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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>qvariant.h</h1>
<p>This is the verbatim text of the qvariant.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/****************************************************************************
** $Id: qt/qvariant.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QVariant class
**
** Created : 990414
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt 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 Qt 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.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QVARIANT_H
#define QVARIANT_H
#ifndef QT_H
#include "qstring.h"
#endif // QT_H
#ifndef QT_NO_VARIANT
class QString;
class QCString;
class QFont;
class QPixmap;
class QBrush;
class QRect;
class QPoint;
class QImage;
class QSize;
class QColor;
class QPalette;
class QColorGroup;
class QIconSet;
class QDataStream;
class QPointArray;
class QRegion;
class QBitmap;
class QCursor;
class QStringList;
class QSizePolicy;
class QDate;
class QTime;
class QDateTime;
class QBitArray;
class QKeySequence;
class QPen;
// Some headers rejected after QVariant declaration for GCC 2.7.* compatibility
class QVariant;
#ifndef QT_NO_TEMPLATE_VARIANT
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;
#endif
class Q_EXPORT QVariant
{
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,
Date,
Time,
DateTime,
ByteArray,
BitArray,
KeySequence,
Pen,
LongLong,
ULongLong
};
QVariant();
~QVariant();
QVariant( const QVariant&amp; );
#ifndef QT_NO_DATASTREAM
QVariant( QDataStream&amp; s );
#endif
QVariant( const QString&amp; );
QVariant( const QCString&amp; );
QVariant( const char* );
#ifndef QT_NO_STRINGLIST
QVariant( const QStringList&amp; );
#endif
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 QDate&amp; );
QVariant( const QTime&amp; );
QVariant( const QDateTime&amp; );
QVariant( const QByteArray&amp; );
QVariant( const QBitArray&amp; );
#ifndef QT_NO_ACCEL
QVariant( const QKeySequence&amp; );
#endif
QVariant( const QPen&amp; );
#ifndef QT_NO_TEMPLATE_VARIANT
QVariant( const QValueList&lt;QVariant&gt;&amp; );
QVariant( const QMap&lt;QString,QVariant&gt;&amp; );
#endif
QVariant( int );
QVariant( uint );
QVariant( Q_LLONG );
QVariant( Q_ULLONG );
// ### 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 cast( Type );
bool isValid() const;
bool isNull() const;
void clear();
const QString toString() const;
const QCString toCString() const;
#ifndef QT_NO_STRINGLIST
const QStringList toStringList() const;
#endif
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;
const QDate toDate() const;
const QTime toTime() const;
const QDateTime toDateTime() const;
const QByteArray toByteArray() const;
const QBitArray toBitArray() const;
#ifndef QT_NO_ACCEL
const QKeySequence toKeySequence() const;
#endif
const QPen toPen() const;
int toInt( bool * ok=0 ) const;
uint toUInt( bool * ok=0 ) const;
Q_LLONG toLongLong( bool * ok=0 ) const;
Q_ULLONG toULongLong( bool * ok=0 ) const;
bool toBool() const;
double toDouble( bool * ok=0 ) const;
#ifndef QT_NO_TEMPLATE_VARIANT
const QValueList&lt;QVariant&gt; toList() const;
const QMap&lt;QString,QVariant&gt; toMap() const;
#endif
QSizePolicy toSizePolicy() const;
#ifndef QT_NO_TEMPLATE_VARIANT
QValueListConstIterator&lt;QString&gt; stringListBegin() const;
QValueListConstIterator&lt;QString&gt; stringListEnd() const;
QValueListConstIterator&lt;QVariant&gt; listBegin() const;
QValueListConstIterator&lt;QVariant&gt; listEnd() 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;
#endif
QString&amp; asString();
QCString&amp; asCString();
#ifndef QT_NO_STRINGLIST
QStringList&amp; asStringList();
#endif
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();
QDate&amp; asDate();
QTime&amp; asTime();
QDateTime&amp; asDateTime();
QByteArray&amp; asByteArray();
QBitArray&amp; asBitArray();
#ifndef QT_NO_ACCEL
QKeySequence&amp; asKeySequence();
#endif
QPen&amp; asPen();
int&amp; asInt();
uint&amp; asUInt();
Q_LLONG&amp; asLongLong();
Q_ULLONG&amp; asULongLong();
bool&amp; asBool();
double&amp; asDouble();
#ifndef QT_NO_TEMPLATE_VARIANT
QValueList&lt;QVariant&gt;&amp; asList();
QMap&lt;QString,QVariant&gt;&amp; asMap();
#endif
QSizePolicy&amp; asSizePolicy();
#ifndef QT_NO_DATASTREAM
void load( QDataStream&amp; );
void save( QDataStream&amp; ) const;
#endif
static const char* typeToName( Type typ );
static Type nameToType( const char* name );
private:
void detach();
class Private : public QShared
{
public:
Private();
Private( Private* );
~Private();
void clear();
Type typ;
union
{
uint u;
int i;
Q_LLONG ll;
Q_ULLONG ull;
bool b;
double d;
void *ptr;
} value;
uint is_null : 1; // ## 4.0 merge with typ
};
Private* d;
public:
void* rawAccess( void* ptr = 0, Type typ = Invalid, bool deepCopy = FALSE );
};
// 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);
}
#ifndef QT_NO_TEMPLATE_VARIANT
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 );
}
#endif
#ifndef QT_NO_DATASTREAM
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
#endif //QT_NO_VARIANT
#endif // QVARIANT_H
</pre>
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<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
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