cursor.rs

#![allow(clippy::single_match)]

use simple_logger::SimpleLogger;
use winit::{
    event::{ElementState, Event, KeyEvent, WindowEvent},
    event_loop::EventLoop,
    window::{CursorIcon, WindowBuilder},
};

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

fn main() -> Result<(), impl std::error::Error> {
    SimpleLogger::new().init().unwrap();
    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| {
        control_flow.set_wait();

        match event {
            Event::WindowEvent {
                event:
                    WindowEvent::KeyboardInput {
                        event:
                            KeyEvent {
                                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.set_exit();
            }
            Event::RedrawRequested(_) => {
                fill::fill_window(&window);
            }
            _ => (),
        }
    })
}

const CURSORS: &[CursorIcon] = &[
    CursorIcon::Default,
    CursorIcon::Crosshair,
    CursorIcon::Pointer,
    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,
];