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-rw-r--r--src/widgets/widgets/qscrollbar.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/widgets/widgets/qscrollbar.h b/src/widgets/widgets/qscrollbar.h
index 95943f2676..48863616ff 100644
--- a/src/widgets/widgets/qscrollbar.h
+++ b/src/widgets/widgets/qscrollbar.h
@@ -67,6 +67,9 @@ public:
bool event(QEvent *event);
protected:
+#ifndef QT_NO_WHEELEVENT
+ void wheelEvent(QWheelEvent *);
+#endif
void paintEvent(QPaintEvent *);
void mousePressEvent(QMouseEvent *);
void mouseReleaseEvent(QMouseEvent *);