I like "text pictures" :) but here is a snippet:
http://pastebin.com/sYeHQKFQ
I'd like to attemp a fix, must find the time to setup my environment
(cannot rebuild the whole framework for each try).



2013/9/20 Alex Harui <aha...@adobe.com>

> I didn't see that in your 'text picture', but yes you are correct, the
> FocusManager does not handle that condition.  You're welcome to try to fix
> it.
>
> -Alex
>
> On 9/20/13 8:05 AM, "Cosma Colanicchia" <cosma...@gmail.com> wrote:
>
> >Absolutely, but if there are other controls "interleaved" with the radio
> >buttons of the same group, when the focus leave this interleaved
> >components
> >the focus is "moved back" to the selected button... even if this is
> >"before" in the computed tab loop, actually creating a closed tab loop
> >that
> >is impossible to escape without using the mouse.
> >
> >
> >
> >
> >2013/9/20 Alex Harui <aha...@adobe.com>
> >
> >> The default behavior on Windows is/was that you tab to a group of radio
> >> buttons which will focus the selected one or the first one if none are
> >> selected, then use arrow keys to move between them.  Another tab moves
> >>you
> >> to the next/previous control or group.
> >>
> >> The Flex FocusManager attempts to replicate that behavior.  Is that what
> >> you are seeing?
> >>
> >> -Alex
> >>
> >> On 9/20/13 7:08 AM, "Cosma Colanicchia" <cosma...@gmail.com> wrote:
> >>
> >> >Hi list, maybe I found an issue with keyobard focus manager.
> >> >I have a situation like this (hope you get the pic):
> >> >
> >> >
> >> >[previous controls]
> >> >[radio A]                           [radio B]
> >> >   [radio A1]                         [radio B1] [text input]
> >> >   [radio A2]                         [radio B2]
> >> >[next controls]
> >> >
> >> >
> >> >Now, the tab focus management is completely broken:
> >> > - when focus is on [radio A2], tab go back to [radio A] - there's no
> >>way
> >> >to move to [next controls]
> >> > - when focus is on [text input], tab go back to [radio B1] - again, no
> >> >way
> >> >to move to [next controls]
> >> >
> >> >
> >> >I think that the bug is in the FocusManager.getIndexOfNextObject
> >>method:
> >> >when focus is on [radio A2], the next focus candidate is [radio B]
> >>(due to
> >> >containers visual layout), but it is part of a focus group, so the
> >> >FocusManager bring it to *the selected element of its focus group*,
> >>that
> >> >is
> >> >[radio A].
> >> >
> >> >In my opinion, this should be done only if no other elements of the
> >> >same focus group have an index, in the focus candidate list, that is
> >>less
> >> >then the index of the current focused component, to avoid "moving back"
> >> >the
> >> >focus and creating closed tab loops (maybe reversing the index check
> >>when
> >> >moving focus backwards).
> >> >
> >> >
> >> >
> >> >The only workaround I found so far is structuring the containers so
> >>that
> >> >component belonging to the same focus group are kept adjacent, but it
> >>is
> >> >very difficult (if not impossible) to achieve the same visual output
> >>(e.g.
> >> >put [radioA] and [radioB] in a dedicated HGroup, ditto for [radio B1]
> >>and
> >> >[radio B2], trying to keep [text input] aligned to [radio B1] someway).
> >> >
> >> >Any thoughts on this? If I'm not missing something obvious, I'd like to
> >> >file an issue...
> >>
> >>
>
>

Reply via email to