extern crate glutin;
mod support;
use glutin::GlContext;
fn main() {
let mut events_loop = glutin::EventsLoop::new();
let window = glutin::WindowBuilder::new().with_title("glutin - Cursor grabbing test");
let context = glutin::ContextBuilder::new();
let gl_window = glutin::GlWindow::new(window, context, &events_loop).unwrap();
let _ = unsafe { gl_window.make_current() };
let gl = support::load(&gl_window);
let mut grabbed = false;
events_loop.run_forever(|event| {
use glutin::{CursorState, ControlFlow, Event, WindowEvent, ElementState};
match event {
Event::WindowEvent { event, .. } => match event {
WindowEvent::KeyboardInput { input, .. } if ElementState::Pressed == input.state => {
if grabbed {
grabbed = false;
gl_window.set_cursor_state(CursorState::Normal)
.ok().expect("could not ungrab mouse cursor");
} else {
grabbed = true;
gl_window.set_cursor_state(CursorState::Grab)
.ok().expect("could not grab mouse cursor");
}
},
WindowEvent::Closed => return ControlFlow::Break,
WindowEvent::Resized(w, h) => gl_window.resize(w, h),
a @ WindowEvent::MouseMoved { .. } => {
println!("{:?}", a);
},
_ => (),
},
_ => (),
}
gl.draw_frame([0.0, 1.0, 0.0, 1.0]);
let _ = gl_window.swap_buffers();
ControlFlow::Continue
});
}