ApplicationWindow: introduce attached properties

The attached properties provide convenient direct access
to an application window and its building blocks.

Change-Id: I2d96842d80faec47c875156202c1e33a2af96ad3
Reviewed-by: Mitch Curtis <mitch.curtis@theqtcompany.com>

6 files changed, 465 insertions, 1 deletions

diff --git a/src/imports/templates/qtlabstemplatesplugin.cpp b/src/imports/templates/qtlabstemplatesplugin.cpp
index 8352714a..1f8d0949 100644
--- a/src/imports/templates/qtlabstemplatesplugin.cpp
+++ b/src/imports/templates/qtlabstemplatesplugin.cpp
@@ -83,6 +83,7 @@ void QtLabsTemplatesPlugin::registerTypes(const char *uri)
 {
     qmlRegisterType<QQuickAbstractButton>(uri, 1, 0, "AbstractButton");
     qmlRegisterType<QQuickApplicationWindow>(uri, 1, 0, "ApplicationWindow");
+    qmlRegisterType<QQuickApplicationWindowAttached>();
     qmlRegisterType<QQuickBusyIndicator>(uri, 1, 0, "BusyIndicator");
     qmlRegisterType<QQuickButton>(uri, 1, 0, "Button");
     qmlRegisterType<QQuickCheckBox>(uri, 1, 0, "CheckBox");
@@ -117,6 +118,7 @@ void QtLabsTemplatesPlugin::registerTypes(const char *uri)
     qmlRegisterType<QQuickTumblerAttached>();
     qmlRegisterType<QQuickTumbler>(uri, 1, 0, "Tumbler");
 
+    qmlRegisterRevision<QQuickWindow, 2>(uri, 1, 0);
     qmlRegisterRevision<QQuickText, 6>(uri, 1, 0);
     qmlRegisterRevision<QQuickTextInput, 6>(uri, 1, 0);
     qmlRegisterRevision<QQuickTextEdit, 6>(uri, 1, 0);
diff --git a/src/templates/qquickapplicationwindow.cpp b/src/templates/qquickapplicationwindow.cpp
index 38f9c5dd..a6afbe07 100644
--- a/src/templates/qquickapplicationwindow.cpp
+++ b/src/templates/qquickapplicationwindow.cpp
@@ -37,6 +37,7 @@
 #include "qquickapplicationwindow_p.h"
 #include "qquickoverlay_p.h"
 
+#include <QtCore/private/qobject_p.h>
 #include <QtQuick/private/qquickitem_p.h>
 #include <QtQuick/private/qquickitemchangelistener_p.h>
 
@@ -243,6 +244,11 @@ QQuickItem *QQuickApplicationWindow::overlay() const
     return d->overlay;
 }
 
+QQuickApplicationWindowAttached *QQuickApplicationWindow::qmlAttachedProperties(QObject *object)
+{
+    return new QQuickApplicationWindowAttached(object);
+}
+
 bool QQuickApplicationWindow::isComponentComplete() const
 {
     Q_D(const QQuickApplicationWindow);
@@ -263,4 +269,141 @@ void QQuickApplicationWindow::resizeEvent(QResizeEvent *event)
     d->relayout();
 }
 
+class QQuickApplicationWindowAttachedPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickApplicationWindowAttached)
+
+public:
+    QQuickApplicationWindowAttachedPrivate() : window(Q_NULLPTR) { }
+
+    void windowChange(QQuickWindow *wnd);
+
+    QQuickApplicationWindow *window;
+};
+
+void QQuickApplicationWindowAttachedPrivate::windowChange(QQuickWindow *wnd)
+{
+    Q_Q(QQuickApplicationWindowAttached);
+    QQuickApplicationWindow *newWindow = qobject_cast<QQuickApplicationWindow *>(wnd);
+    if (window != newWindow) {
+        QQuickApplicationWindow *oldWindow = window;
+        if (oldWindow) {
+            QObject::disconnect(oldWindow, &QQuickApplicationWindow::activeFocusItemChanged,
+                                q, &QQuickApplicationWindowAttached::activeFocusItemChanged);
+            QObject::disconnect(oldWindow, &QQuickApplicationWindow::headerChanged,
+                                q, &QQuickApplicationWindowAttached::headerChanged);
+            QObject::disconnect(oldWindow, &QQuickApplicationWindow::footerChanged,
+                                q, &QQuickApplicationWindowAttached::footerChanged);
+        }
+        if (newWindow) {
+            QObject::connect(newWindow, &QQuickApplicationWindow::activeFocusItemChanged,
+                             q, &QQuickApplicationWindowAttached::activeFocusItemChanged);
+            QObject::connect(newWindow, &QQuickApplicationWindow::headerChanged,
+                             q, &QQuickApplicationWindowAttached::headerChanged);
+            QObject::connect(newWindow, &QQuickApplicationWindow::footerChanged,
+                             q, &QQuickApplicationWindowAttached::footerChanged);
+        }
+
+        window = newWindow;
+        emit q->windowChanged();
+        emit q->contentItemChanged();
+        emit q->overlayChanged();
+
+        if ((oldWindow && oldWindow->activeFocusItem()) || (newWindow && newWindow->activeFocusItem()))
+            emit q->activeFocusItemChanged();
+        if ((oldWindow && oldWindow->header()) || (newWindow && newWindow->header()))
+            emit q->headerChanged();
+        if ((oldWindow && oldWindow->footer()) || (newWindow && newWindow->footer()))
+            emit q->footerChanged();
+    }
+}
+
+QQuickApplicationWindowAttached::QQuickApplicationWindowAttached(QObject *parent)
+    : QObject(*(new QQuickApplicationWindowAttachedPrivate), parent)
+{
+    Q_D(QQuickApplicationWindowAttached);
+    QQuickItem *item = qobject_cast<QQuickItem *>(parent);
+    if (item) {
+        d->windowChange(item->window());
+        QObjectPrivate::connect(item, &QQuickItem::windowChanged, d, &QQuickApplicationWindowAttachedPrivate::windowChange);
+    }
+}
+
+/*!
+    \qmlattachedproperty ApplicationWindow Qt.labs.controls::ApplicationWindow::window
+
+    This attached property holds the application window. The property can be attached
+    to any item. The value is \c null if the item is not in an ApplicationWindow.
+*/
+QQuickApplicationWindow *QQuickApplicationWindowAttached::window() const
+{
+    Q_D(const QQuickApplicationWindowAttached);
+    return d->window;
+}
+
+/*!
+    \qmlattachedproperty Item Qt.labs.controls::ApplicationWindow::contentItem
+
+    This attached property holds the window content item. The property can be attached
+    to any item. The value is \c null if the item is not in an ApplicationWindow.
+*/
+QQuickItem *QQuickApplicationWindowAttached::contentItem() const
+{
+    Q_D(const QQuickApplicationWindowAttached);
+    return d->window ? d->window->contentItem() : Q_NULLPTR;
+}
+
+/*!
+    \qmlattachedproperty Item Qt.labs.controls::ApplicationWindow::activeFocusItem
+
+    This attached property holds the active focus item. The property can be attached
+    to any item. The value is \c null if the item is not in an ApplicationWindow, or
+    the window has no active focus.
+
+    \sa Window::activeFocusItem
+*/
+QQuickItem *QQuickApplicationWindowAttached::activeFocusItem() const
+{
+    Q_D(const QQuickApplicationWindowAttached);
+    return d->window ? d->window->activeFocusItem() : Q_NULLPTR;
+}
+
+/*!
+    \qmlattachedproperty Item Qt.labs.controls::ApplicationWindow::header
+
+    This attached property holds the window header item. The property can be attached
+    to any item. The value is \c null if the item is not in an ApplicationWindow, or
+    the window has no header item.
+*/
+QQuickItem *QQuickApplicationWindowAttached::header() const
+{
+    Q_D(const QQuickApplicationWindowAttached);
+    return d->window ? d->window->header() : Q_NULLPTR;
+}
+
+/*!
+    \qmlattachedproperty Item Qt.labs.controls::ApplicationWindow::footer
+
+    This attached property holds the window footer item. The property can be attached
+    to any item. The value is \c null if the item is not in an ApplicationWindow, or
+    the window has no footer item.
+*/
+QQuickItem *QQuickApplicationWindowAttached::footer() const
+{
+    Q_D(const QQuickApplicationWindowAttached);
+    return d->window ? d->window->footer() : Q_NULLPTR;
+}
+
+/*!
+    \qmlattachedproperty Item Qt.labs.controls::ApplicationWindow::overlay
+
+    This attached property holds the window overlay item. The property can be attached
+    to any item. The value is \c null if the item is not in an ApplicationWindow.
+*/
+QQuickItem *QQuickApplicationWindowAttached::overlay() const
+{
+    Q_D(const QQuickApplicationWindowAttached);
+    return d->window ? d->window->overlay() : Q_NULLPTR;
+}
+
 QT_END_NAMESPACE
diff --git a/src/templates/qquickapplicationwindow_p.h b/src/templates/qquickapplicationwindow_p.h
index 95ea0806..c5b0dc42 100644
--- a/src/templates/qquickapplicationwindow_p.h
+++ b/src/templates/qquickapplicationwindow_p.h
@@ -54,6 +54,8 @@
 QT_BEGIN_NAMESPACE
 
 class QQuickApplicationWindowPrivate;
+class QQuickApplicationWindowAttached;
+class QQuickApplicationWindowAttachedPrivate;
 
 class Q_LABSTEMPLATES_EXPORT QQuickApplicationWindow : public QQuickWindowQmlImpl
 {
@@ -80,6 +82,8 @@ public:
 
     QQuickItem *overlay() const;
 
+    static QQuickApplicationWindowAttached *qmlAttachedProperties(QObject *object);
+
 Q_SIGNALS:
     void headerChanged();
     void footerChanged();
@@ -95,8 +99,44 @@ private:
     QScopedPointer<QQuickApplicationWindowPrivate> d_ptr;
 };
 
+class Q_LABSTEMPLATES_EXPORT QQuickApplicationWindowAttached : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QQuickApplicationWindow *window READ window NOTIFY windowChanged FINAL)
+    Q_PROPERTY(QQuickItem *contentItem READ contentItem NOTIFY contentItemChanged FINAL)
+    Q_PROPERTY(QQuickItem *activeFocusItem READ activeFocusItem NOTIFY activeFocusItemChanged FINAL)
+    Q_PROPERTY(QQuickItem *header READ header NOTIFY headerChanged FINAL)
+    Q_PROPERTY(QQuickItem *footer READ footer NOTIFY footerChanged FINAL)
+    Q_PROPERTY(QQuickItem *overlay READ overlay NOTIFY overlayChanged FINAL)
+
+public:
+    explicit QQuickApplicationWindowAttached(QObject *parent = Q_NULLPTR);
+
+    QQuickApplicationWindow *window() const;
+    QQuickItem *contentItem() const;
+    QQuickItem *activeFocusItem() const;
+    QQuickItem *header() const;
+    QQuickItem *footer() const;
+    QQuickItem *overlay() const;
+
+Q_SIGNALS:
+    void windowChanged();
+    void contentItemChanged();
+    void activeFocusItemChanged();
+    void headerChanged();
+    void footerChanged();
+    void overlayChanged();
+
+private:
+    Q_DISABLE_COPY(QQuickApplicationWindowAttached)
+    Q_DECLARE_PRIVATE(QQuickApplicationWindowAttached)
+};
+
 Q_DECLARE_TYPEINFO(QQuickApplicationWindow, Q_COMPLEX_TYPE);
+Q_DECLARE_TYPEINFO(QQuickApplicationWindowAttached, Q_COMPLEX_TYPE);
 
 QT_END_NAMESPACE
 
+QML_DECLARE_TYPEINFO(QQuickApplicationWindow, QML_HAS_ATTACHED_PROPERTIES)
+
 #endif // QQUICKAPPLICATIONWINDOW_P_H
diff --git a/tests/auto/applicationwindow/applicationwindow.pro b/tests/auto/applicationwindow/applicationwindow.pro
index 6665a640..5a664b63 100644
--- a/tests/auto/applicationwindow/applicationwindow.pro
+++ b/tests/auto/applicationwindow/applicationwindow.pro
@@ -4,7 +4,7 @@ SOURCES += tst_applicationwindow.cpp
 
 osx:CONFIG -= app_bundle
 
-QT += core-private gui-private qml-private quick-private testlib
+QT += core-private gui-private qml-private quick-private labstemplates-private testlib
 
 include (../shared/util.pri)
 
diff --git a/tests/auto/applicationwindow/data/attachedProperties.qml b/tests/auto/applicationwindow/data/attachedProperties.qml
new file mode 100644
index 00000000..060a3093
--- /dev/null
+++ b/tests/auto/applicationwindow/data/attachedProperties.qml
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.6
+import QtQuick.Window 2.2
+import Qt.labs.controls 1.0
+
+ApplicationWindow {
+    property alias childItem: childItem
+    property alias childObject: childObject
+
+    Item {
+        id: childItem
+
+        property ApplicationWindow attached_window: ApplicationWindow.window
+        property Item attached_contentItem: ApplicationWindow.contentItem
+        property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+        property Item attached_header: ApplicationWindow.header
+        property Item attached_footer: ApplicationWindow.footer
+        property Item attached_overlay: ApplicationWindow.overlay
+    }
+
+    QtObject {
+        id: childObject
+
+        property ApplicationWindow attached_window: ApplicationWindow.window
+        property Item attached_contentItem: ApplicationWindow.contentItem
+        property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+        property Item attached_header: ApplicationWindow.header
+        property Item attached_footer: ApplicationWindow.footer
+        property Item attached_overlay: ApplicationWindow.overlay
+    }
+
+    property alias childWindow: childWindow
+    property alias childWindowItem: childWindowItem
+    property alias childWindowObject: childWindowObject
+
+    Window {
+        id: childWindow
+
+        property ApplicationWindow attached_window: ApplicationWindow.window
+        property Item attached_contentItem: ApplicationWindow.contentItem
+        property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+        property Item attached_header: ApplicationWindow.header
+        property Item attached_footer: ApplicationWindow.footer
+        property Item attached_overlay: ApplicationWindow.overlay
+
+        Item {
+            id: childWindowItem
+
+            property ApplicationWindow attached_window: ApplicationWindow.window
+            property Item attached_contentItem: ApplicationWindow.contentItem
+            property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+            property Item attached_header: ApplicationWindow.header
+            property Item attached_footer: ApplicationWindow.footer
+            property Item attached_overlay: ApplicationWindow.overlay
+        }
+
+        QtObject {
+            id: childWindowObject
+
+            property ApplicationWindow attached_window: ApplicationWindow.window
+            property Item attached_contentItem: ApplicationWindow.contentItem
+            property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+            property Item attached_header: ApplicationWindow.header
+            property Item attached_footer: ApplicationWindow.footer
+            property Item attached_overlay: ApplicationWindow.overlay
+        }
+    }
+
+    property alias childAppWindow: childAppWindow
+    property alias childAppWindowItem: childAppWindowItem
+    property alias childAppWindowObject: childAppWindowObject
+
+    ApplicationWindow {
+        id: childAppWindow
+
+        property ApplicationWindow attached_window: ApplicationWindow.window
+        property Item attached_contentItem: ApplicationWindow.contentItem
+        property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+        property Item attached_header: ApplicationWindow.header
+        property Item attached_footer: ApplicationWindow.footer
+        property Item attached_overlay: ApplicationWindow.overlay
+
+        Item {
+            id: childAppWindowItem
+
+            property ApplicationWindow attached_window: ApplicationWindow.window
+            property Item attached_contentItem: ApplicationWindow.contentItem
+            property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+            property Item attached_header: ApplicationWindow.header
+            property Item attached_footer: ApplicationWindow.footer
+            property Item attached_overlay: ApplicationWindow.overlay
+        }
+
+        QtObject {
+            id: childAppWindowObject
+
+            property ApplicationWindow attached_window: ApplicationWindow.window
+            property Item attached_contentItem: ApplicationWindow.contentItem
+            property Item attached_activeFocusItem: ApplicationWindow.activeFocusItem
+            property Item attached_header: ApplicationWindow.header
+            property Item attached_footer: ApplicationWindow.footer
+            property Item attached_overlay: ApplicationWindow.overlay
+        }
+    }
+}
diff --git a/tests/auto/applicationwindow/tst_applicationwindow.cpp b/tests/auto/applicationwindow/tst_applicationwindow.cpp
index e654437d..0f91d634 100644
--- a/tests/auto/applicationwindow/tst_applicationwindow.cpp
+++ b/tests/auto/applicationwindow/tst_applicationwindow.cpp
@@ -41,6 +41,7 @@
 #include <QtQml/qqmlcontext.h>
 #include <QtQuick/qquickview.h>
 #include <QtQuick/private/qquickitem_p.h>
+#include <QtLabsTemplates/private/qquickapplicationwindow_p.h>
 #include "../shared/util.h"
 #include "../shared/visualtestutil.h"
 
@@ -57,6 +58,7 @@ private slots:
     void activeFocusOnTab2();
     void defaultFocus();
     void implicitFill();
+    void attachedProperties();
 };
 
 void tst_applicationwindow::qmlCreation()
@@ -247,6 +249,139 @@ void tst_applicationwindow::implicitFill()
     QCOMPARE(nextItem->height(), 400.0);
 }
 
+void tst_applicationwindow::attachedProperties()
+{
+    QQmlEngine engine;
+    QQmlComponent component(&engine);
+    component.loadUrl(testFileUrl("attachedProperties.qml"));
+
+    QScopedPointer<QObject> object(component.create());
+    QVERIFY2(!object.isNull(), qPrintable(component.errorString()));
+
+    QQuickApplicationWindow *window = qobject_cast<QQuickApplicationWindow *>(object.data());
+    QVERIFY(window);
+
+    QQuickItem *childItem = object->property("childItem").value<QQuickItem *>();
+    QVERIFY(childItem);
+    QCOMPARE(childItem->property("attached_window").value<QQuickApplicationWindow *>(), window);
+    QCOMPARE(childItem->property("attached_contentItem").value<QQuickItem *>(), window->contentItem());
+    QCOMPARE(childItem->property("attached_activeFocusItem").value<QQuickItem *>(), window->activeFocusItem());
+    QCOMPARE(childItem->property("attached_header").value<QQuickItem *>(), window->header());
+    QCOMPARE(childItem->property("attached_footer").value<QQuickItem *>(), window->footer());
+    QCOMPARE(childItem->property("attached_overlay").value<QQuickItem *>(), window->overlay());
+
+    QObject *childObject = object->property("childObject").value<QObject *>();
+    QVERIFY(childObject);
+    QVERIFY(!childObject->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childObject->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childObject->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childObject->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childObject->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childObject->property("attached_overlay").value<QQuickItem *>());
+
+    QQuickWindow *childWindow = object->property("childWindow").value<QQuickWindow *>();
+    QVERIFY(childWindow);
+    QVERIFY(!childWindow->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childWindow->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childWindow->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childWindow->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childWindow->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childWindow->property("attached_overlay").value<QQuickItem *>());
+
+    QQuickItem *childWindowItem = object->property("childWindowItem").value<QQuickItem *>();
+    QVERIFY(childWindowItem);
+    QVERIFY(!childWindowItem->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childWindowItem->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childWindowItem->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childWindowItem->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childWindowItem->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childWindowItem->property("attached_overlay").value<QQuickItem *>());
+
+    QObject *childWindowObject = object->property("childWindowObject").value<QObject *>();
+    QVERIFY(childWindowObject);
+    QVERIFY(!childWindowObject->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childWindowObject->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childWindowObject->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childWindowObject->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childWindowObject->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childWindowObject->property("attached_overlay").value<QQuickItem *>());
+
+    QQuickApplicationWindow *childAppWindow = object->property("childAppWindow").value<QQuickApplicationWindow *>();
+    QVERIFY(childAppWindow);
+    QVERIFY(!childAppWindow->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childAppWindow->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childAppWindow->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childAppWindow->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childAppWindow->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childAppWindow->property("attached_overlay").value<QQuickItem *>());
+
+    QQuickItem *childAppWindowItem = object->property("childAppWindowItem").value<QQuickItem *>();
+    QVERIFY(childAppWindowItem);
+    QCOMPARE(childAppWindowItem->property("attached_window").value<QQuickApplicationWindow *>(), childAppWindow);
+    QCOMPARE(childAppWindowItem->property("attached_contentItem").value<QQuickItem *>(), childAppWindow->contentItem());
+    QCOMPARE(childAppWindowItem->property("attached_activeFocusItem").value<QQuickItem *>(), childAppWindow->activeFocusItem());
+    QCOMPARE(childAppWindowItem->property("attached_header").value<QQuickItem *>(), childAppWindow->header());
+    QCOMPARE(childAppWindowItem->property("attached_footer").value<QQuickItem *>(), childAppWindow->footer());
+    QCOMPARE(childAppWindowItem->property("attached_overlay").value<QQuickItem *>(), childAppWindow->overlay());
+
+    QObject *childAppWindowObject = object->property("childAppWindowObject").value<QObject *>();
+    QVERIFY(childAppWindowObject);
+    QVERIFY(!childAppWindowObject->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childAppWindowObject->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childAppWindowObject->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childAppWindowObject->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childAppWindowObject->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childAppWindowObject->property("attached_overlay").value<QQuickItem *>());
+
+    window->show();
+    window->requestActivate();
+    QVERIFY(QTest::qWaitForWindowActive(window));
+
+    QVERIFY(!childItem->hasActiveFocus());
+    childItem->forceActiveFocus();
+    QTRY_VERIFY(childItem->hasActiveFocus());
+    QCOMPARE(window->activeFocusItem(), childItem);
+    QCOMPARE(childItem->property("attached_activeFocusItem").value<QQuickItem *>(), childItem);
+
+    QQuickItem *header = new QQuickItem;
+    window->setHeader(header);
+    QCOMPARE(window->header(), header);
+    QCOMPARE(childItem->property("attached_header").value<QQuickItem *>(), header);
+
+    QQuickItem *footer = new QQuickItem;
+    window->setFooter(footer);
+    QCOMPARE(window->footer(), footer);
+    QCOMPARE(childItem->property("attached_footer").value<QQuickItem *>(), footer);
+
+    childAppWindow->show();
+    childAppWindow->requestActivate();
+    QVERIFY(QTest::qWaitForWindowActive(childAppWindow));
+
+    QVERIFY(!childAppWindowItem->hasActiveFocus());
+    childAppWindowItem->forceActiveFocus();
+    QTRY_VERIFY(childAppWindowItem->hasActiveFocus());
+    QCOMPARE(childAppWindow->activeFocusItem(), childAppWindowItem);
+    QCOMPARE(childAppWindowItem->property("attached_activeFocusItem").value<QQuickItem *>(), childAppWindowItem);
+
+    childItem->setParentItem(childAppWindow->contentItem());
+    QCOMPARE(childItem->window(), childAppWindow);
+    QCOMPARE(childItem->property("attached_window").value<QQuickApplicationWindow *>(), childAppWindow);
+    QCOMPARE(childItem->property("attached_contentItem").value<QQuickItem *>(), childAppWindow->contentItem());
+    QCOMPARE(childItem->property("attached_activeFocusItem").value<QQuickItem *>(), childAppWindow->activeFocusItem());
+    QCOMPARE(childItem->property("attached_header").value<QQuickItem *>(), childAppWindow->header());
+    QCOMPARE(childItem->property("attached_footer").value<QQuickItem *>(), childAppWindow->footer());
+    QCOMPARE(childItem->property("attached_overlay").value<QQuickItem *>(), childAppWindow->overlay());
+
+    childItem->setParentItem(Q_NULLPTR);
+    QVERIFY(!childItem->window());
+    QVERIFY(!childItem->property("attached_window").value<QQuickApplicationWindow *>());
+    QVERIFY(!childItem->property("attached_contentItem").value<QQuickItem *>());
+    QVERIFY(!childItem->property("attached_activeFocusItem").value<QQuickItem *>());
+    QVERIFY(!childItem->property("attached_header").value<QQuickItem *>());
+    QVERIFY(!childItem->property("attached_footer").value<QQuickItem *>());
+    QVERIFY(!childItem->property("attached_overlay").value<QQuickItem *>());
+}
+
 QTEST_MAIN(tst_applicationwindow)
 
 #include "tst_applicationwindow.moc"