X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fpbd%2Fcontrollable.cc;h=42e015ac6f90a6d179841ba25cd96a42d7f3ad52;hb=16ce39c2309769789784a1f74e41ce0c49a75282;hp=b1176c64a52a59dac2c6544940ce35572c2712b4;hpb=79986643c0c904f6574bb5323e2233a43a9e622e;p=ardour.git diff --git a/libs/pbd/controllable.cc b/libs/pbd/controllable.cc index b1176c64a5..42e015ac6f 100644 --- a/libs/pbd/controllable.cc +++ b/libs/pbd/controllable.cc @@ -1,26 +1,157 @@ -#include -#include +/* + 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 Controllable::Destroyed; +PBD::Signal1 Controllable::StartLearning; +PBD::Signal1 Controllable::StopLearning; +PBD::Signal3 Controllable::CreateBinding; +PBD::Signal1 Controllable::DeleteBinding; -sigc::signal Controllable::Created; -sigc::signal Controllable::GoingAway; -sigc::signal Controllable::StartLearning; -sigc::signal Controllable::StopLearning; +Glib::Threads::RWLock Controllable::registry_lock; +Controllable::Controllables Controllable::registry; +PBD::ScopedConnectionList* registry_connections = 0; +const std::string Controllable::xml_node_name = X_("Controllable"); -Controllable::Controllable () +Controllable::Controllable (const string& name, Flag f) + : _name (name) + , _flags (f) + , _touching (false) { - Created (this); + add (*this); +} + +void +Controllable::add (Controllable& ctl) +{ + using namespace boost; + + Glib::Threads::RWLock::WriterLock lm (registry_lock); + registry.insert (&ctl); + + if (!registry_connections) { + registry_connections = new ScopedConnectionList; + } + + /* 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::Threads::RWLock::WriterLock lm (registry_lock); + + for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) { + if ((*i) == ctl) { + registry.erase (i); + break; + } + } +} + +Controllable* +Controllable::by_id (const ID& id) +{ + Glib::Threads::RWLock::ReaderLock lm (registry_lock); + + 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) +{ + Glib::Threads::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); + + if (_extra_xml) { + node->add_child_copy (*_extra_xml); + } + return *node; } + + +int +Controllable::set_state (const XMLNode& node, int /*version*/) +{ + LocaleGuard lg (X_("POSIX")); + const XMLProperty* prop; + + Stateful::save_extra_xml (node); + + set_id (node); + + 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; +}