fix for #1972, caused by stored snap values being invalidated by new snap choice list

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@2717 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 8 insertions, 1 deletions

diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 569da3a277..9d4076b7f9 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -2055,8 +2055,15 @@ Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
 void
 Editor::set_snap_to (SnapType st)
 {
+   unsigned int snap_ind = (unsigned int)st;
 	snap_type = st;
-	string str = snap_type_strings[(int) st];
+
+   if ( snap_ind > snap_type_strings.size() - 1 ) {
+      snap_ind = 0;
+      snap_type = (SnapType)snap_ind;
+   }
+
+	string str = snap_type_strings[snap_ind];
 
 	if (str != snap_type_selector.get_active_text()) {
 		snap_type_selector.set_active_text (str);