Moved canvas colors and theme file selection into new ui specific config system, added rest of the files

git-svn-id: svn://localhost/ardour2/trunk@2087 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/ui_config.h

@@ -0,0 +1,134 @@
+/*
+    Copyright (C) 2000-2007 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 __ardour_ui_configuration_h__
+#define __ardour_ui_configuration_h__
+
+#include <sstream>
+#include <ostream>
+#include <iostream>
+
+#include <pbd/stateful.h> 
+#include <pbd/xml++.h>
+
+template<class T>
+class UIConfigVariable 
+{
+  public:
+	UIConfigVariable (std::string str) : _name (str) {}
+	UIConfigVariable (std::string str, T val) : _name (str), value(val) {}
+
+	std::string name() const { return _name; }
+
+	bool set (T val) {
+		if (val == value) {
+			return false;
+		}
+		value = val;
+		return true;
+	}
+
+	T get() const {
+		return value;
+	}
+
+	void add_to_node (XMLNode& node) {
+		std::stringstream ss;
+		ss << std::hex;
+		ss.fill('0');
+		ss.width(8);
+		ss << value;
+		XMLNode* child = new XMLNode ("Option");
+		child->add_property ("name", _name);
+		child->add_property ("value", ss.str());
+		node.add_child_nocopy (*child);
+	}
+	
+	bool set_from_node (const XMLNode& node) {
+
+		const XMLProperty* prop;
+		XMLNodeList nlist;
+		XMLNodeConstIterator niter;
+		XMLNode* child;
+			
+		nlist = node.children();
+			
+		for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+				
+			child = *niter;
+				
+			if (child->name() == "Option") {
+				if ((prop = child->property ("name")) != 0) {
+					if (prop->value() == _name) {
+						if ((prop = child->property ("value")) != 0) {
+							std::stringstream ss;
+							ss << std::hex;
+							ss << prop->value();
+							ss >> value;
+
+							return true;
+						}
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+  protected:
+	T get_for_save() { return value; }
+	T value;
+	std::string _name;
+};
+
+class UIConfiguration : public PBD::Stateful
+{
+  public:
+	UIConfiguration();
+	~UIConfiguration();
+
+	std::vector<UIConfigVariable<uint32_t> *> canvas_colors;
+
+	int load_state ();
+	int save_state ();
+
+	int set_state (const XMLNode&);
+	XMLNode& get_state (void);
+	XMLNode& get_variables (std::string);
+	void set_variables (const XMLNode&);
+	void pack_canvasvars ();
+
+	sigc::signal<void,const char*> ParameterChanged;
+
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+#define UI_CONFIG_VARIABLE(Type,var,name,val) UIConfigVariable<Type> var;
+#define CANVAS_VARIABLE(var,name) UIConfigVariable<uint32_t> var;
+#include "ui_config_vars.h"
+#include "canvas_vars.h"
+#undef  UI_CONFIG_VARIABLE
+#undef  CANVAS_VARIABLE
+
+  private:
+	XMLNode& state ();
+	bool hack;
+};
+
+#endif /* __ardour_ui_configuration_h__ */
+