X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fautomation_control.cc;h=2586a14b5841810d0891a1cbfd8a49167a7cf954;hb=09e519b715ba620522b42597a0282639cd1d28ee;hp=4885a6fed94cb383671cf077088bcae15ff7e330;hpb=449aab3c465bbbf66d221fac3d7ea559f1720357;p=ardour.git diff --git a/libs/ardour/automation_control.cc b/libs/ardour/automation_control.cc index 4885a6fed9..2586a14b58 100644 --- a/libs/ardour/automation_control.cc +++ b/libs/ardour/automation_control.cc @@ -1,6 +1,6 @@ /* - Copyright (C) 2007 Paul Davis - Author: Dave Robillard + Copyright (C) 2007 Paul Davis + Author: David Robillard 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 @@ -19,73 +19,113 @@ */ #include -#include -#include -#include -#include + +#include "ardour/automation_control.h" +#include "ardour/automation_watch.h" +#include "ardour/event_type_map.h" +#include "ardour/session.h" using namespace std; using namespace ARDOUR; using namespace PBD; - -AutomationControl::AutomationControl(Session& session, boost::shared_ptr list, string name) - : Controllable((name == "unnamed controllable") ? list->parameter().to_string() : name) +AutomationControl::AutomationControl( + ARDOUR::Session& session, + const Evoral::Parameter& parameter, + boost::shared_ptr list, + const string& name) + : Controllable (name.empty() ? EventTypeMap::instance().to_symbol(parameter) : name) + , Evoral::Control(parameter, list) , _session(session) - , _list(list) - , _user_value(list->default_value()) { } +AutomationControl::~AutomationControl () +{ +} -/** Get the currently effective value (ie the one that corresponds to current output) - */ -float +/** Get the current effective `user' value based on automation state */ +double AutomationControl::get_value() const { - if (_list->automation_playback()) - return _list->eval(_session.transport_frame()); - else - return _user_value; + bool from_list = _list && ((AutomationList*)_list.get())->automation_playback(); + return Control::get_double (from_list, _session.transport_frame()); } - +/** Set the value and do the right thing based on automation state + * (e.g. record if necessary, etc.) + * @param value `user' value + */ void -AutomationControl::set_value(float value) +AutomationControl::set_value (double value) { - _user_value = value; - - if (_session.transport_stopped() && _list->automation_write()) - _list->add(_session.transport_frame(), value); + bool to_list = _list && ((AutomationList*)_list.get())->automation_write(); + + if (to_list && parameter().toggled()) { + + // store the previous value just before this so any + // interpolation works right + + + _list->add (get_double(), _session.transport_frame()-1); + } + + Control::set_double (value, _session.transport_frame(), to_list); Changed(); /* EMIT SIGNAL */ } +void +AutomationControl::set_list (boost::shared_ptr list) +{ + Control::set_list (list); + Changed(); /* EMIT SIGNAL */ +} -/** Get the latest user-set value, which may not equal get_value() when automation - * is playing back, etc. - * - * Automation write/touch works by periodically sampling this value and adding it - * to the AutomationList. - */ -float -AutomationControl::user_value() const +void +AutomationControl::set_automation_state (AutoState as) { - return _user_value; + if (as != alist()->automation_state()) { + + alist()->set_automation_state (as); + + if (as == Write) { + AutomationWatch::instance().add_automation_watch (shared_from_this()); + } else if (as == Touch) { + if (!touching()) { + AutomationWatch::instance().remove_automation_watch (shared_from_this()); + } else { + /* this seems unlikely, but the combination of + * a control surface and the mouse could make + * it possible to put the control into Touch + * mode *while* touching it. + */ + AutomationWatch::instance().add_automation_watch (shared_from_this()); + } + } else { + AutomationWatch::instance().remove_automation_watch (shared_from_this()); + } + } } - void -AutomationControl::set_list(boost::shared_ptr list) +AutomationControl::set_automation_style (AutoStyle as) { - _list = list; - _user_value = list->default_value(); - Changed(); /* EMIT SIGNAL */ + alist()->set_automation_style (as); +} + +void +AutomationControl::start_touch(double when) +{ + set_touching (true); + alist()->start_touch(when); + AutomationWatch::instance().add_automation_watch (shared_from_this()); } - -Parameter -AutomationControl::parameter() const +void +AutomationControl::stop_touch(bool mark, double when) { - return _list->parameter(); + set_touching (false); + alist()->stop_touch (mark, when); + AutomationWatch::instance().remove_automation_watch (shared_from_this()); }