qdeepcopy.h

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

/****************************************************************************
** $Id: $
**
** Definition of QDeepCopy class
**
** Created : 20020613
**
** Copyright (C) 1992-2002 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.
**
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**   information about Qt Commercial License Agreements.
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**********************************************************************/

#ifndef QDEEPCOPY_H
#define QDEEPCOPY_H

#ifndef QT_H
#  include "qglobal.h"
#endif // QT_H

template <class T>
class QDeepCopy
{
public:
    inline QDeepCopy()
    {
    }

    inline QDeepCopy( const T &t )
	: deepcopy( t )
    {
	deepcopy.detach();
    }

    inline QDeepCopy<T> &operator=( const T &t )
    {
	deepcopy = t;
	deepcopy.detach();
	return *this;
    }

    inline operator T ()
    {
	T tmp = deepcopy;
	tmp.detach();
	return tmp;
    }

private:
    T deepcopy;
};

#endif // QDEEPCOPY_H