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diff --git a/src/Runtime/Source/runtime/Qt3DSEventCallbacks.h b/src/Runtime/Source/runtime/Qt3DSEventCallbacks.h
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+/****************************************************************************
+**
+** Copyright (C) 1993-2009 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 or (at your option) 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.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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+
+#include "Qt3DSEvent.h"
+#include "Qt3DSMemory.h"
+
+//==============================================================================
+//	Namespace
+//==============================================================================
+namespace Q3DStudio {
+
+//==============================================================================
+//	Typedefs
+//==============================================================================
+typedef void (*TEventCallback)(void *inContextData, SEventCommand &ioEvent);
+
+//==============================================================================
+/**
+ *	Manages the various events callbacks in the system. It fires the
+ *	registered callbacks when an event was triggered.
+ */
+class CEventCallbacks
+{
+    //==============================================================================
+    //	Structs
+    //==============================================================================
+protected:
+    struct SCallbackEntry
+    {
+        TEventCallback m_Function; ///< Callback function pointer
+        void *m_ContextData; ///< User data
+    };
+    typedef CArray<SCallbackEntry> TCallbackList; ///< Array of callbacks regisgtered
+
+    struct SEventCallbackEntry
+    {
+        SEventCallbackEntry()
+            : m_EventHash(0)
+        {
+        }
+        ~SEventCallbackEntry() {}
+
+        TEventCommandHash m_EventHash; ///< The event of interest
+        TCallbackList m_Callbacks; ///< List of callbacks listening to this event
+
+    private: // Disabled Copy Construction
+        SEventCallbackEntry(const SEventCallbackEntry &);
+        SEventCallbackEntry &operator=(const SEventCallbackEntry &);
+    };
+    typedef CArray<SEventCallbackEntry *> TEventCallbacksList; ///< Array of events with callback
+
+    struct SElementCallbackEntry
+    {
+        SElementCallbackEntry()
+            : m_Element(NULL)
+        {
+        }
+        ~SElementCallbackEntry()
+        {
+            FOR_ARRAY(SEventCallbackEntry *, theEntry, m_EventEntries)
+            Q3DStudio_delete(*theEntry, SEventCallbackEntry);
+        }
+
+        TElement *m_Element; ///< Element to monitor for event
+        TEventCallbacksList m_EventEntries; ///< List of events listened on this element
+
+    private: // Disabled Copy Construction
+        SElementCallbackEntry(const SElementCallbackEntry &);
+        SElementCallbackEntry &operator=(const SElementCallbackEntry &);
+    };
+    typedef CArray<SElementCallbackEntry *>
+        TElementCallbacksList; ///< Array of elements with callbacks
+
+    //==============================================================================
+    //	Fields
+    //==============================================================================
+protected:
+    TElementCallbacksList m_EventCallbacksList; ///< List of event callbacks
+    TCallbackList m_CallbackList;
+
+    //==============================================================================
+    //	Methods
+    //==============================================================================
+public: // Construction
+    CEventCallbacks();
+    ~CEventCallbacks();
+
+public: // Registration
+    void RegisterCallback(TElement *inElement, const TEventCommandHash inEventHash,
+                          const TEventCallback inCallback, void *inContextData);
+    BOOL UnregisterCallback(TElement *inElement, const TEventCommandHash inEventHash,
+                            const TEventCallback inCallback, void *inContextData, BOOL &outLast);
+    void UnregisterAllCallbacks();
+
+public: // Operation
+    void FireCallbacks(SEventCommand &ioEvent);
+
+protected:
+    void PerformCallbacks(TCallbackList &inCallbackList, SEventCommand &ioEvent);
+
+private: // Disabled Copy Construction
+    CEventCallbacks(const CEventCallbacks &);
+    CEventCallbacks &operator=(const CEventCallbacks &);
+};
+
+} // namespace Q3DStudio