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livetrax/libs/evoral/Control.cc

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/*
* Copyright (C) 2008-2016 David Robillard <d@drobilla.net>
* Copyright (C) 2010-2014 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2010 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include "evoral/Control.h"
#include "evoral/ControlList.h"
#include "evoral/ParameterDescriptor.h"
#include "evoral/TypeMap.h"
namespace Evoral {
Control::Control(const Parameter& parameter,
const ParameterDescriptor& desc,
boost::shared_ptr<ControlList> list)
: _parameter(parameter)
, _user_value(desc.normal)
{
set_list (list);
}
/** Get the currently effective value (ie the one that corresponds to current output)
*/
double
Control::get_double (bool from_list, Temporal::timepos_t const & when) const
{
if (from_list) {
return _list->eval (when);
} else {
return _user_value;
}
}
void
Control::set_double (double value, Temporal::timepos_t const & when, bool to_list)
{
_user_value = value;
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/* if we're in a write pass, the automation watcher will determine the
values and add them to the list, so we we don't need to bother.
*/
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if (to_list && (!_list->in_write_pass() || _list->descriptor().toggled)) {
_list->add (when, value, false);
}
}
void
Control::set_list(boost::shared_ptr<ControlList> list)
{
_list_marked_dirty_connection.disconnect ();
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_list = list;
if (_list) {
_list->Dirty.connect_same_thread (_list_marked_dirty_connection, boost::bind (&Control::list_marked_dirty, this));
}
}
void
Control::list_marked_dirty ()
{
ListMarkedDirty (); /* EMIT SIGNAL */
}
} // namespace Evoral