ardour/gtk2_ardour/gui_object.h
Paul Davis 75e0f5a023 remove GUI object state when tracks/busses are removed.
Not doing this results in accumulation of useless GUI object state which is never cleaned up.
Taken from work by Grygorii Zharun.
2015-03-30 15:27:23 -04:00

65 lines
1.8 KiB
C++

/*
Copyright (C) 2011 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.
*/
#ifndef __gtk_ardour_gui_object_h__
#define __gtk_ardour_gui_object_h__
#include <map>
#include <string>
#include <boost/variant.hpp>
#include "pbd/xml++.h"
#include "pbd/id.h"
class GUIObjectState
{
public:
GUIObjectState ();
XMLNode& get_state () const;
int set_state (const XMLNode&);
static const std::string xml_node_name;
void load (const XMLNode&);
std::string get_string (const std::string& id, const std::string& prop_name, bool* empty = 0);
template<typename T> void set_property (const std::string& id, const std::string& prop_name, const T& val) {
XMLNode* child = get_or_add_node (id);
std::stringstream s;
s << val;
child->add_property (prop_name.c_str(), s.str());
}
std::list<std::string> all_ids () const;
static XMLNode* get_node (const XMLNode *, const std::string &);
XMLNode* get_or_add_node (const std::string &);
static XMLNode* get_or_add_node (XMLNode *, const std::string &);
void remove_node (const std::string& id);
private:
XMLNode _state;
};
#endif /* __gtk_ardour_gui_object_h__ */