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diff --git a/src/Authoring/Studio/Controls/InsertionOverlay.h b/src/Authoring/Studio/Controls/InsertionOverlay.h
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+/****************************************************************************
+**
+** Copyright (C) 2002 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//==============================================================================
+// Prefix
+//==============================================================================
+#ifndef INCLUDED_INSERTION_OVERLAY_H
+#define INCLUDED_INSERTION_OVERLAY_H 1
+
+#pragma once
+
+//==============================================================================
+// Includes
+//==============================================================================
+#include "OverlayControl.h"
+
+#include <QPixmap>
+
+//==============================================================================
+// Forwards
+//==============================================================================
+class CRenderer;
+
+
+//=============================================================================
+/**
+ * In drag-and-drop operations it's often desirable to indicate when you are
+ * dropping an item onto another item.  This control gives that visual
+ * representation by drawing an arrow at either side.  Example: Item2 is selected.
+ *		+ Item1
+ *  >	+ Item2		<
+ *		+ Item3
+ */
+class CInsertionOverlay : public COverlayControl
+{
+public:
+    CInsertionOverlay();
+    virtual ~CInsertionOverlay();
+    void SetWidth(long inWidth);
+    virtual void Draw(CRenderer *inRenderer);
+    virtual bool HitTest(const CPt &inPoint) const;
+
+protected:
+    long m_Width;
+    QPixmap m_InsertLeftImage;
+    QPixmap m_InsertRightImage;
+};
+#endif // INCLUDED_INSERTION_OVERLAY_H