| FWidgetPath Path = FSlateApplication::Get().LocateWindowUnderMouse(FSlateApplication::Get().GetCursorPos(), FSlateApplication::Get().GetInteractiveTopLevelWindows(), true); | |
|---|---|
| TSharedPtr vp = FSlateApplication::Get().GetGameViewport(); | |
| bool overViewPort = Path.IsValid() && (Path.GetLastWidget() == vp.ToSharedRef()); |
You can use that bool overViewPort to check if the mouse is over the game viewport or any UI.