getSwipeArea
open fun getSwipeArea(navigationDirection: NavigationDirection, isDrag: Boolean, rect: <Error class: unknown class>)
Gets the area @self can start a swipe from for the given direction and gesture type.
This can be used to restrict swipes to only be possible from a certain area, for example, to only allow edge swipes, or to have a draggable element and ignore swipes elsewhere.
If not implemented, the default implementation returns the allocation of
Parameters
navigationDirection
the direction of the swipe
isDrag
whether the swipe is caused by a dragging gesture
rect
a pointer to a rectangle to store the swipe area