diff options
Diffstat (limited to 'sigmodr/tree/TreeModel.cpp')
| -rw-r--r-- | sigmodr/tree/TreeModel.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sigmodr/tree/TreeModel.cpp b/sigmodr/tree/TreeModel.cpp index a3b2f243..8331d7a2 100644 --- a/sigmodr/tree/TreeModel.cpp +++ b/sigmodr/tree/TreeModel.cpp @@ -52,6 +52,8 @@ QModelIndex TreeModel::parent(const QModelIndex& child) const if (!child.isValid()) return QModelIndex(); TreeItem* item = static_cast<TreeItem*>(child.internalPointer()); + if (!item->parent()) + return QModelIndex(); return createIndex(item->row(), 0, item->parent()); } |