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diff --git a/tests/manual/qscreen/main.cpp b/tests/manual/qscreen/main.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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 1.1, 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "propertywatcher.h"
+#include <QApplication>
+#include <QScreen>
+#include <QWindow>
+#include <QDebug>
+#include <QFormLayout>
+#include <QLineEdit>
+
+int i = 0;
+
+void updateSiblings(PropertyWatcher* w)
+{
+    QLineEdit *siblingsField = w->findChild<QLineEdit *>("siblings");
+    QScreen* screen = (QScreen*)w->subject();
+    QStringList siblingsList;
+    foreach (QScreen *sibling, screen->virtualSiblings())
+        siblingsList << sibling->name();
+    siblingsField->setText(siblingsList.join(", "));
+}
+
+void screenAdded(QScreen* screen)
+{
+    screen->setOrientationUpdateMask((Qt::ScreenOrientations)0x0F);
+    qDebug("\nscreenAdded %s siblings %d first %s", qPrintable(screen->name()),
+        screen->virtualSiblings().count(), qPrintable(screen->virtualSiblings().first()->name()));
+    PropertyWatcher *w = new PropertyWatcher(screen, QString::number(i++));
+    QLineEdit *siblingsField = new QLineEdit();
+    siblingsField->setObjectName("siblings");
+    siblingsField->setReadOnly(true);
+    w->layout()->insertRow(0, "virtualSiblings", siblingsField);
+    updateSiblings(w);
+
+    // This doesn't work.  If the multiple screens are part of
+    // a virtual desktop (i.e. they are virtual siblings), then
+    // setScreen has no effect, and we need the code below to
+    // change the window geometry.  If on the other hand the
+    // screens are really separate, so that windows are not
+    // portable between them, XCreateWindow needs to have not just
+    // a different root Window but also a different Display, in order to
+    // put the window on the other screen.  That would require a
+    // different QXcbConnection.  So this setScreen call doesn't seem useful.
+    //w->windowHandle()->setScreen(screen);
+
+    // But this works as long as the screens are all virtual siblings
+    w->show();
+    QRect geom = w->geometry();
+    geom.moveCenter(screen->geometry().center());
+    w->move(geom.topLeft());
+
+    // workaround for the fact that virtualSiblings is not a property,
+    // thus there is no change notification:
+    // allow the user to update the field manually
+    QObject::connect(w, &PropertyWatcher::updatedAllFields, &updateSiblings);
+}
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    QList<QScreen *> screens = QGuiApplication::screens();
+    foreach (QScreen *screen, screens)
+        screenAdded(screen);
+    QObject::connect((const QGuiApplication*)QGuiApplication::instance(), &QGuiApplication::screenAdded, &screenAdded);
+    return a.exec();
+}