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diff --git a/src/qt3support/widgets/q3whatsthis.h b/src/qt3support/widgets/q3whatsthis.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 Qt3Support 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 Q3WHATSTHIS_H
+#define Q3WHATSTHIS_H
+
+#include <QtGui/qcursor.h>
+#include <QtGui/qwhatsthis.h>
+#include <QtGui/qwidget.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Qt3SupportLight)
+
+#ifndef QT_NO_WHATSTHIS
+
+class QToolButton;
+
+class Q_COMPAT_EXPORT Q3WhatsThis: public QObject
+{
+    Q_OBJECT
+public:
+    Q3WhatsThis(QWidget *);
+    ~Q3WhatsThis();
+    bool eventFilter(QObject *, QEvent *);
+
+    static inline void enterWhatsThisMode() { QWhatsThis::enterWhatsThisMode(); }
+    static inline bool inWhatsThisMode() { return QWhatsThis::inWhatsThisMode(); }
+
+    static inline void add(QWidget *w, const QString &s) { w->setWhatsThis(s); }
+    static inline void remove(QWidget *w) { w->setWhatsThis(QString()); }
+    static QToolButton * whatsThisButton(QWidget * parent);
+    static inline void leaveWhatsThisMode(const QString& text = QString(), const QPoint& pos = QCursor::pos(), QWidget* w = 0)
+        { QWhatsThis::showText(pos, text, w); }
+    static inline void display(const QString& text, const QPoint& pos = QCursor::pos(), QWidget* w = 0)
+        { QWhatsThis::showText(pos, text, w); }
+
+    virtual QString text(const QPoint &);
+    virtual bool clicked(const QString& href);
+
+};
+
+#endif // QT_NO_WHATSTHIS
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q3WHATSTHIS_H