Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_JoyBallEvent - Joystick trackball motion event structure (event.jball.*)
HEADER FILE
Defined in SDL3/SDL_events.h
SYNOPSIS
#include "SDL3/SDL.h" typedef struct SDL_JoyBallEvent { SDL_EventType type; /**< SDL_EVENT_JOYSTICK_BALL_MOTION */ Uint32 reserved; Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */ SDL_JoystickID which; /**< The joystick instance id */ Uint8 ball; /**< The joystick trackball index */ Uint8 padding1; Uint8 padding2; Uint8 padding3; Sint16 xrel; /**< The relative motion in the X direction */ Sint16 yrel; /**< The relative motion in the Y direction */ } SDL_JoyBallEvent;
AVAILABILITY
This struct is available since SDL 3.2.0. Simple Directmedia Layer SDL 3.2.8 SDL_JoyBallEvent(3type)