Re: minimum target size for mouse

Hi David, MATF,

Just a quick touch-back regarding "pixel". Is the TF aware of this
research/problem:

   - A pixel is not a pixel is not a pixel -
   http://www.quirksmode.org/blog/archives/2010/04/a_pixel_is_not.html
   - PPK's video on the same topic:
   https://www.youtube.com/watch?v=4wscVOXjIzQ
   - A Pixel Identity Crisis:
   http://alistapart.com/article/a-pixel-identity-crisis

FWIW

JF

On Thu, Apr 21, 2016 at 11:17 AM, David MacDonald <david100@sympatico.ca>
wrote:

> The feeling of the the mobile task force is that our touch size SC should
> include a minimum size for a pointer/mouse target in addition to touch. We're
> not sure what that minimum should be, whether it should be the same 44px as
> the touch or smaller. It was the end of the call so were were not able to
> flesh this out sufficiently... Os I'm creating a discussion here. If there
> is momentum I'll set up a WIKI page. There is some discussion about how
> would the author know the what is activating the control on responsive
> sites that share icons for touch AND pointer. The current wording is.
> 2.5.4 Target Size: A touch target
> <https://w3c.github.io/Mobile-A11y-Extension/#def-touch-target> is at
> least 44px by 44px of the visible display at the default viewport size.
> (Level AA)
> What about this amendment, If it's an ok construct, then what value should
> be for the pointer minimum size.
> 2.5.4 Target Size: A touch target
> <https://w3c.github.io/Mobile-A11y-Extension/#def-touch-target> is at
> least 44px by 44px and the pointer/mouse target is at least <x pixels> by
> <y pixels> of the visible display at the default viewport size. (Level AA)
>



-- 
John Foliot
Principal Accessibility Consultant
Deque Systems Inc.
john.foliot@deque.com

Advancing the mission of digital accessibility and inclusion