don't show empty time axis view context menus

diff --git a/gtk2_ardour/time_axis_view.cc b/gtk2_ardour/time_axis_view.cc
index 540dddcb3df715b7d1bc9008b323bf08206d9dce..bdddaa0c5ae5a2c5cec1bc4aaa1326ed259267e9 100644 (file)
--- a/gtk2_ardour/time_axis_view.cc
+++ b/gtk2_ardour/time_axis_view.cc
@@ -738,7 +738,10 @@ TimeAxisView::popup_display_menu (guint32 when)
        conditionally_add_to_selection ();
 
        build_display_menu ();
-       display_menu->popup (1, when);
+
+       if (!display_menu->items().empty()) {
+               display_menu->popup (1, when);
+       }
 }
 
 void