Support fancy controls for some AU units.
[ardour.git] / libs / ardour / automation_control.cc
index 355b0176ced0fe09ad8f6933dad613c4901a8a94..bfa16f9e4aec743c9109721b6ac7293b34f4efce 100644 (file)
@@ -29,14 +29,15 @@ using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-AutomationControl::AutomationControl(
-               ARDOUR::Session& session,
-               const Evoral::Parameter& parameter,
-               boost::shared_ptr<ARDOUR::AutomationList> list,
-               const string& name)
+AutomationControl::AutomationControl(ARDOUR::Session&                          session,
+                                     const Evoral::Parameter&                  parameter,
+                                     const ParameterDescriptor&                desc,
+                                     boost::shared_ptr<ARDOUR::AutomationList> list,
+                                     const string&                             name)
        : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name)
-       , Evoral::Control(parameter, list)
+       , Evoral::Control(parameter, desc, list)
        , _session(session)
+       , _desc(desc)
 {
 }
 
@@ -61,15 +62,6 @@ AutomationControl::set_value (double value)
 {
        bool to_list = _list && ((AutomationList*)_list.get())->automation_write();
 
-        if (to_list && parameter().toggled()) {
-
-                // store the previous value just before this so any
-                // interpolation works right
-
-
-                _list->add (get_double(), _session.transport_frame()-1);
-        }
-
        Control::set_double (value, _session.transport_frame(), to_list);
 
        Changed(); /* EMIT SIGNAL */
@@ -85,9 +77,12 @@ AutomationControl::set_list (boost::shared_ptr<Evoral::ControlList> list)
 void
 AutomationControl::set_automation_state (AutoState as)
 {
-       if (as != alist()->automation_state()) {
+       if (_list && as != alist()->automation_state()) {
 
                alist()->set_automation_state (as);
+               if (_desc.toggled) {
+                       return;  // No watch for boolean automation
+               }
 
                if (as == Write) {
                        AutomationWatch::instance().add_automation_watch (shared_from_this());
@@ -111,16 +106,20 @@ AutomationControl::set_automation_state (AutoState as)
 void
 AutomationControl::set_automation_style (AutoStyle as)
 {
+       if (!_list) return;
        alist()->set_automation_style (as);
 }
 
 void
 AutomationControl::start_touch(double when)
 {
+       if (!_list) return;
        if (!touching()) {
                if (alist()->automation_state() == Touch) {
                        alist()->start_touch (when);
-                       AutomationWatch::instance().add_automation_watch (shared_from_this());
+                       if (!_desc.toggled) {
+                               AutomationWatch::instance().add_automation_watch (shared_from_this());
+                       }
                }
                set_touching (true);
        }
@@ -129,11 +128,14 @@ AutomationControl::start_touch(double when)
 void
 AutomationControl::stop_touch(bool mark, double when)
 {
+       if (!_list) return;
        if (touching()) {
                set_touching (false);
                if (alist()->automation_state() == Touch) {
                        alist()->stop_touch (mark, when);
-                       AutomationWatch::instance().remove_automation_watch (shared_from_this());
+                       if (!_desc.toggled) {
+                               AutomationWatch::instance().remove_automation_watch (shared_from_this());
+                       }
                }
        }
 }