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| author | Ben Boeckel <MathStuf@gmail.com> | 2009-05-03 01:29:46 -0400 |
|---|---|---|
| committer | Ben Boeckel <MathStuf@gmail.com> | 2009-05-03 01:29:46 -0400 |
| commit | 6ce966fbb12f4f3934aa14c78489671d6fd186fb (patch) | |
| tree | 135924ffac757f8e604380d37f7bb3a0d3047277 /sigmodr/tree | |
| parent | a3b770c599ea414fadf28bffd1aef76a2367cc9d (diff) | |
| download | sigen-6ce966fbb12f4f3934aa14c78489671d6fd186fb.tar.gz sigen-6ce966fbb12f4f3934aa14c78489671d6fd186fb.tar.xz sigen-6ce966fbb12f4f3934aa14c78489671d6fd186fb.zip | |
Make a root item if asked for
Diffstat (limited to 'sigmodr/tree')
| -rw-r--r-- | sigmodr/tree/TreeModel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sigmodr/tree/TreeModel.cpp b/sigmodr/tree/TreeModel.cpp index 15f8dae2..82dd7ec8 100644 --- a/sigmodr/tree/TreeModel.cpp +++ b/sigmodr/tree/TreeModel.cpp @@ -50,7 +50,11 @@ QVariant TreeModel::data(const QModelIndex& index, const int role) const QModelIndex TreeModel::index(const int row, const int column, const QModelIndex& parent) const { if (!parent.isValid()) + { + if ((row == -1) || (column == -1)) + return createIndex(0, 0, m_root); return QModelIndex(); + } TreeItem* item = static_cast<TreeItem*>(parent.internalPointer()); if (column || (row < 0) || (item->childCount() <= row)) return QModelIndex(); |