Merge remote branch 'staging/master' into refactor

Conflicts:
	src/gui/painting/qdrawhelper_p.h
	src/gui/painting/qgraphicssystemfactory.cpp
	src/gui/painting/qpainter.cpp
	src/gui/painting/qunifiedtoolbarsurface_mac.cpp
	src/gui/painting/qunifiedtoolbarsurface_mac_p.h
	src/openvg/openvg.pro
	src/openvg/qpaintengine_vg.cpp
	src/openvg/qwindowsurface_vg.cpp
	src/openvg/qwindowsurface_vgegl.cpp
	src/plugins/platforms/wayland/qwaylanddisplay.cpp
	src/widgets/graphicsview/qgraphicsscene.cpp

1 files changed, 54 insertions, 0 deletions

diff --git a/tests/auto/qitemselectionmodel/tst_qitemselectionmodel.cpp b/tests/auto/qitemselectionmodel/tst_qitemselectionmodel.cpp
index 6e20fb23c4..d91b068c5f 100644
--- a/tests/auto/qitemselectionmodel/tst_qitemselectionmodel.cpp
+++ b/tests/auto/qitemselectionmodel/tst_qitemselectionmodel.cpp
@@ -101,6 +101,7 @@ private slots:
     void testDifferentModels();
 
     void testValidRangesInSelectionsAfterReset();
+    void testChainedSelectionClear();
 
 private:
     QAbstractItemModel *model;
@@ -2655,5 +2656,58 @@ void tst_QItemSelectionModel::testValidRangesInSelectionsAfterReset()
     model.setStringList(strings);
 }
 
+class DuplicateItemSelectionModel : public QItemSelectionModel
+{
+  Q_OBJECT
+public:
+  DuplicateItemSelectionModel(QItemSelectionModel *target, QAbstractItemModel *model, QObject *parent = 0)
+    : QItemSelectionModel(model, parent), m_target(target)
+  {
+
+  }
+
+  void select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command)
+  {
+      QItemSelectionModel::select(selection, command);
+      m_target->select(selection, command);
+  }
+
+  using QItemSelectionModel::select;
+
+private:
+  QItemSelectionModel *m_target;
+
+};
+
+void tst_QItemSelectionModel::testChainedSelectionClear()
+{
+    QStringListModel model(QStringList() << "Apples" << "Pears");
+
+    QItemSelectionModel selectionModel(&model, 0);
+    DuplicateItemSelectionModel duplicate(&selectionModel, &model, 0);
+
+    duplicate.select(model.index(0, 0), QItemSelectionModel::Select);
+
+    {
+        QModelIndexList selectedIndexes = selectionModel.selection().indexes();
+        QModelIndexList duplicatedIndexes = duplicate.selection().indexes();
+
+        QVERIFY(selectedIndexes.size() == duplicatedIndexes.size());
+        QVERIFY(selectedIndexes.size() == 1);
+        QVERIFY(selectedIndexes.first() == model.index(0, 0));
+    }
+
+    duplicate.clearSelection();
+
+    {
+        QModelIndexList selectedIndexes = selectionModel.selection().indexes();
+        QModelIndexList duplicatedIndexes = duplicate.selection().indexes();
+
+        QVERIFY(selectedIndexes.size() == duplicatedIndexes.size());
+        QVERIFY(selectedIndexes.size() == 0);
+    }
+
+}
+
 QTEST_MAIN(tst_QItemSelectionModel)
 #include "tst_qitemselectionmodel.moc"