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287 lines
9.2 KiB
287 lines
9.2 KiB
/****************************************************************************
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**
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** Definition of QMetaObject class
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**
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** Created : 930419
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QMETAOBJECT_H
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#define QMETAOBJECT_H
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#ifndef QT_H
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#include "qconnection.h"
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#include "qstrlist.h"
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#endif // QT_H
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#ifndef Q_MOC_OUTPUT_REVISION
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#define Q_MOC_OUTPUT_REVISION 26
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#endif
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class QObject;
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struct QUMethod;
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class QMetaObjectPrivate;
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struct QMetaData // - member function meta data
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{ // for signal and slots
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const char *name; // - member name
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const QUMethod* method; // - detailed method description
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enum Access { Private, Protected, Public };
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Access access; // - access permission
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};
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#ifndef QT_NO_PROPERTIES
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struct QMetaEnum // enumerator meta data
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{ // for properties
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const char *name; // - enumerator name
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uint count; // - number of values
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struct Item // - a name/value pair
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{
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const char *key;
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int value;
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};
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const Item *items; // - the name/value pairs
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bool set; // whether enum has to be treated as a set
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};
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#endif
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#ifndef QT_NO_PROPERTIES
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class Q_EXPORT QMetaProperty // property meta data
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{
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public:
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const char* type() const { return t; } // type of the property
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const char* name() const { return n; } // name of the property
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bool writable() const;
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bool isValid() const;
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bool isSetType() const;
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bool isEnumType() const;
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QStrList enumKeys() const; // enumeration names
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int keyToValue( const char* key ) const; // enum and set conversion functions
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const char* valueToKey( int value ) const;
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int keysToValue( const QStrList& keys ) const;
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QStrList valueToKeys( int value ) const;
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bool designable( QObject* = 0 ) const;
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bool scriptable( QObject* = 0 ) const;
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bool stored( QObject* = 0 ) const;
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bool reset( QObject* ) const;
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const char* t; // internal
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const char* n; // internal
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enum Flags {
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Invalid = 0x00000000,
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Readable = 0x00000001,
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Writable = 0x00000002,
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EnumOrSet = 0x00000004,
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UnresolvedEnum = 0x00000008,
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StdSet = 0x00000100,
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Override = 0x00000200
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};
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uint flags; // internal
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bool testFlags( uint f ) const; // internal
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bool stdSet() const; // internal
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int id() const; // internal
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QMetaObject** meta; // internal
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const QMetaEnum* enumData; // internal
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int _id; // internal
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void clear(); // internal
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};
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inline bool QMetaProperty::testFlags( uint f ) const
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{ return (flags & (uint)f) != (uint)0; }
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#endif // QT_NO_PROPERTIES
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struct QClassInfo // class info meta data
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{
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const char* name; // - name of the info
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const char* value; // - value of the info
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};
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class Q_EXPORT QMetaObject // meta object class
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{
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public:
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QMetaObject( const char * const class_name, QMetaObject *superclass,
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const QMetaData * const slot_data, int n_slots,
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const QMetaData * const signal_data, int n_signals,
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#ifndef QT_NO_PROPERTIES
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const QMetaProperty *const prop_data, int n_props,
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const QMetaEnum *const enum_data, int n_enums,
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#endif
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const QClassInfo *const class_info, int n_info );
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#ifndef QT_NO_PROPERTIES
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QMetaObject( const char * const class_name, QMetaObject *superclass,
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const QMetaData * const slot_data, int n_slots,
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const QMetaData * const signal_data, int n_signals,
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const QMetaProperty *const prop_data, int n_props,
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const QMetaEnum *const enum_data, int n_enums,
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bool (*qt_static_property)(QObject*, int, int, QVariant*),
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const QClassInfo *const class_info, int n_info );
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#endif
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virtual ~QMetaObject();
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const char *className() const { return classname; }
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const char *superClassName() const { return superclassname; }
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QMetaObject *superClass() const { return superclass; }
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bool inherits( const char* clname ) const;
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int numSlots( bool super = FALSE ) const;
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int numSignals( bool super = FALSE ) const;
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int findSlot( const char *, bool super = FALSE ) const;
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int findSignal( const char *, bool super = FALSE ) const;
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const QMetaData *slot( int index, bool super = FALSE ) const;
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const QMetaData *signal( int index, bool super = FALSE ) const;
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QStrList slotNames( bool super = FALSE ) const;
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QStrList signalNames( bool super = FALSE ) const;
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int slotOffset() const;
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int signalOffset() const;
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int propertyOffset() const;
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int numClassInfo( bool super = FALSE ) const;
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const QClassInfo *classInfo( int index, bool super = FALSE ) const;
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const char *classInfo( const char* name, bool super = FALSE ) const;
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#ifndef QT_NO_PROPERTIES
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const QMetaProperty *property( int index, bool super = FALSE ) const;
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int findProperty( const char *name, bool super = FALSE ) const;
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int indexOfProperty( const QMetaProperty*, bool super = FALSE ) const;
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const QMetaProperty* resolveProperty( const QMetaProperty* ) const;
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int resolveProperty( int ) const;
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QStrList propertyNames( bool super = FALSE ) const;
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int numProperties( bool super = FALSE ) const;
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#endif
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// static wrappers around constructors, necessary to work around a
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// Windows-DLL limitation: objects can only be deleted within a
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// DLL if they were actually created within that DLL.
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static QMetaObject *new_metaobject( const char *, QMetaObject *,
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const QMetaData *const, int,
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const QMetaData *const, int,
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#ifndef QT_NO_PROPERTIES
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const QMetaProperty *const prop_data, int n_props,
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const QMetaEnum *const enum_data, int n_enums,
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#endif
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const QClassInfo *const class_info, int n_info );
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#ifndef QT_NO_PROPERTIES
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static QMetaObject *new_metaobject( const char *, QMetaObject *,
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const QMetaData *const, int,
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const QMetaData *const, int,
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const QMetaProperty *const prop_data, int n_props,
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const QMetaEnum *const enum_data, int n_enums,
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bool (*qt_static_property)(QObject*, int, int, QVariant*),
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const QClassInfo *const class_info, int n_info );
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QStrList enumeratorNames( bool super = FALSE ) const;
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int numEnumerators( bool super = FALSE ) const;
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const QMetaEnum *enumerator( const char* name, bool super = FALSE ) const;
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#endif
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static QMetaObject *metaObject( const char *class_name );
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static bool hasMetaObject( const char *class_name );
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private:
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QMemberDict *init( const QMetaData *, int );
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const char *classname; // class name
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const char *superclassname; // super class name
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QMetaObject *superclass; // super class meta object
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QMetaObjectPrivate *d; // private data for...
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void *reserved; // ...binary compatibility
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const QMetaData *slotData; // slot meta data
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QMemberDict *slotDict; // slot dictionary
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const QMetaData *signalData; // signal meta data
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QMemberDict *signalDict; // signal dictionary
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int signaloffset;
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int slotoffset;
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#ifndef QT_NO_PROPERTIES
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int propertyoffset;
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public:
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bool qt_static_property( QObject* o, int id, int f, QVariant* v);
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private:
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friend class QMetaProperty;
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#endif
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QMetaObject( const QMetaObject & );
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QMetaObject &operator=( const QMetaObject & );
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#endif
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};
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inline int QMetaObject::slotOffset() const
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{ return slotoffset; }
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inline int QMetaObject::signalOffset() const
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{ return signaloffset; }
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#ifndef QT_NO_PROPERTIES
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inline int QMetaObject::propertyOffset() const
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{ return propertyoffset; }
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#endif
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typedef QMetaObject *(*QtStaticMetaObjectFunction)();
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class Q_EXPORT QMetaObjectCleanUp
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{
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public:
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QMetaObjectCleanUp( const char *mo_name, QtStaticMetaObjectFunction );
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QMetaObjectCleanUp();
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~QMetaObjectCleanUp();
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void setMetaObject( QMetaObject *&mo );
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private:
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QMetaObject **metaObject;
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};
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#endif // QMETAOBJECT_H
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