typedef struct{
  Uint8 type;
  Uint8 which;
  Uint8 hat;
  Uint8 value;
} SDL_JoyHatEvent;SDL_JoyHatEvent is a member of the SDL_Event union and is used when an event of type SDL_JOYHATMOTION is reported.
A SDL_JOYHATMOTION event occurs when ever a user moves a hat on the joystick. The field which is the index of the joystick that reported the event and hat is the index of the hat (for a more detailed exlaination see the Joystick section). value is the current position of the hat. It is a logically OR'd combination of the following values (whose meanings should be pretty obvious:) :
| SDL_HAT_CENTERED | 
| SDL_HAT_UP | 
| SDL_HAT_RIGHT | 
| SDL_HAT_DOWN | 
| SDL_HAT_LEFT | 
The following defines are also provided:
| SDL_HAT_RIGHTUP | 
| SDL_HAT_RIGHTDOWN | 
| SDL_HAT_LEFTUP | 
| SDL_HAT_LEFTDOWN |