extern crate winit; use winit::window::WindowBuilder; use winit::event::{Event, WindowEvent}; use winit::event_loop::{EventLoop, ControlFlow}; fn main() { let event_loop = EventLoop::new(); let window = WindowBuilder::new().with_decorations(false) .with_transparent(true) .build(&event_loop).unwrap(); window.set_title("A fantastic window!"); event_loop.run(move |event, _, control_flow| { println!("{:?}", event); match event { Event::WindowEvent { event: WindowEvent::CloseRequested, .. } => *control_flow = ControlFlow::Exit, _ => *control_flow = ControlFlow::Wait, } }); }