comment edit

1 files changed, 4 insertions, 3 deletions

diff --git a/gtk2_ardour/editor_canvas.cc b/gtk2_ardour/editor_canvas.cc
index b88c7e3ef7..f69cb4b420 100644
--- a/gtk2_ardour/editor_canvas.cc
+++ b/gtk2_ardour/editor_canvas.cc
@@ -194,12 +194,10 @@ Editor::initialize_canvas ()
 	// used to show zoom mode active zooming
 	zoom_rect = new ArdourCanvas::Rectangle (_track_canvas->root(), ArdourCanvas::Rect (0.0, 0.0, 0.0, 0.0));
 	zoom_rect->hide();
-
 	zoom_rect->Event.connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
 
 	// used as rubberband rect
 	rubberband_rect = new ArdourCanvas::Rectangle (_trackview_group, ArdourCanvas::Rect (0.0, 0.0, 0.0, 0.0));
-
 	rubberband_rect->hide();
 
 	tempo_bar->Event.connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
@@ -215,7 +213,10 @@ Editor::initialize_canvas ()
 	if (logo_item) {
 		logo_item->lower_to_bottom ();
 	}
-	/* need to handle 4 specific types of events as catch-alls */
+
+	/* these signals will initially be delivered to the canvas itself, but if they end up remaining unhandled, they are passed to Editor-level
+	   handlers.
+	*/
 
 	_track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
 	_track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));