diff --git a/gtk2_ardour/automation_line.cc b/gtk2_ardour/automation_line.cc
index ead6a2b56d..eca2b705ce 100644
--- a/gtk2_ardour/automation_line.cc
+++ b/gtk2_ardour/automation_line.cc
@@ -950,28 +950,24 @@ AutomationLine::remove_point (ControlPoint& cp)
 /** Get selectable points within an area.
  *  @param start Start position in session frames.
  *  @param end End position in session frames.
- *  @param botfrac Bottom of area, as a fraction of the line height.
- *  @param topfrac Bottom of area, as a fraction of the line height.
+ *  @param bot Bottom y range, as a fraction of line height, where 0 is the bottom of the line.
+ *  @param top Top y range, as a fraction of line height, where 0 is the bottom of the line.
+ *  @param result Filled in with selectable things.
  */
 void
 AutomationLine::get_selectables (
 	framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results
 	)
 {
-
-	double top;
-	double bot;
-
 	/* these two are in AutomationList model coordinates */
 	double nstart;
 	double nend;
 	
 	bool collecting = false;
 
-	/* Curse X11 and its inverted coordinate system! */
-
-	bot = (1.0 - topfrac) * _height;
-	top = (1.0 - botfrac) * _height;
+	/* convert fractions to display coordinates with 0 at the top of the track */
+	double const bot_track = (1 - topfrac) * trackview.current_height ();
+	double const top_track = (1 - botfrac) * trackview.current_height ();
 
 	nstart = DBL_MAX;
 	nend = 0;
@@ -982,7 +978,7 @@ AutomationLine::get_selectables (
 
 		if (session_frames_when >= start && session_frames_when <= end) {
 
-			if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
+			if ((*i)->get_y() >= bot_track && (*i)->get_y() <= top_track) {
 
 				(*i)->show();
 				(*i)->set_visible(true);
@@ -1027,10 +1023,8 @@ AutomationLine::point_selection_to_control_points (PointSelection const & s)
 			continue;
 		}
 
-		/* Curse X11 and its inverted coordinate system! */
-
-		double const bot = (1.0 - i->high_fract) * _height;
-		double const top = (1.0 - i->low_fract) * _height;
+		double const bot = (1 - i->high_fract) * trackview.current_height ();
+		double const top = (1 - i->low_fract) * trackview.current_height ();
 
 		for (vector<ControlPoint*>::iterator j = control_points.begin(); j != control_points.end(); ++j) {
 
diff --git a/gtk2_ardour/automation_line.h b/gtk2_ardour/automation_line.h
index 2704c13146..7377ab92a0 100644
--- a/gtk2_ardour/automation_line.h
+++ b/gtk2_ardour/automation_line.h
@@ -68,9 +68,7 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
 
 	std::list<ControlPoint*> point_selection_to_control_points (PointSelection const &); 
 	void set_selected_points (PointSelection&);
-	void get_selectables (ARDOUR::framepos_t start, ARDOUR::framepos_t end,
-			      double botfrac, double topfrac,
-			      std::list<Selectable*>& results);
+	void get_selectables (ARDOUR::framepos_t, ARDOUR::framepos_t, double, double, std::list<Selectable*>&);
 	void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
 
 	virtual void remove_point (ControlPoint&);
diff --git a/gtk2_ardour/automation_selectable.h b/gtk2_ardour/automation_selectable.h
index 8c897816ba..62ebd08aa2 100644
--- a/gtk2_ardour/automation_selectable.h
+++ b/gtk2_ardour/automation_selectable.h
@@ -25,8 +25,11 @@
 class TimeAxisView;
 
 /** A selected automation point, expressed as a rectangle.
+ *
  *  x coordinates start/end are in AutomationList model coordinates.
- *  y coordinates are a expressed as a fraction of track height.
+ *  y coordinates are a expressed as a fraction of the AutomationTimeAxisView's height, where 0 is the
+ *  bottom of the track, and 1 is the top.
+ *
  *  This representation falls between the visible GUI control points and
  *  the back-end "actual" automation points, some of which may not be
  *  visible; it is not trivial to convert from one of these to the
diff --git a/gtk2_ardour/automation_streamview.cc b/gtk2_ardour/automation_streamview.cc
index 90e1b991fd..cdca5ec08f 100644
--- a/gtk2_ardour/automation_streamview.cc
+++ b/gtk2_ardour/automation_streamview.cc
@@ -276,6 +276,10 @@ AutomationStreamView::clear ()
 
 /** @param start Start position in session frames.
  *  @param end End position in session frames.
+ *  @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
+ *  @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
+ *  NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
+ *  confusing.
  */
 void
 AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
diff --git a/gtk2_ardour/automation_time_axis.cc b/gtk2_ardour/automation_time_axis.cc
index 56a54c0092..b9edc4ef63 100644
--- a/gtk2_ardour/automation_time_axis.cc
+++ b/gtk2_ardour/automation_time_axis.cc
@@ -827,21 +827,23 @@ AutomationTimeAxisView::paste_one (AutomationLine& line, framepos_t pos, float t
 }
 
 void
-AutomationTimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results)
+AutomationTimeAxisView::get_selectables (framepos_t start, framepos_t end, double top, double bot, list<Selectable*>& results)
 {
 	if (!_line && !_view) {
 		return;
 	}
-	
+
 	if (touched (top, bot)) {
-		double topfrac;
-		double botfrac;
 
 		/* remember: this is X Window - coordinate space starts in upper left and moves down.
 		   _y_position is the "origin" or "top" of the track.
 		*/
 
-		double mybot = _y_position + height;
+		/* bottom of our track */
+		double const mybot = _y_position + height;
+
+		double topfrac;
+		double botfrac;
 
 		if (_y_position >= top && mybot <= bot) {
 
@@ -858,6 +860,7 @@ AutomationTimeAxisView::get_selectables (nframes_t start, nframes_t end, double
 
 			topfrac = 1.0 - ((top - _y_position) / height);
 			botfrac = 1.0 - ((bot - _y_position) / height);
+
 		}
 
 		if (_line) {
diff --git a/gtk2_ardour/automation_time_axis.h b/gtk2_ardour/automation_time_axis.h
index 85ad6ad7d9..8daccf97eb 100644
--- a/gtk2_ardour/automation_time_axis.h
+++ b/gtk2_ardour/automation_time_axis.h
@@ -78,7 +78,7 @@ class AutomationTimeAxisView : public TimeAxisView {
 	boost::shared_ptr<AutomationLine> line() { return _line; }
 
 	void set_selected_points (PointSelection&);
-	void get_selectables (nframes_t start, nframes_t end, double top, double bot, std::list<Selectable *>&);
+	void get_selectables (ARDOUR::framepos_t start, ARDOUR::framepos_t end, double top, double bot, std::list<Selectable *>&);
 	void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
 
 	void show_timestretch (nframes_t /*start*/, nframes_t /*end*/) {}
diff --git a/gtk2_ardour/editor_canvas_events.cc b/gtk2_ardour/editor_canvas_events.cc
index 34a73d318c..3ec82b3746 100644
--- a/gtk2_ardour/editor_canvas_events.cc
+++ b/gtk2_ardour/editor_canvas_events.cc
@@ -275,7 +275,7 @@ Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, Rou
 		clicked_regionview = 0;
 		clicked_control_point = 0;
 		clicked_axisview = tv;
-		clicked_routeview = dynamic_cast<RouteTimeAxisView*>(tv);
+		clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
 		ret = button_press_handler (item, event, StreamItem);
 		break;
 
diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index 48ddeb55d2..cab8a929ef 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -2832,7 +2832,7 @@ ControlPointDrag::finished (GdkEvent* event, bool movement_occurred)
 
 		/* just a click */
 
-		if ((event->type == GDK_BUTTON_RELEASE) && (event->button.button == 1) && Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
+		if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
 			_editor->reset_point_selection ();
 		}
 
diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index 4febbacb68..3cc3129bf6 100644
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -500,7 +500,7 @@ Editor::button_selection (ArdourCanvas::Item* /*item*/, GdkEvent* event, ItemTyp
 		break;
 
 	case ControlPointItem:
-		set_selected_track_as_side_effect ();
+		set_selected_track_as_side_effect (true);
 		if (mouse_mode != MouseRange || _join_object_range_state == JOIN_OBJECT_RANGE_OBJECT) {
 			set_selected_control_point_from_click (op, false);
 		}
diff --git a/gtk2_ardour/editor_selection.cc b/gtk2_ardour/editor_selection.cc
index 75b4f30d61..33685be2ff 100644
--- a/gtk2_ardour/editor_selection.cc
+++ b/gtk2_ardour/editor_selection.cc
@@ -170,23 +170,23 @@ Editor::select_all_tracks ()
 	selection->set (visible_views);
 }
 
-/** Select clicked_routeview, unless there are no currently selected
+/** Select clicked_axisview, unless there are no currently selected
  *  tracks, in which case nothing will happen unless `force' is true.
  */
 void
 Editor::set_selected_track_as_side_effect (bool force)
 {
-	if (!clicked_routeview) {
+	if (!clicked_axisview) {
 		return;
 	}
 
 	if (!selection->tracks.empty()) {
-		if (!selection->selected (clicked_routeview)) {
-			selection->add (clicked_routeview);
+		if (!selection->selected (clicked_axisview)) {
+			selection->add (clicked_axisview);
 		}
 
 	} else if (force) {
-		selection->set (clicked_routeview);
+		selection->set (clicked_axisview);
 	}
 }
 
@@ -255,9 +255,10 @@ Editor::set_selected_control_point_from_click (Selection::Operation op, bool /*n
 	 */
 
 	double const size = clicked_control_point->size ();
+	AutomationLine& line = clicked_control_point->line ();
 	
-	nframes64_t const x1 = pixel_to_frame (clicked_control_point->get_x() - size / 2);
-	nframes64_t const x2 = pixel_to_frame (clicked_control_point->get_x() + size / 2);
+	nframes64_t const x1 = pixel_to_frame (clicked_control_point->get_x() - size / 2) + line.time_converter().origin_b ();
+	nframes64_t const x2 = pixel_to_frame (clicked_control_point->get_x() + size / 2) + line.time_converter().origin_b ();
  	double y1 = clicked_control_point->get_y() - size / 2;
 	double y2 = clicked_control_point->get_y() + size / 2;
 
@@ -269,7 +270,7 @@ Editor::set_selected_control_point_from_click (Selection::Operation op, bool /*n
 	_trackview_group->w2i (dummy, y2);
 
 	/* and set up the selection */
-	return select_all_within (x1, x2, y1, y2, selection->tracks, Selection::Set);
+	return select_all_within (x1, x2, y1, y2, selection->tracks, op);
 }
 
 void
@@ -979,8 +980,8 @@ Editor::invert_selection ()
 
 /** @param start Start time in session frames.
  *  @param end End time in session frames.
- *  @param top Top (lower) y limit in trackview coordinates.
- *  @param bottom Bottom (higher) y limit in trackview coordinates.
+ *  @param top Top (lower) y limit in trackview coordinates (ie 0 at the top of the track view)
+ *  @param bottom Bottom (higher) y limit in trackview coordinates (ie 0 at the top of the track view)
  */
 bool
 Editor::select_all_within (framepos_t start, framepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op)
diff --git a/gtk2_ardour/midi_streamview.h b/gtk2_ardour/midi_streamview.h
index b9ce5a0ae8..2ef4697b37 100644
--- a/gtk2_ardour/midi_streamview.h
+++ b/gtk2_ardour/midi_streamview.h
@@ -57,7 +57,6 @@ class MidiStreamView : public StreamView
 	~MidiStreamView ();
 
 	void set_selected_regionviews (RegionSelection&);
-	void get_selectables (nframes_t start, nframes_t end, std::list<Selectable* >&);
 	void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
 
 	enum VisibleNoteRange {
diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index b4f56f2ffe..fd528a4dbf 100644
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -1182,7 +1182,7 @@ RouteTimeAxisView::set_selected_regionviews (RegionSelection& regions)
  * @param results List to add things to.
  */
 void
-RouteTimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results)
+RouteTimeAxisView::get_selectables (framepos_t start, framepos_t end, double top, double bot, list<Selectable*>& results)
 {
 	double speed = 1.0;
 
diff --git a/gtk2_ardour/route_time_axis.h b/gtk2_ardour/route_time_axis.h
index baef76ee61..189035bf17 100644
--- a/gtk2_ardour/route_time_axis.h
+++ b/gtk2_ardour/route_time_axis.h
@@ -83,7 +83,7 @@ public:
 	void selection_click (GdkEventButton*);
 	void set_selected_points (PointSelection&);
 	void set_selected_regionviews (RegionSelection&);
-	void get_selectables (nframes_t start, nframes_t end, double top, double bot, std::list<Selectable *>&);
+	void get_selectables (ARDOUR::framepos_t start, ARDOUR::framepos_t end, double top, double bot, std::list<Selectable *>&);
 	void get_inverted_selectables (Selection&, std::list<Selectable*>&);
 	void set_layer_display (LayerDisplay d);
 	LayerDisplay layer_display () const;
diff --git a/gtk2_ardour/streamview.cc b/gtk2_ardour/streamview.cc
index 8e8a87d49f..242510b32e 100644
--- a/gtk2_ardour/streamview.cc
+++ b/gtk2_ardour/streamview.cc
@@ -501,8 +501,17 @@ StreamView::set_selected_regionviews (RegionSelection& regions)
 	}
 }
 
+
+/** Get selectable things within a given range.
+ *  @param start Start time in session frames.
+ *  @param end End time in session frames.
+ *  @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
+ *  @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
+ *  @param result Filled in with selectable things.
+ */
+
 void
-StreamView::get_selectables (nframes_t start, nframes_t end, double top, double bottom, list<Selectable*>& results)
+StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
 {
 	layer_t min_layer = 0;
 	layer_t max_layer = 0;
diff --git a/gtk2_ardour/streamview.h b/gtk2_ardour/streamview.h
index 304f38894e..5dbe32b2f3 100644
--- a/gtk2_ardour/streamview.h
+++ b/gtk2_ardour/streamview.h
@@ -94,7 +94,7 @@ public:
 	void         foreach_selected_regionview (sigc::slot<void,RegionView*> slot);
 
 	void set_selected_regionviews (RegionSelection&);
-	void get_selectables (nframes_t, nframes_t, double, double, std::list<Selectable* >&);
+	void get_selectables (ARDOUR::framepos_t, ARDOUR::framepos_t, double, double, std::list<Selectable* >&);
 	void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
 
 	virtual void update_contents_metrics(boost::shared_ptr<ARDOUR::Region>) {}
diff --git a/gtk2_ardour/time_axis_view.cc b/gtk2_ardour/time_axis_view.cc
index 741756f1b2..631f6428e5 100644
--- a/gtk2_ardour/time_axis_view.cc
+++ b/gtk2_ardour/time_axis_view.cc
@@ -886,8 +886,15 @@ TimeAxisView::remove_child (boost::shared_ptr<TimeAxisView> child)
 	}
 }
 
+/** Get selectable things within a given range.
+ *  @param start Start time in session frames.
+ *  @param end End time in session frames.
+ *  @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
+ *  @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
+ *  @param result Filled in with selectable things.
+ */
 void
-TimeAxisView::get_selectables (nframes_t /*start*/, nframes_t /*end*/, double /*top*/, double /*bot*/, list<Selectable*>& /*result*/)
+TimeAxisView::get_selectables (framepos_t /*start*/, framepos_t /*end*/, double /*top*/, double /*bot*/, list<Selectable*>& /*result*/)
 {
 	return;
 }
diff --git a/gtk2_ardour/time_axis_view.h b/gtk2_ardour/time_axis_view.h
index d84075977f..031b4e26f2 100644
--- a/gtk2_ardour/time_axis_view.h
+++ b/gtk2_ardour/time_axis_view.h
@@ -189,7 +189,7 @@ class TimeAxisView : public virtual AxisView, public PBD::Stateful
 
   	void order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top);
 
-	virtual void get_selectables (nframes_t start, nframes_t end, double top, double bot, std::list<Selectable*>& results);
+	virtual void get_selectables (ARDOUR::framepos_t, ARDOUR::framepos_t, double, double, std::list<Selectable*>&);
 	virtual void get_inverted_selectables (Selection&, std::list<Selectable *>& results);
 
 	void add_ghost (RegionView*);