qvariant.3qt

linux下GUI编程工具qt的在线连接帮助手册

'\" t
.TH QVariant 3qt "11 October 2001" "Trolltech AS" \" -*- nroff -*-
.\" Copyright 1992-2001 Trolltech AS.  All rights reserved.  See the
.\" license file included in the distribution for a complete license
.\" statement.
.\"
.ad l
.nh
.SH NAME
QVariant \- Acts like a union for the most common Qt data types
.PP
\fC#include <qvariant.h>\fR
.PP
.SS "Public Members"
.in +1c
.ti -1c
.BI "enum \fBType\fR { 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 }"
.br
.ti -1c
.BI "\fBQVariant\fR ()"
.br
.ti -1c
.BI "\fB~QVariant\fR ()"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QVariant & p )"
.br
.ti -1c
.BI "\fBQVariant\fR ( QDataStream & s )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QString & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QCString & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const char * val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QStringList & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QFont & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QPixmap & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QImage & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QBrush & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QPoint & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QRect & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QSize & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QColor & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QPalette & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QColorGroup & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QIconSet & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QPointArray & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QRegion & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QBitmap & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QCursor & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QDate & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QTime & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QDateTime & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QByteArray & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QBitArray & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QKeySequence & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QValueList<QVariant> & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( const QMap<QString, QVariant> & val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( int val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( uint val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( bool val, int )"
.br
.ti -1c
.BI "\fBQVariant\fR ( double val )"
.br
.ti -1c
.BI "\fBQVariant\fR ( QSizePolicy val )"
.br
.ti -1c
.BI "QVariant & \fBoperator=\fR ( const QVariant & variant )"
.br
.ti -1c
.BI "bool \fBoperator==\fR ( const QVariant & v ) const"
.br
.ti -1c
.BI "bool \fBoperator!=\fR ( const QVariant & v ) const"
.br
.ti -1c
.BI "Type \fBtype\fR () const"
.br
.ti -1c
.BI "const char * \fBtypeName\fR () const"
.br
.ti -1c
.BI "bool \fBcanCast\fR ( Type t ) const"
.br
.ti -1c
.BI "bool \fBcast\fR ( Type t )"
.br
.ti -1c
.BI "bool \fBisValid\fR () const"
.br
.ti -1c
.BI "void \fBclear\fR ()"
.br
.ti -1c
.BI "const QString \fBtoString\fR () const"
.br
.ti -1c
.BI "const QCString \fBtoCString\fR () const"
.br
.ti -1c
.BI "const QStringList \fBtoStringList\fR () const"
.br
.ti -1c
.BI "const QFont \fBtoFont\fR () const"
.br
.ti -1c
.BI "const QPixmap \fBtoPixmap\fR () const"
.br
.ti -1c
.BI "const QImage \fBtoImage\fR () const"
.br
.ti -1c
.BI "const QBrush \fBtoBrush\fR () const"
.br
.ti -1c
.BI "const QPoint \fBtoPoint\fR () const"
.br
.ti -1c
.BI "const QRect \fBtoRect\fR () const"
.br
.ti -1c
.BI "const QSize \fBtoSize\fR () const"
.br
.ti -1c
.BI "const QColor \fBtoColor\fR () const"
.br
.ti -1c
.BI "const QPalette \fBtoPalette\fR () const"
.br
.ti -1c
.BI "const QColorGroup \fBtoColorGroup\fR () const"
.br
.ti -1c
.BI "const QIconSet \fBtoIconSet\fR () const"
.br
.ti -1c
.BI "const QPointArray \fBtoPointArray\fR () const"
.br
.ti -1c
.BI "const QBitmap \fBtoBitmap\fR () const"
.br
.ti -1c
.BI "const QRegion \fBtoRegion\fR () const"
.br
.ti -1c
.BI "const QCursor \fBtoCursor\fR () const"
.br
.ti -1c
.BI "const QDate \fBtoDate\fR () const"
.br
.ti -1c
.BI "const QTime \fBtoTime\fR () const"
.br
.ti -1c
.BI "const QDateTime \fBtoDateTime\fR () const"
.br
.ti -1c
.BI "const QByteArray \fBtoByteArray\fR () const"
.br
.ti -1c
.BI "const QBitArray \fBtoBitArray\fR () const"
.br
.ti -1c
.BI "const QKeySequence \fBtoKeySequence\fR () const"
.br
.ti -1c
.BI "int \fBtoInt\fR ( bool * ok = 0 ) const"
.br
.ti -1c
.BI "uint \fBtoUInt\fR ( bool * ok = 0 ) const"
.br
.ti -1c
.BI "bool \fBtoBool\fR () const"
.br
.ti -1c
.BI "double \fBtoDouble\fR ( bool * ok = 0 ) const"
.br
.ti -1c
.BI "const QValueList<QVariant> \fBtoList\fR () const"
.br
.ti -1c
.BI "const QMap<QString, QVariant> \fBtoMap\fR () const"
.br
.ti -1c
.BI "QSizePolicy \fBtoSizePolicy\fR () const"
.br
.ti -1c
.BI "QValueListConstIterator<QString> \fBstringListBegin\fR () const"
.br
.ti -1c
.BI "QValueListConstIterator<QString> \fBstringListEnd\fR () const"
.br
.ti -1c
.BI "QValueListConstIterator<QVariant> \fBlistBegin\fR () const"
.br
.ti -1c
.BI "QValueListConstIterator<QVariant> \fBlistEnd\fR () const"
.br
.ti -1c
.BI "QMapConstIterator<QString, QVariant> \fBmapBegin\fR () const"
.br
.ti -1c
.BI "QMapConstIterator<QString, QVariant> \fBmapEnd\fR () const"
.br
.ti -1c
.BI "QMapConstIterator<QString, QVariant> \fBmapFind\fR ( const QString & key ) const"
.br
.ti -1c
.BI "QString & \fBasString\fR ()"
.br
.ti -1c
.BI "QCString & \fBasCString\fR ()"
.br
.ti -1c
.BI "QStringList & \fBasStringList\fR ()"
.br
.ti -1c
.BI "QFont & \fBasFont\fR ()"
.br
.ti -1c
.BI "QPixmap & \fBasPixmap\fR ()"
.br
.ti -1c
.BI "QImage & \fBasImage\fR ()"
.br
.ti -1c
.BI "QBrush & \fBasBrush\fR ()"
.br
.ti -1c
.BI "QPoint & \fBasPoint\fR ()"
.br
.ti -1c
.BI "QRect & \fBasRect\fR ()"
.br
.ti -1c
.BI "QSize & \fBasSize\fR ()"
.br
.ti -1c
.BI "QColor & \fBasColor\fR ()"
.br
.ti -1c
.BI "QPalette & \fBasPalette\fR ()"
.br
.ti -1c
.BI "QColorGroup & \fBasColorGroup\fR ()"
.br
.ti -1c
.BI "QIconSet & \fBasIconSet\fR ()"
.br
.ti -1c
.BI "QPointArray & \fBasPointArray\fR ()"
.br
.ti -1c
.BI "QBitmap & \fBasBitmap\fR ()"
.br
.ti -1c
.BI "QRegion & \fBasRegion\fR ()"
.br
.ti -1c
.BI "QCursor & \fBasCursor\fR ()"
.br
.ti -1c
.BI "QDate & \fBasDate\fR ()"
.br