egui/examples/hello_world_simple/src/main.rs

33 lines
1.1 KiB
Rust

#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
use eframe::egui;
fn main() -> Result<(), eframe::Error> {
env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
let options = eframe::NativeOptions {
initial_window_size: Some(egui::vec2(320.0, 240.0)),
..Default::default()
};
// Our application state:
let mut name = "Arthur".to_owned();
let mut age = 42;
eframe::run_simple_native("My egui App", options, move |ctx, _frame| {
egui::CentralPanel::default().show(ctx, |ui| {
ui.heading("My egui Application");
ui.horizontal(|ui| {
let name_label = ui.label("Your name: ");
ui.text_edit_singleline(&mut name)
.labelled_by(name_label.id);
});
ui.add(egui::Slider::new(&mut age, 0..=120).text("age"));
if ui.button("Click each year").clicked() {
age += 1;
}
ui.label(format!("Hello '{name}', age {age}"));
});
})
}