typedef SDL_MouseButtonEvent ButtonEvent;
typedef SDL_MouseMotionEvent MotionEvent;
#if defined(TARGET_SDL2)
+typedef SDL_MouseWheelEvent WheelEvent;
typedef SDL_TouchFingerEvent FingerEvent;
typedef SDL_TextInputEvent TextEvent;
typedef SDL_Event PauseResumeEvent;
#define EVENT_BUTTONRELEASE SDL_MOUSEBUTTONUP
#define EVENT_MOTIONNOTIFY SDL_MOUSEMOTION
#if defined(TARGET_SDL2)
+#define EVENT_WHEELMOTION SDL_MOUSEWHEEL
#define EVENT_FINGERPRESS SDL_FINGERDOWN
#define EVENT_FINGERRELEASE SDL_FINGERUP
#define EVENT_FINGERMOTION SDL_FINGERMOTION