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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DCORE_QNODE_H
#define QT3DCORE_QNODE_H
#include <Qt3DCore/qnodecreatedchange.h>
#include <Qt3DCore/qnodeid.h>
#include <Qt3DCore/qnodecommand.h>
#include <Qt3DCore/qscenechange.h>
#include <Qt3DCore/qt3dcore_global.h>
#include <QtCore/QObject>
#define Q_NODE_NULLPTR static_cast<Qt3DCore::QNode *>(nullptr)
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
class QNode;
class QNodePrivate;
class QEntity;
class QAspectEngine;
#if defined(QT_BUILD_INTERNAL)
class QBackendNodeTester;
#endif
typedef QVector<QNode *> QNodeVector;
typedef QSharedPointer<QNode> QNodePtr;
class Q_3DCORESHARED_EXPORT QNode : public QObject
{
Q_OBJECT
Q_PROPERTY(Qt3DCore::QNode *parent READ parentNode WRITE setParent NOTIFY parentChanged)
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
Q_PROPERTY(PropertyTrackingMode defaultPropertyTrackingMode READ defaultPropertyTrackingMode WRITE setDefaultPropertyTrackingMode NOTIFY defaultPropertyTrackingModeChanged REVISION 9)
public:
enum PropertyTrackingMode : quint16 {
TrackFinalValues,
DontTrackValues,
TrackAllValues
};
Q_ENUM(PropertyTrackingMode)
explicit QNode(QNode *parent = nullptr);
virtual ~QNode();
QNodeId id() const;
QNode *parentNode() const;
bool notificationsBlocked() const;
bool blockNotifications(bool block);
QNodeVector childNodes() const;
bool isEnabled() const;
PropertyTrackingMode defaultPropertyTrackingMode() const;
void setPropertyTracking(const QString &propertyName, PropertyTrackingMode trackMode);
PropertyTrackingMode propertyTracking(const QString &propertyName) const;
void clearPropertyTracking(const QString &propertyName);
void clearPropertyTrackings();
Q3D_DECL_DEPRECATED QNodeCommand::CommandId sendCommand(const QString &name, const QVariant &data = QVariant(),
QNodeCommand::CommandId replyTo = QNodeCommand::CommandId());
Q3D_DECL_DEPRECATED void sendReply(const QNodeCommandPtr &command);
public Q_SLOTS:
void setParent(QNode *parent);
void setEnabled(bool isEnabled);
void setDefaultPropertyTrackingMode(PropertyTrackingMode mode);
Q_SIGNALS:
void parentChanged(QObject *parent);
void enabledChanged(bool enabled);
void defaultPropertyTrackingModeChanged(PropertyTrackingMode mode);
void nodeDestroyed();
protected:
explicit QNode(QNodePrivate &dd, QNode *parent = nullptr);
Q3D_DECL_DEPRECATED void notifyObservers(const QSceneChangePtr &change);
Q3D_DECL_DEPRECATED virtual void sceneChangeEvent(const QSceneChangePtr &change);
private:
Q_DECLARE_PRIVATE(QNode)
Q3D_DECL_DEPRECATED virtual QNodeCreatedChangeBasePtr createNodeCreationChange() const;
// We only want setParent(QNode *) to be callable
// when dealing with QNode objects
void setParent(QObject *) Q_DECL_EQ_DELETE;
Q_PRIVATE_SLOT(d_func(), void _q_postConstructorInit())
Q_PRIVATE_SLOT(d_func(), void _q_addChild(Qt3DCore::QNode *))
Q_PRIVATE_SLOT(d_func(), void _q_removeChild(Qt3DCore::QNode *))
Q_PRIVATE_SLOT(d_func(), void _q_setParentHelper(Qt3DCore::QNode *))
friend class QAspectEngine;
friend class QAspectEnginePrivate;
friend class QAbstractAspectPrivate;
friend class QNodeCreatedChangeGenerator;
friend class QPostman;
friend class QScene;
#if defined(QT_BUILD_INTERNAL)
friend class QBackendNodeTester;
#endif
};
inline QNodeId qIdForNode(QNode *node){ return node ? node->id() : QNodeId(); }
template<typename T>
inline QNodeIdVector qIdsForNodes(const T &nodes)
{
QNodeIdVector ids;
ids.reserve(nodes.size());
for (const auto n : nodes)
ids.push_back(n->id());
return ids;
}
struct QNodeIdTypePair
{
QNodeIdTypePair() Q_DECL_NOTHROW
: id()
, type(nullptr)
{}
explicit QNodeIdTypePair(QNodeId _id, const QMetaObject *_type) Q_DECL_NOTHROW
: id(_id)
, type(_type)
{}
QNodeId id;
const QMetaObject *type;
};
QT3D_DECLARE_TYPEINFO(Qt3DCore, QNodeIdTypePair, Q_PRIMITIVE_TYPE)
} // namespace Qt3DCore
QT_END_NAMESPACE
#endif
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