From: Eli Zaretskii <eliz@gnu.org>
To: martin rudalics <rudalics@gmx.at>
Cc: 16475@debbugs.gnu.org, esq@lawlist.com
Subject: bug#16475: enhancement request: remove vertical scroll bar automatically when not needed
Date: Thu, 26 Oct 2017 18:59:02 +0300 [thread overview]
Message-ID: <8360b199yx.fsf@gnu.org> (raw)
In-Reply-To: <59F1954B.7080705@gmx.at> (message from martin rudalics on Thu, 26 Oct 2017 09:56:59 +0200)
> Date: Thu, 26 Oct 2017 09:56:59 +0200
> From: martin rudalics <rudalics@gmx.at>
> CC: esq@lawlist.com, 16475@debbugs.gnu.org
>
> > More importantly, removing the scroll bar resizes the external
> > dimensions of the frame, to keep the windows' dimensions unchanged
> > (otherwise, we couldn't remove the scroll bars at the very end of the
> > window's redisplay). You can see this in action if you toggle
> > scroll-bar-mode on and off. So when the window shows _almost_ all the
> > text of the buffer, the frame would annoyingly oscillate in its
> > horizontal dimension. This could be caused, for example, by echo-area
> > messages that resize the mini-window from time to time, or by the user
> > adjusting the window size.
>
> Obviously, an equivalent of ‘set-window-scroll-bars’ would have to be
> used here.
I agree, but then the right place to call this is not from redisplay,
but from keyboard.c, before it calls read_char (which calls
redisplay). set-window-scroll-bars triggers a redisplay cycle, so
calling it from (the end of) redisplay is not very wise, IMO.
next prev parent reply other threads:[~2017-10-26 15:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-17 4:42 bug#16475: 24.3.50; enhancement request: remove vertical scroll bar automatically when not needed Drew Adams
2014-01-17 14:35 ` Stefan Monnier
2016-02-12 2:46 ` Keith David Bershatsky
2017-10-25 5:27 ` bug#16475: " Keith David Bershatsky
2017-10-25 7:47 ` martin rudalics
2017-10-25 14:40 ` Eli Zaretskii
2017-10-26 7:56 ` martin rudalics
2017-10-26 15:59 ` Eli Zaretskii [this message]
2017-10-27 8:25 ` martin rudalics
2017-10-27 2:44 ` Richard Stallman
2017-10-25 22:25 ` Keith David Bershatsky
2017-10-26 16:30 ` Eli Zaretskii
2017-10-26 16:03 ` Keith David Bershatsky
2017-10-26 17:07 ` Eli Zaretskii
2017-10-27 8:26 ` martin rudalics
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