1 files changed, 11 insertions, 4 deletions
diff --git a/src/datavisualization/engine/surface3dcontroller_p.h b/src/datavisualization/engine/surface3dcontroller_p.h
index 2be74f35..653f41c3 100644
--- a/src/datavisualization/engine/surface3dcontroller_p.h
+++ b/src/datavisualization/engine/surface3dcontroller_p.h
@@ -38,14 +38,16 @@ class Surface3DRenderer;
 class QSurface3DSeries;
 
 struct Surface3DChangeBitField {
-    bool selectedPointChanged     : 1;
-    bool rowsChanged              : 1;
-    bool itemChanged              : 1;
+    bool selectedPointChanged      : 1;
+    bool rowsChanged               : 1;
+    bool itemChanged               : 1;
+    bool flipHorizontalGridChanged : 1;
 
     Surface3DChangeBitField() :
         selectedPointChanged(true),
         rowsChanged(false),
-        itemChanged(false)
+        itemChanged(false),
+        flipHorizontalGridChanged(true)
     {
     }
 };
@@ -73,6 +75,7 @@ private:
     bool m_flatShadingSupported;
     QVector<ChangeItem> m_changedItems;
     QVector<ChangeRow> m_changedRows;
+    bool m_flipHorizontalGrid;
 
 public:
     explicit Surface3DController(QRect rect, Q3DScene *scene = 0);
@@ -101,6 +104,9 @@ public:
     virtual void removeSeries(QAbstract3DSeries *series);
     virtual QList<QSurface3DSeries *> surfaceSeriesList();
 
+    void setFlipHorizontalGrid(bool flip);
+    bool flipHorizontalGrid() const;
+
 public slots:
     void handleArrayReset();
     void handleRowsAdded(int startIndex, int count);
@@ -113,6 +119,7 @@ public slots:
 
 signals:
     void selectedSeriesChanged(QSurface3DSeries *series);
+    void flipHorizontalGridChanged(bool flip);
 
 private:
     Q_DISABLE_COPY(Surface3DController)