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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qptrqueue.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of QPtrQueue template/macro class +** +** Created : 920917 +** +** 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. +** +** 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 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 +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |