rearrange inheritance so that Automatable IS-A Slavable

[ardour.git] / libs / ardour / ardour / automatable.h

diff --git a/libs/ardour/ardour/automatable.h b/libs/ardour/ardour/automatable.h
index 11fb48904c808e03115ca4cb77bc91424a39e4cc..5f9f7d2b91165d271145023178ad871aa85e1f80 100644 (file)
--- a/libs/ardour/ardour/automatable.h
+++ b/libs/ardour/ardour/automatable.h
@@ -23,10 +23,15 @@
 #include <map>
 #include <set>
 #include <string>
+
 #include <boost/shared_ptr.hpp>
+
 #include "pbd/signals.h"
+
 #include "evoral/ControlSet.hpp"
+
 #include "ardour/libardour_visibility.h"
+#include "ardour/slavable.h"
 #include "ardour/types.h"
 
 class XMLNode;
@@ -39,7 +44,7 @@ class AutomationControl;
 /* The inherited ControlSet is virtual because AutomatableSequence inherits
  * from this AND EvoralSequence, which is also a ControlSet
  */
-class LIBARDOUR_API Automatable : virtual public Evoral::ControlSet
+class LIBARDOUR_API Automatable : virtual public Evoral::ControlSet, public Slavable
 {
 public:
        Automatable(Session&);
@@ -47,16 +52,17 @@ public:
 
         virtual ~Automatable();
 
-       boost::shared_ptr<Evoral::Control>
-       control_factory(const Evoral::Parameter& id);
+       boost::shared_ptr<Evoral::Control> control_factory(const Evoral::Parameter& id);
 
-       boost::shared_ptr<AutomationControl>
-       automation_control (const Evoral::Parameter& id, bool create_if_missing=false);
+       boost::shared_ptr<AutomationControl> automation_control (const Evoral::Parameter& id) {
+               return automation_control (id, false);
+       }
 
-       boost::shared_ptr<const AutomationControl>
-       automation_control (const Evoral::Parameter& id) const;
+       boost::shared_ptr<AutomationControl> automation_control (const Evoral::Parameter& id, bool create_if_missing);
+       boost::shared_ptr<const AutomationControl> automation_control (const Evoral::Parameter& id) const;
 
        virtual void add_control(boost::shared_ptr<Evoral::Control>);
+       virtual bool find_next_event (double start, double end, Evoral::ControlEvent& ev, bool only_active = true) const;
        void clear_controls ();
 
         virtual void transport_located (framepos_t now);
@@ -81,6 +87,8 @@ public:
        int set_automation_xml_state (const XMLNode&, Evoral::Parameter default_param);
        XMLNode& get_automation_xml_state();
 
+       PBD::Signal0<void> AutomationStateChanged;
+
   protected:
        Session& _a_session;