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Emulate AboutToWait event on Windows while resizing

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More details: https://github.com/rust-windowing/winit/issues/3272
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dtzxporter 2024-01-25 15:23:30 -05:00 • committed by Héctor Ramón Jiménez
parent b4dcf4ecf7
commit 66823e9a65
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1 changed files with 38 additions and 13 deletions
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51
winit/src/application.rs
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@ -213,25 +213,50 @@ where
let mut context = task::Context::from_waker(task::noop_waker_ref());
let _ = event_loop.run(move |event, event_loop| {
if event_loop.exiting() {
return;
}
#[allow(unused_mut)]
let mut process_event =
move |event, event_loop: &winit::event_loop::EventLoopWindowTarget<_>| {
if event_loop.exiting() {
return;
}
event_sender.start_send(event).expect("Send event");
event_sender.start_send(event).expect("Send event");
let poll = instance.as_mut().poll(&mut context);
let poll = instance.as_mut().poll(&mut context);
match poll {
task::Poll::Pending => {
if let Ok(Some(flow)) = control_receiver.try_next() {
event_loop.set_control_flow(flow);
match poll {
task::Poll::Pending => {
if let Ok(Some(flow)) = control_receiver.try_next() {
event_loop.set_control_flow(flow);
}
}
task::Poll::Ready(_) => {
event_loop.exit();
}
}
task::Poll::Ready(_) => {
event_loop.exit();
}
};
#[cfg(not(target_os = "windows"))]
let _ = event_loop.run(process_event);
// TODO: Remove when unnecessary
// On Windows, we emulate an `AboutToWait` event after every `Resized` event
// since the event loop does not resume during resize interaction.
// More details: https://github.com/rust-windowing/winit/issues/3272
#[cfg(target_os = "windows")]
let _ = event_loop.run(move |event, event_loop| {
if matches!(
event,
winit::event::Event::WindowEvent {
event: winit::event::WindowEvent::Resized(_),
..
}
) {
process_event(event, event_loop);
process_event(winit::event::Event::AboutToWait, event_loop);
} else {
process_event(event, event_loop);
}
});
Ok(())