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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "quick3dnode_p.h"
#include <QtCore/QDebug>
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
namespace Quick {
/*!
\qmltype Node
\inqmlmodule Qt3D.Core
\since 5.5
\brief A base QML type that other types inherit. It cannot be directly
created.
*/
Quick3DNode::Quick3DNode(QObject *parent)
: QObject(parent)
{
}
/*!
\qmlproperty list<QtQml::QtObject> Qt3D.Core::Node::data
\qmldefault
*/
QQmlListProperty<QObject> Quick3DNode::data()
{
using qt_size_type = qsizetype;
using ListContentType = QObject;
auto appendFunction = [](QQmlListProperty<ListContentType> *list, ListContentType *obj) {
if (!obj)
return;
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
self->childAppended(0, obj);
};
auto countFunction = [](QQmlListProperty<ListContentType> *list) -> qt_size_type {
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return self->parentNode()->children().size();
};
auto atFunction = [](QQmlListProperty<ListContentType> *list, qt_size_type index) -> ListContentType * {
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return self->parentNode()->children().at(index);
};
auto clearFunction = [](QQmlListProperty<ListContentType> *list) {
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
for (QObject *const child : self->parentNode()->children())
self->childRemoved(0, child);
};
return QQmlListProperty<ListContentType>(this, nullptr, appendFunction, countFunction, atFunction, clearFunction);
}
/*!
\qmlproperty list<Node> Qt3D.Core::Node::childNodes
\readonly
*/
QQmlListProperty<QNode> Quick3DNode::childNodes()
{
using qt_size_type = qsizetype;
using ListContentType = QNode;
auto appendFunction = [](QQmlListProperty<ListContentType> *list, ListContentType *obj) {
if (!obj)
return;
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
Q_ASSERT(!self->parentNode()->children().contains(obj));
self->childAppended(0, obj);
};
auto countFunction = [](QQmlListProperty<ListContentType> *list) -> qt_size_type {
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return self->parentNode()->children().size();
};
auto atFunction = [](QQmlListProperty<ListContentType> *list, qt_size_type index) -> ListContentType * {
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return qobject_cast<QNode *>(self->parentNode()->children().at(index));
};
auto clearFunction = [](QQmlListProperty<ListContentType> *list) {
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
for (QObject *const child : self->parentNode()->children())
self->childRemoved(0, child);
};
return QQmlListProperty<ListContentType>(this, nullptr, appendFunction, countFunction, atFunction, clearFunction);
}
void Quick3DNode::childAppended(int, QObject *obj)
{
QNode *parentNode = this->parentNode();
if (obj->parent() == parentNode)
obj->setParent(nullptr);
// Set after otherwise addChild might not work
if (QNode *n = qobject_cast<QNode *>(obj))
n->setParent(parentNode);
else
obj->setParent(parentNode);
}
void Quick3DNode::childRemoved(int, QObject *obj)
{
if (QNode *n = qobject_cast<QNode *>(obj))
n->setParent(Q_NODE_NULLPTR);
else
obj->setParent(nullptr);
}
} // namespace Quick
} // namespace Qt3DCore
QT_END_NAMESPACE
#include "moc_quick3dnode_p.cpp"
#include "moc_qt3dquickforeign_p.cpp"
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