2 Copyright (C) 2000-2007 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "pbd/controllable.h"
21 #include "pbd/enumwriter.h"
22 #include "pbd/xml++.h"
23 #include "pbd/error.h"
24 #include "pbd/types_convert.h"
25 #include "pbd/string_convert.h"
32 PBD::Signal1<void,Controllable*> Controllable::Destroyed;
33 PBD::Signal1<bool, boost::weak_ptr<PBD::Controllable> > Controllable::StartLearning;
34 PBD::Signal1<void, boost::weak_ptr<PBD::Controllable> > Controllable::StopLearning;
35 PBD::Signal1<void, boost::weak_ptr<PBD::Controllable> > Controllable::GUIFocusChanged;
37 const std::string Controllable::xml_node_name = X_("Controllable");
39 Controllable::Controllable (const string& name, Flag f)
46 Controllable::get_state ()
48 XMLNode* node = new XMLNode (xml_node_name);
50 /* Waves' "Pressure3" has a parameter called "µ-iness"
51 * which causes a parser error : Input is not proper UTF-8, indicate encoding !
52 * Bytes: 0xB5 0x2D 0x69 0x6E
53 * <Controllable name="�-iness" id="2391" flags="" value="0.000000000000" p
56 // this is not reloaded from XML, but it must be present because it is
57 // used to find and identify XML nodes by various Controllable-derived objects
59 node->set_property (X_("name"), _name);
60 node->set_property (X_("id"), id());
61 node->set_property (X_("flags"), _flags);
62 node->set_property (X_("value"), get_save_value());
65 node->add_child_copy (*_extra_xml);
72 Controllable::set_state (const XMLNode& node, int /*version*/)
74 Stateful::save_extra_xml (node);
78 if (node.get_property (X_("flags"), _flags)) {
79 _flags = Flag(_flags | (_flags & Controllable::RealTime));
83 if (node.get_property (X_("value"), val)) {
84 set_value (val, NoGroup);
90 Controllable::set_flags (Flag f)