127931ba45
Since https://github.com/emilk/egui/pull/1919 we can continue the application after closing the native window. It therefore makes more sense to call `frame.close()` to close the native window, instead of `frame.quit()`.
50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
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use eframe::egui;
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fn main() {
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let options = eframe::NativeOptions::default();
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eframe::run_native(
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"Confirm exit",
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options,
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Box::new(|_cc| Box::new(MyApp::default())),
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);
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}
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#[derive(Default)]
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struct MyApp {
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allowed_to_close: bool,
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show_confirmation_dialog: bool,
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}
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impl eframe::App for MyApp {
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fn on_close_event(&mut self) -> bool {
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self.show_confirmation_dialog = true;
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self.allowed_to_close
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}
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fn update(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
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egui::CentralPanel::default().show(ctx, |ui| {
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ui.heading("Try to close the window");
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});
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if self.show_confirmation_dialog {
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// Show confirmation dialog:
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egui::Window::new("Do you want to quit?")
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.collapsible(false)
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.resizable(false)
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.show(ctx, |ui| {
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ui.horizontal(|ui| {
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if ui.button("Cancel").clicked() {
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self.show_confirmation_dialog = false;
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}
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if ui.button("Yes!").clicked() {
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self.allowed_to_close = true;
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frame.close();
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}
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});
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});
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}
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}
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}
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