From 7dcc66a7e5e68d69bda04fc6a7462d3f2140f6d5 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Fri, 12 Oct 2007 14:49:07 +0000
Subject: Better support for MIDI tracks in the IO selector.

git-svn-id: svn://localhost/ardour2/trunk@2547 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/io_selector.cc | 51 ++++++++++++++++++++++++++++++++--------------
 gtk2_ardour/io_selector.h  |  5 ++++-
 2 files changed, 40 insertions(+), 16 deletions(-)

diff --git a/gtk2_ardour/io_selector.cc b/gtk2_ardour/io_selector.cc
index 6fb23e6e5a..dcaa2418e5 100644
--- a/gtk2_ardour/io_selector.cc
+++ b/gtk2_ardour/io_selector.cc
@@ -29,11 +29,24 @@
 #include "ardour/io.h"
 #include "ardour/audioengine.h"
 #include "ardour/track.h"
+#include "ardour/audio_track.h"
+#include "ardour/midi_track.h"
+#include "ardour/data_type.h"
 #include "io_selector.h"
 #include "utils.h"
 #include "gui_thread.h"
 #include "i18n.h"
 
+void
+PortGroup::add (std::string const & p)
+{
+	if (prefix.empty() == false && p.substr (0, prefix.length()) == prefix) {
+		ports.push_back (p.substr (prefix.length()));
+	} else {
+		ports.push_back (p);
+	}
+}
+
 RotatedLabelSet::RotatedLabelSet (GroupedPortList& g)
 	: Glib::ObjectBase ("RotatedLabelSet"), Gtk::Widget (), _port_list (g), _base_start (64), _base_width (128)
 {
@@ -617,15 +630,26 @@ GroupedPortList::refresh ()
 
 	for (ARDOUR::Session::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
 
-		PortGroup& g = dynamic_cast<ARDOUR::Track*> ((*i).get()) == 0 ? buss : track;
-		
-		ARDOUR::PortSet const & p = _for_input ? ((*i)->outputs()) : ((*i)->inputs());
-		for (uint32_t j = 0; j < p.num_ports(); ++j) {
-			std::string const n = p.port(j)->name ();
-			g.ports.push_back (n.substr(strlen ("ardour:")));
+		PortGroup* g = 0;
+		if (_io->default_type() == ARDOUR::DataType::AUDIO && dynamic_cast<ARDOUR::AudioTrack*> ((*i).get())) {
+			/* Audio track for an audio IO */
+			g = &track;
+		} else if (_io->default_type() == ARDOUR::DataType::MIDI && dynamic_cast<ARDOUR::MidiTrack*> ((*i).get())) {
+			/* Midi track for a MIDI IO */
+			g = &track;
+		} else if (_io->default_type() == ARDOUR::DataType::AUDIO && dynamic_cast<ARDOUR::MidiTrack*> ((*i).get()) == 0) {
+			/* Non-MIDI track for an Audio IO; must be an audio buss */
+			g = &buss;
 		}
 
-		std::sort (g.ports.begin(), g.ports.end());
+		if (g) {
+			ARDOUR::PortSet const & p = _for_input ? ((*i)->outputs()) : ((*i)->inputs());
+			for (uint32_t j = 0; j < p.num_ports(); ++j) {
+				g->add (p.port(j)->name ());
+			}
+
+			std::sort (g->ports.begin(), g->ports.end());
+		}
 	}
 	
 
@@ -642,24 +666,21 @@ GroupedPortList::refresh ()
 	
 	if (ports) {
 
-		/* Count them */
 		int n = 0;
 		while (ports[n]) {
-			++n;
-		}
-		
-		for (int i = 0; i < n; ++i) {
-			std::string const p = ports[i];
+			std::string const p = ports[n];
 
 			if (p.substr(0, strlen ("system:")) == "system:") {
 				/* system: prefix */
-				system.ports.push_back (p.substr (strlen ("system:")));
+				system.add (p);
 			} else {
 				if (p.substr(0, strlen("ardour:")) != "ardour:") {
 					/* other (non-ardour) prefix */
-					other.ports.push_back (p);
+					other.add (p);
 				}
 			}
+
+			++n;
 		}
 	}
 
diff --git a/gtk2_ardour/io_selector.h b/gtk2_ardour/io_selector.h
index 4e40b356cd..3025f1d267 100644
--- a/gtk2_ardour/io_selector.h
+++ b/gtk2_ardour/io_selector.h
@@ -33,10 +33,13 @@ namespace ARDOUR {
 	class PortInsert;
 }
 
-struct PortGroup
+class PortGroup
 {
+  public:
 	PortGroup (std::string const & n, std::string const & p) : name (n), prefix (p) {}
 
+	void add (std::string const & p);
+
 	std::string name;
 	std::string prefix;
 	std::vector<std::string> ports;
-- 
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