2 files changed, 18 insertions, 0 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp
index 88e39f9441..43b51bcaf5 100644
--- a/src/corelib/itemmodels/qabstractitemmodel.cpp
+++ b/src/corelib/itemmodels/qabstractitemmodel.cpp
@@ -3345,6 +3345,14 @@ QModelIndex QAbstractTableModel::parent(const QModelIndex &) const
     return QModelIndex();
 }
 
+/*!
+    \reimp
+*/
+QModelIndex QAbstractTableModel::sibling(int row, int column, const QModelIndex &) const
+{
+    return index(row, column);
+}
+
 bool QAbstractTableModel::hasChildren(const QModelIndex &parent) const
 {
     if (parent.model() == this || !parent.isValid())
@@ -3488,6 +3496,14 @@ QModelIndex QAbstractListModel::parent(const QModelIndex & /* index */) const
 
 /*!
     \reimp
+*/
+QModelIndex QAbstractListModel::sibling(int row, int column, const QModelIndex &) const
+{
+    return index(row, column);
+}
+
+/*!
+    \reimp
  */
 Qt::ItemFlags QAbstractListModel::flags(const QModelIndex &index) const
 {
diff --git a/src/corelib/itemmodels/qabstractitemmodel.h b/src/corelib/itemmodels/qabstractitemmodel.h
index 7d8c1ff113..f1f67c9412 100644
--- a/src/corelib/itemmodels/qabstractitemmodel.h
+++ b/src/corelib/itemmodels/qabstractitemmodel.h
@@ -417,6 +417,7 @@ public:
     ~QAbstractTableModel();
 
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
+    QModelIndex sibling(int row, int column, const QModelIndex &idx) const Q_DECL_OVERRIDE;
     bool dropMimeData(const QMimeData *data, Qt::DropAction action,
                       int row, int column, const QModelIndex &parent) Q_DECL_OVERRIDE;
 
@@ -442,6 +443,7 @@ public:
     ~QAbstractListModel();
 
     QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
+    QModelIndex sibling(int row, int column, const QModelIndex &idx) const Q_DECL_OVERRIDE;
     bool dropMimeData(const QMimeData *data, Qt::DropAction action,
                       int row, int column, const QModelIndex &parent) Q_DECL_OVERRIDE;