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| author | Stephen Kelly <stephen.kelly@kdab.com> | 2012-08-22 16:11:20 +0200 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-08-22 18:40:17 +0200 |
| commit | 9f821f384bdb3a64a824cd78ecd5c5e4aa5c0a87 (patch) | |
| tree | 20c1c008186d05ff0a92ad236268b7555c199e73 /src/corelib | |
| parent | d45ef221581e61dff737a3d8d00697584c5df0b2 (diff) | |
Optimize QAbstractItemModel::sibling a bit.
QModelIndex::sibling has a simliar optimization.
Change-Id: Ic0717d480ba0d46a4c0c88064bc9eda4c4ffe6f6
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/itemmodels/qabstractitemmodel.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel.h b/src/corelib/itemmodels/qabstractitemmodel.h index 37d8ee6bab..eab489438c 100644 --- a/src/corelib/itemmodels/qabstractitemmodel.h +++ b/src/corelib/itemmodels/qabstractitemmodel.h @@ -172,7 +172,7 @@ public: virtual QModelIndex parent(const QModelIndex &child) const = 0; inline QModelIndex sibling(int row, int column, const QModelIndex &idx) const - { return index(row, column, parent(idx)); } + { return (row == idx.row() && column == idx.column()) ? idx : index(row, column, parent(idx)); } virtual int rowCount(const QModelIndex &parent = QModelIndex()) const = 0; virtual int columnCount(const QModelIndex &parent = QModelIndex()) const = 0; |