libs/pbd/controllable.cc

   1 #include <pbd/controllable.h>
   2 #include <pbd/xml++.h>
   3 #include <pbd/error.h>
   4
   5 #include "i18n.h"
   6
   7 using namespace PBD;
   8
   9 sigc::signal<void,Controllable*> Controllable::Destroyed;
  10 sigc::signal<bool,Controllable*> Controllable::StartLearning;
  11 sigc::signal<void,Controllable*> Controllable::StopLearning;
  12
  13 Controllable::Controllable (std::string name)
  14         : _name (name)
  15 {
  16 }
  17
  18 XMLNode&
  19 Controllable::get_state ()
  20 {
  21         XMLNode* node = new XMLNode (_name);
  22         char buf[64];
  23         _id.print (buf, sizeof (buf));
  24         node->add_property (X_("id"), buf);
  25         return *node;
  26 }
  27
  28 int
  29 Controllable::set_state (const XMLNode& node)
  30 {
  31         const XMLProperty* prop = node.property (X_("id"));
  32
  33         if (prop) {
  34                 _id = prop->value();
  35                 return 0;
  36         } else {
  37                 error << _("Controllable state node has no ID property") << endmsg;
  38                 return -1;
  39         }
  40 }