* basic builder app runs - you can build a tree of elements making up a interface for roo and gtk.
* listeners are created correctly.
+* listeners with gtk prototypes
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TODO
-* listeners (for gtk need prototypes);
+* Gtk properties that are enums - should show some kind of selector.
+* adding a file does not display on project tree straight awya..
* calculate mouseover for rendered view of Gtk preview.
* create output to JS ...
* templates for elements... - eg. defaults for classic elements.