winit-sonoma-fix/examples/key_binding.rs
Kirill Chibisov ed26dd58fd
Propagate error from EventLoop creation
Inner panics could make it hard to trouble shoot the issues and for some
users ints not desirable.

The inner panics were left only when they are used to `assert!` during
development.
2023-08-06 06:03:54 +04:00

66 lines
2.3 KiB
Rust

#![allow(clippy::single_match)]
#[cfg(any(target_os = "macos", target_os = "windows", target_os = "linux"))]
use winit::{
dpi::LogicalSize,
event::{ElementState, Event, WindowEvent},
event_loop::{ControlFlow, EventLoop},
keyboard::{Key, ModifiersState},
// WARNING: This is not available on all platforms (for example on the web).
platform::modifier_supplement::KeyEventExtModifierSupplement,
window::WindowBuilder,
};
#[cfg(not(any(target_os = "macos", target_os = "windows", target_os = "linux")))]
fn main() {
println!("This example is not supported on this platform");
}
#[cfg(any(target_os = "macos", target_os = "windows", target_os = "linux"))]
fn main() -> Result<(), impl std::error::Error> {
#[path = "util/fill.rs"]
mod fill;
simple_logger::SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new().unwrap();
let window = WindowBuilder::new()
.with_inner_size(LogicalSize::new(400.0, 200.0))
.build(&event_loop)
.unwrap();
let mut modifiers = ModifiersState::default();
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
match event {
Event::WindowEvent { event, .. } => match event {
WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
WindowEvent::ModifiersChanged(new) => {
modifiers = new.state();
}
WindowEvent::KeyboardInput { event, .. } => {
if event.state == ElementState::Pressed && !event.repeat {
match event.key_without_modifiers().as_ref() {
Key::Character("1") => {
if modifiers.shift_key() {
println!("Shift + 1 | logical_key: {:?}", event.logical_key);
} else {
println!("1");
}
}
_ => (),
}
}
}
_ => (),
},
Event::RedrawRequested(_) => {
fill::fill_window(&window);
}
_ => (),
};
})
}