blob: d358891048470d31c6b3ab4f942ff66e6ec57993 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
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 requirements 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 sales@trolltech.com.
**
** 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>
|
