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/*
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
#include "ardour/automatable.h"
#include "ardour/automation_control.h"
#include "ardour/event_type_map.h"
#include "ardour/session.h"
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)
: Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name)
, Evoral::Control(parameter, list)
, _session(session)
{
}
/** Get the current effective `user' value based on automation state */
double
AutomationControl::get_value() const
{
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(double value)
{
bool to_list = _list && _session.transport_stopped()
&& ((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, to_list, _session.transport_frame());
Changed(); /* EMIT SIGNAL */
}
void
AutomationControl::set_list(boost::shared_ptr<Evoral::ControlList> list)
{
Control::set_list(list);
Changed(); /* EMIT SIGNAL */
}
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