From da4270a93d7c440b89f1a517e69ff5cb10c9076a Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Mon, 19 Sep 2011 17:15:43 +0000
Subject: [PATCH] Emit ContentsChanged on the model when one of its control
 lists changes.  Should fix #3880.

git-svn-id: svn://localhost/ardour2/branches/3.0@10095 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/ardour/midi_model.h | 2 ++
 libs/ardour/midi_model.cc       | 6 ++++++
 libs/evoral/evoral/Sequence.hpp | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/ardour/midi_model.h b/libs/ardour/ardour/midi_model.h
index 1479bdc65e..d0a05e131d 100644
--- a/libs/ardour/ardour/midi_model.h
+++ b/libs/ardour/ardour/midi_model.h
@@ -289,6 +289,8 @@ private:
 	void control_list_interpolation_changed (Evoral::Parameter, Evoral::ControlList::InterpolationStyle);
 	void automation_list_automation_state_changed (Evoral::Parameter, AutoState);
 
+	void control_list_marked_dirty ();
+
 	PBD::ScopedConnectionList _midi_source_connections;
 
 	// We cannot use a boost::shared_ptr here to avoid a retain cycle
diff --git a/libs/ardour/midi_model.cc b/libs/ardour/midi_model.cc
index ce357dcd36..039b44e8bd 100644
--- a/libs/ardour/midi_model.cc
+++ b/libs/ardour/midi_model.cc
@@ -1946,3 +1946,9 @@ MidiModel::transpose (TimeType from, TimeType to, int semitones)
 
 	apply_command (s->session (), c);
 }
+
+void
+MidiModel::control_list_marked_dirty ()
+{
+	ContentsChanged (); /* EMIT SIGNAL */
+}
diff --git a/libs/evoral/evoral/Sequence.hpp b/libs/evoral/evoral/Sequence.hpp
index 98d4b190b1..bc3831df6b 100644
--- a/libs/evoral/evoral/Sequence.hpp
+++ b/libs/evoral/evoral/Sequence.hpp
@@ -313,7 +313,7 @@ private:
 	void get_notes_by_pitch (Notes&, NoteOperator, uint8_t val, int chan_mask = 0) const;
 	void get_notes_by_velocity (Notes&, NoteOperator, uint8_t val, int chan_mask = 0) const;
 
-	void control_list_marked_dirty ();
+	virtual void control_list_marked_dirty ();
 
 	const TypeMap& _type_map;