> No, sorry for being unclear. It's solely to detect that the current
> focus_tracker_ variable value is invalid. This would enable you to
> see when the current focus widget (inside your group) loses focus
> and gets it again. Otherwise you wouldn't scroll the widget back
> into the visible area in that case. However, you would only need to
> do that, if the user scrolled the focus widget out with the scrollbars
> or something like that...

Ah, of course! That makes very good sense, actually. Another case might be a 
window resize, if events go through the queue for that. Agreed that I certainly 
need to track that, and setting focus_tracker_ to 0 would be a simple enough 
way.

DLT
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