2 files changed, 4 insertions, 0 deletions
diff --git a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
index 67b6088079..b501a4f3c1 100644
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
@@ -174,12 +174,14 @@ void GraphWidget::timerEvent(QTimerEvent *event)
 }
 //! [4]
 
+#ifndef QT_NO_WHEELEVENT
 //! [5]
 void GraphWidget::wheelEvent(QWheelEvent *event)
 {
     scaleView(pow((double)2, -event->delta() / 240.0));
 }
 //! [5]
+#endif
 
 //! [6]
 void GraphWidget::drawBackground(QPainter *painter, const QRectF &rect)
diff --git a/examples/widgets/graphicsview/elasticnodes/graphwidget.h b/examples/widgets/graphicsview/elasticnodes/graphwidget.h
index 064d3bf00a..202c17c204 100644
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.h
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.h
@@ -63,7 +63,9 @@ public slots:
 protected:
     void keyPressEvent(QKeyEvent *event);
     void timerEvent(QTimerEvent *event);
+#ifndef QT_NO_WHEELEVENT
     void wheelEvent(QWheelEvent *event);
+#endif
     void drawBackground(QPainter *painter, const QRectF &rect);
 
     void scaleView(qreal scaleFactor);