Re: [orca-list] Contribution for Object Navigation

[Joanmarie Diggs <jdiggs igalia com>]

I'd have to take a look at it, but it's potentially worthy of inclusion
directly in Orca. Mind doing a merge request so it can be reviewed and
discussed?

Thanks!
--joanie

On Mon, 2020-08-10 at 19:39 +0200, Rynhardt Kruger via orca-list wrote:
> Hi everyone,
>
> With relation to the recent discussion about reading mathematics,
> I've
> wondered if object navigation functionality can be used to read
> mathematical equations in more detail. I'm specifically referring to
> the functionality provided by NVDA and Voiceover, whereby one can
> navigate through the object hierarchy of the UI. Note that as far as
> I
> know NVDA doesn't actually use object navigation for equation
> reading,
> but rather gets MathPlayer to handle it.
> To test whether object navigation could be useful for equations, I
> made a small implementation for Orca over the long weekend, and it
> seems to work reasonably well. My implementation can also be used for
> navigation in general. I also try to simplify the object hierarchy
> somewhat, by removing panels and other elements without interesting
> text, though this might require some tuning still. Also, in the case
> of maths in particular, I'm not sure how to include things like the
> start and end of fractions, super and subscript indicators, and other
> non-symbolic indicators in the hierarchy. These things get read out
> when encountered as part of an expression or sub-expression, but not
> at the leaves of the object tree. (I should note that I use Orca's
> excellent generator functionality to produce the actual announcements
> for each object.)
>
> So my question is, would something like this be useful enough to be
> included in Orca itself? If so, I can make a merge request on Gitlab.
> If not, it might be useful as an extension for Orca, but I'm not
> exactly sure how it could be packaged.
> I could also just upload it to a github repo for further input.
>
> Thanks and regards,
>
> Rynhardt
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