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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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38
src/platform_impl/macos/util.rs Normal file
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use cocoa::appkit::NSWindowStyleMask;
use cocoa::base::{id, nil};
use cocoa::foundation::{NSRect, NSUInteger};
use core_graphics::display::CGDisplay;
use platform_impl::platform::ffi;
use platform_impl::platform::window::IdRef;
pub const EMPTY_RANGE: ffi::NSRange = ffi::NSRange {
location: ffi::NSNotFound as NSUInteger,
length: 0,
};
// For consistency with other platforms, this will...
// 1. translate the bottom-left window corner into the top-left window corner
// 2. translate the coordinate from a bottom-left origin coordinate system to a top-left one
pub fn bottom_left_to_top_left(rect: NSRect) -> f64 {
CGDisplay::main().pixels_high() as f64 - (rect.origin.y + rect.size.height)
}
pub unsafe fn set_style_mask(window: id, view: id, mask: NSWindowStyleMask) {
use cocoa::appkit::NSWindow;
window.setStyleMask_(mask);
// If we don't do this, key handling will break. Therefore, never call `setStyleMask` directly!
window.makeFirstResponder_(view);
}
pub unsafe fn create_input_context(view: id) -> IdRef {
let input_context: id = msg_send![class!(NSTextInputContext), alloc];
let input_context: id = msg_send![input_context, initWithClient:view];
IdRef::new(input_context)
}
#[allow(dead_code)]
pub unsafe fn open_emoji_picker() {
let app: id = msg_send![class!(NSApplication), sharedApplication];
let _: () = msg_send![app, orderFrontCharacterPalette:nil];
}