leyoda/iced-yoda
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

Run a Task synchronously if immediately available

Browse source
This commit is contained in:
Héctor Ramón Jiménez 2025-10-15 20:04:44 +02:00
parent d2e192042f
commit 859d6bb972
No known key found for this signature in database
GPG key ID: 7CC46565708259A7
1 changed files with 84 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

93
winit/src/lib.rs
View file

@ -554,7 +554,7 @@ async fn run_instance<P>(
log::info!("System theme: {system_theme:?}");
loop {
'next_event: loop {
// Empty the queue if possible
let event = if let Ok(event) = event_receiver.try_next() {
event
@ -770,7 +770,8 @@ async fn run_instance<P>(
event: event::WindowEvent::RedrawRequested,
..
} => {
let Some(compositor) = &mut compositor else {
let Some(mut current_compositor) = compositor.as_mut()
else {
continue;
};
@ -803,7 +804,7 @@ async fn run_instance<P>(
);
layout_span.finish();
compositor.configure_surface(
current_compositor.configure_surface(
&mut window.surface,
physical_size.width,
physical_size.height,
@ -860,7 +861,11 @@ async fn run_instance<P>(
})
.collect();
update(&mut program, &mut runtime, &mut messages);
let actions = update(
&mut program,
&mut runtime,
&mut messages,
);
user_interfaces =
ManuallyDrop::new(build_user_interfaces(
@ -869,6 +874,30 @@ async fn run_instance<P>(
caches,
));
for action in actions {
run_action(
action,
&program,
&mut runtime,
&mut compositor,
&mut events,
&mut messages,
&mut clipboard,
&mut control_sender,
&mut user_interfaces,
&mut window_manager,
&mut ui_caches,
&mut is_window_opening,
&mut system_theme,
);
}
let Some(next_compositor) = compositor.as_mut()
else {
continue 'next_event;
};
current_compositor = next_compositor;
window = window_manager.get_mut(id).unwrap();
interface = user_interfaces.get_mut(&id).unwrap();
};
@ -904,7 +933,7 @@ async fn run_instance<P>(
window.draw_preedit();
let present_span = debug::present(id);
match compositor.present(
match current_compositor.present(
&mut window.renderer,
&mut window.surface,
window.state.viewport(),
@ -1119,7 +1148,11 @@ async fn run_instance<P>(
.map(|(id, ui)| (id, ui.into_cache()))
.collect();
update(&mut program, &mut runtime, &mut messages);
let actions = update(
&mut program,
&mut runtime,
&mut messages,
);
user_interfaces =
ManuallyDrop::new(build_user_interfaces(
@ -1127,6 +1160,24 @@ async fn run_instance<P>(
&mut window_manager,
cached_interfaces,
));
for action in actions {
run_action(
action,
&program,
&mut runtime,
&mut compositor,
&mut events,
&mut messages,
&mut clipboard,
&mut control_sender,
&mut user_interfaces,
&mut window_manager,
&mut ui_caches,
&mut is_window_opening,
&mut system_theme,
);
}
}
if let Some(redraw_at) = window_manager.redraw_at() {
@ -1176,14 +1227,36 @@ fn update<P: Program, E: Executor>(
program: &mut program::Instance<P>,
runtime: &mut Runtime<E, Proxy<P::Message>, Action<P::Message>>,
messages: &mut Vec<P::Message>,
) where
) -> Vec<Action<P::Message>>
where
P::Theme: theme::Base,
{
use futures::futures;
let mut actions = Vec::new();
for message in messages.drain(..) {
let task = runtime.enter(|| program.update(message));
if let Some(stream) = runtime::task::into_stream(task) {
runtime.run(stream);
if let Some(mut stream) = runtime::task::into_stream(task) {
let waker = futures::task::noop_waker_ref();
let mut context = futures::task::Context::from_waker(waker);
// Run immediately available actions synchronously (e.g. widget operations)
loop {
match runtime.enter(|| stream.poll_next_unpin(&mut context)) {
futures::task::Poll::Ready(Some(action)) => {
actions.push(action);
}
futures::task::Poll::Ready(None) => {
break;
}
futures::task::Poll::Pending => {
runtime.run(stream);
break;
}
}
}
}
}
@ -1191,6 +1264,8 @@ fn update<P: Program, E: Executor>(
let recipes = subscription::into_recipes(subscription.map(Action::Output));
runtime.track(recipes);
actions
}
fn run_action<'a, P, C>(