winit 0.20.0-alpha6

Cross-platform window creation library.
Documentation 
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extern crate winit;

use winit::event::{Event, VirtualKeyCode, WindowEvent};
use winit::event_loop::{ControlFlow, EventLoop};
use winit::window::WindowBuilder;

fn main() {
    let event_loop = EventLoop::new();

    let window = WindowBuilder::new()
        .with_title("A fantastic window!")
        .build(&event_loop)
        .unwrap();

    event_loop.run(move |event, _, control_flow| match event {
        Event::WindowEvent {
            event: WindowEvent::CloseRequested,
            ..
        } => *control_flow = ControlFlow::Exit,

        // Keyboard input event to handle minimize via a hotkey
        Event::WindowEvent {
            event: WindowEvent::KeyboardInput { input, .. },
            window_id,
        } => {
            if window_id == window.id() {
                // Pressing the 'M' key will minimize the window
                if input.virtual_keycode == Some(VirtualKeyCode::M) {
                    window.set_minimized(true);
                }
            }
        }
        _ => *control_flow = ControlFlow::Wait,
    });
}