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"
30 PBD::Signal1<void,Controllable*> Controllable::Destroyed;
31 PBD::Signal1<bool,Controllable*> Controllable::StartLearning;
32 PBD::Signal1<void,Controllable*> Controllable::StopLearning;
33 PBD::Signal3<void,Controllable*,int,int> Controllable::CreateBinding;
34 PBD::Signal1<void,Controllable*> Controllable::DeleteBinding;
36 Glib::StaticRWLock Controllable::registry_lock = GLIBMM_STATIC_RW_LOCK_INIT;
37 Controllable::Controllables Controllable::registry;
38 PBD::ScopedConnectionList registry_connections;
40 Controllable::Controllable (const string& name, Flag f)
48 Controllable::add (Controllable& ctl)
50 using namespace boost;
52 Glib::RWLock::WriterLock lm (registry_lock);
53 registry.insert (&ctl);
55 /* Controllable::remove() is static - no need to manage this connection */
57 ctl.DropReferences.connect_same_thread (registry_connections, boost::bind (&Controllable::remove, &ctl));
61 Controllable::remove (Controllable* ctl)
63 Glib::RWLock::WriterLock lm (registry_lock);
65 for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
74 Controllable::by_id (const ID& id)
76 Glib::RWLock::ReaderLock lm (registry_lock);
78 for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
79 if ((*i)->id() == id) {
87 Controllable::by_name (const string& str)
89 Glib::RWLock::ReaderLock lm (registry_lock);
91 for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
92 if ((*i)->_name == str) {
100 Controllable::get_state ()
102 XMLNode* node = new XMLNode (X_("Controllable"));
105 node->add_property (X_("name"), _name); // not reloaded from XML state, just there to look at
106 _id.print (buf, sizeof (buf));
107 node->add_property (X_("id"), buf);
108 node->add_property (X_("flags"), enum_2_string (_flags));
114 Controllable::set_state (const XMLNode& node, int /*version*/)
116 const XMLProperty* prop;
118 if ((prop = node.property (X_("id"))) != 0) {
122 error << _("Controllable state node has no ID property") << endmsg;
126 if ((prop = node.property (X_("flags"))) != 0) {
127 _flags = (Flag) string_2_enum (prop->value(), _flags);
132 Controllable::set_flags (Flag f)