diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2008-06-02 21:41:35 +0000 |
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committer | Paul Davis <paul@linuxaudiosystems.com> | 2008-06-02 21:41:35 +0000 |
commit | 449aab3c465bbbf66d221fac3d7ea559f1720357 (patch) | |
tree | 6843cc40c88250a132acac701271f1504cd2df04 /libs/pbd/controllable.cc | |
parent | 9c0d7d72d70082a54f823cd44c0ccda5da64bb6f (diff) |
rollback to 3428, before the mysterious removal of libs/* at 3431/3432
git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/pbd/controllable.cc')
-rw-r--r-- | libs/pbd/controllable.cc | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/libs/pbd/controllable.cc b/libs/pbd/controllable.cc new file mode 100644 index 0000000000..c15b7a8cf2 --- /dev/null +++ b/libs/pbd/controllable.cc @@ -0,0 +1,118 @@ +/* + 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/xml++.h> +#include <pbd/error.h> + +#include "i18n.h" + +using namespace PBD; + +sigc::signal<void,Controllable*> Controllable::Destroyed; +sigc::signal<bool,Controllable*> Controllable::StartLearning; +sigc::signal<void,Controllable*> Controllable::StopLearning; +sigc::signal<void,Controllable*,int,int> Controllable::CreateBinding; +sigc::signal<void,Controllable*> Controllable::DeleteBinding; + +Glib::Mutex* Controllable::registry_lock = 0; +Controllable::Controllables Controllable::registry; + +Controllable::Controllable (std::string name) + : _name (name) +{ + if (registry_lock == 0) { + registry_lock = new Glib::Mutex; + } + + add (); +} + +void +Controllable::add () +{ + Glib::Mutex::Lock lm (*registry_lock); + registry.insert (this); + this->GoingAway.connect (mem_fun (this, &Controllable::remove)); +} + +void +Controllable::remove () +{ + Glib::Mutex::Lock lm (*registry_lock); + for (Controllables::iterator i = registry.begin(); i != registry.end(); ++i) { + if ((*i) == this) { + registry.erase (i); + break; + } + } +} + +Controllable* +Controllable::by_id (const ID& id) +{ + Glib::Mutex::Lock 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 std::string& str) +{ + Glib::Mutex::Lock 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")); + char buf[64]; + + 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); + return *node; +} + +int +Controllable::set_state (const XMLNode& node) +{ + const XMLProperty* prop = node.property (X_("id")); + + if (prop) { + _id = prop->value(); + return 0; + } else { + error << _("Controllable state node has no ID property") << endmsg; + return -1; + } +} |