David Robillard
a473d630eb
git-svn-id: svn://localhost/ardour2/branches/3.0@9654 d708f5d6-7413-0410-9779-e7cbd77b26cf
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: David Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include "ardour/automatable.h"
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#include "ardour/automation_control.h"
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#include "ardour/event_type_map.h"
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#include "ardour/session.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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AutomationControl::AutomationControl(
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ARDOUR::Session& session,
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const Evoral::Parameter& parameter,
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boost::shared_ptr<ARDOUR::AutomationList> list,
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const string& name)
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: Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name)
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, Evoral::Control(parameter, list)
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, _session(session)
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{
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}
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/** Get the current effective `user' value based on automation state */
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double
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AutomationControl::get_value() const
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{
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bool from_list = _list && ((AutomationList*)_list.get())->automation_playback();
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return Control::get_double (from_list, _session.transport_frame());
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}
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/** Set the value and do the right thing based on automation state
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* (e.g. record if necessary, etc.)
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* @param value `user' value
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*/
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void
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AutomationControl::set_value(double value)
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{
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bool to_list = _list && _session.transport_stopped()
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&& ((AutomationList*)_list.get())->automation_write();
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if (to_list && parameter().toggled()) {
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// store the previous value just before this so any
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// interpolation works right
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_list->add (get_double(), _session.transport_frame()-1);
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}
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Control::set_double (value, to_list, _session.transport_frame());
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Changed(); /* EMIT SIGNAL */
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}
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void
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AutomationControl::set_list(boost::shared_ptr<Evoral::ControlList> list)
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{
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Control::set_list(list);
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Changed(); /* EMIT SIGNAL */
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}
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