SDL_JoyHatEvent (3) - Linux Manuals

SDL_JoyHatEvent: Joystick hat position change event structure

NAME

SDL_JoyHatEvent - Joystick hat position change event structure

STRUCTURE DEFINITION

typedef struct{
  Uint8 type;
  Uint8 which;
  Uint8 hat;
  Uint8 value;
} SDL_JoyHatEvent;

STRUCTURE DATA

type

SDL_JOY

which

Joystick device index

hat

Joystick hat index

value

Hat position

DESCRIPTION

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