winit-sonoma-fix/examples/theme.rs
2023-01-27 07:18:58 +03:00

72 lines
2.2 KiB
Rust

#![allow(clippy::single_match)]
use simple_logger::SimpleLogger;
use winit::{
event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent},
event_loop::{ControlFlow, EventLoop},
window::{Theme, WindowBuilder},
};
fn main() {
SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new();
let window = WindowBuilder::new()
.with_title("A fantastic window!")
.with_theme(Some(Theme::Dark))
.build(&event_loop)
.unwrap();
println!("Initial theme: {:?}", window.theme());
println!("debugging keys:");
println!(" (A) Automatic theme");
println!(" (L) Light theme");
println!(" (D) Dark theme");
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
match event {
Event::WindowEvent {
event: WindowEvent::CloseRequested,
..
} => *control_flow = ControlFlow::Exit,
Event::WindowEvent {
event: WindowEvent::ThemeChanged(theme),
window_id,
..
} if window_id == window.id() => {
println!("Theme is changed: {theme:?}")
}
Event::WindowEvent {
event:
WindowEvent::KeyboardInput {
input:
KeyboardInput {
virtual_keycode: Some(key),
state: ElementState::Pressed,
..
},
..
},
..
} => match key {
VirtualKeyCode::A => {
println!("Theme was: {:?}", window.theme());
window.set_theme(None);
}
VirtualKeyCode::L => {
println!("Theme was: {:?}", window.theme());
window.set_theme(Some(Theme::Light));
}
VirtualKeyCode::D => {
println!("Theme was: {:?}", window.theme());
window.set_theme(Some(Theme::Dark));
}
_ => (),
},
_ => (),
}
});
}