qptrcollection.h Include File

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# qptrcollection.h

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

    /****************************************************************************
    **
    ** Definition of base class for all pointer based collection classes
    **
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the tools 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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    ** 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 QPTRCOLLECTION_H
    #define QPTRCOLLECTION_H

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

    class QGVector;
    class QGList;
    class QGDict;

    class Q_EXPORT QPtrCollection			// inherited by all collections
    {
    public:
        bool autoDelete()	const	       { return del_item; }
        void setAutoDelete( bool enable )  { del_item = enable; }

        virtual uint  count() const = 0;
        virtual void  clear() = 0;			// delete all objects

        typedef void *Item;				// generic collection item

    protected:
        QPtrCollection() { del_item = FALSE; }		// no deletion of objects
        QPtrCollection(const QPtrCollection &) { del_item = FALSE; }
        virtual ~QPtrCollection() {}

        bool del_item;				// default FALSE

        virtual Item     newItem( Item );		// create object
        virtual void     deleteItem( Item ) = 0;	// delete object
    };

    #ifndef QT_NO_COMPAT
    #define QCollection QPtrCollection
    #endif

    #endif // QPTRCOLLECTION_H