propagate GUI track selection to control protocols; make MCP update when GUI track selection changes

git-svn-id: svn://localhost/ardour2/branches/3.0@11941 d708f5d6-7413-0410-9779-e7cbd77b26cf

2 files changed, 45 insertions, 0 deletions

diff --git a/libs/surfaces/control_protocol/control_protocol/control_protocol.h b/libs/surfaces/control_protocol/control_protocol/control_protocol.h
index abbf73c396..68a1461c10 100644
--- a/libs/surfaces/control_protocol/control_protocol/control_protocol.h
+++ b/libs/surfaces/control_protocol/control_protocol/control_protocol.h
@@ -24,10 +24,14 @@
 #include <string>
 #include <vector>
 #include <list>
+
 #include <boost/shared_ptr.hpp>
+
 #include "pbd/stateful.h"
 #include "pbd/signals.h"
+
 #include "control_protocol/basic_ui.h"
+#include "control_protocol/types.h"
 
 namespace ARDOUR {
 
@@ -72,6 +76,13 @@ class ControlProtocol : virtual public sigc::trackable, public PBD::Stateful, pu
 	static PBD::Signal0<void> VerticalZoomInSelected;
 	static PBD::Signal0<void> VerticalZoomOutSelected;
 
+	/* signals that one UI (e.g. the GUI) can emit to get all other UI's to 
+	   respond. Typically this will always be GUI->"others" - the GUI pays
+	   no attention to these signals.
+	*/
+	
+	static PBD::Signal1<void,RouteNotificationListPtr> TrackSelectionChanged;
+
 	/* the model here is as follows:
 
 	   we imagine most control surfaces being able to control
diff --git a/libs/surfaces/control_protocol/control_protocol/types.h b/libs/surfaces/control_protocol/control_protocol/types.h
new file mode 100644
index 0000000000..0f81d87d0a
--- /dev/null
+++ b/libs/surfaces/control_protocol/control_protocol/types.h
@@ -0,0 +1,34 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+
+    This program is free software; you can redistribute it
+    and/or modify it under the terms of the GNU Lesser
+    General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_control_protocol_types_h__
+#define __ardour_control_protocol_types_h__
+
+#include <vector>
+#include <boost/smart_ptr.hpp>
+
+namespace ARDOUR {
+	class Route;
+
+	typedef std::vector<boost::shared_ptr<ARDOUR::Route> >  RouteNotificationList;
+	typedef boost::shared_ptr<RouteNotificationList> RouteNotificationListPtr;
+}
+
+#endif /* __ardour_control_protocol_types_h__ */