src/qt/include/qobjectdefs.h

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/****************************************************************************
** $Id: qt/qobjectdefs.h   3.3.8   edited Jan 11 14:38 $
**
** Macros and definitions related to QObject
**
** Created : 930419
**
** 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 distributed under the terms of the Q Public License
** as defined by Trolltech ASA 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 QOBJECTDEFS_H
#define QOBJECTDEFS_H

#ifndef QT_H
#include "qglobal.h"
#endif // QT_H


#ifndef QT_NO_TRANSLATION
# ifndef QT_NO_TEXTCODEC
// full set of tr functions
#  define QT_TR_FUNCTIONS \
    static QString tr( const char *, const char * = 0 ); \
    static QString trUtf8( const char *, const char * = 0 );
# else
// no QTextCodec, no utf8
#  define QT_TR_FUNCTIONS \
    static QString tr( const char *, const char * = 0 );
# endif
#else
// inherit the ones from QObject
# define QT_TR_FUNCTIONS
#endif

#ifndef QT_NO_PROPERTIES
# define QT_PROP_FUNCTIONS \
    virtual bool qt_property( int id, int f, QVariant* v); \
    static bool qt_static_property( QObject* , int, int, QVariant* );
#else
# define QT_PROP_FUNCTIONS
#endif

// The following macros are our "extensions" to C++
// They are used, strictly speaking, only by the moc.
struct QUObject;

#ifdef QT_MOC_CPP
#define slots                       slots
#define signals             signals
#define Q_CLASSINFO( name, value ) Q_CLASSINFO( name, value )
#define Q_PROPERTY( text )          Q_PROPERTY( text )
#define Q_OVERRIDE( text )          Q_OVERRIDE( text )
#define Q_ENUMS( x )                Q_ENUMS( x )
#define Q_SETS( x )                 Q_SETS( x )
 /* tmake ignore Q_OBJECT */
#define Q_OBJECT                    Q_OBJECT
 /* tmake ignore Q_OBJECT */
#define Q_OBJECT_FAKE               Q_OBJECT_FAKE

#else
#define slots                                   // slots: in class
#define signals protected                       // signals: in class
#ifndef QT_NO_EMIT
#define emit                                    // emit signal
#endif
#define Q_CLASSINFO( name, value )              // class info
#define Q_PROPERTY( text )                      // property
#define Q_OVERRIDE( text )                      // override property
#define Q_ENUMS( x )
#define Q_SETS( x )

/* tmake ignore Q_OBJECT */
#define Q_OBJECT                                                        \
public:                                                                 \
    virtual QMetaObject *metaObject() const {                           \
         return staticMetaObject();                                     \
    }                                                                   \
    virtual const char *className() const;                              \
    virtual void* qt_cast( const char* );                               \
    virtual bool qt_invoke( int, QUObject* );                           \
    virtual bool qt_emit( int, QUObject* );                             \
    QT_PROP_FUNCTIONS                                                   \
    static QMetaObject* staticMetaObject();                             \
    QObject* qObject() { return (QObject*)this; }                       \
    QT_TR_FUNCTIONS                                                     \
private:                                                                \
    static QMetaObject *metaObj;

/* tmake ignore Q_OBJECT */
#define Q_OBJECT_FAKE Q_OBJECT

#endif

// macro for naming members
#ifdef METHOD
#undef METHOD
#endif
#ifdef SLOT
#undef SLOT
#endif
#ifdef SIGNAL
#undef SIGNAL
#endif

#if defined(_OLD_CPP_)
#define METHOD(a)       "0""a"
#define SLOT(a)         "1""a"
#define SIGNAL(a)       "2""a"
#else
#define METHOD(a)       "0"#a
#define SLOT(a)         "1"#a
#define SIGNAL(a)       "2"#a
#endif

#ifndef QT_CLEAN_NAMESPACE
#define METHOD_CODE     0                       // member type codes
#define SLOT_CODE       1
#define SIGNAL_CODE     2
#endif

#define QMETHOD_CODE    0                       // member type codes
#define QSLOT_CODE      1
#define QSIGNAL_CODE    2

class QObject;
class QMetaObject;
class QSignal;
class QConnection;
class QEvent;
struct QMetaData;
class QConnectionList;
class QConnectionListIt;
class QSignalVec;
class QObjectList;
class QObjectListIt;
class QMemberDict;

Q_EXPORT void *qt_find_obj_child( QObject *, const char *, const char * );
#define Q_CHILD(parent,type,name) \
        ((type*)qt_find_obj_child(parent,#type,name))

Q_EXPORT void *qt_inheritedBy( QMetaObject *super, const QObject *cls );

template <typename T>
Q_INLINE_TEMPLATES T qt_cast(const QObject *object)
{ return (T)qt_inheritedBy( ((T)0)->staticMetaObject(), object ); }
#endif // QOBJECTDEFS_H