migrations/egui
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Fix: When we have a Viewport in a Viewport and when the first is destroyed, takes one more frame for the child to be destroyed.

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Konkitoman
2023-11-10 16:36:30 +02:00
parent 6b74ee7232
commit 0901fa5a0f
1 changed files with 17 additions and 16 deletions
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33
crates/egui/src/context.rs
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@@ -1529,14 +1529,8 @@ impl Context {
let shapes = self.drain_paint_lists();
let all_viewport_ids = self.read(|ctx| {
let mut all_viewport_ids = ViewportIdSet::default();
all_viewport_ids.insert(ViewportId::ROOT);
for vp in ctx.viewports.values() {
all_viewport_ids.insert(vp.id_pair.this);
}
all_viewport_ids
});
let mut all_viewport_ids = ViewportIdSet::default();
all_viewport_ids.insert(ViewportId::ROOT);
let viewport_id = self.viewport_id();
@@ -1551,25 +1545,32 @@ impl Context {
viewport.used = false; // reset so we can check again next frame
}
viewports.push(ViewportOutput {
builder: viewport.builder.clone(),
id_pair: viewport.id_pair,
viewport_ui_cb: viewport.viewport_ui_cb.clone(),
});
if !all_viewport_ids.contains(&viewport.id_pair.parent) {
if all_viewport_ids.contains(&viewport.id_pair.parent) {
viewports.push(ViewportOutput {
builder: viewport.builder.clone(),
id_pair: viewport.id_pair,
viewport_ui_cb: viewport.viewport_ui_cb.clone(),
});
} else {
// Parent is gone - remove this viewport.
return false;
}
let is_child = viewport_id == viewport.id_pair.parent;
if is_child {
let result = if is_child {
// Keep all children that have been updated this frame
was_used
} else {
// Somebody elses child - don't touch
true
};
if result {
all_viewport_ids.insert(viewport.id_pair.this);
}
result
});
});