Re: Proposed replies to Pointer Gestures public comments (IBM)

> Is there any other kind of pointer that is not single pointer that we
need to add here?

On the mobile platform, there are multiple gestures that require more than
one "finger"/pointer (pinch to zoom, swipe up with four or five fingers to
access the multitasking screen for iPad users, etc.) In that second
example, my understanding of the intent behind the SC was to say that in a
scenario where multiple-finger inputs are the "traditional" way of
interacting, that we don't exclude users who cannot provide multiple
inputs, and that a single-input alternative is provided.

(It may take extra steps to perform some of those functions, but critically
the task can be completed using nothing but single-input triggers)

JF

On Mon, Oct 9, 2017 at 10:58 AM, David MacDonald <david100@sympatico.ca>
wrote:

> *> I would prefer the simpler requirement that multipoint or timed
> gestures are not required unless doing so is essential (according to our
> definition of “essential”), which is what my counter-proposal to David’s
> says.*
>
> I support an amendment, but we might need a better exception...
>
> > unless a multipoint or timed gesture is essential.
>
> Is there any other kind of pointer that is not single pointer that we need
> to add here?
>
> Cheers,
> David MacDonald
>
>
>
> *Can**Adapt* *Solutions Inc.*
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> On Mon, Oct 9, 2017 at 11:35 AM, White, Jason J <jjwhite@ets.org> wrote:
>
>>
>>
>>
>>
>> *From:* David MacDonald [mailto:david100@sympatico.ca]
>> *Sent:* Monday, October 9, 2017 11:26 AM
>> *To:* White, Jason J <jjwhite@ets.org>
>> *Cc:* Detlev Fischer <detlev.fischer@testkreis.de>; WCAG <
>> w3c-wai-gl@w3.org>
>> *Subject:* Re: Proposed replies to Pointer Gestures public comments (IBM)
>>
>>
>>
>> > All functionality that can be operated with pointer input can be
>> operated with a single untimed pointer gesture, unless a multipoint or
>> timed gesture is essential.
>>
>>
>>
>> I'm open to a better suggestion than mine but I think we need to identify
>> that *IF* a control using muliti point or timed gesture *THEN* single point
>> can be used *UNLESS* its
>>
>> Essential
>>
>> *[Jason] Are you arguing that the same UI component must be able to
>> respond to either (1) a single untimed pointer gesture, or (2) a timed or
>> multipoint gesture? That is, if it supports (2), then it must support (1)
>> as well? I’m not sure that this is what the requirement should be, but I’m
>> at least trying to clarify David’s intent here.*
>>
>> *I would prefer the simpler requirement that multipoint or timed gestures
>> are not required unless doing so is essential (according to our definition
>> of “essential”), which is what my counter-proposal to David’s says.*
>>
>>
>>
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John Foliot
Principal Accessibility Strategist
Deque Systems Inc.
john.foliot@deque.com

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