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Re: [css3-gcpm] new draft -- including "overflow: paged"

From: Bert Bos <bert@w3.org>
Date: Thu, 05 Feb 2009 14:38:02 +0100
Message-ID: <498AEBBA.4060207@w3.org>
To: www-style@w3.org

Håkon Wium Lie wrote:

>   - a new section "Creating paged presentations" bas been added. It
>     suggests that it should be possible to express preference for
>     page-based presentation by saying:
> 
>       body { overflow: paged }
> 
>     Or something. This would apply to non-paged media (e.g., screen)
>     to get rid of the scrollbar. As such, it's outside the scope of
>     GCPM, but it could have wide-reaching consequences for the
>     presenation of web pages in browsers.

That should be 'overflow-style: paged' I believe, see the Marquee 
module[2]. 'Overflow' determines *whether* there is a scrolling 
mechanism, 'overflow-style' specifies what *kind* of scrolling mechanism.

There are so far three kinds, and they can often be combined, in the 
sense that one is used for the horizontal direction and another for the 
vertical one:

   - a scrollbar or similar continuous, interactive mechanism, such as a
     hand cursor or 2D pager,
   - a marquee effect, either vertical or horizontal (i.e., a
     non-interactive mechanism),
   - or a page flipper, something like a dog's ear in the corner, or an
     overlay of next/previous buttons.

I wouldn't *require* the UA to use a dog's ear, but that is at least one 
of the known GUIs for flipping pages. UAs may use something else, just 
as they may use something else instead of scrollbars.

[2] http://www.w3.org/TR/2008/CR-css3-marquee-20081205/#the-overflow-style

> [1] http://dev.w3.org/csswg/css3-gcpm/



Bert
-- 
   Bert Bos                                ( W 3 C ) http://www.w3.org/
   http://www.w3.org/people/bos                               W3C/ERCIM
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   +33 (0)4 92 38 76 92            06902 Sophia Antipolis Cedex, France
Received on Thursday, 5 February 2009 13:38:51 GMT

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