From 2a2e5a49e7cab1c15f431f5f3ec4863daa58d2ba Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 16 Oct 2022 04:03:21 +0200
Subject: [PATCH] List I/O Plugins separately in connection matrix

---
 gtk2_ardour/port_group.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gtk2_ardour/port_group.cc b/gtk2_ardour/port_group.cc
index 8b6dfb2565..3ba1bed176 100644
--- a/gtk2_ardour/port_group.cc
+++ b/gtk2_ardour/port_group.cc
@@ -34,6 +34,7 @@
 #include "ardour/auditioner.h"
 #include "ardour/bundle.h"
 #include "ardour/control_protocol_manager.h"
+#include "ardour/io_plug.h"
 #include "ardour/io_processor.h"
 #include "ardour/midi_port.h"
 #include "ardour/midiport_manager.h"
@@ -349,6 +350,7 @@ PortGroupList::gather (ARDOUR::Session* session, ARDOUR::DataType type, bool inp
 	boost::shared_ptr<PortGroup> bus (new PortGroup (string_compose (_("%1 Busses"), PROGRAM_NAME)));
 	boost::shared_ptr<PortGroup> track (new PortGroup (string_compose (_("%1 Tracks"), PROGRAM_NAME)));
 	boost::shared_ptr<PortGroup> sidechain (new PortGroup (string_compose (_("%1 Sidechains"), PROGRAM_NAME)));
+	boost::shared_ptr<PortGroup> ioplugin (new PortGroup (string_compose (_("%1 I/O Plugin"), PROGRAM_NAME)));
 	boost::shared_ptr<PortGroup> system (new PortGroup (_("Hardware")));
 	boost::shared_ptr<PortGroup> program (new PortGroup (string_compose (_("%1 Misc"), PROGRAM_NAME)));
 	boost::shared_ptr<PortGroup> other (new PortGroup (_("Other")));
@@ -562,6 +564,13 @@ PortGroupList::gather (ARDOUR::Session* session, ARDOUR::DataType type, bool inp
 		program->add_bundle (sync);
 	}
 
+	for (auto const& iop : *session->io_plugs ()) {
+		boost::shared_ptr<IO> io = inputs ? iop->input() : iop->output();
+		if (io->n_ports().get (type) > 0) {
+			ioplugin->add_bundle (io->bundle(), io);
+		}
+	}
+
 	/* Now find all other ports that we haven't thought of yet */
 
 	std::vector<std::string> extra_system[DataType::num_types];
@@ -603,6 +612,7 @@ PortGroupList::gather (ARDOUR::Session* session, ARDOUR::DataType type, bool inp
 			        !system->has_port(p)
 			     && !bus->has_port(p)
 			     && !track->has_port(p)
+			     && !ioplugin->has_port(p)
 			     && !sidechain->has_port(p)
 			     && !program->has_port(p)
 			     && !other->has_port(p)
@@ -720,6 +730,7 @@ PortGroupList::gather (ARDOUR::Session* session, ARDOUR::DataType type, bool inp
 	add_group_if_not_empty (bus);
 	add_group_if_not_empty (track);
 	add_group_if_not_empty (sidechain);
+	add_group_if_not_empty (ioplugin);
 	add_group_if_not_empty (program);
 	add_group_if_not_empty (system);