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-rw-r--r--src/widgets/itemviews/qabstractitemview.cpp8
-rw-r--r--tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp12
2 files changed, 16 insertions, 4 deletions
diff --git a/src/widgets/itemviews/qabstractitemview.cpp b/src/widgets/itemviews/qabstractitemview.cpp
index c5601b63b2..3bb4d0624f 100644
--- a/src/widgets/itemviews/qabstractitemview.cpp
+++ b/src/widgets/itemviews/qabstractitemview.cpp
@@ -3020,8 +3020,8 @@ int QAbstractItemView::sizeHintForRow(int row) const
const QModelIndex index = d->model->index(row, c, d->root);
if (QWidget *editor = d->editorForIndex(index).widget.data())
height = qMax(height, editor->height());
- int hint = d->delegateForIndex(index)->sizeHint(option, index).height();
- height = qMax(height, hint);
+ if (const QAbstractItemDelegate *delegate = d->delegateForIndex(index))
+ height = qMax(height, delegate->sizeHint(option, index).height());
}
return height;
}
@@ -3050,8 +3050,8 @@ int QAbstractItemView::sizeHintForColumn(int column) const
const QModelIndex index = d->model->index(r, column, d->root);
if (QWidget *editor = d->editorForIndex(index).widget.data())
width = qMax(width, editor->sizeHint().width());
- int hint = d->delegateForIndex(index)->sizeHint(option, index).width();
- width = qMax(width, hint);
+ if (const QAbstractItemDelegate *delegate = d->delegateForIndex(index))
+ width = qMax(width, delegate->sizeHint(option, index).width());
}
return width;
}
diff --git a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
index 7e73c19539..55fcf04846 100644
--- a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
+++ b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
@@ -239,6 +239,8 @@ private slots:
void testStreamWithHide();
void testStylePosition();
+ void sizeHintCrash();
+
protected:
void setupTestData(bool use_reset_model = false);
void additionalInit();
@@ -2879,5 +2881,15 @@ void tst_QHeaderView::testStylePosition()
QCOMPARE(proxy.lastPosition, QStyleOptionHeader::OnlyOneSection);
}
+void tst_QHeaderView::sizeHintCrash()
+{
+ QTreeView treeView;
+ QStandardItemModel *model = new QStandardItemModel(&treeView);
+ model->appendRow(new QStandardItem("QTBUG-48543"));
+ treeView.setModel(model);
+ treeView.header()->sizeHintForColumn(0);
+ treeView.header()->sizeHintForRow(0);
+}
+
QTEST_MAIN(tst_QHeaderView)
#include "tst_qheaderview.moc"