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-rw-r--r--gtk2_ardour/ardour_ui.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 9f4d8de8d9..bca41f6ca7 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -408,6 +408,7 @@ class ARDOUR_UI : public Gtkmm2ext::UI
gint shuttle_box_button_press (GdkEventButton*);
gint shuttle_box_button_release (GdkEventButton*);
+ gint shuttle_box_scroll (GdkEventScroll*);
gint shuttle_box_motion (GdkEventMotion*);
gint shuttle_box_expose (GdkEventExpose*);
gint mouse_shuttle (double x, bool force);