int
Android_AddJoystick(int device_id, const char *name, const char *desc, SDL_bool is_accelerometer, int nbuttons, int naxes, int nhats, int nballs)
{
SDL_JoystickGUID guid;
SDL_joylist_item *item;
if(JoystickByDeviceId(device_id) != NULL || name == NULL) {
return -1;
}
/* the GUID is just the first 16 chars of the name for now */
SDL_zero( guid );
SDL_memcpy( &guid, desc, SDL_min( sizeof(guid), SDL_strlen( desc) ) );
item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
if (item == NULL) {
return -1;
}
SDL_zerop(item);
item->guid = guid;
item->device_id = device_id;
item->name = SDL_strdup(name);
if ( item->name == NULL ) {
SDL_free(item);
return -1;
}
item->is_accelerometer = is_accelerometer;
if (nbuttons > -1) {
item->nbuttons = nbuttons;
}
else {
item->nbuttons = ANDROID_MAX_NBUTTONS;
}
item->naxes = naxes;
item->nhats = nhats;
item->nballs = nballs;
item->device_instance = instance_counter++;
if (SDL_joylist_tail == NULL) {
SDL_joylist = SDL_joylist_tail = item;
} else {
SDL_joylist_tail->next = item;
SDL_joylist_tail = item;
}
/* Need to increment the joystick count before we post the event */
++numjoysticks;
SDL_PrivateJoystickAdded(numjoysticks - 1);
#ifdef DEBUG_JOYSTICK
SDL_Log("Added joystick %s with device_id %d", name, device_id);
#endif
return numjoysticks;
}
static SDL_bool SteamControllerConnectedCallback(const char *name, SDL_JoystickGUID guid, int *device_instance)
{
SDL_joylist_item *item;
item = (SDL_joylist_item *) SDL_calloc(1, sizeof (SDL_joylist_item));
if (item == NULL) {
return SDL_FALSE;
}
item->path = SDL_strdup("");
item->name = SDL_strdup(name);
item->guid = guid;
item->m_bSteamController = SDL_TRUE;
if ((item->path == NULL) || (item->name == NULL)) {
SDL_free(item->path);
SDL_free(item->name);
SDL_free(item);
return SDL_FALSE;
}
*device_instance = item->device_instance = instance_counter++;
if (SDL_joylist_tail == NULL) {
SDL_joylist = SDL_joylist_tail = item;
} else {
SDL_joylist_tail->next = item;
SDL_joylist_tail = item;
}
/* Need to increment the joystick count before we post the event */
++numjoysticks;
SDL_PrivateJoystickAdded(numjoysticks - 1);
return SDL_TRUE;
}
/* !!! FIXME: I would love to dump this code and use libudev instead. */
static int
MaybeAddDevice(const char *path)
{
struct stat sb;
int fd = -1;
int isstick = 0;
char namebuf[128];
SDL_JoystickGUID guid;
SDL_joylist_item *item;
if (path == NULL) {
return -1;
}
if (stat(path, &sb) == -1) {
return -1;
}
/* Check to make sure it's not already in list. */
for (item = SDL_joylist; item != NULL; item = item->next) {
if (sb.st_rdev == item->devnum) {
return -1; /* already have this one */
}
}
fd = open(path, O_RDONLY, 0);
if (fd < 0) {
return -1;
}
#ifdef DEBUG_INPUT_EVENTS
printf("Checking %s\n", path);
#endif
isstick = IsJoystick(fd, namebuf, sizeof (namebuf), &guid);
close(fd);
if (!isstick) {
return -1;
}
item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
if (item == NULL) {
return -1;
}
SDL_zerop(item);
item->devnum = sb.st_rdev;
item->path = SDL_strdup(path);
item->name = SDL_strdup(namebuf);
item->guid = guid;
if ( (item->path == NULL) || (item->name == NULL) ) {
SDL_free(item->path);
SDL_free(item->name);
SDL_free(item);
return -1;
}
item->device_instance = instance_counter++;
if (SDL_joylist_tail == NULL) {
SDL_joylist = SDL_joylist_tail = item;
} else {
SDL_joylist_tail->next = item;
SDL_joylist_tail = item;
}
/* Need to increment the joystick count before we post the event */
++numjoysticks;
SDL_PrivateJoystickAdded(numjoysticks - 1);
return numjoysticks;
}
static void
JoystickDeviceWasAddedCallback(void *ctx, IOReturn res, void *sender, IOHIDDeviceRef ioHIDDeviceObject)
{
recDevice *device;
int device_index = 0;
io_service_t ioservice;
if (res != kIOReturnSuccess) {
return;
}
if (JoystickAlreadyKnown(ioHIDDeviceObject)) {
return; /* IOKit sent us a duplicate. */
}
device = (recDevice *) SDL_calloc(1, sizeof(recDevice));
if (!device) {
SDL_OutOfMemory();
return;
}
if (!GetDeviceInfo(ioHIDDeviceObject, device)) {
SDL_free(device);
return; /* not a device we care about, probably. */
}
if (SDL_IsGameControllerNameAndGUID(device->product, device->guid) &&
SDL_ShouldIgnoreGameController(device->product, device->guid)) {
SDL_free(device);
return;
}
/* Get notified when this device is disconnected. */
IOHIDDeviceRegisterRemovalCallback(ioHIDDeviceObject, JoystickDeviceWasRemovedCallback, device);
IOHIDDeviceScheduleWithRunLoop(ioHIDDeviceObject, CFRunLoopGetCurrent(), SDL_JOYSTICK_RUNLOOP_MODE);
/* Allocate an instance ID for this device */
device->instance_id = ++s_joystick_instance_id;
/* We have to do some storage of the io_service_t for SDL_HapticOpenFromJoystick */
ioservice = IOHIDDeviceGetService(ioHIDDeviceObject);
#if SDL_HAPTIC_IOKIT
if ((ioservice) && (FFIsForceFeedback(ioservice) == FF_OK)) {
device->ffservice = ioservice;
MacHaptic_MaybeAddDevice(ioservice);
}
#endif
/* Add device to the end of the list */
if ( !gpDeviceList ) {
gpDeviceList = device;
} else {
recDevice *curdevice;
curdevice = gpDeviceList;
while ( curdevice->pNext ) {
++device_index;
curdevice = curdevice->pNext;
}
curdevice->pNext = device;
++device_index; /* bump by one since we counted by pNext. */
}
SDL_PrivateJoystickAdded(device_index);
}
static EM_BOOL
Emscripten_JoyStickConnected(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData)
{
int i;
SDL_joylist_item *item;
if (JoystickByIndex(gamepadEvent->index) != NULL) {
return 1;
}
item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
if (item == NULL) {
return 1;
}
SDL_zerop(item);
item->index = gamepadEvent->index;
item->name = SDL_strdup(gamepadEvent->id);
if ( item->name == NULL ) {
SDL_free(item);
return 1;
}
item->mapping = SDL_strdup(gamepadEvent->mapping);
if ( item->mapping == NULL ) {
SDL_free(item->name);
SDL_free(item);
return 1;
}
item->naxes = gamepadEvent->numAxes;
item->nbuttons = gamepadEvent->numButtons;
item->device_instance = instance_counter++;
item->timestamp = gamepadEvent->timestamp;
for( i = 0; i < item->naxes; i++) {
item->axis[i] = gamepadEvent->axis[i];
}
for( i = 0; i < item->nbuttons; i++) {
item->analogButton[i] = gamepadEvent->analogButton[i];
item->digitalButton[i] = gamepadEvent->digitalButton[i];
}
if (SDL_joylist_tail == NULL) {
SDL_joylist = SDL_joylist_tail = item;
} else {
SDL_joylist_tail->next = item;
SDL_joylist_tail = item;
}
++numjoysticks;
SDL_PrivateJoystickAdded(numjoysticks - 1);
#ifdef DEBUG_JOYSTICK
SDL_Log("Number of joysticks is %d", numjoysticks);
#endif
#ifdef DEBUG_JOYSTICK
SDL_Log("Added joystick with index %d", item->index);
#endif
return 1;
}
