Merge remote-tracking branch 'origin/5.5' into 5.6

Conflicts:
	config.tests/common/atomic64/atomic64.cpp
	configure
	src/3rdparty/forkfd/forkfd.c
	src/corelib/io/forkfd_qt.cpp
	src/widgets/kernel/qwidgetwindow.cpp
	tests/auto/corelib/statemachine/qstatemachine/tst_qstatemachine.cpp
	tests/auto/network/socket/qtcpsocket/tst_qtcpsocket.cpp
	tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
	tools/configure/configureapp.cpp

Change-Id: Ic6168d82e51a0ef1862c3a63bee6722e8f138414

3 files changed, 50 insertions, 12 deletions

diff --git a/tests/auto/widgets/dialogs/qdialog/tst_qdialog.cpp b/tests/auto/widgets/dialogs/qdialog/tst_qdialog.cpp
index d5769554be..37afa7f0a5 100644
--- a/tests/auto/widgets/dialogs/qdialog/tst_qdialog.cpp
+++ b/tests/auto/widgets/dialogs/qdialog/tst_qdialog.cpp
@@ -51,6 +51,14 @@
 
 QT_FORWARD_DECLARE_CLASS(QDialog)
 
+// work around function being protected
+class DummyDialog : public QDialog
+{
+public:
+    DummyDialog(): QDialog(0, Qt::X11BypassWindowManagerHint) {}
+    using QDialog::showExtension;
+};
+
 class tst_QDialog : public QObject
 {
     Q_OBJECT
@@ -85,7 +93,7 @@ private slots:
     void dialogInGraphicsView();
 
 private:
-    QDialog *testWidget;
+    DummyDialog *testWidget;
 };
 
 // Testing get/set functions
@@ -111,13 +119,6 @@ void tst_QDialog::getSetCheck()
     QCOMPARE(INT_MAX, obj1.result());
 }
 
-// work around function being protected
-class DummyDialog : public QDialog {
-public:
-    DummyDialog(): QDialog(0) {}
-    void showExtension( bool b ) { QDialog::showExtension( b ); }
-};
-
 class ToolDialog : public QDialog
 {
 public:
@@ -155,7 +156,7 @@ tst_QDialog::tst_QDialog()
 void tst_QDialog::initTestCase()
 {
     // Create the test class
-    testWidget = new QDialog(0, Qt::X11BypassWindowManagerHint);
+    testWidget = new DummyDialog;
     testWidget->resize(200,200);
     testWidget->show();
     qApp->setActiveWindow(testWidget);
@@ -200,7 +201,7 @@ void tst_QDialog::showExtension()
     QPoint oldPosition = testWidget->pos();
 
     // show
-    ((DummyDialog*)testWidget)->showExtension( true );
+    testWidget->showExtension( true );
 //     while ( testWidget->size() == dlgSize )
 //         qApp->processEvents();
 
@@ -209,7 +210,7 @@ void tst_QDialog::showExtension()
     QCOMPARE(testWidget->pos(), oldPosition);
 
     // hide extension. back to old size ?
-    ((DummyDialog*)testWidget)->showExtension( false );
+    testWidget->showExtension( false );
     QCOMPARE( testWidget->size(), dlgSize );
 
     testWidget->setExtension( 0 );
diff --git a/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp b/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
index 8760dc176c..d8a8ed6b4b 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
@@ -3685,6 +3685,7 @@ void tst_QGraphicsProxyWidget::mapToGlobal() // QTBUG-41135
     const QSize size = availableGeometry.size() / 5;
     QGraphicsScene scene;
     QGraphicsView view(&scene);
+    view.setTransform(QTransform::fromScale(2, 2));  // QTBUG-50136, use transform.
     view.setWindowTitle(QTest::currentTestFunction());
     view.resize(size);
     view.move(availableGeometry.bottomRight() - QPoint(size.width(), size.height()) - QPoint(100, 100));
@@ -3707,10 +3708,15 @@ void tst_QGraphicsProxyWidget::mapToGlobal() // QTBUG-41135
     QVERIFY2((viewCenter - embeddedCenterGlobal).manhattanLength() <= 2,
              msgPointMismatch(embeddedCenterGlobal, viewCenter).constData());
 
-    // Same test with child centered on embeddedWidget
+    // Same test with child centered on embeddedWidget. The correct
+    // mapping is not implemented yet, but at least make sure
+    // the roundtrip maptoGlobal()/mapFromGlobal() returns the same
+    // point since that is important for mouse event handling (QTBUG-50030,
+    // QTBUG-50136).
     const QPoint childCenter = childWidget->rect().center();
     const QPoint childCenterGlobal = childWidget->mapToGlobal(childCenter);
     QCOMPARE(childWidget->mapFromGlobal(childCenterGlobal), childCenter);
+    QEXPECT_FAIL("", "Not implemented for child widgets of embedded widgets", Continue);
     QVERIFY2((viewCenter - childCenterGlobal).manhattanLength() <= 4,
              msgPointMismatch(childCenterGlobal, viewCenter).constData());
 }
diff --git a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
index 0b22dc7893..ae516639a6 100644
--- a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
+++ b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
@@ -166,6 +166,7 @@ private slots:
     void updateDelegateOnEditableChange();
     void respectChangedOwnershipOfItemView();
     void task_QTBUG_39088_inputMethodHints();
+    void task_QTBUG_49831_scrollerNotActivated();
 };
 
 class MyAbstractItemDelegate : public QAbstractItemDelegate
@@ -3206,6 +3207,36 @@ void tst_QComboBox::respectChangedOwnershipOfItemView()
     QCOMPARE(spy2.count(), 1);
 }
 
+void tst_QComboBox::task_QTBUG_49831_scrollerNotActivated()
+{
+    QStringList modelData;
+    for (int i = 0; i < 1000; i++)
+        modelData << QStringLiteral("Item %1").arg(i);
+    QStringListModel model(modelData);
+
+    QComboBox box;
+    box.setModel(&model);
+    box.setCurrentIndex(500);
+    box.show();
+    QTest::qWaitForWindowShown(&box);
+    QTest::mouseMove(&box, QPoint(5, 5), 100);
+    box.showPopup();
+    QFrame *container = box.findChild<QComboBoxPrivateContainer *>();
+    QVERIFY(container);
+    QTest::qWaitForWindowShown(container);
+
+    QList<QComboBoxPrivateScroller *> scrollers = container->findChildren<QComboBoxPrivateScroller *>();
+    // Not all styles support scrollers. We rely only on those platforms that do to catch any regression.
+    if (!scrollers.isEmpty()) {
+        Q_FOREACH (QComboBoxPrivateScroller *scroller, scrollers) {
+            if (scroller->isVisible()) {
+                QSignalSpy doScrollSpy(scroller, SIGNAL(doScroll(int)));
+                QTest::mouseMove(scroller, QPoint(5, 5), 500);
+                QTRY_VERIFY(doScrollSpy.count() > 0);
+            }
+        }
+    }
+}
 
 QTEST_MAIN(tst_QComboBox)
 #include "tst_qcombobox.moc"