mirror of
https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2025-01-12 05:31:31 +11:00
Mac: Use platform specific iterators.
This commit is contained in:
Glenn Watson
Pierre Krieger
parent
8b3750ec3d
commit
95b1c96181
262
src/cocoa/mod.rs
262
src/cocoa/mod.rs
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@ -25,6 +25,7 @@ use std::ptr;
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use std::collections::RingBuf;
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use std::str::FromStr;
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use std::str::from_utf8;
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use std::sync::Mutex;
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use std::ascii::AsciiExt;
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use events::Event::{MouseInput, MouseMoved, ReceivedCharacter, KeyboardInput, MouseWheel};
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@ -164,6 +165,9 @@ pub struct Window {
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resize: Option<fn(u32, u32)>,
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is_closed: Cell<bool>,
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/// Events that have been retreived with XLib but not dispatched with iterators yet
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pending_events: Mutex<RingBuf<Event>>,
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}
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#[cfg(feature = "window")]
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@ -189,6 +193,146 @@ impl WindowProxy {
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}
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}
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pub struct PollEventsIterator<'a> {
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window: &'a Window,
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}
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impl<'a> Iterator for PollEventsIterator<'a> {
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type Item = Event;
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fn next(&mut self) -> Option<Event> {
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if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
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return Some(ev);
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}
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unsafe {
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let event = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_(
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NSAnyEventMask.bits(),
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NSDate::distantPast(nil),
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NSDefaultRunLoopMode,
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YES);
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if event == nil { return None; }
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{
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// Create a temporary structure with state that delegates called internally
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// by sendEvent can read and modify. When that returns, update window state.
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// This allows the synchronous resize loop to continue issuing callbacks
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// to the user application, by passing handler through to the delegate state.
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let mut ds = DelegateState {
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is_closed: self.window.is_closed.get(),
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context: self.window.context,
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window: self.window.window,
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view: self.window.view,
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handler: self.window.resize,
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};
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self.window.delegate.set_state(&mut ds);
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NSApp().sendEvent_(event);
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self.window.delegate.set_state(ptr::null_mut());
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self.window.is_closed.set(ds.is_closed);
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}
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let event = match msg_send()(event, selector("type")) {
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NSLeftMouseDown => { Some(MouseInput(Pressed, MouseButton::Left)) },
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NSLeftMouseUp => { Some(MouseInput(Released, MouseButton::Left)) },
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NSRightMouseDown => { Some(MouseInput(Pressed, MouseButton::Right)) },
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NSRightMouseUp => { Some(MouseInput(Released, MouseButton::Right)) },
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NSMouseMoved => {
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let window_point = event.locationInWindow();
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let window: id = msg_send()(event, selector("window"));
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let view_point = if window == 0 {
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let window_rect = self.window.window.convertRectFromScreen_(NSRect::new(window_point, NSSize::new(0.0, 0.0)));
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self.window.view.convertPoint_fromView_(window_rect.origin, nil)
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} else {
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self.window.view.convertPoint_fromView_(window_point, nil)
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};
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let view_rect = NSView::frame(self.window.view);
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let scale_factor = self.window.hidpi_factor();
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Some(MouseMoved(((scale_factor * view_point.x as f32) as i32,
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(scale_factor * (view_rect.size.height - view_point.y) as f32) as i32)))
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},
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NSKeyDown => {
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let mut events = RingBuf::new();
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let received_c_str = event.characters().UTF8String();
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let received_str = CString::from_slice(c_str_to_bytes(&received_c_str));
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for received_char in from_utf8(received_str.as_bytes()).unwrap().chars() {
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if received_char.is_ascii() {
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events.push_back(ReceivedCharacter(received_char));
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}
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}
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let vkey = event::vkeycode_to_element(NSEvent::keyCode(event));
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events.push_back(KeyboardInput(Pressed, NSEvent::keyCode(event) as u8, vkey));
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let event = events.pop_front();
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self.window.pending_events.lock().unwrap().extend(events.into_iter());
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event
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},
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NSKeyUp => {
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let vkey = event::vkeycode_to_element(NSEvent::keyCode(event));
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Some(KeyboardInput(Released, NSEvent::keyCode(event) as u8, vkey))
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},
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NSFlagsChanged => {
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let mut events = RingBuf::new();
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let shift_modifier = Window::modifier_event(event, appkit::NSShiftKeyMask, events::VirtualKeyCode::LShift, shift_pressed);
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if shift_modifier.is_some() {
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shift_pressed = !shift_pressed;
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events.push_back(shift_modifier.unwrap());
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}
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let ctrl_modifier = Window::modifier_event(event, appkit::NSControlKeyMask, events::VirtualKeyCode::LControl, ctrl_pressed);
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if ctrl_modifier.is_some() {
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ctrl_pressed = !ctrl_pressed;
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events.push_back(ctrl_modifier.unwrap());
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}
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let win_modifier = Window::modifier_event(event, appkit::NSCommandKeyMask, events::VirtualKeyCode::LWin, win_pressed);
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if win_modifier.is_some() {
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win_pressed = !win_pressed;
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events.push_back(win_modifier.unwrap());
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}
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let alt_modifier = Window::modifier_event(event, appkit::NSAlternateKeyMask, events::VirtualKeyCode::LAlt, alt_pressed);
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if alt_modifier.is_some() {
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alt_pressed = !alt_pressed;
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events.push_back(alt_modifier.unwrap());
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}
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let event = events.pop_front();
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self.window.pending_events.lock().unwrap().extend(events.into_iter());
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event
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},
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NSScrollWheel => { Some(MouseWheel(-event.scrollingDeltaY() as i32)) },
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_ => { None },
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};
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event
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}
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}
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}
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pub struct WaitEventsIterator<'a> {
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window: &'a Window,
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}
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impl<'a> Iterator for WaitEventsIterator<'a> {
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type Item = Event;
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fn next(&mut self) -> Option<Event> {
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loop {
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if let Some(ev) = self.window.pending_events.lock().unwrap().pop_front() {
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return Some(ev);
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}
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unsafe {
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let event = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_(
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NSAnyEventMask.bits(),
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NSDate::distantFuture(nil),
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NSDefaultRunLoopMode,
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NO);
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}
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// calling poll_events()
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if let Some(ev) = self.window.poll_events().next() {
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return Some(ev);
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}
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}
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}
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}
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impl Window {
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#[cfg(feature = "window")]
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pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
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@ -234,6 +378,7 @@ impl Window {
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resize: None,
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is_closed: Cell::new(false),
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pending_events: Mutex::new(RingBuf::new()),
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};
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Ok(window)
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@ -403,102 +548,16 @@ impl Window {
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WindowProxy
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}
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pub fn poll_events(&self) -> RingBuf<Event> {
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let mut events = RingBuf::new();
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loop {
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unsafe {
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let event = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_(
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NSAnyEventMask.bits(),
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NSDate::distantPast(nil),
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NSDefaultRunLoopMode,
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YES);
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if event == nil { break; }
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{
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// Create a temporary structure with state that delegates called internally
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// by sendEvent can read and modify. When that returns, update window state.
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// This allows the synchronous resize loop to continue issuing callbacks
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// to the user application, by passing handler through to the delegate state.
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let mut ds = DelegateState {
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is_closed: self.is_closed.get(),
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context: self.context,
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window: self.window,
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view: self.view,
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handler: self.resize,
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};
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self.delegate.set_state(&mut ds);
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NSApp().sendEvent_(event);
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self.delegate.set_state(ptr::null_mut());
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self.is_closed.set(ds.is_closed);
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}
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match msg_send()(event, selector("type")) {
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NSLeftMouseDown => { events.push_back(MouseInput(Pressed, MouseButton::Left)); },
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NSLeftMouseUp => { events.push_back(MouseInput(Released, MouseButton::Left)); },
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NSRightMouseDown => { events.push_back(MouseInput(Pressed, MouseButton::Right)); },
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NSRightMouseUp => { events.push_back(MouseInput(Released, MouseButton::Right)); },
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NSMouseMoved => {
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let window_point: NSPoint = msg_send()(event, selector("locationInWindow"));
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// let window_point = event.locationInWindow();
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let window: id = msg_send()(event, selector("window"));
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let view_point = if window == 0 {
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let window_rect = self.window.convertRectFromScreen_(NSRect::new(window_point, NSSize::new(0.0, 0.0)));
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self.view.convertPoint_fromView_(window_rect.origin, nil)
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} else {
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self.view.convertPoint_fromView_(window_point, nil)
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};
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let view_rect = NSView::frame(self.view);
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let scale_factor = self.hidpi_factor();
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events.push_back(MouseMoved(((scale_factor * view_point.x as f32) as i32,
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(scale_factor * (view_rect.size.height - view_point.y) as f32) as i32)));
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},
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NSKeyDown => {
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let received_c_str = event.characters().UTF8String();
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let received_str = CString::from_slice(c_str_to_bytes(&received_c_str));
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for received_char in from_utf8(received_str.as_bytes()).unwrap().chars() {
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if received_char.is_ascii() {
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events.push_back(ReceivedCharacter(received_char));
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}
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}
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let vkey = event::vkeycode_to_element(NSEvent::keyCode(event));
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events.push_back(KeyboardInput(Pressed, NSEvent::keyCode(event) as u8, vkey));
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},
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NSKeyUp => {
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let vkey = event::vkeycode_to_element(NSEvent::keyCode(event));
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events.push_back(KeyboardInput(Released, NSEvent::keyCode(event) as u8, vkey));
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},
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NSFlagsChanged => {
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let shift_modifier = Window::modifier_event(event, appkit::NSShiftKeyMask, events::VirtualKeyCode::LShift, shift_pressed);
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if shift_modifier.is_some() {
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shift_pressed = !shift_pressed;
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events.push_back(shift_modifier.unwrap());
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}
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let ctrl_modifier = Window::modifier_event(event, appkit::NSControlKeyMask, events::VirtualKeyCode::LControl, ctrl_pressed);
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if ctrl_modifier.is_some() {
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ctrl_pressed = !ctrl_pressed;
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events.push_back(ctrl_modifier.unwrap());
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}
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let win_modifier = Window::modifier_event(event, appkit::NSCommandKeyMask, events::VirtualKeyCode::LWin, win_pressed);
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if win_modifier.is_some() {
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win_pressed = !win_pressed;
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events.push_back(win_modifier.unwrap());
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}
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let alt_modifier = Window::modifier_event(event, appkit::NSAlternateKeyMask, events::VirtualKeyCode::LAlt, alt_pressed);
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if alt_modifier.is_some() {
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alt_pressed = !alt_pressed;
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events.push_back(alt_modifier.unwrap());
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}
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},
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NSScrollWheel => { events.push_back(MouseWheel(event.scrollingDeltaY() as i32)); },
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NSOtherMouseDown => { },
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NSOtherMouseUp => { },
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NSOtherMouseDragged => { },
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_ => { },
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}
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}
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pub fn poll_events(&self) -> PollEventsIterator {
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PollEventsIterator {
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window: self
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}
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}
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pub fn wait_events(&self) -> WaitEventsIterator {
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WaitEventsIterator {
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window: self
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}
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events
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}
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unsafe fn modifier_event(event: id, keymask: NSEventModifierFlags, key: events::VirtualKeyCode, key_pressed: bool) -> Option<Event> {
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@ -511,19 +570,6 @@ impl Window {
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return None;
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}
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pub fn wait_events(&self) -> RingBuf<Event> {
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unsafe {
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let event = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_(
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NSAnyEventMask.bits(),
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NSDate::distantFuture(nil),
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NSDefaultRunLoopMode,
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NO);
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NSApp().sendEvent_(event);
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self.poll_events()
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}
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}
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pub unsafe fn make_current(&self) {
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let _: id = msg_send()(self.context, selector("update"));
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self.context.makeCurrentContext();
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