Generate undo record for crossfade edits, and provide signalling to update the view when such things are undone. Partially fixes #3257.

git-svn-id: svn://localhost/ardour2/branches/3.0@7309 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 7 insertions, 0 deletions

diff --git a/gtk2_ardour/crossfade_view.cc b/gtk2_ardour/crossfade_view.cc
index 4743c87ce4..f77f8db442 100644
--- a/gtk2_ardour/crossfade_view.cc
+++ b/gtk2_ardour/crossfade_view.cc
@@ -84,6 +84,7 @@ CrossfadeView::CrossfadeView (ArdourCanvas::Group *parent,
 	crossfade_changed (all_crossfade_properties);
 
 	crossfade->PropertyChanged.connect (*this, invalidator (*this), ui_bind (&CrossfadeView::crossfade_changed, this, _1), gui_context());
+	crossfade->FadesChanged.connect (*this, invalidator (*this), ui_bind (&CrossfadeView::crossfade_fades_changed, this), gui_context());
 	ColorsChanged.connect (sigc::mem_fun (*this, &CrossfadeView::color_handler));
 }
 
@@ -261,3 +262,9 @@ CrossfadeView::fake_hide ()
 {
 	group->hide();
 }
+
+void
+CrossfadeView::crossfade_fades_changed ()
+{
+	redraw_curves ();
+}