/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtCore module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

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**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QOBJECT_H

#define QOBJECT_H

#ifndef QT_NO_QOBJECT

#include <QtCore/qobjectdefs.h>

#include <QtCore/qstring.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qlist.h>

#ifdef QT_INCLUDE_COMPAT

#include <QtCore/qcoreevent.h>

#endif

#include <QtCore/qscopedpointer.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QEvent;

class QTimerEvent;

class QChildEvent;

struct QMetaObject;

class QVariant;

class QObjectPrivate;

class QObject;

class QThread;

class QWidget;

#ifndef QT_NO_REGEXP

class QRegExp;

#endif

#ifndef QT_NO_USERDATA

class QObjectUserData;

#endif

typedef QList<QObject*> QObjectList;

#if defined Q_CC_MSVC && _MSC_VER < 1300

template<typename T> inline T qFindChild(const QObject *o, const QString &name = QString(), T = 0);

template<typename T> inline QList<T> qFindChildren(const QObject *o, const QString &name = QString(), T = 0);

# ifndef QT_NO_REGEXP

template<typename T> inline QList<T> qFindChildren(const QObject *o, const QRegExp &re, T = 0);

# endif

#else

template<typename T> inline T qFindChild(const QObject *, const QString & = QString());

template<typename T> inline QList<T> qFindChildren(const QObject *, const QString & = QString());

# ifndef QT_NO_REGEXP

template<typename T> inline QList<T> qFindChildren(const QObject *, const QRegExp &);

# endif

#endif

class QObjectData {

public:

    virtual ~QObjectData() = 0;

    QObject *q_ptr;

    QObject *parent;

    QObjectList children;

    uint isWidget : 1;

    uint pendTimer : 1;

    uint blockSig : 1;

    uint wasDeleted : 1;

    uint ownObjectName : 1;

    uint sendChildEvents : 1;

    uint receiveChildEvents : 1;

    uint inEventHandler : 1;

    uint inThreadChangeEvent : 1;

    uint hasGuards : 1; //true iff there is one or more QPointer attached to this object

    uint unused : 22;

    int postedEvents;

    QMetaObject *metaObject; // assert dynamic

};

class Q_CORE_EXPORT QObject

{

    Q_OBJECT

    Q_PROPERTY(QString objectName READ objectName WRITE setObjectName)

    Q_DECLARE_PRIVATE(QObject)

public:

    Q_INVOKABLE explicit QObject(QObject *parent=0);

    virtual ~QObject();

    virtual bool event(QEvent *);

    virtual bool eventFilter(QObject *, QEvent *);

#ifdef qdoc

    static QString tr(const char *sourceText, const char *comment = 0, int n = -1);

    static QString trUtf8(const char *sourceText, const char *comment = 0, int n = -1);

    virtual const QMetaObject *metaObject() const;

    static const QMetaObject staticMetaObject;

#endif

#ifdef QT_NO_TRANSLATION

    static QString tr(const char *sourceText, const char *, int)

        { return QString::fromLatin1(sourceText); }

    static QString tr(const char *sourceText, const char * = 0)

        { return QString::fromLatin1(sourceText); }

#ifndef QT_NO_TEXTCODEC

    static QString trUtf8(const char *sourceText, const char *, int)

        { return QString::fromUtf8(sourceText); }

    static QString trUtf8(const char *sourceText, const char * = 0)

        { return QString::fromUtf8(sourceText); }

#endif

#endif //QT_NO_TRANSLATION

    QString objectName() const;

    void setObjectName(const QString &name);

    inline bool isWidgetType() const { return d_ptr->isWidget; }

    inline bool signalsBlocked() const { return d_ptr->blockSig; }

    bool blockSignals(bool b);

    QThread *thread() const;

    void moveToThread(QThread *thread);

    int startTimer(int interval);

    void killTimer(int id);

#ifndef QT_NO_MEMBER_TEMPLATES

    template<typename T>

    inline T findChild(const QString &aName = QString()) const

    { return qFindChild<T>(this, aName); }

    template<typename T>

    inline QList<T> findChildren(const QString &aName = QString()) const

    { return qFindChildren<T>(this, aName); }

#ifndef QT_NO_REGEXP

    template<typename T>

    inline QList<T> findChildren(const QRegExp &re) const

    { return qFindChildren<T>(this, re); }

#endif

#endif

#ifdef QT3_SUPPORT

    QT3_SUPPORT QObject *child(const char *objName, const char *inheritsClass = 0,

                   bool recursiveSearch = true) const;

    QT3_SUPPORT QObjectList queryList(const char *inheritsClass = 0,

                          const char *objName = 0,

                          bool regexpMatch = true,

                          bool recursiveSearch = true) const;

#endif

    inline const QObjectList &children() const { return d_ptr->children; }

    void setParent(QObject *);

    void installEventFilter(QObject *);

    void removeEventFilter(QObject *);

    static bool connect(const QObject *sender, const char *signal,

                        const QObject *receiver, const char *member, Qt::ConnectionType =

#ifdef qdoc

                        Qt::AutoConnection

#else

#ifdef QT3_SUPPORT

                        Qt::AutoCompatConnection

#else

                        Qt::AutoConnection

#endif

#endif

        );

    inline bool connect(const QObject *sender, const char *signal,

                        const char *member, Qt::ConnectionType type =

#ifdef qdoc

                        Qt::AutoConnection

#else

#ifdef QT3_SUPPORT

                        Qt::AutoCompatConnection

#else

                        Qt::AutoConnection

#endif

#endif

        ) const;

    static bool disconnect(const QObject *sender, const char *signal,

                           const QObject *receiver, const char *member);

    inline bool disconnect(const char *signal = 0,

                           const QObject *receiver = 0, const char *member = 0)

        { return disconnect(this, signal, receiver, member); }

    inline bool disconnect(const QObject *receiver, const char *member = 0)

        { return disconnect(this, 0, receiver, member); }

    void dumpObjectTree();

    void dumpObjectInfo();

#ifndef QT_NO_PROPERTIES

    bool setProperty(const char *name, const QVariant &value);

    QVariant property(const char *name) const;

    QList<QByteArray> dynamicPropertyNames() const;

#endif // QT_NO_PROPERTIES

#ifndef QT_NO_USERDATA

    static uint registerUserData();

    void setUserData(uint id, QObjectUserData* data);

    QObjectUserData* userData(uint id) const;

#endif // QT_NO_USERDATA

Q_SIGNALS:

    void destroyed(QObject * = 0);

public:

    inline QObject *parent() const { return d_ptr->parent; }

    inline bool inherits(const char *classname) const

        { return const_cast<QObject *>(this)->qt_metacast(classname) != 0; }

public Q_SLOTS:

    void deleteLater();

protected:

    QObject *sender() const;

    int receivers(const char* signal) const;

    virtual void timerEvent(QTimerEvent *);

    virtual void childEvent(QChildEvent *);

    virtual void customEvent(QEvent *);

    virtual void connectNotify(const char *signal);

    virtual void disconnectNotify(const char *signal);

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT_CONSTRUCTOR QObject(QObject *parent, const char *name);

    inline QT3_SUPPORT void insertChild(QObject *o)

        { if (o) o->setParent(this); }

    inline QT3_SUPPORT void removeChild(QObject *o)

        { if (o) o->setParent(0); }

    inline QT3_SUPPORT bool isA(const char *classname) const

        { return qstrcmp(classname, metaObject()->className()) == 0; }

    inline QT3_SUPPORT const char *className() const { return metaObject()->className(); }

    inline QT3_SUPPORT const char *name() const { return objectName().latin1_helper(); }

    inline QT3_SUPPORT const char *name(const char *defaultName) const

        { QString s = objectName(); return s.isEmpty()?defaultName:s.latin1_helper(); }

    inline QT3_SUPPORT void setName(const char *aName) { setObjectName(QLatin1String(aName)); }

protected:

    inline QT3_SUPPORT bool checkConnectArgs(const char *signal,

                                  const QObject *,

                                  const char *member)

        { return QMetaObject::checkConnectArgs(signal, member); }

    static inline QT3_SUPPORT QByteArray normalizeSignalSlot(const char *signalSlot)

        { return QMetaObject::normalizedSignature(signalSlot); }

#endif

protected:

    QObject(QObjectPrivate &dd, QObject *parent = 0);

protected:

    QScopedPointer<QObjectData> d_ptr;

    static const QMetaObject staticQtMetaObject;

    friend struct QMetaObject;

    friend class QApplication;

    friend class QApplicationPrivate;

    friend class QCoreApplication;

    friend class QCoreApplicationPrivate;

    friend class QWidget;

    friend class QThreadData;

private:

    Q_DISABLE_COPY(QObject)

    Q_PRIVATE_SLOT(d_func(), void _q_reregisterTimers(void *))

};

inline bool QObject::connect(const QObject *asender, const char *asignal,

                             const char *amember, Qt::ConnectionType atype) const

{ return connect(asender, asignal, this, amember, atype); }

#ifndef QT_NO_USERDATA

class Q_CORE_EXPORT QObjectUserData {

public:

    virtual ~QObjectUserData();

};

#endif

Q_CORE_EXPORT void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re,

                                           const QMetaObject &mo, QList<void *> *list);

Q_CORE_EXPORT QObject *qt_qFindChild_helper(const QObject *parent, const QString &name, const QMetaObject &mo);

#if defined Q_CC_MSVC && _MSC_VER < 1300

template<typename T>

inline T qFindChild(const QObject *o, const QString &name, T)

{ return static_cast<T>(qt_qFindChild_helper(o, name, ((T)0)->staticMetaObject)); }

template<typename T>

inline QList<T> qFindChildren(const QObject *o, const QString &name, T)

{

    QList<T> list;

    union {

        QList<T> *typedList;

        QList<void *> *voidList;

    } u;

    u.typedList = &list;

    qt_qFindChildren_helper(o, name, 0, ((T)0)->staticMetaObject, u.voidList);

    return list;

}

template<typename T>

inline T qFindChild(const QObject *o, const QString &name)

{ return qFindChild<T>(o, name, T(0)); }

template<typename T>

inline T qFindChild(const QObject *o)

{ return qFindChild<T>(o, QString(), T(0)); }

template<typename T>

inline QList<T> qFindChildren(const QObject *o, const QString &name)

{ return qFindChildren<T>(o, name, T(0)); }

template<typename T>

inline QList<T> qFindChildren(const QObject *o)

{ return qFindChildren<T>(o, QString(), T(0)); }

#ifndef QT_NO_REGEXP

template<typename T>

inline QList<T> qFindChildren(const QObject *o, const QRegExp &re, T)

{

    QList<T> list;

    union {

        QList<T> *typedList;

        QList<void *> *voidList;

    } u;

    u.typedList = &list;

    qt_qFindChildren_helper(o, 0, &re, ((T)0)->staticMetaObject, u.voidList);

    return list;

}

template<typename T>

inline QList<T> qFindChildren(const QObject *o, const QRegExp &re)

{ return qFindChildren<T>(o, re, T(0)); }

#endif

#ifdef Q_MOC_RUN

# define Q_DECLARE_INTERFACE(IFace, IId) Q_DECLARE_INTERFACE(IFace, IId)

#endif // Q_MOC_RUN

template <class T> inline const char * qobject_interface_iid()

{ return 0; }

template <class T> inline T qobject_cast_helper(QObject *object, T)

{ return static_cast<T>(((T)0)->staticMetaObject.cast(object)); }

template <class T> inline T qobject_cast_helper(const QObject *object, T)

{ return static_cast<T>(const_cast<const QObject *>(((T)0)->staticMetaObject.cast(const_cast<QObject *>(object)))); }

template <class T>

inline T qobject_cast(QObject *object)

{ return qobject_cast_helper<T>(object, T(0)); }

template <class T>

inline T qobject_cast(const QObject *object)

{ return qobject_cast_helper<T>(object, T(0)); }

#ifndef Q_MOC_RUN

#  define Q_DECLARE_INTERFACE(IFace, IId) \

    template <> inline const char *qobject_interface_iid<IFace *>() \

    { return IId; } \

    template <> inline IFace *qobject_cast_helper<IFace *>(QObject *object, IFace *) \

    { return (IFace *)(object ? object->qt_metacast(IId) : 0); } \

    template <> inline IFace *qobject_cast_helper<IFace *>(const QObject *object, IFace *) \

    { return (IFace *)(object ? const_cast<QObject *>(object)->qt_metacast(IId) : 0); }

#endif // Q_MOC_RUN

#else

template<typename T>

inline T qFindChild(const QObject *o, const QString &name)

{ return static_cast<T>(qt_qFindChild_helper(o, name, reinterpret_cast<T>(0)->staticMetaObject)); }

template<typename T>

inline QList<T> qFindChildren(const QObject *o, const QString &name)

{

    QList<T> list;

    union {

        QList<T> *typedList;

        QList<void *> *voidList;

    } u;

    u.typedList = &list;

    qt_qFindChildren_helper(o, name, 0, reinterpret_cast<T>(0)->staticMetaObject, u.voidList);

    return list;

}

#ifndef QT_NO_REGEXP

template<typename T>

inline QList<T> qFindChildren(const QObject *o, const QRegExp &re)

{

    QList<T> list;

    union {

        QList<T> *typedList;

        QList<void *> *voidList;

    } u;

    u.typedList = &list;

    qt_qFindChildren_helper(o, QString(), &re, reinterpret_cast<T>(0)->staticMetaObject, u.voidList);

    return list;

}

#endif

template <class T>

inline T qobject_cast(QObject *object)

{

#if !defined(QT_NO_MEMBER_TEMPLATES) && !defined(QT_NO_QOBJECT_CHECK)

    reinterpret_cast<T>(0)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(object));

#endif

    return static_cast<T>(reinterpret_cast<T>(0)->staticMetaObject.cast(object));

}

template <class T>

inline T qobject_cast(const QObject *object)

{

    // this will cause a compilation error if T is not const

    register T ptr = static_cast<T>(object);

    Q_UNUSED(ptr);

#if !defined(QT_NO_MEMBER_TEMPLATES) && !defined(QT_NO_QOBJECT_CHECK)

    reinterpret_cast<T>(0)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(const_cast<QObject *>(object)));

#endif

    return static_cast<T>(const_cast<QObject *>(reinterpret_cast<T>(0)->staticMetaObject.cast(const_cast<QObject *>(object))));

}

template <class T> inline const char * qobject_interface_iid()

{ return 0; }

#ifndef Q_MOC_RUN

#  define Q_DECLARE_INTERFACE(IFace, IId) \

    template <> inline const char *qobject_interface_iid<IFace *>() \

    { return IId; } \

    template <> inline IFace *qobject_cast<IFace *>(QObject *object) \

    { return reinterpret_cast<IFace *>((object ? object->qt_metacast(IId) : 0)); } \

    template <> inline IFace *qobject_cast<IFace *>(const QObject *object) \

    { return reinterpret_cast<IFace *>((object ? const_cast<QObject *>(object)->qt_metacast(IId) : 0)); }

#endif // Q_MOC_RUN

#endif

#ifndef QT_NO_DEBUG_STREAM

Q_CORE_EXPORT QDebug operator<<(QDebug, const QObject *);

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif

#endif // QOBJECT_H