SDL_JoyButtonEvent- Joystick button event structure
SDL_JOYBUTTONDOWN or SDL_JOYBUTTONUP
Joystick device index
Joystick button index
SDL_PRESSED or SDL_RELEASED
SDL_JoyButtonEvent is a member of the SDL_Event union and is used when an event
of type SDL_JOYBUTTONDOWN or SDL_JOYBUTTONUP is reported.
A SDL_JOYBUTTONDOWN or SDL_JOYBUTTONUP event occurs when ever a user presses or
releases a button on a joystick. The field which is the index of the joystick
that reported the event and button is the index of the button (for a more
detailed explaination see the Joystick section). state is the current state or
the button which is either SDL_PRESSED or SDL_RELEASED.
SDL_Event, Joystick Functions, SDL_JoystickEventState, SDL_JoystickGetButton