142 lines
3.9 KiB
C++
142 lines
3.9 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/automation_control.h"
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#include "ardour/automation_watch.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(ARDOUR::Session& session,
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const Evoral::Parameter& parameter,
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const ParameterDescriptor& desc,
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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, desc, list)
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, _session(session)
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, _desc(desc)
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{
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}
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AutomationControl::~AutomationControl ()
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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 && ((AutomationList*)_list.get())->automation_write();
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Control::set_double (value, _session.transport_frame(), to_list);
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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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void
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AutomationControl::set_automation_state (AutoState as)
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{
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if (_list && as != alist()->automation_state()) {
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alist()->set_automation_state (as);
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if (_desc.toggled) {
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return; // No watch for boolean automation
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}
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if (as == Write) {
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AutomationWatch::instance().add_automation_watch (shared_from_this());
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} else if (as == Touch) {
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if (!touching()) {
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AutomationWatch::instance().remove_automation_watch (shared_from_this());
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} else {
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/* this seems unlikely, but the combination of
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* a control surface and the mouse could make
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* it possible to put the control into Touch
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* mode *while* touching it.
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*/
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AutomationWatch::instance().add_automation_watch (shared_from_this());
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}
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} else {
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AutomationWatch::instance().remove_automation_watch (shared_from_this());
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}
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}
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}
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void
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AutomationControl::set_automation_style (AutoStyle as)
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{
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if (!_list) return;
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alist()->set_automation_style (as);
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}
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void
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AutomationControl::start_touch(double when)
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{
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if (!_list) return;
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if (!touching()) {
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if (alist()->automation_state() == Touch) {
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alist()->start_touch (when);
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if (!_desc.toggled) {
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AutomationWatch::instance().add_automation_watch (shared_from_this());
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}
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}
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set_touching (true);
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}
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}
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void
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AutomationControl::stop_touch(bool mark, double when)
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{
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if (!_list) return;
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if (touching()) {
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set_touching (false);
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if (alist()->automation_state() == Touch) {
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alist()->stop_touch (mark, when);
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if (!_desc.toggled) {
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AutomationWatch::instance().remove_automation_watch (shared_from_this());
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}
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}
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}
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}
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