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| 32 | <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>
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| 33 |
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| 34 | <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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| 35 | <hr>
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| 36 | <pre>
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| 37 | /****************************************************************************
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| 38 | ** $Id: qvariant-h.html 2051 2007-02-21 10:04:20Z chehrlic $
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| 39 | **
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| 40 | ** Definition of QVariant class
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| 41 | **
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| 42 | ** Created : 990414
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| 43 | **
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| 44 | ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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| 45 | **
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| 46 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 47 | **
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| 48 | ** This file may be distributed under the terms of the Q Public License
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| 49 | ** as defined by Trolltech ASA of Norway and appearing in the file
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| 50 | ** LICENSE.QPL included in the packaging of this file.
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| 51 | **
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| 52 | ** This file may be distributed and/or modified under the terms of the
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| 53 | ** GNU General Public License version 2 as published by the Free Software
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| 54 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 55 | ** packaging of this file.
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| 56 | **
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| 57 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 58 | ** licenses may use this file in accordance with the Qt Commercial License
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| 59 | ** Agreement provided with the Software.
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| 60 | **
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| 61 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 62 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 63 | **
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| 64 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 65 | ** information about Qt Commercial License Agreements.
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| 66 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 67 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 68 | **
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| 69 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 70 | ** not clear to you.
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| 71 | **
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| 72 | **********************************************************************/
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| 73 |
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| 74 | #ifndef QVARIANT_H
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| 75 | #define QVARIANT_H
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| 76 |
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| 77 | #ifndef QT_H
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| 78 | #include "qstring.h"
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| 79 | #endif // QT_H
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| 80 |
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| 81 | #ifndef QT_NO_VARIANT
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| 82 | class QString;
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| 83 | class QCString;
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| 84 | class QFont;
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| 85 | class QPixmap;
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| 86 | class QBrush;
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| 87 | class QRect;
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| 88 | class QPoint;
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| 89 | class QImage;
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| 90 | class QSize;
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| 91 | class QColor;
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| 92 | class QPalette;
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| 93 | class QColorGroup;
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| 94 | class QIconSet;
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| 95 | class QDataStream;
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| 96 | class QPointArray;
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| 97 | class QRegion;
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| 98 | class QBitmap;
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| 99 | class QCursor;
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| 100 | class QStringList;
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| 101 | class QSizePolicy;
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| 102 | class QDate;
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| 103 | class QTime;
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| 104 | class QDateTime;
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| 105 | class QBitArray;
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| 106 | class QKeySequence;
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| 107 | class QPen;
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| 108 | // Some headers rejected after QVariant declaration for GCC 2.7.* compatibility
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| 109 | class QVariant;
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| 110 | #ifndef QT_NO_TEMPLATE_VARIANT
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| 111 | template <class T> class QValueList;
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| 112 | template <class T> class QValueListConstIterator;
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| 113 | template <class T> class QValueListNode;
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| 114 | template <class Key, class T> class QMap;
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| 115 | template <class Key, class T> class QMapConstIterator;
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| 116 | #endif
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| 117 |
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| 118 | class Q_EXPORT QVariant
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| 119 | {
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| 120 | public:
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| 121 | enum Type {
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| 122 | Invalid,
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| 123 | Map,
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| 124 | List,
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| 125 | String,
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| 126 | StringList,
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| 127 | Font,
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| 128 | Pixmap,
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| 129 | Brush,
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| 130 | Rect,
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| 131 | Size,
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| 132 | Color,
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| 133 | Palette,
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| 134 | ColorGroup,
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| 135 | IconSet,
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| 136 | Point,
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| 137 | Image,
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| 138 | Int,
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| 139 | UInt,
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| 140 | Bool,
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| 141 | Double,
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| 142 | CString,
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| 143 | PointArray,
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| 144 | Region,
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| 145 | Bitmap,
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| 146 | Cursor,
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| 147 | SizePolicy,
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| 148 | Date,
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| 149 | Time,
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| 150 | DateTime,
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| 151 | ByteArray,
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| 152 | BitArray,
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| 153 | KeySequence,
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| 154 | Pen,
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| 155 | LongLong,
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| 156 | ULongLong
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| 157 | };
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| 158 |
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| 159 | QVariant();
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| 160 | ~QVariant();
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| 161 | QVariant( const QVariant& );
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| 162 | #ifndef QT_NO_DATASTREAM
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| 163 | QVariant( QDataStream& s );
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| 164 | #endif
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| 165 | QVariant( const QString& );
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| 166 | QVariant( const QCString& );
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| 167 | QVariant( const char* );
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| 168 | #ifndef QT_NO_STRINGLIST
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| 169 | QVariant( const QStringList& );
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| 170 | #endif
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| 171 | QVariant( const QFont& );
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| 172 | QVariant( const QPixmap& );
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| 173 | QVariant( const QImage& );
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| 174 | QVariant( const QBrush& );
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| 175 | QVariant( const QPoint& );
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| 176 | QVariant( const QRect& );
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| 177 | QVariant( const QSize& );
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| 178 | QVariant( const QColor& );
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| 179 | QVariant( const QPalette& );
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| 180 | QVariant( const QColorGroup& );
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| 181 | QVariant( const QIconSet& );
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| 182 | QVariant( const QPointArray& );
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| 183 | QVariant( const QRegion& );
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| 184 | QVariant( const QBitmap& );
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| 185 | QVariant( const QCursor& );
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| 186 | QVariant( const QDate& );
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| 187 | QVariant( const QTime& );
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| 188 | QVariant( const QDateTime& );
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| 189 | QVariant( const QByteArray& );
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| 190 | QVariant( const QBitArray& );
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| 191 | #ifndef QT_NO_ACCEL
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| 192 | QVariant( const QKeySequence& );
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| 193 | #endif
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| 194 | QVariant( const QPen& );
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| 195 | #ifndef QT_NO_TEMPLATE_VARIANT
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| 196 | QVariant( const QValueList<QVariant>& );
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| 197 | QVariant( const QMap<QString,QVariant>& );
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| 198 | #endif
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| 199 | QVariant( int );
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| 200 | QVariant( uint );
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| 201 | QVariant( Q_LLONG );
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| 202 | QVariant( Q_ULLONG );
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| 203 | // ### Problems on some compilers ?
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| 204 | QVariant( bool, int );
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| 205 | QVariant( double );
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| 206 | QVariant( QSizePolicy );
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| 207 |
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| 208 | QVariant& operator= ( const QVariant& );
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| 209 | bool operator==( const QVariant& ) const;
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| 210 | bool operator!=( const QVariant& ) const;
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| 211 |
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| 212 | Type type() const;
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| 213 | const char* typeName() const;
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| 214 |
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| 215 | bool canCast( Type ) const;
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| 216 | bool cast( Type );
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| 217 |
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| 218 | bool isValid() const;
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| 219 | bool isNull() const;
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| 220 |
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| 221 | void clear();
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| 222 |
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| 223 | const QString toString() const;
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| 224 | const QCString toCString() const;
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| 225 | #ifndef QT_NO_STRINGLIST
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| 226 | const QStringList toStringList() const;
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| 227 | #endif
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| 228 | const QFont toFont() const;
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| 229 | const QPixmap toPixmap() const;
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| 230 | const QImage toImage() const;
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| 231 | const QBrush toBrush() const;
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| 232 | const QPoint toPoint() const;
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| 233 | const QRect toRect() const;
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| 234 | const QSize toSize() const;
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| 235 | const QColor toColor() const;
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| 236 | const QPalette toPalette() const;
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| 237 | const QColorGroup toColorGroup() const;
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| 238 | const QIconSet toIconSet() const;
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| 239 | const QPointArray toPointArray() const;
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| 240 | const QBitmap toBitmap() const;
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| 241 | const QRegion toRegion() const;
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| 242 | const QCursor toCursor() const;
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| 243 | const QDate toDate() const;
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| 244 | const QTime toTime() const;
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| 245 | const QDateTime toDateTime() const;
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| 246 | const QByteArray toByteArray() const;
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| 247 | const QBitArray toBitArray() const;
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| 248 | #ifndef QT_NO_ACCEL
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| 249 | const QKeySequence toKeySequence() const;
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| 250 | #endif
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| 251 | const QPen toPen() const;
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| 252 | int toInt( bool * ok=0 ) const;
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| 253 | uint toUInt( bool * ok=0 ) const;
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| 254 | Q_LLONG toLongLong( bool * ok=0 ) const;
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| 255 | Q_ULLONG toULongLong( bool * ok=0 ) const;
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| 256 | bool toBool() const;
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| 257 | double toDouble( bool * ok=0 ) const;
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| 258 | #ifndef QT_NO_TEMPLATE_VARIANT
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| 259 | const QValueList<QVariant> toList() const;
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| 260 | const QMap<QString,QVariant> toMap() const;
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| 261 | #endif
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| 262 | QSizePolicy toSizePolicy() const;
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| 263 |
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| 264 | #ifndef QT_NO_TEMPLATE_VARIANT
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| 265 | QValueListConstIterator<QString> stringListBegin() const;
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| 266 | QValueListConstIterator<QString> stringListEnd() const;
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| 267 | QValueListConstIterator<QVariant> listBegin() const;
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| 268 | QValueListConstIterator<QVariant> listEnd() const;
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| 269 | QMapConstIterator<QString,QVariant> mapBegin() const;
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| 270 | QMapConstIterator<QString,QVariant> mapEnd() const;
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| 271 | QMapConstIterator<QString,QVariant> mapFind( const QString& ) const;
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| 272 | #endif
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| 273 | QString& asString();
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| 274 | QCString& asCString();
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| 275 | #ifndef QT_NO_STRINGLIST
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| 276 | QStringList& asStringList();
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| 277 | #endif
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| 278 | QFont& asFont();
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| 279 | QPixmap& asPixmap();
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| 280 | QImage& asImage();
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| 281 | QBrush& asBrush();
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| 282 | QPoint& asPoint();
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| 283 | QRect& asRect();
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| 284 | QSize& asSize();
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| 285 | QColor& asColor();
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| 286 | QPalette& asPalette();
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| 287 | QColorGroup& asColorGroup();
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| 288 | QIconSet& asIconSet();
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| 289 | QPointArray& asPointArray();
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| 290 | QBitmap& asBitmap();
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| 291 | QRegion& asRegion();
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| 292 | QCursor& asCursor();
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| 293 | QDate& asDate();
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| 294 | QTime& asTime();
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| 295 | QDateTime& asDateTime();
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| 296 | QByteArray& asByteArray();
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| 297 | QBitArray& asBitArray();
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| 298 | #ifndef QT_NO_ACCEL
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| 299 | QKeySequence& asKeySequence();
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| 300 | #endif
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| 301 | QPen& asPen();
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| 302 | int& asInt();
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| 303 | uint& asUInt();
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| 304 | Q_LLONG& asLongLong();
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| 305 | Q_ULLONG& asULongLong();
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| 306 | bool& asBool();
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| 307 | double& asDouble();
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| 308 | #ifndef QT_NO_TEMPLATE_VARIANT
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| 309 | QValueList<QVariant>& asList();
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| 310 | QMap<QString,QVariant>& asMap();
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| 311 | #endif
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| 312 | QSizePolicy& asSizePolicy();
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| 313 |
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| 314 | #ifndef QT_NO_DATASTREAM
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| 315 | void load( QDataStream& );
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| 316 | void save( QDataStream& ) const;
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| 317 | #endif
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| 318 | static const char* typeToName( Type typ );
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| 319 | static Type nameToType( const char* name );
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| 320 |
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| 321 | private:
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| 322 | void detach();
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| 323 |
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| 324 | class Private : public QShared
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| 325 | {
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| 326 | public:
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| 327 | Private();
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| 328 | Private( Private* );
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| 329 | ~Private();
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| 330 |
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| 331 | void clear();
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| 332 |
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| 333 | Type typ;
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| 334 | union
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| 335 | {
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| 336 | uint u;
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| 337 | int i;
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| 338 | Q_LLONG ll;
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| 339 | Q_ULLONG ull;
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| 340 | bool b;
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| 341 | double d;
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| 342 | void *ptr;
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| 343 | } value;
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| 344 | uint is_null : 1; // ## 4.0 merge with typ
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| 345 | };
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| 346 |
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| 347 | Private* d;
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| 348 |
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| 349 | public:
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| 350 | void* rawAccess( void* ptr = 0, Type typ = Invalid, bool deepCopy = FALSE );
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| 351 | };
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| 352 |
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| 353 | // down here for GCC 2.7.* compatibility
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| 354 | #ifndef QT_H
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| 355 | #include "qvaluelist.h"
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| 356 | #include "qstringlist.h"
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| 357 | #include "qmap.h"
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| 358 | #endif // QT_H
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| 359 |
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| 360 | inline QVariant::Type QVariant::type() const
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| 361 | {
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| 362 | return d->typ;
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| 363 | }
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| 364 |
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| 365 | inline bool QVariant::isValid() const
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| 366 | {
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| 367 | return (d->typ != Invalid);
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| 368 | }
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| 369 |
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| 370 | #ifndef QT_NO_TEMPLATE_VARIANT
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| 371 | inline QValueListConstIterator<QString> QVariant::stringListBegin() const
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| 372 | {
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| 373 | if ( d->typ != StringList )
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| 374 | return QValueListConstIterator<QString>();
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| 375 | return ((const QStringList*)d->value.ptr)->begin();
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| 376 | }
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| 377 |
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| 378 | inline QValueListConstIterator<QString> QVariant::stringListEnd() const
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| 379 | {
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| 380 | if ( d->typ != StringList )
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| 381 | return QValueListConstIterator<QString>();
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| 382 | return ((const QStringList*)d->value.ptr)->end();
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| 383 | }
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| 384 |
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| 385 | inline QValueListConstIterator<QVariant> QVariant::listBegin() const
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| 386 | {
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| 387 | if ( d->typ != List )
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| 388 | return QValueListConstIterator<QVariant>();
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| 389 | return ((const QValueList<QVariant>*)d->value.ptr)->begin();
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| 390 | }
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| 391 |
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| 392 | inline QValueListConstIterator<QVariant> QVariant::listEnd() const
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| 393 | {
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| 394 | if ( d->typ != List )
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| 395 | return QValueListConstIterator<QVariant>();
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| 396 | return ((const QValueList<QVariant>*)d->value.ptr)->end();
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| 397 | }
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| 398 |
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| 399 | inline QMapConstIterator<QString,QVariant> QVariant::mapBegin() const
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| 400 | {
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| 401 | if ( d->typ != Map )
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| 402 | return QMapConstIterator<QString,QVariant>();
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| 403 | return ((const QMap<QString,QVariant>*)d->value.ptr)->begin();
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| 404 | }
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| 405 |
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| 406 | inline QMapConstIterator<QString,QVariant> QVariant::mapEnd() const
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| 407 | {
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| 408 | if ( d->typ != Map )
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| 409 | return QMapConstIterator<QString,QVariant>();
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| 410 | return ((const QMap<QString,QVariant>*)d->value.ptr)->end();
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| 411 | }
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| 412 |
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| 413 | inline QMapConstIterator<QString,QVariant> QVariant::mapFind( const QString& key ) const
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| 414 | {
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| 415 | if ( d->typ != Map )
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| 416 | return QMapConstIterator<QString,QVariant>();
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| 417 | return ((const QMap<QString,QVariant>*)d->value.ptr)->find( key );
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| 418 | }
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| 419 | #endif
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| 420 |
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| 421 | #ifndef QT_NO_DATASTREAM
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| 422 | Q_EXPORT QDataStream& operator>> ( QDataStream& s, QVariant& p );
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| 423 | Q_EXPORT QDataStream& operator<< ( QDataStream& s, const QVariant& p );
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| 424 | Q_EXPORT QDataStream& operator>> ( QDataStream& s, QVariant::Type& p );
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| 425 | Q_EXPORT QDataStream& operator<< ( QDataStream& s, const QVariant::Type p );
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| 426 | #endif
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| 427 |
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| 428 | #endif //QT_NO_VARIANT
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| 429 | #endif // QVARIANT_H
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| 430 | </pre>
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| 431 | <!-- eof -->
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| 432 | <p><address><hr><div align=center>
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| 433 | <table width=100% cellspacing=0 border=0><tr>
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| 434 | <td>Copyright © 2007
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| 435 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 436 | <td align=right><div align=right>Qt 3.3.8</div>
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| 437 | </table></div></address></body>
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| 438 | </html>
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