Detect mouse outside game window event?

[3dRaven]

How to tell when application has lost focus (i.e alt tab)

You can call IsForegroundWindow() on your LocalPlayer’s ViewportClient->Viewport. Something like: ULocalPlayer* LocPlayer = Cast<ULocalPlayer>(Player); if (!LocPlayer->ViewportClient->Viewport || !LocPlayer->ViewportClient->Viewport->IsForegroundWindow()) { // viewport is either not present or not in the foreground. } …should work for you. Player lives within the PlayerController, so the above code will work if called from within a playerController, or can be called somewhere else by gr…

You can detect if the game has lost focus, but you can’t detect clicks outside of the application.