+ // If for some weird reason we get a new delegate
+ auto delegate = qobject_cast<BufferViewDelegate*>(itemDelegate(_currentHighlight));
+ if (delegate) {
+ delegate->currentHighlight = QModelIndex();
+ }
+
+ QModelIndex newIndex = _currentHighlight;
+ if (!newIndex.isValid()) {
+ newIndex = model()->index(0, 0);
+ }
+
+ if (direction == Backward) {
+ newIndex = indexBelow(newIndex);
+ }
+ else {
+ newIndex = indexAbove(newIndex);
+ }
+
+ if (!newIndex.isValid()) {
+ return;
+ }