diff options
| -rw-r--r-- | src/widgets/itemviews/qtreewidget.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp index 334a3e0c75..e5f73407cd 100644 --- a/src/widgets/itemviews/qtreewidget.cpp +++ b/src/widgets/itemviews/qtreewidget.cpp @@ -2729,14 +2729,14 @@ void QTreeWidget::setHeaderItem(QTreeWidgetItem *item) int oldCount = columnCount(); if (oldCount < item->columnCount()) - d->treeModel()->beginInsertColumns(QModelIndex(), oldCount, item->columnCount()); - else - d->treeModel()->beginRemoveColumns(QModelIndex(), item->columnCount(), oldCount); + d->treeModel()->beginInsertColumns(QModelIndex(), oldCount, item->columnCount() - 1); + else if (oldCount > item->columnCount()) + d->treeModel()->beginRemoveColumns(QModelIndex(), item->columnCount(), oldCount - 1); delete d->treeModel()->headerItem; d->treeModel()->headerItem = item; if (oldCount < item->columnCount()) d->treeModel()->endInsertColumns(); - else + else if (oldCount > item->columnCount()) d->treeModel()->endRemoveColumns(); d->treeModel()->headerDataChanged(Qt::Horizontal, 0, oldCount); } |