GNU bug report logs - #5463
Fringe / scroll-bar weirdness and redisplay troubles

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Bug-Gnu-Emacs <bug-gnu-emacs <at> gnu.org>
Subject: Fringe / scroll-bar weirdness and redisplay troubles
Date: Sun, 24 Jan 2010 13:29:57 +0100

[Message part 1 (text/plain, inline)]

X-Debbugs-CC: rudalics <at> gmx.at


Some problems with fringe width, and also frame redisplay after moving
the scrollbars. This happens on Windows, with "GNU Emacs 23.1.91.1
(i386-mingw-nt6.1.7600) of 2010-01-24 on ODIEONE".

In the following captures, I've used

   emacs -Q --eval "(set-face-background 'fringe \"gray60\")"

to make the fringe more visible.

Problems:

 - Right at the start, the fringes aren't the same width (see
bug1.png). However, (window-fringes) => (8 8 nil)

 - After "Options / Show-Hide / Scroll-bar / On the Left", I see
bug2.png. The scroll bar has moved, and the fringes have switched
width.

 - Now, after "Options / Show-Hide / Scroll-bar / On the Right", I see
bug3.png. You can see the left side has not been properly drawn. In
fact, if I put the cursor somewhere in the buffer, Emacs redraws the
character that is really underneath (that's what causes the weird
"ownfbuf er" in the buffer's text).

Does this happens in non-Windows builds?

    Juanma

[bug1.png (image/png, attachment)]

[bug2.png (image/png, attachment)]

[bug3.png (image/png, attachment)]

Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Óscar Fuentes <ofv <at> wanadoo.es>
To: bug-gnu-emacs <at> gnu.org
Cc: Juanma Barranquero <lekktu <at> gmail.com>
Subject: Re: bug#5463: Fringe / scroll-bar weirdness and redisplay troubles
Date: Sun, 24 Jan 2010 15:36:18 +0100

Juanma Barranquero <lekktu <at> gmail.com> writes:

> Some problems with fringe width, and also frame redisplay after moving
> the scrollbars. This happens on Windows, with "GNU Emacs 23.1.91.1
> (i386-mingw-nt6.1.7600) of 2010-01-24 on ODIEONE".
>
> In the following captures, I've used
>
>    emacs -Q --eval "(set-face-background 'fringe \"gray60\")"
>
> to make the fringe more visible.
>
> Problems:
>
>  - Right at the start, the fringes aren't the same width (see
> bug1.png). However, (window-fringes) => (8 8 nil)
>
>  - After "Options / Show-Hide / Scroll-bar / On the Left", I see
> bug2.png. The scroll bar has moved, and the fringes have switched
> width.
>
>  - Now, after "Options / Show-Hide / Scroll-bar / On the Right", I see
> bug3.png. You can see the left side has not been properly drawn. In
> fact, if I put the cursor somewhere in the buffer, Emacs redraws the
> character that is really underneath (that's what causes the weird
> "ownfbuf er" in the buffer's text).
>
> Does this happens in non-Windows builds?

No in GNU Emacs 23.1.91.3 (x86_64-unknown-linux-gnu, X toolkit) of
2010-01-19 --with-x-toolkit=athena --without-toolkit-scroll-bars

(with this configuration, the scrollbar appears on the left by default,
so I replaced left/right in your recipe)

Message #11 received at 5463 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: 5463 <at> debbugs.gnu.org
Subject: Re: bug#5463: Fringe / scroll-bar weirdness and redisplay troubles
Date: Mon, 30 Dec 2013 10:38:14 +0100

> Some problems with fringe width, and also frame redisplay after moving
> the scrollbars. This happens on Windows, with "GNU Emacs 23.1.91.1
> (i386-mingw-nt6.1.7600) of 2010-01-24 on ODIEONE".
> 
> In the following captures, I've used
> 
>    emacs -Q --eval "(set-face-background 'fringe \"gray60\")"
> 
> to make the fringe more visible.
> 
> Problems:
> 
>  - Right at the start, the fringes aren't the same width (see
> bug1.png). However, (window-fringes) => (8 8 nil)
> 
>  - After "Options / Show-Hide / Scroll-bar / On the Left", I see
> bug2.png. The scroll bar has moved, and the fringes have switched
> width.
> 
>  - Now, after "Options / Show-Hide / Scroll-bar / On the Right", I see
> bug3.png. You can see the left side has not been properly drawn. In
> fact, if I put the cursor somewhere in the buffer, Emacs redraws the
> character that is really underneath (that's what causes the weird
> "ownfbuf er" in the buffer's text).

Can you still see this?

martin

Message #16 received at 5463-done <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 5463-done <at> debbugs.gnu.org
Subject: Re: bug#5463: Fringe / scroll-bar weirdness and redisplay troubles
Date: Mon, 30 Dec 2013 10:46:30 +0100

On Mon, Dec 30, 2013 at 10:38 AM, martin rudalics <rudalics <at> gmx.at> wrote:

> Can you still see this?

No, all three cases work as expected now. Thanks.

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