Files
qt-creator/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstancesignalspy.cpp
Lucie Gérard a7956df3ca Use SPDX license identifiers
Replace the current license disclaimer in files by
a SPDX-License-Identifier.

Task-number: QTBUG-67283
Change-Id: I708fd1f9f2b73d60f57cc3568646929117825813
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
2022-08-26 12:27:18 +00:00

101 lines
3.4 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "nodeinstancesignalspy.h"
#include "objectnodeinstance.h"
#include <qmlprivategate.h>
#include <QMetaProperty>
#include <QMetaObject>
#include <QDebug>
#include <QSharedPointer>
#include <QQmlProperty>
namespace QmlDesigner {
namespace Internal {
NodeInstanceSignalSpy::NodeInstanceSignalSpy() :
QObject()
{
blockSignals(true);
}
void NodeInstanceSignalSpy::setObjectNodeInstance(const ObjectNodeInstance::Pointer &nodeInstance)
{
methodeOffset = QObject::staticMetaObject.methodCount() + 1;
registerObject(nodeInstance->object());
m_objectNodeInstance = nodeInstance;
}
void NodeInstanceSignalSpy::registerObject(QObject *spiedObject)
{
if (m_registeredObjectList.contains(spiedObject)) // prevent cycles
return;
m_registeredObjectList.append(spiedObject);
for (int index = QObject::staticMetaObject.propertyOffset();
index < spiedObject->metaObject()->propertyCount();
index++) {
QMetaProperty metaProperty = spiedObject->metaObject()->property(index);
registerProperty(metaProperty, spiedObject);
registerChildObject(metaProperty, spiedObject);
}
}
void NodeInstanceSignalSpy::registerProperty(const QMetaProperty &metaProperty, QObject *spiedObject, const PropertyName &propertyPrefix)
{
if (metaProperty.isReadable()
&& metaProperty.isWritable()
&& !QmlPrivateGate::isPropertyQObject(metaProperty)
&& metaProperty.hasNotifySignal()) {
QMetaMethod metaMethod = metaProperty.notifySignal();
QMetaObject::connect(spiedObject, metaMethod.methodIndex(), this, methodeOffset, Qt::DirectConnection);
m_indexPropertyHash.insert(methodeOffset, propertyPrefix + PropertyName(metaProperty.name()));
methodeOffset++;
}
}
void NodeInstanceSignalSpy::registerChildObject(const QMetaProperty &metaProperty, QObject *spiedObject)
{
if (metaProperty.isReadable()
&& !metaProperty.isWritable()
&& QmlPrivateGate::isPropertyQObject(metaProperty)
&& QLatin1String(metaProperty.name()) != QLatin1String("parent")) {
QObject *childObject = QmlPrivateGate::readQObjectProperty(metaProperty, spiedObject);
if (childObject) {
for (int index = QObject::staticMetaObject.propertyOffset();
index < childObject->metaObject()->propertyCount();
index++) {
QMetaProperty childMetaProperty = childObject->metaObject()->property(index);
registerProperty(childMetaProperty, childObject, PropertyName(metaProperty.name()) + '.');
}
}
}
}
int NodeInstanceSignalSpy::qt_metacall(QMetaObject::Call call, int methodId, void **a)
{
if (call == QMetaObject::InvokeMetaMethod && methodId > QObject::staticMetaObject.methodCount()) {
ObjectNodeInstance::Pointer nodeInstance = m_objectNodeInstance.toStrongRef();
if (nodeInstance && nodeInstance->nodeInstanceServer() && nodeInstance->isValid()) {
foreach (const PropertyName &propertyName, m_indexPropertyHash.values(methodId))
nodeInstance->nodeInstanceServer()->notifyPropertyChange(nodeInstance->instanceId(), propertyName);
}
}
return QObject::qt_metacall(call, methodId, a);
}
} // namespace Internal
} // namespace QmlDesigner