fix an issue with double clicking in gui

Source/NSMenuView.m

@@ -1545,6 +1545,7 @@ - (BOOL) _trackWithEvent: (NSEvent*)event
   BOOL justAttachedNewSubmenu = NO;
   BOOL subMenusNeedRemoving = YES;
   BOOL shouldFinish = YES;
+  BOOL shouldStop = NO;
   BOOL popUpProcessEvents = [[GSTheme theme] doesProcessEventsForPopUpMenu];
   int delayCount = 0;
   int indexOfActionToExecute = -1;
@@ -1826,18 +1827,24 @@ - (BOOL) _trackWithEvent: (NSEvent*)event
         }
 
       do
-	{
-	  event = [NSApp nextEventMatchingMask: eventMask
-				     untilDate: theDistantFuture
-					inMode: NSEventTrackingRunLoopMode
-				       dequeue: YES];
-	  type = [event type];
-	  if (type == NSAppKitDefined)
-	    {
-	      [[event window] sendEvent: event];
-	    }
-	}
-      while (type == NSAppKitDefined);
+      {
+        event = [NSApp nextEventMatchingMask: eventMask
+                untilDate: theDistantFuture
+              inMode: NSEventTrackingRunLoopMode
+                  dequeue: YES];
+        type = [event type];
+        // once we mouse up we shouldn't wait for other events
+        if (type == NSLeftMouseUp || type == NSRightMouseUp || type == NSOtherMouseUp)
+        {
+          shouldFinish = YES;
+          shouldStop = YES;  // Set the stop flag when mouse-up occurs
+          break;  // Exit the loop to proceed to StopPeriodicEvents
+        }
+        if (type == NSAppKitDefined)
+        {
+          [[event window] sendEvent: event];
+        }
+      } while (type == NSAppKitDefined);
     }
   while ((type != NSLeftMouseUp &&
 	  type != NSRightMouseUp &&