Added Window as a subclass of Screen

Screen should be os/hardware independent window should contain all nastiness.
~g2k

include/window.h

@@ -0,0 +1,29 @@
+#ifndef __window_h__
+#define __window_h__
+
+#include "screen.h"
+#ifdef __linux
+#include <GL/glx.h>
+#include <X11/extensions/xf86vmode.h>
+#include <X11/keysym.h>
+#endif
+
+namespace OpenArena
+{
+	class Window: public SCREEN
+	{
+	public:
+		#ifdef __linux
+		Display* display;
+		int screen;
+		::Window window;
+		GLXContext hRC;
+		XSetWindowAttributes attributes;
+		bool doubleBuffered;
+		XF86VidModeModeInfo vidMode;
+		int x, y;
+		#endif
+	};
+};
+
+#endif