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Implementing ATK Subinterfaces

  • ATK supports interface query
  • Interfaces allow ATs to do functional heuristics
    • app-side code can do this too, e.g. ATK_IS_TEXT (atko)
  • Custom Widget implementors must decide:
    • which implementations/methods from the "anonymous" parent to override
    • which subinterfaces express capabilities of the widget and thus should be implemented