* This function returns the current state of the application, which is a
* bitwise combination of SDL_APPMOUSEFOCUS, SDL_APPINPUTFOCUS, and
* SDL_APPACTIVE. If SDL_APPACTIVE is set, then the user is able to
* This function returns the current state of the application, which is a
* bitwise combination of SDL_APPMOUSEFOCUS, SDL_APPINPUTFOCUS, and
* SDL_APPACTIVE. If SDL_APPACTIVE is set, then the user is able to