119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
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/*
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Copyright (C) 2000-2007 Paul Davis
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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 <pbd/controllable.h>
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#include <pbd/xml++.h>
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#include <pbd/error.h>
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#include "i18n.h"
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using namespace PBD;
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sigc::signal<void,Controllable*> Controllable::Destroyed;
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sigc::signal<bool,Controllable*> Controllable::StartLearning;
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sigc::signal<void,Controllable*> Controllable::StopLearning;
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sigc::signal<void,Controllable*,int,int> Controllable::CreateBinding;
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sigc::signal<void,Controllable*> Controllable::DeleteBinding;
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Glib::Mutex* Controllable::registry_lock = 0;
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Controllable::Controllables Controllable::registry;
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Controllable::Controllable (std::string name)
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: _name (name)
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{
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if (registry_lock == 0) {
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registry_lock = new Glib::Mutex;
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}
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add ();
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}
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void
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Controllable::add ()
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{
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Glib::Mutex::Lock lm (*registry_lock);
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registry.insert (this);
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this->GoingAway.connect (mem_fun (this, &Controllable::remove));
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}
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void
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Controllable::remove ()
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{
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Glib::Mutex::Lock lm (*registry_lock);
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for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
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if ((*i) == this) {
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registry.erase (i);
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break;
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}
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}
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}
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Controllable*
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Controllable::by_id (const ID& id)
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{
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Glib::Mutex::Lock lm (*registry_lock);
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for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
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if ((*i)->id() == id) {
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return (*i);
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}
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}
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return 0;
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}
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Controllable*
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Controllable::by_name (const std::string& str)
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{
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Glib::Mutex::Lock lm (*registry_lock);
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for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
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if ((*i)->_name == str) {
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return (*i);
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}
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}
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return 0;
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}
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XMLNode&
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Controllable::get_state ()
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{
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XMLNode* node = new XMLNode (X_("controllable"));
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char buf[64];
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node->add_property (X_("name"), _name); // not reloaded from XML state, just there to look at
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_id.print (buf, sizeof (buf));
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node->add_property (X_("id"), buf);
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return *node;
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}
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int
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Controllable::set_state (const XMLNode& node)
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{
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const XMLProperty* prop = node.property (X_("id"));
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if (prop) {
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_id = prop->value();
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return 0;
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} else {
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error << _("Controllable state node has no ID property") << endmsg;
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return -1;
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}
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}
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