53 #define SDL_TOUCH_MOUSEID ((Uint32)-1)
SDL_TouchID SDL_GetTouchDevice(int index)
Get the touch ID with the given index, or 0 if the index is invalid.
int SDL_GetNumTouchFingers(SDL_TouchID touchID)
Get the number of active fingers for a given touch device.
int SDL_GetNumTouchDevices(void)
Get the number of registered touch devices.
SDL_Finger * SDL_GetTouchFinger(SDL_TouchID touchID, int index)
Get the finger object of the given touch, with the given index.