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From: chad <yandros@gmail.com>
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Subject: Re: face vs. mouse-face text property
Date: Tue, 24 Jan 2012 03:14:21 -0800
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To: Eli Zaretskii <eliz@gnu.org>
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On Jan 24, 2012, at 1:11 AM, Eli Zaretskii wrote:
>>=20
>> I trust your experience far more than mine these days, but I have to =
wonder if empty rectangle might not be good enough for the suggested use =
case.
>=20
> I doubt that.  The issue at hand is how to display mouse-highlighted
> newline so that it is clear to the user it's a newline that (e.g.)
> will be inserted when she clicks on it in *Completions* buffer.
> Showing an empty rectangle hardly accomplishes that effect.

I suppose that there are tricky edges, but I thought that the =
first-order problem was being able to tell a newline or tab apart from =
nothing. If the use-case is more complicated, then I'll certainly =
believe that `something not-normal but not-nothing' is not sufficient. I =
had mostly hoped to improve upon Lars' `4 chars of garbage' experience.

>=20
>> I assume that C-x =3D DTRT with those empty rectangles?
>=20
> You meant "C-u C-x =3D", I presume. =20

Yes, that's what I meant; thanks.

In truth, I have quite a bit of very old tty-only experience, but almost =
all of it predates reasonable tty+mouse setups, so I tend to forget the =
mouse part in this domain.  I did check that mouse-selecting such a =
character in order to describe-char it was a bust, but I assumed =
(probably wrongly) that the mouse-case wasn't as interesting for the tty =
users as a the keyboard-motion case.

For the mouse case, I was wondering idly about a tooltip version of =
describe-char, but it seemed unlikely to be as useful as a special face =
for this purpose.=20

Thanks!
*Chad


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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><br><div><div>On Jan 24, 2012, at 1:11 AM, Eli Zaretskii =
wrote:</div><blockquote type=3D"cite"><div><blockquote type=3D"cite"><font=
 class=3D"Apple-style-span" =
color=3D"#000000"><br></font></blockquote><blockquote type=3D"cite">I =
trust your experience far more than mine these days, but I have to =
wonder if empty rectangle might not be good enough for the suggested use =
case.<br></blockquote><br>I doubt that. &nbsp;The issue at hand is how =
to display mouse-highlighted<br>newline so that it is clear to the user =
it's a newline that (e.g.)<br>will be inserted when she clicks on it in =
*Completions* buffer.<br>Showing an empty rectangle hardly accomplishes =
that effect.<br></div></blockquote><div><br></div><div>I suppose that =
there are tricky edges, but I thought that the first-order problem was =
being able to tell a newline or tab apart from nothing. If the use-case =
is more complicated, then I'll certainly believe that `something =
not-normal but not-nothing' is not sufficient. I had mostly hoped to =
improve upon Lars' `4 chars of garbage' experience.</div><br><blockquote =
type=3D"cite"><div><br><blockquote type=3D"cite">I assume that C-x =3D =
DTRT with those empty rectangles?<br></blockquote><br>You meant "C-u C-x =
=3D", I presume. &nbsp;</div></blockquote><div><br></div><div>Yes, =
that's what I meant; thanks.</div><div><br></div><div>In truth, I have =
quite a bit of very old tty-only experience, but almost all of it =
predates reasonable tty+mouse setups, so I tend to forget the mouse part =
in this domain. &nbsp;I did check that mouse-selecting such a character =
in order to describe-char it was a bust, but I assumed (probably =
wrongly) that the mouse-case wasn't as interesting for the tty users as =
a the keyboard-motion case.</div></div><br><div>For the mouse case, I =
was wondering idly about a tooltip version of describe-char, but it =
seemed unlikely to be as useful as a special face for this =
purpose.&nbsp;</div><div><br></div><div>Thanks!</div><div>*Chad</div><div>=
<br></div></body></html>=

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