int
SDL_AddTouch(const SDL_Touch * touch, char *name)
{
SDL_Touch **touchPads;
int index;
size_t length;
if (SDL_GetTouchIndexId(touch->id) != -1) {
SDL_SetError("Touch ID already in use");
}
/* Add the touch to the list of touch */
touchPads = (SDL_Touch **) SDL_realloc(SDL_touchPads,
(SDL_num_touch + 1) * sizeof(*touch));
if (!touchPads) {
SDL_OutOfMemory();
return -1;
}
SDL_touchPads = touchPads;
index = SDL_num_touch++;
SDL_touchPads[index] = (SDL_Touch *) SDL_malloc(sizeof(*SDL_touchPads[index]));
if (!SDL_touchPads[index]) {
SDL_OutOfMemory();
return -1;
}
SDL_memcpy(SDL_touchPads[index], touch, sizeof(*touch));
/* we're setting the touch properties */
length = 0;
length = SDL_strlen(name);
SDL_touchPads[index]->focus = 0;
SDL_touchPads[index]->name = SDL_malloc((length + 2) * sizeof(char));
SDL_strlcpy(SDL_touchPads[index]->name, name, length + 1);
SDL_touchPads[index]->num_fingers = 0;
SDL_touchPads[index]->max_fingers = 1;
SDL_touchPads[index]->fingers = (SDL_Finger **) SDL_malloc(sizeof(SDL_Finger*));
SDL_touchPads[index]->fingers[0] = NULL;
SDL_touchPads[index]->buttonstate = 0;
SDL_touchPads[index]->relative_mode = SDL_FALSE;
SDL_touchPads[index]->flush_motion = SDL_FALSE;
SDL_touchPads[index]->xres = (1<<(16-1));
SDL_touchPads[index]->yres = (1<<(16-1));
SDL_touchPads[index]->pressureres = (1<<(16-1));
//Do I want this here? Probably
SDL_GestureAddTouch(SDL_touchPads[index]);
return index;
}
int
SDL_AddTouch(SDL_TouchID touchID, const char *name)
{
SDL_Touch **touchDevices;
int index;
index = SDL_GetTouchIndex(touchID);
if (index >= 0) {
return index;
}
/* Add the touch to the list of touch */
touchDevices = (SDL_Touch **) SDL_realloc(SDL_touchDevices,
(SDL_num_touch + 1) * sizeof(*touchDevices));
if (!touchDevices) {
return SDL_OutOfMemory();
}
SDL_touchDevices = touchDevices;
index = SDL_num_touch;
SDL_touchDevices[index] = (SDL_Touch *) SDL_malloc(sizeof(*SDL_touchDevices[index]));
if (!SDL_touchDevices[index]) {
return SDL_OutOfMemory();
}
/* Added touch to list */
++SDL_num_touch;
/* we're setting the touch properties */
SDL_touchDevices[index]->id = touchID;
SDL_touchDevices[index]->num_fingers = 0;
SDL_touchDevices[index]->max_fingers = 0;
SDL_touchDevices[index]->fingers = NULL;
/* Record this touch device for gestures */
/* We could do this on the fly in the gesture code if we wanted */
SDL_GestureAddTouch(touchID);
return index;
}
