/*
- Copyright (C) 2007 Paul Davis
- Author: Dave Robillard
+ Copyright (C) 2007 Paul Davis
+ Author: David Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include <iostream>
-#include <ardour/automation_control.h>
-#include <ardour/session.h>
-#include <ardour/automatable.h>
-#include <ardour/midi_track.h>
+
+#include "ardour/automation_control.h"
+#include "ardour/automation_watch.h"
+#include "ardour/event_type_map.h"
+#include "ardour/session.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-
-AutomationControl::AutomationControl(Session& session, boost::shared_ptr<AutomationList> list, string name)
- : Controllable((name == "unnamed controllable") ? list->parameter().to_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)
, _session(session)
- , _list(list)
- , _user_value(list->default_value())
+ , _desc(desc)
{
}
+AutomationControl::~AutomationControl ()
+{
+}
-/** Get the currently effective value (ie the one that corresponds to current output)
- */
-float
+/** Get the current effective `user' value based on automation state */
+double
AutomationControl::get_value() const
{
- if (_list->automation_playback())
- return _list->eval(_session.transport_frame());
- else
- return _user_value;
+ bool from_list = _list && ((AutomationList*)_list.get())->automation_playback();
+ return Control::get_double (from_list, _session.transport_frame());
}
-
+/** Set the value and do the right thing based on automation state
+ * (e.g. record if necessary, etc.)
+ * @param value `user' value
+ */
void
-AutomationControl::set_value(float value)
+AutomationControl::set_value (double value)
{
- _user_value = value;
-
- if (_session.transport_stopped() && _list->automation_write())
- _list->add(_session.transport_frame(), value);
+ bool to_list = _list && ((AutomationList*)_list.get())->automation_write();
+
+ Control::set_double (value, _session.transport_frame(), to_list);
Changed(); /* EMIT SIGNAL */
}
+void
+AutomationControl::set_list (boost::shared_ptr<Evoral::ControlList> list)
+{
+ Control::set_list (list);
+ Changed(); /* EMIT SIGNAL */
+}
+
+void
+AutomationControl::set_automation_state (AutoState as)
+{
+ if (_list && as != alist()->automation_state()) {
+
+ alist()->set_automation_state (as);
+
+ if (as == Write) {
+ AutomationWatch::instance().add_automation_watch (shared_from_this());
+ } else if (as == Touch) {
+ if (!touching()) {
+ AutomationWatch::instance().remove_automation_watch (shared_from_this());
+ } else {
+ /* this seems unlikely, but the combination of
+ * a control surface and the mouse could make
+ * it possible to put the control into Touch
+ * mode *while* touching it.
+ */
+ AutomationWatch::instance().add_automation_watch (shared_from_this());
+ }
+ } else {
+ AutomationWatch::instance().remove_automation_watch (shared_from_this());
+ }
+ }
+}
-/** Get the latest user-set value, which may not equal get_value() when automation
- * is playing back, etc.
- *
- * Automation write/touch works by periodically sampling this value and adding it
- * to the AutomationList.
- */
-float
-AutomationControl::user_value() const
+void
+AutomationControl::set_automation_style (AutoStyle as)
{
- return _user_value;
+ alist()->set_automation_style (as);
}
-
void
-AutomationControl::set_list(boost::shared_ptr<ARDOUR::AutomationList> list)
+AutomationControl::start_touch(double when)
{
- _list = list;
- _user_value = list->default_value();
- Changed(); /* EMIT SIGNAL */
+ if (!_list) return;
+ if (!touching()) {
+ if (alist()->automation_state() == Touch) {
+ alist()->start_touch (when);
+ AutomationWatch::instance().add_automation_watch (shared_from_this());
+ }
+ set_touching (true);
+ }
}
-
-Parameter
-AutomationControl::parameter() const
+void
+AutomationControl::stop_touch(bool mark, double when)
{
- return _list->parameter();
+ 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());
+ }
+ }
}