forked from qt-creator/qt-creator
8fe3302329
Change-Id: Id50d8c6130e9d5169a74015bc24e84de64eabfa7 Reviewed-on: http://codereview.qt.nokia.com/634 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>
143 lines
5.2 KiB
C++
143 lines
5.2 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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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 file.
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** Please review the following information to ensure the GNU Lesser General
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** 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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** Other Usage
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**
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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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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "nodeinstancemetaobject.h"
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#include "objectnodeinstance.h"
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#include <QSharedPointer>
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#include <QMetaProperty>
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#include <qnumeric.h>
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#include <QtDebug>
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namespace QmlDesigner {
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namespace Internal {
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NodeInstanceMetaObject::NodeInstanceMetaObject(const ObjectNodeInstance::Pointer &nodeInstance, QDeclarativeEngine *engine)
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: QDeclarativeOpenMetaObject(nodeInstance->object(), new QDeclarativeOpenMetaObjectType(nodeInstance->object()->metaObject(), engine), true),
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m_nodeInstance(nodeInstance),
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m_context(nodeInstance->isRootNodeInstance() ? nodeInstance->context() : 0)
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{
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setCached(true);
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}
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NodeInstanceMetaObject::NodeInstanceMetaObject(const ObjectNodeInstancePointer &nodeInstance, QObject *object, const QString &prefix, QDeclarativeEngine *engine)
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: QDeclarativeOpenMetaObject(object, new QDeclarativeOpenMetaObjectType(object->metaObject(), engine), true),
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m_nodeInstance(nodeInstance),
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m_prefix(prefix)
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{
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setCached(true);
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}
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void NodeInstanceMetaObject::createNewProperty(const QString &name)
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{
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int id = createProperty(name.toLatin1(), 0);
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setValue(id, QVariant());
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Q_ASSERT(id >= 0);
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Q_UNUSED(id)
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}
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int NodeInstanceMetaObject::metaCall(QMetaObject::Call call, int id, void **a)
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{
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int metaCallReturnValue = -1;
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if (call == QMetaObject::WriteProperty
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&& property(id).userType() == QMetaType::QVariant
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&& reinterpret_cast<QVariant *>(a[0])->type() == QVariant::Double
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&& qIsNaN(reinterpret_cast<QVariant *>(a[0])->toDouble())) {
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return -1;
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}
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if (call == QMetaObject::WriteProperty
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&& property(id).userType() == QMetaType::Double
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&& qIsNaN(*reinterpret_cast<double*>(a[0]))) {
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return -1;
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}
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if (call == QMetaObject::WriteProperty
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&& property(id).userType() == QMetaType::Float
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&& qIsNaN(*reinterpret_cast<float*>(a[0]))) {
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return -1;
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}
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QVariant oldValue;
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if (call == QMetaObject::WriteProperty && !property(id).hasNotifySignal())
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{
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oldValue = property(id).read(object());
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}
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ObjectNodeInstance::Pointer objectNodeInstance = m_nodeInstance.toStrongRef();
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if (parent() && id < parent()->propertyOffset()) {
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metaCallReturnValue = parent()->metaCall(call, id, a);
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} else {
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metaCallReturnValue = QDeclarativeOpenMetaObject::metaCall(call, id, a);
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}
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if ((call == QMetaObject::WriteProperty || call == QMetaObject::ReadProperty) && metaCallReturnValue < 0) {
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if (objectNodeInstance
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&& objectNodeInstance->nodeInstanceServer()
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&& objectNodeInstance->nodeInstanceServer()->dummyContextObject()
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&& !(objectNodeInstance && !objectNodeInstance->isRootNodeInstance() && property(id).name() == QLatin1String("parent"))) {
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QObject *contextDummyObject = objectNodeInstance->nodeInstanceServer()->dummyContextObject();
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int properyIndex = contextDummyObject->metaObject()->indexOfProperty(property(id).name());
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if (properyIndex >= 0)
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metaCallReturnValue = contextDummyObject->qt_metacall(call, properyIndex, a);
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}
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}
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if (metaCallReturnValue >= 0
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&& call == QMetaObject::WriteProperty
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&& !property(id).hasNotifySignal()
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&& oldValue != property(id).read(object()))
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notifyPropertyChange(id);
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return metaCallReturnValue;
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}
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void NodeInstanceMetaObject::notifyPropertyChange(int id)
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{
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ObjectNodeInstance::Pointer objectNodeInstance = m_nodeInstance.toStrongRef();
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if (objectNodeInstance && objectNodeInstance->nodeInstanceServer()) {
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if (id < type()->propertyOffset()) {
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objectNodeInstance->nodeInstanceServer()->notifyPropertyChange(objectNodeInstance->instanceId(), m_prefix + property(id).name());
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} else {
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objectNodeInstance->nodeInstanceServer()->notifyPropertyChange(objectNodeInstance->instanceId(), m_prefix + name(id - type()->propertyOffset()));
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}
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}
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}
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} // namespace Internal
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} // namespace QmlDesigner
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