Add missing override

Change-Id: I20cec71db97cbf896255d4f6d7e947072a86e2bb
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>

36 files changed, 201 insertions, 201 deletions

diff --git a/src/datavisualization/axis/qcategory3daxis_p.h b/src/datavisualization/axis/qcategory3daxis_p.h
index 2b2f2bd9..1ce8ed5e 100644
--- a/src/datavisualization/axis/qcategory3daxis_p.h
+++ b/src/datavisualization/axis/qcategory3daxis_p.h
@@ -56,9 +56,9 @@ public:
     void setDataLabels(const QStringList &labels);
 
 protected:
-    virtual bool allowZero();
-    virtual bool allowNegatives();
-    virtual bool allowMinMaxSame();
+    bool allowZero() override;
+    bool allowNegatives() override;
+    bool allowMinMaxSame() override;
 
 private:
     QCategory3DAxis *qptr();
diff --git a/src/datavisualization/axis/qlogvalue3daxisformatter.h b/src/datavisualization/axis/qlogvalue3daxisformatter.h
index b8b5a6a7..6fd1d6c0 100644
--- a/src/datavisualization/axis/qlogvalue3daxisformatter.h
+++ b/src/datavisualization/axis/qlogvalue3daxisformatter.h
@@ -63,11 +63,11 @@ Q_SIGNALS:
     void showEdgeLabelsChanged(bool enabled);
 
 protected:
-    virtual QValue3DAxisFormatter *createNewInstance() const;
-    virtual void recalculate();
-    virtual float positionAt(float value) const;
-    virtual float valueAt(float position) const;
-    virtual void populateCopy(QValue3DAxisFormatter &copy) const;
+    QValue3DAxisFormatter *createNewInstance() const override;
+    void recalculate() override;
+    float positionAt(float value) const override;
+    float valueAt(float position) const override;
+    void populateCopy(QValue3DAxisFormatter &copy) const override;
 
     QLogValue3DAxisFormatterPrivate *dptr();
     const QLogValue3DAxisFormatterPrivate *dptrc() const;
diff --git a/src/datavisualization/axis/qvalue3daxis_p.h b/src/datavisualization/axis/qvalue3daxis_p.h
index 277ffef4..de617450 100644
--- a/src/datavisualization/axis/qvalue3daxis_p.h
+++ b/src/datavisualization/axis/qvalue3daxis_p.h
@@ -53,9 +53,9 @@ public:
     QValue3DAxisPrivate(QValue3DAxis *q);
     virtual ~QValue3DAxisPrivate();
 
-    virtual void setRange(float min, float max, bool suppressWarnings = false);
-    virtual void setMin(float min);
-    virtual void setMax (float max);
+    void setRange(float min, float max, bool suppressWarnings = false) override;
+    void setMin(float min) override;
+    void setMax (float max) override;
 
     void emitLabelsChanged();
 
@@ -63,11 +63,11 @@ Q_SIGNALS:
     void formatterDirty();
 
 protected:
-    virtual void updateLabels();
+    void updateLabels() override;
 
-    virtual bool allowZero();
-    virtual bool allowNegatives();
-    virtual bool allowMinMaxSame();
+    bool allowZero() override;
+    bool allowNegatives() override;
+    bool allowMinMaxSame() override;
 
     int m_segmentCount;
     int m_subSegmentCount;
diff --git a/src/datavisualization/data/baritemmodelhandler_p.h b/src/datavisualization/data/baritemmodelhandler_p.h
index 20126bcc..4b3acdd5 100644
--- a/src/datavisualization/data/baritemmodelhandler_p.h
+++ b/src/datavisualization/data/baritemmodelhandler_p.h
@@ -53,11 +53,11 @@ public:
     virtual ~BarItemModelHandler();
 
 public Q_SLOTS:
-    virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
-                                   const QList<int> &roles = QList<int>());
+    void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+                           const QList<int> &roles = QList<int>()) override;
 
 protected:
-    void virtual resolveModel();
+    void resolveModel() override;
 
     QItemModelBarDataProxy *m_proxy; // Not owned
     QBarDataArray *m_proxyArray; // Not owned
diff --git a/src/datavisualization/data/qbar3dseries_p.h b/src/datavisualization/data/qbar3dseries_p.h
index ba11a739..0c8f5eb9 100644
--- a/src/datavisualization/data/qbar3dseries_p.h
+++ b/src/datavisualization/data/qbar3dseries_p.h
@@ -52,9 +52,9 @@ public:
     QBar3DSeriesPrivate(QBar3DSeries *q);
     virtual ~QBar3DSeriesPrivate();
 
-    virtual void setDataProxy(QAbstractDataProxy *proxy);
-    virtual void connectControllerAndProxy(Abstract3DController *newController);
-    virtual void createItemLabel();
+    void setDataProxy(QAbstractDataProxy *proxy) override;
+    void connectControllerAndProxy(Abstract3DController *newController) override;
+    void createItemLabel() override;
 
     void handleMeshRotationChanged(const QQuaternion &rotation);
 
diff --git a/src/datavisualization/data/qbardataproxy_p.h b/src/datavisualization/data/qbardataproxy_p.h
index 04d9dc1d..f3ed2098 100644
--- a/src/datavisualization/data/qbardataproxy_p.h
+++ b/src/datavisualization/data/qbardataproxy_p.h
@@ -66,7 +66,7 @@ public:
     QPair<GLfloat, GLfloat> limitValues(int startRow, int startColumn, int rowCount,
                                         int columnCount) const;
 
-    virtual void setSeries(QAbstract3DSeries *series);
+    void setSeries(QAbstract3DSeries *series) override;
 
 private:
     QBarDataProxy *qptr();
diff --git a/src/datavisualization/data/qscatter3dseries_p.h b/src/datavisualization/data/qscatter3dseries_p.h
index c173857e..fc2f3b39 100644
--- a/src/datavisualization/data/qscatter3dseries_p.h
+++ b/src/datavisualization/data/qscatter3dseries_p.h
@@ -52,9 +52,9 @@ public:
     QScatter3DSeriesPrivate(QScatter3DSeries *q);
     virtual ~QScatter3DSeriesPrivate();
 
-    virtual void setDataProxy(QAbstractDataProxy *proxy);
-    virtual void connectControllerAndProxy(Abstract3DController *newController);
-    virtual void createItemLabel();
+    void setDataProxy(QAbstractDataProxy *proxy) override;
+    void connectControllerAndProxy(Abstract3DController *newController) override;
+    void createItemLabel() override;
 
     void setSelectedItem(int index);
     void setItemSize(float size);
diff --git a/src/datavisualization/data/qscatterdataproxy_p.h b/src/datavisualization/data/qscatterdataproxy_p.h
index 157152b0..38a3959a 100644
--- a/src/datavisualization/data/qscatterdataproxy_p.h
+++ b/src/datavisualization/data/qscatterdataproxy_p.h
@@ -67,7 +67,7 @@ public:
                      QAbstract3DAxis *axisY, QAbstract3DAxis *axisZ) const;
     bool isValidValue(float axisValue, float value, QAbstract3DAxis *axis) const;
 
-    virtual void setSeries(QAbstract3DSeries *series);
+    void setSeries(QAbstract3DSeries *series) override;
 private:
     QScatterDataProxy *qptr();
     QScatterDataArray *m_dataArray;
diff --git a/src/datavisualization/data/qsurface3dseries_p.h b/src/datavisualization/data/qsurface3dseries_p.h
index f3519a5a..33afdce5 100644
--- a/src/datavisualization/data/qsurface3dseries_p.h
+++ b/src/datavisualization/data/qsurface3dseries_p.h
@@ -52,9 +52,9 @@ public:
     QSurface3DSeriesPrivate(QSurface3DSeries *q);
     virtual ~QSurface3DSeriesPrivate();
 
-    virtual void setDataProxy(QAbstractDataProxy *proxy);
-    virtual void connectControllerAndProxy(Abstract3DController *newController);
-    virtual void createItemLabel();
+    void setDataProxy(QAbstractDataProxy *proxy) override;
+    void connectControllerAndProxy(Abstract3DController *newController) override;
+    void createItemLabel() override;
 
     void setSelectedPoint(const QPoint &position);
     void setFlatShadingEnabled(bool enabled);
diff --git a/src/datavisualization/data/qsurfacedataproxy_p.h b/src/datavisualization/data/qsurfacedataproxy_p.h
index 80443aec..bd92c15c 100644
--- a/src/datavisualization/data/qsurfacedataproxy_p.h
+++ b/src/datavisualization/data/qsurfacedataproxy_p.h
@@ -67,7 +67,7 @@ public:
                      QAbstract3DAxis *axisY, QAbstract3DAxis *axisZ) const;
     bool isValidValue(float value, QAbstract3DAxis *axis) const;
 
-    virtual void setSeries(QAbstract3DSeries *series);
+    void setSeries(QAbstract3DSeries *series) override;
 
 protected:
     QSurfaceDataArray *m_dataArray;
diff --git a/src/datavisualization/data/scatteritemmodelhandler_p.h b/src/datavisualization/data/scatteritemmodelhandler_p.h
index 8573f675..c74b2e51 100644
--- a/src/datavisualization/data/scatteritemmodelhandler_p.h
+++ b/src/datavisualization/data/scatteritemmodelhandler_p.h
@@ -53,13 +53,13 @@ public:
     virtual ~ScatterItemModelHandler();
 
 public Q_SLOTS:
-    virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
-                                   const QList<int> &roles = QList<int>());
-    virtual void handleRowsInserted(const QModelIndex &parent, int start, int end);
-    virtual void handleRowsRemoved(const QModelIndex &parent, int start, int end);
+    void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+                           const QList<int> &roles = QList<int>()) override;
+    void handleRowsInserted(const QModelIndex &parent, int start, int end) override;
+    void handleRowsRemoved(const QModelIndex &parent, int start, int end) override;
 
 protected:
-    void virtual resolveModel();
+    void resolveModel() override;
 
 private:
     void modelPosToScatterItem(int modelRow, int modelColumn, QScatterDataItem &item);
diff --git a/src/datavisualization/data/surfaceitemmodelhandler_p.h b/src/datavisualization/data/surfaceitemmodelhandler_p.h
index 6304c822..b5d83096 100644
--- a/src/datavisualization/data/surfaceitemmodelhandler_p.h
+++ b/src/datavisualization/data/surfaceitemmodelhandler_p.h
@@ -53,11 +53,11 @@ public:
     virtual ~SurfaceItemModelHandler();
 
 public Q_SLOTS:
-    virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
-                                   const QList<int> &roles = QList<int>());
+    void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
+                           const QList<int> &roles = QList<int>()) override;
 
 protected:
-    void virtual resolveModel();
+    void resolveModel() override;
 
     QItemModelSurfaceDataProxy *m_proxy; // Not owned
     QSurfaceDataArray *m_proxyArray; // Not owned
diff --git a/src/datavisualization/engine/bars3dcontroller_p.h b/src/datavisualization/engine/bars3dcontroller_p.h
index 74847ccd..dc50f773 100644
--- a/src/datavisualization/engine/bars3dcontroller_p.h
+++ b/src/datavisualization/engine/bars3dcontroller_p.h
@@ -106,8 +106,8 @@ public:
     explicit Bars3DController(QRect rect, Q3DScene *scene = 0);
     ~Bars3DController();
 
-    virtual void initializeOpenGL();
-    virtual void synchDataToRenderer();
+    void initializeOpenGL() override;
+    void synchDataToRenderer() override;
 
     void setMultiSeriesScaling(bool uniform);
     bool multiSeriesScaling() const;
@@ -126,29 +126,29 @@ public:
 
     inline QBar3DSeries *selectedSeries() const { return m_selectedBarSeries; }
 
-    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode);
+    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;
     void setSelectedBar(const QPoint &position, QBar3DSeries *series, bool enterSlice);
-    virtual void clearSelection();
+    void clearSelection() override;
 
-    virtual void handleAxisAutoAdjustRangeChangedInOrientation(
-            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust);
-    virtual void handleSeriesVisibilityChangedBySender(QObject *sender);
-    virtual void handlePendingClick();
+    void handleAxisAutoAdjustRangeChangedInOrientation(
+            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust) override;
+    void handleSeriesVisibilityChangedBySender(QObject *sender) override;
+    void handlePendingClick() override;
 
     static QPoint invalidSelectionPosition();
 
-    virtual void setAxisX(QAbstract3DAxis *axis);
-    virtual void setAxisZ(QAbstract3DAxis *axis);
+    void setAxisX(QAbstract3DAxis *axis) override;
+    void setAxisZ(QAbstract3DAxis *axis) override;
 
     virtual void setPrimarySeries(QBar3DSeries *series);
     virtual QBar3DSeries *primarySeries() const;
-    virtual void addSeries(QAbstract3DSeries *series);
-    virtual void removeSeries(QAbstract3DSeries *series);
-    virtual void insertSeries(int index, QAbstract3DSeries *series);
+    void addSeries(QAbstract3DSeries *series) override;
+    void removeSeries(QAbstract3DSeries *series) override;
+    void insertSeries(int index, QAbstract3DSeries *series) override;
     virtual QList<QBar3DSeries *> barSeriesList();
 
-    virtual void handleAxisRangeChangedBySender(QObject *sender);
-    virtual void adjustAxisRanges();
+    void handleAxisRangeChangedBySender(QObject *sender) override;
+    void adjustAxisRanges() override;
 
 public Q_SLOTS:
     void handleArrayReset();
@@ -165,7 +165,7 @@ Q_SIGNALS:
     void selectedSeriesChanged(QBar3DSeries *series);
 
 protected:
-    virtual QAbstract3DAxis *createDefaultAxis(QAbstract3DAxis::AxisOrientation orientation);
+    QAbstract3DAxis *createDefaultAxis(QAbstract3DAxis::AxisOrientation orientation) override;
 
 private:
     void adjustSelectionPosition(QPoint &pos, const QBar3DSeries *series);
diff --git a/src/datavisualization/engine/bars3drenderer_p.h b/src/datavisualization/engine/bars3drenderer_p.h
index 3ca38e39..afedeef7 100644
--- a/src/datavisualization/engine/bars3drenderer_p.h
+++ b/src/datavisualization/engine/bars3drenderer_p.h
@@ -119,25 +119,25 @@ public:
     explicit Bars3DRenderer(Bars3DController *controller);
     ~Bars3DRenderer();
 
-    void updateData();
-    void updateSeries(const QList<QAbstract3DSeries *> &seriesList);
-    SeriesRenderCache *createNewCache(QAbstract3DSeries *series);
+    void updateData() override;
+    void updateSeries(const QList<QAbstract3DSeries *> &seriesList) override;
+    SeriesRenderCache *createNewCache(QAbstract3DSeries *series) override;
     void updateRows(const QList<Bars3DController::ChangeRow> &rows);
     void updateItems(const QList<Bars3DController::ChangeItem> &items);
-    void updateScene(Q3DScene *scene);
-    void render(GLuint defaultFboHandle = 0);
+    void updateScene(Q3DScene *scene) override;
+    void render(GLuint defaultFboHandle = 0) override;
 
-    QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute);
+    QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute) override;
 
-    void updateAspectRatio(float ratio);
+    void updateAspectRatio(float ratio) override;
     void updateFloorLevel(float level);
-    void updateMargin(float margin);
+    void updateMargin(float margin) override;
 
 protected:
-    void contextCleanup();
-    virtual void initializeOpenGL();
-    virtual void fixCameraTarget(QVector3D &target);
-    virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds);
+    void contextCleanup() override;
+    void initializeOpenGL() override;
+    void fixCameraTarget(QVector3D &target) override;
+    void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds) override;
 
 public Q_SLOTS:
     void updateMultiSeriesScaling(bool uniform);
@@ -150,17 +150,17 @@ public Q_SLOTS:
     void resetClickedStatus();
 
     // Overloaded from abstract renderer
-    virtual void updateAxisRange(QAbstract3DAxis::AxisOrientation orientation, float min,
-                                 float max);
-    virtual void updateAxisReversed(QAbstract3DAxis::AxisOrientation orientation,
-                                    bool enable);
+    void updateAxisRange(QAbstract3DAxis::AxisOrientation orientation, float min,
+                         float max) override;
+    void updateAxisReversed(QAbstract3DAxis::AxisOrientation orientation,
+                            bool enable) override;
 
 private:
-    virtual void initShaders(const QString &vertexShader, const QString &fragmentShader);
-    virtual void initGradientShaders(const QString &vertexShader, const QString &fragmentShader);
-    virtual void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality);
-    virtual void updateTextures();
-    virtual void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh);
+    void initShaders(const QString &vertexShader, const QString &fragmentShader) override;
+    void initGradientShaders(const QString &vertexShader, const QString &fragmentShader) override;
+    void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality) override;
+    void updateTextures() override;
+    void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh) override;
 
     void drawSlicedScene();
     void drawScene(GLuint defaultFboHandle);
@@ -180,10 +180,10 @@ private:
 
     void loadBackgroundMesh();
     void initSelectionShader();
-    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader);
-    void initSelectionBuffer();
+    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader) override;
+    void initSelectionBuffer() override;
     void initDepthShader();
-    void updateDepthBuffer();
+    void updateDepthBuffer() override;
     void calculateSceneScalingFactors();
     void calculateHeightAdjustment();
     Abstract3DController::SelectionType isSelected(int row, int bar,
diff --git a/src/datavisualization/engine/barseriesrendercache_p.h b/src/datavisualization/engine/barseriesrendercache_p.h
index 9b2ae1e1..f4ffd0c5 100644
--- a/src/datavisualization/engine/barseriesrendercache_p.h
+++ b/src/datavisualization/engine/barseriesrendercache_p.h
@@ -53,7 +53,7 @@ public:
     BarSeriesRenderCache(QAbstract3DSeries *series, Abstract3DRenderer *renderer);
     virtual ~BarSeriesRenderCache();
 
-    void cleanup(TextureHelper *texHelper);
+    void cleanup(TextureHelper *texHelper) override;
 
     inline BarRenderItemArray &renderArray() { return m_renderArray; }
     inline QBar3DSeries *series() const { return static_cast<QBar3DSeries *>(m_series); }
diff --git a/src/datavisualization/engine/q3dbars_p.h b/src/datavisualization/engine/q3dbars_p.h
index de581071..d9df2a6f 100644
--- a/src/datavisualization/engine/q3dbars_p.h
+++ b/src/datavisualization/engine/q3dbars_p.h
@@ -54,9 +54,9 @@ public:
     Q3DBarsPrivate(Q3DBars *q);
     ~Q3DBarsPrivate();
 
-    void handleAxisXChanged(QAbstract3DAxis *axis);
-    void handleAxisYChanged(QAbstract3DAxis *axis);
-    void handleAxisZChanged(QAbstract3DAxis *axis);
+    void handleAxisXChanged(QAbstract3DAxis *axis) override;
+    void handleAxisYChanged(QAbstract3DAxis *axis) override;
+    void handleAxisZChanged(QAbstract3DAxis *axis) override;
 
     Q3DBars *qptr();
 
diff --git a/src/datavisualization/engine/q3dcamera.h b/src/datavisualization/engine/q3dcamera.h
index 9ef4a1b8..ec146f5d 100644
--- a/src/datavisualization/engine/q3dcamera.h
+++ b/src/datavisualization/engine/q3dcamera.h
@@ -93,7 +93,7 @@ public:
     bool wrapYRotation() const;
     void setWrapYRotation(bool isEnabled);
 
-    virtual void copyValuesFrom(const Q3DObject &source);
+    void copyValuesFrom(const Q3DObject &source) override;
 
     CameraPreset cameraPreset() const;
     void setCameraPreset(CameraPreset preset);
diff --git a/src/datavisualization/engine/q3dscatter_p.h b/src/datavisualization/engine/q3dscatter_p.h
index 748fc2e9..424a0bd1 100644
--- a/src/datavisualization/engine/q3dscatter_p.h
+++ b/src/datavisualization/engine/q3dscatter_p.h
@@ -54,9 +54,9 @@ public:
     Q3DScatterPrivate(Q3DScatter *q);
     ~Q3DScatterPrivate();
 
-    void handleAxisXChanged(QAbstract3DAxis *axis);
-    void handleAxisYChanged(QAbstract3DAxis *axis);
-    void handleAxisZChanged(QAbstract3DAxis *axis);
+    void handleAxisXChanged(QAbstract3DAxis *axis) override;
+    void handleAxisYChanged(QAbstract3DAxis *axis) override;
+    void handleAxisZChanged(QAbstract3DAxis *axis) override;
 
     Q3DScatter *qptr();
 
diff --git a/src/datavisualization/engine/q3dsurface_p.h b/src/datavisualization/engine/q3dsurface_p.h
index c9c22d63..2ca65194 100644
--- a/src/datavisualization/engine/q3dsurface_p.h
+++ b/src/datavisualization/engine/q3dsurface_p.h
@@ -54,9 +54,9 @@ public:
     Q3DSurfacePrivate(Q3DSurface *q);
     ~Q3DSurfacePrivate();
 
-    void handleAxisXChanged(QAbstract3DAxis *axis);
-    void handleAxisYChanged(QAbstract3DAxis *axis);
-    void handleAxisZChanged(QAbstract3DAxis *axis);
+    void handleAxisXChanged(QAbstract3DAxis *axis) override;
+    void handleAxisYChanged(QAbstract3DAxis *axis) override;
+    void handleAxisZChanged(QAbstract3DAxis *axis) override;
 
     Q3DSurface *qptr();
 
diff --git a/src/datavisualization/engine/qabstract3dgraph.h b/src/datavisualization/engine/qabstract3dgraph.h
index a59259d1..a373f9f3 100644
--- a/src/datavisualization/engine/qabstract3dgraph.h
+++ b/src/datavisualization/engine/qabstract3dgraph.h
@@ -197,17 +197,17 @@ public:
     bool hasContext() const;
 
 protected:
-    bool event(QEvent *event);
-    void resizeEvent(QResizeEvent *event);
-    void exposeEvent(QExposeEvent *event);
-
-    void mouseDoubleClickEvent(QMouseEvent *event);
-    void touchEvent(QTouchEvent *event);
-    void mousePressEvent(QMouseEvent *event);
-    void mouseReleaseEvent(QMouseEvent *event);
-    void mouseMoveEvent(QMouseEvent *event);
+    bool event(QEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
+    void exposeEvent(QExposeEvent *event) override;
+
+    void mouseDoubleClickEvent(QMouseEvent *event) override;
+    void touchEvent(QTouchEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
 #if QT_CONFIG(wheelevent)
-    void wheelEvent(QWheelEvent *event);
+    void wheelEvent(QWheelEvent *event) override;
 #endif
 
 Q_SIGNALS:
diff --git a/src/datavisualization/engine/scatter3dcontroller_p.h b/src/datavisualization/engine/scatter3dcontroller_p.h
index 46acd282..47231267 100644
--- a/src/datavisualization/engine/scatter3dcontroller_p.h
+++ b/src/datavisualization/engine/scatter3dcontroller_p.h
@@ -107,28 +107,28 @@ public:
     explicit Scatter3DController(QRect rect, Q3DScene *scene = 0);
     ~Scatter3DController();
 
-    virtual void initializeOpenGL();
+    void initializeOpenGL() override;
 
     // Change selection mode
-    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode);
+    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;
 
     inline QScatter3DSeries *selectedSeries() const { return m_selectedItemSeries; }
 
     void setSelectedItem(int index, QScatter3DSeries *series);
     static inline int invalidSelectionIndex() { return -1; }
-    virtual void clearSelection();
+    void clearSelection() override;
 
-    void synchDataToRenderer();
+    void synchDataToRenderer() override;
 
-    virtual void addSeries(QAbstract3DSeries *series);
-    virtual void removeSeries(QAbstract3DSeries *series);
+    void addSeries(QAbstract3DSeries *series) override;
+    void removeSeries(QAbstract3DSeries *series) override;
     virtual QList<QScatter3DSeries *> scatterSeriesList();
 
-    virtual void handleAxisAutoAdjustRangeChangedInOrientation(
-            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust);
-    virtual void handleAxisRangeChangedBySender(QObject *sender);
-    virtual void handlePendingClick();
-    virtual void adjustAxisRanges();
+    void handleAxisAutoAdjustRangeChangedInOrientation(
+            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust) override;
+    void handleAxisRangeChangedBySender(QObject *sender) override;
+    void handlePendingClick() override;
+    void adjustAxisRanges() override;
 
 public Q_SLOTS:
     void handleArrayReset();
@@ -141,7 +141,7 @@ Q_SIGNALS:
     void selectedSeriesChanged(QScatter3DSeries *series);
 
 protected:
-    virtual void startRecordingRemovesAndInserts();
+    void startRecordingRemovesAndInserts() override;
 
 private:
 
diff --git a/src/datavisualization/engine/scatter3drenderer_p.h b/src/datavisualization/engine/scatter3drenderer_p.h
index f0366e0c..d41e3e0a 100644
--- a/src/datavisualization/engine/scatter3drenderer_p.h
+++ b/src/datavisualization/engine/scatter3drenderer_p.h
@@ -97,44 +97,44 @@ public:
     explicit Scatter3DRenderer(Scatter3DController *controller);
     ~Scatter3DRenderer();
 
-    void updateData();
-    void updateSeries(const QList<QAbstract3DSeries *> &seriesList);
-    SeriesRenderCache *createNewCache(QAbstract3DSeries *series);
+    void updateData() override;
+    void updateSeries(const QList<QAbstract3DSeries *> &seriesList) override;
+    SeriesRenderCache *createNewCache(QAbstract3DSeries *series) override;
     void updateItems(const QList<Scatter3DController::ChangeItem> &items);
-    void updateScene(Q3DScene *scene);
+    void updateScene(Q3DScene *scene) override;
     void updateAxisLabels(QAbstract3DAxis::AxisOrientation orientation,
-                          const QStringList &labels);
+                          const QStringList &labels) override;
     void updateAxisTitleVisibility(QAbstract3DAxis::AxisOrientation orientation,
-                                   bool visible);
-    void updateOptimizationHint(QAbstract3DGraph::OptimizationHints hint);
-    void updateMargin(float margin);
+                                   bool visible) override;
+    void updateOptimizationHint(QAbstract3DGraph::OptimizationHints hint) override;
+    void updateMargin(float margin) override;
 
-    QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute);
+    QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute) override;
 
     inline int clickedIndex() const { return m_clickedIndex; }
     void resetClickedStatus();
 
-    void render(GLuint defaultFboHandle);
+    void render(GLuint defaultFboHandle) override;
 
 public Q_SLOTS:
     void updateSelectedItem(int index, QScatter3DSeries *series);
 
 protected:
-    void contextCleanup();
-    virtual void initializeOpenGL();
-    virtual void fixCameraTarget(QVector3D &target);
-    virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds);
+    void contextCleanup() override;
+    void initializeOpenGL() override;
+    void fixCameraTarget(QVector3D &target) override;
+    void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds) override;
 
 private:
-    virtual void initShaders(const QString &vertexShader, const QString &fragmentShader);
-    virtual void initGradientShaders(const QString &vertexShader, const QString &fragmentShader);
-    virtual void initStaticSelectedItemShaders(const QString &vertexShader,
-                                               const QString &fragmentShader,
-                                               const QString &gradientVertexShader,
-                                               const QString &gradientFragmentShader);
-    virtual void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality);
-    virtual void updateTextures();
-    virtual void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh);
+    void initShaders(const QString &vertexShader, const QString &fragmentShader) override;
+    void initGradientShaders(const QString &vertexShader, const QString &fragmentShader) override;
+    void initStaticSelectedItemShaders(const QString &vertexShader,
+                                       const QString &fragmentShader,
+                                       const QString &gradientVertexShader,
+                                       const QString &gradientFragmentShader) override;
+    void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality) override;
+    void updateTextures() override;
+    void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh) override;
 
     void drawScene(GLuint defaultFboHandle);
     void drawLabels(bool drawSelection, const Q3DCamera *activeCamera,
@@ -142,11 +142,11 @@ private:
 
     void loadBackgroundMesh();
     void initSelectionShader();
-    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader);
+    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader) override;
     void initStaticPointShaders(const QString &vertexShader, const QString &fragmentShader);
-    void initSelectionBuffer();
+    void initSelectionBuffer() override;
     void initDepthShader();
-    void updateDepthBuffer();
+    void updateDepthBuffer() override;
     void initPointShader();
     void calculateTranslation(ScatterRenderItem &item);
     void calculateSceneScalingFactors();
diff --git a/src/datavisualization/engine/scatterseriesrendercache_p.h b/src/datavisualization/engine/scatterseriesrendercache_p.h
index 8f858d0f..94832918 100644
--- a/src/datavisualization/engine/scatterseriesrendercache_p.h
+++ b/src/datavisualization/engine/scatterseriesrendercache_p.h
@@ -56,7 +56,7 @@ public:
     ScatterSeriesRenderCache(QAbstract3DSeries *series, Abstract3DRenderer *renderer);
     virtual ~ScatterSeriesRenderCache();
 
-    void cleanup(TextureHelper *texHelper);
+    void cleanup(TextureHelper *texHelper) override;
 
     inline ScatterRenderItemArray &renderArray() { return m_renderArray; }
     inline QScatter3DSeries *series() const { return static_cast<QScatter3DSeries *>(m_series); }
diff --git a/src/datavisualization/engine/surface3dcontroller_p.h b/src/datavisualization/engine/surface3dcontroller_p.h
index 8cbfeb60..1177f77d 100644
--- a/src/datavisualization/engine/surface3dcontroller_p.h
+++ b/src/datavisualization/engine/surface3dcontroller_p.h
@@ -95,27 +95,27 @@ public:
     explicit Surface3DController(QRect rect, Q3DScene *scene = 0);
     ~Surface3DController();
 
-    virtual void initializeOpenGL();
-    virtual void synchDataToRenderer();
+    void initializeOpenGL() override;
+    void synchDataToRenderer() override;
 
-    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode);
+    void setSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;
     void setSelectedPoint(const QPoint &position, QSurface3DSeries *series, bool enterSlice);
-    virtual void clearSelection();
+    void clearSelection() override;
 
     inline QSurface3DSeries *selectedSeries() const { return m_selectedSeries; }
 
-    virtual void handleAxisAutoAdjustRangeChangedInOrientation(
-            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust);
-    virtual void handleAxisRangeChangedBySender(QObject *sender);
-    virtual void handleSeriesVisibilityChangedBySender(QObject *sender);
-    virtual void handlePendingClick();
-    virtual void adjustAxisRanges();
+    void handleAxisAutoAdjustRangeChangedInOrientation(
+            QAbstract3DAxis::AxisOrientation orientation, bool autoAdjust) override;
+    void handleAxisRangeChangedBySender(QObject *sender) override;
+    void handleSeriesVisibilityChangedBySender(QObject *sender) override;
+    void handlePendingClick() override;
+    void adjustAxisRanges() override;
 
     static QPoint invalidSelectionPosition();
     bool isFlatShadingSupported();
 
-    virtual void addSeries(QAbstract3DSeries *series);
-    virtual void removeSeries(QAbstract3DSeries *series);
+    void addSeries(QAbstract3DSeries *series) override;
+    void removeSeries(QAbstract3DSeries *series) override;
     virtual QList<QSurface3DSeries *> surfaceSeriesList();
 
     void setFlipHorizontalGrid(bool flip);
diff --git a/src/datavisualization/engine/surface3drenderer_p.h b/src/datavisualization/engine/surface3drenderer_p.h
index d527f248..9c45cdb5 100644
--- a/src/datavisualization/engine/surface3drenderer_p.h
+++ b/src/datavisualization/engine/surface3drenderer_p.h
@@ -92,34 +92,34 @@ public:
     explicit Surface3DRenderer(Surface3DController *controller);
     ~Surface3DRenderer();
 
-    void updateData();
-    void updateSeries(const QList<QAbstract3DSeries *> &seriesList);
+    void updateData() override;
+    void updateSeries(const QList<QAbstract3DSeries *> &seriesList) override;
     void updateSurfaceTextures(QList<QSurface3DSeries *> seriesList);
-    SeriesRenderCache *createNewCache(QAbstract3DSeries *series);
-    void cleanCache(SeriesRenderCache *cache);
-    void updateSelectionMode(QAbstract3DGraph::SelectionFlags mode);
+    SeriesRenderCache *createNewCache(QAbstract3DSeries *series) override;
+    void cleanCache(SeriesRenderCache *cache) override;
+    void updateSelectionMode(QAbstract3DGraph::SelectionFlags mode) override;
     void updateRows(const QList<Surface3DController::ChangeRow> &rows);
     void updateItems(const QList<Surface3DController::ChangeItem> &points);
-    void updateScene(Q3DScene *scene);
+    void updateScene(Q3DScene *scene) override;
     void updateSlicingActive(bool isSlicing);
     void updateSelectedPoint(const QPoint &position, QSurface3DSeries *series);
     void updateFlipHorizontalGrid(bool flip);
     inline QPoint clickedPosition() const { return m_clickedPosition; }
     void resetClickedStatus();
-    QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute);
+    QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute) override;
     void updateAxisLabels(QAbstract3DAxis::AxisOrientation orientation,
-                          const QStringList &labels);
+                          const QStringList &labels) override;
     void updateAxisTitleVisibility(QAbstract3DAxis::AxisOrientation orientation,
-                                   bool visible);
-    void updateMargin(float margin);
+                                   bool visible) override;
+    void updateMargin(float margin) override;
 
-    void render(GLuint defaultFboHandle = 0);
+    void render(GLuint defaultFboHandle = 0) override;
 
 protected:
-    void contextCleanup();
-    void initializeOpenGL();
-    virtual void fixCameraTarget(QVector3D &target);
-    virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds);
+    void contextCleanup() override;
+    void initializeOpenGL() override;
+    virtual void fixCameraTarget(QVector3D &target) override;
+    virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds) override;
 
 Q_SIGNALS:
     void flatShadingSupportedChanged(bool supported);
@@ -132,9 +132,9 @@ private:
     void findMatchingRow(float z, int &sample, int direction, QSurfaceDataArray &dataArray);
     void findMatchingColumn(float x, int &sample, int direction, QSurfaceDataArray &dataArray);
     void updateSliceObject(SurfaceSeriesRenderCache *cache, const QPoint &point);
-    void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality);
-    void updateTextures();
-    void initShaders(const QString &vertexShader, const QString &fragmentShader);
+    void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality) override;
+    void updateTextures() override;
+    void initShaders(const QString &vertexShader, const QString &fragmentShader) override;
     QRect calculateSampleRect(const QSurfaceDataArray &array);
     void loadBackgroundMesh();
 
@@ -144,10 +144,10 @@ private:
                     const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix);
 
     void calculateSceneScalingFactors();
-    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader);
+    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader) override;
     void initSelectionShaders();
     void initSurfaceShaders();
-    void initSelectionBuffer();
+    void initSelectionBuffer() override;
     void initDepthShader();
     void updateSelectionTextures();
     void createSelectionTexture(SurfaceSeriesRenderCache *cache, uint &lastSelectionId);
@@ -156,7 +156,7 @@ private:
     void surfacePointSelected(const QPoint &point);
     void updateSelectionPoint(SurfaceSeriesRenderCache *cache, const QPoint &point, bool label);
     QPoint selectionIdToSurfacePoint(uint id);
-    void updateDepthBuffer();
+    void updateDepthBuffer() override;
     void emitSelectedPointChanged(QPoint position);
 
     Q_DISABLE_COPY(Surface3DRenderer)
diff --git a/src/datavisualization/engine/surfaceseriesrendercache_p.h b/src/datavisualization/engine/surfaceseriesrendercache_p.h
index 4d435cd5..4741e568 100644
--- a/src/datavisualization/engine/surfaceseriesrendercache_p.h
+++ b/src/datavisualization/engine/surfaceseriesrendercache_p.h
@@ -58,8 +58,8 @@ public:
     SurfaceSeriesRenderCache(QAbstract3DSeries *series, Surface3DRenderer *renderer);
     virtual ~SurfaceSeriesRenderCache();
 
-    virtual void populate(bool newSeries);
-    virtual void cleanup(TextureHelper *texHelper);
+    void populate(bool newSeries) override;
+    void cleanup(TextureHelper *texHelper) override;
 
     inline bool surfaceVisible() const { return m_surfaceVisible; }
     inline bool surfaceGridVisible() const { return m_surfaceGridVisible; }
diff --git a/src/datavisualization/input/q3dinputhandler.h b/src/datavisualization/input/q3dinputhandler.h
index df3d5cb6..bbc3ff0f 100644
--- a/src/datavisualization/input/q3dinputhandler.h
+++ b/src/datavisualization/input/q3dinputhandler.h
@@ -58,11 +58,11 @@ public:
     bool isZoomAtTargetEnabled() const;
 
     // Input event listeners
-    virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
-    virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
-    virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
+    void mousePressEvent(QMouseEvent *event, const QPoint &mousePos) override;
+    void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos) override;
+    void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos) override;
 #if QT_CONFIG(wheelevent)
-    virtual void wheelEvent(QWheelEvent *event);
+    void wheelEvent(QWheelEvent *event) override;
 #endif
 
 Q_SIGNALS:
diff --git a/src/datavisualization/input/qtouch3dinputhandler.h b/src/datavisualization/input/qtouch3dinputhandler.h
index 468cd67f..8ef0fcbb 100644
--- a/src/datavisualization/input/qtouch3dinputhandler.h
+++ b/src/datavisualization/input/qtouch3dinputhandler.h
@@ -45,7 +45,7 @@ public:
     virtual ~QTouch3DInputHandler();
 
     // Input event listeners
-    virtual void touchEvent(QTouchEvent *event);
+    void touchEvent(QTouchEvent *event) override;
 
 private:
     Q_DISABLE_COPY(QTouch3DInputHandler)
diff --git a/src/datavisualization/utils/surfaceobject_p.h b/src/datavisualization/utils/surfaceobject_p.h
index 532f7692..6193d98e 100644
--- a/src/datavisualization/utils/surfaceobject_p.h
+++ b/src/datavisualization/utils/surfaceobject_p.h
@@ -88,7 +88,7 @@ public:
     void createCoarseGridlineIndices(int x, int y, int endX, int endY);
     void uploadBuffers();
     GLuint gridElementBuf();
-    GLuint uvBuf();
+    GLuint uvBuf() override;
     GLuint gridIndexCount();
     QVector3D vertexAt(int column, int row);
     void clear();
diff --git a/src/datavisualizationqml2/abstractdeclarative_p.h b/src/datavisualizationqml2/abstractdeclarative_p.h
index 18cca6e2..5bfc41c9 100644
--- a/src/datavisualizationqml2/abstractdeclarative_p.h
+++ b/src/datavisualizationqml2/abstractdeclarative_p.h
@@ -181,7 +181,7 @@ public:
     static QCustom3DItem *atCustomItemFunc(QQmlListProperty<QCustom3DItem> *list, int index);
     static void clearCustomItemFunc(QQmlListProperty<QCustom3DItem> *list);
 
-    virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
+    void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
 
     void setSharedController(Abstract3DController *controller);
     // Used to synch up data model from controller to renderer while main thread is locked
@@ -239,22 +239,22 @@ public Q_SLOTS:
     void destroyContext();
 
 protected:
-    virtual void mouseDoubleClickEvent(QMouseEvent *event);
-    virtual void touchEvent(QTouchEvent *event);
-    virtual void mousePressEvent(QMouseEvent *event);
-    virtual void mouseReleaseEvent(QMouseEvent *event);
-    virtual void mouseMoveEvent(QMouseEvent *event);
+    void mouseDoubleClickEvent(QMouseEvent *event) override;
+    void touchEvent(QTouchEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
 #if QT_CONFIG(wheelevent)
-    virtual void wheelEvent(QWheelEvent *event);
+    void wheelEvent(QWheelEvent *event) override;
 #endif
     virtual void handleWindowChanged(QQuickWindow *win);
-    virtual void itemChange(ItemChange change, const ItemChangeData &value);
+    void itemChange(ItemChange change, const ItemChangeData &value) override;
     virtual void updateWindowParameters();
     virtual void handleSelectionModeChange(QAbstract3DGraph::SelectionFlags mode);
     virtual void handleShadowQualityChange(QAbstract3DGraph::ShadowQuality quality);
     virtual void handleSelectedElementChange(QAbstract3DGraph::ElementType type);
     virtual void handleOptimizationHintChange(QAbstract3DGraph::OptimizationHints hints);
-    virtual QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);
+    QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *) override;
 
 Q_SIGNALS:
     void selectionModeChanged(AbstractDeclarative::SelectionFlags mode);
diff --git a/src/datavisualizationqml2/datavisualizationqml2_plugin.h b/src/datavisualizationqml2/datavisualizationqml2_plugin.h
index 5bc19b4d..d997f8c1 100644
--- a/src/datavisualizationqml2/datavisualizationqml2_plugin.h
+++ b/src/datavisualizationqml2/datavisualizationqml2_plugin.h
@@ -126,7 +126,7 @@ class QtDataVisualizationQml2Plugin : public QQmlExtensionPlugin
 
 public:
     QtDataVisualizationQml2Plugin(QObject *parent = 0) : QQmlExtensionPlugin(parent) { }
-    void registerTypes(const char *uri);
+    void registerTypes(const char *uri) override;
 };
 
 QT_END_NAMESPACE_DATAVISUALIZATION
diff --git a/src/datavisualizationqml2/declarativebars_p.h b/src/datavisualizationqml2/declarativebars_p.h
index 2fe6a602..1f48b73e 100644
--- a/src/datavisualizationqml2/declarativebars_p.h
+++ b/src/datavisualizationqml2/declarativebars_p.h
@@ -101,9 +101,9 @@ public:
     float floorLevel() const;
 
 public Q_SLOTS:
-    void handleAxisXChanged(QAbstract3DAxis *axis);
-    void handleAxisYChanged(QAbstract3DAxis *axis);
-    void handleAxisZChanged(QAbstract3DAxis *axis);
+    void handleAxisXChanged(QAbstract3DAxis *axis) override;
+    void handleAxisYChanged(QAbstract3DAxis *axis) override;
+    void handleAxisZChanged(QAbstract3DAxis *axis) override;
 
 Q_SIGNALS:
     void rowAxisChanged(QCategory3DAxis *axis);
diff --git a/src/datavisualizationqml2/declarativerendernode_p.h b/src/datavisualizationqml2/declarativerendernode_p.h
index 08da5163..99ae2aac 100644
--- a/src/datavisualizationqml2/declarativerendernode_p.h
+++ b/src/datavisualizationqml2/declarativerendernode_p.h
@@ -72,7 +72,7 @@ public:
     void setQuickWindow(QQuickWindow *window);
     void setSamples(int samples);
 
-    void preprocess();
+    void preprocess() override;
 
 public Q_SLOTS:
     void handleControllerDestroyed();
diff --git a/src/datavisualizationqml2/declarativescatter_p.h b/src/datavisualizationqml2/declarativescatter_p.h
index f164a482..6323c9ca 100644
--- a/src/datavisualizationqml2/declarativescatter_p.h
+++ b/src/datavisualizationqml2/declarativescatter_p.h
@@ -79,9 +79,9 @@ public:
     QScatter3DSeries *selectedSeries() const;
 
 public Q_SLOTS:
-    void handleAxisXChanged(QAbstract3DAxis *axis);
-    void handleAxisYChanged(QAbstract3DAxis *axis);
-    void handleAxisZChanged(QAbstract3DAxis *axis);
+    void handleAxisXChanged(QAbstract3DAxis *axis) override;
+    void handleAxisYChanged(QAbstract3DAxis *axis) override;
+    void handleAxisZChanged(QAbstract3DAxis *axis) override;
 
 Q_SIGNALS:
     void axisXChanged(QValue3DAxis *axis);
diff --git a/src/datavisualizationqml2/declarativesurface_p.h b/src/datavisualizationqml2/declarativesurface_p.h
index d78f20c0..a23fe389 100644
--- a/src/datavisualizationqml2/declarativesurface_p.h
+++ b/src/datavisualizationqml2/declarativesurface_p.h
@@ -82,9 +82,9 @@ public:
     bool flipHorizontalGrid() const;
 
 public Q_SLOTS:
-    void handleAxisXChanged(QAbstract3DAxis *axis);
-    void handleAxisYChanged(QAbstract3DAxis *axis);
-    void handleAxisZChanged(QAbstract3DAxis *axis);
+    void handleAxisXChanged(QAbstract3DAxis *axis) override;
+    void handleAxisYChanged(QAbstract3DAxis *axis) override;
+    void handleAxisZChanged(QAbstract3DAxis *axis) override;
 
 Q_SIGNALS:
     void axisXChanged(QValue3DAxis *axis);
diff --git a/src/datavisualizationqml2/declarativetheme_p.h b/src/datavisualizationqml2/declarativetheme_p.h
index 6934cbd6..c0f44404 100644
--- a/src/datavisualizationqml2/declarativetheme_p.h
+++ b/src/datavisualizationqml2/declarativetheme_p.h
@@ -88,8 +88,8 @@ public:
     ColorGradient *multiHighlightGradient() const;
 
     // From QQmlParserStatus
-    virtual void classBegin();
-    virtual void componentComplete();
+    void classBegin() override;
+    void componentComplete() override;
 
 Q_SIGNALS:
     void singleHighlightGradientChanged(ColorGradient *gradient);