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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $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 <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 +</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>Qt 3.3.8</div> +</table></div></address></body> +</html> |