make edit clock do something useful again; do sensible guess work on how to define edit op range

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@2615 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 24 insertions, 0 deletions

diff --git a/gtk2_ardour/editor_markers.cc b/gtk2_ardour/editor_markers.cc
index 3e0868e048..0f98982251 100644
--- a/gtk2_ardour/editor_markers.cc
+++ b/gtk2_ardour/editor_markers.cc
@@ -1079,8 +1079,32 @@ Editor::marker_selection_changed ()
 		}
 	}
 
+	edit_point_clock_connection_a.disconnect();
+	edit_point_clock_connection_b.disconnect();
+
+	if (selection->markers.empty()) {
+		edit_point_clock.set (0);
+		return;
+	}
+
 	for (MarkerSelection::iterator x = selection->markers.begin(); x != selection->markers.end(); ++x) {
 		(*x)->add_line (cursor_group, canvas_height);
 		(*x)->show_line ();
 	}
+
+	edit_point_clock.set (selection->markers.front()->position());
+
+	bool ignored;
+	Location* loc = find_location_from_marker (selection->markers.front(), ignored);
+
+	if (loc) {
+		edit_point_clock_connection_a = loc->changed.connect (mem_fun (*this, &Editor::selected_marker_moved));
+		edit_point_clock_connection_b = loc->start_changed.connect (mem_fun (*this, &Editor::selected_marker_moved));
+	}
+}
+
+void
+Editor::selected_marker_moved (Location* loc)
+{
+	edit_point_clock.set (loc->start());
 }