3 files changed, 11 insertions, 11 deletions
diff --git a/examples/widgets/tools/undoframework/commands.h b/examples/widgets/tools/undoframework/commands.h
index f15e586e91..0e68c5f533 100644
--- a/examples/widgets/tools/undoframework/commands.h
+++ b/examples/widgets/tools/undoframework/commands.h
@@ -54,10 +54,10 @@ public:
     MoveCommand(DiagramItem *diagramItem, const QPointF &oldPos,
                 QUndoCommand *parent = 0);
 
-    void undo();
-    void redo();
-    bool mergeWith(const QUndoCommand *command);
-    int id() const { return Id; }
+    void undo() Q_DECL_OVERRIDE;
+    void redo() Q_DECL_OVERRIDE;
+    bool mergeWith(const QUndoCommand *command) Q_DECL_OVERRIDE;
+    int id() const Q_DECL_OVERRIDE { return Id; }
 
 private:
     DiagramItem *myDiagramItem;
@@ -72,8 +72,8 @@ class DeleteCommand : public QUndoCommand
 public:
     explicit DeleteCommand(QGraphicsScene *graphicsScene, QUndoCommand *parent = 0);
 
-    void undo();
-    void redo();
+    void undo() Q_DECL_OVERRIDE;
+    void redo() Q_DECL_OVERRIDE;
 
 private:
     DiagramItem *myDiagramItem;
@@ -89,8 +89,8 @@ public:
                QUndoCommand *parent = 0);
     ~AddCommand();
 
-    void undo();
-    void redo();
+    void undo() Q_DECL_OVERRIDE;
+    void redo() Q_DECL_OVERRIDE;
 
 private:
     DiagramItem *myDiagramItem;
diff --git a/examples/widgets/tools/undoframework/diagramitem.h b/examples/widgets/tools/undoframework/diagramitem.h
index 2c115c3b20..44495fc57e 100644
--- a/examples/widgets/tools/undoframework/diagramitem.h
+++ b/examples/widgets/tools/undoframework/diagramitem.h
@@ -61,7 +61,7 @@ public:
     DiagramType diagramType() const {
         return polygon() == boxPolygon ? Box : Triangle;
     }
-    int type() const { return Type; }
+    int type() const Q_DECL_OVERRIDE { return Type; }
 
 private:
     QPolygonF boxPolygon;
diff --git a/examples/widgets/tools/undoframework/diagramscene.h b/examples/widgets/tools/undoframework/diagramscene.h
index 6ad9647df5..925ab450d2 100644
--- a/examples/widgets/tools/undoframework/diagramscene.h
+++ b/examples/widgets/tools/undoframework/diagramscene.h
@@ -62,8 +62,8 @@ signals:
     void itemMoved(DiagramItem *movedItem, const QPointF &movedFromPosition);
 
 protected:
-    void mousePressEvent(QGraphicsSceneMouseEvent *event);
-    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
 
 private:
     QGraphicsItem *movingItem;