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Event Loop 2.0 API and Windows implementation (#638)

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* 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
This commit is contained in:
Osspial 2019-02-05 10:30:33 -05:00 • committed by GitHub
parent 7be1d16263
commit 9602716ed2
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92 changed files with 3467 additions and 1260 deletions
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25
examples/proxy.rs
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@ -1,29 +1,34 @@
extern crate winit;
use winit::window::WindowBuilder;
use winit::event::{Event, WindowEvent};
use winit::event_loop::{EventLoop, ControlFlow};
fn main() {
let mut events_loop = winit::EventsLoop::new();
let event_loop: EventLoop<i32> = EventLoop::new_user_event();
let _window = winit::WindowBuilder::new()
let _window = WindowBuilder::new()
.with_title("A fantastic window!")
.build(&events_loop)
.build(&event_loop)
.unwrap();
let proxy = events_loop.create_proxy();
let proxy = event_loop.create_proxy();
std::thread::spawn(move || {
// Wake up the `events_loop` once every second.
let mut counter = 0;
// Wake up the `event_loop` once every second.
loop {
std::thread::sleep(std::time::Duration::from_secs(1));
proxy.wakeup().unwrap();
proxy.send_event(counter).unwrap();
counter += 1;
}
});
events_loop.run_forever(|event| {
event_loop.run(move |event, _, control_flow| {
println!("{:?}", event);
match event {
winit::Event::WindowEvent { event: winit::WindowEvent::CloseRequested, .. } =>
winit::ControlFlow::Break,
_ => winit::ControlFlow::Continue,
Event::WindowEvent { event: WindowEvent::CloseRequested, .. } =>
*control_flow = ControlFlow::Exit,
_ => *control_flow = ControlFlow::Wait,
}
});
}