Output code to handle callbacks.
Output code to handle menu/toolbar creation.
Output code to handle properties not wrapped by GtkArgs.
Output supporting makefiles (may just copy code from glade)
I think I'm only going to output a Makefile.am, which will then be processed by the higher-level Makefile produced by glade. Need a coherent strategy for handling user-added code to output files.
Output widget creation lines.
Mostly done. Need to handle special cases of _new functions where special parameters must be passed, such as gtk_window_new.