winit-sonoma-fix/examples/window_debug.rs
2020-09-10 01:58:30 +00:00

119 lines
4.2 KiB
Rust

// This example is used by developers to test various window functions.
use simple_logger::SimpleLogger;
use winit::{
dpi::{LogicalSize, PhysicalSize},
event::{DeviceEvent, ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent},
event_loop::{ControlFlow, EventLoop},
window::{Fullscreen, WindowBuilder},
};
fn main() {
SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new();
let window = WindowBuilder::new()
.with_title("A fantastic window!")
.with_inner_size(LogicalSize::new(100.0, 100.0))
.build(&event_loop)
.unwrap();
eprintln!("debugging keys:");
eprintln!(" (E) Enter exclusive fullscreen");
eprintln!(" (F) Toggle borderless fullscreen");
eprintln!(" (M) Toggle minimized");
eprintln!(" (Q) Quit event loop");
eprintln!(" (V) Toggle visibility");
eprintln!(" (X) Toggle maximized");
let mut minimized = false;
let mut maximized = false;
let mut visible = true;
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
match event {
Event::DeviceEvent {
event:
DeviceEvent::Key(KeyboardInput {
virtual_keycode: Some(key),
state: ElementState::Pressed,
..
}),
..
} => match key {
VirtualKeyCode::M => {
if minimized {
minimized = !minimized;
window.set_minimized(minimized);
}
}
VirtualKeyCode::V => {
if !visible {
visible = !visible;
window.set_visible(visible);
}
}
_ => (),
},
Event::WindowEvent {
event: WindowEvent::KeyboardInput { input, .. },
..
} => match input {
KeyboardInput {
virtual_keycode: Some(key),
state: ElementState::Pressed,
..
} => match key {
VirtualKeyCode::E => {
fn area(size: PhysicalSize<u32>) -> u32 {
size.width * size.height
}
let monitor = window.current_monitor().unwrap();
if let Some(mode) = monitor
.video_modes()
.max_by(|a, b| area(a.size()).cmp(&area(b.size())))
{
window.set_fullscreen(Some(Fullscreen::Exclusive(mode)));
} else {
eprintln!("no video modes available");
}
}
VirtualKeyCode::F => {
if window.fullscreen().is_some() {
window.set_fullscreen(None);
} else {
let monitor = window.current_monitor().unwrap();
window.set_fullscreen(Some(Fullscreen::Borderless(monitor)));
}
}
VirtualKeyCode::M => {
minimized = !minimized;
window.set_minimized(minimized);
}
VirtualKeyCode::Q => {
*control_flow = ControlFlow::Exit;
}
VirtualKeyCode::V => {
visible = !visible;
window.set_visible(visible);
}
VirtualKeyCode::X => {
maximized = !maximized;
window.set_maximized(maximized);
}
_ => (),
},
_ => (),
},
Event::WindowEvent {
event: WindowEvent::CloseRequested,
window_id,
} if window_id == window.id() => *control_flow = ControlFlow::Exit,
_ => (),
}
});
}