Re: Mapping between DOM3 keylist and CEA2014/OIPF virtual keycodes

On Tue, Aug 13, 2013 at 6:03 PM, Clift, Graham <Graham.Clift@am.sony.com>wrote:

>  I would think the back key should be handled by user agent and not passed to application, correct?
>
> At least in OIPF/HbbTV/CEA2014, the back key is delivered to the app. And
I don't see any problem in doing it (at least in the TV space).

BTW maybe I found it, it's probably "BrowserBack".


> Does W3C specify key mappings for application and user agent level?
>
> The dom3 spec says that a UA "must support at least this set of values for
use in the KeyboardEvent.char and KeyboardEvent.key attributes, though not
all values may be available on all platforms or devices."

/g


>
> Regards, Graham
>
> Giuseppe Pascale <giuseppep@opera.com> wrote:
>
>
>  Olivier (replying in the right thread)
>
> > VK_BACK is not specified in :
> > [37] Advanced Television Systems Committee, DTV Application Software
> Environment Level 1 (DASE-1) Part 2, A/100-2, 9 March 2003,
> http://www.atsc.org/cms/standards/a100/a_100_2.pdf
> > Should you rather specify VK_BACK_SPACE (value 8)?
>
> As mentioned below, the spec I'm looking at is CEA2014, and it includes
> both VK_BACK and VK_BACK_SPACE.
> For the record the list I'm using comes from the OIPF Web Standards TV
> profile shared on this list a while ago
>
> http://www.oipf.tv/specifications/login/com-sef-users-download?gid=103
>
> Of course one could argue that VK_BACK and VK_BACK_SPACE are the same and
> the first should be dropped. Is that what you were suggesting?
>
> Note though that they are usually intended as different. See also this
> list that Glenn put together a while ago
>
> http://lists.w3.org/Archives/Public/public-web-and-tv/2011May/att-0039/vk-for-tv.html
>
>
> /g
>
>
> On Tue, Aug 13, 2013 at 9:43 AM, Giuseppe Pascale <giuseppep@opera.com>
> wrote:
> > Hi all,
> > I was trying to map the key values in DOM3 spec [1] with the ones
> defined by
> > CEA2014
> > The result is attached. I was wondering if people on this list with
> relevant
> > knowledge (Glenn, Mark, Bob, Doug, I'm looking at you ;) ) could check it
> > and see if it they agree on the mapping.
> >
> > In particular, I have an issue with the "back" key: CEA2014 have both a
> > "VK_BACK" and VK_BACK_SLASH". The latter maps on DOM3 "Backspace" but
> what
> > about the first?
> >
> > (VK_BACK is the "return" key you find on many TV remote controllers)
> >
> > cheers,
> > /g
> >
> > [1]
> >
> http://www.w3.org/TR/2012/WD-DOM-Level-3-Events-20120906/#key-values-list
> >
> >
> >
> >
> >
>