C++ QMetaEnum::isFlag方法代码示例

void MetaInfoPrivate::parseProperties(NodeMetaInfo &nodeMetaInfo, const QMetaObject *qMetaObject) const
{
    Q_ASSERT_X(qMetaObject, Q_FUNC_INFO, "invalid QMetaObject");
    Q_ASSERT_X(nodeMetaInfo.isValid(), Q_FUNC_INFO, "invalid NodeMetaInfo");

    for (int i = qMetaObject->propertyOffset(); i < qMetaObject->propertyCount(); ++i) {
        QMetaProperty qProperty = qMetaObject->property(i);

        PropertyMetaInfo propertyInfo;

        propertyInfo.setName(QLatin1String(qProperty.name()));

        QString typeName(qProperty.typeName());
        QString noStar = typeName;
        bool star = false;
        while (noStar.contains('*')) {//strip star
            noStar.chop(1);
            star = true;
        }
        if (m_QtTypesToQmlTypes.contains(noStar)) {
            typeName = star ? m_QtTypesToQmlTypes.value(noStar) + '*' : m_QtTypesToQmlTypes.value(noStar);
            //### versions
        }
        propertyInfo.setType(typeName);
        propertyInfo.setValid(true);
        propertyInfo.setReadable(qProperty.isReadable());
        propertyInfo.setWritable(qProperty.isWritable());
        propertyInfo.setResettable(qProperty.isResettable());
        propertyInfo.setEnumType(qProperty.isEnumType());
        propertyInfo.setFlagType(qProperty.isFlagType());

        if (propertyInfo.isEnumType()) {
            EnumeratorMetaInfo enumerator;

            QMetaEnum qEnumerator = qProperty.enumerator();
            enumerator.setValid(qEnumerator.isValid());
            enumerator.setIsFlagType(qEnumerator.isFlag());
            enumerator.setScope(qEnumerator.scope());
            enumerator.setName(qEnumerator.name());
            for (int i = 0 ;i < qEnumerator.keyCount(); i++)
            {
                enumerator.addElement(qEnumerator.valueToKey(i), i);
            }

            propertyInfo.setEnumerator(enumerator);
        }

        nodeMetaInfo.addProperty(propertyInfo);
    }
}

// Convert complex DOM types with the help of  QAbstractFormBuilder
QVariant domPropertyToVariant(QAbstractFormBuilder *afb,const QMetaObject *meta,const  DomProperty *p)
{
    // Complex types that need functions from QAbstractFormBuilder
    switch(p->kind()) {
    case DomProperty::String: {
        const int index = meta->indexOfProperty(p->attributeName().toUtf8());
        if (index != -1 && meta->property(index).type() == QVariant::KeySequence)
            return QVariant::fromValue(QKeySequence(p->elementString()->text()));
    }
        break;

    case DomProperty::Palette: {
        const DomPalette *dom = p->elementPalette();
        QPalette palette;

        if (dom->elementActive())
            afb->setupColorGroup(palette, QPalette::Active, dom->elementActive());

        if (dom->elementInactive())
            afb->setupColorGroup(palette, QPalette::Inactive, dom->elementInactive());

        if (dom->elementDisabled())
            afb->setupColorGroup(palette, QPalette::Disabled, dom->elementDisabled());

        palette.setCurrentColorGroup(QPalette::Active);
        return QVariant::fromValue(palette);
    }

    case DomProperty::Set: {
        const QByteArray pname = p->attributeName().toUtf8();
        const int index = meta->indexOfProperty(pname);
        if (index == -1) {
            uiLibWarning(QCoreApplication::translate("QFormBuilder", "The set-type property %1 could not be read.").arg(p->attributeName()));
            return QVariant();
        }

        const QMetaEnum e = meta->property(index).enumerator();
        Q_ASSERT(e.isFlag() == true);
        return QVariant(e.keysToValue(p->elementSet().toUtf8()));
    }

    case DomProperty::Enum: {
        const QByteArray pname = p->attributeName().toUtf8();
        const int index = meta->indexOfProperty(pname);
        QString enumValue = p->elementEnum();
        // Triggers in case of objects in Designer like Spacer/Line for which properties
        // are serialized using language introspection. On preview, however, these objects are
        // emulated by hacks in the formbuilder (size policy/orientation)
        fixEnum(enumValue);
        if (index == -1) {
            // ### special-casing for Line (QFrame) -- fix for 4.2. Jambi hack for enumerations
            if (!qstrcmp(meta->className(), "QFrame")
                && (pname == QByteArray("orientation"))) {
                return QVariant(enumValue == QFormBuilderStrings::instance().horizontalPostFix ? QFrame::HLine : QFrame::VLine);
            } else {
                uiLibWarning(QCoreApplication::translate("QFormBuilder", "The enumeration-type property %1 could not be read.").arg(p->attributeName()));
                return QVariant();
            }
        }

        const QMetaEnum e = meta->property(index).enumerator();
        return QVariant(e.keyToValue(enumValue.toUtf8()));
    }
    case DomProperty::Brush:
        return QVariant::fromValue(afb->setupBrush(p->elementBrush()));
    default:
        if (afb->resourceBuilder()->isResourceProperty(p)) {
            return afb->resourceBuilder()->loadResource(afb->workingDirectory(), p);
            }

        break;
    }

    // simple type
    return domPropertyToVariant(p);
}

static HRESULT classIDL(QObject *o, const QMetaObject *mo, const QString &className, bool isBindable, QTextStream &out)
{
    int id = 1;
    int i = 0;
    if (!mo)
        return 3;

    QString topclass = qAxFactory()->exposeToSuperClass(className);
    if (topclass.isEmpty())
        topclass = QLatin1String("QObject");
    bool hasStockEvents = qAxFactory()->hasStockEvents(className);

    const QMetaObject *pmo = mo;
    do {
        pmo = pmo->superClass();
    } while (pmo && topclass != QString::fromLatin1(pmo->className()));

    int enumoff = pmo ? pmo->enumeratorOffset() : mo->enumeratorOffset();
    int methodoff = pmo ? pmo->methodOffset() : mo->methodOffset();
    int propoff = pmo ? pmo->propertyOffset() : mo->propertyOffset();

    int qtProps = 0;
    int qtSlots = 0;

    bool control = false;

    if (o && o->isWidgetType()) {
        qtProps = QWidget::staticMetaObject.propertyCount();
        qtSlots = QWidget::staticMetaObject.methodCount();
        control = true;
    }

    const QString classID = stripCurlyBraces(qAxFactory()->classID(className));
    if (classID.isEmpty())
        return 4;
    const QString interfaceID = stripCurlyBraces(qAxFactory()->interfaceID(className));
    if (interfaceID.isEmpty())
        return 5;
    const QString eventsID = stripCurlyBraces(qAxFactory()->eventsID(className));
    const bool hasEvents = !eventsID.isEmpty();

    QString cleanClassName = qax_clean_type(className, mo);
    QString defProp(QLatin1String(mo->classInfo(mo->indexOfClassInfo("DefaultProperty")).value()));
    QString defSignal(QLatin1String(mo->classInfo(mo->indexOfClassInfo("DefaultSignal")).value()));

    for (i = enumoff; i < mo->enumeratorCount(); ++i) {
        const QMetaEnum enumerator = mo->enumerator(i);
        if (enums.contains(enumerator.name()))
            continue;

        enums.append(enumerator.name());

        out << "\tenum " << enumerator.name() << " {" << endl;

        for (int j = 0; j < enumerator.keyCount(); ++j) {
            QByteArray key(enumerator.key(j));
            while (enumValues.contains(key)) {
                key += '_';
            }
            enumValues.append(key);
            const uint value = uint(enumerator.value(j));
            key = key.leftJustified(20);
            out << "\t\t" << key << "\t= ";
            if (enumerator.isFlag())
                out << "0x" << QByteArray::number(value, 16).rightJustified(8, '0');
            else
                out << value;
            if (j < enumerator.keyCount()-1)
                out << ", ";
            out << endl;
        }
        out << "\t};" << endl << endl;
    }

    // mouse cursor enum for QCursor support
    if (!enums.contains("MousePointer")) {
        enums.append("MousePointer");
        out << "\tenum MousePointer {" << endl;
        out << "\t\tArrowCursor             = " << Qt::ArrowCursor << ',' << endl;
        out << "\t\tUpArrowCursor           = " << Qt::UpArrowCursor << ',' << endl;
        out << "\t\tCrossCursor             = " << Qt::CrossCursor << ',' << endl;
        out << "\t\tWaitCursor              = " << Qt::WaitCursor << ',' << endl;
        out << "\t\tIBeamCursor             = " << Qt::IBeamCursor << ',' << endl;
        out << "\t\tSizeVerCursor           = " << Qt::SizeVerCursor << ',' << endl;
        out << "\t\tSizeHorCursor           = " << Qt::SizeHorCursor << ',' << endl;
        out << "\t\tSizeBDiagCursor         = " << Qt::SizeBDiagCursor << ',' << endl;
        out << "\t\tSizeFDiagCursor         = " << Qt::SizeFDiagCursor << ',' << endl;
        out << "\t\tSizeAllCursor           = " << Qt::SizeAllCursor << ',' << endl;
        out << "\t\tBlankCursor             = " << Qt::BlankCursor << ',' << endl;
        out << "\t\tSplitVCursor            = " << Qt::SplitVCursor << ',' << endl;
        out << "\t\tSplitHCursor            = " << Qt::SplitHCursor << ',' << endl;
        out << "\t\tPointingHandCursor      = " << Qt::PointingHandCursor << ',' << endl;
        out << "\t\tForbiddenCursor         = " << Qt::ForbiddenCursor << ',' << endl;
        out << "\t\tWhatsThisCursor         = " << Qt::WhatsThisCursor << ',' << endl;
        out << "\t\tBusyCursor\t= " << Qt::BusyCursor << endl;
        out << "\t};" << endl << endl;
    }
    if (!enums.contains("FocusPolicy")) {
        enums.append("FocusPolicy");
        out << "\tenum FocusPolicy {" << endl;
//.........这里部分代码省略.........