# qsignal.h Include File

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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   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of QSignal class
    **
    ** Created : 941201
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the kernel module of the Qt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free Qt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.QPL
    ** included in the packaging of this file.  Licensees holding valid Qt
    ** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #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