#![allow(clippy::single_match)]
use simple_logger::SimpleLogger;
use winit::{
event::{Event, KeyboardInput, WindowEvent},
event_loop::EventLoop,
window::WindowBuilder,
};
fn main() {
SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new();
let _window = WindowBuilder::new()
.with_title("Your faithful window")
.build(&event_loop)
.unwrap();
let mut close_requested = false;
event_loop.run(move |event, _, control_flow| {
use winit::event::{
ElementState::Released,
VirtualKeyCode::{N, Y},
};
control_flow.set_wait();
match event {
Event::WindowEvent { event, .. } => {
match event {
WindowEvent::CloseRequested => {
// `CloseRequested` is sent when the close button on the window is pressed (or
// through whatever other mechanisms the window manager provides for closing a
// window). If you don't handle this event, the close button won't actually do
// anything.
// A common thing to do here is prompt the user if they have unsaved work.
// Creating a proper dialog box for that is far beyond the scope of this
// example, so here we'll just respond to the Y and N keys.
println!("Are you ready to bid your window farewell? [Y/N]");
close_requested = true;
// In applications where you can safely close the window without further
// action from the user, this is generally where you'd handle cleanup before
// closing the window. How to close the window is detailed in the handler for
// the Y key.
}
WindowEvent::KeyboardInput {
input:
KeyboardInput {
virtual_keycode: Some(virtual_code),
state: Released,
..
},
..
} => {
match virtual_code {
Y => {
if close_requested {
// This is where you'll want to do any cleanup you need.
println!("Buh-bye!");
// For a single-window application like this, you'd normally just
// break out of the event loop here. If you wanted to keep running the
// event loop (i.e. if it's a multi-window application), you need to
// drop the window. That closes it, and results in `Destroyed` being
// sent.
control_flow.set_exit();
}
}
N => {
if close_requested {
println!("Your window will continue to stay by your side.");
close_requested = false;
}
}
_ => (),
}
}
_ => (),
}
}
_ => (),
}
});
}