From a83c6badfe62a06c7c67abd08fafae2244c66361 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 12 Nov 2019 06:29:05 +0100
Subject: [PATCH] Skip custom MIDNAM files in generic MTAV list

---
 gtk2_ardour/midi_time_axis.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index 81afba7531..cd51053bba 100644
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -374,6 +374,11 @@ MidiTimeAxisView::setup_midnam_patches ()
 		// Build manufacturer submenu
 		for (MIDI::Name::MIDINameDocument::MasterDeviceNamesList::const_iterator n = m->second.begin();
 				n != m->second.end(); ++n) {
+
+			if (patch_manager.is_custom_model (n->first)) {
+				continue;
+			}
+
 			Menu_Helpers::MenuElem elem = Gtk::Menu_Helpers::MenuElem(
 					n->first.c_str(),
 					sigc::bind(sigc::mem_fun(*this, &MidiTimeAxisView::model_changed),
@@ -381,6 +386,10 @@ MidiTimeAxisView::setup_midnam_patches ()
 
 			items.push_back(elem);
 		}
+		if (items.empty ()) {
+			delete menu;
+			continue;
+		}
 
 		// Add manufacturer submenu to selector
 		_midnam_model_selector.AddMenuElem(Menu_Helpers::MenuElem(m->first, *menu));