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diff --git a/src/datavisualizationqml2/declarativescene_p.h b/src/datavisualizationqml2/declarativescene_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 QtDataVisualization 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 QtDataVisualization 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 DECLARATIVESCENE_P_H
+#define DECLARATIVESCENE_P_H
+
+#include "datavisualizationglobal_p.h"
+#include "q3dscene.h"
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+class Declarative3DScene : public Q3DScene
+{
+    Q_OBJECT
+    // This property is overloaded to use QPointF instead of QPoint to work around qml bug
+    // where Qt.point(0, 0) can't be assigned due to error "Cannot assign QPointF to QPoint".
+    Q_PROPERTY(QPointF selectionQueryPosition READ selectionQueryPosition WRITE setSelectionQueryPosition NOTIFY selectionQueryPositionChanged)
+    // This is static method in parent class, overload as constant property for qml.
+    Q_PROPERTY(QPoint invalidSelectionPoint READ invalidSelectionPoint CONSTANT)
+
+public:
+    Declarative3DScene(QObject *parent = 0);
+    virtual ~Declarative3DScene();
+
+    void setSelectionQueryPosition(const QPointF &point);
+    QPointF selectionQueryPosition() const;
+    QPoint invalidSelectionPoint() const;
+
+signals:
+    void selectionQueryPositionChanged(const QPointF position);
+};
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+
+#endif