From 001c1a09107a54695b5e38ab826003af036f0e2a Mon Sep 17 00:00:00 2001
From: Tim Mayberry <mojofunk@gmail.com>
Date: Mon, 10 Aug 2015 12:49:42 +1000
Subject: [PATCH] Extract part of EngineControl::backend_changed into
 EngineControl::update_midi_options

---
 gtk2_ardour/engine_dialog.cc | 27 +++++++++++++++++----------
 gtk2_ardour/engine_dialog.h  |  2 ++
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 1636f1a1ee..28e0adcdca 100644
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -880,6 +880,23 @@ EngineControl::backend_changed ()
 		list_devices ();
 	}
 
+	update_midi_options ();
+
+	connect_disconnect_button.hide();
+
+	midi_option_changed();
+
+	started_at_least_once = false;
+
+	if (!ignore_changes) {
+		maybe_display_saved_state ();
+	}
+}
+
+void
+EngineControl::update_midi_options ()
+{
+	boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
 	vector<string> midi_options = backend->enumerate_midi_options();
 
 	if (midi_options.size() == 1) {
@@ -894,16 +911,6 @@ EngineControl::backend_changed ()
 			midi_option_combo.set_sensitive (false);
 		}
 	}
-
-	connect_disconnect_button.hide();
-
-	midi_option_changed();
-
-	started_at_least_once = false;
-
-	if (!ignore_changes) {
-		maybe_display_saved_state ();
-	}
 }
 
 bool
diff --git a/gtk2_ardour/engine_dialog.h b/gtk2_ardour/engine_dialog.h
index bb4965884d..59b2094499 100644
--- a/gtk2_ardour/engine_dialog.h
+++ b/gtk2_ardour/engine_dialog.h
@@ -134,6 +134,8 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     void setup_midi_tab_for_jack ();
     void refresh_midi_display (std::string focus = "");
 
+	void update_midi_options ();
+
     std::string bufsize_as_string (uint32_t);
 
     float get_rate() const;
-- 
2.30.2