winit-sonoma-fix/examples/window_resize_increments.rs

use log::debug;
use simple_logger::SimpleLogger;
use winit::{
    dpi::LogicalSize,
    event::{ElementState, Event, KeyEvent, WindowEvent},
    event_loop::EventLoop,
    keyboard::Key,
    window::WindowBuilder,
};

#[path = "util/fill.rs"]
mod fill;

fn main() -> Result<(), impl std::error::Error> {
    SimpleLogger::new().init().unwrap();
    let event_loop = EventLoop::new().unwrap();

    let window = WindowBuilder::new()
        .with_title("A fantastic window!")
        .with_inner_size(LogicalSize::new(128.0, 128.0))
        .with_resize_increments(LogicalSize::new(25.0, 25.0))
        .build(&event_loop)
        .unwrap();

    let mut has_increments = true;

    event_loop.run(move |event, _, control_flow| {
        control_flow.set_wait();

        match event {
            Event::WindowEvent { event, window_id } if window_id == window.id() => match event {
                WindowEvent::CloseRequested => control_flow.set_exit(),
                WindowEvent::KeyboardInput {
                    event:
                        KeyEvent {
                            logical_key: Key::Space,
                            state: ElementState::Released,
                            ..
                        },
                    ..
                } => {
                    has_increments = !has_increments;

                    let new_increments = match window.resize_increments() {
                        Some(_) => None,
                        None => Some(LogicalSize::new(25.0, 25.0)),
                    };
                    debug!("Had increments: {}", new_increments.is_none());
                    window.set_resize_increments(new_increments);
                }
                WindowEvent::RedrawRequested => {
                    fill::fill_window(&window);
                }
                _ => (),
            },
            Event::AboutToWait => window.request_redraw(),

            _ => (),
        }
    })
}