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Remove some uses of top-level panels in our examples (#7729)

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We're phasing out top-level panels (panels that use `Context` directly,
instead of being inside another `Ui`).
As a first step, stop using them in our demo library and application.

* Part of https://github.com/emilk/egui/issues/3524
This commit is contained in:
Emil Ernerfeldt
2025-11-21 20:22:01 +01:00
committed by GitHub
parent d53a4a9c1d
commit d5869bfeaf
13 changed files with 165 additions and 136 deletions
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39
crates/egui_demo_app/src/apps/custom3d_wgpu.rs
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@@ -98,26 +98,27 @@ impl Custom3d {
}
}
impl eframe::App for Custom3d {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
egui::CentralPanel::default().show(ctx, |ui| {
egui::ScrollArea::both()
.auto_shrink(false)
.show(ui, |ui| {
ui.horizontal(|ui| {
ui.spacing_mut().item_spacing.x = 0.0;
ui.label("The triangle is being painted using ");
ui.hyperlink_to("WGPU", "https://wgpu.rs");
ui.label(" (Portable Rust graphics API awesomeness)");
});
ui.label("It's not a very impressive demo, but it shows you can embed 3D inside of egui.");
egui::Frame::canvas(ui.style()).show(ui, |ui| {
self.custom_painting(ui);
});
ui.label("Drag to rotate!");
ui.add(egui_demo_lib::egui_github_link_file!());
impl crate::DemoApp for Custom3d {
fn demo_ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
// TODO(emilk): Use `ScrollArea::inner_margin`
egui::CentralPanel::default().show_inside(ui, |ui| {
egui::ScrollArea::both().auto_shrink(false).show(ui, |ui| {
ui.horizontal(|ui| {
ui.spacing_mut().item_spacing.x = 0.0;
ui.label("The triangle is being painted using ");
ui.hyperlink_to("WGPU", "https://wgpu.rs");
ui.label(" (Portable Rust graphics API awesomeness)");
});
ui.label(
"It's not a very impressive demo, but it shows you can embed 3D inside of egui.",
);
egui::Frame::canvas(ui.style()).show(ui, |ui| {
self.custom_painting(ui);
});
ui.label("Drag to rotate!");
ui.add(egui_demo_lib::egui_github_link_file!());
});
});
}
}