UX improvements for Button:active handling, added Style stub, Default element width/height is now window width/height instead of 0,0; may need tweaking.

lib/cyberarm_engine/ui/gui_state.rb

@@ -21,11 +21,17 @@ module CyberarmEngine
       setup
     end
 
+    # throws :blur event to focused element and sets GuiState focused element
+    # Does NOT throw :focus event at element or set element as focused
     def focus=(element)
-      @focus.publish(:blur) if @focus and element
+      @focus.publish(:blur) if @focus and element && @focus != element
       @focus = element
     end
 
+    def focused
+      @focus
+    end
+
     def update
       super