50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
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/// We derive Deserialize/Serialize so we can persist app state on shutdown.
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#[derive(serde::Deserialize, serde::Serialize)]
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pub struct ExampleApp {
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name: String,
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age: u32,
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}
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impl Default for ExampleApp {
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fn default() -> Self {
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Self {
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name: "Arthur".to_owned(),
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age: 42,
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}
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}
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}
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impl egui::app::App for ExampleApp {
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/// Called each time the UI needs repainting, which may be many times per second.
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/// Put your widgets into a `SidePanel`, `TopPanel`, `CentralPanel`, `Window` or `Area`.
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fn ui(
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&mut self,
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ctx: &std::sync::Arc<egui::Context>,
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integration_context: &mut egui::app::IntegrationContext,
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) {
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let ExampleApp { name, age } = self;
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// Example used in `README.md`.
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egui::CentralPanel::default().show(ctx, |ui| {
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ui.heading("My Egui Application");
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ui.horizontal(|ui| {
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ui.label("Your name: ");
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ui.text_edit_singleline(name);
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});
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ui.add(egui::Slider::u32(age, 0..=120).text("age"));
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if ui.button("Click each year").clicked {
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*age += 1;
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}
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ui.label(format!("Hello '{}', age {}", name, age));
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ui.advance_cursor(16.0);
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if ui.button("Quit").clicked {
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integration_context.output.quit = true;
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}
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});
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}
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}
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