/****************************************************************************** $Id: qt/src/widgets/qwhatsthis.h   2.3.12   edited 2005-10-27 $**** Definition of QWhatsThis class**** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.**** This file is part of the widgets module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** licenses may use this file in accordance with the Qt Commercial License** Agreement provided with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for**   information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QWHATSTHIS_H#define QWHATSTHIS_H#ifndef QT_H#include "qobject.h"#endif // QT_H#ifndef QT_NO_WHATSTHIS#include "qcursor.h"class QToolButton;class QPopupMenu;class QStyleSheet;class Q_EXPORT QWhatsThis: public Qt{public:    QWhatsThis( QWidget *);    virtual ~QWhatsThis();    virtual QString text( const QPoint & );    // the common static functions    static void add( QWidget *, const QString &);    static void remove( QWidget * );    static QString textFor( QWidget *, const QPoint & pos = QPoint() );    static QToolButton * whatsThisButton( QWidget * parent );    static void enterWhatsThisMode();    static bool inWhatsThisMode();    static void leaveWhatsThisMode( const QString& = QString::null, const QPoint& pos = QCursor::pos() );};#endif // QT_NO_WHATSTHIS#endif // QWHATSTHIS_H