src/qt3support/tools/q3ptrlist.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3PTRLIST_H
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#define Q3PTRLIST_H
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#include <Qt3Support/q3glist.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3SupportLight)
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template<class type>
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class Q3PtrListStdIterator : public Q3GListStdIterator
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{
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public:
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    inline Q3PtrListStdIterator( Q3LNode* n ): Q3GListStdIterator(n) {}
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    type *operator*() { return node ? (type *)node->getData() : 0; }
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    inline Q3PtrListStdIterator<type> operator++()
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    { node = next(); return *this; }
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    inline Q3PtrListStdIterator<type> operator++(int)
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    { Q3LNode* n = node; node = next(); return Q3PtrListStdIterator<type>( n ); }
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    inline bool operator==( const Q3PtrListStdIterator<type>& it ) const { return node == it.node; }
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    inline bool operator!=( const Q3PtrListStdIterator<type>& it ) const { return node != it.node; }
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};
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template<class type>
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class Q3PtrList
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#ifdef qdoc
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	: public Q3PtrCollection
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#else
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	: public Q3GList
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#endif
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{
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public:
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    Q3PtrList()				{}
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    Q3PtrList( const Q3PtrList<type> &l ) : Q3GList(l) {}
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    ~Q3PtrList()				{ clear(); }
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    Q3PtrList<type> &operator=(const Q3PtrList<type> &l)
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			{ return (Q3PtrList<type>&)Q3GList::operator=(l); }
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    bool operator==( const Q3PtrList<type> &list ) const
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    { return Q3GList::operator==( list ); }
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    bool operator!=( const Q3PtrList<type> &list ) const
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    { return !Q3GList::operator==( list ); }
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    uint  count()   const		{ return Q3GList::count(); }
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    bool  isEmpty() const		{ return Q3GList::count() == 0; }
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    bool  insert( uint i, const type *d){ return Q3GList::insertAt(i,(Q3PtrCollection::Item)d); }
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    void  inSort( const type *d )	{ Q3GList::inSort((Q3PtrCollection::Item)d); }
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    void  prepend( const type *d )	{ Q3GList::insertAt(0,(Q3PtrCollection::Item)d); }
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    void  append( const type *d )	{ Q3GList::append((Q3PtrCollection::Item)d); }
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    bool  remove( uint i )		{ return Q3GList::removeAt(i); }
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    bool  remove()			{ return Q3GList::remove((Q3PtrCollection::Item)0); }
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    bool  remove( const type *d )	{ return Q3GList::remove((Q3PtrCollection::Item)d); }
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    bool  removeRef( const type *d )	{ return Q3GList::removeRef((Q3PtrCollection::Item)d); }
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    void  removeNode( Q3LNode *n )	{ Q3GList::removeNode(n); }
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    bool  removeFirst()			{ return Q3GList::removeFirst(); }
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    bool  removeLast()			{ return Q3GList::removeLast(); }
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    type *take( uint i )		{ return (type *)Q3GList::takeAt(i); }
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    type *take()			{ return (type *)Q3GList::take(); }
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    type *takeNode( Q3LNode *n )		{ return (type *)Q3GList::takeNode(n); }
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    void  clear()			{ Q3GList::clear(); }
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    void  sort()			{ Q3GList::sort(); }
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    int	  find( const type *d )		{ return Q3GList::find((Q3PtrCollection::Item)d); }
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    int	  findNext( const type *d )	{ return Q3GList::find((Q3PtrCollection::Item)d,false); }
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    int	  findRef( const type *d )	{ return Q3GList::findRef((Q3PtrCollection::Item)d); }
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    int	  findNextRef( const type *d ){ return Q3GList::findRef((Q3PtrCollection::Item)d,false);}
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    uint  contains( const type *d ) const { return Q3GList::contains((Q3PtrCollection::Item)d); }
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    uint  containsRef( const type *d ) const
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					{ return Q3GList::containsRef((Q3PtrCollection::Item)d); }
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    bool replace( uint i, const type *d ) { return Q3GList::replaceAt( i, (Q3PtrCollection::Item)d ); }
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    type *at( uint i )			{ return (type *)Q3GList::at(i); }
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    int	  at() const			{ return Q3GList::at(); }
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    type *current()  const		{ return (type *)Q3GList::get(); }
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    Q3LNode *currentNode()  const	{ return Q3GList::currentNode(); }
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    type *getFirst() const		{ return (type *)Q3GList::cfirst(); }
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    type *getLast()  const		{ return (type *)Q3GList::clast(); }
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    type *first()			{ return (type *)Q3GList::first(); }
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    type *last()			{ return (type *)Q3GList::last(); }
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    type *next()			{ return (type *)Q3GList::next(); }
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    type *prev()			{ return (type *)Q3GList::prev(); }
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    void  toVector( Q3GVector *vec )const{ Q3GList::toVector(vec); }
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    // standard iterators
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    typedef Q3PtrListStdIterator<type> Iterator;
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    typedef Q3PtrListStdIterator<type> ConstIterator;
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    inline Iterator begin() { return Q3GList::begin(); }
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    inline ConstIterator begin() const { return Q3GList::begin(); }
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    inline ConstIterator constBegin() const { return Q3GList::begin(); }
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    inline Iterator end() { return Q3GList::end(); }
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    inline ConstIterator end() const { return Q3GList::end(); }
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    inline ConstIterator constEnd() const { return Q3GList::end(); }
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    inline Iterator erase( Iterator it ) { return Q3GList::erase( it ); }
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    // stl syntax compatibility
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    typedef Iterator iterator;
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    typedef ConstIterator const_iterator;
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#ifdef qdoc
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protected:
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    virtual int compareItems( Q3PtrCollection::Item, Q3PtrCollection::Item );
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    virtual QDataStream& read( QDataStream&, Q3PtrCollection::Item& );
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    virtual QDataStream& write( QDataStream&, Q3PtrCollection::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 Q3PtrList<void>::deleteItem( Q3PtrCollection::Item )
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{
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}
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#endif
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template<class type> inline void Q3PtrList<type>::deleteItem( Q3PtrCollection::Item d )
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{
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    if ( del_item ) delete (type *)d;
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}
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template<class type>
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class Q3PtrListIterator : public Q3GListIterator
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{
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public:
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    Q3PtrListIterator(const Q3PtrList<type> &l) :Q3GListIterator((Q3GList &)l) {}
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   ~Q3PtrListIterator()	      {}
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    uint  count()   const     { return list->count(); }
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    bool  isEmpty() const     { return list->count() == 0; }
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    bool  atFirst() const     { return Q3GListIterator::atFirst(); }
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    bool  atLast()  const     { return Q3GListIterator::atLast(); }
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    type *toFirst()	      { return (type *)Q3GListIterator::toFirst(); }
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    type *toLast()	      { return (type *)Q3GListIterator::toLast(); }
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    operator type *() const   { return (type *)Q3GListIterator::get(); }
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    type *operator*()         { return (type *)Q3GListIterator::get(); }
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    // No good, since Q3PtrList<char> (ie. QStrList fails...
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    //
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    // MSVC++ gives warning
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    // Sunpro C++ 4.1 gives error
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    //    type *operator->()        { return (type *)Q3GListIterator::get(); }
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    type *current()   const   { return (type *)Q3GListIterator::get(); }
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    type *operator()()	      { return (type *)Q3GListIterator::operator()();}
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    type *operator++()	      { return (type *)Q3GListIterator::operator++(); }
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    type *operator+=(uint j)  { return (type *)Q3GListIterator::operator+=(j);}
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    type *operator--()	      { return (type *)Q3GListIterator::operator--(); }
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    type *operator-=(uint j)  { return (type *)Q3GListIterator::operator-=(j);}
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    Q3PtrListIterator<type>& operator=(const Q3PtrListIterator<type>&it)
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			      { Q3GListIterator::operator=(it); return *this; }
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3PTRLIST_H