Initial steps towards usable range-based automation editing.

TODO:  needs undo. only works in top quarter of automation lane.  selection model feels weird sometimes.  needs to show gain curve when you are using Range tool

gtk2_ardour/editor_drag.cc

@@ -4239,6 +4239,14 @@ SelectionDrag::motion (GdkEvent* event, bool first_move)
 			}
 		}
 		
+		//if user is selecting a range on an automation track, bail out here before we get to the grouped stuff, 
+		// because the grouped stuff will start working on tracks (routeTAVs), and end up removing this 
+		AutomationTimeAxisView *atest = dynamic_cast<AutomationTimeAxisView *>(_editor->clicked_axisview);
+		if (atest) {
+			_editor->selection->add (atest);
+			break; 
+		}
+		
 		/* select all tracks within the rectangle that we've marked out so far */
 		TrackViewList new_selection;
 		TrackViewList& all_tracks (_editor->track_views);
@@ -4991,8 +4999,8 @@ AutomationRangeDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
 				double const p = j->line->time_converter().from (i->start - j->line->time_converter().origin_b ());
 				double const q = j->line->time_converter().from (a - j->line->time_converter().origin_b ());
 
-				the_list->add (p, the_list->eval (p));
-				the_list->add (q, the_list->eval (q));
+				the_list->editor_add (p, the_list->eval (p));
+				the_list->editor_add (q, the_list->eval (q));
 			}
 
 			/* same thing for the end */
@@ -5017,8 +5025,8 @@ AutomationRangeDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
 				double const p = j->line->time_converter().from (b - j->line->time_converter().origin_b ());
 				double const q = j->line->time_converter().from (i->end - j->line->time_converter().origin_b ());
 
-				the_list->add (p, the_list->eval (p));
-				the_list->add (q, the_list->eval (q));
+				the_list->editor_add (p, the_list->eval (p));
+				the_list->editor_add (q, the_list->eval (q));
 			}
 		}
 

gtk2_ardour/editor_mouse.cc

@@ -776,19 +776,9 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 				/* grab selection for moving */
 				_drags->set (new SelectionDrag (this, item, SelectionDrag::SelectionMove), event);
 			} else {
-				double const y = event->button.y;
-				pair<TimeAxisView*, int> tvp = trackview_by_y_position (y);
-				if (tvp.first) {
-					AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (tvp.first);
-					if ( get_smart_mode() && atv) {
-						/* smart "join" mode: drag automation */
-						_drags->set (new AutomationRangeDrag (this, atv, selection->time), event, _cursors->up_down);
-					} else {
-						/* this was debated, but decided the more common action was to
-						   make a new selection */
-						_drags->set (new SelectionDrag (this, item, SelectionDrag::CreateSelection), event);
-					}
-				}
+				/* this was debated, but decided the more common action was to
+				   make a new selection */
+				_drags->set (new SelectionDrag (this, item, SelectionDrag::CreateSelection), event);
 			}
 			break;
 
@@ -1048,45 +1038,6 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 
 			case SelectionItem:
 			{
-				if ( get_smart_mode() ) {
-					/* we're in "smart" joined mode, and we've clicked on a Selection */
-					double const y = event->button.y;
-					pair<TimeAxisView*, int> tvp = trackview_by_y_position (y);
-					if (tvp.first) {
-						/* if we're over an automation track, start a drag of its data */
-						AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (tvp.first);
-						if (atv) {
-							_drags->set (new AutomationRangeDrag (this, atv, selection->time), event, _cursors->up_down);
-						}
-
-						/* if we're over a track and a region, and in the `object' part of a region,
-						   put a selection around the region and drag both
-						*/
-/*						RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tvp.first);
-						if (rtv && _join_object_range_state == JOIN_OBJECT_RANGE_OBJECT) {
-							boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (rtv->route ());
-							if (t) {
-								boost::shared_ptr<Playlist> pl = t->playlist ();
-								if (pl) {
-
-									boost::shared_ptr<Region> r = pl->top_region_at (canvas_event_sample (event));
-									if (r) {
-										RegionView* rv = rtv->view()->find_view (r);
-										clicked_selection = select_range (rv->region()->position(), 
-														  rv->region()->last_frame()+1);
-										_drags->add (new SelectionDrag (this, item, SelectionDrag::SelectionMove));
-										list<RegionView*> rvs;
-										rvs.push_back (rv);
-										_drags->add (new RegionMoveDrag (this, item, rv, rvs, false, false));
-										_drags->start_grab (event);
-										return true;
-									}
-								}
-							}
-						}
-*/
-					}
-				}
 				break;
 			}
 
@@ -1118,6 +1069,17 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 			if (arv) {
 				_drags->set (new AutomationRangeDrag (this, arv, selection->time), event, _cursors->up_down);
 				_drags->start_grab (event);
+			} else {
+				double const y = event->button.y;
+				pair<TimeAxisView*, int> tvp = trackview_by_y_position (y);
+				if (tvp.first) {
+					AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (tvp.first);
+					if ( atv) {
+						/* smart "join" mode: drag automation */
+						_drags->set (new AutomationRangeDrag (this, atv, selection->time), event, _cursors->up_down);
+						_drags->start_grab (event);
+					}
+				}
 			}
 			return true;
 			break;

gtk2_ardour/editor_selection.cc

@@ -185,12 +185,12 @@ Editor::set_selected_track_as_side_effect (Selection::Operation op)
 		return;
 	}
 
-	if (!clicked_routeview) {
-		return;
+	RouteGroup* group = NULL;
+	if (clicked_routeview) {
+		group = clicked_routeview->route()->route_group();
 	}
 
 	bool had_tracks = !selection->tracks.empty();
-	RouteGroup* group = clicked_routeview->route()->route_group();
 	RouteGroup& arg (_session->all_route_group());
 
 	switch (op) {

libs/evoral/evoral/ControlList.hpp

@@ -121,7 +121,9 @@ public:
 
 	virtual bool clamp_value (double& /*when*/, double& /*value*/) const { return true; }
 
-        virtual void add (double when, double value, bool with_guards=true);
+	virtual void add (double when, double value, bool with_guards=true);
+	virtual void editor_add (double when, double value);
+	
 	void fast_simple_add (double when, double value);
 
 	void erase_range (double start, double end);

libs/evoral/src/ControlList.cpp

@@ -443,6 +443,39 @@ ControlList::in_write_pass () const
 	return _in_write_pass;
 }
 
+void
+ControlList::editor_add (double when, double value)
+{
+	/* this is for making changes from a graphical line editor
+	*/
+
+	if (!clamp_value (when, value)) {
+		return;
+	}
+
+	if (_events.empty()) {
+		
+		/* as long as the point we're adding is not at zero,
+		 * add an "anchor" point there.
+		 */
+
+		if (when >= 1) {
+			_events.insert (_events.end(), new ControlEvent (0, _default_value));
+			DEBUG_TRACE (DEBUG::ControlList, string_compose ("@%1 added default value %2 at zero\n", this, _default_value));
+		}
+	}
+
+	ControlEvent cp (when, 0.0f);
+	iterator i = lower_bound (_events.begin(), _events.end(), &cp, time_comparator);
+	DEBUG_TRACE (DEBUG::ControlList, string_compose ("editor_add: actually add when= %1 value= %1\n", when, value));
+	_events.insert (i, new ControlEvent (when, value));
+
+	mark_dirty ();
+
+	maybe_signal_changed ();
+
+}
+
 void
 ControlList::add (double when, double value, bool with_guards)
 {