Send resize events immediately

Author: francesca64

src/platform_impl/macos/app_state.rs

@@ -239,6 +239,13 @@ impl AppState {
         HANDLER.events().append(&mut events);
     }
 
+    pub fn send_event_immediately(event: Event<Never>) {
+        if !unsafe { msg_send![class!(NSThread), isMainThread] } {
+            panic!("uh-oh");
+        }
+        HANDLER.handle_nonuser_event(event);
+    }
+
     pub fn cleared() {
         if !HANDLER.is_ready() { return }
         HANDLER.handle_user_events();

src/platform_impl/macos/window_delegate.rs

@@ -75,7 +75,11 @@ impl WindowDelegateState {
     pub fn emit_resize_event(&mut self) {
         let rect = unsafe { NSView::frame(*self.nsview) };
         let size = LogicalSize::new(rect.size.width as f64, rect.size.height as f64);
-        self.emit_event(WindowEvent::Resized(size));
+        let event = Event::WindowEvent {
+            window_id: WindowId(get_window_id(*self.nswindow)),
+            event: WindowEvent::Resized(size),
+        };
+        AppState::send_event_immediately(event);
     }
 
     fn emit_move_event(&mut self) {