Long live Qt!

1 files changed, 2025 insertions, 0 deletions

diff --git a/tests/auto/qmdisubwindow/tst_qmdisubwindow.cpp b/tests/auto/qmdisubwindow/tst_qmdisubwindow.cpp
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--- /dev/null
+++ b/tests/auto/qmdisubwindow/tst_qmdisubwindow.cpp
@@ -0,0 +1,2025 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include "qmdisubwindow.h"
+#include "qmdiarea.h"
+
+#include <QLayout>
+#include <QLineEdit>
+#include <QMainWindow>
+#include <QMenuBar>
+#include <QMenu>
+#include <QGroupBox>
+#include <QTextEdit>
+#include <QLayout>
+#include <QHBoxLayout>
+#include <QByteArray>
+#include <QStyle>
+#include <QStyleOptionTitleBar>
+#include <QPushButton>
+#include <QSizeGrip>
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+#include <QMacStyle>
+#endif
+
+QT_BEGIN_NAMESPACE
+#if defined(Q_WS_X11)
+extern void qt_x11_wait_for_window_manager(QWidget *w);
+#endif
+#if !defined(Q_WS_WIN)
+extern bool qt_tab_all_widgets;
+#endif
+QT_END_NAMESPACE
+
+static inline bool tabAllWidgets()
+{
+#if !defined(Q_WS_WIN)
+    if (qApp->style()->inherits("QMacStyle"))
+        return qt_tab_all_widgets;
+#endif
+    return true;
+}
+
+static inline void triggerSignal(QMdiSubWindow *window, QMdiArea *workspace,
+                                 const QByteArray &signal)
+{
+    if (signal == SIGNAL(windowMaximized())) {
+        window->showMaximized();
+        qApp->processEvents();
+        if (window->parent())
+            QVERIFY(window->isMaximized());
+    } else if (signal == SIGNAL(windowMinimized())) {
+        window->showMinimized();
+        qApp->processEvents();
+        if (window->parent())
+            QVERIFY(window->isMinimized());
+    } else if (signal == SIGNAL(windowRestored())) {
+        window->showMaximized();
+        qApp->processEvents();
+        window->showNormal();
+        qApp->processEvents();
+        QVERIFY(!window->isMinimized());
+        QVERIFY(!window->isMaximized());
+        QVERIFY(!window->isShaded());
+    } else if (signal == SIGNAL(aboutToActivate())) {
+        if (window->parent()) {
+            workspace->setActiveSubWindow(window);
+            qApp->processEvents();
+        }
+    } else if (signal == SIGNAL(windowActivated())) {
+        if (window->parent()) {
+            workspace->setActiveSubWindow(window);
+            qApp->processEvents();
+        }
+    } else if (signal == SIGNAL(windowDeactivated())) {
+        if (!window->parent())
+            return;
+        workspace->setActiveSubWindow(window);
+        qApp->processEvents();
+        workspace->setActiveSubWindow(0);
+        qApp->processEvents();
+    }
+}
+
+// --- from tst_qgraphicsview.cpp ---
+static void sendMousePress(QWidget *widget, const QPoint &point, Qt::MouseButton button = Qt::LeftButton)
+{
+    QMouseEvent event(QEvent::MouseButtonPress, point, widget->mapToGlobal(point), button, 0, 0);
+    QApplication::sendEvent(widget, &event);
+}
+
+static void sendMouseMove(QWidget *widget, const QPoint &point, Qt::MouseButton button = Qt::LeftButton)
+{
+    QMouseEvent event(QEvent::MouseMove, point, widget->mapToGlobal(point), button, button, 0);
+    QApplication::sendEvent(widget, &event);
+}
+
+static void sendMouseRelease(QWidget *widget, const QPoint &point, Qt::MouseButton button = Qt::LeftButton)
+{
+    QMouseEvent event(QEvent::MouseButtonRelease, point, widget->mapToGlobal(point), button, 0, 0);
+    QApplication::sendEvent(widget, &event);
+}
+// ---
+
+static void sendMouseDoubleClick(QWidget *widget, const QPoint &point, Qt::MouseButton button = Qt::LeftButton)
+{
+    sendMousePress(widget, point, button);
+    sendMouseRelease(widget, point, button);
+    QMouseEvent event(QEvent::MouseButtonDblClick, point, widget->mapToGlobal(point), button, 0, 0);
+    QApplication::sendEvent(widget, &event);
+}
+
+static const Qt::WindowFlags StandardWindowFlags
+    = Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint;
+static const Qt::WindowFlags DialogWindowFlags
+    = Qt::WindowTitleHint | Qt::WindowSystemMenuHint;
+
+Q_DECLARE_METATYPE(Qt::WindowState);
+Q_DECLARE_METATYPE(Qt::WindowStates);
+Q_DECLARE_METATYPE(Qt::WindowType);
+Q_DECLARE_METATYPE(Qt::WindowFlags);
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QMdiSubWindow : public QObject
+{
+    Q_OBJECT
+private slots:
+    void initTestCase();
+    void sizeHint();
+    void minimumSizeHint();
+    void minimumSize();
+    void setWidget();
+    void setWindowState_data();
+    void setWindowState();
+    void mainWindowSupport();
+    void emittingOfSignals_data();
+    void emittingOfSignals();
+    void showShaded();
+    void showNormal_data();
+    void showNormal();
+    void setOpaqueResizeAndMove_data();
+    void setOpaqueResizeAndMove();
+    void setWindowFlags_data();
+    void setWindowFlags();
+    void mouseDoubleClick();
+    void setSystemMenu();
+    void restoreFocus();
+    void changeFocusWithTab();
+    void closeEvent();
+    void setWindowTitle();
+    void resizeEvents_data();
+    void resizeEvents();
+#if defined(Q_WS_MAC)
+    void defaultSizeGrip();
+#endif
+    void hideAndShow();
+    void keepWindowMaximizedState();
+    void explicitlyHiddenWidget();
+    void resizeTimer();
+    void fixedMinMaxSize();
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    void replaceMenuBarWhileMaximized();
+    void closeOnDoubleClick();
+#endif
+    void setFont();
+    void task_188849();
+    void mdiArea();
+    void task_182852();
+    void task_233197();
+    void task_226929();
+};
+
+void tst_QMdiSubWindow::initTestCase()
+{
+    qRegisterMetaType<Qt::WindowStates>("Qt::WindowStates");
+}
+
+void tst_QMdiSubWindow::sizeHint()
+{
+    QMdiSubWindow *window = new QMdiSubWindow;
+    QCOMPARE(window->sizeHint(), window->minimumSizeHint());
+    window->show();
+    QCOMPARE(window->sizeHint(), window->minimumSizeHint());
+    QMdiArea workspace;
+    workspace.addSubWindow(window);
+    QCOMPARE(window->sizeHint(), window->minimumSizeHint());
+}
+
+void tst_QMdiSubWindow::minimumSizeHint()
+{
+    QMdiSubWindow window;
+    window.show();
+
+    QCOMPARE(window.minimumSizeHint(), qApp->globalStrut());
+
+    window.setWidget(new QWidget);
+    QCOMPARE(window.minimumSizeHint(), window.layout()->minimumSize()
+                                       .expandedTo(qApp->globalStrut()));
+
+    delete window.widget();
+    delete window.layout();
+    window.setWidget(new QWidget);
+    QCOMPARE(window.minimumSizeHint(), qApp->globalStrut());
+
+    window.widget()->show();
+    QCOMPARE(window.minimumSizeHint(), window.widget()->minimumSizeHint()
+                                       .expandedTo(qApp->globalStrut()));
+}
+
+void tst_QMdiSubWindow::minimumSize()
+{
+    QMdiArea mdiArea;
+    mdiArea.resize(200, 200);
+
+    // Check that we respect the minimum size set on the sub-window itself.
+    QMdiSubWindow *subWindow1 = mdiArea.addSubWindow(new QWidget);
+    subWindow1->setMinimumSize(1000, 1000);
+    mdiArea.show();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+    QCOMPARE(subWindow1->size(), QSize(1000, 1000));
+
+    // Check that we respect the minimum size set on the internal widget.
+    QWidget *widget = new QWidget;
+    widget->setMinimumSize(1000, 1000);
+    QMdiSubWindow *subWindow2 = mdiArea.addSubWindow(widget);
+    QVERIFY(subWindow2->size() != mdiArea.viewport()->size());
+    QCOMPARE(subWindow2->size(), subWindow2->minimumSizeHint());
+}
+
+void tst_QMdiSubWindow::setWidget()
+{
+    QMdiSubWindow window;
+    window.show();
+    QVERIFY(window.layout());
+    QVERIFY(!window.widget());
+
+    // QPointer so we can check if the widget is deleted
+    QPointer<QWidget> widget = new QWidget;
+    widget->setWindowTitle(QString::fromLatin1("DummyTitle"));
+    QCOMPARE(widget->windowTitle(), QString::fromLatin1("DummyTitle"));
+    window.setWidget(widget);
+    QCOMPARE(window.windowTitle(), window.widget()->windowTitle());
+    QCOMPARE(widget->parentWidget(), static_cast<QWidget *>(&window));
+    QVERIFY(!widget->isVisible());
+    QCOMPARE(window.layout()->count(), 1);
+
+    QTest::ignoreMessage(QtWarningMsg,"QMdiSubWindow::setWidget: widget is already set");
+    window.setWidget(widget);
+    QCOMPARE(window.widget(), static_cast<QWidget *>(widget));
+    QCOMPARE(widget->parentWidget(), static_cast<QWidget *>(&window));
+
+    window.setWidget(0);
+    QVERIFY(widget);
+    QVERIFY(!widget->parent());
+    QVERIFY(!window.widget());
+    QCOMPARE(window.layout()->count(), 0);
+
+    window.setWidget(widget);
+    delete window.layout();
+    QVERIFY(!window.layout());
+    QVERIFY(window.widget());
+    QCOMPARE(window.widget()->parentWidget(), static_cast<QWidget *>(&window));
+
+    delete window.widget();
+    QVERIFY(!widget);
+    QVERIFY(!window.widget());
+}
+
+void tst_QMdiSubWindow::setWindowState_data()
+{
+    QTest::addColumn<Qt::WindowState>("windowState");
+
+    QTest::newRow("maximized") << Qt::WindowMaximized;
+    QTest::newRow("minimized") << Qt::WindowMinimized;
+    QTest::newRow("normalized") << Qt::WindowNoState;
+}
+
+void tst_QMdiSubWindow::setWindowState()
+{
+    QFETCH(Qt::WindowState, windowState);
+    QMdiArea workspace;
+    QMdiSubWindow *window = qobject_cast<QMdiSubWindow *>(workspace.addSubWindow(new QLineEdit));
+    window->show();
+    workspace.show();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(&workspace);
+#endif
+
+    QWidget *testWidget = 0;
+    for (int iteration = 0; iteration < 2; ++iteration) {
+        if (iteration == 0)
+            testWidget = window;
+        else
+            testWidget = window->widget();
+
+        testWidget->setWindowState(windowState);
+
+        Qt::WindowStates windowStateWindow = window->windowState();
+        windowStateWindow &= ~Qt::WindowActive;
+        Qt::WindowStates windowStateWidget = window->widget()->windowState();
+        windowStateWidget &= ~Qt::WindowActive;
+        QCOMPARE(windowStateWindow, windowStateWidget);
+
+        switch (windowState) {
+        case Qt::WindowNoState:
+            QVERIFY(!window->widget()->isMinimized());
+            QVERIFY(!window->widget()->isMaximized());
+            QVERIFY(!window->isMinimized());
+            QVERIFY(!window->isMaximized());
+            break;
+        case Qt::WindowMinimized:
+            QVERIFY(window->widget()->isMinimized());
+            QVERIFY(window->isMinimized());
+            break;
+        case Qt::WindowMaximized:
+            QVERIFY(window->widget()->isMaximized());
+            QVERIFY(window->isMaximized());
+            break;
+        default:
+            break;
+        }
+    }
+}
+
+void tst_QMdiSubWindow::mainWindowSupport()
+{
+    QList<QMdiSubWindow *> windows;
+    QMdiArea *workspace = new QMdiArea;
+    QMainWindow mainWindow;
+    mainWindow.setCentralWidget(workspace);
+    mainWindow.show();
+    mainWindow.menuBar()->setVisible(true);
+    qApp->setActiveWindow(&mainWindow);
+
+    // QMainWindow's window title is empty
+#if !defined(Q_WS_MAC) && !defined(Q_OS_WINCE)
+    {
+    QCOMPARE(mainWindow.windowTitle(), QString());
+    QMdiSubWindow *window = workspace->addSubWindow(new QPushButton(QLatin1String("Test")));
+    QString expectedTitle = QLatin1String("MainWindow's title is empty");
+    window->setWindowTitle(expectedTitle);
+    QCOMPARE(window->windowTitle(), expectedTitle);
+    window->showMaximized();
+    QVERIFY(window->isMaximized());
+    QCOMPARE(window->windowTitle(), expectedTitle);
+    QCOMPARE(mainWindow.windowTitle(), expectedTitle);
+    window->showNormal();
+    QCOMPARE(window->windowTitle(), expectedTitle);
+    QCOMPARE(mainWindow.windowTitle(), QString());
+    window->close();
+    }
+#endif
+
+    QString originalWindowTitle = QString::fromLatin1("MainWindow");
+    mainWindow.setWindowTitle(originalWindowTitle);
+
+    for (int i = 0; i < 5; ++i) {
+        mainWindow.menuBar()->setVisible(false);
+
+        QMdiSubWindow *window = new QMdiSubWindow;
+        windows.append(window);
+        QVERIFY(!window->maximizedButtonsWidget());
+        QVERIFY(!window->maximizedSystemMenuIconWidget());
+
+        QMdiArea *nestedWorkspace = new QMdiArea; // :-)
+        window->setWidget(nestedWorkspace);
+        window->widget()->setWindowTitle(QString::fromLatin1("Window %1").arg(i));
+
+        workspace->addSubWindow(window);
+        QVERIFY(!window->maximizedButtonsWidget());
+        QVERIFY(!window->maximizedSystemMenuIconWidget());
+        window->show();
+
+        // mainWindow.menuBar() is not visible
+        window->showMaximized();
+        qApp->processEvents();
+        QVERIFY(window->isMaximized());
+        QVERIFY(!window->maximizedButtonsWidget());
+        QVERIFY(!window->maximizedSystemMenuIconWidget());
+        window->showNormal();
+
+        // Now it is
+        mainWindow.menuBar()->setVisible(true);
+
+        window->showMaximized();
+        qApp->processEvents();
+        QVERIFY(window->isMaximized());
+#if !defined(Q_WS_MAC) && !defined(Q_OS_WINCE)
+        QVERIFY(window->maximizedButtonsWidget());
+        QCOMPARE(window->maximizedButtonsWidget(), mainWindow.menuBar()->cornerWidget(Qt::TopRightCorner));
+        QVERIFY(window->maximizedSystemMenuIconWidget());
+        QCOMPARE(window->maximizedSystemMenuIconWidget(), qobject_cast<QWidget *>(mainWindow.menuBar()
+                                                                    ->cornerWidget(Qt::TopLeftCorner)));
+        QCOMPARE(mainWindow.windowTitle(), QString::fromLatin1("%1 - [%2]")
+                                           .arg(originalWindowTitle, window->widget()->windowTitle()));
+#endif
+
+        // Check that nested child windows don't set window title
+        nestedWorkspace->show();
+        QMdiSubWindow *nestedWindow = new QMdiSubWindow;
+        nestedWindow->setWidget(new QWidget);
+        nestedWorkspace->addSubWindow(nestedWindow);
+        nestedWindow->widget()->setWindowTitle(QString::fromLatin1("NestedWindow %1").arg(i));
+        nestedWindow->showMaximized();
+        qApp->processEvents();
+        QVERIFY(nestedWindow->isMaximized());
+        QVERIFY(!nestedWindow->maximizedButtonsWidget());
+        QVERIFY(!nestedWindow->maximizedSystemMenuIconWidget());
+
+#if !defined(Q_WS_MAC) && !defined(Q_OS_WINCE)
+        QCOMPARE(mainWindow.windowTitle(), QString::fromLatin1("%1 - [%2]")
+                                           .arg(originalWindowTitle, window->widget()->windowTitle()));
+#endif
+    }
+
+#if defined(Q_WS_MAC) || defined(Q_OS_WINCE)
+    return;
+#endif
+
+    workspace->activateNextSubWindow();
+    qApp->processEvents();
+    foreach (QMdiSubWindow *window, windows) {
+        QCOMPARE(workspace->activeSubWindow(), window);
+        QVERIFY(window->isMaximized());
+        QVERIFY(window->maximizedButtonsWidget());
+        QCOMPARE(window->maximizedButtonsWidget(), mainWindow.menuBar()->cornerWidget(Qt::TopRightCorner));
+        QVERIFY(window->maximizedSystemMenuIconWidget());
+        QCOMPARE(window->maximizedSystemMenuIconWidget(), qobject_cast<QWidget *>(mainWindow.menuBar()
+                                                                   ->cornerWidget(Qt::TopLeftCorner)));
+        QCOMPARE(mainWindow.windowTitle(), QString::fromLatin1("%1 - [%2]")
+                                           .arg(originalWindowTitle, window->widget()->windowTitle()));
+        workspace->activateNextSubWindow();
+        qApp->processEvents();
+    }
+}
+
+// This test was written when QMdiSubWindow emitted separate signals
+void tst_QMdiSubWindow::emittingOfSignals_data()
+{
+    QTest::addColumn<QByteArray>("signal");
+    QTest::addColumn<Qt::WindowState>("watchedState");
+
+    QTest::newRow("windowMaximized") << QByteArray(SIGNAL(windowMaximized())) << Qt::WindowMaximized;
+    QTest::newRow("windowMinimized") << QByteArray(SIGNAL(windowMinimized())) << Qt::WindowMinimized;
+    QTest::newRow("windowRestored") << QByteArray(SIGNAL(windowRestored())) << Qt::WindowNoState;
+    QTest::newRow("aboutToActivate") << QByteArray(SIGNAL(aboutToActivate())) << Qt::WindowNoState;
+    QTest::newRow("windowActivated") << QByteArray(SIGNAL(windowActivated())) << Qt::WindowActive;
+    QTest::newRow("windowDeactivated") << QByteArray(SIGNAL(windowDeactivated())) << Qt::WindowActive;
+}
+
+void tst_QMdiSubWindow::emittingOfSignals()
+{
+    QFETCH(QByteArray, signal);
+    QFETCH(Qt::WindowState, watchedState);
+    QMdiArea workspace;
+    workspace.show();
+    qApp->processEvents();
+    qApp->setActiveWindow(&workspace);
+    QMdiSubWindow *window = qobject_cast<QMdiSubWindow *>(workspace.addSubWindow(new QWidget));
+    qApp->processEvents();
+    window->show();
+    if (signal != SIGNAL(windowRestored()))
+        workspace.setActiveSubWindow(0);
+    qApp->processEvents();
+
+    QSignalSpy spy(window, signal == SIGNAL(aboutToActivate())
+                           ? signal.data()
+                           : SIGNAL(windowStateChanged(Qt::WindowStates, Qt::WindowStates)));
+    QVERIFY(spy.isEmpty());
+    triggerSignal(window, &workspace, signal);
+    // Unless the signal is windowRestored or windowDeactivated,
+    // we're already in correct state and nothing should happen.
+    if (signal != SIGNAL(windowRestored()) && signal != SIGNAL(windowDeactivated()))
+        triggerSignal(window, &workspace, signal);
+
+    int count = 0;
+    if (signal == SIGNAL(aboutToActivate())) {
+        count += spy.count();
+    } else {
+        for (int i = 0; i < spy.count(); ++i) {
+            Qt::WindowStates oldState = qvariant_cast<Qt::WindowStates>(spy.at(i).at(0));
+            Qt::WindowStates newState = qvariant_cast<Qt::WindowStates>(spy.at(i).at(1));
+            if (watchedState != Qt::WindowNoState) {
+                if (!(oldState & watchedState) && (newState & watchedState))
+                    ++count;
+            } else {
+                if ((oldState & (Qt::WindowMinimized | Qt::WindowMaximized))
+                        && (newState & (watchedState | Qt::WindowActive))) {
+                    ++count;
+                }
+            }
+        }
+    }
+    QCOMPARE(count, 1);
+
+    window->setParent(0);
+    window->showNormal();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(window);
+#endif
+    qApp->processEvents();
+
+    spy.clear();
+    triggerSignal(window, &workspace, signal);
+    QCOMPARE(spy.count(), 0);
+
+    delete window;
+    window = 0;
+}
+
+void tst_QMdiSubWindow::showShaded()
+{
+    QMdiArea workspace;
+    QMdiSubWindow *window = workspace.addSubWindow(new QLineEdit);
+    window->resize(300, 300);
+    qApp->processEvents();
+    workspace.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&workspace);
+#endif
+
+    QVERIFY(!window->isShaded());
+    QVERIFY(!window->isMaximized());
+
+    QCOMPARE(window->size(), QSize(300, 300));
+    QRect restoreGeometry = window->geometry();
+    window->showShaded();
+    QVERIFY(window->isShaded());
+    QVERIFY(window->isMinimized());
+
+    window->showNormal();
+    QVERIFY(!window->isShaded());
+    QVERIFY(!window->isMinimized());
+    QCOMPARE(window->geometry(), restoreGeometry);
+    window->showShaded();
+
+    window->showNormal();
+    QVERIFY(!window->isShaded());
+    QVERIFY(!window->isMinimized());
+    QCOMPARE(window->geometry(), restoreGeometry);
+    window->showMinimized();
+    window->showMaximized();
+    window->showShaded();
+    QCOMPARE(window->width(), workspace.contentsRect().width());
+    window->showNormal();
+    QCOMPARE(window->geometry(), workspace.contentsRect());
+
+    window->resize(300, 300);
+    QCOMPARE(window->size(), QSize(300, 300));
+    window->showShaded();
+    window->showNormal();
+    QTest::qWait(250);
+
+#ifdef Q_OS_WINCE
+    QSKIP("Until we have a QEvent::WindowFlagsChange event, this will skip", SkipAll);
+#endif
+
+    const QSize minimumSizeHint = window->minimumSizeHint();
+    QVERIFY(minimumSizeHint.height() < 300);
+    const int maxHeightDiff = 300 - minimumSizeHint.height();
+
+    // Calculate mouse position for bottom right corner and simulate a
+    // vertical resize with the mouse.
+    int offset = window->style()->pixelMetric(QStyle::PM_MDIFrameWidth) / 2;
+    QPoint mousePosition(window->width() - qMax(offset, 2), window->height() - qMax(offset, 2));
+    QWidget *mouseReceiver = 0;
+#ifdef Q_WS_MAC
+    if (qobject_cast<QMacStyle*>(window->style()))
+        mouseReceiver = qFindChild<QSizeGrip *>(window);
+    else
+#endif
+        mouseReceiver = window;
+    QVERIFY(mouseReceiver);
+    sendMouseMove(mouseReceiver, mousePosition, Qt::NoButton);
+    sendMousePress(mouseReceiver, mousePosition);
+
+    for (int i = 0; i < maxHeightDiff + 20; ++i) {
+        --mousePosition.ry();
+        sendMouseMove(mouseReceiver, mousePosition);
+    }
+
+    sendMouseRelease(mouseReceiver, mousePosition);
+    // Make sure we respect the minimumSizeHint!
+    QCOMPARE(window->height(), minimumSizeHint.height());
+
+    window->showShaded();
+    window->setParent(0);
+    window->show();
+    QVERIFY(!window->isShaded());
+
+    delete window;
+}
+
+void tst_QMdiSubWindow::showNormal_data()
+{
+    QTest::addColumn<QByteArray>("slot");
+
+    QTest::newRow("showMinimized") << QByteArray("showMinimized");
+    QTest::newRow("showMaximized") << QByteArray("showMaximized");
+    QTest::newRow("showShaded") << QByteArray("showShaded");
+}
+
+void tst_QMdiSubWindow::showNormal()
+{
+    QFETCH(QByteArray, slot);
+
+    QMdiArea workspace;
+    QWidget *window = workspace.addSubWindow(new QWidget);
+    qApp->processEvents();
+    workspace.show();
+    window->show();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(&workspace);
+#endif
+
+    QRect originalGeometry = window->geometry();
+    QVERIFY(QMetaObject::invokeMethod(window, slot.data()));
+    qApp->processEvents();
+    window->showNormal();
+    qApp->processEvents();
+    QCOMPARE(window->geometry(), originalGeometry);
+}
+
+class EventSpy : public QObject
+{
+public:
+    EventSpy(QObject *object, QEvent::Type event)
+        : eventToSpy(event), _count(0)
+    {
+        if (object)
+            object->installEventFilter(this);
+    }
+
+    int count() const { return _count; }
+    void clear() { _count = 0; }
+
+protected:
+    bool eventFilter(QObject *object, QEvent *event)
+    {
+        if (event->type() == eventToSpy)
+            ++_count;
+        return  QObject::eventFilter(object, event);
+    }
+
+private:
+    QEvent::Type eventToSpy;
+    int _count;
+};
+
+void tst_QMdiSubWindow::setOpaqueResizeAndMove_data()
+{
+    QTest::addColumn<bool>("opaqueMode");
+    QTest::addColumn<int>("geometryCount");
+    QTest::addColumn<int>("expectedGeometryCount");
+    QTest::addColumn<QSize>("workspaceSize");
+    QTest::addColumn<QSize>("windowSize");
+
+    QTest::newRow("normal mode") << true<< 20 << 20 << QSize(400, 400) << QSize(200, 200);
+    QTest::newRow("rubberband mode") << false << 20 << 1 << QSize(400, 400) << QSize(200, 200);
+}
+
+void tst_QMdiSubWindow::setOpaqueResizeAndMove()
+{
+#if defined (QT_NO_CURSOR) || defined (Q_OS_WINCE_WM) //For Windows CE we will set QT_NO_CURSOR if there is no cursor support
+     QSKIP("No cursor available", SkipAll);
+#endif
+    QFETCH(bool, opaqueMode);
+    QFETCH(int, geometryCount);
+    QFETCH(int, expectedGeometryCount);
+    QFETCH(QSize, workspaceSize);
+    QFETCH(QSize, windowSize);
+
+    QMdiArea workspace;
+    QMdiSubWindow *window = qobject_cast<QMdiSubWindow *>(workspace.addSubWindow(new QWidget));
+    qApp->processEvents();
+    workspace.resize(workspaceSize);
+    workspace.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&workspace);
+#endif
+
+    QWidget *mouseReceiver = 0;
+    if (window->style()->inherits("QMacStyle"))
+        mouseReceiver = qFindChild<QSizeGrip *>(window);
+    else
+        mouseReceiver = window;
+    QVERIFY(mouseReceiver);
+
+    // ----------------------------- resize -----------------------------
+    {
+    // setOpaqueResize
+    window->setOption(QMdiSubWindow::RubberBandResize, !opaqueMode);
+    QCOMPARE(window->testOption(QMdiSubWindow::RubberBandResize), !opaqueMode);
+
+    // Check that the event spy actually works
+    EventSpy resizeSpy(window, QEvent::Resize);
+    QCOMPARE(resizeSpy.count(), 0);
+    window->resize(windowSize);
+    QCOMPARE(window->size(), windowSize);
+    QCOMPARE(resizeSpy.count(), 1);
+    resizeSpy.clear();
+    QCOMPARE(resizeSpy.count(), 0);
+
+    QTest::qWait(250); // delayed update of dirty regions
+
+    // Enter resize mode.
+    int offset = window->style()->pixelMetric(QStyle::PM_MDIFrameWidth) / 2;
+    QPoint mousePosition(mouseReceiver->width() - qMax(offset, 2), mouseReceiver->height() - qMax(offset, 2));
+    sendMouseMove(mouseReceiver, mousePosition, Qt::NoButton);
+    sendMousePress(mouseReceiver, mousePosition);
+
+    // The window itself is the grabber in rubberband mode
+    if (!opaqueMode) {
+        mouseReceiver = window;
+        mousePosition = QPoint(window->width() - qMax(offset, 2), window->height() - qMax(offset, 2));
+    }
+
+    // Trigger resize events
+    for (int i = 0; i < geometryCount; ++i) {
+        if (mouseReceiver == window) {
+            ++mousePosition.rx();
+            ++mousePosition.ry();
+            sendMouseMove(mouseReceiver, mousePosition);
+        } else {
+            sendMouseMove(mouseReceiver, mousePosition + QPoint(1, 1));
+        }
+    }
+
+    // Leave resize mode
+    sendMouseRelease(mouseReceiver, mousePosition);
+    QCOMPARE(resizeSpy.count(), expectedGeometryCount);
+    QCOMPARE(window->size(), windowSize + QSize(geometryCount, geometryCount));
+    }
+
+    // ------------------------------ move ------------------------------
+    {
+    // setOpaqueMove
+    window->setOption(QMdiSubWindow::RubberBandMove, !opaqueMode);
+    QCOMPARE(window->testOption(QMdiSubWindow::RubberBandMove), !opaqueMode);
+
+    EventSpy moveSpy(window, QEvent::Move);
+    QCOMPARE(moveSpy.count(), 0);
+    window->move(30, 30);
+    QCOMPARE(moveSpy.count(), 1);
+    moveSpy.clear();
+
+    // Enter move mode
+    QStyleOptionTitleBar options;
+    options.initFrom(window);
+    int height = window->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options);
+#if defined(Q_WS_MAC)
+    // ### Remove this after mac style has been fixed
+    height -= 4;
+#endif
+    QPoint mousePosition(window->width() / 2, height - 1);
+    sendMouseMove(window, mousePosition, Qt::NoButton);
+    sendMousePress(window, mousePosition);
+
+    // Trigger move events
+    for (int i = 0; i < geometryCount; ++i) {
+        ++mousePosition.rx();
+        ++mousePosition.ry();
+        sendMouseMove(window, mousePosition);
+    }
+
+    // Leave move mode
+    sendMouseRelease(window, mousePosition);
+    QCOMPARE(moveSpy.count(), expectedGeometryCount);
+    QCOMPARE(window->size(), windowSize + QSize(geometryCount, geometryCount));
+    }
+}
+
+void tst_QMdiSubWindow::setWindowFlags_data()
+{
+    QTest::addColumn<Qt::WindowType>("windowType");
+    QTest::addColumn<Qt::WindowType>("expectedWindowType");
+    QTest::addColumn<Qt::WindowFlags>("customFlags");
+    QTest::addColumn<Qt::WindowFlags>("expectedCustomFlags");
+
+    // NB! If 'expectedCustomFlags' is set to 'Qt::WindowFlags(0)'
+    // and nothing else, it means we're expecting the same as customFlags.
+
+    // Standard window types with no custom flags set.
+    QTest::newRow("Qt::Widget") << Qt::Widget << Qt::SubWindow
+                                << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::Window") << Qt::Window << Qt::SubWindow
+                                << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::Dialog") << Qt::Dialog << Qt::SubWindow
+                                << Qt::WindowFlags(0) << DialogWindowFlags;
+    QTest::newRow("Qt::Sheet") << Qt::Sheet << Qt::SubWindow
+                               << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::Drawer") << Qt::Drawer << Qt::SubWindow
+                                << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::Popup") << Qt::Popup << Qt::SubWindow
+                               << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::Tool") << Qt::Tool << Qt::SubWindow
+                              << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::ToolTip") << Qt::ToolTip << Qt::SubWindow
+                                 << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::SplashScreen") << Qt::SplashScreen << Qt::SubWindow
+                                      << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::Desktop") << Qt::Desktop << Qt::SubWindow
+                                 << Qt::WindowFlags(0) << StandardWindowFlags;
+    QTest::newRow("Qt::SubWindow") << Qt::SubWindow << Qt::SubWindow
+                                   << Qt::WindowFlags(0) << StandardWindowFlags;
+
+    // Custom flags
+    QTest::newRow("Title") << Qt::SubWindow << Qt::SubWindow
+                           << (Qt::WindowTitleHint | Qt::WindowFlags(0))
+                           << Qt::WindowFlags(0);
+    QTest::newRow("TitleAndMin") << Qt::SubWindow << Qt::SubWindow
+                                 << (Qt::WindowTitleHint | Qt::WindowMinimizeButtonHint)
+                                 << Qt::WindowFlags(0);
+    QTest::newRow("TitleAndMax") << Qt::SubWindow << Qt::SubWindow
+                                 << (Qt::WindowTitleHint | Qt::WindowMaximizeButtonHint)
+                                 << Qt::WindowFlags(0);
+    QTest::newRow("TitleAndMinMax") << Qt::SubWindow << Qt::SubWindow
+                                    << (Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint)
+                                    << Qt::WindowFlags(0);
+    QTest::newRow("Standard") << Qt::SubWindow << Qt::SubWindow
+                              << StandardWindowFlags
+                              << Qt::WindowFlags(0);
+    QTest::newRow("StandardAndShade") << Qt::SubWindow << Qt::SubWindow
+                                      << (StandardWindowFlags | Qt::WindowShadeButtonHint)
+                                      << Qt::WindowFlags(0);
+    QTest::newRow("StandardAndContext") << Qt::SubWindow << Qt::SubWindow
+                                        << (StandardWindowFlags | Qt::WindowContextHelpButtonHint)
+                                        << Qt::WindowFlags(0);
+    QTest::newRow("StandardAndStaysOnTop") << Qt::SubWindow << Qt::SubWindow
+                                           << (StandardWindowFlags | Qt::WindowStaysOnTopHint)
+                                           << Qt::WindowFlags(0);
+    QTest::newRow("StandardAndFrameless") << Qt::SubWindow << Qt::SubWindow
+                                          << (StandardWindowFlags | Qt::FramelessWindowHint)
+                                          << (Qt::FramelessWindowHint | Qt::WindowFlags(0));
+    QTest::newRow("StandardAndFramelessAndStaysOnTop") << Qt::SubWindow << Qt::SubWindow
+                                                       << (StandardWindowFlags | Qt::FramelessWindowHint
+                                                           | Qt::WindowStaysOnTopHint)
+                                                       << (Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
+    QTest::newRow("Shade") << Qt::SubWindow << Qt::SubWindow
+                           << (Qt::WindowShadeButtonHint | Qt::WindowFlags(0))
+                           << (StandardWindowFlags | Qt::WindowShadeButtonHint);
+    QTest::newRow("ShadeAndCustomize") << Qt::SubWindow << Qt::SubWindow
+                           << (Qt::WindowShadeButtonHint | Qt::CustomizeWindowHint)
+                           << Qt::WindowFlags(0);
+    QTest::newRow("Context") << Qt::SubWindow << Qt::SubWindow
+                             << (Qt::WindowContextHelpButtonHint | Qt::WindowFlags(0))
+                             << (StandardWindowFlags | Qt::WindowContextHelpButtonHint);
+    QTest::newRow("ContextAndCustomize") << Qt::SubWindow << Qt::SubWindow
+                             << (Qt::WindowContextHelpButtonHint | Qt::CustomizeWindowHint)
+                             << Qt::WindowFlags(0);
+    QTest::newRow("ShadeAndContext") << Qt::SubWindow << Qt::SubWindow
+                             << (Qt::WindowShadeButtonHint | Qt::WindowContextHelpButtonHint)
+                             << (StandardWindowFlags | Qt::WindowShadeButtonHint | Qt::WindowContextHelpButtonHint);
+    QTest::newRow("ShadeAndContextAndCustomize") << Qt::SubWindow << Qt::SubWindow
+                             << (Qt::WindowShadeButtonHint | Qt::WindowContextHelpButtonHint | Qt::CustomizeWindowHint)
+                             << Qt::WindowFlags(0);
+    QTest::newRow("OnlyCustomize") << Qt::SubWindow << Qt::SubWindow
+                                   << (Qt::CustomizeWindowHint | Qt::WindowFlags(0))
+                                   << Qt::WindowFlags(0);
+}
+
+void tst_QMdiSubWindow::setWindowFlags()
+{
+    QSKIP("Until we have a QEvent::WindowFlagsChange event, this will skip", SkipAll);
+    QFETCH(Qt::WindowType, windowType);
+    QFETCH(Qt::WindowType, expectedWindowType);
+    QFETCH(Qt::WindowFlags, customFlags);
+    QFETCH(Qt::WindowFlags, expectedCustomFlags);
+
+    QMdiArea workspace;
+    QMdiSubWindow *window = qobject_cast<QMdiSubWindow *>(workspace.addSubWindow(new QWidget));
+    qApp->processEvents();
+    workspace.show();
+    window->show();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(&workspace);
+#endif
+
+    window->setWindowFlags(windowType | customFlags);
+    QCOMPARE(window->windowType(), expectedWindowType);
+    if (!expectedCustomFlags) // We expect the same as 'customFlags'
+        QCOMPARE(window->windowFlags() & ~expectedWindowType, customFlags);
+    else
+        QCOMPARE(window->windowFlags() & ~expectedWindowType, expectedCustomFlags);
+
+}
+
+void tst_QMdiSubWindow::mouseDoubleClick()
+{
+    QMdiArea workspace;
+    QMdiSubWindow *window = qobject_cast<QMdiSubWindow *>(workspace.addSubWindow(new QWidget));
+    qApp->processEvents();
+    workspace.show();
+    window->show();
+
+    QVERIFY(!window->isMaximized());
+    QVERIFY(!window->isShaded());
+
+    QRect originalGeometry = window->geometry();
+
+    // Calculate mouse position
+    QStyleOptionTitleBar options;
+    options.initFrom(window);
+    int height = window->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options);
+    // ### Remove this after mac style has been fixed
+    if (window->style()->inherits("QMacStyle"))
+        height -= 4;
+    // has border
+    if (!window->style()->styleHint(QStyle::SH_TitleBar_NoBorder, &options, window))
+        height += window->isMinimized() ? 8 : 4;
+    QPoint mousePosition(window->width() / 2, height - 1);
+    sendMouseMove(window, mousePosition, Qt::NoButton);
+
+    // Without Qt::WindowShadeButtonHint flag set
+    sendMouseDoubleClick(window, mousePosition);
+    qApp->processEvents();
+    QVERIFY(window->isMaximized());
+
+    sendMouseDoubleClick(window, mousePosition);
+    qApp->processEvents();
+    QVERIFY(!window->isMaximized());
+    QCOMPARE(window->geometry(), originalGeometry);
+
+    // With Qt::WindowShadeButtonHint flag set
+    QSKIP("Until we have a QEvent::WindowFlagsChange event, this will skip", SkipAll);
+    window->setWindowFlags(window->windowFlags() | Qt::WindowShadeButtonHint);
+    QVERIFY(window->windowFlags() & Qt::WindowShadeButtonHint);
+    originalGeometry = window->geometry();
+    sendMouseDoubleClick(window, mousePosition);
+    qApp->processEvents();
+    QVERIFY(window->isShaded());
+
+    sendMouseDoubleClick(window, mousePosition);
+    qApp->processEvents();
+    QVERIFY(!window->isShaded());
+    QCOMPARE(window->geometry(), originalGeometry);
+
+    window->showMinimized();
+    QVERIFY(window->isMinimized());
+    sendMouseDoubleClick(window, mousePosition);
+    QVERIFY(!window->isMinimized());
+    QCOMPARE(window->geometry(), originalGeometry);
+}
+
+void tst_QMdiSubWindow::setSystemMenu()
+{
+    QMdiSubWindow *subWindow = new QMdiSubWindow;
+    subWindow->resize(200, 50);
+    QPointer<QMenu>systemMenu = subWindow->systemMenu();
+    QVERIFY(systemMenu);
+    QCOMPARE(subWindow->actions(), systemMenu->actions());
+
+    QMainWindow mainWindow;
+    QMdiArea *mdiArea = new QMdiArea;
+    mdiArea->addSubWindow(subWindow);
+    mainWindow.setCentralWidget(mdiArea);
+    mainWindow.menuBar();
+    mainWindow.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mainWindow);
+#endif
+
+    QVERIFY(subWindow->isVisible());
+    QPoint globalPopupPos = subWindow->mapToGlobal(subWindow->contentsRect().topLeft());
+
+    // Show system menu
+    QVERIFY(!qApp->activePopupWidget());
+    subWindow->showSystemMenu();
+    QTest::qWait(250);
+    QCOMPARE(qApp->activePopupWidget(), qobject_cast<QWidget *>(systemMenu));
+    QCOMPARE(systemMenu->mapToGlobal(QPoint(0, 0)), globalPopupPos);
+
+    systemMenu->hide();
+    QVERIFY(!qApp->activePopupWidget());
+
+    QTest::ignoreMessage(QtWarningMsg, "QMdiSubWindow::setSystemMenu: system menu is already set");
+    subWindow->setSystemMenu(systemMenu);
+
+    subWindow->setSystemMenu(0);
+    QVERIFY(!systemMenu); // systemMenu is QPointer
+
+    systemMenu = new QMenu(subWindow);
+    systemMenu->addAction(QIcon(subWindow->style()->standardIcon(QStyle::SP_TitleBarCloseButton)),
+                          QObject::tr("&Close"), subWindow, SLOT(close()));
+    subWindow->setSystemMenu(systemMenu);
+    QCOMPARE(subWindow->systemMenu(), qobject_cast<QMenu *>(systemMenu));
+    QCOMPARE(subWindow->systemMenu()->parentWidget(), static_cast<QWidget *>(subWindow));
+    QCOMPARE(subWindow->systemMenu()->actions().count(), 1);
+
+    // Show the new system menu
+    QVERIFY(!qApp->activePopupWidget());
+    subWindow->showSystemMenu();
+    QTest::qWait(250);
+    QCOMPARE(qApp->activePopupWidget(), qobject_cast<QWidget *>(systemMenu));
+    QCOMPARE(systemMenu->mapToGlobal(QPoint(0, 0)), globalPopupPos);
+
+    systemMenu->hide();
+    QVERIFY(!qApp->activePopupWidget());
+
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    // System menu in menu bar.
+    subWindow->showMaximized();
+    QVERIFY(subWindow->isMaximized());
+    QWidget *menuLabel = subWindow->maximizedSystemMenuIconWidget();
+    QVERIFY(menuLabel);
+    subWindow->showSystemMenu();
+    QTest::qWait(250);
+    QCOMPARE(qApp->activePopupWidget(), qobject_cast<QWidget *>(systemMenu));
+    globalPopupPos = menuLabel->mapToGlobal(QPoint(0, menuLabel->y() + menuLabel->height()));
+    QCOMPARE(systemMenu->mapToGlobal(QPoint(0, 0)), globalPopupPos);
+    systemMenu->hide();
+    QVERIFY(!qApp->activePopupWidget());
+    subWindow->showNormal();
+#endif
+
+    // Reverse
+    qApp->setLayoutDirection(Qt::RightToLeft);
+    qApp->processEvents();
+    mainWindow.updateGeometry();
+
+    subWindow->showSystemMenu();
+    QTest::qWait(250);
+    QCOMPARE(qApp->activePopupWidget(), qobject_cast<QWidget *>(systemMenu));
+    // + QPoint(1, 0) because topRight() == QPoint(left() + width() -1, top())
+    globalPopupPos = subWindow->mapToGlobal(subWindow->contentsRect().topRight()) + QPoint(1, 0);
+    globalPopupPos -= QPoint(systemMenu->sizeHint().width(), 0);
+    QCOMPARE(systemMenu->mapToGlobal(QPoint(0, 0)), globalPopupPos);
+
+    systemMenu->hide();
+    QVERIFY(!qApp->activePopupWidget());
+
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    // System menu in menu bar in reverse mode.
+    subWindow->showMaximized();
+    QVERIFY(subWindow->isMaximized());
+    menuLabel = subWindow->maximizedSystemMenuIconWidget();
+    QVERIFY(menuLabel);
+    subWindow->showSystemMenu();
+    QTest::qWait(250);
+    QCOMPARE(qApp->activePopupWidget(), qobject_cast<QWidget *>(systemMenu));
+    globalPopupPos = menuLabel->mapToGlobal(QPoint(menuLabel->width(), menuLabel->y() + menuLabel->height()));
+    globalPopupPos -= QPoint(systemMenu->sizeHint().width(), 0);
+    QCOMPARE(systemMenu->mapToGlobal(QPoint(0, 0)), globalPopupPos);
+#endif
+
+    delete systemMenu;
+    QVERIFY(!qApp->activePopupWidget());
+    QVERIFY(!subWindow->systemMenu());
+
+    // Restore layout direction.
+    qApp->setLayoutDirection(Qt::LeftToRight);
+}
+
+void tst_QMdiSubWindow::restoreFocus()
+{
+    // Create complex layout.
+    QGroupBox *box = new QGroupBox(tr("GroupBox"));
+    box->setCheckable(true);
+
+    QGroupBox *box1 = new QGroupBox(tr("&TopLeft"));
+    box1->setLayout(new QHBoxLayout);
+    box1->layout()->addWidget(new QTextEdit);
+
+    QGroupBox *box2 = new QGroupBox(tr("&TopRight"));
+    box2->setLayout(new QHBoxLayout);
+    box2->layout()->addWidget(new QTextEdit);
+
+    QGroupBox *box3 = new QGroupBox(tr("&BottomLeft"));
+    box3->setLayout(new QHBoxLayout);
+    box3->layout()->addWidget(new QTextEdit);
+
+    QGroupBox *box4 = new QGroupBox(tr("&BottomRight"));
+    box4->setLayout(new QHBoxLayout);
+    QMdiArea *nestedWorkspace = new QMdiArea;
+    for (int i = 0; i < 4; ++i)
+        nestedWorkspace->addSubWindow(new QTextEdit)->show();
+    qApp->processEvents();
+    nestedWorkspace->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    nestedWorkspace->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    box4->layout()->addWidget(nestedWorkspace);
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(box1, 0, 0);
+    layout->addWidget(box2, 0, 1);
+    layout->addWidget(box3, 1, 0);
+    layout->addWidget(box4, 1, 1);
+
+    box->setLayout(layout);
+
+    // Add complex widget to workspace.
+    QMdiArea topArea;
+    QMdiSubWindow *complexWindow = topArea.addSubWindow(box);
+    topArea.show();
+    box->show();
+
+    qApp->setActiveWindow(&topArea);
+    QMdiSubWindow *expectedFocusWindow = nestedWorkspace->subWindowList().last();
+    QVERIFY(expectedFocusWindow);
+    QVERIFY(expectedFocusWindow->widget());
+    QCOMPARE(qApp->focusWidget(), expectedFocusWindow->widget());
+
+    // Normal -> minimized
+    expectedFocusWindow->showMinimized();
+    qApp->processEvents();
+    QVERIFY(expectedFocusWindow->isMinimized());
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(expectedFocusWindow));
+
+    // Minimized -> normal
+    expectedFocusWindow->showNormal();
+    qApp->processEvents();
+    QVERIFY(!expectedFocusWindow->isMinimized());
+    QCOMPARE(qApp->focusWidget(), expectedFocusWindow->widget());
+
+    // Normal -> maximized
+    expectedFocusWindow->showMaximized();
+    qApp->processEvents();
+    QVERIFY(expectedFocusWindow->isMaximized());
+    QCOMPARE(qApp->focusWidget(), expectedFocusWindow->widget());
+
+    // Maximized -> normal
+    expectedFocusWindow->showNormal();
+    qApp->processEvents();
+    QVERIFY(!expectedFocusWindow->isMaximized());
+    QCOMPARE(qApp->focusWidget(), expectedFocusWindow->widget());
+
+    // Minimized -> maximized
+    expectedFocusWindow->showMinimized();
+    qApp->processEvents();
+    QVERIFY(expectedFocusWindow->isMinimized());
+    expectedFocusWindow->showMaximized();
+    qApp->processEvents();
+    QVERIFY(expectedFocusWindow->isMaximized());
+    QCOMPARE(qApp->focusWidget(), expectedFocusWindow->widget());
+
+    // Maximized -> minimized
+    expectedFocusWindow->showNormal();
+    qApp->processEvents();
+    QVERIFY(!expectedFocusWindow->isMaximized());
+    expectedFocusWindow->showMaximized();
+    qApp->processEvents();
+    QVERIFY(expectedFocusWindow->isMaximized());
+    expectedFocusWindow->showMinimized();
+    qApp->processEvents();
+    QVERIFY(expectedFocusWindow->isMinimized());
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(expectedFocusWindow));
+
+    complexWindow->showMinimized();
+    qApp->processEvents();
+    QVERIFY(complexWindow->isMinimized());
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(complexWindow));
+
+    complexWindow->showNormal();
+    qApp->processEvents();
+    QVERIFY(!complexWindow->isMinimized());
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(expectedFocusWindow));
+}
+
+void tst_QMdiSubWindow::changeFocusWithTab()
+{
+    QWidget *widget = new QWidget;
+    widget->setLayout(new QVBoxLayout);
+
+    QLineEdit *firstLineEdit = new QLineEdit;
+    widget->layout()->addWidget(firstLineEdit);
+    QLineEdit *secondLineEdit = new QLineEdit;
+    widget->layout()->addWidget(secondLineEdit);
+    QLineEdit *thirdLineEdit = new QLineEdit;
+    widget->layout()->addWidget(thirdLineEdit);
+
+    QMdiArea mdiArea;
+    mdiArea.addSubWindow(widget);
+    mdiArea.show();
+    QCOMPARE(mdiArea.subWindowList().count(), 1);
+
+    qApp->setActiveWindow(&mdiArea);
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(firstLineEdit));
+
+    // Next
+    QTest::keyPress(widget, Qt::Key_Tab);
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(secondLineEdit));
+
+    // Next
+    QTest::keyPress(widget, Qt::Key_Tab);
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(thirdLineEdit));
+
+    // Previous
+    QTest::keyPress(widget, Qt::Key_Backtab);
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(secondLineEdit));
+
+    // Previous
+    QTest::keyPress(widget, Qt::Key_Backtab);
+    QCOMPARE(qApp->focusWidget(), static_cast<QWidget *>(firstLineEdit));
+
+    QMdiSubWindow *window = mdiArea.addSubWindow(new QPushButton);
+    window->show();
+    QCOMPARE(mdiArea.activeSubWindow(), window);
+
+    // Check that we don't give away focus to another window by
+    // just hitting tab if the child widget does not accept
+    // focus (which is the case for a QPushButton).
+    QTest::keyPress(window, Qt::Key_Tab);
+    QCOMPARE(mdiArea.activeSubWindow(), window);
+    QCOMPARE(qApp->focusWidget(), tabAllWidgets() ? window->widget() : window);
+    QTest::keyPress(window, Qt::Key_Tab);
+    QCOMPARE(mdiArea.activeSubWindow(), window);
+    QCOMPARE(qApp->focusWidget(), tabAllWidgets() ? window->widget() : window);
+}
+
+class MyTextEdit : public QTextEdit
+{
+public:
+    MyTextEdit(QWidget *parent = 0) : QTextEdit(parent), acceptClose(false) {}
+    void setAcceptClose(bool enable = true) { acceptClose = enable; }
+protected:
+    void closeEvent(QCloseEvent *closeEvent)
+    {
+        if (!acceptClose)
+            closeEvent->ignore();
+    }
+
+private:
+    bool acceptClose;
+};
+
+void tst_QMdiSubWindow::closeEvent()
+{
+    QMdiArea mdiArea;
+    mdiArea.show();
+
+    MyTextEdit *textEdit = new MyTextEdit;
+    textEdit->setAcceptClose(false);
+    QMdiSubWindow *window = mdiArea.addSubWindow(textEdit);
+    EventSpy closeSpy(window->widget(), QEvent::Close);
+    window->show();
+
+    QCOMPARE(closeSpy.count(), 0);
+    QVERIFY(window->isVisible());
+    QVERIFY(textEdit->isVisible());
+
+    QVERIFY(!window->close());
+    QCOMPARE(closeSpy.count(), 1);
+    QVERIFY(window->isVisible());
+    QVERIFY(textEdit->isVisible());
+
+    QVERIFY(!textEdit->close());
+    QCOMPARE(closeSpy.count(), 2);
+    QVERIFY(window->isVisible());
+    QVERIFY(textEdit->isVisible());
+
+    textEdit->setAcceptClose(true);
+
+    QVERIFY(window->close());
+    QCOMPARE(closeSpy.count(), 3);
+    QCOMPARE(mdiArea.subWindowList().count(), 0);
+}
+
+// There exists more tests in QMdiArea which covers window title support
+// related to QMainWindow. This test is specific for QMdiSubWindow and its
+// widget.
+void tst_QMdiSubWindow::setWindowTitle()
+{
+    QString expectedWindowTitle = QLatin1String("This is teh shit[*]");
+    QTextEdit *textEdit = new QTextEdit;
+    textEdit->setWindowTitle(expectedWindowTitle);
+    QCOMPARE(textEdit->windowTitle(), expectedWindowTitle);
+    textEdit->setWindowModified(true);
+    QCOMPARE(textEdit->isWindowModified(), true);
+
+    QMdiArea mdiArea;
+    QMdiSubWindow *window = new QMdiSubWindow;
+    mdiArea.addSubWindow(window);
+    QCOMPARE(window->windowTitle(), QString());
+    QVERIFY(!window->isWindowModified());
+
+    window->setWidget(textEdit);
+    QVERIFY(window->isWindowModified());
+    QCOMPARE(textEdit->windowTitle(), expectedWindowTitle);
+    QCOMPARE(window->windowTitle(), window->widget()->windowTitle());
+
+    textEdit->setWindowModified(false);
+    QVERIFY(!textEdit->isWindowModified());
+    QVERIFY(!window->isWindowModified());
+    // This will return the title including the astrix, but the
+    // actual window title does not contain the astrix. This behavior
+    // seems a bit odd, but is equal to e.g. QTextEdit (and probably all
+    // other widgets which are not real top-level widgets).
+    QCOMPARE(window->windowTitle(), expectedWindowTitle);
+
+    textEdit->setWindowModified(true);;
+    expectedWindowTitle = QLatin1String("Override child title");
+    window->setWindowTitle(expectedWindowTitle);
+    QVERIFY(window->isWindowModified());
+    QCOMPARE(window->windowTitle(), expectedWindowTitle);
+
+    textEdit->setWindowTitle(QLatin1String("My parent overrides me"));
+    QCOMPARE(window->windowTitle(), expectedWindowTitle);
+
+    textEdit->setWindowModified(false);
+    QVERIFY(window->isWindowModified());
+    QCOMPARE(window->windowTitle(), expectedWindowTitle);
+
+    window->setWindowModified(false);
+    QVERIFY(!window->isWindowModified());
+    window->setWindowTitle(QString());
+    QCOMPARE(window->windowTitle(), QString());
+
+    expectedWindowTitle = QLatin1String("My parent doesn't have any title so now I can set one[*]");
+    textEdit->setWindowTitle(expectedWindowTitle);
+    QCOMPARE(window->windowTitle(), expectedWindowTitle);
+    textEdit->setWindowModified(true);
+    QVERIFY(window->isWindowModified());
+
+    window->setWidget(0);
+    QCOMPARE(window->windowTitle(), QString());
+    QVERIFY(!window->isWindowModified());
+    delete textEdit;
+}
+
+void tst_QMdiSubWindow::resizeEvents_data()
+{
+    QTest::addColumn<Qt::WindowState>("windowState");
+    QTest::addColumn<int>("expectedWindowResizeEvents");
+    QTest::addColumn<int>("expectedWidgetResizeEvents");
+    QTest::addColumn<bool>("isShadeMode");
+
+    QTest::newRow("minimized") << Qt::WindowMinimized << 1 << 0 << false;
+    QTest::newRow("maximized") << Qt::WindowMaximized << 1 << 1 << false;
+    QTest::newRow("shaded") << Qt::WindowMinimized << 1 << 0 << true;
+}
+
+void tst_QMdiSubWindow::resizeEvents()
+{
+    QFETCH(Qt::WindowState, windowState);
+    QFETCH(int, expectedWindowResizeEvents);
+    QFETCH(int, expectedWidgetResizeEvents);
+    QFETCH(bool, isShadeMode);
+
+    QMainWindow mainWindow;
+    QMdiArea *mdiArea = new QMdiArea;
+    mainWindow.setCentralWidget(mdiArea);
+    mainWindow.show();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(&mainWindow);
+#endif
+
+    QMdiSubWindow *window = mdiArea->addSubWindow(new QTextEdit);
+    window->show();
+
+    EventSpy windowResizeEventSpy(window, QEvent::Resize);
+    QCOMPARE(windowResizeEventSpy.count(), 0);
+    EventSpy widgetResizeEventSpy(window->widget(), QEvent::Resize);
+    QCOMPARE(widgetResizeEventSpy.count(), 0);
+
+    // Set the window state.
+    if (!isShadeMode)
+        window->setWindowState(windowState);
+    else
+        window->showShaded();
+
+    // Check that the window state is correct.
+    QCOMPARE(window->windowState(), windowState | Qt::WindowActive);
+    QCOMPARE(window->widget()->windowState(), windowState);
+
+    // Make sure we got as many resize events as expected.
+    QCOMPARE(windowResizeEventSpy.count(), expectedWindowResizeEvents);
+    QCOMPARE(widgetResizeEventSpy.count(), expectedWidgetResizeEvents);
+    windowResizeEventSpy.clear();
+    widgetResizeEventSpy.clear();
+
+    // Normalize.
+    window->showNormal();
+
+    // Check that the window state is correct.
+    QCOMPARE(window->windowState(), Qt::WindowNoState | Qt::WindowActive);
+    QCOMPARE(window->widget()->windowState(), Qt::WindowNoState);
+
+    // Make sure we got as many resize events as expected.
+    QCOMPARE(windowResizeEventSpy.count(), expectedWindowResizeEvents);
+    QCOMPARE(widgetResizeEventSpy.count(), expectedWidgetResizeEvents);
+}
+
+#if defined(Q_WS_MAC)
+void tst_QMdiSubWindow::defaultSizeGrip()
+{
+    if (!qApp->style()->inherits("QMacStyle"))
+        return;
+    QMdiArea mdiArea;
+    mdiArea.show();
+
+    // QSizeGrip on windows with decoration.
+    QMdiSubWindow *windowWithDecoration = mdiArea.addSubWindow(new QWidget);
+    windowWithDecoration->show();
+    QVERIFY(qFindChild<QSizeGrip *>(windowWithDecoration));
+
+    // ...but not on windows without decoration (Qt::FramelessWindowHint).
+    QMdiSubWindow *windowWithoutDecoration = mdiArea.addSubWindow(new QWidget, Qt::FramelessWindowHint);
+    windowWithoutDecoration->show();
+    QVERIFY(!qFindChild<QSizeGrip *>(windowWithoutDecoration));
+}
+#endif
+
+void tst_QMdiSubWindow::hideAndShow()
+{
+    // Create a QTabWidget with two tabs; QMdiArea and QTextEdit.
+    QTabWidget *tabWidget = new QTabWidget;
+    QMdiArea *mdiArea = new QMdiArea;
+    tabWidget->addTab(mdiArea, QLatin1String("QMdiArea"));
+    tabWidget->addTab(new QTextEdit, QLatin1String("Dummy"));
+
+    // Set the tab widget as the central widget in QMainWindow.
+    QMainWindow mainWindow;
+    mainWindow.setGeometry(0, 0, 640, 480);
+    QMenuBar *menuBar = mainWindow.menuBar();
+    mainWindow.setCentralWidget(tabWidget);
+    mainWindow.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mainWindow);
+#endif
+
+    QVERIFY(!menuBar->cornerWidget(Qt::TopRightCorner));
+    QMdiSubWindow *subWindow = mdiArea->addSubWindow(new QTextEdit);
+    subWindow->showMaximized();
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    QVERIFY(menuBar->cornerWidget(Qt::TopRightCorner));
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+#endif
+
+    // Hide QMdiArea.
+    tabWidget->setCurrentIndex(1);
+
+    QVERIFY(!menuBar->cornerWidget(Qt::TopRightCorner));
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+
+    // Show QMdiArea.
+    tabWidget->setCurrentIndex(0);
+
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    QVERIFY(menuBar->cornerWidget(Qt::TopRightCorner));
+    QVERIFY(subWindow->maximizedButtonsWidget());
+    QVERIFY(subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+#endif
+
+    // Hide QMdiArea.
+    tabWidget->setCurrentIndex(1);
+
+    // Add few more windows.
+    for (int i = 0; i < 5; ++i)
+        mdiArea->addSubWindow(new QTextEdit);
+
+    // Show QMdiArea.
+    tabWidget->setCurrentIndex(0);
+    qApp->processEvents();
+
+    subWindow = mdiArea->subWindowList().back();
+    QVERIFY(subWindow);
+    QCOMPARE(mdiArea->activeSubWindow(), subWindow);
+
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    QVERIFY(menuBar->cornerWidget(Qt::TopRightCorner));
+    QVERIFY(subWindow->maximizedButtonsWidget());
+    QVERIFY(subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+#endif
+
+    subWindow->showNormal();
+    QVERIFY(!menuBar->cornerWidget(Qt::TopRightCorner));
+
+    // Check that newly added windows got right sizes.
+    foreach (QMdiSubWindow *window, mdiArea->subWindowList())
+        QCOMPARE(window->size(), window->sizeHint());
+
+    subWindow->showMaximized();
+#ifndef Q_WS_MAC
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+#endif
+
+    subWindow->hide();
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+    QVERIFY(!menuBar->cornerWidget(Qt::TopRightCorner));
+
+    subWindow->show();
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    QVERIFY(subWindow->maximizedButtonsWidget());
+    QVERIFY(subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+#endif
+
+    // Hide QMainWindow.
+    mainWindow.hide();
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+    QVERIFY(!menuBar->cornerWidget(Qt::TopRightCorner));
+
+    // Show QMainWindow.
+    mainWindow.show();
+#if !defined (Q_WS_MAC) && !defined (Q_OS_WINCE)
+    QVERIFY(subWindow->maximizedButtonsWidget());
+    QVERIFY(subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+#endif
+}
+
+void tst_QMdiSubWindow::keepWindowMaximizedState()
+{
+    QMdiArea mdiArea;
+    QMdiSubWindow *subWindow = mdiArea.addSubWindow(new QTextEdit);
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    subWindow->showMaximized();
+    QVERIFY(subWindow->isMaximized());
+
+    // move
+    const QPoint newPosition = subWindow->pos() + QPoint(10, 10);
+    subWindow->move(newPosition);
+    QCOMPARE(subWindow->pos(), newPosition);
+    QVERIFY(subWindow->isMaximized());
+
+    // resize
+    const QSize newSize = subWindow->size() - QSize(10, 10);
+    subWindow->resize(newSize);
+    QCOMPARE(subWindow->size(), newSize);
+    QVERIFY(subWindow->isMaximized());
+
+    // setGeometry
+    const QRect newGeometry = QRect(newPosition - QPoint(10, 10), newSize + QSize(10, 10));
+    subWindow->setGeometry(newGeometry);
+    QCOMPARE(subWindow->geometry(), newGeometry);
+    QVERIFY(subWindow->isMaximized());
+
+    subWindow->showNormal();
+
+    // Verify that we don't force Qt::WindowMaximized.
+    QVERIFY(!subWindow->isMaximized());
+    subWindow->setGeometry(QRect(newPosition, newSize));
+    QCOMPARE(subWindow->geometry(), QRect(newPosition, newSize));
+    QVERIFY(!subWindow->isMaximized());
+}
+
+void tst_QMdiSubWindow::explicitlyHiddenWidget()
+{
+    QMdiArea mdiArea;
+    QTextEdit *textEdit = new QTextEdit;
+    textEdit->hide();
+    QMdiSubWindow *subWindow = mdiArea.addSubWindow(textEdit);
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    QVERIFY(subWindow->isVisible());
+    QVERIFY(!textEdit->isVisible());
+
+    textEdit->show();
+    QVERIFY(textEdit->isVisible());
+
+    // normal -> minimized
+    subWindow->showMinimized();
+    QVERIFY(subWindow->isVisible());
+    QVERIFY(!textEdit->isVisible());
+
+    // minimized -> normal
+    subWindow->showNormal();
+    QVERIFY(subWindow->isVisible());
+    QVERIFY(textEdit->isVisible());
+
+    // minimized -> maximized
+    subWindow->showMinimized();
+    subWindow->showMaximized();
+    QVERIFY(subWindow->isVisible());
+    QVERIFY(textEdit->isVisible());
+
+    textEdit->hide();
+
+    // maximized -> normal
+    subWindow->showNormal();
+    QVERIFY(subWindow->isVisible());
+    QVERIFY(!textEdit->isVisible());
+
+    textEdit->show();
+
+    subWindow->showMinimized();
+    subWindow->setWidget(0);
+    delete textEdit;
+    textEdit = new QTextEdit;
+    textEdit->hide();
+    subWindow->setWidget(textEdit);
+    subWindow->showNormal();
+    QVERIFY(subWindow->isVisible());
+    QVERIFY(!textEdit->isVisible());
+}
+
+void tst_QMdiSubWindow::resizeTimer()
+{
+    QMdiArea mdiArea;
+    QMdiSubWindow *subWindow = mdiArea.addSubWindow(new QWidget);
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    EventSpy timerEventSpy(subWindow, QEvent::Timer);
+    QCOMPARE(timerEventSpy.count(), 0);
+
+    for (int i = 0; i < 20; ++i) {
+        subWindow->resize(subWindow->size() + QSize(2, 2));
+        qApp->processEvents();
+    }
+
+    QTest::qWait(500); // Wait for timer events to occur.
+
+    QVERIFY(timerEventSpy.count() > 0);
+}
+
+void tst_QMdiSubWindow::fixedMinMaxSize()
+{
+    QMdiArea mdiArea;
+    mdiArea.setGeometry(0, 0, 640, 480);
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    const QSize minimumSize = QSize(250, 150);
+    const QSize maximumSize = QSize(300, 200);
+
+    // Add the sub window to QMdiArea and set min/max size.
+    QMdiSubWindow *subWindow = new QMdiSubWindow;
+    subWindow->setMinimumSize(minimumSize);
+    QCOMPARE(subWindow->minimumSize(), minimumSize);
+    subWindow->setMaximumSize(maximumSize);
+    QCOMPARE(subWindow->maximumSize(), maximumSize);
+    mdiArea.addSubWindow(subWindow);
+    subWindow->show();
+    QCOMPARE(subWindow->size(), minimumSize);
+
+    // Calculate the size of a minimized sub window.
+    QStyleOptionTitleBar options;
+    options.initFrom(subWindow);
+    int minimizedHeight = subWindow->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options);
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+    // ### Remove this after mac style has been fixed
+    if (qobject_cast<QMacStyle *>(subWindow->style()))
+        minimizedHeight -= 4;
+#endif
+    if (!subWindow->style()->styleHint(QStyle::SH_TitleBar_NoBorder, &options, subWindow))
+        minimizedHeight += 8;
+    int minimizedWidth = subWindow->style()->pixelMetric(QStyle::PM_MDIMinimizedWidth, &options);
+    const QSize minimizedSize = QSize(minimizedWidth, minimizedHeight);
+
+    // Even though the sub window has a minimum size set, it should be possible
+    // to minimize the window.
+    subWindow->showMinimized();
+    QVERIFY(subWindow->isMinimized());
+    QCOMPARE(subWindow->size(), minimizedSize);
+    QCOMPARE(subWindow->minimumSize(), minimizedSize);
+
+    // Restore minimum size.
+    subWindow->showNormal();
+    QVERIFY(!subWindow->isMinimized());
+    QCOMPARE(subWindow->size(), minimumSize);
+    QCOMPARE(subWindow->minimumSize(), minimumSize);
+
+    // Well, the logic here is of course broken (calling showMaximized on a window with
+    // maximum size set), but we should handle it :)
+    subWindow->showMaximized();
+    QVERIFY(subWindow->isMaximized());
+    QCOMPARE(subWindow->size(), maximumSize);
+
+    subWindow->showNormal();
+    QVERIFY(!subWindow->isMaximized());
+    QCOMPARE(subWindow->size(), minimumSize);
+}
+
+#if !defined( Q_WS_MAC) && !defined( Q_OS_WINCE)
+void tst_QMdiSubWindow::replaceMenuBarWhileMaximized()
+{
+
+    QMainWindow mainWindow;
+
+    QMdiArea *mdiArea = new QMdiArea;
+    QMdiSubWindow *subWindow = mdiArea->addSubWindow(new QTextEdit);
+    subWindow->showMaximized();
+
+    mainWindow.setCentralWidget(mdiArea);
+    QMenuBar *menuBar = mainWindow.menuBar();
+    mainWindow.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mainWindow);
+#endif
+
+    qApp->processEvents();
+
+    QVERIFY(subWindow->maximizedButtonsWidget());
+    QVERIFY(subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopLeftCorner), subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+
+    // Replace.
+    mainWindow.setMenuBar(new QMenuBar);
+    menuBar = mainWindow.menuBar();
+    qApp->processEvents();
+
+    QVERIFY(subWindow->maximizedButtonsWidget());
+    QVERIFY(subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopLeftCorner), subWindow->maximizedSystemMenuIconWidget());
+    QCOMPARE(menuBar->cornerWidget(Qt::TopRightCorner), subWindow->maximizedButtonsWidget());
+
+    subWindow->showNormal();
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+    QVERIFY(!menuBar->cornerWidget(Qt::TopLeftCorner));
+    QVERIFY(!menuBar->cornerWidget(Qt::TopRightCorner));
+
+    // Delete and replace.
+    subWindow->showMaximized();
+    delete menuBar;
+    mainWindow.setMenuBar(new QMenuBar);
+    qApp->processEvents();
+
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+
+    subWindow->showNormal();
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+
+    // Delete.
+    subWindow->showMaximized();
+    mainWindow.setMenuBar(0);
+    qApp->processEvents();
+    QVERIFY(!mainWindow.menuWidget());
+
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+
+    subWindow->showNormal();
+    QVERIFY(!subWindow->maximizedButtonsWidget());
+    QVERIFY(!subWindow->maximizedSystemMenuIconWidget());
+}
+
+void tst_QMdiSubWindow::closeOnDoubleClick()
+{
+    QMdiArea mdiArea;
+    QPointer<QMdiSubWindow> subWindow = mdiArea.addSubWindow(new QWidget);
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    subWindow->showSystemMenu();
+    QTest::qWait(200);
+
+    QPointer<QMenu> systemMenu = subWindow->systemMenu();
+    QVERIFY(systemMenu);
+    QVERIFY(systemMenu->isVisible());
+
+    sendMouseDoubleClick(systemMenu, QPoint(10, 10));
+    if (qApp->activePopupWidget() == static_cast<QWidget *>(systemMenu))
+        systemMenu->hide();
+    qApp->processEvents();
+    QVERIFY(!subWindow || !subWindow->isVisible());
+    QVERIFY(!systemMenu || !systemMenu->isVisible());
+}
+#endif
+
+void tst_QMdiSubWindow::setFont()
+{
+    QMdiArea mdiArea;
+    QMdiSubWindow *subWindow = mdiArea.addSubWindow(new QPushButton(QLatin1String("test")));
+    subWindow->resize(300, 100);
+    subWindow->setWindowTitle(QLatin1String("Window title"));
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    const QFont originalFont = QApplication::font("QWorkspaceTitleBar");
+    QStyleOptionTitleBar opt;
+    opt.initFrom(subWindow);
+    const int titleBarHeight = subWindow->style()->pixelMetric(QStyle::PM_TitleBarHeight, &opt);
+    const QRect titleBarRect = QRect(0, 0, subWindow->width(), titleBarHeight);
+    const QImage originalTitleBar = QPixmap::grabWidget(subWindow, titleBarRect).toImage();
+
+    QFont newFont(QLatin1String("Helvetica"), 16);
+    newFont.setBold(true);
+    subWindow->setFont(newFont);
+    qApp->processEvents();
+    QCOMPARE(subWindow->font(), newFont);
+    QImage newTitleBar = QPixmap::grabWidget(subWindow, titleBarRect).toImage();
+    QVERIFY(newTitleBar != originalTitleBar);
+
+    subWindow->setFont(originalFont);
+    qApp->processEvents();
+    QCOMPARE(subWindow->font(), originalFont);
+    newTitleBar = QPixmap::grabWidget(subWindow, titleBarRect).toImage();
+    QCOMPARE(newTitleBar, originalTitleBar);
+}
+
+void tst_QMdiSubWindow::task_188849()
+{
+    QMainWindow mainWindow;
+    // Sets a regular QWidget (and NOT a QMenuBar) as the menu bar.
+    mainWindow.setMenuWidget(new QWidget);
+
+    QMdiArea *mdiArea = new QMdiArea;
+    QMdiSubWindow *subWindow = mdiArea->addSubWindow(new QWidget);
+    mainWindow.setCentralWidget(mdiArea);
+    mainWindow.show();
+#if defined(Q_WS_X11)
+    qt_x11_wait_for_window_manager(&mainWindow);
+#endif
+
+    // QMdiSubWindow will now try to show its buttons in the menu bar.
+    // Without checking that the menu bar is actually a QMenuBar
+    // and not a regular QWidget, this will crash.
+    subWindow->showMaximized();
+}
+
+void tst_QMdiSubWindow::mdiArea()
+{
+    QMdiArea mdiArea;
+    QMdiSubWindow *subWindow = mdiArea.addSubWindow(new QWidget);
+    QCOMPARE(subWindow->mdiArea(), &mdiArea);
+
+    subWindow->setParent(0);
+    QVERIFY(!subWindow->mdiArea());
+
+    // Child of the area's corner widget.
+    mdiArea.setCornerWidget(new QWidget);
+    subWindow->setParent(mdiArea.cornerWidget());
+    QVERIFY(!subWindow->mdiArea());
+
+    // Nested mdi area.
+    QMdiArea *nestedArea = new QMdiArea;
+    mdiArea.addSubWindow(nestedArea);
+    nestedArea->addSubWindow(subWindow);
+    QCOMPARE(subWindow->mdiArea(), nestedArea);
+    nestedArea->setViewport(new QWidget);
+    QCOMPARE(subWindow->mdiArea(), nestedArea);
+}
+
+void tst_QMdiSubWindow::task_182852()
+{
+#if !defined(Q_WS_MAC) && !defined(Q_OS_WINCE)
+
+    QMdiArea *workspace = new QMdiArea;
+    QMainWindow mainWindow;
+    mainWindow.setCentralWidget(workspace);
+    mainWindow.show();
+    mainWindow.menuBar()->setVisible(true);
+    qApp->setActiveWindow(&mainWindow);
+    
+    QString originalWindowTitle = QString::fromLatin1("MainWindow - [foo]");
+    mainWindow.setWindowTitle(originalWindowTitle);
+
+    QMdiSubWindow *window = new QMdiSubWindow;
+
+    QMdiArea *nestedWorkspace = new QMdiArea; // :-)
+    window->setWidget(nestedWorkspace);
+    window->widget()->setWindowTitle(QString::fromLatin1("Window"));
+
+    workspace->addSubWindow(window);
+
+    window->showMaximized();
+    qApp->processEvents();
+    QVERIFY(window->isMaximized());
+    
+    QCOMPARE(mainWindow.windowTitle(), QString::fromLatin1("%1 - [%2]")
+            .arg(originalWindowTitle, window->widget()->windowTitle()));
+
+    window->showNormal();
+    QCOMPARE(mainWindow.windowTitle(), originalWindowTitle);
+
+    window->widget()->setWindowTitle(QString::fromLatin1("foo"));
+    window->showMaximized();
+
+    QCOMPARE(mainWindow.windowTitle(), originalWindowTitle);
+
+    window->showNormal();
+    QCOMPARE(mainWindow.windowTitle(), originalWindowTitle);
+
+    window->widget()->setWindowTitle(QString::fromLatin1("bar"));
+    window->showMaximized();
+
+    QCOMPARE(mainWindow.windowTitle(), QString::fromLatin1("%1 - [%2]")
+            .arg(originalWindowTitle, window->widget()->windowTitle()));
+
+
+#endif
+}
+
+void tst_QMdiSubWindow::task_233197()
+{
+    QMainWindow *mainWindow = new QMainWindow;
+    mainWindow->setAttribute(Qt::WA_DeleteOnClose);
+    mainWindow->resize(500, 200);
+    mainWindow->show();
+
+    QMdiArea *mdiArea = new QMdiArea(mainWindow);
+    mdiArea->setOption(QMdiArea::DontMaximizeSubWindowOnActivation, true);
+    mainWindow->setCentralWidget(mdiArea);
+
+    QMdiSubWindow *subWindow1 = new QMdiSubWindow();
+    mdiArea->addSubWindow(subWindow1);
+    subWindow1->showMaximized();
+
+    QMdiSubWindow *subWindow2 = new QMdiSubWindow();
+    mdiArea->addSubWindow(subWindow2);
+    subWindow2->showMaximized();
+
+    QMdiSubWindow *subWindow3 = new QMdiSubWindow();
+    mdiArea->addSubWindow(subWindow3);
+    subWindow3->showMaximized();
+
+    QMenuBar *menuBar = mainWindow->menuBar(); // force creation of a menubar
+    Q_UNUSED(menuBar);
+
+    QPushButton *focus1 = new QPushButton(QLatin1String("Focus 1"), mainWindow);
+    QObject::connect(focus1, SIGNAL(clicked()), subWindow1, SLOT(setFocus()));
+    focus1->move(5, 30);
+    focus1->show();
+
+    QPushButton *focus2 = new QPushButton(QLatin1String("Focus 2"), mainWindow);
+    QObject::connect(focus2, SIGNAL(clicked()), subWindow2, SLOT(setFocus()));
+    focus2->move(5, 60);
+    focus2->show();
+
+    QPushButton *close = new QPushButton(QLatin1String("Close"), mainWindow);
+    QObject::connect(close, SIGNAL(clicked()), mainWindow, SLOT(close()));
+    close->move(5, 90);
+    close->show();
+
+    QTest::qWait(200);
+
+    sendMousePress(focus2, QPoint());
+    sendMouseRelease(focus2, QPoint());
+
+    sendMousePress(focus1, QPoint());
+    sendMouseRelease(focus1, QPoint());
+
+    sendMousePress(focus2, QPoint());
+    sendMouseRelease(focus2, QPoint());
+
+    sendMousePress(close, QPoint());
+    sendMouseRelease(close, QPoint());
+
+    QTest::qWait(200);
+}
+
+void tst_QMdiSubWindow::task_226929()
+{
+    QMdiArea mdiArea;
+    mdiArea.show();
+#ifdef Q_WS_X11
+    qt_x11_wait_for_window_manager(&mdiArea);
+#endif
+
+    QMdiSubWindow *sub1 = mdiArea.addSubWindow(new QTextEdit);
+    sub1->showMinimized();
+
+    QMdiSubWindow *sub2 = mdiArea.addSubWindow(new QTextEdit);
+    sub2->showMaximized();
+
+    QTest::qWait(100);
+
+    // Do not assert.
+    // This window will now be activated and automatically maximized
+    // (if not QMdiArea::DontMaximizeSubWindowOnActionvation is set).
+    sub1->showNormal();
+    QVERIFY(sub1->isMaximized());
+}
+
+QTEST_MAIN(tst_QMdiSubWindow)
+#include "tst_qmdisubwindow.moc"
+