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linux: hook up render event, basic renderer command buffer

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This commit is contained in:
Dzmitry Malyshau 2024-01-28 23:30:19 -08:00
parent 7f8c64aa6c
commit 74fde5967b
3 changed files with 129 additions and 52 deletions
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70
crates/gpui/src/platform/linux/platform.rs
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@ -85,44 +85,46 @@ impl Platform for LinuxPlatform {
fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
on_finish_launching();
let mut need_repaint = HashSet::<x::Window>::default();
while !self.0.lock().windows.is_empty() {
let event = self.0.lock().xcb_connection.wait_for_event().unwrap();
let mut repaint_x_window = None;
match event {
xcb::Event::X(x::Event::ClientMessage(ev)) => {
if let x::ClientMessageData::Data32([atom, ..]) = ev.data() {
let mut lock = self.0.lock();
if atom == lock.atoms.wm_del_window.resource_id() {
let mut this = self.0.lock();
if atom == this.atoms.wm_del_window.resource_id() {
// window "x" button clicked by user, we gracefully exit
{
let mut window = lock.windows[&ev.window()].lock();
let mut window = this.windows[&ev.window()].lock();
window.destroy();
}
lock.windows.remove(&ev.window());
this.xcb_connection.send_request(&x::UnmapWindow {
window: ev.window(),
});
this.xcb_connection.send_request(&x::DestroyWindow {
window: ev.window(),
});
this.windows.remove(&ev.window());
break;
}
}
}
_ => {} /*
Event::Expose(event) => {
if event.count == 0 {
need_repaint.insert(event.window);
}
}
Event::ConfigureNotify(event) => {
let lock = self.0.lock();
let mut window = lock.windows[&event.window].lock();
window.resize(event.width, event.height);
}
_ => {}*/
xcb::Event::X(x::Event::Expose(ev)) => {
repaint_x_window = Some(ev.window());
}
xcb::Event::X(x::Event::ResizeRequest(ev)) => {
let this = self.0.lock();
let mut window = this.windows[&ev.window()].lock();
window.resize(ev.width(), ev.height());
}
_ => {}
}
for x_window in need_repaint.drain() {
let lock = self.0.lock();
let mut window = lock.windows[&x_window].lock();
window.paint();
lock.xcb_connection.flush();
if let Some(x_window) = repaint_x_window {
let this = self.0.lock();
let mut window = this.windows[&x_window].lock();
window.request_frame();
this.xcb_connection.flush();
}
}
}
@ -140,22 +142,22 @@ impl Platform for LinuxPlatform {
fn unhide_other_apps(&self) {}
fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
let lock = self.0.lock();
let setup = lock.xcb_connection.get_setup();
let this = self.0.lock();
let setup = this.xcb_connection.get_setup();
setup
.roots()
.enumerate()
.map(|(root_id, _)| {
Rc::new(LinuxDisplay::new(&lock.xcb_connection, root_id as i32))
Rc::new(LinuxDisplay::new(&this.xcb_connection, root_id as i32))
as Rc<dyn PlatformDisplay>
})
.collect()
}
fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
let lock = self.0.lock();
let this = self.0.lock();
Some(Rc::new(LinuxDisplay::new(
&lock.xcb_connection,
&this.xcb_connection,
id.0 as i32,
)))
}
@ -169,18 +171,18 @@ impl Platform for LinuxPlatform {
handle: AnyWindowHandle,
options: WindowOptions,
) -> Box<dyn PlatformWindow> {
let mut lock = self.0.lock();
let x_window = lock.xcb_connection.generate_id();
let mut this = self.0.lock();
let x_window = this.xcb_connection.generate_id();
let window_ptr = LinuxWindowState::new_ptr(
options,
handle,
&lock.xcb_connection,
lock.x_root_index,
&this.xcb_connection,
this.x_root_index,
x_window,
&lock.atoms,
&this.atoms,
);
lock.windows.insert(x_window, window_ptr.clone());
this.windows.insert(x_window, window_ptr.clone());
Box::new(LinuxWindow(window_ptr))
}