false; let mut event_num_enabled = false;
if is_numpad_key { if is_numpad_key {
let local_num_enabled = en.get_key_state(enigo::Key::NumLock); let local_num_enabled = en.get_key_state(enigo::Key::NumLock);
@@ -999,7 +1000,7 @@ pub fn handle_mouse_(
if simulate { if simulate {
handle_mouse_simulation_(evt, conn); handle_mouse_simulation_(evt, conn);
} }
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
if _show_cursor { if _show_cursor {
handle_mouse_show_cursor_(evt, conn, username, argb); handle_mouse_show_cursor_(evt, conn, username, argb);
} }
@@ -1148,7 +1149,7 @@ pub fn handle_mouse_simulation_(evt: &MouseEvent, conn: i32) {
} }
} }
#[cfg(target_os = "windows")] #[cfg(any(target_os = "windows", target_os = "macos"))]
pub fn handle_mouse_show_cursor_(evt: &MouseEvent, conn: i32, username: String, argb: u32) { pub fn handle_mouse_show_cursor_(evt: &MouseEvent, conn: i32, username: String, argb: u32) {
let buttons = evt.mask >> 3; let buttons = evt.mask >> 3;
let evt_type = evt.mask & 0x7; let evt_type = evt.mask & 0x7;

258
src/whiteboard/client.rs Normal file
View File

@@ -0,0 +1,258 @@
use super::{Cursor, CustomEvent};
use crate::{
ipc::{self, Data},
CHILD_PROCESS,
};
use hbb_common::{
allow_err,
anyhow::anyhow,
bail, log, sleep,
tokio::{
self,
sync::mpsc::{unbounded_channel, UnboundedSender},
time::interval_at,
},
ResultType,
};
use lazy_static::lazy_static;
use std::{collections::HashMap, sync::RwLock, time::Instant};
lazy_static! {
static ref TX_WHITEBOARD: RwLock<Option<UnboundedSender<(String, CustomEvent)>>> =
RwLock::new(None);
static ref CONNS: RwLock<HashMap<String, Conn>> = Default::default();
}
struct Conn {
last_cursor_pos: (f32, f32), // For click ripple
last_cursor_evt: LastCursorEvent,
}
struct LastCursorEvent {
evt: Option<CustomEvent>,
tm: Instant,
c: usize,
}
#[inline]
pub fn get_key_cursor(conn_id: i32) -> String {
format!("{}-cursor", conn_id)
}
pub fn register_whiteboard(k: String) {
std::thread::spawn(|| {
allow_err!(start_whiteboard_());
});
let mut conns = CONNS.write().unwrap();
if !conns.contains_key(&k) {
conns.insert(
k,
Conn {
last_cursor_pos: (0.0, 0.0),
last_cursor_evt: LastCursorEvent {
evt: None,
tm: Instant::now(),
c: 0,
},
},
);
}
}
pub fn unregister_whiteboard(k: String) {
let mut conns = CONNS.write().unwrap();
conns.remove(&k);
let is_conns_empty = conns.is_empty();
drop(conns);
TX_WHITEBOARD.read().unwrap().as_ref().map(|tx| {
allow_err!(tx.send((k, CustomEvent::Clear)));
});
if is_conns_empty {
std::thread::spawn(|| {
let mut whiteboard = TX_WHITEBOARD.write().unwrap();
whiteboard.as_ref().map(|tx| {
allow_err!(tx.send(("".to_string(), CustomEvent::Exit)));
// Simple sleep to wait the whiteboard process exiting.
std::thread::sleep(std::time::Duration::from_millis(3_00));
});
whiteboard.take();
});
}
}
pub fn update_whiteboard(k: String, e: CustomEvent) {
let mut conns = CONNS.write().unwrap();
let Some(conn) = conns.get_mut(&k) else {
return;
};
match &e {
CustomEvent::Cursor(cursor) => {
conn.last_cursor_evt.c += 1;
conn.last_cursor_evt.tm = Instant::now();
if cursor.btns == 0 {
// Send one movement event every 4.
if conn.last_cursor_evt.c > 3 {
conn.last_cursor_evt.c = 0;
conn.last_cursor_evt.evt = None;
tx_send_event(conn, k, e);
} else {
conn.last_cursor_evt.evt = Some(e);
}
} else {
if let Some(evt) = conn.last_cursor_evt.evt.take() {
tx_send_event(conn, k.clone(), evt);
conn.last_cursor_evt.c = 0;
}
let click_evt = CustomEvent::Cursor(Cursor {
x: conn.last_cursor_pos.0,
y: conn.last_cursor_pos.1,
argb: cursor.argb,
btns: cursor.btns,
text: cursor.text.clone(),
});
tx_send_event(conn, k, click_evt);
}
}
_ => {
tx_send_event(conn, k, e);
}
}
}
#[inline]
fn tx_send_event(conn: &mut Conn, k: String, event: CustomEvent) {
if let CustomEvent::Cursor(cursor) = &event {
if cursor.btns == 0 {
conn.last_cursor_pos = (cursor.x, cursor.y);
}
}
TX_WHITEBOARD.read().unwrap().as_ref().map(|tx| {
allow_err!(tx.send((k, event)));
});
}
#[tokio::main(flavor = "current_thread")]
async fn start_whiteboard_() -> ResultType<()> {
let mut tx_whiteboard = TX_WHITEBOARD.write().unwrap();
if tx_whiteboard.is_some() {
log::warn!("Whiteboard already started");
return Ok(());
}
loop {
if !crate::platform::is_prelogin() {
break;
}
sleep(1.).await;
}
let mut stream = None;
if let Ok(s) = ipc::connect(1000, "_whiteboard").await {
stream = Some(s);
} else {
#[allow(unused_mut)]
#[allow(unused_assignments)]
let mut args = vec!["--whiteboard"];
#[allow(unused_mut)]
#[cfg(target_os = "linux")]
let mut user = None;
let run_done;
if crate::platform::is_root() {
let mut res = Ok(None);
for _ in 0..10 {
#[cfg(not(any(target_os = "linux")))]
{
log::debug!("Start whiteboard");
res = crate::platform::run_as_user(args.clone());
}
#[cfg(target_os = "linux")]
{
log::debug!("Start whiteboard");
res = crate::platform::run_as_user(
args.clone(),
user.clone(),
None::<(&str, &str)>,
);
}
if res.is_ok() {
break;
}
log::error!("Failed to run whiteboard: {res:?}");
sleep(1.).await;
}
if let Some(task) = res? {
CHILD_PROCESS.lock().unwrap().push(task);
}
run_done = true;
} else {
run_done = false;
}
if !run_done {
log::debug!("Start whiteboard");
CHILD_PROCESS.lock().unwrap().push(crate::run_me(args)?);
}
for _ in 0..20 {
sleep(0.3).await;
if let Ok(s) = ipc::connect(1000, "_whiteboard").await {
stream = Some(s);
break;
}
}
if stream.is_none() {
bail!("Failed to connect to connection manager");
}
}
let mut stream = stream.ok_or(anyhow!("none stream"))?;
let (tx, mut rx) = unbounded_channel();
tx_whiteboard.replace(tx);
drop(tx_whiteboard);
let _call_on_ret = crate::common::SimpleCallOnReturn {
b: true,
f: Box::new(move || {
let _ = TX_WHITEBOARD.write().unwrap().take();
}),
};
let dur = tokio::time::Duration::from_millis(300);
let mut timer = interval_at(tokio::time::Instant::now() + dur, dur);
timer.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
loop {
tokio::select! {
res = rx.recv() => {
match res {
Some(data) => {
if matches!(data.1, CustomEvent::Exit) {
break;
} else {
allow_err!(stream.send(&Data::Whiteboard(data)).await);
timer.reset();
}
}
None => {
bail!("expected");
}
}
},
_ = timer.tick() => {
let mut conns = CONNS.write().unwrap();
for (k, conn) in conns.iter_mut() {
if conn.last_cursor_evt.tm.elapsed().as_millis() > 300 {
if let Some(evt) = conn.last_cursor_evt.evt.take() {
allow_err!(stream.send(&Data::Whiteboard((k.clone(), evt))).await);
conn.last_cursor_evt.c = 0;
}
}
}
}
}
}
allow_err!(
stream
.send(&Data::Whiteboard(("".to_string(), CustomEvent::Exit)))
.await
);
Ok(())
}

234
src/whiteboard/macos.rs Normal file
View File

@@ -0,0 +1,234 @@
use super::{server::EVENT_PROXY, Cursor, CustomEvent};
use core_graphics::context::CGContextRef;
use foreign_types::ForeignTypeRef;
use hbb_common::{bail, log, ResultType};
use objc::{class, msg_send, runtime::Object, sel, sel_impl};
use piet::{kurbo::BezPath, RenderContext};
use piet_coregraphics::CoreGraphicsContext;
use std::{collections::HashMap, sync::Arc, time::Instant};
use tao::{
dpi::{PhysicalPosition, PhysicalSize},
event::{Event, StartCause, WindowEvent},
event_loop::{ControlFlow, EventLoopBuilder},
rwh_06::{HasWindowHandle, RawWindowHandle},
window::{Window, WindowBuilder},
};
const MAXIMUM_WINDOW_LEVEL: i64 = 2147483647;
#[repr(C)]
#[derive(Debug, Copy, Clone)]
struct NSRect {
origin: NSPoint,
size: NSSize,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
struct NSPoint {
x: f64,
y: f64,
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
struct NSSize {
width: f64,
height: f64,
}
fn set_window_properties(window: &Arc<Window>) -> ResultType<()> {
let handle = window.window_handle()?;
if let RawWindowHandle::AppKit(appkit_handle) = handle.as_raw() {
unsafe {
let ns_view = appkit_handle.ns_view.as_ptr() as *mut Object;
if ns_view.is_null() {
bail!("Ns view of the window handle is null.");
}
let ns_window: *mut Object = msg_send![ns_view, window];
if ns_window.is_null() {
bail!("Ns window of the ns view is null.");
}
let _: () = msg_send![ns_window, setOpaque: false];
let _: () = msg_send![ns_window, setLevel: MAXIMUM_WINDOW_LEVEL];
// NSWindowCollectionBehaviorCanJoinAllSpaces | NSWindowCollectionBehaviorIgnoresCycle
let _: () = msg_send![ns_window, setCollectionBehavior: 5];
let current_style_mask: u64 = msg_send![ns_window, styleMask];
// NSWindowStyleMaskNonactivatingPanel
let new_style_mask = current_style_mask | (1 << 7);
let _: () = msg_send![ns_window, setStyleMask: new_style_mask];
let ns_screen_class = class!(NSScreen);
let main_screen: *mut Object = msg_send![ns_screen_class, mainScreen];
let screen_frame: NSRect = msg_send![main_screen, frame];
let _: () = msg_send![ns_window, setFrame: screen_frame display: true];
let ns_color_class = class!(NSColor);
let clear_color: *mut Object = msg_send![ns_color_class, clearColor];
let _: () = msg_send![ns_window, setBackgroundColor: clear_color];
let _: () = msg_send![ns_window, setIgnoresMouseEvents: true];
}
}
Ok(())
}
pub(super) fn create_event_loop() -> ResultType<()> {
crate::platform::hide_dock();
let event_loop = EventLoopBuilder::<(String, CustomEvent)>::with_user_event().build();
let mut window_builder = WindowBuilder::new()
.with_title("RustDesk whiteboard")
.with_transparent(true)
.with_decorations(false);
let (x, y, w, h) = super::server::get_displays_rect()?;
if w > 0 && h > 0 {
window_builder = window_builder
.with_position(PhysicalPosition::new(x, y))
.with_inner_size(PhysicalSize::new(w, h));
} else {
bail!("No valid display found, wxh: {}x{}", w, h);
}
let window = Arc::new(window_builder.build::<(String, CustomEvent)>(&event_loop)?);
set_window_properties(&window)?;
let proxy = event_loop.create_proxy();
EVENT_PROXY.write().unwrap().replace(proxy);
let _call_on_ret = crate::common::SimpleCallOnReturn {
b: true,
f: Box::new(move || {
let _ = EVENT_PROXY.write().unwrap().take();
}),
};
// to-do: The scale factor may not be correct.
// There may be multiple monitors with different scale factors.
// But we only have one window, and one scale factor.
let mut scale_factor = window.scale_factor();
if scale_factor == 0.0 {
scale_factor = 1.0;
}
let physical_size = window.inner_size();
let logical_size = physical_size.to_logical::<f64>(scale_factor);
struct Ripple {
x: f64,
y: f64,
start_time: Instant,
}
let mut ripples: Vec<Ripple> = Vec::new();
let mut last_cursors: HashMap<String, Cursor> = HashMap::new();
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Poll;
match event {
Event::NewEvents(StartCause::Init) => {
window.set_outer_position(PhysicalPosition::new(0, 0));
window.request_redraw();
crate::platform::hide_dock();
}
Event::WindowEvent { event, .. } => match event {
WindowEvent::CloseRequested => {
*control_flow = ControlFlow::Exit;
}
_ => {}
},
Event::RedrawRequested(_) => {
if let Ok(handle) = window.window_handle() {
if let RawWindowHandle::AppKit(appkit_handle) = handle.as_raw() {
unsafe {
let ns_view = appkit_handle.ns_view.as_ptr() as *mut Object;
let current_context: *mut Object =
msg_send![class!(NSGraphicsContext), currentContext];
if !current_context.is_null() {
let cg_context_ptr: *mut std::ffi::c_void =
msg_send![current_context, CGContext];
if !cg_context_ptr.is_null() {
let cg_context_ref =
CGContextRef::from_ptr_mut(cg_context_ptr as *mut _);
let mut context = CoreGraphicsContext::new_y_up(
cg_context_ref,
logical_size.height,
None,
);
context.clear(None, piet::Color::TRANSPARENT);
let ripple_duration = std::time::Duration::from_millis(500);
ripples.retain_mut(|ripple| {
let elapsed = ripple.start_time.elapsed();
let progress =
elapsed.as_secs_f64() / ripple_duration.as_secs_f64();
let radius = 45.0 * progress / scale_factor;
let alpha = 1.0 - progress;
if alpha > 0.0 {
let color = piet::Color::rgba(1.0, 0.5, 0.5, alpha);
let circle = piet::kurbo::Circle::new(
(ripple.x / scale_factor, ripple.y / scale_factor),
radius,
);
context.stroke(circle, &color, 2.0);
true
} else {
false
}
});
for cursor in last_cursors.values() {
let (x, y) = (
cursor.x as f64 / scale_factor,
cursor.y as f64 / scale_factor,
);
let size = 1.0;
let mut pb = BezPath::new();
pb.move_to((x, y));
pb.line_to((x, y + 16.0 * size));
pb.line_to((x + 4.0 * size, y + 13.0 * size));
pb.line_to((x + 7.0 * size, y + 20.0 * size));
pb.line_to((x + 9.0 * size, y + 19.0 * size));
pb.line_to((x + 6.0 * size, y + 12.0 * size));
pb.line_to((x + 11.0 * size, y + 12.0 * size));
let color = piet::Color::rgba8(
(cursor.argb >> 16 & 0xFF) as u8,
(cursor.argb >> 8 & 0xFF) as u8,
(cursor.argb & 0xFF) as u8,
(cursor.argb >> 24 & 0xFF) as u8,
);
context.fill(pb, &color);
}
if let Err(e) = context.finish() {
log::error!("Failed to draw cursor: {}", e);
}
} else {
log::warn!("CGContext is null");
}
}
let _: () = msg_send![ns_view, setNeedsDisplay:true];
}
}
}
}
Event::MainEventsCleared => {
window.request_redraw();
}
Event::UserEvent((k, evt)) => match evt {
CustomEvent::Cursor(cursor) => {
if cursor.btns != 0 {
ripples.push(Ripple {
x: cursor.x as _,
y: cursor.y as _,
start_time: Instant::now(),
});
}
last_cursors.insert(k, cursor);
window.request_redraw();
}
CustomEvent::Exit => {
*control_flow = ControlFlow::Exit;
}
_ => {}
},
_ => (),
}
});
}

35
src/whiteboard/mod.rs Normal file
View File

@@ -0,0 +1,35 @@
use serde_derive::{Deserialize, Serialize};
mod client;
mod server;
#[cfg(target_os = "windows")]
mod windows;
#[cfg(target_os = "macos")]
mod macos;
#[cfg(target_os = "windows")]
use windows::create_event_loop;
#[cfg(target_os = "macos")]
use macos::create_event_loop;
pub use client::*;
pub use server::*;
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(tag = "t", content = "c")]
pub enum CustomEvent {
Cursor(Cursor),
Clear,
Exit,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(tag = "t")]
pub struct Cursor {
pub x: f32,
pub y: f32,
pub argb: u32,
pub btns: i32,
pub text: String,
}

120
src/whiteboard/server.rs Normal file
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@@ -0,0 +1,120 @@
use super::{create_event_loop, CustomEvent};
use crate::ipc::{new_listener, Connection, Data};
use hbb_common::{
allow_err, log,
tokio::{
self,
sync::mpsc::{unbounded_channel, UnboundedReceiver},
},
ResultType,
};
use lazy_static::lazy_static;
use std::sync::RwLock;
use tao::event_loop::EventLoopProxy;
lazy_static! {
pub(super) static ref EVENT_PROXY: RwLock<Option<EventLoopProxy<(String, CustomEvent)>>> =
RwLock::new(None);
}
pub fn run() {
let (tx_exit, rx_exit) = unbounded_channel();
std::thread::spawn(move || {
start_ipc(rx_exit);
});
if let Err(e) = create_event_loop() {
log::error!("Failed to create event loop: {}", e);
tx_exit.send(()).ok();
return;
}
}
#[tokio::main(flavor = "current_thread")]
async fn start_ipc(mut rx_exit: UnboundedReceiver<()>) {
match new_listener("_whiteboard").await {
Ok(mut incoming) => loop {
tokio::select! {
_ = rx_exit.recv() => {
log::info!("Exiting IPC");
break;
}
res = incoming.next() => match res {
Some(result) => match result {
Ok(stream) => {
log::debug!("Got new connection");
tokio::spawn(handle_new_stream(Connection::new(stream)));
}
Err(err) => {
log::error!("Couldn't get whiteboard client: {:?}", err);
}
},
None => {
log::error!("Failed to get whiteboard client");
}
}
}
},
Err(err) => {
log::error!("Failed to start whiteboard ipc server: {}", err);
}
}
}
async fn handle_new_stream(mut conn: Connection) {
loop {
tokio::select! {
res = conn.next() => {
match res {
Err(err) => {
log::info!("whiteboard ipc connection closed: {}", err);
break;
}
Ok(Some(data)) => {
match data {
Data::Whiteboard((k, evt)) => {
if matches!(evt, CustomEvent::Exit) {
log::info!("whiteboard ipc connection closed");
break;
} else {
EVENT_PROXY.read().unwrap().as_ref().map(|ep| {
allow_err!(ep.send_event((k, evt)));
});
}
}
_ => {
}
}
}
Ok(None) => {
log::info!("whiteboard ipc connection closed");
break;
}
}
}
}
}
EVENT_PROXY.read().unwrap().as_ref().map(|ep| {
allow_err!(ep.send_event(("".to_string(), CustomEvent::Exit)));
});
}
pub(super) fn get_displays_rect() -> ResultType<(i32, i32, u32, u32)> {
let displays = crate::server::display_service::try_get_displays()?;
let mut min_x = i32::MAX;
let mut min_y = i32::MAX;
let mut max_x = i32::MIN;
let mut max_y = i32::MIN;
for display in displays {
let (x, y) = (display.origin().0 as i32, display.origin().1 as i32);
let (w, h) = (display.width() as i32, display.height() as i32);
min_x = min_x.min(x);
min_y = min_y.min(y);
max_x = max_x.max(x + w);
max_y = max_y.max(y + h);
}
let (x, y) = (min_x, min_y);
let (w, h) = ((max_x - min_x) as u32, (max_y - min_y) as u32);
Ok((x, y, w, h))
}

399
src/whiteboard.rs → src/whiteboard/windows.rs
View File

@@ -1,73 +1,20 @@
use crate::ipc::{self, new_listener, Connection, Data}; use super::{server::EVENT_PROXY, Cursor, CustomEvent};
use hbb_common::{ use hbb_common::{anyhow::anyhow, bail, log, ResultType};
allow_err,
anyhow::anyhow,
bail, log, sleep,
tokio::{
self,
sync::mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender},
time::interval_at,
},
ResultType,
};
use lazy_static::lazy_static;
use serde_derive::{Deserialize, Serialize};
use softbuffer::{Context, Surface}; use softbuffer::{Context, Surface};
use std::{ use std::{collections::HashMap, num::NonZeroU32, sync::Arc, time::Instant};
collections::HashMap,
num::NonZeroU32,
sync::{Arc, RwLock},
time::Instant,
};
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
use tao::platform::unix::WindowBuilderExtUnix; use tao::platform::unix::WindowBuilderExtUnix;
#[cfg(target_os = "windows")] #[cfg(target_os = "windows")]
use tao::platform::windows::WindowBuilderExtWindows; use tao::platform::windows::WindowBuilderExtWindows;
use tao::{ use tao::{
dpi::{PhysicalPosition, PhysicalSize},
event::{Event, WindowEvent}, event::{Event, WindowEvent},
event_loop::{ControlFlow, EventLoopBuilder, EventLoopProxy}, event_loop::{ControlFlow, EventLoopBuilder},
window::WindowBuilder, window::WindowBuilder,
}; };
use tiny_skia::{Color, FillRule, Paint, PathBuilder, PixmapMut, Point, Stroke, Transform}; use tiny_skia::{Color, FillRule, Paint, PathBuilder, PixmapMut, Point, Stroke, Transform};
use ttf_parser::Face; use ttf_parser::Face;
lazy_static! {
static ref EVENT_PROXY: RwLock<Option<EventLoopProxy<(String, CustomEvent)>>> =
RwLock::new(None);
static ref TX_WHITEBOARD: RwLock<Option<UnboundedSender<(String, CustomEvent)>>> =
RwLock::new(None);
static ref CONNS: RwLock<HashMap<String, Conn>> = Default::default();
}
struct Conn {
last_cursor_pos: (f32, f32), // For click ripple
last_cursor_evt: LastCursorEvent,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(tag = "t", content = "c")]
pub enum CustomEvent {
Cursor(Cursor),
Clear,
Exit,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(tag = "t")]
pub struct Cursor {
pub x: f32,
pub y: f32,
pub argb: u32,
pub btns: i32,
pub text: String,
}
struct LastCursorEvent {
evt: Option<CustomEvent>,
tm: Instant,
c: usize,
}
// A helper struct to bridge `ttf-parser` and `tiny-skia`. // A helper struct to bridge `ttf-parser` and `tiny-skia`.
struct PathBuilderWrapper<'a> { struct PathBuilderWrapper<'a> {
path_builder: &'a mut PathBuilder, path_builder: &'a mut PathBuilder,
@@ -148,314 +95,6 @@ fn draw_text(
} }
} }
#[inline]
pub fn get_key_cursor(conn_id: i32) -> String {
format!("{}-cursor", conn_id)
}
pub fn register_whiteboard(k: String) {
std::thread::spawn(|| {
allow_err!(start_whiteboard_());
});
let mut conns = CONNS.write().unwrap();
if !conns.contains_key(&k) {
conns.insert(
k,
Conn {
last_cursor_pos: (0.0, 0.0),
last_cursor_evt: LastCursorEvent {
evt: None,
tm: Instant::now(),
c: 0,
},
},
);
}
}
pub fn unregister_whiteboard(k: String) {
let mut conns = CONNS.write().unwrap();
conns.remove(&k);
let is_conns_empty = conns.is_empty();
drop(conns);
TX_WHITEBOARD.read().unwrap().as_ref().map(|tx| {
allow_err!(tx.send((k, CustomEvent::Clear)));
});
if is_conns_empty {
std::thread::spawn(|| {
let mut whiteboard = TX_WHITEBOARD.write().unwrap();
whiteboard.as_ref().map(|tx| {
allow_err!(tx.send(("".to_string(), CustomEvent::Exit)));
// Simple sleep to wait the whiteboard process exiting.
std::thread::sleep(std::time::Duration::from_millis(3_00));
});
whiteboard.take();
});
}
}
pub fn update_whiteboard(k: String, e: CustomEvent) {
let mut conns = CONNS.write().unwrap();
let Some(conn) = conns.get_mut(&k) else {
return;
};
match &e {
CustomEvent::Cursor(cursor) => {
conn.last_cursor_evt.c += 1;
conn.last_cursor_evt.tm = Instant::now();
if cursor.btns == 0 {
// Send one movement event every 4.
if conn.last_cursor_evt.c > 3 {
conn.last_cursor_evt.c = 0;
conn.last_cursor_evt.evt = None;
tx_send_event(conn, k, e);
} else {
conn.last_cursor_evt.evt = Some(e);
}
} else {
if let Some(evt) = conn.last_cursor_evt.evt.take() {
tx_send_event(conn, k.clone(), evt);
conn.last_cursor_evt.c = 0;
}
let click_evt = CustomEvent::Cursor(Cursor {
x: conn.last_cursor_pos.0,
y: conn.last_cursor_pos.1,
argb: cursor.argb,
btns: cursor.btns,
text: cursor.text.clone(),
});
tx_send_event(conn, k, click_evt);
}
}
_ => {
tx_send_event(conn, k, e);
}
}
}
#[inline]
fn tx_send_event(conn: &mut Conn, k: String, event: CustomEvent) {
if let CustomEvent::Cursor(cursor) = &event {
if cursor.btns == 0 {
conn.last_cursor_pos = (cursor.x, cursor.y);
}
}
TX_WHITEBOARD.read().unwrap().as_ref().map(|tx| {
allow_err!(tx.send((k, event)));
});
}
#[tokio::main(flavor = "current_thread")]
async fn start_whiteboard_() -> ResultType<()> {
let mut tx_whiteboard = TX_WHITEBOARD.write().unwrap();
if tx_whiteboard.is_some() {
log::warn!("Whiteboard already started");
return Ok(());
}
loop {
if !crate::platform::is_prelogin() {
break;
}
sleep(1.).await;
}
let mut stream = None;
if let Ok(s) = ipc::connect(1000, "_whiteboard").await {
stream = Some(s);
} else {
#[allow(unused_mut)]
#[allow(unused_assignments)]
let mut args = vec!["--whiteboard"];
#[allow(unused_mut)]
#[cfg(target_os = "linux")]
let mut user = None;
let run_done;
if crate::platform::is_root() {
let mut res = Ok(None);
for _ in 0..10 {
#[cfg(not(any(target_os = "linux")))]
{
log::debug!("Start whiteboard");
res = crate::platform::run_as_user(args.clone());
}
#[cfg(target_os = "linux")]
{
log::debug!("Start whiteboard");
res = crate::platform::run_as_user(
args.clone(),
user.clone(),
None::<(&str, &str)>,
);
}
if res.is_ok() {
break;
}
log::error!("Failed to run whiteboard: {res:?}");
sleep(1.).await;
}
if let Some(task) = res? {
super::CHILD_PROCESS.lock().unwrap().push(task);
}
run_done = true;
} else {
run_done = false;
}
if !run_done {
log::debug!("Start whiteboard");
super::CHILD_PROCESS
.lock()
.unwrap()
.push(crate::run_me(args)?);
}
for _ in 0..20 {
sleep(0.3).await;
if let Ok(s) = ipc::connect(1000, "_whiteboard").await {
stream = Some(s);
break;
}
}
if stream.is_none() {
bail!("Failed to connect to connection manager");
}
}
let mut stream = stream.ok_or(anyhow!("none stream"))?;
let (tx, mut rx) = unbounded_channel();
tx_whiteboard.replace(tx);
drop(tx_whiteboard);
let _call_on_ret = crate::common::SimpleCallOnReturn {
b: true,
f: Box::new(move || {
let _ = TX_WHITEBOARD.write().unwrap().take();
}),
};
let dur = tokio::time::Duration::from_millis(300);
let mut timer = interval_at(tokio::time::Instant::now() + dur, dur);
timer.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
loop {
tokio::select! {
res = rx.recv() => {
match res {
Some(data) => {
if matches!(data.1, CustomEvent::Exit) {
break;
} else {
allow_err!(stream.send(&Data::Whiteboard(data)).await);
timer.reset();
}
}
None => {
bail!("expected");
}
}
},
_ = timer.tick() => {
let mut conns = CONNS.write().unwrap();
for (k, conn) in conns.iter_mut() {
if conn.last_cursor_evt.tm.elapsed().as_millis() > 300 {
if let Some(evt) = conn.last_cursor_evt.evt.take() {
allow_err!(stream.send(&Data::Whiteboard((k.clone(), evt))).await);
conn.last_cursor_evt.c = 0;
}
}
}
}
}
}
allow_err!(
stream
.send(&Data::Whiteboard(("".to_string(), CustomEvent::Exit)))
.await
);
Ok(())
}
pub fn run() {
let (tx_exit, rx_exit) = unbounded_channel();
std::thread::spawn(move || {
start_ipc(rx_exit);
});
if let Err(e) = create_event_loop() {
log::error!("Failed to create event loop: {}", e);
tx_exit.send(()).ok();
return;
}
}
#[tokio::main(flavor = "current_thread")]
async fn start_ipc(mut rx_exit: UnboundedReceiver<()>) {
match new_listener("_whiteboard").await {
Ok(mut incoming) => loop {
tokio::select! {
_ = rx_exit.recv() => {
log::info!("Exiting IPC");
break;
}
res = incoming.next() => match res {
Some(result) => match result {
Ok(stream) => {
log::debug!("Got new connection");
tokio::spawn(handle_new_stream(Connection::new(stream)));
}
Err(err) => {
log::error!("Couldn't get whiteboard client: {:?}", err);
}
},
None => {
log::error!("Failed to get whiteboard client");
}
}
}
},
Err(err) => {
log::error!("Failed to start whiteboard ipc server: {}", err);
}
}
}
async fn handle_new_stream(mut conn: Connection) {
loop {
tokio::select! {
res = conn.next() => {
match res {
Err(err) => {
log::info!("whiteboard ipc connection closed: {}", err);
break;
}
Ok(Some(data)) => {
match data {
Data::Whiteboard((k, evt)) => {
if matches!(evt, CustomEvent::Exit) {
log::info!("whiteboard ipc connection closed");
break;
} else {
EVENT_PROXY.read().unwrap().as_ref().map(|ep| {
allow_err!(ep.send_event((k, evt)));
});
}
}
_ => {
}
}
}
Ok(None) => {
log::info!("whiteboard ipc connection closed");
break;
}
}
}
}
}
EVENT_PROXY.read().unwrap().as_ref().map(|ep| {
allow_err!(ep.send_event(("".to_string(), CustomEvent::Exit)));
});
}
fn create_font_face() -> ResultType<Face<'static>> { fn create_font_face() -> ResultType<Face<'static>> {
let mut font_db = fontdb::Database::new(); let mut font_db = fontdb::Database::new();
font_db.load_system_fonts(); font_db.load_system_fonts();
@@ -478,7 +117,7 @@ fn create_font_face() -> ResultType<Face<'static>> {
Ok(face) Ok(face)
} }
fn create_event_loop() -> ResultType<()> { pub(super) fn create_event_loop() -> ResultType<()> {
let face = match create_font_face() { let face = match create_font_face() {
Ok(face) => Some(face), Ok(face) => Some(face),
Err(err) => { Err(err) => {
@@ -492,28 +131,11 @@ fn create_event_loop() -> ResultType<()> {
.with_title("RustDesk whiteboard") .with_title("RustDesk whiteboard")
.with_transparent(true) .with_transparent(true)
.with_always_on_top(true) .with_always_on_top(true)
.with_skip_taskbar(true)
.with_decorations(false); .with_decorations(false);
use tao::dpi::{PhysicalPosition, PhysicalSize};
let mut final_size = None; let mut final_size = None;
if let Ok(displays) = crate::server::display_service::try_get_displays() { if let Ok((x, y, w, h)) = super::server::get_displays_rect() {
let mut min_x = i32::MAX;
let mut min_y = i32::MAX;
let mut max_x = i32::MIN;
let mut max_y = i32::MIN;
for display in displays {
let (x, y) = (display.origin().0 as i32, display.origin().1 as i32);
let (w, h) = (display.width() as i32, display.height() as i32);
min_x = min_x.min(x);
min_y = min_y.min(y);
max_x = max_x.max(x + w);
max_y = max_y.max(y + h);
}
let (x, y) = (min_x, min_y);
let (w, h) = ((max_x - min_x) as u32, (max_y - min_y) as u32);
if w > 0 && h > 0 { if w > 0 && h > 0 {
final_size = Some(PhysicalSize::new(w, h)); final_size = Some(PhysicalSize::new(w, h));
window_builder = window_builder window_builder = window_builder
@@ -528,11 +150,6 @@ fn create_event_loop() -> ResultType<()> {
window_builder.with_fullscreen(Some(tao::window::Fullscreen::Borderless(None))); window_builder.with_fullscreen(Some(tao::window::Fullscreen::Borderless(None)));
} }
#[cfg(any(target_os = "windows", target_os = "linux"))]
{
window_builder = window_builder.with_skip_taskbar(true);
}
let window = Arc::new(window_builder.build::<(String, CustomEvent)>(&event_loop)?); let window = Arc::new(window_builder.build::<(String, CustomEvent)>(&event_loop)?);
window.set_ignore_cursor_events(true)?; window.set_ignore_cursor_events(true)?;