Revision control
++ // Copyright (C) 2019 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
++
++ #ifndef QT3DRENDER_RENDER_ENTITYVISITOR_H
++ #define QT3DRENDER_RENDER_ENTITYVISITOR_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <private/qglobal_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++ namespace Render {
++
++ class Entity;
++ class NodeManagers;
++
++ class Q_AUTOTEST_EXPORT EntityVisitor
++ {
++ public:
++ enum Operation {
++ Continue, //! continue traversal
++ Prune, //! don't traverse children
++ Stop //! abort traversal
++ };
++
++ EntityVisitor(NodeManagers *manager);
++ virtual ~EntityVisitor();
++
++ virtual Operation visit(Entity *entity = nullptr);
++
++ bool pruneDisabled() const;
++ void setPruneDisabled(bool pruneDisabled);
++
++ bool apply(Entity *root);
++
++ protected:
++ NodeManagers *m_manager;
++
++ private:
++ bool m_pruneDisabled;
++ };
++
++ } // namespace Render
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE
++
++ #endif // QT3DRENDER_RENDER_ENTITYVISITOR_H