1 files changed, 26 insertions, 0 deletions
diff --git a/libs/pbd/controllable.cc b/libs/pbd/controllable.cc
new file mode 100644
index 0000000000..b1176c64a5
--- /dev/null
+++ b/libs/pbd/controllable.cc
@@ -0,0 +1,26 @@
+#include <pbd/controllable.h>
+#include <pbd/xml++.h>
+
+#include "i18n.h"
+
+using namespace PBD;
+
+sigc::signal<void,Controllable*> Controllable::Created;
+sigc::signal<void,Controllable*> Controllable::GoingAway;
+sigc::signal<bool,Controllable*> Controllable::StartLearning;
+sigc::signal<void,Controllable*> Controllable::StopLearning;
+
+Controllable::Controllable ()
+{
+	Created (this);
+}
+
+XMLNode&
+Controllable::get_state ()
+{
+	XMLNode* node = new XMLNode (X_("Controllable"));
+	char buf[64];
+	_id.print (buf);
+	node->add_property (X_("id"), buf);
+	return *node;
+}