@@ -31,17 +31,19 @@ xcb::atoms_struct! {
}
}
-pub(crate) struct LinuxPlatform(Mutex<LinuxPlatformState>);
-
-pub(crate) struct LinuxPlatformState {
+pub(crate) struct LinuxPlatform {
xcb_connection: Arc<xcb::Connection>,
x_root_index: i32,
atoms: XcbAtoms,
background_executor: BackgroundExecutor,
foreground_executor: ForegroundExecutor,
dispatcher: Arc<LinuxDispatcher>,
- windows: HashMap<x::Window, Arc<LinuxWindowState>>,
text_system: Arc<LinuxTextSystem>,
+ state: Mutex<LinuxPlatformState>,
+}
+
+pub(crate) struct LinuxPlatformState {
+ windows: HashMap<x::Window, Arc<LinuxWindowState>>,
}
impl Default for LinuxPlatform {
@@ -57,52 +59,58 @@ impl LinuxPlatform {
let dispatcher = Arc::new(LinuxDispatcher::new());
- Self(Mutex::new(LinuxPlatformState {
+ Self {
xcb_connection: Arc::new(xcb_connection),
x_root_index,
atoms,
background_executor: BackgroundExecutor::new(dispatcher.clone()),
foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
dispatcher,
- windows: HashMap::default(),
text_system: Arc::new(LinuxTextSystem::new()),
- }))
+ state: Mutex::new(LinuxPlatformState {
+ windows: HashMap::default(),
+ }),
+ }
}
}
impl Platform for LinuxPlatform {
fn background_executor(&self) -> BackgroundExecutor {
- self.0.lock().background_executor.clone()
+ self.background_executor.clone()
}
- fn foreground_executor(&self) -> crate::ForegroundExecutor {
- self.0.lock().foreground_executor.clone()
+ fn foreground_executor(&self) -> ForegroundExecutor {
+ self.foreground_executor.clone()
}
fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
- self.0.lock().text_system.clone()
+ self.text_system.clone()
}
fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
on_finish_launching();
+ //Note: here and below, don't keep the lock() open when calling
+ // into window functions as they may invoke callbacks that need
+ // to immediately access the platform (self).
- while !self.0.lock().windows.is_empty() {
- let event = self.0.lock().xcb_connection.wait_for_event().unwrap();
+ while !self.state.lock().windows.is_empty() {
+ let event = self.xcb_connection.wait_for_event().unwrap();
match event {
xcb::Event::X(x::Event::ClientMessage(ev)) => {
if let x::ClientMessageData::Data32([atom, ..]) = ev.data() {
- let mut this = self.0.lock();
- if atom == this.atoms.wm_del_window.resource_id() {
+ if atom == self.atoms.wm_del_window.resource_id() {
// window "x" button clicked by user, we gracefully exit
- let window = this.windows.remove(&ev.window()).unwrap();
+ let window = self.state.lock().windows.remove(&ev.window()).unwrap();
window.destroy();
- break;
}
}
}
xcb::Event::X(x::Event::Expose(ev)) => {
- let this = self.0.lock();
- this.windows[&ev.window()].expose();
+ let window = {
+ let state = self.state.lock();
+ Arc::clone(&state.windows[&ev.window()])
+ };
+ window.expose();
}
xcb::Event::X(x::Event::ConfigureNotify(ev)) => {
let bounds = Bounds {
@@ -115,12 +123,17 @@ impl Platform for LinuxPlatform {
height: ev.height().into(),
},
};
- let this = self.0.lock();
- this.windows[&ev.window()].configure(bounds);
+ let window = {
+ let state = self.state.lock();
+ Arc::clone(&state.windows[&ev.window()])
+ };
+ window.configure(bounds)
+ }
+ ref other => {
+ println!("Other event {:?}", other);
}
- _ => {}
}
- self.0.lock().dispatcher.tick_main();
+ self.dispatcher.tick_main();
}
}
@@ -137,22 +150,20 @@ impl Platform for LinuxPlatform {
fn unhide_other_apps(&self) {}
fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
- let this = self.0.lock();
- let setup = this.xcb_connection.get_setup();
+ let setup = self.xcb_connection.get_setup();
setup
.roots()
.enumerate()
.map(|(root_id, _)| {
- Rc::new(LinuxDisplay::new(&this.xcb_connection, root_id as i32))
+ Rc::new(LinuxDisplay::new(&self.xcb_connection, root_id as i32))
as Rc<dyn PlatformDisplay>
})
.collect()
}
fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
- let this = self.0.lock();
Some(Rc::new(LinuxDisplay::new(
- &this.xcb_connection,
+ &self.xcb_connection,
id.0 as i32,
)))
}
@@ -166,17 +177,19 @@ impl Platform for LinuxPlatform {
handle: AnyWindowHandle,
options: WindowOptions,
) -> Box<dyn PlatformWindow> {
- let mut this = self.0.lock();
- let x_window = this.xcb_connection.generate_id();
+ let x_window = self.xcb_connection.generate_id();
let window_ptr = Arc::new(LinuxWindowState::new(
options,
- &this.xcb_connection,
- this.x_root_index,
+ &self.xcb_connection,
+ self.x_root_index,
x_window,
- &this.atoms,
+ &self.atoms,
));
- this.windows.insert(x_window, Arc::clone(&window_ptr));
+ self.state
+ .lock()
+ .windows
+ .insert(x_window, Arc::clone(&window_ptr));
Box::new(LinuxWindow(window_ptr))
}