-#include <pbd/controllable.h>
-#include <pbd/xml++.h>
+/*
+ Copyright (C) 2000-2007 Paul Davis
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "pbd/controllable.h"
+#include "pbd/enumwriter.h"
+#include "pbd/xml++.h"
+#include "pbd/error.h"
+#include "pbd/locale_guard.h"
#include "i18n.h"
using namespace PBD;
+using namespace std;
+
+PBD::Signal1<void,Controllable*> Controllable::Destroyed;
+PBD::Signal1<bool,Controllable*> Controllable::StartLearning;
+PBD::Signal1<void,Controllable*> Controllable::StopLearning;
+PBD::Signal3<void,Controllable*,int,int> Controllable::CreateBinding;
+PBD::Signal1<void,Controllable*> Controllable::DeleteBinding;
+
+Glib::StaticRWLock Controllable::registry_lock = GLIBMM_STATIC_RW_LOCK_INIT;
+Controllable::Controllables Controllable::registry;
+PBD::ScopedConnectionList registry_connections;
+const std::string Controllable::xml_node_name = X_("Controllable");
+
+Controllable::Controllable (const string& name, Flag f)
+ : _name (name)
+ , _flags (f)
+ , _touching (false)
+{
+ add (*this);
+}
+
+void
+Controllable::add (Controllable& ctl)
+{
+ using namespace boost;
+
+ Glib::RWLock::WriterLock lm (registry_lock);
+ registry.insert (&ctl);
+
+ /* Controllable::remove() is static - no need to manage this connection */
+
+ ctl.DropReferences.connect_same_thread (registry_connections, boost::bind (&Controllable::remove, &ctl));
+}
+
+void
+Controllable::remove (Controllable* ctl)
+{
+ Glib::RWLock::WriterLock lm (registry_lock);
+
+ for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+ if ((*i) == ctl) {
+ registry.erase (i);
+ break;
+ }
+ }
+}
-sigc::signal<void,Controllable*> Controllable::Created;
-sigc::signal<void,Controllable*> Controllable::GoingAway;
-sigc::signal<bool,Controllable*> Controllable::StartLearning;
-sigc::signal<void,Controllable*> Controllable::StopLearning;
+Controllable*
+Controllable::by_id (const ID& id)
+{
+ Glib::RWLock::ReaderLock lm (registry_lock);
-Controllable::Controllable ()
+ for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+ if ((*i)->id() == id) {
+ return (*i);
+ }
+ }
+ return 0;
+}
+
+Controllable*
+Controllable::by_name (const string& str)
{
- Created (this);
+ Glib::RWLock::ReaderLock lm (registry_lock);
+
+ for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) {
+ if ((*i)->_name == str) {
+ return (*i);
+ }
+ }
+ return 0;
}
XMLNode&
Controllable::get_state ()
{
- XMLNode* node = new XMLNode (X_("Controllable"));
+ XMLNode* node = new XMLNode (xml_node_name);
+ LocaleGuard lg (X_("POSIX"));
char buf[64];
- _id.print (buf);
+
+ node->add_property (X_("name"), _name); // not reloaded from XML state, just there to look at
+ _id.print (buf, sizeof (buf));
node->add_property (X_("id"), buf);
+ node->add_property (X_("flags"), enum_2_string (_flags));
+ snprintf (buf, sizeof (buf), "%2.12f", get_value());
+ node->add_property (X_("value"), buf);
+
return *node;
}
+
+
+int
+Controllable::set_state (const XMLNode& node, int /*version*/)
+{
+ LocaleGuard lg (X_("POSIX"));
+ const XMLProperty* prop;
+
+ if ((prop = node.property (X_("id"))) != 0) {
+ _id = prop->value();
+ } else {
+ error << _("Controllable state node has no ID property") << endmsg;
+ return -1;
+ }
+
+ if ((prop = node.property (X_("flags"))) != 0) {
+ _flags = (Flag) string_2_enum (prop->value(), _flags);
+ }
+
+ if ((prop = node.property (X_("value"))) != 0) {
+ float val;
+
+ if (sscanf (prop->value().c_str(), "%f", &val) == 1) {
+ set_value (val);
+ }
+ }
+
+ return 0;
+}
+
+void
+Controllable::set_flags (Flag f)
+{
+ _flags = f;
+}