Add Q_DECL_OVERRIDE in the src subdirectory

Done automatically with clang-modernize on linux

(But does not add Q_DECL_OVERRIDE to the function that are marked
 as inline because it a compilation error with MSVC2010)

Change-Id: I2196ee26e3e6fe20816834ecea5ea389eeab3171
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

16 files changed, 236 insertions, 236 deletions

diff --git a/src/widgets/graphicsview/qgraphicsanchorlayout.h b/src/widgets/graphicsview/qgraphicsanchorlayout.h
index 13494dd81a..cec85f8430 100644
--- a/src/widgets/graphicsview/qgraphicsanchorlayout.h
+++ b/src/widgets/graphicsview/qgraphicsanchorlayout.h
@@ -92,14 +92,14 @@ public:
     qreal horizontalSpacing() const;
     qreal verticalSpacing() const;
 
-    void removeAt(int index);
-    void setGeometry(const QRectF &rect);
-    int count() const;
-    QGraphicsLayoutItem *itemAt(int index) const;
+    void removeAt(int index) Q_DECL_OVERRIDE;
+    void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE;
+    int count() const Q_DECL_OVERRIDE;
+    QGraphicsLayoutItem *itemAt(int index) const Q_DECL_OVERRIDE;
 
-    void invalidate();
+    void invalidate() Q_DECL_OVERRIDE;
 protected:
-    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsAnchorLayout)
diff --git a/src/widgets/graphicsview/qgraphicsanchorlayout_p.h b/src/widgets/graphicsview/qgraphicsanchorlayout_p.h
index 457a5a2769..96ca7544ee 100644
--- a/src/widgets/graphicsview/qgraphicsanchorlayout_p.h
+++ b/src/widgets/graphicsview/qgraphicsanchorlayout_p.h
@@ -189,7 +189,7 @@ struct SequentialAnchorData : public AnchorData
 #endif
     }
 
-    virtual void updateChildrenSizes();
+    virtual void updateChildrenSizes() Q_DECL_OVERRIDE;
     void calculateSizeHints();
 
     QVector<AnchorVertex*> m_children;          // list of vertices in the sequence
@@ -217,7 +217,7 @@ struct ParallelAnchorData : public AnchorData
 #endif
     }
 
-    virtual void updateChildrenSizes();
+    virtual void updateChildrenSizes() Q_DECL_OVERRIDE;
     bool calculateSizeHints();
 
     bool secondForward() const {
diff --git a/src/widgets/graphicsview/qgraphicsgridlayout.h b/src/widgets/graphicsview/qgraphicsgridlayout.h
index 26b6daa96f..43400c3ce4 100644
--- a/src/widgets/graphicsview/qgraphicsgridlayout.h
+++ b/src/widgets/graphicsview/qgraphicsgridlayout.h
@@ -100,16 +100,16 @@ public:
     QGraphicsLayoutItem *itemAt(int row, int column) const;
 
     // inherited from QGraphicsLayout
-    int count() const;
-    QGraphicsLayoutItem *itemAt(int index) const;
-    void removeAt(int index);
+    int count() const Q_DECL_OVERRIDE;
+    QGraphicsLayoutItem *itemAt(int index) const Q_DECL_OVERRIDE;
+    void removeAt(int index) Q_DECL_OVERRIDE;
     void removeItem(QGraphicsLayoutItem *item);
 
-    void invalidate();
+    void invalidate() Q_DECL_OVERRIDE;
 
     // inherited from QGraphicsLayoutItem
-    void setGeometry(const QRectF &rect);
-    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+    void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE;
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const Q_DECL_OVERRIDE;
 
     // ####
     //QRect cellRect(int row, int column, int rowSpan = 1, int columnSpan = 1) const;
diff --git a/src/widgets/graphicsview/qgraphicsitem.h b/src/widgets/graphicsview/qgraphicsitem.h
index 3a238390d7..783c15eeee 100644
--- a/src/widgets/graphicsview/qgraphicsitem.h
+++ b/src/widgets/graphicsview/qgraphicsitem.h
@@ -587,7 +587,7 @@ Q_SIGNALS:
 protected:
     QGraphicsObject(QGraphicsItemPrivate &dd, QGraphicsItem *parent);
 
-    bool event(QEvent *ev);
+    bool event(QEvent *ev) Q_DECL_OVERRIDE;
 
 private:
     friend class QGraphicsItem;
@@ -608,8 +608,8 @@ public:
     QBrush brush() const;
     void setBrush(const QBrush &brush);
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
 protected:
     QAbstractGraphicsShapeItem(QAbstractGraphicsShapeItemPrivate &dd,
@@ -631,22 +631,22 @@ public:
     QPainterPath path() const;
     void setPath(const QPainterPath &path);
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 2 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsPathItem)
@@ -666,22 +666,22 @@ public:
     void setRect(const QRectF &rect);
     inline void setRect(qreal x, qreal y, qreal w, qreal h);
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 3 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsRectItem)
@@ -710,22 +710,22 @@ public:
     int spanAngle() const;
     void setSpanAngle(int angle);
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 4 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsEllipseItem)
@@ -750,22 +750,22 @@ public:
     Qt::FillRule fillRule() const;
     void setFillRule(Qt::FillRule rule);
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 5 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsPolygonItem)
@@ -789,22 +789,22 @@ public:
     inline void setLine(qreal x1, qreal y1, qreal x2, qreal y2)
     { setLine(QLineF(x1, y1, x2, y2)); }
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 6 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsLineItem)
@@ -835,25 +835,25 @@ public:
     void setOffset(const QPointF &offset);
     inline void setOffset(qreal x, qreal y);
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 7 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
     ShapeMode shapeMode() const;
     void setShapeMode(ShapeMode mode);
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsPixmapItem)
@@ -889,17 +889,17 @@ public:
     void setDefaultTextColor(const QColor &c);
     QColor defaultTextColor() const;
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 8 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
     void setTextWidth(qreal width);
     qreal textWidth() const;
@@ -926,30 +926,30 @@ Q_SIGNALS:
     void linkHovered(const QString &);
 
 protected:
-    bool sceneEvent(QEvent *event);
-    void mousePressEvent(QGraphicsSceneMouseEvent *event);
-    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
-    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
-    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
-    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
-    void keyPressEvent(QKeyEvent *event);
-    void keyReleaseEvent(QKeyEvent *event);
-    void focusInEvent(QFocusEvent *event);
-    void focusOutEvent(QFocusEvent *event);
-    void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
-    void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
-    void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
-    void dropEvent(QGraphicsSceneDragDropEvent *event);
-    void inputMethodEvent(QInputMethodEvent *event);
-    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
-    void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
-    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
-
-    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
-
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool sceneEvent(QEvent *event) Q_DECL_OVERRIDE;
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) Q_DECL_OVERRIDE;
+    void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void keyReleaseEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void focusInEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+    void focusOutEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+    void dragEnterEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void dragLeaveEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void dragMoveEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void dropEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void inputMethodEvent(QInputMethodEvent *event) Q_DECL_OVERRIDE;
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+    void hoverMoveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+
+    QVariant inputMethodQuery(Qt::InputMethodQuery query) const Q_DECL_OVERRIDE;
+
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsTextItem)
@@ -974,22 +974,22 @@ public:
     void setFont(const QFont &font);
     QFont font() const;
 
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
-    bool contains(const QPointF &point) const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
+    bool contains(const QPointF &point) const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 9 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 protected:
-    bool supportsExtension(Extension extension) const;
-    void setExtension(Extension extension, const QVariant &variant);
-    QVariant extension(const QVariant &variant) const;
+    bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
+    void setExtension(Extension extension, const QVariant &variant) Q_DECL_OVERRIDE;
+    QVariant extension(const QVariant &variant) const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsSimpleTextItem)
@@ -1006,14 +1006,14 @@ public:
     void addToGroup(QGraphicsItem *item);
     void removeFromGroup(QGraphicsItem *item);
 
-    QRectF boundingRect() const;
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
 
-    bool isObscuredBy(const QGraphicsItem *item) const;
-    QPainterPath opaqueArea() const;
+    bool isObscuredBy(const QGraphicsItem *item) const Q_DECL_OVERRIDE;
+    QPainterPath opaqueArea() const Q_DECL_OVERRIDE;
 
     enum { Type = 10 };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
 private:
     Q_DISABLE_COPY(QGraphicsItemGroup)
diff --git a/src/widgets/graphicsview/qgraphicsitem_p.h b/src/widgets/graphicsview/qgraphicsitem_p.h
index f1986a5072..4af39cac2f 100644
--- a/src/widgets/graphicsview/qgraphicsitem_p.h
+++ b/src/widgets/graphicsview/qgraphicsitem_p.h
@@ -699,11 +699,11 @@ public:
         return info->widget->rect();
     }
 
-    QRectF boundingRect(Qt::CoordinateSystem system) const;
-    void draw(QPainter *);
+    QRectF boundingRect(Qt::CoordinateSystem system) const Q_DECL_OVERRIDE;
+    void draw(QPainter *) Q_DECL_OVERRIDE;
     QPixmap pixmap(Qt::CoordinateSystem system,
                    QPoint *offset,
-                   QGraphicsEffect::PixmapPadMode mode) const;
+                   QGraphicsEffect::PixmapPadMode mode) const Q_DECL_OVERRIDE;
     QRect paddedEffectRect(Qt::CoordinateSystem system, QGraphicsEffect::PixmapPadMode mode, const QRectF &sourceRect, bool *unpadded = 0) const;
 
     QGraphicsItem *item;
diff --git a/src/widgets/graphicsview/qgraphicslayout.h b/src/widgets/graphicsview/qgraphicslayout.h
index 83004e36f9..226c3984cf 100644
--- a/src/widgets/graphicsview/qgraphicslayout.h
+++ b/src/widgets/graphicsview/qgraphicslayout.h
@@ -52,12 +52,12 @@ public:
     ~QGraphicsLayout();
 
     void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);
-    void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
+    void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const Q_DECL_OVERRIDE;
 
     void activate();
     bool isActivated() const;
     virtual void invalidate();
-    virtual void updateGeometry();
+    virtual void updateGeometry() Q_DECL_OVERRIDE;
 
     virtual void widgetEvent(QEvent *e);
 
diff --git a/src/widgets/graphicsview/qgraphicslinearlayout.h b/src/widgets/graphicsview/qgraphicslinearlayout.h
index 28c6fb4813..2602ea2a51 100644
--- a/src/widgets/graphicsview/qgraphicslinearlayout.h
+++ b/src/widgets/graphicsview/qgraphicslinearlayout.h
@@ -61,7 +61,7 @@ public:
     void insertStretch(int index, int stretch = 1);
 
     void removeItem(QGraphicsLayoutItem *item);
-    void removeAt(int index);
+    void removeAt(int index) Q_DECL_OVERRIDE;
 
     void setSpacing(qreal spacing);
     qreal spacing() const;
@@ -74,13 +74,13 @@ public:
     void setAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment);
     Qt::Alignment alignment(QGraphicsLayoutItem *item) const;
 
-    void setGeometry(const QRectF &rect);
+    void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE;
 
-    int count() const;
-    QGraphicsLayoutItem *itemAt(int index) const;
+    int count() const Q_DECL_OVERRIDE;
+    QGraphicsLayoutItem *itemAt(int index) const Q_DECL_OVERRIDE;
 
-    void invalidate();
-    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+    void invalidate() Q_DECL_OVERRIDE;
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const Q_DECL_OVERRIDE;
 
 #if 0 // ###
     Q5SizePolicy::ControlTypes controlTypes(LayoutSide side) const;
diff --git a/src/widgets/graphicsview/qgraphicsproxywidget.h b/src/widgets/graphicsview/qgraphicsproxywidget.h
index 765caea0b1..c2bd73e056 100644
--- a/src/widgets/graphicsview/qgraphicsproxywidget.h
+++ b/src/widgets/graphicsview/qgraphicsproxywidget.h
@@ -55,63 +55,63 @@ public:
 
     QRectF subWidgetRect(const QWidget *widget) const;
 
-    void setGeometry(const QRectF &rect);
+    void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE;
 
     enum {
         Type = 12
     };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
     QGraphicsProxyWidget *createProxyForChildWidget(QWidget *child);
 
 protected:
-    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+    QVariant itemChange(GraphicsItemChange change, const QVariant &value) Q_DECL_OVERRIDE;
 
-    bool event(QEvent *event);
-    bool eventFilter(QObject *object, QEvent *event);
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    bool eventFilter(QObject *object, QEvent *event) Q_DECL_OVERRIDE;
 
-    void showEvent(QShowEvent *event);
-    void hideEvent(QHideEvent *event);
+    void showEvent(QShowEvent *event) Q_DECL_OVERRIDE;
+    void hideEvent(QHideEvent *event) Q_DECL_OVERRIDE;
 
 #ifndef QT_NO_CONTEXTMENU
-    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
+    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) Q_DECL_OVERRIDE;
 #endif
 
 #ifndef QT_NO_DRAGANDDROP
-    void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
-    void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
-    void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
-    void dropEvent(QGraphicsSceneDragDropEvent *event);
+    void dragEnterEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void dragLeaveEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void dragMoveEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
+    void dropEvent(QGraphicsSceneDragDropEvent *event) Q_DECL_OVERRIDE;
 #endif
 
-    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
-    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
-    void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
-    void grabMouseEvent(QEvent *event);
-    void ungrabMouseEvent(QEvent *event);
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+    void hoverMoveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+    void grabMouseEvent(QEvent *event) Q_DECL_OVERRIDE;
+    void ungrabMouseEvent(QEvent *event) Q_DECL_OVERRIDE;
 
-    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
-    void mousePressEvent(QGraphicsSceneMouseEvent *event);
-    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
-    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
+    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
 #ifndef QT_NO_WHEELEVENT
-    void wheelEvent(QGraphicsSceneWheelEvent *event);
+    void wheelEvent(QGraphicsSceneWheelEvent *event) Q_DECL_OVERRIDE;
 #endif
 
-    void keyPressEvent(QKeyEvent *event);
-    void keyReleaseEvent(QKeyEvent *event);
+    void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void keyReleaseEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
 
-    void focusInEvent(QFocusEvent *event);
-    void focusOutEvent(QFocusEvent *event);
-    bool focusNextPrevChild(bool next);
+    void focusInEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+    void focusOutEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+    bool focusNextPrevChild(bool next) Q_DECL_OVERRIDE;
 
-    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
-    void inputMethodEvent(QInputMethodEvent *event);
+    QVariant inputMethodQuery(Qt::InputMethodQuery query) const Q_DECL_OVERRIDE;
+    void inputMethodEvent(QInputMethodEvent *event) Q_DECL_OVERRIDE;
 
-    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
-    void resizeEvent(QGraphicsSceneResizeEvent *event);
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const Q_DECL_OVERRIDE;
+    void resizeEvent(QGraphicsSceneResizeEvent *event) Q_DECL_OVERRIDE;
 
 protected Q_SLOTS:
     QGraphicsProxyWidget *newProxyWidget(const QWidget *);
diff --git a/src/widgets/graphicsview/qgraphicsscene.h b/src/widgets/graphicsview/qgraphicsscene.h
index 24255c3b30..6cd5da00c8 100644
--- a/src/widgets/graphicsview/qgraphicsscene.h
+++ b/src/widgets/graphicsview/qgraphicsscene.h
@@ -253,8 +253,8 @@ public Q_SLOTS:
     void clear();
 
 protected:
-    bool event(QEvent *event);
-    bool eventFilter(QObject *watched, QEvent *event);
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    bool eventFilter(QObject *watched, QEvent *event) Q_DECL_OVERRIDE;
     virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
     virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
     virtual void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
diff --git a/src/widgets/graphicsview/qgraphicsscene_bsp.cpp b/src/widgets/graphicsview/qgraphicsscene_bsp.cpp
index 739acecf5b..9a2932d127 100644
--- a/src/widgets/graphicsview/qgraphicsscene_bsp.cpp
+++ b/src/widgets/graphicsview/qgraphicsscene_bsp.cpp
@@ -45,7 +45,7 @@ class QGraphicsSceneInsertItemBspTreeVisitor : public QGraphicsSceneBspTreeVisit
 public:
     QGraphicsItem *item;
 
-    void visit(QList<QGraphicsItem *> *items)
+    void visit(QList<QGraphicsItem *> *items) Q_DECL_OVERRIDE
     { items->prepend(item); }
 };
 
@@ -54,7 +54,7 @@ class QGraphicsSceneRemoveItemBspTreeVisitor : public QGraphicsSceneBspTreeVisit
 public:
     QGraphicsItem *item;
 
-    void visit(QList<QGraphicsItem *> *items)
+    void visit(QList<QGraphicsItem *> *items) Q_DECL_OVERRIDE
     { items->removeAll(item); }
 };
 
@@ -64,7 +64,7 @@ public:
     QList<QGraphicsItem *> *foundItems;
     bool onlyTopLevelItems;
 
-    void visit(QList<QGraphicsItem *> *items)
+    void visit(QList<QGraphicsItem *> *items) Q_DECL_OVERRIDE
     {
         for (int i = 0; i < items->size(); ++i) {
             QGraphicsItem *item = items->at(i);
diff --git a/src/widgets/graphicsview/qgraphicsscenebsptreeindex_p.h b/src/widgets/graphicsview/qgraphicsscenebsptreeindex_p.h
index 02a3b44ff2..c329083844 100644
--- a/src/widgets/graphicsview/qgraphicsscenebsptreeindex_p.h
+++ b/src/widgets/graphicsview/qgraphicsscenebsptreeindex_p.h
@@ -71,25 +71,25 @@ public:
     QGraphicsSceneBspTreeIndex(QGraphicsScene *scene = 0);
     ~QGraphicsSceneBspTreeIndex();
 
-    QList<QGraphicsItem *> estimateItems(const QRectF &rect, Qt::SortOrder order) const;
-    QList<QGraphicsItem *> estimateTopLevelItems(const QRectF &rect, Qt::SortOrder order) const;
-    QList<QGraphicsItem *> items(Qt::SortOrder order = Qt::DescendingOrder) const;
+    QList<QGraphicsItem *> estimateItems(const QRectF &rect, Qt::SortOrder order) const Q_DECL_OVERRIDE;
+    QList<QGraphicsItem *> estimateTopLevelItems(const QRectF &rect, Qt::SortOrder order) const Q_DECL_OVERRIDE;
+    QList<QGraphicsItem *> items(Qt::SortOrder order = Qt::DescendingOrder) const Q_DECL_OVERRIDE;
 
     int bspTreeDepth() const;
     void setBspTreeDepth(int depth);
 
 protected Q_SLOTS:
-    void updateSceneRect(const QRectF &rect);
+    void updateSceneRect(const QRectF &rect) Q_DECL_OVERRIDE;
 
 protected:
-    bool event(QEvent *event);
-    void clear();
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    void clear() Q_DECL_OVERRIDE;
 
-    void addItem(QGraphicsItem *item);
-    void removeItem(QGraphicsItem *item);
-    void prepareBoundingRectChange(const QGraphicsItem *item);
+    void addItem(QGraphicsItem *item) Q_DECL_OVERRIDE;
+    void removeItem(QGraphicsItem *item) Q_DECL_OVERRIDE;
+    void prepareBoundingRectChange(const QGraphicsItem *item) Q_DECL_OVERRIDE;
 
-    void itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const void *const value);
+    void itemChange(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange change, const void *const value) Q_DECL_OVERRIDE;
 
 private :
     Q_DECLARE_PRIVATE(QGraphicsSceneBspTreeIndex)
diff --git a/src/widgets/graphicsview/qgraphicsscenelinearindex_p.h b/src/widgets/graphicsview/qgraphicsscenelinearindex_p.h
index 57d4ce9702..691e030a89 100644
--- a/src/widgets/graphicsview/qgraphicsscenelinearindex_p.h
+++ b/src/widgets/graphicsview/qgraphicsscenelinearindex_p.h
@@ -65,10 +65,10 @@ public:
     QGraphicsSceneLinearIndex(QGraphicsScene *scene = 0) : QGraphicsSceneIndex(scene), m_numSortedElements(0)
     { }
 
-    QList<QGraphicsItem *> items(Qt::SortOrder order = Qt::DescendingOrder) const
+    QList<QGraphicsItem *> items(Qt::SortOrder order = Qt::DescendingOrder) const Q_DECL_OVERRIDE
     { Q_UNUSED(order); return m_items; }
 
-    virtual QList<QGraphicsItem *> estimateItems(const QRectF &rect, Qt::SortOrder order) const
+    virtual QList<QGraphicsItem *> estimateItems(const QRectF &rect, Qt::SortOrder order) const Q_DECL_OVERRIDE
     {
         Q_UNUSED(rect);
         Q_UNUSED(order);
@@ -76,16 +76,16 @@ public:
     }
 
 protected :
-    virtual void clear()
+    virtual void clear() Q_DECL_OVERRIDE
     {
         m_items.clear();
         m_numSortedElements = 0;
     }
 
-    virtual void addItem(QGraphicsItem *item)
+    virtual void addItem(QGraphicsItem *item) Q_DECL_OVERRIDE
     { m_items << item; }
 
-    virtual void removeItem(QGraphicsItem *item)
+    virtual void removeItem(QGraphicsItem *item) Q_DECL_OVERRIDE
     {
         // Sort m_items if needed
         if (m_numSortedElements < m_items.size())
diff --git a/src/widgets/graphicsview/qgraphicstransform.h b/src/widgets/graphicsview/qgraphicstransform.h
index db8b574515..c2ee71d78d 100644
--- a/src/widgets/graphicsview/qgraphicstransform.h
+++ b/src/widgets/graphicsview/qgraphicstransform.h
@@ -93,7 +93,7 @@ public:
     qreal zScale() const;
     void setZScale(qreal);
 
-    void applyTo(QMatrix4x4 *matrix) const;
+    void applyTo(QMatrix4x4 *matrix) const Q_DECL_OVERRIDE;
 
 Q_SIGNALS:
     void originChanged();
@@ -129,7 +129,7 @@ public:
     void setAxis(const QVector3D &axis);
     void setAxis(Qt::Axis axis);
 
-    void applyTo(QMatrix4x4 *matrix) const;
+    void applyTo(QMatrix4x4 *matrix) const Q_DECL_OVERRIDE;
 
 Q_SIGNALS:
     void originChanged();
diff --git a/src/widgets/graphicsview/qgraphicsview.h b/src/widgets/graphicsview/qgraphicsview.h
index b681551fe7..39c28a1b64 100644
--- a/src/widgets/graphicsview/qgraphicsview.h
+++ b/src/widgets/graphicsview/qgraphicsview.h
@@ -110,7 +110,7 @@ public:
     QGraphicsView(QGraphicsScene *scene, QWidget *parent = 0);
     ~QGraphicsView();
 
-    QSize sizeHint() const;
+    QSize sizeHint() const Q_DECL_OVERRIDE;
 
     QPainter::RenderHints renderHints() const;
     void setRenderHint(QPainter::RenderHint hint, bool enabled = true);
@@ -206,7 +206,7 @@ public:
     inline QPoint mapFromScene(qreal x, qreal y) const;
     inline QPolygon mapFromScene(qreal x, qreal y, qreal w, qreal h) const;
 
-    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
+    QVariant inputMethodQuery(Qt::InputMethodQuery query) const Q_DECL_OVERRIDE;
 
     QBrush backgroundBrush() const;
     void setBackgroundBrush(const QBrush &brush);
@@ -225,37 +225,37 @@ Q_SIGNALS:
 #endif
 
 protected Q_SLOTS:
-    void setupViewport(QWidget *widget);
+    void setupViewport(QWidget *widget) Q_DECL_OVERRIDE;
 
 protected:
     QGraphicsView(QGraphicsViewPrivate &, QWidget *parent = 0);
-    bool event(QEvent *event);
-    bool viewportEvent(QEvent *event);
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    bool viewportEvent(QEvent *event) Q_DECL_OVERRIDE;
 
 #ifndef QT_NO_CONTEXTMENU
-    void contextMenuEvent(QContextMenuEvent *event);
+    void contextMenuEvent(QContextMenuEvent *event) Q_DECL_OVERRIDE;
 #endif
-    void dragEnterEvent(QDragEnterEvent *event);
-    void dragLeaveEvent(QDragLeaveEvent *event);
-    void dragMoveEvent(QDragMoveEvent *event);
-    void dropEvent(QDropEvent *event);
-    void focusInEvent(QFocusEvent *event);
-    bool focusNextPrevChild(bool next);
-    void focusOutEvent(QFocusEvent *event);
-    void keyPressEvent(QKeyEvent *event);
-    void keyReleaseEvent(QKeyEvent *event);
-    void mouseDoubleClickEvent(QMouseEvent *event);
-    void mousePressEvent(QMouseEvent *event);
-    void mouseMoveEvent(QMouseEvent *event);
-    void mouseReleaseEvent(QMouseEvent *event);
+    void dragEnterEvent(QDragEnterEvent *event) Q_DECL_OVERRIDE;
+    void dragLeaveEvent(QDragLeaveEvent *event) Q_DECL_OVERRIDE;
+    void dragMoveEvent(QDragMoveEvent *event) Q_DECL_OVERRIDE;
+    void dropEvent(QDropEvent *event) Q_DECL_OVERRIDE;
+    void focusInEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+    bool focusNextPrevChild(bool next) Q_DECL_OVERRIDE;
+    void focusOutEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
+    void keyPressEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void keyReleaseEvent(QKeyEvent *event) Q_DECL_OVERRIDE;
+    void mouseDoubleClickEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
+    void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
 #ifndef QT_NO_WHEELEVENT
-    void wheelEvent(QWheelEvent *event);
+    void wheelEvent(QWheelEvent *event) Q_DECL_OVERRIDE;
 #endif
-    void paintEvent(QPaintEvent *event);
-    void resizeEvent(QResizeEvent *event);
-    void scrollContentsBy(int dx, int dy);
-    void showEvent(QShowEvent *event);
-    void inputMethodEvent(QInputMethodEvent *event);
+    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
+    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
+    void scrollContentsBy(int dx, int dy) Q_DECL_OVERRIDE;
+    void showEvent(QShowEvent *event) Q_DECL_OVERRIDE;
+    void inputMethodEvent(QInputMethodEvent *event) Q_DECL_OVERRIDE;
 
     virtual void drawBackground(QPainter *painter, const QRectF &rect);
     virtual void drawForeground(QPainter *painter, const QRectF &rect);
diff --git a/src/widgets/graphicsview/qgraphicswidget.h b/src/widgets/graphicsview/qgraphicswidget.h
index d0f3ac9af6..8c347672d5 100644
--- a/src/widgets/graphicsview/qgraphicswidget.h
+++ b/src/widgets/graphicsview/qgraphicswidget.h
@@ -100,12 +100,12 @@ public:
     inline void resize(qreal w, qreal h) { resize(QSizeF(w, h)); }
     QSizeF size() const;
 
-    void setGeometry(const QRectF &rect);
+    void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE;
     inline void setGeometry(qreal x, qreal y, qreal w, qreal h);
     inline QRectF rect() const { return QRectF(QPointF(), size()); }
 
     void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);
-    void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
+    void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const Q_DECL_OVERRIDE;
 
     void setWindowFrameMargins(qreal left, qreal top, qreal right, qreal bottom);
     void getWindowFrameMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
@@ -150,12 +150,12 @@ public:
     enum {
         Type = 11
     };
-    int type() const;
+    int type() const Q_DECL_OVERRIDE;
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) Q_DECL_OVERRIDE;
     virtual void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
-    QRectF boundingRect() const;
-    QPainterPath shape() const;
+    QRectF boundingRect() const Q_DECL_OVERRIDE;
+    QPainterPath shape() const Q_DECL_OVERRIDE;
 
 #if 0
     void dumpFocusChain();
@@ -177,28 +177,28 @@ public Q_SLOTS:
 protected:
     virtual void initStyleOption(QStyleOption *option) const;
 
-    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
-    void updateGeometry();
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const Q_DECL_OVERRIDE;
+    void updateGeometry() Q_DECL_OVERRIDE;
 
     // Notification
-    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+    QVariant itemChange(GraphicsItemChange change, const QVariant &value) Q_DECL_OVERRIDE;
     virtual QVariant propertyChange(const QString &propertyName, const QVariant &value);
 
     // Scene events
-    bool sceneEvent(QEvent *event);
+    bool sceneEvent(QEvent *event) Q_DECL_OVERRIDE;
     virtual bool windowFrameEvent(QEvent *e);
     virtual Qt::WindowFrameSection windowFrameSectionAt(const QPointF& pos) const;
 
     // Base event handlers
-    bool event(QEvent *event);
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
     //virtual void actionEvent(QActionEvent *event);
     virtual void changeEvent(QEvent *event);
     virtual void closeEvent(QCloseEvent *event);
     //void create(WId window = 0, bool initializeWindow = true, bool destroyOldWindow = true);
     //void destroy(bool destroyWindow = true, bool destroySubWindows = true);
-    void focusInEvent(QFocusEvent *event);
+    void focusInEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
     virtual bool focusNextPrevChild(bool next);
-    void focusOutEvent(QFocusEvent *event);
+    void focusOutEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
     virtual void hideEvent(QHideEvent *event);
     //virtual int metric(PaintDeviceMetric m ) const;
     virtual void moveEvent(QGraphicsSceneMoveEvent *event);
@@ -207,8 +207,8 @@ protected:
     virtual void resizeEvent(QGraphicsSceneResizeEvent *event);
     virtual void showEvent(QShowEvent *event);
     //virtual void tabletEvent(QTabletEvent *event);
-    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
-    virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
+    virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) Q_DECL_OVERRIDE;
     virtual void grabMouseEvent(QEvent *event);
     virtual void ungrabMouseEvent(QEvent *event);
     virtual void grabKeyboardEvent(QEvent *event);
diff --git a/src/widgets/graphicsview/qgraphicswidget_p.h b/src/widgets/graphicsview/qgraphicswidget_p.h
index 2cb6565f87..16bf2e7c51 100644
--- a/src/widgets/graphicsview/qgraphicswidget_p.h
+++ b/src/widgets/graphicsview/qgraphicswidget_p.h
@@ -103,13 +103,13 @@ public:
     QPalette palette;
     uint inheritedPaletteResolveMask;
     void setPalette_helper(const QPalette &palette);
-    void resolvePalette(uint inheritedMask);
+    void resolvePalette(uint inheritedMask) Q_DECL_OVERRIDE;
     void updatePalette(const QPalette &palette);
     QPalette naturalWidgetPalette() const;
     QFont font;
     uint inheritedFontResolveMask;
     void setFont_helper(const QFont &font);
-    void resolveFont(uint inheritedMask);
+    void resolveFont(uint inheritedMask) Q_DECL_OVERRIDE;
     void updateFont(const QFont &font);
     QFont naturalWidgetFont() const;
 
@@ -124,13 +124,13 @@ public:
     bool hasDecoration() const;
 
     // Private Properties
-    qreal width() const;
-    void setWidth(qreal);
-    void resetWidth();
+    qreal width() const Q_DECL_OVERRIDE;
+    void setWidth(qreal) Q_DECL_OVERRIDE;
+    void resetWidth() Q_DECL_OVERRIDE;
 
-    qreal height() const;
-    void setHeight(qreal);
-    void resetHeight();
+    qreal height() const Q_DECL_OVERRIDE;
+    void setHeight(qreal) Q_DECL_OVERRIDE;
+    void resetHeight() Q_DECL_OVERRIDE;
     void setGeometryFromSetPos();
 
     // State