winit-sonoma-fix/examples/grabbing.rs

46 lines
1.4 KiB
Rust

extern crate winit;
use winit::{ControlFlow, WindowEvent, ElementState, KeyboardInput};
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new().build(&events_loop).unwrap();
window.set_title("winit - Cursor grabbing test");
let mut grabbed = false;
events_loop.run_forever(|event| {
println!("{:?}", event);
match event {
winit::Event::WindowEvent { event, .. } => {
match event {
WindowEvent::KeyboardInput { input: KeyboardInput { state: ElementState::Pressed, .. }, .. } => {
if grabbed {
grabbed = false;
window.set_cursor_state(winit::CursorState::Normal)
.ok().expect("could not ungrab mouse cursor");
} else {
grabbed = true;
window.set_cursor_state(winit::CursorState::Grab)
.ok().expect("could not grab mouse cursor");
}
},
WindowEvent::Closed => return ControlFlow::Complete,
a @ WindowEvent::MouseMoved { .. } => {
println!("{:?}", a);
},
_ => (),
}
}
_ => {}
}
ControlFlow::Continue
});
}