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egui demo: Add drop down to resize the window (#4197) 

An alternative to the "Phone Size" button useful for testing
`ViewportCommand::InnerSize`.

I created this to make it easy to debug
https://github.com/emilk/egui/issues/4196 there are more details there.
This commit is contained in:
Colin Kinloch 2024-03-25 12:11:39 +00:00 committed by GitHub
parent d410bc5b9a
commit 287a550b90
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1 changed files with 21 additions and 7 deletions
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28
crates/egui_demo_app/src/backend_panel.rs
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@ -296,14 +296,28 @@ fn integration_ui(ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
} }
} }
if ui let mut size = None;
.button("📱 Phone Size") egui::ComboBox::from_id_source("viewport-size-combo")
.on_hover_text("Resize the window to be small like a phone.") .selected_text("Resize to...")
.clicked() .show_ui(ui, |ui| {
{ ui.selectable_value(
// let size = egui::vec2(375.0, 812.0); // iPhone 12 mini &mut size,
let size = egui::vec2(375.0, 667.0); // iPhone SE 2nd gen Some(egui::vec2(375.0, 667.0)),
"📱 iPhone SE 2nd Gen",
);
ui.selectable_value(
&mut size,
Some(egui::vec2(1280.0, 720.0)),
"🖥 Desktop 720p",
);
ui.selectable_value(
&mut size,
Some(egui::vec2(1920.0, 1080.0)),
"🖥 Desktop 1080p",
);
});
if let Some(size) = size {
ui.ctx() ui.ctx()
.send_viewport_cmd(egui::ViewportCommand::InnerSize(size)); .send_viewport_cmd(egui::ViewportCommand::InnerSize(size));
ui.ctx() ui.ctx()