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Add 'WindowEvent::Occluded(bool)'

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This commits and an event to track window occlusion state,
which could help optimize rendering downstream.
This commit is contained in:
trimental
2022-07-06 18:46:25 +00:00
committed by GitHub
parent 4b10993970
commit e289f30e5d
4 changed files with 39 additions and 3 deletions
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9
src/platform_impl/linux/x11/event_processor.rs
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@@ -531,8 +531,13 @@ impl<T: 'static> EventProcessor<T> {
ffi::VisibilityNotify => {
let xev: &ffi::XVisibilityEvent = xev.as_ref();
let xwindow = xev.window;
self.with_window(xwindow, |window| window.visibility_notify());
callback(Event::WindowEvent {
window_id: mkwid(xwindow),
event: WindowEvent::Occluded(xev.state == ffi::VisibilityFullyObscured),
});
self.with_window(xwindow, |window| {
window.visibility_notify();
});
}
ffi::Expose => {