diff -r 000000000000 -r 1918ee327afb src/gui/kernel/qwhatsthis.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qwhatsthis.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWHATSTHIS_H
+#define QWHATSTHIS_H
+
+#include <QtCore/qobject.h>
+#include <QtGui/qcursor.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_WHATSTHIS
+
+class QAction;
+#ifdef QT3_SUPPORT
+class QToolButton;
+#endif
+
+class Q_GUI_EXPORT QWhatsThis
+{
+    QWhatsThis();
+
+public:
+    static void enterWhatsThisMode();
+    static bool inWhatsThisMode();
+    static void leaveWhatsThisMode();
+
+    static void showText(const QPoint &pos, const QString &text, QWidget *w = 0);
+    static void hideText();
+
+    static QAction *createAction(QObject *parent = 0);
+
+#ifdef QT3_SUPPORT
+    static QT3_SUPPORT void add(QWidget *w, const QString &s);
+    static QT3_SUPPORT void remove(QWidget *);
+    static QT3_SUPPORT QToolButton *whatsThisButton(QWidget *parent);
+#endif
+};
+
+#endif // QT_NO_WHATSTHIS
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QWHATSTHIS_H