File: qvariant-h.html

package info (click to toggle)
qt-embedded 2.3.2-3
  • links: PTS
  • area: main
  • in suites: woody
  • size: 68,608 kB
  • ctags: 45,998
  • sloc: cpp: 276,654; ansic: 71,987; makefile: 29,074; sh: 12,305; yacc: 2,465; python: 1,863; perl: 481; lex: 480; xml: 68; lisp: 15
file content (359 lines) | stat: -rw-r--r-- 11,416 bytes parent folder | download
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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>
Qt Toolkit - qvariant.h include file
</title><style type="text/css"><!--
h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }
--></style>
</head><body bgcolor="#ffffff">

<table width="100%">
<tr><td><a href="index.html">
<img width="100" height="100" src="qtlogo.png"
alt="Home" border="0"><img width="100"
height="100" src="face.png" alt="Home" border="0">
</a><td valign=top><div align=right><img src="dochead.png" width="472" height="27"><br>
<a href="classes.html"><b>Classes</b></a>
-<a href="annotated.html">Annotated</a>
- <a href="hierarchy.html">Tree</a>
-<a href="functions.html">Functions</a>
-<a href="index.html">Home</a>
-<a href="topicals.html"><b>Structure</b></a>
</div>
</table>

<h1 align=center>qvariant.h</h1><br clear="all">
This is the verbatim text of the qvariant.h include file.  It is
provided only for illustration; the copyright
remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** &#36;Id&#58; qt/src/kernel/qvariant.h   2.3.2   edited 2001-06-13 $
**
** Definition of QVariant class
**
** Created : 990414
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the kernel 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.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QVARIANT_H
#define QVARIANT_H

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

#ifndef QT_NO_VARIANT

class <a href="qstring.html">QString</a>;
class <a href="qcstring.html">QCString</a>;
class <a href="qfont.html">QFont</a>;
class <a href="qpixmap.html">QPixmap</a>;
class <a href="qbrush.html">QBrush</a>;
class <a href="qrect.html">QRect</a>;
class <a href="qpoint.html">QPoint</a>;
class <a href="qimage.html">QImage</a>;
class <a href="qsize.html">QSize</a>;
class <a href="qcolor.html">QColor</a>;
class <a href="qpalette.html">QPalette</a>;
class <a href="qcolorgroup.html">QColorGroup</a>;
class <a href="qiconset.html">QIconSet</a>;
class <a href="qdatastream.html">QDataStream</a>;
class <a href="qpointarray.html">QPointArray</a>;
class <a href="qregion.html">QRegion</a>;
class <a href="qbitmap.html">QBitmap</a>;
class <a href="qcursor.html">QCursor</a>;
class <a href="qstringlist.html">QStringList</a>;
class <a href="qsizepolicy.html">QSizePolicy</a>;
// Relevant header files rejected after QVariant declaration
// for GCC 2.7.* compatibility
class <a href="qvariant.html">QVariant</a>;
class QVariantPrivate;
template &lt;class T&gt; class QValueList;
template &lt;class T&gt; class QValueListConstIterator;
template &lt;class T&gt; class QValueListNode;
template &lt;class Key, class T&gt; class QMap;
template &lt;class Key, class T&gt; class QMapConstIterator;


class Q_EXPORT <a href="qvariant.html">QVariant</a>
{
public:
    enum Type {
        Invalid,
        Map,
        List,
        String,
        StringList,
        Font,
        Pixmap,
        Brush,
        Rect,
        Size,
        Color,
        Palette,
        ColorGroup,
        IconSet,
        Point,
        Image,
        Int,
        UInt,
        Bool,
        Double,
        CString,
        PointArray,
        Region,
        Bitmap,
        Cursor,
        SizePolicy
    };

    QVariant();
    ~QVariant();
    QVariant( const QVariant&amp; );
    QVariant( QDataStream&amp; s );

    QVariant( const QString&amp; );
    QVariant( const QCString&amp; );
    QVariant( const char* );
    QVariant( const QStringList&amp; );
    QVariant( const QFont&amp; );
    QVariant( const QPixmap&amp; );
    QVariant( const QImage&amp; );
    QVariant( const QBrush&amp; );
    QVariant( const QPoint&amp; );
    QVariant( const QRect&amp; );
    QVariant( const QSize&amp; );
    QVariant( const QColor&amp; );
    QVariant( const QPalette&amp; );
    QVariant( const QColorGroup&amp; );
    QVariant( const QIconSet&amp; );
    QVariant( const QPointArray&amp; );
    QVariant( const QRegion&amp; );
    QVariant( const QBitmap&amp; );
    QVariant( const QCursor&amp; );
    QVariant( const QValueList&lt;QVariant&gt;&amp; );
    QVariant( const QMap&lt;QString,QVariant&gt;&amp; );
    QVariant( int );
    QVariant( uint );
    // ### Problems on some compilers ?
    QVariant( bool, int );
    QVariant( double );
    QVariant( QSizePolicy );

    QVariant&amp; operator= ( const QVariant&amp; );
    bool operator==( const QVariant&amp; ) const;
    bool operator!=( const QVariant&amp; ) const;

    Type type() const;
    const char* typeName() const;

    bool canCast( Type ) const;

    bool isValid() const;

    void clear();

    const QString toString() const;
    const QCString toCString() const;
    const QStringList toStringList() const;
    const QFont toFont() const;
    const QPixmap toPixmap() const;
    const QImage toImage() const;
    const QBrush toBrush() const;
    const QPoint toPoint() const;
    const QRect toRect() const;
    const QSize toSize() const;
    const QColor toColor() const;
    const QPalette toPalette() const;
    const QColorGroup toColorGroup() const;
    const QIconSet toIconSet() const;
    const QPointArray toPointArray() const;
    const QBitmap toBitmap() const;
    const QRegion toRegion() const;
    const QCursor toCursor() const;
    int toInt() const;
    uint toUInt() const;
    bool toBool() const;
    double toDouble() const;
    const QValueList&lt;QVariant&gt; toList() const;
    const QMap&lt;QString,QVariant&gt; toMap() const;
    QSizePolicy toSizePolicy() const;

    QValueListConstIterator&lt;QVariant&gt; listBegin() const;
    QValueListConstIterator&lt;QVariant&gt; listEnd() const;
    QValueListConstIterator&lt;QString&gt; stringListBegin() const;
    QValueListConstIterator&lt;QString&gt; stringListEnd() const;
    QMapConstIterator&lt;QString,QVariant&gt; mapBegin() const;
    QMapConstIterator&lt;QString,QVariant&gt; mapEnd() const;
    QMapConstIterator&lt;QString,QVariant&gt; mapFind( const QString&amp; ) const;

    QString&amp; asString();
    QCString&amp; asCString();
    QStringList&amp; asStringList();
    QFont&amp; asFont();
    QPixmap&amp; asPixmap();
    QImage&amp; asImage();
    QBrush&amp; asBrush();
    QPoint&amp; asPoint();
    QRect&amp; asRect();
    QSize&amp; asSize();
    QColor&amp; asColor();
    QPalette&amp; asPalette();
    QColorGroup&amp; asColorGroup();
    QIconSet&amp; asIconSet();
    QPointArray&amp; asPointArray();
    QBitmap&amp; asBitmap();
    QRegion&amp; asRegion();
    QCursor&amp; asCursor();
    int&amp; asInt();
    uint&amp; asUInt();
    bool&amp; asBool();
    double&amp; asDouble();
    QValueList&lt;QVariant&gt;&amp; asList();
    QMap&lt;QString,QVariant&gt;&amp; asMap();
    QSizePolicy&amp; asSizePolicy();

    void load( QDataStream&amp; );
    void save( QDataStream&amp; ) const;

    static const char* typeToName( Type typ );
    static Type nameToType( const char* name );

private:
    void detach();

    QVariantPrivate* d;
};

class QVariantPrivate : public QShared
{
public:
    QVariantPrivate();
    QVariantPrivate( QVariantPrivate* );
    ~QVariantPrivate();

    void clear();

    QVariant::Type typ;
    union
    {
        uint u;
        int i;
        bool b;
        double d;
        void *ptr;
    } value;
};

// These header files are down here for GCC 2.7.* compatibility
#ifndef QT_H
#include "qvaluelist.h"
#include "qstringlist.h"
#include "qmap.h"
#endif // QT_H

inline QVariant::Type QVariant::type() const
{
    return d-&gt;typ;
}

inline bool QVariant::isValid() const
{
    return (d-&gt;typ != Invalid);
}

inline QValueListConstIterator&lt;QString&gt; QVariant::stringListBegin() const
{
    if ( d-&gt;typ != StringList )
        return QValueListConstIterator&lt;QString&gt;();
    return ((const QStringList*)d-&gt;value.ptr)-&gt;begin();
}

inline QValueListConstIterator&lt;QString&gt; QVariant::stringListEnd() const
{
    if ( d-&gt;typ != StringList )
        return QValueListConstIterator&lt;QString&gt;();
    return ((const QStringList*)d-&gt;value.ptr)-&gt;end();
}

inline QValueListConstIterator&lt;QVariant&gt; QVariant::listBegin() const
{
    if ( d-&gt;typ != List )
        return QValueListConstIterator&lt;QVariant&gt;();
    return ((const QValueList&lt;QVariant&gt;*)d-&gt;value.ptr)-&gt;begin();
}

inline QValueListConstIterator&lt;QVariant&gt; QVariant::listEnd() const
{
    if ( d-&gt;typ != List )
        return QValueListConstIterator&lt;QVariant&gt;();
    return ((const QValueList&lt;QVariant&gt;*)d-&gt;value.ptr)-&gt;end();
}

inline QMapConstIterator&lt;QString,QVariant&gt; QVariant::mapBegin() const
{
    if ( d-&gt;typ != Map )
        return QMapConstIterator&lt;QString,QVariant&gt;();
    return ((const QMap&lt;QString,QVariant&gt;*)d-&gt;value.ptr)-&gt;begin();
}

inline QMapConstIterator&lt;QString,QVariant&gt; QVariant::mapEnd() const
{
    if ( d-&gt;typ != Map )
        return QMapConstIterator&lt;QString,QVariant&gt;();
    return ((const QMap&lt;QString,QVariant&gt;*)d-&gt;value.ptr)-&gt;end();
}

inline QMapConstIterator&lt;QString,QVariant&gt; QVariant::mapFind( const QString&amp; key ) const
{
    if ( d-&gt;typ != Map )
        return QMapConstIterator&lt;QString,QVariant&gt;();
    return ((const QMap&lt;QString,QVariant&gt;*)d-&gt;value.ptr)-&gt;find( key );
}

Q_EXPORT QDataStream&amp; operator&gt;&gt; ( QDataStream&amp; s, QVariant&amp; p );
Q_EXPORT QDataStream&amp; operator&lt;&lt; ( QDataStream&amp; s, const QVariant&amp; p );
Q_EXPORT QDataStream&amp; operator&gt;&gt; ( QDataStream&amp; s, QVariant::Type&amp; p );
Q_EXPORT QDataStream&amp; operator&lt;&lt; ( QDataStream&amp; s, const QVariant::Type p );

#endif // QT_NO_VARIANT

#endif // QVARIANT_H

</pre>
<p><address><hr><div align="center">
<table width="100%" cellspacing="0" border="0"><tr>
<td>Copyright  2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
</table></div></address></body></html>