DOKK / manpages / debian 10 / libsdl1.2-dev / SDL_JoyHatEvent.3.en
SDL_JoyHatEvent(3) SDL API Reference SDL_JoyHatEvent(3)

SDL_JoyHatEvent - Joystick hat position change event structure

typedef struct{

Uint8 type;
Uint8 which;
Uint8 hat;
Uint8 value; } SDL_JoyHatEvent;

SDL_JOY
Joystick device index
Joystick hat index
Hat position

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

SDL_Event, Joystick Functions, SDL_JoystickEventState, SDL_JoystickGetHat

Tue 11 Sep 2001, 22:59 SDL