QMetaObjectPrivate是QMetaObjectd指針里面的data成員

struct QMetaObjectPrivate {// revision 7 is Qt 5.0 everything lower is not supported// revision 8 is Qt 5.12: It adds the enum name to QMetaEnumenum { OutputRevision = 8 }; // Used by moc, qmetaobjectbuilder and qdbusint revision;int className;int classInfoCount, classInfoData;int methodCount, methodData;int propertyCount, propertyData;int enumeratorCount, enumeratorData;int constructorCount, constructorData;int flags;int signalCount;static inline const QMetaObjectPrivate *get(const QMetaObject *metaobject){ return reinterpret_cast<const QMetaObjectPrivate*>(metaobject->d.data); }static int originalClone(const QMetaObject *obj, int local_method_index);static QByteArray decodeMethodSignature(const char *signature,QArgumentTypeArray &types);static int indexOfSignalRelative(const QMetaObject **baseObject,const QByteArray &name, int argc,const QArgumentType *types);static int indexOfSlotRelative(const QMetaObject **m,const QByteArray &name, int argc,const QArgumentType *types);static int indexOfSignal(const QMetaObject *m, const QByteArray &name,int argc, const QArgumentType *types);static int indexOfSlot(const QMetaObject *m, const QByteArray &name,int argc, const QArgumentType *types);static int indexOfMethod(const QMetaObject *m, const QByteArray &name,int argc, const QArgumentType *types);static int indexOfConstructor(const QMetaObject *m, const QByteArray &name,int argc, const QArgumentType *types);Q_CORE_EXPORT static QMetaMethod signal(const QMetaObject *m, int signal_index);Q_CORE_EXPORT static int signalOffset(const QMetaObject *m);Q_CORE_EXPORT static int absoluteSignalCount(const QMetaObject *m);Q_CORE_EXPORT static int signalIndex(const QMetaMethod &m);static bool checkConnectArgs(int signalArgc, const QArgumentType *signalTypes,int methodArgc, const QArgumentType *methodTypes);static bool checkConnectArgs(const QMetaMethodPrivate *signal,const QMetaMethodPrivate *method);static QList<QByteArray> parameterTypeNamesFromSignature(const char *signature);#ifndef QT_NO_QOBJECTstatic QObjectPrivate::Connection *connect(const QObject *sender, int signal_index,const QMetaObject *smeta,const QObject *receiver, int method_index_relative,const QMetaObject *rmeta = 0,int type = 0, int *types = 0);static bool disconnect(const QObject *sender, int signal_index,const QMetaObject *smeta,const QObject *receiver, int method_index, void **slot,DisconnectType = DisconnectAll); #endif };

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