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# qobject.h

This is the verbatim text of the qobject.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/qobject.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of QObject class
    **
    ** Created : 930418
    **
    ** 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.
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    **********************************************************************/

    #ifndef QOBJECT_H
    #define QOBJECT_H

    #ifndef QT_H
    #include "qobjectdefs.h"
    #include "qwindowdefs.h"
    #include "qstring.h"
    #include "qevent.h"
    #include "qnamespace.h"
    #endif // QT_H

    #define QT_TR_NOOP(x) (x)
    #define QT_TRANSLATE_NOOP(scope,x) (x)

    class QMetaObject;
    class QVariant;
    class QMetaProperty;
    class QPostEventList;
    class QSenderObjectList;
    class QObjectPrivate;
    #ifndef QT_NO_USERDATA
    class QObjectUserData;
    #endif
    struct QUObject;

    class Q_EXPORT QObject: public Qt
    {
        Q_OBJECT
        Q_PROPERTY( QCString name READ name WRITE setName )

    public:
        QObject( QObject *parent=0, const char *name=0 );
        virtual ~QObject();

    #ifdef Q_QDOC
        virtual const char *className() const;
        static QString tr( const char *, const char * );
        static QString trUtf8( const char *, const char * );
        virtual QMetaObject *metaObject() const;
    #endif

        virtual bool event( QEvent * );
        virtual bool eventFilter( QObject *, QEvent * );

        bool	 isA( const char * )	 const;
        bool	 inherits( const char * ) const;

        const char  *name() const;
        const char  *name( const char * defaultName ) const;

        virtual void setName( const char *name );
        bool	 isWidgetType()	  const { return isWidget; }
        bool	 highPriority()	  const { return FALSE; }

        bool	 signalsBlocked()  const { return blockSig; }
        void	 blockSignals( bool b );

        int		 startTimer( int interval );
        void	 killTimer( int id );
        void	 killTimers();

        QObject           *child( const char *objName, const char *inheritsClass = 0, bool recursiveSearch = TRUE ); //### const in 4.0
        const QObjectList *children() const { return childObjects; }

        static const QObjectList *objectTrees();

        QObjectList	      *queryList( const char *inheritsClass = 0,
    				  const char *objName = 0,
    				  bool regexpMatch = TRUE,
    				  bool recursiveSearch = TRUE ) const;

        virtual void insertChild( QObject * );
        virtual void removeChild( QObject * );

        void	 installEventFilter( const QObject * );
        void	 removeEventFilter( const QObject * );

        static bool  connect( const QObject *sender, const char *signal,
    			  const QObject *receiver, const char *member );
        bool	 connect( const QObject *sender, const char *signal,
    			  const char *member ) const;
        static bool  disconnect( const QObject *sender, const char *signal,
    			     const QObject *receiver, const char *member );
        bool	 disconnect( const char *signal=0,
    			     const QObject *receiver=0, const char *member=0 );
        bool	 disconnect( const QObject *receiver, const char *member=0 );
        static void 	 connectInternal( const QObject *sender, int signal_index,
    			  const QObject *receiver, int membcode, int member_index );
        static bool 	 disconnectInternal( const QObject *sender, int signal_index,
    			     const QObject *receiver, int membcode, int member_index );

        void	 dumpObjectTree();
        void	 dumpObjectInfo();

    #ifndef QT_NO_PROPERTIES
        virtual bool setProperty( const char *name, const QVariant& value );
        virtual QVariant property( const char *name ) const;
    #endif // QT_NO_PROPERTIES
    #ifdef QT_NO_TRANSLATION
        static QString tr( const char *sourceText, const char * = 0);
    #ifndef QT_NO_TEXTCODEC
        static QString trUtf8( const char *sourceText, const char * = 0);
    #endif
    #endif //QT_NO_TRANSLATION

    #ifndef QT_NO_USERDATA
        static uint registerUserData();
        void setUserData( uint id, QObjectUserData* data);
        QObjectUserData* userData( uint id ) const;
    #endif // QT_NO_USERDATA

    signals:
        void	 destroyed();
        void	 destroyed( QObject* obj );

    public:
        QObject	*parent() const { return parentObj; }

    public slots:
        void	deleteLater();

    private slots:
        void	 cleanupEventFilter( QObject* );

    protected:
        bool	activate_filters( QEvent * );
        QConnectionList *receivers( const char* signal ) const;
        QConnectionList *receivers( int signal ) const;
        void	activate_signal( int signal );
        void	activate_signal( int signal, int );
        void	activate_signal( int signal, double );
        void	activate_signal( int signal, QString );
        void	activate_signal_bool( int signal, bool );
        void 	activate_signal( QConnectionList *clist, QUObject *o );

        const QObject *sender();

        virtual void timerEvent( QTimerEvent * );
        virtual void childEvent( QChildEvent * );
        virtual void customEvent( QCustomEvent * );

        virtual void connectNotify( const char *signal );
        virtual void disconnectNotify( const char *signal );
        virtual bool checkConnectArgs( const char *signal, const QObject *receiver,
    				   const char *member );
        static QCString normalizeSignalSlot( const char *signalSlot );

    private:
        uint	isSignal   : 1;
        uint	isWidget   : 1;
        uint	pendTimer  : 1;
        uint	blockSig   : 1;
        uint	wasDeleted : 1;
        uint	isTree : 1;

        const char	*objname;
        QObject	*parentObj;
        QObjectList *childObjects;
        QSignalVec *connections;
        QSenderObjectList *senderObjects;
        QObjectList *eventFilters;
        QPostEventList *postedEvents;
        QObjectPrivate* d;

        static QMetaObject* staticQtMetaObject();

        friend class QApplication;
        friend class QBaseApplication;
        friend class QWidget;
        friend class QSignal;

    private:	// Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QObject( const QObject & );
        QObject &operator=( const QObject & );
    #endif
    };

    #ifndef QT_NO_USERDATA
    class Q_EXPORT QObjectUserData {
    public:
        virtual ~QObjectUserData();
    };
    #endif

    inline bool QObject::connect( const QObject *sender, const char *signal,
    			      const char *member ) const
    {
        return connect( sender, signal, this, member );
    }

    inline bool QObject::disconnect( const char *signal,
    				 const QObject *receiver, const char *member )
    {
        return disconnect( this, signal, receiver, member );
    }

    inline bool QObject::disconnect( const QObject *receiver, const char *member )
    {
        return disconnect( this, 0, receiver, member );
    }

    #ifdef QT_NO_TRANSLATION
    inline QString QObject::tr( const char *sourceText, const char * ) {
        return QString::fromLatin1( sourceText );
    }
    #ifndef QT_NO_TEXTCODEC
    inline QString QObject::trUtf8( const char *sourceText, const char * ) {
        return QString::fromUtf8( sourceText );
    }
    #endif
    #endif //QT_NO_TRANSLATION

    #define Q_DEFINED_QOBJECT
    #include "qwinexport.h"
    #endif // QOBJECT_H