Robin Gareus
4050ca5633
Copyright-holder and year information is extracted from git log. git history begins in 2005. So (C) from 1998..2005 is lost. Also some (C) assignment of commits where the committer didn't use --author.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/*
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* Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2011-2015 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2015-2016 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __gtk_ardour_gui_object_h__
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#define __gtk_ardour_gui_object_h__
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#include <map>
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#include <string>
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#include <boost/variant.hpp>
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#include "pbd/xml++.h"
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#include "pbd/id.h"
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class GUIObjectState
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{
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public:
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GUIObjectState ();
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static const std::string xml_node_name;
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void load (const XMLNode&);
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int set_state (const XMLNode&);
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XMLNode& get_state () const;
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/** Get a string from our state.
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* @param id property of Object node to look for.
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* @param prop_name name of the Object property to return.
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* @param empty if non-0, filled in with true if the property is currently non-existant, otherwise false.
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* @return value of property `prop_name', or empty.
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*/
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std::string get_string (const std::string& id, const std::string& prop_name, bool* empty = 0);
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template<typename T> void set_property (const std::string& id, const std::string& prop_name, const T& val) {
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XMLNode* child = get_or_add_node (id);
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child->set_property (prop_name.c_str(), val);
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}
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/** Remove node with provided id.
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* @param id property of Object node to look for.
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*/
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void remove_node (const std::string& id);
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std::list<std::string> all_ids () const;
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XMLNode* get_or_add_node (const std::string &);
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static XMLNode* get_node (const XMLNode *, const std::string &);
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static XMLNode* get_or_add_node (XMLNode *, const std::string &);
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private:
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// no copy construction. object_map saves pointers to _state XMLNodes
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// use set_state(get_state())
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GUIObjectState (const GUIObjectState& other);
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XMLNode _state;
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// ideally we'd use a O(1) hash table here,
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// but O(log(N)) is fine already.
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std::map <std::string, XMLNode*> object_map;
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};
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#endif /* __gtk_ardour_gui_object_h__ */
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