extern crate winit;

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

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
];