use std::io::{stdin, stdout, Write}; use winit::event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent}; use winit::event_loop::{ControlFlow, EventLoop}; use winit::monitor::{MonitorHandle, VideoMode}; use winit::window::{Fullscreen, WindowBuilder}; fn main() { let event_loop = EventLoop::new(); print!("Please choose the fullscreen mode: (1) exclusive, (2) borderless: "); stdout().flush().unwrap(); let mut num = String::new(); stdin().read_line(&mut num).unwrap(); let num = num.trim().parse().ok().expect("Please enter a number"); let fullscreen = Some(match num { 1 => Fullscreen::Exclusive(prompt_for_video_mode(&prompt_for_monitor(&event_loop))), 2 => Fullscreen::Borderless(prompt_for_monitor(&event_loop)), _ => panic!("Please enter a valid number"), }); let mut is_maximized = false; let mut decorations = true; let window = WindowBuilder::new() .with_title("Hello world!") .with_fullscreen(fullscreen.clone()) .build(&event_loop) .unwrap(); event_loop.run(move |event, _, control_flow| { *control_flow = ControlFlow::Wait; match event { Event::WindowEvent { event, .. } => match event { WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit, WindowEvent::KeyboardInput { input: KeyboardInput { virtual_keycode: Some(virtual_code), state, .. }, .. } => match (virtual_code, state) { (VirtualKeyCode::Escape, _) => *control_flow = ControlFlow::Exit, (VirtualKeyCode::F, ElementState::Pressed) => { if window.fullscreen().is_some() { window.set_fullscreen(None); } else { window.set_fullscreen(fullscreen.clone()); } } (VirtualKeyCode::S, ElementState::Pressed) => { println!("window.fullscreen {:?}", window.fullscreen()); } (VirtualKeyCode::M, ElementState::Pressed) => { is_maximized = !is_maximized; window.set_maximized(is_maximized); } (VirtualKeyCode::D, ElementState::Pressed) => { decorations = !decorations; window.set_decorations(decorations); } _ => (), }, _ => (), }, _ => {} } }); } // Enumerate monitors and prompt user to choose one fn prompt_for_monitor(event_loop: &EventLoop<()>) -> MonitorHandle { for (num, monitor) in event_loop.available_monitors().enumerate() { println!("Monitor #{}: {:?}", num, monitor.name()); } print!("Please write the number of the monitor to use: "); stdout().flush().unwrap(); let mut num = String::new(); stdin().read_line(&mut num).unwrap(); let num = num.trim().parse().ok().expect("Please enter a number"); let monitor = event_loop .available_monitors() .nth(num) .expect("Please enter a valid ID"); println!("Using {:?}", monitor.name()); monitor } fn prompt_for_video_mode(monitor: &MonitorHandle) -> VideoMode { for (i, video_mode) in monitor.video_modes().enumerate() { println!("Video mode #{}: {}", i, video_mode); } print!("Please write the number of the video mode to use: "); stdout().flush().unwrap(); let mut num = String::new(); stdin().read_line(&mut num).unwrap(); let num = num.trim().parse().ok().expect("Please enter a number"); let video_mode = monitor .video_modes() .nth(num) .expect("Please enter a valid ID"); println!("Using {}", video_mode); video_mode }