winit-sonoma-fix/examples/cursor.rs

use winit::{
    event::{ElementState, Event, KeyboardInput, WindowEvent},
    event_loop::{ControlFlow, EventLoop},
    window::{CursorIcon, WindowBuilder},
};

fn main() {
    let event_loop = EventLoop::new();

    let window = WindowBuilder::new().build(&event_loop).unwrap();
    window.set_title("A fantastic window!");

    let mut cursor_idx = 0;

    event_loop.run(move |event, _, control_flow| match event {
        Event::WindowEvent {
            event:
                WindowEvent::KeyboardInput {
                    input:
                        KeyboardInput {
                            state: ElementState::Pressed,
                            ..
                        },
                    ..
                },
            ..
        } => {
            println!("Setting cursor to \"{:?}\"", CURSORS[cursor_idx]);
            window.set_cursor_icon(CURSORS[cursor_idx]);
            if cursor_idx < CURSORS.len() - 1 {
                cursor_idx += 1;
            } else {
                cursor_idx = 0;
            }
        }
        Event::WindowEvent {
            event: WindowEvent::CloseRequested,
            ..
        } => {
            *control_flow = ControlFlow::Exit;
            return;
        }
        _ => (),
    });
}

const CURSORS: &[CursorIcon] = &[
    CursorIcon::Default,
    CursorIcon::Crosshair,
    CursorIcon::Hand,
    CursorIcon::Arrow,
    CursorIcon::Move,
    CursorIcon::Text,
    CursorIcon::Wait,
    CursorIcon::Help,
    CursorIcon::Progress,
    CursorIcon::NotAllowed,
    CursorIcon::ContextMenu,
    CursorIcon::Cell,
    CursorIcon::VerticalText,
    CursorIcon::Alias,
    CursorIcon::Copy,
    CursorIcon::NoDrop,
    CursorIcon::Grab,
    CursorIcon::Grabbing,
    CursorIcon::AllScroll,
    CursorIcon::ZoomIn,
    CursorIcon::ZoomOut,
    CursorIcon::EResize,
    CursorIcon::NResize,
    CursorIcon::NeResize,
    CursorIcon::NwResize,
    CursorIcon::SResize,
    CursorIcon::SeResize,
    CursorIcon::SwResize,
    CursorIcon::WResize,
    CursorIcon::EwResize,
    CursorIcon::NsResize,
    CursorIcon::NeswResize,
    CursorIcon::NwseResize,
    CursorIcon::ColResize,
    CursorIcon::RowResize,
];