Allocate a new long press gesture.
gesture_long_press_t* long_press_gesture_alloc(long_press_params_t *params, gesture_callback_f callback, struct gestures_set *set)
A pointer to the long press gesture parameters.
The function to invoke when the long press gesture changes state.
A pointer to the gesture set to add this long press gesture to.
This function allocates a new long press gesture data structure and initializes it with the specified parameters and callback function, and adds it to the specified gesture set.
A pointer to an initialized pinch gesture.