winit-sonoma-fix/examples/window_run_return.rs
Osspial 028d3ec16d
Make examples set control_flow in a more realistic way (#1363)
* Make examples set control_flow in a more realistic way

* Format
2020-01-05 02:12:03 -05:00

59 lines
1.6 KiB
Rust

// Limit this example to only compatible platforms.
#[cfg(any(
target_os = "windows",
target_os = "macos",
target_os = "linux",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "netbsd",
target_os = "openbsd"
))]
fn main() {
use std::{thread::sleep, time::Duration};
use winit::{
event::{Event, WindowEvent},
event_loop::{ControlFlow, EventLoop},
platform::desktop::EventLoopExtDesktop,
window::WindowBuilder,
};
let mut event_loop = EventLoop::new();
let _window = WindowBuilder::new()
.with_title("A fantastic window!")
.build(&event_loop)
.unwrap();
let mut quit = false;
while !quit {
event_loop.run_return(|event, _, control_flow| {
if let Event::WindowEvent { event, .. } = &event {
// Print only Window events to reduce noise
println!("{:?}", event);
}
match event {
Event::WindowEvent {
event: WindowEvent::CloseRequested,
..
} => {
quit = true;
}
Event::MainEventsCleared => {
*control_flow = ControlFlow::Exit;
}
_ => *control_flow = ControlFlow::Wait,
}
});
// Sleep for 1/60 second to simulate rendering
println!("rendering");
sleep(Duration::from_millis(16));
}
}
#[cfg(any(target_os = "ios", target_os = "android", target_arch = "wasm32"))]
fn main() {
println!("This platform doesn't support run_return.");
}