Long live Qt 4.5!

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diff --git a/src/gui/kernel/qdesktopwidget.h b/src/gui/kernel/qdesktopwidget.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDESKTOPWIDGET_H
+#define QDESKTOPWIDGET_H
+
+#include <QtGui/qwidget.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QApplication;
+class QDesktopWidgetPrivate;
+
+class Q_GUI_EXPORT QDesktopWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    QDesktopWidget();
+    ~QDesktopWidget();
+
+    bool isVirtualDesktop() const;
+
+    int numScreens() const;
+    int primaryScreen() const;
+
+    int screenNumber(const QWidget *widget = 0) const;
+    int screenNumber(const QPoint &) const;
+
+    QWidget *screen(int screen = -1);
+
+    const QRect screenGeometry(int screen = -1) const;
+    const QRect screenGeometry(const QWidget *widget) const
+    { return screenGeometry(screenNumber(widget)); }
+    const QRect screenGeometry(const QPoint &point) const
+    { return screenGeometry(screenNumber(point)); }
+
+    const QRect availableGeometry(int screen = -1) const;
+    const QRect availableGeometry(const QWidget *widget) const
+    { return availableGeometry(screenNumber(widget)); }
+    const QRect availableGeometry(const QPoint &point) const
+    { return availableGeometry(screenNumber(point)); }
+
+Q_SIGNALS:
+    void resized(int);
+    void workAreaResized(int);
+
+protected:
+    void resizeEvent(QResizeEvent *e);
+
+private:
+    Q_DISABLE_COPY(QDesktopWidget)
+    Q_DECLARE_PRIVATE(QDesktopWidget)
+
+    friend class QApplication;
+    friend class QApplicationPrivate;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDESKTOPWIDGET_H