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- /****************************************************************************
- ** $Id$
- **
- ** 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
-