First pass at extending virtual controller functionality

Added the ability to specify a name and the product VID/PID for a virtual controller

Also added a test case to testgamecontroller, if you pass --virtual as a parameter
This commit is contained in:
Sam Lantinga
2022-05-15 20:01:12 -07:00
parent 7ad15c5b8f
commit 94eeb587c1
9 changed files with 509 additions and 203 deletions

View File

@@ -348,6 +348,44 @@ extern DECLSPEC int SDLCALL SDL_JoystickAttachVirtual(SDL_JoystickType type,
int nbuttons,
int nhats);
/**
* The structure that defines an extended virtual joystick description
*
* The caller must zero the structure and then initialize the version with `SDL_VIRTUAL_JOYSTICK_DESC_VERSION` before passing it to SDL_JoystickAttachVirtualEx()
*
* \sa SDL_JoystickAttachVirtualEx
*/
typedef struct SDL_VirtualJoystickDesc
{
Uint16 version; /**< `SDL_VIRTUAL_JOYSTICK_DESC_VERSION` */
Uint16 type; /**< `SDL_JoystickType` */
Uint16 naxes; /**< the number of axes on this joystick */
Uint16 nbuttons; /**< the number of buttons on this joystick */
Uint16 nhats; /**< the number of hats on this joystick */
Uint16 vendor_id; /**< the USB vendor ID of this joystick */
Uint16 product_id; /**< the USB product ID of this joystick */
Uint16 padding; /**< unused */
const char *name; /**< the name of the joystick */
void *userdata; /**< User data pointer passed to callbacks */
void (*Update)(void *userdata); /**< Called when the joystick state should be updated */
} SDL_VirtualJoystickDesc;
/**
* \brief The current version of the SDL_VirtualJoystickDesc structure
*/
#define SDL_VIRTUAL_JOYSTICK_DESC_VERSION 1
/**
* Attach a new virtual joystick with extended properties.
*
* \returns the joystick's device index, or -1 if an error occurred.
*
* \since This function is available since SDL 2.24.0.
*/
extern DECLSPEC int SDLCALL SDL_JoystickAttachVirtualEx(const SDL_VirtualJoystickDesc *desc);
/**
* Detach a virtual joystick.
*