NAME

       SDL_GetNumJoystickBalls - Get the number of trackballs on a joystick.

HEADER FILE

       Defined in SDL3/SDL_joystick.h

SYNOPSIS

       #include "SDL3/SDL.h"

       int SDL_GetNumJoystickBalls(SDL_Joystick *joystick);

DESCRIPTION

       Joystick  trackballs  have  only  relative  motion  events associated with them and their state cannot be
       polled.

       Most joysticks do not have trackballs.

FUNCTION PARAMETERS

       joystick
              an SDL_Joystick
               structure containing joystick information.

RETURN VALUE

       Returns the number of trackballs on success or -1 on failure; call

       SDL_GetError () for more information.

AVAILABILITY

       This function is available since SDL 3.2.0.

SEE ALSO

       •(3), SDL_GetJoystickBall(3), •(3), SDL_GetNumJoystickAxes(3), •(3), SDL_GetNumJoystickButtons(3),  •(3),
       SDL_GetNumJoystickHats(3)

Simple Directmedia Layer                            SDL 3.2.8                         SDL_GetNumJoystickBalls(3)