proper display name for Monitor Processor

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

diff --git a/libs/ardour/ardour/automation_control.h b/libs/ardour/ardour/automation_control.h
index aeee9dab30cdcf9be4ef88bafdd843fdf873767a..b26d781e2fd98b739895d750d48deeeebba2db04 100644 (file)
--- a/libs/ardour/ardour/automation_control.h
+++ b/libs/ardour/ardour/automation_control.h
@@ -24,11 +24,13 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
 
+#include "evoral/types.hpp"
 #include "pbd/controllable.h"
 #include "evoral/Control.hpp"
 
 #include "ardour/libardour_visibility.h"
 #include "ardour/automation_list.h"
+#include "ardour/parameter_descriptor.h"
 
 namespace ARDOUR {
 
@@ -38,15 +40,19 @@ class Automatable;
 
 /** A PBD::Controllable with associated automation data (AutomationList)
  */
-class LIBARDOUR_API AutomationControl : public PBD::Controllable, public Evoral::Control, public boost::enable_shared_from_this<AutomationControl>
+class LIBARDOUR_API AutomationControl
+       : public PBD::Controllable
+       , public Evoral::Control
+       , public boost::enable_shared_from_this<AutomationControl>
 {
 public:
        AutomationControl(ARDOUR::Session&,
-                         const Evoral::Parameter& parameter,
-                         boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
-                         const std::string& name="");
+                         const Evoral::Parameter&                  parameter,
+                         const ParameterDescriptor&                desc,
+                         boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
+                         const std::string&                        name="");
 
-        ~AutomationControl ();
+       ~AutomationControl ();
 
        boost::shared_ptr<AutomationList> alist() const {
                return boost::dynamic_pointer_cast<AutomationList>(_list);
@@ -55,51 +61,59 @@ public:
        void set_list (boost::shared_ptr<Evoral::ControlList>);
 
        inline bool automation_playback() const {
-               return alist()->automation_playback();
+               return alist() ? alist()->automation_playback() : false;
        }
 
        inline bool automation_write() const {
-               return alist()->automation_write();
+               return alist() ? alist()->automation_write() : false;
        }
 
        inline AutoState automation_state() const {
-               return alist()->automation_state();
+               return alist() ? alist()->automation_state() : Off;
        }
 
        inline AutoStyle automation_style() const {
-               return alist()->automation_style();
+               return alist() ? alist()->automation_style() : Absolute;
        }
 
-        void set_automation_state(AutoState as);
-        void set_automation_style(AutoStyle as);
-        void start_touch (double when);
-        void stop_touch (bool mark, double when);
+       void set_automation_state(AutoState as);
+       void set_automation_style(AutoStyle as);
+       void start_touch(double when);
+       void stop_touch(bool mark, double when);
 
+       /* inherited from PBD::Controllable.
+        * Derived classes MUST call ::writable() to verify
+        * that writing to the parameter is legal at that time.
+        */
        void set_value (double);
        double get_value () const;
 
-       virtual double internal_to_interface (double v) const {
-               return v;
-       }
-       
-       virtual double interface_to_internal (double v) const {
-               return v;
-       }
+       /* automation related value setting */
+       virtual bool writable () const;
+       /* Call to ::set_value() with no test for writable() because
+        * this is only used by automation playback. We would like
+        * to make it pure virtual 
+        */
+       virtual void set_value_unchecked (double val) {}
 
-       virtual double internal_to_user (double v) const {
-               return v;
-       }
+       double lower()   const { return _desc.lower; }
+       double upper()   const { return _desc.upper; }
+       double normal()  const { return _desc.normal; }
+       bool   toggled() const { return _desc.toggled; }
 
-       double lower() const { return parameter().min(); }
-       double upper() const { return parameter().max(); }
-       double normal() const { return parameter().normal(); }
-       bool toggled() const { return parameter().toggled(); }
+       double internal_to_interface (double i) const;
+       double interface_to_internal (double i) const;
+
+       const ParameterDescriptor& desc() const { return _desc; }
 
        const ARDOUR::Session& session() const { return _session; }
+       void commit_transaction (bool did_write);
 
 protected:
 
        ARDOUR::Session& _session;
+
+       const ParameterDescriptor _desc;
 };