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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.
**
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** Public Licensing requirements will be met:
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**
** 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.
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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