Unselect regions on tracks when the tracks are hidden. Fixes #3653.

git-svn-id: svn://localhost/ardour2/branches/3.0@8426 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/selection.cc

@@ -1163,3 +1163,19 @@ Selection::set_state (XMLNode const & node, int)
 
 	return 0;
 }
+
+void
+Selection::remove_regions (TimeAxisView* t)
+{
+	RegionSelection::iterator i = regions.begin();
+	while (i != regions.end ()) {
+		RegionSelection::iterator tmp = i;
+		++tmp;
+
+		if (&(*i)->get_time_axis_view() == t) {
+			remove (*i);
+		}
+
+		i = tmp;
+	}
+}

gtk2_ardour/selection.h

@@ -174,6 +174,8 @@ class Selection : public sigc::trackable, public PBD::ScopedConnectionList
 	void remove (const std::list<Selectable*>&);
 	void remove (Marker*);
 
+	void remove_regions (TimeAxisView *);
+
 	void replace (uint32_t time_index, framepos_t start, framepos_t end);
 
 	void clear_regions();

gtk2_ardour/time_axis_view.cc

@@ -372,8 +372,9 @@ TimeAxisView::hide ()
 	}
 
 	/* if its hidden, it cannot be selected */
-
 	_editor.get_selection().remove (this);
+	/* and neither can its regions */
+	_editor.get_selection().remove_regions (this);
 
 	Hiding ();
 }