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Batch event processing in UserInterface::update

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This commit is contained in:
Héctor Ramón Jiménez 2020-11-12 02:51:26 +01:00
parent 69c50c8511
commit bf2d2561b8
4 changed files with 95 additions and 87 deletions
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36
winit/src/application.rs
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@ -241,21 +241,32 @@ async fn run_instance<A, E, C>(
user_interface.draw(&mut renderer, state.cursor_position());
let mut mouse_interaction = mouse::Interaction::default();
let mut events = Vec::new();
let mut messages = Vec::new();
let mut is_clean = true;
debug.startup_finished();
while let Some(event) = receiver.next().await {
match event {
event::Event::NewEvents(_) => {
debug.event_processing_started();
}
event::Event::MainEventsCleared => {
if events.is_empty() && messages.is_empty() {
continue;
}
debug.event_processing_started();
let statuses = user_interface.update(
&events,
state.cursor_position(),
clipboard.as_ref().map(|c| c as _),
&mut renderer,
&mut messages,
);
debug.event_processing_finished();
if is_clean && messages.is_empty() {
continue;
for event in events.drain(..).zip(statuses.into_iter()) {
runtime.broadcast(event);
}
if !messages.is_empty() {
@ -288,7 +299,6 @@ async fn run_instance<A, E, C>(
debug.draw_finished();
window.request_redraw();
is_clean = true;
}
event::Event::UserEvent(message) => {
messages.push(message);
@ -359,17 +369,7 @@ async fn run_instance<A, E, C>(
state.scale_factor(),
state.modifiers(),
) {
let event_status = user_interface.update(
event.clone(),
state.cursor_position(),
clipboard.as_ref().map(|c| c as _),
&mut renderer,
&mut messages,
);
runtime.broadcast((event, event_status));
is_clean = false;
events.push(event);
}
}
_ => {}