diff options
Diffstat (limited to 'src/gui/itemviews')
| -rw-r--r-- | src/gui/itemviews/qabstractitemview.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp index ef69b7d..92229a2 100644 --- a/src/gui/itemviews/qabstractitemview.cpp +++ b/src/gui/itemviews/qabstractitemview.cpp @@ -4133,6 +4133,10 @@ const QEditorInfo & QAbstractItemViewPrivate::editorForIndex(const QModelIndex & { static QEditorInfo nullInfo; + // do not try to search to avoid slow implicit cast from QModelIndex to QPersistentModelIndex + if (indexEditorHash.isEmpty()) + return nullInfo; + QIndexEditorHash::const_iterator it = indexEditorHash.find(index); if (it == indexEditorHash.end()) return nullInfo; @@ -4142,7 +4146,11 @@ const QEditorInfo & QAbstractItemViewPrivate::editorForIndex(const QModelIndex & QModelIndex QAbstractItemViewPrivate::indexForEditor(QWidget *editor) const { - QEditorIndexHash::const_iterator it = editorIndexHash.find(editor); + // do not try to search to avoid slow implicit cast from QModelIndex to QPersistentModelIndex + if (indexEditorHash.isEmpty()) + return QModelIndex(); + + QEditorIndexHash::const_iterator it = editorIndexHash.find(editor); if (it == editorIndexHash.end()) return QModelIndex(); |