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95 lines
3.3 KiB
95 lines
3.3 KiB
14 years ago
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/****************************************************************************
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**
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** Definition of QPtrQueue template/macro class
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**
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** Created : 920917
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QPTRQUEUE_H
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#define QPTRQUEUE_H
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#ifndef QT_H
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#include "qglist.h"
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#endif // QT_H
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template<class type>
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class QPtrQueue : protected QGList
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{
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public:
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QPtrQueue() {}
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QPtrQueue( const QPtrQueue<type> &q ) : QGList(q) {}
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~QPtrQueue() { clear(); }
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QPtrQueue<type>& operator=(const QPtrQueue<type> &q)
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{ return (QPtrQueue<type>&)QGList::operator=(q); }
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bool autoDelete() const { return QPtrCollection::autoDelete(); }
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void setAutoDelete( bool del ) { QPtrCollection::setAutoDelete(del); }
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uint count() const { return QGList::count(); }
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bool isEmpty() const { return QGList::count() == 0; }
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void enqueue( const type *d ) { QGList::append(Item(d)); }
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type *dequeue() { return (type *)QGList::takeFirst();}
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bool remove() { return QGList::removeFirst(); }
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void clear() { QGList::clear(); }
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type *head() const { return (type *)QGList::cfirst(); }
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operator type *() const { return (type *)QGList::cfirst(); }
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type *current() const { return (type *)QGList::cfirst(); }
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#ifdef Q_QDOC
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protected:
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virtual QDataStream& read( QDataStream&, QPtrCollection::Item& );
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virtual QDataStream& write( QDataStream&, QPtrCollection::Item ) const;
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#endif
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private:
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void deleteItem( Item d );
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};
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#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
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template<> inline void QPtrQueue<void>::deleteItem( QPtrCollection::Item )
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{
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}
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#endif
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template<class type> inline void QPtrQueue<type>::deleteItem( QPtrCollection::Item d )
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{
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if ( del_item ) delete (type *)d;
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}
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#ifndef QT_NO_COMPAT
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#define QQueue QPtrQueue
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#endif
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#endif // QPTRQUEUE_H
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