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 #11 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, 06 Jul 2024 10:39:11 +0300

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?
> 
> 
> 
> 

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