4 files changed, 27 insertions, 0 deletions
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index d91cedd..9247411 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -605,6 +605,8 @@ void QAbstractItemView::setModel(QAbstractItemModel *model)
                    this, SLOT(_q_modelDestroyed()));
         disconnect(d->model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                    this, SLOT(dataChanged(QModelIndex,QModelIndex)));
+        disconnect(d->model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
+                   this, SLOT(_q_headerDataChanged()));
         disconnect(d->model, SIGNAL(rowsInserted(QModelIndex,int,int)),
                    this, SLOT(rowsInserted(QModelIndex,int,int)));
         disconnect(d->model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
@@ -637,6 +639,8 @@ void QAbstractItemView::setModel(QAbstractItemModel *model)
                 this, SLOT(_q_modelDestroyed()));
         connect(d->model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                 this, SLOT(dataChanged(QModelIndex,QModelIndex)));
+        connect(d->model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
+                this, SLOT(_q_headerDataChanged()));
         connect(d->model, SIGNAL(rowsInserted(QModelIndex,int,int)),
                 this, SLOT(rowsInserted(QModelIndex,int,int)));
         connect(d->model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
diff --git a/src/gui/itemviews/qabstractitemview.h b/src/gui/itemviews/qabstractitemview.h
index f438148..7a0509b 100644
--- a/src/gui/itemviews/qabstractitemview.h
+++ b/src/gui/itemviews/qabstractitemview.h
@@ -358,6 +358,7 @@ private:
     Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int))
     Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
     Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
+    Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged())
 
     friend class QTreeViewPrivate; // needed to compile with MSVC
     friend class QAccessibleItemRow;
diff --git a/src/gui/itemviews/qabstractitemview_p.h b/src/gui/itemviews/qabstractitemview_p.h
index 66b7662..c691f61 100644
--- a/src/gui/itemviews/qabstractitemview_p.h
+++ b/src/gui/itemviews/qabstractitemview_p.h
@@ -117,6 +117,7 @@ public:
     virtual void _q_columnsInserted(const QModelIndex &parent, int start, int end);
     virtual void _q_modelDestroyed();
     virtual void _q_layoutChanged();
+    void _q_headerDataChanged() { doDelayedItemsLayout(); }
 
     void fetchMore();
 
diff --git a/tests/auto/qtableview/tst_qtableview.cpp b/tests/auto/qtableview/tst_qtableview.cpp
index fe2794f..227ca6f 100644
--- a/tests/auto/qtableview/tst_qtableview.cpp
+++ b/tests/auto/qtableview/tst_qtableview.cpp
@@ -203,6 +203,8 @@ private slots:
 
     void addColumnWhileEditing();
     void task234926_setHeaderSorting();
+
+    void changeHeaderData();
 };
 
 // Testing get/set functions
@@ -3883,5 +3885,24 @@ void tst_QTableView::taskQTBUG_5062_spansInconsistency()
     VERIFY_SPANS_CONSISTENCY(&view);
 }
 
+void tst_QTableView::changeHeaderData()
+{
+    QTableView view;
+    QStandardItemModel model(5,5);
+    view.setModel(&model);
+    view.show();
+    QTest::qWaitForWindowShown(&view);
+
+    QString text = "long long long text";
+    const int textWidth = view.fontMetrics().width(text);
+    QVERIFY(view.verticalHeader()->width() < textWidth);
+
+    model.setHeaderData(2, Qt::Vertical, text);
+    QTest::qWait(100); //leave time for layout
+
+    QVERIFY(view.verticalHeader()->width() > textWidth);
+}
+
+
 QTEST_MAIN(tst_QTableView)
 #include "tst_qtableview.moc"