2 Copyright (C) 2007 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "ardour/automatable.h"
23 #include "ardour/automation_control.h"
24 #include "ardour/event_type_map.h"
25 #include "ardour/session.h"
28 using namespace ARDOUR;
32 AutomationControl::AutomationControl(
33 ARDOUR::Session& session,
34 const Evoral::Parameter& parameter,
35 boost::shared_ptr<ARDOUR::AutomationList> list,
37 : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name)
38 , Evoral::Control(parameter, list)
43 /** Get the current effective `user' value based on automation state */
45 AutomationControl::get_value() const
47 bool from_list = _list && ((AutomationList*)_list.get())->automation_playback();
48 return Control::get_double (from_list, _session.transport_frame());
51 /** Set the value and do the right thing based on automation state
52 * (e.g. record if necessary, etc.)
53 * @param value `user' value
56 AutomationControl::set_value(double value)
58 bool to_list = _list && _session.transport_stopped()
59 && ((AutomationList*)_list.get())->automation_write();
61 if (to_list && parameter().toggled()) {
63 // store the previous value just before this so any
64 // interpolation works right
66 _list->add (get_double(), _session.transport_frame()-1);
69 Control::set_double (value, to_list, _session.transport_frame());
71 Changed(); /* EMIT SIGNAL */
76 AutomationControl::set_list(boost::shared_ptr<Evoral::ControlList> list)
78 Control::set_list(list);
79 Changed(); /* EMIT SIGNAL */