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bug#39115: 26.3; eww consecutive links look like one link with mouse-ove
From: |
Stephen Berman |
Subject: |
bug#39115: 26.3; eww consecutive links look like one link with mouse-over |
Date: |
Wed, 22 Jan 2020 21:44:11 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
On Wed, 22 Jan 2020 21:23:40 +0200 Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Stephen Berman <stephen.berman@gmx.net>
>> Cc: Lars Ingebrigtsen <larsi@gnus.org>, ynyaaa@gmail.com,
>> 39115@debbugs.gnu.org
>> Date: Wed, 22 Jan 2020 20:15:10 +0100
>>
>> > Not without changes to C-level code, no. It currently traverses the
>> > glyphs looking for the first one that doesn't have the mouse-face, so
>> > if two stretches of text one after the other have that face, it won't
>> > notice.
>>
>> That appears to be so only if the respective face values of the
>> mouse-face properties have the same name; if the face names are
>> different, even if one inherits from the other so they are visually
>> indistinguishable, then each propertized string gets highlighted
>> independently when the mouse pointer hovers over it
>
> That goes without saying, but I thought the request was for the
> "normal" mouse face to be able to do that. It sounds a kludge to me
> to ask that each button uses a different value of mouse-face, since it
> means someone should construct each button by hand, and not generate
> them by generic code.
I also think it would only be worth considering if it could be
programmed. But for buttons, it seems the problem does not arise: I
just checked insert-button, and it uses overlays, which appear not to
have the adjacency issue that text properties have:
(progn
(insert-button "one" 'mouse-face 'highlight)
(insert-button "two" 'mouse-face 'highlight)
(insert-button "three" 'mouse-face 'highlight))
Why do overlays and text properties differ on this?
Steve Berman
bug#39115: 26.3; eww consecutive links look like one link with mouse-over, Eli Zaretskii, 2020/01/22
bug#39115: 26.3; eww consecutive links look like one link with mouse-over, Eli Zaretskii, 2020/01/23
bug#39115: 26.3; eww consecutive links look like one link with mouse-over, Lars Ingebrigtsen, 2020/01/23
bug#39115: 26.3; eww consecutive links look like one link with mouse-over, ynyaaa, 2020/01/22