Function pointer to read input device data.
Called when an action happened on the input device. The second parameter is the event from `lv_event_t`.
Timer to periodically read the input device.
Number of pixels to slide before actually drag the object.
Drag throw slow-down in [%]. Greater value means faster slow-down.
At least this difference should be between two points to evaluate as gesture.
At least this difference should be to send a gesture.
Long press time in milliseconds.
Repeated trigger period in long press [ms].