Allocate and initialize the press and tap gesture structure.
gesture_pt_t* pt_gesture_alloc(pt_params_t *params, gesture_callback_f callback, struct gestures_set *set)
The press and tap gesture parameters.
The function to invoke when the press and gesture changes state.
The gesture set to add this press and tap gesture to.
This function allocates a new press and tap gesture data structure, initializes it with the specified parameters and callback function, and adds it to the specified gesture set.
An initialized press and tap gesture.