winit-sonoma-fix/examples/cursor.rs
Osspial 9602716ed2
Event Loop 2.0 API and Windows implementation (#638)
* Rename EventsLoop and associated types to EventLoop

* Rename WindowEvent::Refresh to WindowEvent::Redraw

* Remove second thread from win32 backend

* Update run_forever to hijack thread

* Replace windows Mutex with parking_lot Mutex

* Implement new ControlFlow and associated events

* Add StartCause::Init support, timer example

* Add ability to send custom user events

* Fully invert windows control flow so win32 calls into winit's callback

* Add request_redraw

* Rename platform to platform_impl

* Rename os to platform, add Ext trait postfixes

* Add platform::desktop module with EventLoopExt::run_return

* Re-organize into module structure

* Improve documentation

* Small changes to examples

* Improve docs for run and run_return

* Change instances of "events_loop" to "event_loop"

* Rename MonitorId to MonitorHandle

* Add CHANGELOG entry

* Improve WaitUntil timer precision

* When SendEvent is called during event closure, buffer events

* Fix resize lag when waiting in some situations

* Update send test and errors that broke some examples/APIs

* Improve clarity/fix typos in docs

* Fix unreachable panic after setting ControlFlow to Poll during some RedrawRequested events.

* Fix crash when running in release mode

* Remove crossbeam dependency and make drop events work again

* Remove serde implementations from ControlFlow

* Fix 1.24.1 build

* Fix freeze when setting decorations

* Replace &EventLoop in callback with &EventLoopWindowTarget

* Document and implement Debug for EventLoopWindowTarget

* Fix some deadlocks that could occur when changing window state

* Fix thread executor not executing closure when called from non-loop thread

* Fix buffered events not getting dispatched

* Fix crash with runner refcell not getting dropped

* Address review feedback

* Fix CHANGELOG typo

* Catch panics in user callback
2019-02-05 10:30:33 -05:00

49 lines
1.9 KiB
Rust

extern crate winit;
use winit::window::{WindowBuilder, MouseCursor};
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(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: &[MouseCursor] = &[
MouseCursor::Default, MouseCursor::Crosshair, MouseCursor::Hand,
MouseCursor::Arrow, MouseCursor::Move, MouseCursor::Text,
MouseCursor::Wait, MouseCursor::Help, MouseCursor::Progress,
MouseCursor::NotAllowed, MouseCursor::ContextMenu, MouseCursor::Cell,
MouseCursor::VerticalText, MouseCursor::Alias, MouseCursor::Copy,
MouseCursor::NoDrop, MouseCursor::Grab, MouseCursor::Grabbing,
MouseCursor::AllScroll, MouseCursor::ZoomIn, MouseCursor::ZoomOut,
MouseCursor::EResize, MouseCursor::NResize, MouseCursor::NeResize,
MouseCursor::NwResize, MouseCursor::SResize, MouseCursor::SeResize,
MouseCursor::SwResize, MouseCursor::WResize, MouseCursor::EwResize,
MouseCursor::NsResize, MouseCursor::NeswResize, MouseCursor::NwseResize,
MouseCursor::ColResize, MouseCursor::RowResize
];