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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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Qt Toolkit - qmetaobject.h include file
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<h1 align=center>qmetaobject.h</h1><br clear="all">
This is the verbatim text of the qmetaobject.h include file. It is
provided only for illustration; the copyright
remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/src/kernel/qmetaobject.h 2.3.1 edited 2001-01-26 $
**
** Definition of QMetaObject class
**
** Created : 930419
**
** Copyright (C) 1992-2000 Trolltech AS. 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 AS 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.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** 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.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QMETAOBJECT_H
#define QMETAOBJECT_H
#ifndef QT_H
#include "qconnection.h"
#include "qstrlist.h"
#endif // QT_H
class <a href="qobject.html">QObject</a>;
struct QMetaData // - member function meta data
{ // for signal and slots
const char *name; // - member name
QMember ptr; // - member pointer
enum Access { Private, Protected, Public };
/* ### add this in 3.0
Access access; // - access permission
*/
};
struct QMetaEnum // enumerator meta data
{ // for properties
QMetaEnum() { }
~QMetaEnum() { delete [] items; }
const char *name; // - enumerator name
uint count; // - number of values
struct Item // - a name/value pair
{
const char *key;
int value;
};
Item *items; // - the name/value pairs
bool set; // whether enum has to be treated as a set
};
#ifndef QT_NO_PROPERTIES
class Q_EXPORT <a href="qmetaproperty.html">QMetaProperty</a> // property meta data
{
public:
QMetaProperty();
~QMetaProperty();
const char *type() const { return t; } // type of the property
const char* name() const { return n; } // name of the property
bool writable() const;
bool writeable() const; // ### remove in 3.0
bool isValid() const;
bool isSetType() const;
bool isEnumType() const;
QStrList enumKeys() const; // enumeration names
int keyToValue( const char* key ) const; // enum and set conversion functions
const char* valueToKey( int value ) const;
int keysToValue( const QStrList& keys ) const;
QStrList valueToKeys( int value ) const;
bool stored( QObject* ) const;
bool designable() const;
const char* t;
const char* n;
QMember get; // get-function or 0 ( 0 indicates an error )
QMember set; // set-function or 0
QMember store; // store-function or 0
QMember reset; // reset-function or 0
QMetaEnum *enumData; // a pointer to the enum specification or 0
enum Specification { Unspecified, Class, Reference, Pointer, ConstCharStar };
Specification gspec; // specification of the get-function
Specification sspec; // specification of the set-function
enum Flags {
UnresolvedEnum = 0x00000001,
UnresolvedSet = 0x00000002,
UnresolvedEnumOrSet = 0x00000004,
UnresolvedStored = 0x00000008,
UnresolvedDesignable = 0x00000010,
NotDesignable = 0x00000020,
NotStored = 0x00000040,
StdSet = 0x00000080
};
bool testFlags( uint f ) const;
void setFlags( uint f );
void clearFlags( uint f );
private:
uint flags;
};
#endif // QT_NO_PROPERTIES
struct QClassInfo // class info meta data
{
const char* name; // - name of the info
const char* value; // - value of the info
};
class QMetaObjectPrivate;
class Q_EXPORT <a href="qmetaobject.html">QMetaObject</a> // meta object class
{
public:
QMetaObject( const char *class_name, const char *superclass_name,
QMetaData *slot_data, int n_slots,
QMetaData *signal_data, int n_signals );
QMetaObject( const char *class_name, const char *superclass_name,
QMetaData *slot_data, int n_slots,
QMetaData *signal_data, int n_signals,
#ifndef QT_NO_PROPERTIES
QMetaProperty *prop_data, int n_props,
QMetaEnum *enum_data, int n_enums,
#endif
QClassInfo *class_info, int n_info );
virtual ~QMetaObject();
const char *className() const { return classname; }
const char *superClassName() const { return superclassname; }
QMetaObject *superClass() const { return superclass; }
bool inherits( const char* clname ) const;
int numSlots( bool super = FALSE ) const;
int numSignals( bool super = FALSE ) const;
QMetaData *slot( int index, bool super = FALSE ) const;
QMetaData *signal( int index, bool super = FALSE ) const;
QMetaData *slot( const char *, bool super = FALSE ) const;
QMetaData *signal( const char *, bool super = FALSE ) const;
QStrList slotNames( bool super = FALSE ) const;
QStrList signalNames( bool super = FALSE ) const;
int numClassInfo( bool super = FALSE ) const;
QClassInfo *classInfo( int index, bool super = FALSE ) const;
const char *classInfo( const char* name, bool super = FALSE ) const;
#ifndef QT_NO_PROPERTIES
const QMetaProperty *property( const char* name, bool super = FALSE ) const;
QStrList propertyNames( bool super = FALSE ) const;
void resolveProperty( QMetaProperty* prop );
#endif
// static wrappers around constructors, necessary to work around a
// Windows-DLL limitation: objects can only be deleted within a
// DLL if they were actually created within that DLL.
static QMetaObject *new_metaobject( const char *, const char *,
QMetaData *, int,
QMetaData *, int,
#ifndef QT_NO_PROPERTIES
QMetaProperty *prop_data, int n_props,
QMetaEnum *enum_data, int n_enums,
#endif
QClassInfo * class_info, int n_info );
static QMetaObject *new_metaobject( const char *, const char *,
QMetaData *, int,
QMetaData *, int );
static QMetaData *new_metadata( int );
static QMetaData::Access *new_metaaccess( int ); // ### remove in 3.0
void set_slot_access( QMetaData::Access* ); // ### remove in 3.0
QMetaData::Access slot_access(int index, bool super = FALSE ); // ### remove in 3.0
static QMetaEnum *new_metaenum( int );
static QMetaEnum::Item *new_metaenum_item( int );
#ifndef QT_NO_PROPERTIES
static QMetaProperty *new_metaproperty( int );
#endif
static QClassInfo *new_classinfo( int );
private:
QMemberDict *init( QMetaData *, int );
QMetaData *mdata( int code, const char *, bool ) const;
QMetaData *mdata( int code, int index, bool super ) const;
const char *classname; // class name
const char *superclassname; // super class name
QMetaObject *superclass; // super class meta object
QMetaObjectPrivate *d; // private data for...
void *reserved; // ...binary compatibility
QMetaData *slotData; // slot meta data
QMemberDict *slotDict; // slot dictionary
QMetaData *signalData; // signal meta data
QMemberDict *signalDict; // signal dictionary
QMetaEnum *enumerator( const char* name, bool super = FALSE ) const;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QMetaObject( const QMetaObject & );
QMetaObject &operator=( const QMetaObject & );
#endif
};
#ifndef QT_NO_PROPERTIES
inline bool QMetaProperty::writable() const
{ return set != 0; }
inline bool QMetaProperty::writeable() const
{ return set != 0; }
inline bool QMetaProperty::testFlags( uint f ) const
{ return (flags & (uint)f) != (uint)0; }
inline bool QMetaProperty::isValid() const
{ return get != 0 && !testFlags( UnresolvedEnum | UnresolvedDesignable | UnresolvedStored ) ; }
inline bool QMetaProperty::isSetType() const
{ return ( enumData != 0 && enumData->set ); }
inline bool QMetaProperty::isEnumType() const
{ return ( enumData != 0 ); }
inline bool QMetaProperty::designable() const
{ return ( isValid() && set != 0 && !testFlags( NotDesignable | UnresolvedDesignable ) ); }
inline void QMetaProperty::setFlags( uint f )
{ flags |= (uint)f; }
inline void QMetaProperty::clearFlags( uint f )
{ flags &= ~(uint)f; }
#endif
// ### remove 3.0 (binary compatibility with Qt-2.0.2)
class Q_EXPORT QMetaObjectInit {
public:
QMetaObjectInit(void(*)());
static int init();
};
#endif // QMETAOBJECT_H
</pre>
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<td>Copyright 2000 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.1</div>
</table></div></address></body></html>
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