RE: [cgmo-webcgm] ANSWER: Screentip and inheritance question...

[Dieter Weidenbruck <dieter@itedo.com>]

I agree with Lofton here.

> -----Original Message-----
> From: Lofton Henderson [mailto:lofton@rockynet.com]
> Sent: Friday, June 10, 2005 1:46 AM
> To: cgmo-webcgm@lists.oasis-open.org
> Subject: [cgmo-webcgm] ANSWER: Screentip and inheritance question...
>
>
> Hi Ben,
>
> Rather than queue this as an issue, I'll give what I think is a
> reasonable
> answer.  If anyone doesn't like it and wants to raise an issue,
> please do so.
>
> At 04:34 PM 4/21/2005 -0400, Benoit Bezaire wrote:
> >[...]
> >3.2.2.6 Screentip
> >   - Why is a screentip not inherited?
>
> 1.)  Because inheritance of ApsAttrs is a new concept in 2.0, that didn't
> exist in 1.0, so we didn't consider the question.
>
> But considering it now...
>
> 2.)  Does it need to be or want to be?  If the mouse is over the MOUSE
> REGION (MR) of the parent APS, then its screentip is displayed.  Doesn't
> the MR of the parent APS subsume the MRs of any children?  Well,
> yes and no...
> 2a).  If no 'region' ApsAttr, then yes.
> 2b).  If parent has a 'region', then not necessarily.  (Silly)
> counter-example (syntactically incorrect in some things like SDRs):
>
> BegAps "parentId" "grobject"
> ApsAttr "region" "1 0 0 1 1"
> ApsAttr "screentip" "lower-left corner (object legend)"
> ...some stuff drawn in 0 0 1 1...
> BegAps  "childId" "grobject"
> ...more stuff drawn in the rectangular area 0 0 10 10
> EndAps
> EndAps
>
> If 'screentip' inherited, then it would be displayed for that portion of
> childId that lies outside of the MR of parentId.  I don't think
> that's what
> we want.
>
> So I'd recommend to leave it alone, since it was 1.0 behavior and not
> obviously erroneous.
>
> Regards,
> -Lofton.
>
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