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livetrax/libs/pbd/controllable.cc
Paul Davis ffdf5ada61 Generic MIDI control now saves+restores its state; PBD::ID now requires a buffer size for its print() method
git-svn-id: svn://localhost/ardour2/trunk@949 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-10-05 01:49:32 +00:00

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797 B
C++

#include <pbd/controllable.h>
#include <pbd/xml++.h>
#include <pbd/error.h>
#include "i18n.h"
using namespace PBD;
sigc::signal<void,Controllable*> Controllable::GoingAway;
sigc::signal<bool,Controllable*> Controllable::StartLearning;
sigc::signal<void,Controllable*> Controllable::StopLearning;
Controllable::Controllable (std::string name)
: _name (name)
{
}
XMLNode&
Controllable::get_state ()
{
XMLNode* node = new XMLNode (_name);
char buf[64];
_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;
}
}