GNU bug report logs - #71646
29.3; pixel-scroll-precision-mode overrides paging behaviour even when pixel-scroll-precision-interpolate-page is off

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Message #26 received at 71646 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: luangruo <at> yahoo.com
Cc: mike <at> bulsara.com, 71646 <at> debbugs.gnu.org
Subject: Re: bug#71646: 29.3;
 pixel-scroll-precision-mode overrides paging behaviour even when
 pixel-scroll-precision-interpolate-page is off
Date: Sat, 17 Aug 2024 11:21:33 +0300

Ping!

> Cc: 71646 <at> debbugs.gnu.org
> Date: Sun, 04 Aug 2024 10:54:54 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> Po Lu, how can we make some progress here?
> 
> > From: Mike Woolley <mike <at> bulsara.com>
> > Date: Sat, 20 Jul 2024 11:10:15 +0100
> > Cc: Po Lu <luangruo <at> yahoo.com>,
> >  71646 <at> debbugs.gnu.org
> > 
> > Sorry Eli,
> > 
> > I had replied, but forgot to CC the list :-)
> > 
> > What I was saying was: of course I can remove the bindings from the map myself (& indeed that’s what I've
> > done), but my point is why should I have to?
> > Why is a feature that’s turned off still having an effect? I think this is unnecessary and surprising to users (at
> > least it was to me)!
> > 
> > I was thinking this paging animation feature might be better as it’s own minor mode, which would do the right
> > thing with keymaps and is how the other features in the same file are implemented?
> > 
> > Thanks,
> > Mike
> > 
> >  On 20 Jul 2024, at 10:40, Eli Zaretskii <eliz <at> gnu.org> wrote:
> > 
> >  Ping!  Mike, can you answer Po Lu's question, please?
> > 
> >  From: Po Lu <luangruo <at> yahoo.com>
> >  Cc: mike <at> bulsara.com,  71646 <at> debbugs.gnu.org
> >  Date: Sat, 06 Jul 2024 16:40:01 +0800
> > 
> >  Eli Zaretskii <eliz <at> gnu.org> writes:
> > 
> >  Ping!
> > 
> >  Cc: 71646 <at> debbugs.gnu.org
> >  Date: Sat, 22 Jun 2024 11:57:43 +0300
> >  From: Eli Zaretskii <eliz <at> gnu.org>
> > 
> >  From: Mike Woolley <mike <at> bulsara.com>
> >  Date: Wed, 19 Jun 2024 11:44:52 +0100
> > 
> >  Playing with `pixel-scroll-precision-mode’ I noticed a small issue:
> > 
> >  Setting `pixel-scroll-precision-interpolate-page’ is supposed to turn off the paging
> >  animation (which it does)
> >  however even when it’s off, <prior> and <next> invoke `cua-scroll-up’ &
> >  `cua-scroll-down’ rather than allowing
> >  another keymap to handle it.
> > 
> >  Unfortunately this means any other mapping for these keys you might have has
> >  now been silently overridden
> >  (even after you’ve said you don’t want the new behaviour).
> > 
> >  (defun pixel-scroll-interpolate-up ()
> >   "Interpolate a scroll upwards by one page."
> >   (interactive)
> >   (if pixel-scroll-precision-interpolate-page
> >       (pixel-scroll-precision-interpolate (window-text-height nil t) nil 1)
> >     (cua-scroll-down)))
> > 
> >  I think it would be better if `pixel-scroll-precision-mode’ did nothing if
> >  `pixel-scroll-precision-interpolate-page’ is
> >  off and allowed another keycap to handle <prior> & <next>.
> > 
> >  I also noticed that it only maps <prior> & <next> and not C-v / M-v, so in other
> >  words behaviour could be
> >  different depending on exactly which Page Up & Down key sequence you invoke.
> > 
> >  Po Lu, any comments or suggestions?
> > 
> >  Mike, is there any reason in particular you cannot remove the bindings
> >  of `prior' and `next' from `pixel-scroll-precision-mode-map'?
> 
> 
> 
> 

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