[Accessibility] Make the screen-reader view the status bar

[Andrei Tuicu]

Hello!

In my previous email I asked some abstract questions that are meant to help
me better understand the mechanics behind Qt Accessibility engine. Here I
have a concrete problem.

As I said I'm trying to add support for accessbility in MuseScore. The part
that I'm working on now is providing a way to receive screen-reader
feedback about the selected score element. A score looks something like
this: http://musescore.com/user/256436/scores/238766 .

Everything that you see there is a QObject.  When discussing with my
mentor, we agreed that the simplest way to give feedback to the user would
be to put all the informations in the status bar and make the screen-reader
tell them. The problem that I'm facing now is that I can't seem to be able
to make the screen-reader view the status bar without giving focus to it
and that is not really an option, since the score will not receive any
commands in this case. Is there a workaround? The questions that I've asked
in the previous email were specific things  that I thought might be ways of
going about it. Though, it seems that it might be a simpler way that I'm
not aware of.

I'm open for any other suggestions and any comments are welcomed. :)

Thank you!
Andrei Tuicu
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