| /**************************************************************************** |
| ** |
| ** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com> |
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| ****************************************************************************/ |
| |
| #include "propertychangehandler_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DCore { |
| |
| /* |
| \internal |
| \class Qt3DCore::PropertyChangeHandlerBase |
| \inmodule Qt3DCore |
| \brief Base class for the property change handler. |
| */ |
| PropertyChangeHandlerBase::PropertyChangeHandlerBase(QObject *parent) : |
| QObject(parent) |
| { |
| } |
| |
| void PropertyChangeHandlerBase::connectToPropertyChange(const QObject *object, int propertyIndex) |
| { |
| const QMetaObject *metaObject = object->metaObject(); |
| const QMetaProperty property = metaObject->property(propertyIndex); |
| if (!property.hasNotifySignal()) |
| return; |
| |
| static const int memberOffset = staticMetaObject.methodCount(); |
| QMetaObject::Connection connection = QMetaObject::connect(object, property.notifySignalIndex(), |
| this, memberOffset + propertyIndex, |
| Qt::DirectConnection, 0); |
| Q_ASSERT(connection); |
| Q_UNUSED(connection); |
| } |
| |
| void PropertyChangeHandlerBase::disconnectFromPropertyChange(const QObject *object, int propertyIndex) |
| { |
| const QMetaObject *metaObject = object->metaObject(); |
| const QMetaProperty property = metaObject->property(propertyIndex); |
| if (!property.hasNotifySignal()) |
| return; |
| |
| static const int memberOffset = staticMetaObject.methodCount(); |
| QMetaObject::disconnect(object, property.notifySignalIndex(), this, memberOffset + propertyIndex); |
| } |
| |
| |
| } |
| |
| QT_END_NAMESPACE |