diff options
Diffstat (limited to 'doc/html/qguardedptr-h.html')
| -rw-r--r-- | doc/html/qguardedptr-h.html | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/doc/html/qguardedptr-h.html b/doc/html/qguardedptr-h.html new file mode 100644 index 000000000..311a16e34 --- /dev/null +++ b/doc/html/qguardedptr-h.html @@ -0,0 +1,189 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qguardedptr.h:1 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>qguardedptr.h Include File</title> +<style type="text/css"><!-- +fn { margin-left: 1cm; text-indent: -1cm; } +a:link { color: #004faf; text-decoration: none } +a:visited { color: #672967; text-decoration: none } +body { background: #ffffff; color: black; } +--></style> +</head> +<body> + +<table border="0" cellpadding="0" cellspacing="0" width="100%"> +<tr bgcolor="#E5E5E5"> +<td valign=center> + <a href="index.html"> +<font color="#004faf">Home</font></a> + | <a href="classes.html"> +<font color="#004faf">All Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</font></a> +</td> +<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qguardedptr.h</h1> + +<p>This is the verbatim text of the qguardedptr.h include file. It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qguardedptr.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of TQGuardedPtr class +** +** Created : 990929 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at [email protected]. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQGUARDEDPTR_H +#define TQGUARDEDPTR_H + +#ifndef QT_H +#include "qobject.h" +#endif // QT_H + +// ### 4.0: rename to something without Private in it. Not really internal. +class Q_EXPORT TQGuardedPtrPrivate : public TQObject, public TQShared +{ + Q_OBJECT +public: + TQGuardedPtrPrivate( TQObject* ); + ~TQGuardedPtrPrivate(); + + TQObject* object() const; + void reconnect( TQObject* ); + +private slots: + void objectDestroyed(); + +private: + TQObject* obj; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQGuardedPtrPrivate( const TQGuardedPtrPrivate & ); + TQGuardedPtrPrivate &operator=( const TQGuardedPtrPrivate & ); +#endif +}; + +template <class T> +class TQGuardedPtr +{ +public: + TQGuardedPtr() : priv( new TQGuardedPtrPrivate( 0 ) ) {} + + TQGuardedPtr( T* o) { + priv = new TQGuardedPtrPrivate( (TQObject*)o ); + } + + TQGuardedPtr(const TQGuardedPtr<T> &p) { + priv = p.priv; + ref(); + } + + ~TQGuardedPtr() { deref(); } + + TQGuardedPtr<T> &operator=(const TQGuardedPtr<T> &p) { + if ( priv != p.priv ) { + deref(); + priv = p.priv; + ref(); + } + return *this; + } + + TQGuardedPtr<T> &operator=(T* o) { + if ( priv && priv->count == 1 ) { + priv->reconnect( (TQObject*)o ); + } else { + deref(); + priv = new TQGuardedPtrPrivate( (TQObject*)o ); + } + return *this; + } + + bool operator==( const TQGuardedPtr<T> &p ) const { + return (T*)(*this) == (T*) p; + } + + bool operator!= ( const TQGuardedPtr<T>& p ) const { + return !( *this == p ); + } + + bool isNull() const { return !priv || !priv->object(); } + + T* operator->() const { return (T*)(priv?priv->object():0); } + + T& operator*() const { return *((T*)(priv?priv->object():0)); } + + operator T*() const { return (T*)(priv?priv->object():0); } + +private: + + void ref() { if (priv) priv->ref(); } + + void deref() { + if ( priv && priv->deref() ) + delete priv; + } + + TQGuardedPtrPrivate* priv; +}; + + + + +inline TQObject* TQGuardedPtrPrivate::object() const +{ + return obj; +} + +#define Q_DEFINED_QGUARDEDPTR +#include "qwinexport.h" +#endif +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |