use simple_logger::SimpleLogger; use winit::{ event::{Event, WindowEvent}, event_loop::{ControlFlow, EventLoop}, window::WindowBuilder, }; fn main() { SimpleLogger::new().init().unwrap(); let event_loop = EventLoop::new(); let _window = WindowBuilder::new() .with_title("Touchpad gestures") .build(&event_loop) .unwrap(); println!("Only supported on macOS at the moment."); event_loop.run(move |event, _, control_flow| { *control_flow = ControlFlow::Wait; if let Event::WindowEvent { event, .. } = event { match event { WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit, WindowEvent::TouchpadMagnify { delta, .. } => { if delta > 0.0 { println!("Zoomed in {}", delta); } else { println!("Zoomed out {}", delta); } } WindowEvent::TouchpadRotate { delta, .. } => { if delta > 0.0 { println!("Rotated counterclockwise {}", delta); } else { println!("Rotated clockwise {}", delta); } } _ => (), } } }); }