Re: [orca-list] Work around for the gnome-shell switcher issue committed to master

["B. Henry" <burt1iband gmail com>]

Less verbos is better, panel is not going to help anyone who doesn't already know it's there I don't 
think/good defaults as usual/thanks.


On Fri, Oct 17, 2014 at 03:02:41PM -0400, Joanmarie Diggs wrote:
> Hey guys.
>
> As the subject indicates, I've worked around the gnome-shell switcher
> issue. The work-around is in master. And I'm pretty sure it won't
> introduce any regressions, but I'd love some confirmation before I
> commit the change to the stable branch.
>
> For the curious, what broke is apparently the ordering of accessible
> events we now get from the switcher. First we're told the selection has
> changed, then we're told a gnome-shell window has become activated,
> finally we're told a panel just became focused. What we want to present
> is being ignored because Orca doesn't know you're in a gnome-shell
> window. So I filed https://bugzilla.gnome.org/show_bug.cgi?id=738701
> against GNOME Shell.
>
> When a container with selectable children claims focus, Orca
> automatically looks for and presents the selected item. So the above bug
> should have caused Orca to say "Window" followed by the name of the
> initially-selected switcher item. But that code assumes that containers
> in which selection of children is possible implements AtkSelection. I
> know, how crazy is that? <grins> Turns out the switchers do not, and up
> to this point we didn't notice or care because the event ordering put
> the selection change last. So I filed another bug against GNOME Shell
> asking for AtkSelection to be implemented on at least the switchers:
> https://bugzilla.gnome.org/show_bug.cgi?id=738705
>
> What the change I committed does is work around the lack of the
> selection interface implementation. As a result, you don't get "Window
> panel Firefox push button"; you get "Window Firefox push button." I hope
> that's fine with you. If you really want "panel" back, let's wait and
> see what event ordering we get out of them for 738701 before I add
> another workaround. On the other hand, if you want nameless panels from
> GNOME shell to never be mentioned again, let's talk. <smiles>
>
> --joanie
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