Paul Davis
10cb0a7646
git-svn-id: svn://localhost/ardour2/branches/3.0@9796 d708f5d6-7413-0410-9779-e7cbd77b26cf
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
/*
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Copyright (C) 2011 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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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public:
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GUIObjectState() {}
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~GUIObjectState();
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XMLNode& get_state () const;
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int set_state (const XMLNode&);
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static const std::string xml_node_name;
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void load (const XMLNode&);
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GUIObjectState& operator= (const GUIObjectState& other);
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private:
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typedef boost::variant<int64_t,std::string> Variant;
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typedef std::map<std::string,Variant> PropertyMap;
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typedef std::map<std::string,PropertyMap> StringPropertyMap;
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StringPropertyMap _property_maps;
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template<typename T> T get (const std::string& id, const std::string& prop_name, const T& type_determination_placeholder, bool* empty = 0) {
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StringPropertyMap::iterator i = _property_maps.find (id);
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if (i == _property_maps.end()) {
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if (empty) {
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*empty = true;
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}
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return T();
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}
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const PropertyMap& pmap (i->second);
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PropertyMap::const_iterator p = pmap.find (prop_name);
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if (p == pmap.end()) {
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return T();
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}
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return boost::get<T> (p->second);
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}
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void clear_maps ();
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public:
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int get_int (const std::string& id, const std::string& prop_name) {
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int i = 0;
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return get (id, prop_name, i);
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}
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std::string get_string (const std::string& id, const std::string& prop_name) {
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std::string s;
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return get (id, prop_name, s);
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}
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template<typename T> void set (const std::string& id, const std::string& prop_name, const T& val) {
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StringPropertyMap::iterator i = _property_maps.find (id);
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if (i != _property_maps.end()) {
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i->second[prop_name] = val;
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// std::cerr << id << " REset " << prop_name << " = [" << val << "]\n";
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} else {
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_property_maps[id] = PropertyMap();
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_property_maps[id][prop_name] = val;
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// std::cerr << id << " set " << prop_name << " = [" << val << "]\n";
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}
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}
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};
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#endif /* __gtk_ardour_gui_object_h__ */
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