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diff --git a/src/Authoring/Qt3DStudio/Palettes/Timeline/Bindings/Qt3DSDMTimelineTimebar.h b/src/Authoring/Qt3DStudio/Palettes/Timeline/Bindings/Qt3DSDMTimelineTimebar.h
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+/****************************************************************************
+**
+** Copyright (C) 2008 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+
+///////////////////////////////////////////////////////////////////////////////
+// Includes
+#include "ITimelineTimebar.h"
+#include "Qt3DSDMHandles.h"
+#include "IDocumentEditor.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// Forwards
+class CTimelineTranslationManager;
+
+namespace Q3DStudio {
+class IDocumentEditor;
+}
+
+namespace qt3dsdm {
+class IPropertySystem;
+class ISignalConnection;
+}
+
+//=============================================================================
+/**
+ * General timebar implementation for DataModel objects
+ */
+class Qt3DSDMTimelineTimebar : public ITimelineTimebar, public Q3DStudio::CUpdateableDocumentEditor
+{
+public:
+    Qt3DSDMTimelineTimebar(CTimelineTranslationManager *inTimelineTranslationManager,
+                          qt3dsdm::Qt3DSDMInstanceHandle inDataHandle);
+    virtual ~Qt3DSDMTimelineTimebar();
+
+protected:
+    CTimelineTranslationManager *m_TimelineTranslationManager;
+    qt3dsdm::IPropertySystem *m_PropertySystem;
+    qt3dsdm::Qt3DSDMInstanceHandle m_DataHandle; // The Instance Handle for this Timeline Timeber.
+    qt3dsdm::Qt3DSDMPropertyHandle m_StartTime;
+    qt3dsdm::Qt3DSDMPropertyHandle m_EndTime;
+    ::CColor m_Color; // Timebar color
+
+    QString m_Comment; // Timebar comment text
+    std::shared_ptr<qt3dsdm::ISignalConnection> m_PropertyChangedSignal;
+    void OnPropertyChanged(qt3dsdm::Qt3DSDMInstanceHandle inInstance,
+                           qt3dsdm::Qt3DSDMPropertyHandle inProperty);
+
+public:
+    // ITimelineTimebar
+    long GetStartTime() const override;
+    long GetEndTime() const override;
+    long GetDuration() const override;
+    bool ShowHandleBars() const override;
+    void OnBeginDrag() override;
+    void OffsetTime(long inDiff) override;
+    void ChangeTime(long inTime, bool inSetStart) override;
+    void CommitTimeChange() override;
+    void RollbackTimeChange() override;
+    ::CColor GetTimebarColor() override { return m_Color; }
+    QString GetTimebarComment() const override { return m_Comment; }
+    void SetTimebarComment(const QString &inComment) override;
+    void SetTimebarTime(ITimeChangeCallback *inCallback = nullptr) override;
+};