sdl_joyhatevent(3) - Linux man page

Name

SDL_JoyHatEvent - Joystick hat position change event structure

Structure Definition

CWtypedef 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

See Also

SDL_Event, Joystick Functions, SDL_JoystickEventState, SDL_JoystickGetHat