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Re: CDR: pointer event description vs. z-order

From: Maciej Stachowiak <mjs@apple.com>
Date: Mon, 30 Jan 2006 18:55:15 -0800
Message-Id: <90487362-0D06-4865-9487-53B216A08EA5@apple.com>
Cc: public-cdf@w3.org
To: "L. David Baron" <dbaron@dbaron.org>


On Jan 29, 2006, at 5:14 PM, L. David Baron wrote:

> On Monday 2006-01-02 01:49 -0800, Maciej Stachowiak wrote:
>> "The target element for pointer device events is established by first
>> determining the most deeply nested child document which has content
>> that intersects with the geometric (x,y) location of the event"
>>
>> - This excludes z-ordering. Therefore it seems to claim that, for
>> instance, a click on a portion of a parent document that overlaps
>> included child content should go through to the child content. This
>> is contrary to behavior of many current UAs.
>
> In our face-to-face meeting, the group decided to change the quoted
> sentence to:
>
>   The target element for pointer device events is the topmost  
> object in
>   the paint order at the pointer location.

This satisfies my concern, thanks.

> I'd also note that this doesn't resolve any differences in the way SVG
> and HTML+CSS define paint order (particularly with whether
> 'visibility:hidden' elements receive events).

Does the CDF working group plan to tackle this issue in any of the  
specs?

Regards,
Maciej
Received on Tuesday, 31 January 2006 02:55:29 GMT

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