GNU bug report logs - #32002
24.4; Scroll bar start, end not correct

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Mike Kupfer <mkupfer <at> alum.berkeley.edu>
Cc: 32002 <at> debbugs.gnu.org, npostavs <at> gmail.com, kurn <at> sfu.ca
Subject: bug#32002: 24.4; Scroll bar start, end not correct
Date: Thu, 05 Jul 2018 09:27:51 +0300

On July 5, 2018 8:28:28 AM GMT+03:00, Mike Kupfer <mkupfer <at> alum.berkeley.edu> wrote:
> Eli Zaretskii wrote:
> 
> > What Emacs does is call
> > 
> >   (scroll-up +/-1)
> > 
> > for each input event that comes from the scroll bar's "steppers".
> [...]
> > Stepping with Edebug through scroll-bar-toolkit-scroll should show
> > what's going on there.
> 
> When I click on either stepper, one event gets passed to
> scroll-bar-toolkit-scroll.  It looks like
> 
> (mouse-1 (#<window 3 on .profile> vertical-scroll-bar (5637316 .
> 7584542) 0 handle))
> 
> (There is some variance in the numbers in the (5637316 . 7584542)
> part.)
> 
> So scroll-bar-drag-1 gets called, rather than scroll-up.
> 
> mike

According to xg_scroll_callback, GTK is supposed to provide
the up and down events, so perhaps some more debugging is
required.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.