-
-sigc::signal<void> ControlProtocol::ZoomToSession;
-sigc::signal<void> ControlProtocol::ZoomOut;
-sigc::signal<void> ControlProtocol::ZoomIn;
-sigc::signal<void> ControlProtocol::Enter;
-sigc::signal<void,float> ControlProtocol::ScrollTimeline;
+using namespace PBD;
+
+Signal0<void> ControlProtocol::ZoomToSession;
+Signal0<void> ControlProtocol::ZoomOut;
+Signal0<void> ControlProtocol::ZoomIn;
+Signal0<void> ControlProtocol::Enter;
+Signal0<void> ControlProtocol::Undo;
+Signal0<void> ControlProtocol::Redo;
+Signal1<void,float> ControlProtocol::ScrollTimeline;
+Signal1<void,uint32_t> ControlProtocol::GotoView;
+Signal0<void> ControlProtocol::CloseDialog;
+PBD::Signal0<void> ControlProtocol::VerticalZoomInAll;
+PBD::Signal0<void> ControlProtocol::VerticalZoomOutAll;
+PBD::Signal0<void> ControlProtocol::VerticalZoomInSelected;
+PBD::Signal0<void> ControlProtocol::VerticalZoomOutSelected;
+PBD::Signal0<void> ControlProtocol::StepTracksDown;
+PBD::Signal0<void> ControlProtocol::StepTracksUp;
+
+PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > ControlProtocol::AddStripableToSelection;
+PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > ControlProtocol::SetStripableSelection;
+PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > ControlProtocol::ToggleStripableSelection;
+PBD::Signal1<void,boost::shared_ptr<ARDOUR::Stripable> > ControlProtocol::RemoveStripableFromSelection;
+PBD::Signal0<void> ControlProtocol::ClearStripableSelection;
+
+PBD::Signal1<void,StripableNotificationListPtr> ControlProtocol::StripableSelectionChanged;
+
+Glib::Threads::Mutex ControlProtocol::special_stripable_mutex;
+boost::weak_ptr<Stripable> ControlProtocol::_first_selected_stripable;
+boost::weak_ptr<Stripable> ControlProtocol::_leftmost_mixer_stripable;
+StripableNotificationList ControlProtocol::_last_selected;
+bool ControlProtocol::selection_connected = false;
+PBD::ScopedConnection ControlProtocol::selection_connection;
+
+const std::string ControlProtocol::state_node_name ("Protocol");