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# qsignal.h

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

    /****************************************************************************
    ** $Id: qt/qsignal.h   3.3.4   edited May 27 2003 $
    **
    ** Definition of QSignal class
    **
    ** Created : 941201
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the kernel 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 QSIGNAL_H
    #define QSIGNAL_H

    #ifndef QT_H
    #include "qvariant.h"
    #include "qobject.h"
    #endif // QT_H

    class Q_EXPORT QSignal : public QObject
    {
        Q_OBJECT

    public:
        QSignal( QObject *parent=0, const char *name=0 );
        ~QSignal();

        bool	connect( const QObject *receiver, const char *member );
        bool	disconnect( const QObject *receiver, const char *member=0 );

        void	activate();

    #ifndef QT_NO_COMPAT
        bool	isBlocked()	 const		{ return QObject::signalsBlocked(); }
        void	block( bool b )		{ QObject::blockSignals( b ); }
    #ifndef QT_NO_VARIANT
        void	setParameter( int value );
        int		parameter() const;
    #endif
    #endif

    #ifndef QT_NO_VARIANT
        void	setValue( const QVariant &value );
        QVariant	value() const;
    #endif
    signals:
    #ifndef QT_NO_VARIANT
        void signal( const QVariant& );
    #endif
        void intSignal( int );

    private:
    #ifndef QT_NO_VARIANT
        QVariant val;
    #endif
    private:	// Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QSignal( const QSignal & );
        QSignal &operator=( const QSignal & );
    #endif
    };

    #endif // QSIGNAL_H