These docs are for an old release.
Info on upgrading to v4
longPressDelay
For touch devices, the amount of time the user must hold down before an event becomes draggable or a date becomes selectable.
Integer, default: 1000
(1 second)
This value is specified in milliseconds.
Only applicable when the calendar is being used on a touch device. Otherwise, there is no delay.
This setting controls event dragging and date selecting. For further granularity, please see the following settings: