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-rw-r--r--gtk2_ardour/selection.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/gtk2_ardour/selection.cc b/gtk2_ardour/selection.cc
index 4ebd3a583a..507245eb3d 100644
--- a/gtk2_ardour/selection.cc
+++ b/gtk2_ardour/selection.cc
@@ -399,6 +399,8 @@ Selection::add (const list<boost::shared_ptr<Playlist> >& pllist)
void
Selection::add (const TrackViewList& track_list)
{
+ clear_objects(); //enforce object/range exclusivity
+
TrackViewList added = tracks.add (track_list);
if (!added.empty()) {
@@ -414,6 +416,8 @@ Selection::add (const TrackViewList& track_list)
void
Selection::add (TimeAxisView* track)
{
+ clear_objects(); //enforce object/range exclusivity
+
TrackViewList tr;
track->set_selected (true);
tr.push_back (track);