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Re: Issue 650 Does the Hover or focus SC apply to tabbed interfaces?

From: David MacDonald <david100@sympatico.ca>
Date: Sat, 6 Jan 2018 19:48:45 -0500
Message-ID: <CAAdDpDbXpvY2Q89XCv0rnY=j61k6sjFdkTX=7FYL-oT=vZ1d3w@mail.gmail.com>
To: Andrew Kirkpatrick <akirkpat@adobe.com>
Cc: WCAG <w3c-wai-gl@w3.org>
> A tab set switches content, it doesn’t show additional content.

I think that is a concept we'll have to introduce, as I've never heard that
distinction before...

I'm guessing you mean "switches content within a consistent location on the
page which was there on page load" or something like that... I could agree
with that but I think we'll need to articulate that and draw a bright line
between switching content and adding content... we'll need to define when
its one and not the other.

Technically, I think a tabbed interface and a help button could use almost
the same technology to show the content. display:none to display:block ...
so we'll have to distinguish them conceptually in UI terms or something.

I do think the line "dismiss the additional content without moving pointer
hover or keyboard focus" is weird, because the user has to move the pointer
to hit the "x" ... how would a mouse user dismiss a popup without moving
the mouse?

Cheers,
David MacDonald



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On Sat, Jan 6, 2018 at 5:55 PM, Andrew Kirkpatrick <akirkpat@adobe.com>
wrote:

> I don’t think that this SC is a problem for a set of tabs or for a menu.
>
>
>
> For a set of tabs, I agree with Alastair that the content within other
> tabs is not additional content, it is part of the page content, but even if
> it was regarded as additional, the set of tabs is focused and what is
> changing is the selection, so this SC doesn’t apply.
>
>
>
> For a menu system, if I move my mouse pointer over an item that triggers a
> pop-out, I think that all of the items within this SC are appropriate.
>
>
>
> Is there another problem that I’m not aware of?
>
>
>
> Thanks,
>
> AWK
>
>
>
> Andrew Kirkpatrick
>
> Group Product Manager, Accessibility
>
> Adobe
>
>
>
> akirkpat@adobe.com
>
> http://twitter.com/awkawk
>
>
>
> *From: *David MacDonald <david100@sympatico.ca>
> *Date: *Friday, January 5, 2018 at 21:02
> *To: *WCAG <w3c-wai-gl@w3.org>
> *Subject: *Issue 650 Does the Hover or focus SC apply to tabbed
> interfaces?
> *Resent-From: *WCAG <w3c-wai-gl@w3.org>
> *Resent-Date: *Friday, January 5, 2018 at 20:58
>
>
>
> issue #650 to which I'm assigned
>
>
>
> They ask if the hover or focus SC applies to tabbed interfaces...
>
>
>
> The issue is significant as far as I can see. Initially, I wanted to say
> no because in general tabs don't change on hover. However, many tabbed
> interfaces change on focus. Such as the wai aria best practices example.
>
> https://www.w3.org/TR/wai-aria-practices-1.1/examples/
> tabs/tabs-1/tabs.html
> <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.w3.org%2FTR%2Fwai-aria-practices-1.1%2Fexamples%2Ftabs%2Ftabs-1%2Ftabs.html&data=02%7C01%7Cakirkpat%40adobe.com%7C7ca02e01f6f64e35d34508d554a98e83%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C636508009575940072&sdata=1FBrOg42EtFN5xyCw94kNF5Rjeqdc3Uk7UOJ7yz4U30%3D&reserved=0>
>
> The SC says that it must be able to "dismiss the additional content
> without moving pointer hover or keyboard focus" The way to dismiss a tab
> with a keyboard is to move focus to the next tab. Tabbed interfaces don't
> have a little "x" and you'd have to move focus even if there was. The
> problem in the SC seems to be "without moving pointer hover or keyboard
> focus" in the first bullet. It seems we'll need to amend the SC to say
> something like:
>
> ·         Dismissable: A mechanism is available to dismiss the additional
> content from within the new content or by moving focus away from the
> control that activated it, ...;
>
>
>
> It seems like a real problem.
>
>
> Cheers,
> David MacDonald
>
>
>
> *Can**Adapt* *Solutions Inc.*
>
> Tel:  613.235.4902 <(613)%20235-4902>
>
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Received on Sunday, 7 January 2018 00:49:10 UTC

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