Remove mouse events that closed the popup from queue, to fix pop-up reopening.

platform/linuxbsd/display_server_x11.cpp

@@ -3298,19 +3298,20 @@ void DisplayServerX11::popup_close(WindowID p_window) {
 	}
 }
 
-void DisplayServerX11::mouse_process_popups() {
+bool DisplayServerX11::mouse_process_popups() {
 	_THREAD_SAFE_METHOD_
 
 	if (popup_list.is_empty()) {
-		return;
+		return false;
 	}
 
 	uint64_t delta = OS::get_singleton()->get_ticks_msec() - time_since_popup;
 	if (delta < 250) {
-		return;
+		return false;
 	}
 
 	int number_of_screens = XScreenCount(x11_display);
+	bool closed = false;
 	for (int i = 0; i < number_of_screens; i++) {
 		Window root, child;
 		int root_x, root_y, win_x, win_y;
@@ -3340,6 +3341,7 @@ void DisplayServerX11::mouse_process_popups() {
 					}
 					if (C) {
 						_send_window_event(windows[C->get()], DisplayServerX11::WINDOW_EVENT_CLOSE_REQUEST);
+						closed = true;
 					}
 				}
 			}
@@ -3347,6 +3349,7 @@ void DisplayServerX11::mouse_process_popups() {
 			last_mouse_monitor_pos = pos;
 		}
 	}
+	return closed;
 }
 
 void DisplayServerX11::process_events() {
@@ -3357,7 +3360,7 @@ void DisplayServerX11::process_events() {
 	++frame;
 #endif
 
-	mouse_process_popups();
+	bool ignore_events = mouse_process_popups();
 
 	if (app_focused) {
 		//verify that one of the windows has focus, else send focus out notification
@@ -3407,6 +3410,10 @@ void DisplayServerX11::process_events() {
 
 	for (uint32_t event_index = 0; event_index < events.size(); ++event_index) {
 		XEvent &event = events[event_index];
+		if (ignore_events) {
+			XFreeEventData(x11_display, &event.xcookie);
+			continue;
+		}
 
 		WindowID window_id = MAIN_WINDOW_ID;
 

platform/linuxbsd/display_server_x11.h

@@ -295,7 +295,7 @@ protected:
 	void _window_changed(XEvent *event);
 
 public:
-	void mouse_process_popups();
+	bool mouse_process_popups();
 	void popup_open(WindowID p_window);
 	void popup_close(WindowID p_window);
 

platform/osx/display_server_osx.h

@@ -208,7 +208,7 @@ public:
 	void push_to_key_event_buffer(const KeyEvent &p_event);
 	void update_im_text(const Point2i &p_selection, const String &p_text);
 	void set_last_focused_window(WindowID p_window);
-	void mouse_process_popups(bool p_close = false);
+	bool mouse_process_popups(bool p_close = false);
 	void popup_open(WindowID p_window);
 	void popup_close(WindowID p_window);
 	void set_is_resizing(bool p_is_resizing);

platform/osx/display_server_osx.mm

@@ -569,9 +569,6 @@ DisplayServerOSX::WindowData &DisplayServerOSX::get_window(WindowID p_window) {
 }
 
 void DisplayServerOSX::send_event(NSEvent *p_event) {
-	if ([p_event type] == NSEventTypeLeftMouseDown || [p_event type] == NSEventTypeRightMouseDown || [p_event type] == NSEventTypeOtherMouseDown) {
-		mouse_process_popups();
-	}
 	// Special case handling of command-period, which is traditionally a special
 	// shortcut in macOS and doesn't arrive at our regular keyDown handler.
 	if ([p_event type] == NSEventTypeKeyDown) {
@@ -3085,15 +3082,17 @@ void DisplayServerOSX::popup_close(WindowID p_window) {
 	}
 }
 
-void DisplayServerOSX::mouse_process_popups(bool p_close) {
+bool DisplayServerOSX::mouse_process_popups(bool p_close) {
 	_THREAD_SAFE_METHOD_
 
 	bool was_empty = popup_list.is_empty();
+	bool closed = false;
 	if (p_close) {
 		// Close all popups.
 		List<WindowID>::Element *E = popup_list.front();
 		if (E) {
 			send_window_event(windows[E->get()], DisplayServerOSX::WINDOW_EVENT_CLOSE_REQUEST);
+			closed = true;
 		}
 		if (!was_empty) {
 			// Inform OS that all popups are closed.
@@ -3102,7 +3101,7 @@ void DisplayServerOSX::mouse_process_popups(bool p_close) {
 	} else {
 		uint64_t delta = OS::get_singleton()->get_ticks_msec() - time_since_popup;
 		if (delta < 250) {
-			return;
+			return false;
 		}
 
 		Point2i pos = mouse_get_position();
@@ -3125,12 +3124,14 @@ void DisplayServerOSX::mouse_process_popups(bool p_close) {
 		}
 		if (C) {
 			send_window_event(windows[C->get()], DisplayServerOSX::WINDOW_EVENT_CLOSE_REQUEST);
+			closed = true;
 		}
 		if (!was_empty && popup_list.is_empty()) {
 			// Inform OS that all popups are closed.
 			[[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"com.apple.HIToolbox.endMenuTrackingNotification" object:@"org.godotengine.godot.popup_window"];
 		}
 	}
+	return closed;
 }
 
 DisplayServerOSX::DisplayServerOSX(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {

platform/osx/godot_application.mm

@@ -37,6 +37,11 @@
 - (void)sendEvent:(NSEvent *)event {
 	DisplayServerOSX *ds = (DisplayServerOSX *)DisplayServer::get_singleton();
 	if (ds) {
+		if ([event type] == NSEventTypeLeftMouseDown || [event type] == NSEventTypeRightMouseDown || [event type] == NSEventTypeOtherMouseDown) {
+			if (ds->mouse_process_popups()) {
+				return;
+			}
+		}
 		ds->send_event(event);
 	}
 

platform/windows/display_server_windows.cpp

@@ -2199,6 +2199,7 @@ LRESULT DisplayServerWindows::MouseProc(int code, WPARAM wParam, LPARAM lParam)
 				}
 				if (C) {
 					_send_window_event(windows[C->get()], DisplayServerWindows::WINDOW_EVENT_CLOSE_REQUEST);
+					return 1;
 				}
 			} break;
 		}