feedback_cb is called when any type of event is sent by the input devices (independently of its type). This allows generating feedback for the user, e.g. to play a sound on :cpp:enumerator:`LV_EVENT_CLICKED`.Associating with a displayEvery input device is associated with a display. ...
lv_indev_set_read_cb(indev, read_cb); /*See below.*/The ``type`` member can be:- :cpp:enumerator:`LV_INDEV_TYPE_POINTER`: touchpad or mouse - :cpp:enumerator:`LV_INDEV_TYPE_KEYPAD`: keyboard or keypad - :cpp:enumerator:`LV_INDEV_TYPE_ENCODER`: encoder with left/right turn ...