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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/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(
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)
{
}
AutomationControl::~AutomationControl ()
{
}
/** 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 && ((AutomationList*)_list.get())->automation_write();
bool erase_since_last = _session.transport_rolling();
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, erase_since_last);
}
Control::set_double (value, _session.transport_frame(), to_list, erase_since_last);
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 (as != alist()->automation_state()) {
cerr << name() << " setting automation state to " << enum_2_string (as) << endl;
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 {
AutomationWatch::instance().remove_automation_watch (shared_from_this());
}
alist()->set_automation_state (as);
}
}
void
AutomationControl::set_automation_style (AutoStyle as)
{
alist()->set_automation_style (as);
}
void
AutomationControl::start_touch(double when)
{
set_touching (true);
AutomationWatch::instance().add_automation_watch (shared_from_this());
alist()->start_touch(when);
}
void
AutomationControl::stop_touch(bool mark, double when)
{
set_touching (false);
AutomationWatch::instance().remove_automation_watch (shared_from_this());
alist()->stop_touch (mark, when);
}
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