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From: William Perry <wmperry@spry.com>
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Subject: Re: `mouse-face' under XEmacs
Date: Fri, 24 Nov 1995 12:30:05 -0800
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Steven L. Baur writes:
> >>>>> "Lars" == Lars Magne Ingebrigtsen <larsi@ifi.uio.no> writes:
>     >> if the highlighting went to the window edge, or if it didn't
>     >> diddle the background color, then it would look ok.
> 
>     Lars> Yes, I guess...  Can one do that under XEmacs?
> 
> The way I read the documention suggests that the text be blank padded
> on the right to achieve that effect.

  Currently that is the only way.

>     Lars> Speaking of `mouse-face', you can now do this:
> 
>     Lars> (setq gnus-summary-line-format "%3(%U%R%z%I%)%(%[%4L:
>     Lars> %-20,20n%]%) %2(%s%)\n") (setq gnus-mouse-face-2 'bold)
>     Lars> (setq gnus-mouse-face-3 'italic)
> 
>     Lars> Then the Subject will magically become bold when you put the
>     Lars> mouse cursor on that part of the text.  How... useless!  I
>     Lars> love it!  :-)
> 
>     Lars> (This won't work under XEmacs, of course.)
> 
> Actually, I think it could be made to work, but not without some
> fancy, low win (IMHO) code: set the highlight property, set additional
> (unique) properties per field, install mouse tracking code, and call
> the extent highlight routines directly with suitable adjustment to the
> highlight face.
> 
> Do the different highlights imply that something different is done
> when either is clicked on?  That might have a use ...

  I just sent a patch to the xemacs-beta list that implements the
mouse-face stuff as Emacs19 does, and still keeps the old 'highlight'
behaviour that most packages use for XEmacs.  We'll see whether it makes it
into 19.14 or not.

-Bill P.