forked from qt-creator/qt-creator
38cce7eb83
* Update all files in share folder Change-Id: I8a82c3eb2eb614d4339dd4c4e690f54b5f29d813 Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>
123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "nodeinstancesignalspy.h"
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#include "objectnodeinstance.h"
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#include <qmlprivategate.h>
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#include <QMetaProperty>
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#include <QMetaObject>
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#include <QDebug>
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#include <QSharedPointer>
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#include <QQmlProperty>
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namespace QmlDesigner {
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namespace Internal {
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NodeInstanceSignalSpy::NodeInstanceSignalSpy() :
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QObject()
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{
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blockSignals(true);
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}
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void NodeInstanceSignalSpy::setObjectNodeInstance(const ObjectNodeInstance::Pointer &nodeInstance)
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{
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methodeOffset = QObject::staticMetaObject.methodCount() + 1;
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registerObject(nodeInstance->object());
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m_objectNodeInstance = nodeInstance;
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}
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void NodeInstanceSignalSpy::registerObject(QObject *spiedObject)
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{
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if (m_registeredObjectList.contains(spiedObject)) // prevent cycles
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return;
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m_registeredObjectList.append(spiedObject);
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for (int index = QObject::staticMetaObject.propertyOffset();
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index < spiedObject->metaObject()->propertyCount();
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index++) {
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QMetaProperty metaProperty = spiedObject->metaObject()->property(index);
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registerProperty(metaProperty, spiedObject);
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registerChildObject(metaProperty, spiedObject);
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}
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}
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void NodeInstanceSignalSpy::registerProperty(const QMetaProperty &metaProperty, QObject *spiedObject, const PropertyName &propertyPrefix)
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{
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if (metaProperty.isReadable()
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&& metaProperty.isWritable()
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&& !QmlPrivateGate::isPropertyQObject(metaProperty)
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&& metaProperty.hasNotifySignal()) {
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QMetaMethod metaMethod = metaProperty.notifySignal();
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QMetaObject::connect(spiedObject, metaMethod.methodIndex(), this, methodeOffset, Qt::DirectConnection);
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m_indexPropertyHash.insert(methodeOffset, propertyPrefix + PropertyName(metaProperty.name()));
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methodeOffset++;
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}
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}
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void NodeInstanceSignalSpy::registerChildObject(const QMetaProperty &metaProperty, QObject *spiedObject)
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{
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if (metaProperty.isReadable()
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&& !metaProperty.isWritable()
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&& QmlPrivateGate::isPropertyQObject(metaProperty)
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&& QLatin1String(metaProperty.name()) != "parent") {
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QObject *childObject = QmlPrivateGate::readQObjectProperty(metaProperty, spiedObject);
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if (childObject) {
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for (int index = QObject::staticMetaObject.propertyOffset();
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index < childObject->metaObject()->propertyCount();
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index++) {
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QMetaProperty childMetaProperty = childObject->metaObject()->property(index);
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registerProperty(childMetaProperty, childObject, PropertyName(metaProperty.name()) + '.');
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}
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}
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}
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}
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int NodeInstanceSignalSpy::qt_metacall(QMetaObject::Call call, int methodId, void **a)
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{
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if (call == QMetaObject::InvokeMetaMethod && methodId > QObject::staticMetaObject.methodCount()) {
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ObjectNodeInstance::Pointer nodeInstance = m_objectNodeInstance.toStrongRef();
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if (nodeInstance && nodeInstance->nodeInstanceServer() && nodeInstance->isValid()) {
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foreach (const PropertyName &propertyName, m_indexPropertyHash.values(methodId))
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nodeInstance->nodeInstanceServer()->notifyPropertyChange(nodeInstance->instanceId(), propertyName);
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}
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}
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return QObject::qt_metacall(call, methodId, a);
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}
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} // namespace Internal
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} // namespace QmlDesigner
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