2 Copyright (C) 2007 Paul Davis
3 Author: David Robillard
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.
23 #include "ardour/automation_control.h"
24 #include "ardour/automation_watch.h"
25 #include "ardour/event_type_map.h"
26 #include "ardour/session.h"
29 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 AutomationControl::~AutomationControl ()
47 /** Get the current effective `user' value based on automation state */
49 AutomationControl::get_value() const
51 bool from_list = _list && ((AutomationList*)_list.get())->automation_playback();
52 return Control::get_double (from_list, _session.transport_frame());
55 /** Set the value and do the right thing based on automation state
56 * (e.g. record if necessary, etc.)
57 * @param value `user' value
60 AutomationControl::set_value (double value)
62 bool to_list = _list && ((AutomationList*)_list.get())->automation_write();
64 if (to_list && parameter().toggled()) {
66 // store the previous value just before this so any
67 // interpolation works right
70 _list->add (get_double(), _session.transport_frame()-1);
73 Control::set_double (value, _session.transport_frame(), to_list);
75 Changed(); /* EMIT SIGNAL */
79 AutomationControl::set_list (boost::shared_ptr<Evoral::ControlList> list)
81 Control::set_list (list);
82 Changed(); /* EMIT SIGNAL */
86 AutomationControl::set_automation_state (AutoState as)
88 if (_list && as != alist()->automation_state()) {
90 alist()->set_automation_state (as);
93 AutomationWatch::instance().add_automation_watch (shared_from_this());
94 } else if (as == Touch) {
96 AutomationWatch::instance().remove_automation_watch (shared_from_this());
98 /* this seems unlikely, but the combination of
99 * a control surface and the mouse could make
100 * it possible to put the control into Touch
101 * mode *while* touching it.
103 AutomationWatch::instance().add_automation_watch (shared_from_this());
106 AutomationWatch::instance().remove_automation_watch (shared_from_this());
112 AutomationControl::set_automation_style (AutoStyle as)
114 alist()->set_automation_style (as);
118 AutomationControl::start_touch(double when)
122 if (alist()->automation_state() == Touch) {
123 alist()->start_touch (when);
124 AutomationWatch::instance().add_automation_watch (shared_from_this());
131 AutomationControl::stop_touch(bool mark, double when)
135 set_touching (false);
136 if (alist()->automation_state() == Touch) {
137 alist()->stop_touch (mark, when);
138 AutomationWatch::instance().remove_automation_watch (shared_from_this());