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/**************************************************************************** |
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** |
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtCore module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** GNU Lesser General Public License Usage |
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** This file may be used under the terms of the GNU Lesser General Public |
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** License version 2.1 as published by the Free Software Foundation and |
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** appearing in the file LICENSE.LGPL included in the packaging of this |
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** file. Please review the following information to ensure the GNU Lesser |
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** General Public License version 2.1 requirements will be met: |
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** GNU General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU General |
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** Public License version 3.0 as published by the Free Software Foundation |
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** and appearing in the file LICENSE.GPL included in the packaging of this |
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** file. Please review the following information to ensure the GNU General |
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** Public License version 3.0 requirements will be met: |
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** http://www.gnu.org/copyleft/gpl.html. |
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** |
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** Other Usage |
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** Alternatively, this file may be used in accordance with the terms and |
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** conditions contained in a signed written agreement between you and Nokia. |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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|
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#ifndef QOBJECT_H |
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#define QOBJECT_H |
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|
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#ifndef QT_NO_QOBJECT |
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|
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#include <QtCore/qobjectdefs.h> |
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#include <QtCore/qstring.h> |
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#include <QtCore/qbytearray.h> |
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#include <QtCore/qlist.h> |
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#ifdef QT_INCLUDE_COMPAT |
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#include <QtCore/qcoreevent.h> |
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#endif |
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#include <QtCore/qscopedpointer.h> |
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|
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QT_BEGIN_HEADER |
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|
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QT_BEGIN_NAMESPACE |
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|
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QT_MODULE(Core) |
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|
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class QEvent; |
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class QTimerEvent; |
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class QChildEvent; |
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struct QMetaObject; |
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class QVariant; |
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class QObjectPrivate; |
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class QObject; |
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class QThread; |
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class QWidget; |
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#ifndef QT_NO_REGEXP |
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class QRegExp; |
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#endif |
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#ifndef QT_NO_USERDATA |
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class QObjectUserData; |
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#endif |
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|
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typedef QList<QObject*> QObjectList; |
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|
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Q_CORE_EXPORT void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re, |
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const QMetaObject &mo, QList<void *> *list); |
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Q_CORE_EXPORT QObject *qt_qFindChild_helper(const QObject *parent, const QString &name, const QMetaObject &mo); |
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|
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class |
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#if defined(__INTEL_COMPILER) && defined(Q_OS_WIN) |
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Q_CORE_EXPORT |
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#endif |
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QObjectData { |
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public: |
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virtual ~QObjectData() = 0; |
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QObject *q_ptr; |
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QObject *parent; |
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QObjectList children; |
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|
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uint isWidget : 1; |
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uint pendTimer : 1; |
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uint blockSig : 1; |
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uint wasDeleted : 1; |
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uint ownObjectName : 1; |
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uint sendChildEvents : 1; |
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uint receiveChildEvents : 1; |
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uint inEventHandler : 1; //only used if QT_JAMBI_BUILD |
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uint inThreadChangeEvent : 1; |
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uint hasGuards : 1; //true iff there is one or more QPointer attached to this object |
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uint unused : 22; |
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int postedEvents; |
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QMetaObject *metaObject; // assert dynamic |
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}; |
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|
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|
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class Q_CORE_EXPORT QObject |
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{ |
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Q_OBJECT |
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Q_PROPERTY(QString objectName READ objectName WRITE setObjectName) |
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Q_DECLARE_PRIVATE(QObject) |
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|
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public: |
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Q_INVOKABLE explicit QObject(QObject *parent=0); |
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virtual ~QObject(); |
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|
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virtual bool event(QEvent *); |
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virtual bool eventFilter(QObject *, QEvent *); |
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|
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#ifdef qdoc |
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static QString tr(const char *sourceText, const char *comment = 0, int n = -1); |
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static QString trUtf8(const char *sourceText, const char *comment = 0, int n = -1); |
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virtual const QMetaObject *metaObject() const; |
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static const QMetaObject staticMetaObject; |
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#endif |
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#ifdef QT_NO_TRANSLATION |
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static QString tr(const char *sourceText, const char *, int) |
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{ return QString::fromLatin1(sourceText); } |
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static QString tr(const char *sourceText, const char * = 0) |
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{ return QString::fromLatin1(sourceText); } |
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#ifndef QT_NO_TEXTCODEC |
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static QString trUtf8(const char *sourceText, const char *, int) |
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{ return QString::fromUtf8(sourceText); } |
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static QString trUtf8(const char *sourceText, const char * = 0) |
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{ return QString::fromUtf8(sourceText); } |
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#endif |
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#endif //QT_NO_TRANSLATION |
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|
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QString objectName() const; |
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void setObjectName(const QString &name); |
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|
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inline bool isWidgetType() const { return d_ptr->isWidget; } |
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|
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inline bool signalsBlocked() const { return d_ptr->blockSig; } |
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bool blockSignals(bool b); |
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|
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QThread *thread() const; |
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void moveToThread(QThread *thread); |
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|
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int startTimer(int interval); |
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void killTimer(int id); |
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|
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template<typename T> |
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inline T findChild(const QString &aName = QString()) const |
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{ return static_cast<T>(qt_qFindChild_helper(this, aName, reinterpret_cast<T>(0)->staticMetaObject)); } |
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|
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template<typename T> |
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inline QList<T> findChildren(const QString &aName = QString()) const |
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{ |
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QList<T> list; |
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union { |
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QList<T> *typedList; |
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QList<void *> *voidList; |
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} u; |
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u.typedList = &list; |
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qt_qFindChildren_helper(this, aName, 0, reinterpret_cast<T>(0)->staticMetaObject, u.voidList); |
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return list; |
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} |
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|
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#ifndef QT_NO_REGEXP |
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template<typename T> |
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inline QList<T> findChildren(const QRegExp &re) const |
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{ |
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QList<T> list; |
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union { |
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QList<T> *typedList; |
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QList<void *> *voidList; |
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} u; |
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u.typedList = &list; |
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qt_qFindChildren_helper(this, QString(), &re, reinterpret_cast<T>(0)->staticMetaObject, u.voidList); |
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return list; |
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} |
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#endif |
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|
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#ifdef QT3_SUPPORT |
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QT3_SUPPORT QObject *child(const char *objName, const char *inheritsClass = 0, |
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bool recursiveSearch = true) const; |
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QT3_SUPPORT QObjectList queryList(const char *inheritsClass = 0, |
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const char *objName = 0, |
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bool regexpMatch = true, |
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bool recursiveSearch = true) const; |
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#endif |
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inline const QObjectList &children() const { return d_ptr->children; } |
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|
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void setParent(QObject *); |
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void installEventFilter(QObject *); |
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void removeEventFilter(QObject *); |
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|
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|
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static bool connect(const QObject *sender, const char *signal, |
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const QObject *receiver, const char *member, Qt::ConnectionType = |
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#ifdef qdoc |
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Qt::AutoConnection |
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#else |
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#ifdef QT3_SUPPORT |
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Qt::AutoCompatConnection |
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#else |
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Qt::AutoConnection |
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#endif |
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#endif |
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); |
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|
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static bool connect(const QObject *sender, const QMetaMethod &signal, |
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const QObject *receiver, const QMetaMethod &method, |
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Qt::ConnectionType type = |
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#ifdef qdoc |
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Qt::AutoConnection |
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#else |
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#ifdef QT3_SUPPORT |
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Qt::AutoCompatConnection |
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#else |
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Qt::AutoConnection |
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#endif |
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#endif |
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); |
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|
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inline bool connect(const QObject *sender, const char *signal, |
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const char *member, Qt::ConnectionType type = |
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#ifdef qdoc |
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Qt::AutoConnection |
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#else |
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#ifdef QT3_SUPPORT |
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Qt::AutoCompatConnection |
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#else |
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Qt::AutoConnection |
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#endif |
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#endif |
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) const; |
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|
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static bool disconnect(const QObject *sender, const char *signal, |
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const QObject *receiver, const char *member); |
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static bool disconnect(const QObject *sender, const QMetaMethod &signal, |
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const QObject *receiver, const QMetaMethod &member); |
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inline bool disconnect(const char *signal = 0, |
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const QObject *receiver = 0, const char *member = 0) |
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{ return disconnect(this, signal, receiver, member); } |
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inline bool disconnect(const QObject *receiver, const char *member = 0) |
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{ return disconnect(this, 0, receiver, member); } |
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|
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void dumpObjectTree(); |
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void dumpObjectInfo(); |
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|
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#ifndef QT_NO_PROPERTIES |
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bool setProperty(const char *name, const QVariant &value); |
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QVariant property(const char *name) const; |
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QList<QByteArray> dynamicPropertyNames() const; |
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#endif // QT_NO_PROPERTIES |
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|
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#ifndef QT_NO_USERDATA |
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static uint registerUserData(); |
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void setUserData(uint id, QObjectUserData* data); |
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QObjectUserData* userData(uint id) const; |
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#endif // QT_NO_USERDATA |
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|
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Q_SIGNALS: |
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void destroyed(QObject * = 0); |
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|
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public: |
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inline QObject *parent() const { return d_ptr->parent; } |
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|
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inline bool inherits(const char *classname) const |
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{ return const_cast<QObject *>(this)->qt_metacast(classname) != 0; } |
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|
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public Q_SLOTS: |
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void deleteLater(); |
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|
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protected: |
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QObject *sender() const; |
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int senderSignalIndex() const; |
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int receivers(const char* signal) const; |
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|
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virtual void timerEvent(QTimerEvent *); |
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virtual void childEvent(QChildEvent *); |
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virtual void customEvent(QEvent *); |
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|
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virtual void connectNotify(const char *signal); |
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virtual void disconnectNotify(const char *signal); |
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|
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#ifdef QT3_SUPPORT |
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public: |
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QT3_SUPPORT_CONSTRUCTOR QObject(QObject *parent, const char *name); |
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inline QT3_SUPPORT void insertChild(QObject *o) |
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{ if (o) o->setParent(this); } |
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inline QT3_SUPPORT void removeChild(QObject *o) |
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{ if (o) o->setParent(0); } |
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inline QT3_SUPPORT bool isA(const char *classname) const |
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{ return qstrcmp(classname, metaObject()->className()) == 0; } |
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inline QT3_SUPPORT const char *className() const { return metaObject()->className(); } |
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inline QT3_SUPPORT const char *name() const { return objectName().latin1_helper(); } |
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inline QT3_SUPPORT const char *name(const char *defaultName) const |
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{ QString s = objectName(); return s.isEmpty()?defaultName:s.latin1_helper(); } |
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inline QT3_SUPPORT void setName(const char *aName) { setObjectName(QLatin1String(aName)); } |
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protected: |
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inline QT3_SUPPORT bool checkConnectArgs(const char *signal, |
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const QObject *, |
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const char *member) |
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{ return QMetaObject::checkConnectArgs(signal, member); } |
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static inline QT3_SUPPORT QByteArray normalizeSignalSlot(const char *signalSlot) |
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{ return QMetaObject::normalizedSignature(signalSlot); } |
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#endif |
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|
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protected: |
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QObject(QObjectPrivate &dd, QObject *parent = 0); |
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|
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protected: |
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QScopedPointer<QObjectData> d_ptr; |
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|
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static const QMetaObject staticQtMetaObject; |
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|
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friend struct QMetaObject; |
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friend class QApplication; |
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friend class QApplicationPrivate; |
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friend class QCoreApplication; |
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friend class QCoreApplicationPrivate; |
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friend class QWidget; |
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friend class QThreadData; |
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|
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private: |
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Q_DISABLE_COPY(QObject) |
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Q_PRIVATE_SLOT(d_func(), void _q_reregisterTimers(void *)) |
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}; |
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|
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inline bool QObject::connect(const QObject *asender, const char *asignal, |
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const char *amember, Qt::ConnectionType atype) const |
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{ return connect(asender, asignal, this, amember, atype); } |
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|
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#ifndef QT_NO_USERDATA |
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class Q_CORE_EXPORT QObjectUserData { |
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public: |
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virtual ~QObjectUserData(); |
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}; |
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#endif |
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|
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#ifdef qdoc |
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T qFindChild(const QObject *o, const QString &name = QString()); |
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QList<T> qFindChildren(const QObject *oobj, const QString &name = QString()); |
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QList<T> qFindChildren(const QObject *o, const QRegExp &re); |
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#endif |
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#ifdef QT_DEPRECATED |
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template<typename T> |
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inline QT_DEPRECATED T qFindChild(const QObject *o, const QString &name = QString()) |
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{ return o->findChild<T>(name); } |
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|
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template<typename T> |
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inline QT_DEPRECATED QList<T> qFindChildren(const QObject *o, const QString &name = QString()) |
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{ |
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return o->findChildren<T>(name); |
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} |
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|
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#ifndef QT_NO_REGEXP |
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template<typename T> |
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inline QT_DEPRECATED QList<T> qFindChildren(const QObject *o, const QRegExp &re) |
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{ |
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return o->findChildren<T>(re); |
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} |
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#endif |
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|
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#endif //QT_DEPRECATED |
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|
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template <class T> |
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inline T qobject_cast(QObject *object) |
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{ |
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#if !defined(QT_NO_QOBJECT_CHECK) |
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reinterpret_cast<T>(object)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(object)); |
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#endif |
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return static_cast<T>(reinterpret_cast<T>(object)->staticMetaObject.cast(object)); |
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} |
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|
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template <class T> |
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inline T qobject_cast(const QObject *object) |
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{ |
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#if !defined(QT_NO_QOBJECT_CHECK) |
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reinterpret_cast<T>(object)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(const_cast<QObject *>(object))); |
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#endif |
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return static_cast<T>(reinterpret_cast<T>(object)->staticMetaObject.cast(object)); |
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} |
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|
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|
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template <class T> inline const char * qobject_interface_iid() |
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{ return 0; } |
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|
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#ifndef Q_MOC_RUN |
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# define Q_DECLARE_INTERFACE(IFace, IId) \ |
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template <> inline const char *qobject_interface_iid<IFace *>() \ |
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{ return IId; } \ |
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template <> inline IFace *qobject_cast<IFace *>(QObject *object) \ |
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{ return reinterpret_cast<IFace *>((object ? object->qt_metacast(IId) : 0)); } \ |
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template <> inline IFace *qobject_cast<IFace *>(const QObject *object) \ |
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{ return reinterpret_cast<IFace *>((object ? const_cast<QObject *>(object)->qt_metacast(IId) : 0)); } |
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#endif // Q_MOC_RUN |
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|
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#ifndef QT_NO_DEBUG_STREAM |
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Q_CORE_EXPORT QDebug operator<<(QDebug, const QObject *); |
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#endif |
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|
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QT_END_NAMESPACE |
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|
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QT_END_HEADER |
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|
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#endif |
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|
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#endif // QOBJECT_H |