- else //if we scroll into a the parent node...
- {
- QModelIndex parent = currentIndex.parent();
- QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
- if( rowDelta == -1 )
- resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
- else
- resultingIndex = aunt.child( 0, 0 );
- if( !resultingIndex.isValid() )
- return;
- }
+ } else {
+ //If we have a toplevel node, try and get an adjacent child
+ if(direction == Backward) {
+ QModelIndex newParent = currentIndex.sibling(currentIndex.row() - 1, 0);
+ if(model()->hasChildren(newParent))
+ resultingIndex = newParent.child(model()->rowCount(newParent) - 1, 0);
+ else
+ resultingIndex = newParent;
+ } else {
+ if(model()->hasChildren(currentIndex))
+ resultingIndex = currentIndex.child(0, 0);
+ else
+ resultingIndex = currentIndex.sibling(currentIndex.row() + 1, 0);
+ }
+ }
+
+ if(!resultingIndex.isValid())
+ return;
+