bool UiExtractor::checkProperty(QObject *obj, const QString &prop) const { const QMetaObject *mo = obj->metaObject(); const QMetaProperty mp = mo->property(mo->indexOfProperty(prop.toLatin1())); // TODO come up with some more aggressive filtering if (mp.isValid() && mp.isDesignable(obj) && mp.isStored(obj) && mp.isWritable()) { const QVariant value = mp.read(obj); // try to figure out the default by resetting to it if (mp.isResettable()) { mp.reset(obj); if (mp.read(obj) == value) { return false; } mp.write(obj, value); return true; } // some guessing for non-resettable properties if (value.isNull() || !value.isValid()) { return false; } if (value.type() == QVariant::String) { return !value.toString().isEmpty(); } else if (value.type() == QVariant::Locale) { return value.value<QLocale>() != QLocale::system(); } return true; } return false; }
void AbstractParam::resetValue() { const QMetaObject *mo = metaObject(); int i = mo->indexOfProperty("value"); if (i >= 0) { QMetaProperty mp = mo->property(i); if (mp.isResettable()) { mp.reset(this); } } }
void ObjectEndPoint::propertyCall(const QServicePackage& p) { if(p.d->responseType == QServicePackage::NotAResponse) { //service side Q_ASSERT(d->endPointType == ObjectEndPoint::Service); QByteArray data = p.d->payload.toByteArray(); QDataStream stream(&data, QIODevice::ReadOnly); int metaIndex = -1; QVariant arg; int callType; stream >> metaIndex; stream >> arg; stream >> callType; const QMetaObject::Call c = (QMetaObject::Call) callType; QVariant result; QMetaProperty property = service->metaObject()->property(metaIndex); if (property.isValid()) { switch(c) { case QMetaObject::ReadProperty: result = property.read(service); break; case QMetaObject::WriteProperty: property.write(service, arg); break; case QMetaObject::ResetProperty: property.reset(service); break; default: break; } } if (c == QMetaObject::ReadProperty) { QServicePackage response = p.createResponse(); if (property.isValid()) { response.d->responseType = QServicePackage::Success; response.d->payload = result; } else { response.d->responseType = QServicePackage::Failed; } dispatch->writePackage(response); } } else {