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# qwhatsthis.h

This is the verbatim text of the qwhatsthis.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id:  qt/qwhatsthis.h   3.0.0   edited Jul 27 15:38 $
    **
    ** 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.
    **
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    **********************************************************************/

    #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 & );
        virtual bool clicked( const QString& href );

        // the common static functions
        static void add( QWidget *, const QString &);
        static void remove( QWidget * );
        static QString textFor( QWidget *, const QPoint & pos = QPoint(), bool includeParents = FALSE );

        static QToolButton * whatsThisButton( QWidget * parent );

        static void enterWhatsThisMode();
        static bool inWhatsThisMode();
        static void leaveWhatsThisMode( const QString& = QString::null, const QPoint& pos = QCursor::pos(), QWidget* w = 0 );

        static void display( const QString& text, const QPoint& pos = QCursor::pos(), QWidget* w = 0 );
    };

    #endif // QT_NO_WHATSTHIS

    #endif // QWHATSTHIS_H