Long live Qt 4.5!

1 files changed, 480 insertions, 0 deletions

diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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
+
+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 unused : 23;
+    int postedEvents;
+};
+
+
+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:
+    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 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 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))));
+}
+
+
+#ifndef Q_MOC_RUN
+#  define Q_DECLARE_INTERFACE(IFace, 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