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190 lines
5.6 KiB
190 lines
5.6 KiB
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>ntqguardedptr.h</h1>
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<p>This is the verbatim text of the ntqguardedptr.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/ntqguardedptr.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of TQGuardedPtr class
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**
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** Created : 990929
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt 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.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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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 TQGUARDEDPTR_H
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#define TQGUARDEDPTR_H
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#ifndef QT_H
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#include "ntqobject.h"
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#endif // QT_H
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// ### 4.0: rename to something without Private in it. Not really internal.
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class TQ_EXPORT TQGuardedPtrPrivate : public TQObject, public TQShared
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{
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TQ_OBJECT
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public:
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TQGuardedPtrPrivate( TQObject* );
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~TQGuardedPtrPrivate();
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TQObject* object() const;
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void reconnect( TQObject* );
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private slots:
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void objectDestroyed();
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private:
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TQObject* obj;
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#if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
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TQGuardedPtrPrivate( const TQGuardedPtrPrivate & );
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TQGuardedPtrPrivate &operator=( const TQGuardedPtrPrivate & );
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#endif
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};
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template <class T>
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class TQGuardedPtr
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{
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public:
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TQGuardedPtr() : priv( new TQGuardedPtrPrivate( 0 ) ) {}
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TQGuardedPtr( T* o) {
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priv = new TQGuardedPtrPrivate( (TQObject*)o );
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}
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TQGuardedPtr(const TQGuardedPtr<T> &p) {
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priv = p.priv;
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ref();
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}
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~TQGuardedPtr() { deref(); }
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TQGuardedPtr<T> &operator=(const TQGuardedPtr<T> &p) {
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if ( priv != p.priv ) {
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deref();
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priv = p.priv;
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ref();
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}
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return *this;
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}
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TQGuardedPtr<T> &operator=(T* o) {
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if ( priv && priv->count == 1 ) {
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priv->reconnect( (TQObject*)o );
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} else {
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deref();
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priv = new TQGuardedPtrPrivate( (TQObject*)o );
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}
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return *this;
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}
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bool operator==( const TQGuardedPtr<T> &p ) const {
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return (T*)(*this) == (T*) p;
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}
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bool operator!= ( const TQGuardedPtr<T>& p ) const {
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return !( *this == p );
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}
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bool isNull() const { return !priv || !priv->object(); }
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T* operator->() const { return (T*)(priv?priv->object():0); }
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T& operator*() const { return *((T*)(priv?priv->object():0)); }
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operator T*() const { return (T*)(priv?priv->object():0); }
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private:
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void ref() { if (priv) priv->ref(); }
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void deref() {
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if ( priv && priv->deref() )
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delete priv;
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}
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TQGuardedPtrPrivate* priv;
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};
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inline TQObject* TQGuardedPtrPrivate::object() const
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{
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return obj;
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}
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#define Q_DEFINED_QGUARDEDPTR
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#include "ntqwinexport.h"
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#endif
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</pre>
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<!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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