which Joystick device index
hat Joystick hat index
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:) :
The following defines are also provided: