winit-sonoma-fix/examples/cursor.rs
Osspial 028d3ec16d
Make examples set control_flow in a more realistic way (#1363)
* Make examples set control_flow in a more realistic way

* Format
2020-01-05 02:12:03 -05:00

88 lines
2.3 KiB
Rust

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| {
*control_flow = ControlFlow::Wait;
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,
];