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Re-added balls to the SDL joystick API

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It turns out these were being used on Linux and at least one virtual driver was making use of them (thanks @mrfixit2001!)
This commit is contained in:
Sam Lantinga
2024-03-10 21:06:14 -07:00
parent 53e86be22f
commit efbbafb3f1
16 changed files with 262 additions and 28 deletions
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24
include/SDL3/SDL_events.h
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@@ -152,11 +152,12 @@ typedef enum
/* Joystick events */
SDL_EVENT_JOYSTICK_AXIS_MOTION = 0x600, /**< Joystick axis motion */
SDL_EVENT_JOYSTICK_HAT_MOTION = 0x602, /**< Joystick hat position change */
SDL_EVENT_JOYSTICK_BALL_MOTION, /**< Joystick trackball motion */
SDL_EVENT_JOYSTICK_HAT_MOTION, /**< Joystick hat position change */
SDL_EVENT_JOYSTICK_BUTTON_DOWN, /**< Joystick button pressed */
SDL_EVENT_JOYSTICK_BUTTON_UP, /**< Joystick button released */
SDL_EVENT_JOYSTICK_ADDED, /**< A new joystick has been inserted into the system */
SDL_EVENT_JOYSTICK_REMOVED, /**< An opened joystick has been removed */
SDL_EVENT_JOYSTICK_ADDED, /**< A new joystick has been inserted into the system */
SDL_EVENT_JOYSTICK_REMOVED, /**< An opened joystick has been removed */
SDL_EVENT_JOYSTICK_BATTERY_UPDATED, /**< Joystick battery level change */
SDL_EVENT_JOYSTICK_UPDATE_COMPLETE, /**< Joystick update is complete */
@@ -336,6 +337,22 @@ typedef struct SDL_MouseMotionEvent
float yrel; /**< The relative motion in the Y direction */
} SDL_MouseMotionEvent;
/**
* \brief Joystick trackball motion event structure (event.jball.*)
*/
typedef struct SDL_JoyBallEvent
{
Uint32 type; /**< ::SDL_JOYBALLMOTION */
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;
/**
* Mouse button event structure (event.button.*)
*/
@@ -706,6 +723,7 @@ typedef union SDL_Event
SDL_MouseButtonEvent button; /**< Mouse button event data */
SDL_MouseWheelEvent wheel; /**< Mouse wheel event data */
SDL_JoyAxisEvent jaxis; /**< Joystick axis event data */
SDL_JoyBallEvent jball; /**< Joystick ball event data */
SDL_JoyHatEvent jhat; /**< Joystick hat event data */
SDL_JoyButtonEvent jbutton; /**< Joystick button event data */
SDL_JoyDeviceEvent jdevice; /**< Joystick device change event data */