egui/examples/serial_windows/src/main.rs
Emil Ernerfeldt 9c58f12a6c
eframe: several windows in series (#1919)
* Add example of opening several eframe windows in series

* Reuse the same winit event loop

* Ignore events to the wrong window

* Run run_return again
2022-08-15 16:31:03 +02:00

53 lines
1.4 KiB
Rust

#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
use eframe::egui;
fn main() {
if cfg!(target_os = "macos") {
eprintln!("WARNING: this example does not work on Mac! See https://github.com/emilk/egui/issues/1918");
}
let options = eframe::NativeOptions {
run_and_return: true,
..Default::default()
};
eprintln!("Starting first window…");
eframe::run_native(
"First Window",
options.clone(),
Box::new(|_cc| Box::new(MyApp::default())),
);
std::thread::sleep(std::time::Duration::from_secs(2));
eprintln!("Starting second window…");
eframe::run_native(
"Second Window",
options.clone(),
Box::new(|_cc| Box::new(MyApp::default())),
);
std::thread::sleep(std::time::Duration::from_secs(2));
eprintln!("Starting third window…");
eframe::run_native(
"Third Window",
options,
Box::new(|_cc| Box::new(MyApp::default())),
);
}
#[derive(Default)]
struct MyApp {}
impl eframe::App for MyApp {
fn update(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {
egui::CentralPanel::default().show(ctx, |ui| {
if ui.button("Close").clicked() {
eprintln!("Pressed Close button");
frame.quit();
}
});
}
}