fn run_window_event_handlers(&mut self, event: &mut WindowEvent, event_loop: &EventLoopWindowTarget) -> bool {
		use super::util::RetainMut;

		let window_index = match self.windows.iter().position(|x| x.id() == event.window_id()) {
			Some(x) => x,
			None => return true,
		};

		let mut event_handlers = std::mem::replace(&mut self.windows[window_index].event_handlers, Vec::new());

		let mut stop_propagation = false;
		event_handlers.retain_mut(|handler| {
			if stop_propagation {
				false
			} else {
				let context_handle = ContextHandle::new(self, event_loop);
				let mut window_handle = WindowHandle::new(context_handle, event.window_id());
				let mut control = EventHandlerControlFlow::default();
				(handler)(&mut window_handle, event, &mut control);
				stop_propagation = control.stop_propagation;
				!control.remove_handler
			}
		});

		let new_event_handlers = std::mem::replace(&mut self.windows[window_index].event_handlers, Vec::new());
		event_handlers.extend(new_event_handlers);
		self.windows[window_index].event_handlers = event_handlers;

		!stop_propagation
	}
/// Run window-specific event handlers.
Run window-specific event handlers.
Run window - specific event handlers .
fn run_window_event_handlers(&mut self, event: &mut WindowEvent, event_loop: &EventLoopWindowTarget) -> bool {
		use super::util::RetainMut;
		let window_index = match self.windows.iter().position(|x| x.id() == event.window_id()) {
			Some(x) => x,
			None => return true,
		};
		let mut event_handlers = std::mem::replace(&mut self.windows[window_index].event_handlers, Vec::new());
		let mut stop_propagation = false;
		event_handlers.retain_mut(|handler| {
			if stop_propagation {
				false
			} else {
				let context_handle = ContextHandle::new(self, event_loop);
				let mut window_handle = WindowHandle::new(context_handle, event.window_id());
				let mut control = EventHandlerControlFlow::default();
				(handler)(&mut window_handle, event, &mut control);
				stop_propagation = control.stop_propagation;
				!control.remove_handler
			}
		});
		let new_event_handlers = std::mem::replace(&mut self.windows[window_index].event_handlers, Vec::new());
		event_handlers.extend(new_event_handlers);
		self.windows[window_index].event_handlers = event_handlers;
		!stop_propagation
	}
fn run_window_event_handlers ( & mut self , event : & mut WindowEvent , event_loop : & EventLoopWindowTarget ) -> bool { use super :: util :: RetainMut ; let window_index = match self . windows . iter ( ) . position ( | x | x . id ( ) == event . window_id ( ) ) { Some ( x ) => x , None => return true , } ; let mut event_handlers = std :: mem :: replace ( & mut self . windows [ window_index ] . event_handlers , Vec :: new ( ) ) ; let mut stop_propagation = false ; event_handlers . retain_mut ( | handler | { if stop_propagation { false } else { let context_handle = ContextHandle :: new ( self , event_loop ) ; let mut window_handle = WindowHandle :: new ( context_handle , event . window_id ( ) ) ; let mut control = EventHandlerControlFlow :: default ( ) ; ( handler ) ( & mut window_handle , event , & mut control ) ; stop_propagation = control . stop_propagation ; ! control . remove_handler } } ) ; let new_event_handlers = std :: mem :: replace ( & mut self . windows [ window_index ] . event_handlers , Vec :: new ( ) ) ; event_handlers . extend ( new_event_handlers ) ; self . windows [ window_index ] . event_handlers = event_handlers ; ! stop_propagation }
Run window-specific event handlers.
Run window - specific event handlers .
&mut self
event
&mut WindowEvent
event_loop
&EventLoopWindowTarget