get_swipe_area

Description:

public abstract Rectangle get_swipe_area (NavigationDirection navigation_direction, bool is_drag)

Gets the area this 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 this, allowing swipes from anywhere.

Parameters:

this	a swipeable
navigation_direction	the direction of the swipe
is_drag	whether the swipe is caused by a dragging gesture
rect	a pointer to a rectangle to store the swipe area