use fltk::{app, button::Button, frame::Frame, prelude::*, window::Window};
use std::sync::{Arc, Mutex};
fn main() {
let app = app::App::default();
let mut wind = Window::default()
.with_size(400, 300)
.center_screen()
.with_label("threads");
let frame = Frame::new(0, 0, 400, 200, "");
let mut but = Button::new(160, 210, 80, 40, "Click me!");
wind.show();
let frame = Arc::from(Mutex::from(frame));
but.set_callback(move |_| {
let frame = frame.clone();
std::thread::spawn(move || {
for i in 0..1000 {
app::sleep(0.010);
app::awake();
let mut frame = frame.lock().unwrap();
frame.set_label(format!("Hello {i}").as_str());
}
});
});
app.run().unwrap();
}