diff --git a/gtk2_ardour/selection.cc b/gtk2_ardour/selection.cc
index 2683bfc5ca..6408cae9ce 100644
--- a/gtk2_ardour/selection.cc
+++ b/gtk2_ardour/selection.cc
@@ -394,6 +394,7 @@ Selection::add (vector<RegionView*>& v)
 	if (changed) {
 		clear_time(); // enforce object/range exclusivity
 		clear_tracks(); // enforce object/track exclusivity
+		clear_triggers ();
 		RegionsChanged ();
 	}
 }
@@ -415,6 +416,7 @@ Selection::add (const RegionSelection& rs)
 	if (changed) {
 		clear_time(); // enforce object/range exclusivity
 		clear_tracks(); // enforce object/track exclusivity
+		clear_triggers ();
 		RegionsChanged ();
 	}
 }
@@ -427,6 +429,7 @@ Selection::add (RegionView* r)
 		if (changed) {
 			clear_time(); // enforce object/range exclusivity
 			clear_tracks(); // enforce object/track exclusivity
+			clear_triggers ();
 			RegionsChanged ();
 		}
 	}
@@ -1647,3 +1650,57 @@ Selection::midi_regions ()
 
 	return ms;
 }
+
+bool
+Selection::selected (TriggerEntry* te) const
+{
+	return find (triggers.begin(), triggers.end(), te) != triggers.end();
+}
+
+void
+Selection::set (TriggerEntry* te)
+{
+	clear_triggers ();
+	add (te);
+}
+
+void
+Selection::add (TriggerEntry* te)
+{
+	triggers.push_back (te);
+	TriggersChanged ();
+}
+
+void
+Selection::remove (TriggerEntry* te)
+{
+	TriggerSelection::iterator e = find (triggers.begin(), triggers.end(), te);
+
+	if (e != triggers.end()) {
+		triggers.erase (e);
+		TriggersChanged ();
+	}
+}
+
+void
+Selection::toggle (TriggerEntry* te)
+{
+	TriggerSelection::iterator e;
+
+	if ((e = find (triggers.begin(), triggers.end(), te)) != triggers.end()) {
+		add (te);
+	} else {
+		triggers.erase (e);
+	}
+	TriggersChanged ();
+}
+
+void
+Selection::clear_triggers ()
+{
+	if (!triggers.empty()) {
+		triggers.clear ();
+		TriggersChanged ();
+	}
+}
+
diff --git a/gtk2_ardour/selection.h b/gtk2_ardour/selection.h
index 4f5c9e645d..81c6b0bf48 100644
--- a/gtk2_ardour/selection.h
+++ b/gtk2_ardour/selection.h
@@ -42,6 +42,7 @@
 #include "point_selection.h"
 #include "marker_selection.h"
 #include "midi_selection.h"
+#include "trigger_selection.h"
 
 class TimeAxisView;
 class RegionView;
@@ -90,6 +91,7 @@ public:
 	PlaylistSelection    playlists;
 	PointSelection       points;
 	MarkerSelection      markers;
+	TriggerSelection     triggers;
 
 	/** only used when this class is used as a cut buffer */
 	MidiNoteSelection    midi_notes;
@@ -111,6 +113,7 @@ public:
 	sigc::signal<void> PointsChanged;
 	sigc::signal<void> MarkersChanged;
 	sigc::signal<void> MidiNotesChanged;
+	sigc::signal<void> TriggersChanged;
 
 	void clear ();
 
@@ -126,6 +129,7 @@ public:
 	bool selected (RegionView*) const;
 	bool selected (ArdourMarker*) const;
 	bool selected (ControlPoint*) const;
+	bool selected (TriggerEntry*) const;
 
 	void set (std::list<Selectable*> const &);
 	void add (std::list<Selectable*> const &);
@@ -144,6 +148,7 @@ public:
 	void set (ControlPoint *);
 	void set (ArdourMarker*);
 	void set (const RegionSelection&);
+	void set (TriggerEntry*);
 
 	void toggle (TimeAxisView*);
 	void toggle (const TrackViewList&);
@@ -158,6 +163,7 @@ public:
 	void toggle (ControlPoint *);
 	void toggle (std::vector<ControlPoint*> const &);
 	void toggle (ArdourMarker*);
+	void toggle (TriggerEntry*);
 
 	void add (TimeAxisView*);
 	void add (const TrackViewList&);
@@ -175,6 +181,8 @@ public:
 	void add (const std::list<ArdourMarker*>&);
 	void add (const RegionSelection&);
 	void add (const PointSelection&);
+	void add (TriggerEntry*);
+
 	void remove (TimeAxisView*);
 	void remove (const TrackViewList&);
 	void remove (const MidiNoteSelection&);
@@ -189,6 +197,7 @@ public:
 	void remove (const std::list<Selectable*>&);
 	void remove (ArdourMarker*);
 	void remove (ControlPoint *);
+	void remove (TriggerEntry*);
 
 	void remove_regions (TimeAxisView *);
 
@@ -220,6 +229,9 @@ public:
 	void clear_markers (bool with_signal = true);
 	void clear_midi_notes (bool with_signal = true);
 
+	/* triggers are only mutually exclusive with regions */
+	void clear_triggers ();
+
 	void foreach_region (void (ARDOUR::Region::*method)(void));
 	void foreach_regionview (void (RegionView::*method)(void));
 	void foreach_midi_regionview (void (MidiRegionView::*method)(void));