fix crash caused when deleting a region without a playlist PLUS make it impossible to select a region without a playlist (i.e. part of an unfinished capture pass). fixes #1502

git-svn-id: svn://localhost/ardour2/branches/3.0@7779 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 7 insertions, 5 deletions

diff --git a/gtk2_ardour/selection.cc b/gtk2_ardour/selection.cc
index 7735993bc1..886dffb651 100644
--- a/gtk2_ardour/selection.cc
+++ b/gtk2_ardour/selection.cc
@@ -436,11 +436,13 @@ void
 Selection::add (RegionView* r)
 {
 	if (find (regions.begin(), regions.end(), r) == regions.end()) {
-		regions.add (r);
-		if (Config->get_link_region_and_track_selection()) {
-			add (&r->get_time_axis_view());
-		}
-		RegionsChanged ();
+		bool changed = regions.add (r);
+                if (Config->get_link_region_and_track_selection() && changed) {
+                        add (&r->get_time_axis_view());
+                }
+                if (changed) {
+                        RegionsChanged ();
+                }
 	}
 }