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Re: Draft Techniques for 4.8

From: Marja-Riitta Koivunen <marja@w3.org>
Date: Tue, 01 Feb 2000 16:30:29 -0500
Message-Id: <3.0.5.32.20000201163029.00a28da0@localhost>
To: David Poehlman <poehlman@clark.net>
Cc: w3c-wai-ua@w3.org
Thanks to David Poehlman's comments I added some more alternatives
to drag and drop.

Marja

>Marja-Riitta Koivunen wrote:
>> 
>> Comments?
>> 
>> Marja
>> 
>> 4.8 Allow the user to configure the position of captions on graphical
>> displays. [Priority 1]
>> 
>> Techniques:
>> 
>> Normally the position of the captions window is defined by the author or
>> the default user agent settings. However, sometimes the captions are
>> disturbing as they are placed on top of information that the user wants to
>> see. Especially, this might be the case when the user has low sight and has
>> enlarged the caption text. Also the size of the user's screen may vary so
>> it is not always possible to place the captions outside the video or other
>> windows and sometimes the user may need to adjust the position of the
>> caption window just because of her preferred way of organizing the space on
>> the screen.
>> 
>> There are several ways how to implement this. Easiest from the user point
>> of view is if the user agent can allow the user to drag and drop 

or use shortcuts and coordinates to position the

>> captions to a place on the screen like any other window. If the author is
>> using stylesheets for positioning the captions an overriding stylesheet
>> need to be defined. Most probably a user would also like to store the
>> default positioning for the captions e.g. always under the rest of the
>> presentation. In many cases, the user agent probably needs to allow the
>> positioning of any region of the presentation as it is difficult to
>> separate when the region contains captions and when not.
>> 
>> Here is an example of how the layout can be defined in SMIL 1.0
>> [http://www.w3.org/TR/SMIL-access/#Layout].
>
Received on Tuesday, 1 February 2000 16:34:08 GMT

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