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diff --git a/src/datavis3d/engine/scatter3dcontroller_p.h b/src/datavis3d/engine/scatter3dcontroller_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVis3D module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the QtDataVis3D API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Q3DSCATTERCONTROLLER_p_H
+#define Q3DSCATTERCONTROLLER_p_H
+
+#include "datavis3dglobal_p.h"
+#include "abstract3dcontroller_p.h"
+
+//#define DISPLAY_RENDER_SPEED
+
+QT_DATAVIS3D_BEGIN_NAMESPACE
+
+class Scatter3DRenderer;
+class QScatterDataProxy;
+
+struct Scatter3DChangeBitField {
+    bool slicingActiveChanged     : 1;
+
+    Scatter3DChangeBitField() :
+        slicingActiveChanged(true)
+    {
+    }
+};
+
+class QT_DATAVIS3D_EXPORT Scatter3DController : public Abstract3DController
+{
+    Q_OBJECT
+
+private:
+    Scatter3DChangeBitField m_changeTracker;
+
+    // Interaction
+    MouseState m_mouseState;
+    QPoint m_mousePos;
+    bool m_isSlicingActivated;
+
+    // Rendering
+    Scatter3DRenderer *m_renderer;
+    QScatterDataProxy *m_data;
+
+public:
+    explicit Scatter3DController(QRect rect);
+    ~Scatter3DController();
+
+    void initializeOpenGL();
+
+    MouseState mouseState();
+    QPoint mousePosition();
+
+    bool isSlicingActive();
+    void setSlicingActive(bool isSlicing);
+
+    QMatrix4x4 calculateViewMatrix(int zoom, int viewPortWidth, int viewPortHeight,
+                                   bool showUnder = false);
+
+    // Object type
+    void setObjectType(QDataVis::MeshStyle style, bool smooth = false);
+
+    // Change selection mode
+    void setSelectionMode(QDataVis::SelectionMode mode);
+
+#if defined(Q_OS_ANDROID)
+    void mouseDoubleClickEvent(QMouseEvent *event);
+    void touchEvent(QTouchEvent *event);
+#endif
+    void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
+    void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
+    void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
+    void wheelEvent(QWheelEvent *event);
+
+    // Sets the data proxy. Assumes ownership of the data proxy. Deletes old proxy.
+    void setDataProxy(QScatterDataProxy *proxy);
+    QScatterDataProxy *dataProxy();
+
+    void synchDataToRenderer();
+
+    virtual void handleAxisAutoAdjustRangeChangedInOrientation(QAbstractAxis::AxisOrientation orientation, bool autoAdjust);
+
+public slots:
+    void handleArrayReset();
+    void handleItemsAdded(int startIndex, int count);
+    void handleItemsChanged(int startIndex, int count);
+    void handleItemsRemoved(int startIndex, int count);
+    void handleItemsInserted(int startIndex, int count);
+
+signals:
+    void slicingActiveChanged(bool isSlicing);
+
+private:
+    void adjustValueAxisRange();
+
+    Q_DISABLE_COPY(Scatter3DController)
+};
+
+
+QT_DATAVIS3D_END_NAMESPACE
+
+#endif