winit-sonoma-fix/examples/multiwindow.rs
Kirill Chibisov 793c535b01
Revert "Propagate error from EventLoop creation" (#3010)
This reverts commit ed26dd58fd.
The patched was merged with a review by accident.
2023-08-06 06:07:01 +04:00

71 lines
2.2 KiB
Rust

#![allow(clippy::single_match)]
use std::collections::HashMap;
use simple_logger::SimpleLogger;
use winit::{
event::{ElementState, Event, KeyEvent, WindowEvent},
event_loop::EventLoop,
keyboard::Key,
window::Window,
};
#[path = "util/fill.rs"]
mod fill;
fn main() -> Result<(), impl std::error::Error> {
SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new();
let mut windows = HashMap::new();
for _ in 0..3 {
let window = Window::new(&event_loop).unwrap();
println!("Opened a new window: {:?}", window.id());
windows.insert(window.id(), window);
}
println!("Press N to open a new window.");
event_loop.run(move |event, event_loop, control_flow| {
control_flow.set_wait();
match event {
Event::WindowEvent { event, window_id } => {
match event {
WindowEvent::CloseRequested => {
println!("Window {window_id:?} has received the signal to close");
// This drops the window, causing it to close.
windows.remove(&window_id);
if windows.is_empty() {
control_flow.set_exit();
}
}
WindowEvent::KeyboardInput {
event:
KeyEvent {
state: ElementState::Pressed,
logical_key: Key::Character(c),
..
},
is_synthetic: false,
..
} if matches!(c.as_ref(), "n" | "N") => {
let window = Window::new(event_loop).unwrap();
println!("Opened a new window: {:?}", window.id());
windows.insert(window.id(), window);
}
_ => (),
}
}
Event::RedrawRequested(window_id) => {
if let Some(window) = windows.get(&window_id) {
fill::fill_window(window);
}
}
_ => (),
}
})
}