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diff --git a/src/StateManager.hpp b/src/StateManager.hpp
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+/* This file is part of Patchage.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Patchage 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.
+ * 
+ * Patchage 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 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#ifndef STATEMANAGER_H
+#define STATEMANAGER_H
+
+#include <string>
+#include <list>
+#include <map>
+#include <iostream>
+#include "PatchagePort.hpp"
+
+using std::string; using std::list; using std::map;
+
+
+enum ModuleType { Input, Output, InputOutput };
+struct Coord { double x; double y; };
+
+// This should probably be moved out in to a seperate class/file....
+typedef struct ModuleLocation
+{
+	string name;
+	ModuleType  type; // for distinguishing terminal modules (input or output)
+	Coord       loc;
+};
+
+
+class StateManager
+{
+public:
+	StateManager();
+
+	void load(const string& filename);
+	void save(const string& filename);
+
+	Coord get_module_location(const string& name, ModuleType type);
+	void  set_module_location(const string& name, ModuleType type, Coord loc);
+
+	void set_module_split(const string& name, bool split);
+	bool get_module_split(const string& name, bool default_val) const;
+	
+	Coord get_window_location();
+	void  set_window_location(Coord loc);
+
+	Coord get_window_size();
+	void  set_window_size(Coord loc);
+
+	float get_zoom();
+	void  set_zoom(float zoom);
+	
+	int get_port_color(PortType type);
+
+private:
+	list<ModuleLocation> _module_locations;
+	map<string,bool>     _module_splits;
+	Coord                _window_location;
+	Coord                _window_size;
+	float                _zoom;
+};
+
+
+#endif // STATEMANAGER_H