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# qptrlist.h

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

    /****************************************************************************
    ** $Id$
    **
    ** Definition of QPtrList template/macro class
    **
    ** Created :
    **
    ** 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.
    **
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    **   information about Qt Commercial License Agreements.
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    #ifndef QPTRLIST_H
    #define QPTRLIST_H

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

    template<class type>
    class QPtrList
    #ifdef Q_QDOC
    	: public QPtrCollection
    #else
    	: public QGList
    #endif
    {
    public:
        QPtrList()				{}
        QPtrList( const QPtrList<type> &l ) : QGList(l) {}
        ~QPtrList()				{ clear(); }
        QPtrList<type> &operator=(const QPtrList<type> &l)
    			{ return (QPtrList<type>&)QGList::operator=(l); }
        bool operator==( const QPtrList<type> &list ) const
        { return QGList::operator==( list ); }
        uint  count()   const		{ return QGList::count(); }
        bool  isEmpty() const		{ return QGList::count() == 0; }
        bool  insert( uint i, const type *d){ return QGList::insertAt(i,(QPtrCollection::Item)d); }
        void  inSort( const type *d )	{ QGList::inSort((QPtrCollection::Item)d); }
        void  prepend( const type *d )	{ QGList::insertAt(0,(QPtrCollection::Item)d); }
        void  append( const type *d )	{ QGList::append((QPtrCollection::Item)d); }
        bool  remove( uint i )		{ return QGList::removeAt(i); }
        bool  remove()			{ return QGList::remove((QPtrCollection::Item)0); }
        bool  remove( const type *d )	{ return QGList::remove((QPtrCollection::Item)d); }
        bool  removeRef( const type *d )	{ return QGList::removeRef((QPtrCollection::Item)d); }
        void  removeNode( QLNode *n )	{ QGList::removeNode(n); }
        bool  removeFirst()			{ return QGList::removeFirst(); }
        bool  removeLast()			{ return QGList::removeLast(); }
        type *take( uint i )		{ return (type *)QGList::takeAt(i); }
        type *take()			{ return (type *)QGList::take(); }
        type *takeNode( QLNode *n )		{ return (type *)QGList::takeNode(n); }
        void  clear()			{ QGList::clear(); }
        void  sort()			{ QGList::sort(); }
        int	  find( const type *d )		{ return QGList::find((QPtrCollection::Item)d); }
        int	  findNext( const type *d )	{ return QGList::find((QPtrCollection::Item)d,FALSE); }
        int	  findRef( const type *d )	{ return QGList::findRef((QPtrCollection::Item)d); }
        int	  findNextRef( const type *d ){ return QGList::findRef((QPtrCollection::Item)d,FALSE);}
        uint  contains( const type *d ) const { return QGList::contains((QPtrCollection::Item)d); }
        uint  containsRef( const type *d ) const
    					{ return QGList::containsRef((QPtrCollection::Item)d); }
        type *at( uint i )			{ return (type *)QGList::at(i); }
        int	  at() const			{ return QGList::at(); }
        type *current()  const		{ return (type *)QGList::get(); }
        QLNode *currentNode()  const	{ return QGList::currentNode(); }
        type *getFirst() const		{ return (type *)QGList::cfirst(); }
        type *getLast()  const		{ return (type *)QGList::clast(); }
        type *first()			{ return (type *)QGList::first(); }
        type *last()			{ return (type *)QGList::last(); }
        type *next()			{ return (type *)QGList::next(); }
        type *prev()			{ return (type *)QGList::prev(); }
        void  toVector( QGVector *vec )const{ QGList::toVector(vec); }

    #ifdef Q_QDOC
    protected:
        virtual int compareItems( QPtrCollection::Item, QPtrCollection::Item );
        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 QPtrList<void>::deleteItem( QPtrCollection::Item )
    {
    }
    #endif

    template<class type> inline void QPtrList<type>::deleteItem( QPtrCollection::Item d )
    {
        if ( del_item ) delete (type *)d;
    }

    template<class type>
    class QPtrListIterator
    : public QGListIterator
    {
    public:
        QPtrListIterator(const QPtrList<type> &l) :QGListIterator((QGList &)l) {}
       ~QPtrListIterator()	      {}
        uint  count()   const     { return list->count(); }
        bool  isEmpty() const     { return list->count() == 0; }
        bool  atFirst() const     { return QGListIterator::atFirst(); }
        bool  atLast()  const     { return QGListIterator::atLast(); }
        type *toFirst()	      { return (type *)QGListIterator::toFirst(); }
        type *toLast()	      { return (type *)QGListIterator::toLast(); }
        operator type *() const   { return (type *)QGListIterator::get(); }
        type *operator*()         { return (type *)QGListIterator::get(); }

        // No good, since QPtrList<char> (ie. QStrList fails...
        //
        // MSVC++ gives warning
        // Sunpro C++ 4.1 gives error
        //    type *operator->()        { return (type *)QGListIterator::get(); }

        type *current()   const   { return (type *)QGListIterator::get(); }
        type *operator()()	      { return (type *)QGListIterator::operator()();}
        type *operator++()	      { return (type *)QGListIterator::operator++(); }
        type *operator+=(uint j)  { return (type *)QGListIterator::operator+=(j);}
        type *operator--()	      { return (type *)QGListIterator::operator--(); }
        type *operator-=(uint j)  { return (type *)QGListIterator::operator-=(j);}
        QPtrListIterator<type>& operator=(const QPtrListIterator<type>&it)
    			      { QGListIterator::operator=(it); return *this; }
    };

    #ifndef QT_NO_COMPAT
    #define QList QPtrList
    #define QListIterator QPtrListIterator
    #endif

    #endif // QPTRLIST_H