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Classify viewports using enum ViewportClass

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This commit is contained in:
Emil Ernerfeldt
2023-11-16 09:09:41 +01:00
parent b0d64aaf0a
commit 26f0c2a222
6 changed files with 151 additions and 43 deletions
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17
examples/multiple_viewports/src/main.rs
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@@ -55,10 +55,16 @@ impl eframe::App for MyApp {
egui::ViewportBuilder::default()
.with_title("Immediate Viewport")
.with_inner_size([200.0, 100.0]),
|ctx| {
|ctx, class| {
assert!(
class == egui::ViewportClass::Immediate,
"This egui backend doesn't support multiple viewports"
);
egui::CentralPanel::default().show(ctx, |ui| {
ui.label("Hello from immediate viewport");
});
if ctx.input(|i| i.raw.viewport.close_requested) {
// Tell parent viewport that we should not show next frame:
self.show_immediate_viewport = false;
@@ -75,12 +81,17 @@ impl eframe::App for MyApp {
egui::ViewportBuilder::default()
.with_title("Deferred Viewport")
.with_inner_size([200.0, 100.0]),
|ctx| {
|ctx, class| {
assert!(
class == egui::ViewportClass::Deferred,
"This egui backend doesn't support multiple viewports"
);
egui::CentralPanel::default().show(ctx, |ui| {
ui.label("Hello from deferred viewport");
});
if ctx.input(|i| i.raw.viewport.close_requested) {
// Tell parent to close use
// Tell parent to close us.
show_deferred_viewport.store(false, Ordering::Relaxed);
ctx.request_repaint(); // make sure there is a next frame
}