Navigates to the previous or next child.
See [the migration guide](migrating-to-breakpoints.html#replace-adwleaflet)
The child must have the [property@LeafletPage:navigatable] property set to `TRUE`, otherwise it will be skipped.
This will be the same child as returned by [method@Leaflet.get_adjacent_child] or navigated to via swipe gestures.
this |
a leaflet |
direction |
the direction |
whether the visible child was changed |