}
}
-void BufferView::wheelEvent(QWheelEvent* event) {
- if(ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
- return QTreeView::wheelEvent(event);
+void BufferView::nextBuffer() {
+ changeBuffer(Forward);
+}
- int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
+void BufferView::previousBuffer() {
+ changeBuffer(Backward);
+}
+
+void BufferView::changeBuffer(Direction direction) {
QModelIndex currentIndex = selectionModel()->currentIndex();
QModelIndex resultingIndex;
- if( model()->hasIndex( currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
- {
- resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
- }
- 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;
- }
+ if(model()->hasIndex( currentIndex.row() + direction, currentIndex.column(), currentIndex.parent()))
+ resultingIndex = currentIndex.sibling(currentIndex.row() + direction, currentIndex.column());
+
+ else {
+ //if we scroll into a the parent node...
+ QModelIndex parent = currentIndex.parent();
+ QModelIndex aunt = parent.sibling(parent.row() + direction, parent.column());
+ if(direction == Backward)
+ resultingIndex = aunt.child(model()->rowCount(aunt) - 1, 0);
+ else
+ resultingIndex = aunt.child(0, 0);
+ if(!resultingIndex.isValid())
+ return;
+ }
selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
+}
+void BufferView::wheelEvent(QWheelEvent* event) {
+ if(ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
+ return QTreeView::wheelEvent(event);
+
+ int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
+ changeBuffer((Direction)rowDelta);
}
QSize BufferView::sizeHint() const {