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This is the verbatim text of the qvariant.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/****************************************************************************
** $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 distributed under the terms of the Q Public License
** as defined by Trolltech ASA 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.
**
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** 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.
**
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** not clear to you.
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**********************************************************************/
#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 <class T> class QValueList;
template <class T> class QValueListConstIterator;
template <class T> class QValueListNode;
template <class Key, class T> class QMap;
template <class Key, class T> 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& );
#ifndef QT_NO_DATASTREAM
QVariant( QDataStream& s );
#endif
QVariant( const QString& );
QVariant( const QCString& );
QVariant( const char* );
#ifndef QT_NO_STRINGLIST
QVariant( const QStringList& );
#endif
QVariant( const QFont& );
QVariant( const QPixmap& );
QVariant( const QImage& );
QVariant( const QBrush& );
QVariant( const QPoint& );
QVariant( const QRect& );
QVariant( const QSize& );
QVariant( const QColor& );
QVariant( const QPalette& );
QVariant( const QColorGroup& );
QVariant( const QIconSet& );
QVariant( const QPointArray& );
QVariant( const QRegion& );
QVariant( const QBitmap& );
QVariant( const QCursor& );
QVariant( const QDate& );
QVariant( const QTime& );
QVariant( const QDateTime& );
QVariant( const QByteArray& );
QVariant( const QBitArray& );
#ifndef QT_NO_ACCEL
QVariant( const QKeySequence& );
#endif
QVariant( const QPen& );
#ifndef QT_NO_TEMPLATE_VARIANT
QVariant( const QValueList<QVariant>& );
QVariant( const QMap<QString,QVariant>& );
#endif
QVariant( int );
QVariant( uint );
QVariant( Q_LLONG );
QVariant( Q_ULLONG );
// ### Problems on some compilers ?
QVariant( bool, int );
QVariant( double );
QVariant( QSizePolicy );
QVariant& operator= ( const QVariant& );
bool operator==( const QVariant& ) const;
bool operator!=( const QVariant& ) 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<QVariant> toList() const;
const QMap<QString,QVariant> toMap() const;
#endif
QSizePolicy toSizePolicy() const;
#ifndef QT_NO_TEMPLATE_VARIANT
QValueListConstIterator<QString> stringListBegin() const;
QValueListConstIterator<QString> stringListEnd() const;
QValueListConstIterator<QVariant> listBegin() const;
QValueListConstIterator<QVariant> listEnd() const;
QMapConstIterator<QString,QVariant> mapBegin() const;
QMapConstIterator<QString,QVariant> mapEnd() const;
QMapConstIterator<QString,QVariant> mapFind( const QString& ) const;
#endif
QString& asString();
QCString& asCString();
#ifndef QT_NO_STRINGLIST
QStringList& asStringList();
#endif
QFont& asFont();
QPixmap& asPixmap();
QImage& asImage();
QBrush& asBrush();
QPoint& asPoint();
QRect& asRect();
QSize& asSize();
QColor& asColor();
QPalette& asPalette();
QColorGroup& asColorGroup();
QIconSet& asIconSet();
QPointArray& asPointArray();
QBitmap& asBitmap();
QRegion& asRegion();
QCursor& asCursor();
QDate& asDate();
QTime& asTime();
QDateTime& asDateTime();
QByteArray& asByteArray();
QBitArray& asBitArray();
#ifndef QT_NO_ACCEL
QKeySequence& asKeySequence();
#endif
QPen& asPen();
int& asInt();
uint& asUInt();
Q_LLONG& asLongLong();
Q_ULLONG& asULongLong();
bool& asBool();
double& asDouble();
#ifndef QT_NO_TEMPLATE_VARIANT
QValueList<QVariant>& asList();
QMap<QString,QVariant>& asMap();
#endif
QSizePolicy& asSizePolicy();
#ifndef QT_NO_DATASTREAM
void load( QDataStream& );
void save( QDataStream& ) 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->typ;
}
inline bool QVariant::isValid() const
{
return (d->typ != Invalid);
}
#ifndef QT_NO_TEMPLATE_VARIANT
inline QValueListConstIterator<QString> QVariant::stringListBegin() const
{
if ( d->typ != StringList )
return QValueListConstIterator<QString>();
return ((const QStringList*)d->value.ptr)->begin();
}
inline QValueListConstIterator<QString> QVariant::stringListEnd() const
{
if ( d->typ != StringList )
return QValueListConstIterator<QString>();
return ((const QStringList*)d->value.ptr)->end();
}
inline QValueListConstIterator<QVariant> QVariant::listBegin() const
{
if ( d->typ != List )
return QValueListConstIterator<QVariant>();
return ((const QValueList<QVariant>*)d->value.ptr)->begin();
}
inline QValueListConstIterator<QVariant> QVariant::listEnd() const
{
if ( d->typ != List )
return QValueListConstIterator<QVariant>();
return ((const QValueList<QVariant>*)d->value.ptr)->end();
}
inline QMapConstIterator<QString,QVariant> QVariant::mapBegin() const
{
if ( d->typ != Map )
return QMapConstIterator<QString,QVariant>();
return ((const QMap<QString,QVariant>*)d->value.ptr)->begin();
}
inline QMapConstIterator<QString,QVariant> QVariant::mapEnd() const
{
if ( d->typ != Map )
return QMapConstIterator<QString,QVariant>();
return ((const QMap<QString,QVariant>*)d->value.ptr)->end();
}
inline QMapConstIterator<QString,QVariant> QVariant::mapFind( const QString& key ) const
{
if ( d->typ != Map )
return QMapConstIterator<QString,QVariant>();
return ((const QMap<QString,QVariant>*)d->value.ptr)->find( key );
}
#endif
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream& operator>> ( QDataStream& s, QVariant& p );
Q_EXPORT QDataStream& operator<< ( QDataStream& s, const QVariant& p );
Q_EXPORT QDataStream& operator>> ( QDataStream& s, QVariant::Type& p );
Q_EXPORT QDataStream& operator<< ( QDataStream& s, const QVariant::Type p );
#endif
#endif //QT_NO_VARIANT
#endif // QVARIANT_H
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