From 25b4913c78cd5a0d44ca594ac604d01da8fdd112 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Sun, 14 Aug 2011 18:40:57 +0000
Subject: [PATCH] Save position of MIDI scroomers (#4140).

git-svn-id: svn://localhost/ardour2/branches/3.0@9993 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/midi_streamview.cc |  6 ------
 gtk2_ardour/midi_time_axis.cc  | 11 +++++++++++
 gtk2_ardour/midi_time_axis.h   |  1 +
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/gtk2_ardour/midi_streamview.cc b/gtk2_ardour/midi_streamview.cc
index 79b30502b8..9c109c2c21 100644
--- a/gtk2_ardour/midi_streamview.cc
+++ b/gtk2_ardour/midi_streamview.cc
@@ -275,12 +275,6 @@ MidiStreamView::redisplay_track ()
 		_data_note_max = 71;
 	}
 
-	// Extend visible range to show newly recorded data, if necessary
-	_lowest_note  = std::min(_lowest_note, _data_note_min);
-	_highest_note = std::max(_highest_note, _data_note_max);
-
-	veto_note_range(_lowest_note, _highest_note);
-
 	// Flag region views as invalid and disable drawing
 	for (i = region_views.begin(); i != region_views.end(); ++i) {
 		(*i)->set_valid(false);
diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index 0adb02725f..63f92f71b0 100644
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -127,6 +127,10 @@ MidiTimeAxisView::set_route (boost::shared_ptr<Route> rt)
 	subplugin_menu.set_name ("ArdourContextMenu");
 
 	_view = new MidiStreamView (*this);
+	if (!gui_property ("note-range-min").empty ()) {
+		midi_view()->apply_note_range (atoi (gui_property ("note-range-min").c_str()), atoi (gui_property ("note-range-max").c_str()), true);
+	}
+	midi_view()->NoteRangeChanged.connect (sigc::mem_fun (*this, &MidiTimeAxisView::note_range_changed));
 
 	ignore_toggle = false;
 
@@ -1163,3 +1167,10 @@ MidiTimeAxisView::get_channel_for_add () const
 
 	return channel;
 }
+
+void
+MidiTimeAxisView::note_range_changed ()
+{
+	set_gui_property ("note-range-min", (int) midi_view()->lowest_note ());
+	set_gui_property ("note-range-max", (int) midi_view()->highest_note ());
+}
diff --git a/gtk2_ardour/midi_time_axis.h b/gtk2_ardour/midi_time_axis.h
index 8c4aee65c1..b3c916ea69 100644
--- a/gtk2_ardour/midi_time_axis.h
+++ b/gtk2_ardour/midi_time_axis.h
@@ -122,6 +122,7 @@ class MidiTimeAxisView : public RouteTimeAxisView
 	void set_note_range(MidiStreamView::VisibleNoteRange range);
 
 	void route_active_changed ();
+	void note_range_changed ();
 
 	bool                         _ignore_signals;
 	MidiScroomer*                _range_scroomer;