From 5a07da92558c4bef0bdfb925f54a1b1af6f0e35a Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 16 Nov 2022 16:25:09 -0700
Subject: [PATCH] triggers: code to dump MIDI learn-ed bindings as a binding
 map

---
 libs/ardour/ardour/triggerbox.h |  1 +
 libs/ardour/triggerbox.cc       | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index dbe066ea28..39f6247687 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -819,6 +819,7 @@ class LIBARDOUR_API TriggerBox : public Processor
 	static void add_custom_midi_binding (int id, int x, int y);
 	static void remove_custom_midi_binding (int x, int y);
 	static void clear_custom_midi_bindings ();
+	static int  dump_custom_midi_bindings (std::string const & path);
 
 	void begin_midi_learn (int index);
 	void midi_unlearn (int index);
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index ca8a561cc8..d6fb711acd 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -18,6 +18,7 @@
 
 #include <algorithm>
 #include <iostream>
+#include <fstream>
 #include <cstdlib>
 #include <memory>
 #include <sstream>
@@ -3968,6 +3969,28 @@ TriggerBox::clear_custom_midi_bindings ()
 	_custom_midi_map.clear ();
 }
 
+int
+TriggerBox::dump_custom_midi_bindings (std::string const & path)
+{
+	std::ofstream f (path.c_str());
+
+	if (!f) {
+		return -1;
+	}
+
+	f << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n <ArdourMIDIBindings version=\"1.0.0\" name=\"The name of this set of bindings\">\n";
+
+	for (CustomMidiMap::iterator i = _custom_midi_map.begin(); i != _custom_midi_map.end(); ++i) {
+		string str = string_compose (X_("\t<Binding msg note=\"%1\" channel=\"%2\" action=\"Cues/trigger-slot-%1-%2\"/>\n"),
+		                             i->first % 16, /* note number */
+		                             i->first / 16, /* channel */
+		                             i->second.first,
+		                             i->second.second);
+	}
+
+	f << "</ArdourMIDIBindings>\n";
+}
+
 void
 TriggerBox::add_custom_midi_binding (int id, int x, int y)
 {