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SGI Freeware 2002 November
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SGI Freeware 2002 November - Disc 3.iso
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dist
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fw_qt3.idb
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usr
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freeware
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Qt
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include
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qptrqueue.h.z
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qptrqueue.h
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C/C++ Source or Header
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2002-04-08
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92 lines
/****************************************************************************
** $Id$
**
** Definition of QPtrQueue template/macro class
**
** Created : 920917
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the tools 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.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QPTRQUEUE_H
#define QPTRQUEUE_H
#ifndef QT_H
#include "qglist.h"
#endif // QT_H
template<class type>
class QPtrQueue : protected QGList
{
public:
QPtrQueue() {}
QPtrQueue( const QPtrQueue<type> &q ) : QGList(q) {}
~QPtrQueue() { clear(); }
QPtrQueue<type>& operator=(const QPtrQueue<type> &q)
{ return (QPtrQueue<type>&)QGList::operator=(q); }
bool autoDelete() const { return QPtrCollection::autoDelete(); }
void setAutoDelete( bool del ) { QPtrCollection::setAutoDelete(del); }
uint count() const { return QGList::count(); }
bool isEmpty() const { return QGList::count() == 0; }
void enqueue( const type *d ) { QGList::append(Item(d)); }
type *dequeue() { return (type *)QGList::takeFirst();}
bool remove() { return QGList::removeFirst(); }
void clear() { QGList::clear(); }
type *head() const { return (type *)QGList::cfirst(); }
operator type *() const { return (type *)QGList::cfirst(); }
type *current() const { return (type *)QGList::cfirst(); }
#ifdef Q_QDOC
protected:
virtual QDataStream& read( QDataStream&, QPtrCollection::Item& );
virtual QDataStream& write( QDataStream&, QPtrCollection::Item ) const;
#endif
private:
void deleteItem( Item d );
};
#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void QPtrQueue<void>::deleteItem( QPtrCollection::Item )
{
}
#endif
template<class type> inline void QPtrQueue<type>::deleteItem( QPtrCollection::Item d )
{
if ( del_item ) delete (type *)d;
}
#ifndef QT_NO_COMPAT
#define QQueue QPtrQueue
#endif
#endif // QPTRQUEUE_H