From 86d9edd57268b4ebdc92844d65db4469d516b1d1 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 20 Jul 2008 19:11:43 +0000
Subject: [PATCH] Add UserInterface class

---
 source/userinterface.cpp | 36 +++++++++++++++++++++
 source/userinterface.h   | 70 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 106 insertions(+)
 create mode 100644 source/userinterface.cpp
 create mode 100644 source/userinterface.h

diff --git a/source/userinterface.cpp b/source/userinterface.cpp
new file mode 100644
index 0000000..7f976da
--- /dev/null
+++ b/source/userinterface.cpp
@@ -0,0 +1,36 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2008  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#include "userinterface.h"
+
+namespace Msp {
+namespace GLtk {
+
+UserInterface::UserInterface(Resources &r, Graphics::Window &w):
+	root(r, w)
+{ }
+
+
+UserInterface::Loader::Loader(UserInterface &u):
+	ui(u)
+{
+	add("logic", &Loader::logic);
+	add("root",  &Loader::root);
+}
+
+void UserInterface::Loader::logic()
+{
+	load_sub(ui.logic, ui.widgets);
+}
+
+void UserInterface::Loader::root()
+{
+	load_sub(ui.root, ui.widgets);
+}
+
+} // namespace GLtk
+} // namespace Msp
diff --git a/source/userinterface.h b/source/userinterface.h
new file mode 100644
index 0000000..c821320
--- /dev/null
+++ b/source/userinterface.h
@@ -0,0 +1,70 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2008  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#ifndef MSP_GLTK_USERINTERFACE_H_
+#define MSP_GLTK_USERINTERFACE_H_
+
+#include "logic.h"
+#include "root.h"
+
+namespace Msp {
+namespace GLtk {
+
+/**
+Encapsulates a Root widget and Logic associated with it.  Allows looking up
+widgets by name.
+*/
+class UserInterface
+{
+public:
+	class Loader: public DataFile::Loader
+	{
+	private:
+		UserInterface &ui;
+
+	public:
+		Loader(UserInterface &);
+	private:
+		void logic();
+		void root();
+	};
+
+private:
+	std::map<std::string, Widget *> widgets;
+	Root root;
+	Logic logic;
+
+public:
+	UserInterface(Resources &, Graphics::Window &);
+	Root &get_root() { return root; }
+	const Logic &get_logic() const { return logic; }
+
+	template<typename W>
+	W &get_widget(const std::string &n) const
+	{
+		std::map<std::string, Widget *>::const_iterator i=widgets.find(n);
+		if(i==widgets.end())
+			throw KeyError("Unknown widget", n);
+
+		W *w=dynamic_cast<W *>(i->second);
+		if(!w)
+			throw Exception("Widget type mismatch");
+
+		return *w;
+	}
+
+	template<typename W>
+	void get_widget(const std::string &n, W *&w) const
+	{
+		w=&get_widget<W>(n);
+	}
+};
+
+} // namespace GLtk
+} // namespace Msp
+
+#endif
-- 
2.43.0