gboolean adw_leaflet_navigate ( AdwLeaflet* self, AdwNavigationDirection direction )
Navigates to the previous or next child.
The child must have the
AdwLeafletPage:navigatable property set to
TRUE, otherwise it will be skipped.
This will be the same child as returned by
adw_leaflet_get_adjacent_child() or navigated to via swipe gestures.