From 4cd47cf253ada6218c13b9a4127834cf4a26ce3d Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Sat, 24 Jan 2009 15:21:22 +0000
Subject: Gather all ardour: ports so that a few more things are found to put
 in the port matrix.

git-svn-id: svn://localhost/ardour2/branches/3.0@4439 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/port_group.cc   | 57 ++++++++++++++++++++++++++++-----------------
 gtk2_ardour/port_group.h    |  3 +++
 libs/ardour/ardour/bundle.h |  1 +
 libs/ardour/bundle.cc       | 17 ++++++++++++++
 4 files changed, 56 insertions(+), 22 deletions(-)

diff --git a/gtk2_ardour/port_group.cc b/gtk2_ardour/port_group.cc
index 70fd5a1b84..accab1d183 100644
--- a/gtk2_ardour/port_group.cc
+++ b/gtk2_ardour/port_group.cc
@@ -57,6 +57,25 @@ PortGroup::clear ()
 	ports.clear ();
 }
 
+bool
+PortGroup::has_port (std::string const& p) const
+{
+	for (vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
+		if ((*i)->offers_port_alone (p)) {
+			return true;
+		}
+	}
+
+	for (vector<std::string>::const_iterator i = ports.begin(); i != ports.end(); ++i) {
+		if (*i == p) {
+			return true;
+		}
+	}
+
+	return false;
+}
+	
+
 /** PortGroupUI constructor.
  *  @param m PortMatrix to work for.
  *  @Param g PortGroup to represent.
@@ -159,9 +178,7 @@ PortGroupList::refresh ()
 	
 	/* XXX: inserts, sends, plugin inserts? */
 	
-	/* Now we need to find the non-ardour ports; we do this by first
-	   finding all the ports that we can connect to. 
-	*/
+	/* Now find all other ports that we haven't thought of yet */
 
  	const char **ports = _session.engine().get_ports ("", _type.to_jack_type(), _offer_inputs ? 
  							  JackPortIsInput : JackPortIsOutput);
@@ -174,31 +191,20 @@ PortGroupList::refresh ()
 		client_matching_string += ':';
 
 		while (ports[n]) {
+			
 			std::string const p = ports[n];
 
-			if (p.substr(0, strlen ("system:")) == "system:" || p.substr (0, strlen ("alsa_pcm:")) == "alsa_pcm:") {
-				/* system: or alsa_pcm: prefix */
-
-				/* see if this port is already in one of the system: bundles */
-				std::vector<boost::shared_ptr<ARDOUR::Bundle> >::iterator i = _system.bundles.begin();
-				while (i != _system.bundles.end()) {
-					if ((*i)->uses_port (p)) {
-						break;
-					}
-					++i;
-				}
-
-				if (i == _system.bundles.end()) {
-					/* it's not already in there, so add it */
+			if (!_system.has_port(p) && !_buss.has_port(p) && !_track.has_port(p) && !_other.has_port(p)) {
+				
+				if (port_has_prefix (p, "system:") ||
+				    port_has_prefix (p, "alsa_pcm") ||
+				    port_has_prefix (p, "ardour:")) {
 					_system.add_port (p);
-				}
-			} else {
-				if (p.substr(0, client_matching_string.length()) != client_matching_string) {
-					/* other (non-ardour) prefix */
+				} else {
 					_other.add_port (p);
 				}
 			}
-
+			
 			++n;
 		}
 
@@ -211,6 +217,13 @@ PortGroupList::refresh ()
 	push_back (&_other);
 }
 
+bool
+PortGroupList::port_has_prefix (const std::string& n, const std::string& p) const
+{
+	return n.substr (0, p.length()) == p;
+}
+	
+
 void
 PortGroupList::set_type (ARDOUR::DataType t)
 {
diff --git a/gtk2_ardour/port_group.h b/gtk2_ardour/port_group.h
index d2136d6f5e..a5b5b109c4 100644
--- a/gtk2_ardour/port_group.h
+++ b/gtk2_ardour/port_group.h
@@ -64,6 +64,8 @@ public:
 		VisibilityChanged ();
 	}
 
+	bool has_port (std::string const &) const;
+
 	sigc::signal<void> VisibilityChanged;
 
 private:	
@@ -112,6 +114,7 @@ class PortGroupList : public std::list<PortGroup*>, public sigc::trackable
 	
   private:
 	void maybe_add_session_bundle (boost::shared_ptr<ARDOUR::Bundle>);
+	bool port_has_prefix (std::string const &, std::string const &) const;
 	std::string common_prefix (std::vector<std::string> const &) const;
 	void visibility_changed ();
 	
diff --git a/libs/ardour/ardour/bundle.h b/libs/ardour/ardour/bundle.h
index 8b1af39e75..f9971ddf15 100644
--- a/libs/ardour/ardour/bundle.h
+++ b/libs/ardour/ardour/bundle.h
@@ -90,6 +90,7 @@ class Bundle : public sigc::trackable
 	void remove_port_from_channel (uint32_t, std::string);
 	bool port_attached_to_channel (uint32_t, std::string);
 	bool uses_port (std::string) const;
+	bool offers_port_alone (std::string) const;
 	void remove_channel (uint32_t);
 	void remove_channels ();
 
diff --git a/libs/ardour/bundle.cc b/libs/ardour/bundle.cc
index 70800b06eb..53fc2f1930 100644
--- a/libs/ardour/bundle.cc
+++ b/libs/ardour/bundle.cc
@@ -173,6 +173,23 @@ Bundle::uses_port (std::string p) const
 	return false;
 }
 
+/** @param p Port name.
+ *  @return true if this bundle offers this port on its own on a channel.
+ */
+bool
+Bundle::offers_port_alone (std::string p) const
+{
+	Glib::Mutex::Lock lm (_channel_mutex);
+
+	for (std::vector<Channel>::const_iterator i = _channel.begin(); i != _channel.end(); ++i) {
+		if (i->ports.size() == 1 && i->ports[0] == p) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
 std::string
 Bundle::channel_name (uint32_t ch) const
 {
-- 
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