migrations/egui
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Fix closing of viewports (#3591)

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This ensures the closed viewport gets a close-event, and that it and the
parent viewport gets repainting, allowing the event to be registered.
This commit is contained in:
Emil Ernerfeldt
2023-11-20 17:43:40 +01:00
committed by GitHub
parent 7bfaf49636
commit 44ff29b012
11 changed files with 139 additions and 96 deletions
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83
crates/eframe/src/native/glow_integration.rs
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@@ -208,7 +208,7 @@ impl GlowWinitApp {
let system_theme =
winit_integration::system_theme(&glutin.window(ViewportId::ROOT), &self.native_options);
let mut integration = EpiIntegration::new(
let integration = EpiIntegration::new(
&glutin.window(ViewportId::ROOT),
system_theme,
&self.app_name,
@@ -656,12 +656,8 @@ impl GlowWinitRunning {
) -> EventResult {
crate::profile_function!(egui_winit::short_window_event_description(event));
let viewport_id = self
.glutin
.borrow()
.viewport_from_window
.get(&window_id)
.copied();
let mut glutin = self.glutin.borrow_mut();
let viewport_id = glutin.viewport_from_window.get(&window_id).copied();
// On Windows, if a window is resized by the user, it should repaint synchronously, inside the
// event handler.
@@ -680,8 +676,7 @@ impl GlowWinitRunning {
match event {
winit::event::WindowEvent::Focused(new_focused) => {
self.glutin.borrow_mut().focused_viewport =
new_focused.then(|| viewport_id).flatten();
glutin.focused_viewport = new_focused.then(|| viewport_id).flatten();
}
winit::event::WindowEvent::Resized(physical_size) => {
@@ -691,7 +686,7 @@ impl GlowWinitRunning {
if 0 < physical_size.width && 0 < physical_size.height {
if let Some(viewport_id) = viewport_id {
repaint_asap = true;
self.glutin.borrow_mut().resize(viewport_id, *physical_size);
glutin.resize(viewport_id, *physical_size);
}
}
}
@@ -699,45 +694,59 @@ impl GlowWinitRunning {
winit::event::WindowEvent::ScaleFactorChanged { new_inner_size, .. } => {
if let Some(viewport_id) = viewport_id {
repaint_asap = true;
self.glutin
.borrow_mut()
.resize(viewport_id, **new_inner_size);
glutin.resize(viewport_id, **new_inner_size);
}
}
winit::event::WindowEvent::CloseRequested => {
let is_root = viewport_id == Some(ViewportId::ROOT);
if is_root && self.integration.should_close() {
log::debug!("Received WindowEvent::CloseRequested");
if viewport_id == Some(ViewportId::ROOT) && self.integration.should_close() {
log::debug!(
"Received WindowEvent::CloseRequested for main viewport - shutting down."
);
return EventResult::Exit;
}
log::debug!("Received WindowEvent::CloseRequested for viewport {viewport_id:?}");
if let Some(viewport_id) = viewport_id {
if let Some(viewport) = glutin.viewports.get_mut(&viewport_id) {
// Tell viewport it should close:
viewport.info.events.push(egui::ViewportEvent::Close);
// We may need to repaint both us and our parent to close the window,
// and perhaps twice (once to notice the close-event, once again to enforce it).
// `request_repaint_of` does a double-repaint though:
self.integration.egui_ctx.request_repaint_of(viewport_id);
self.integration
.egui_ctx
.request_repaint_of(viewport.ids.parent);
}
}
}
_ => {}
}
let event_response = 'res: {
if let Some(viewport_id) = viewport_id {
let mut glutin = self.glutin.borrow_mut();
if let Some(viewport) = glutin.viewports.get_mut(&viewport_id) {
break 'res self.integration.on_window_event(
self.app.as_mut(),
event,
viewport.egui_winit.as_mut().unwrap(),
viewport.ids.this,
);
}
}
EventResponse {
consumed: false,
repaint: false,
}
};
if self.integration.should_close() {
EventResult::Exit
} else if event_response.repaint {
return EventResult::Exit;
}
let mut event_response = EventResponse {
consumed: false,
repaint: false,
};
if let Some(viewport_id) = viewport_id {
if let Some(viewport) = glutin.viewports.get_mut(&viewport_id) {
event_response = self.integration.on_window_event(
self.app.as_mut(),
event,
viewport.egui_winit.as_mut().unwrap(),
viewport.ids.this,
);
}
}
if event_response.repaint {
if repaint_asap {
EventResult::RepaintNow(window_id)
} else {