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<bool, boost::weak_ptr<PBD::Controllable> > Controllable::StartLearning;
33 PBD::Signal1<void, boost::weak_ptr<PBD::Controllable> > Controllable::StopLearning;
34 PBD::Signal1<void, boost::weak_ptr<PBD::Controllable> > Controllable::GUIFocusChanged;
36 Glib::Threads::RWLock Controllable::registry_lock;
37 Controllable::Controllables Controllable::registry;
38 PBD::ScopedConnectionList Controllable::registry_connections;
40 const std::string Controllable::xml_node_name = X_("Controllable");
42 Controllable::Controllable (const string& name, Flag f)
51 Controllable::get_state ()
53 XMLNode* node = new XMLNode (xml_node_name);
55 /* Waves' "Pressure3" has a parameter called "µ-iness"
56 * which causes a parser error : Input is not proper UTF-8, indicate encoding !
57 * Bytes: 0xB5 0x2D 0x69 0x6E
58 * <Controllable name="�-iness" id="2391" flags="" value="0.000000000000" p
61 // this is not reloaded from XML, but it must be present because it is
62 // used to find and identify XML nodes by various Controllable-derived objects
64 node->set_property (X_("name"), _name);
65 node->set_property (X_("id"), id());
66 node->set_property (X_("flags"), _flags);
67 node->set_property (X_("value"), get_save_value());
70 node->add_child_copy (*_extra_xml);
77 Controllable::set_state (const XMLNode& node, int /*version*/)
79 Stateful::save_extra_xml (node);
83 if (node.get_property (X_("flags"), _flags)) {
84 _flags = Flag(_flags | (_flags & Controllable::RealTime));
88 if (node.get_property (X_("value"), val)) {
89 set_value (val, NoGroup);
95 Controllable::set_flags (Flag f)
101 Controllable::add (Controllable& ctl)
103 Glib::Threads::RWLock::WriterLock lm (registry_lock);
104 registry.insert (&ctl);
105 ctl.DropReferences.connect_same_thread (registry_connections, boost::bind (&Controllable::remove, &ctl));
106 ctl.Destroyed.connect_same_thread (registry_connections, boost::bind (&Controllable::remove, &ctl));
110 Controllable::remove (Controllable* ctl)
112 Glib::Threads::RWLock::WriterLock lm (registry_lock);
113 Controllables::iterator i = std::find (registry.begin(), registry.end(), ctl);
114 if (i != registry.end()) {
119 boost::shared_ptr<Controllable>
120 Controllable::by_id (const ID& id)
122 Glib::Threads::RWLock::ReaderLock lm (registry_lock);
124 for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
125 if ((*i)->id() == id) {
126 return (*i)->shared_from_this ();
129 return boost::shared_ptr<Controllable>();
133 Controllable::dump_registry ()
135 Glib::Threads::RWLock::ReaderLock lm (registry_lock);
136 unsigned int cnt = 0;
137 cout << "-- List Of Registered Controllables\n";
138 for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i, ++cnt) {
139 cout << "CTRL: " << (*i)->name() << "\n";
141 cout << "Total number of registered sontrollables: " << cnt << "\n";