From: "Jan D." <jan.h.d@swipnet.se>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Stephen Berman <stephen.berman@gmx.net>, 18990@debbugs.gnu.org
Subject: bug#18990: 25.0.50; Scroll bar display problems
Date: Sat, 8 Nov 2014 09:57:59 +0100 [thread overview]
Message-ID: <1918BF0D-0785-4A0F-8CDD-E421EC3F6649@swipnet.se> (raw)
In-Reply-To: <83tx2aqg8p.fsf@gnu.org>
Hi.
> 8 nov 2014 kl. 08:54 skrev Eli Zaretskii <eliz@gnu.org>:
>
>> From: Stephen Berman <stephen.berman@gmx.net>
>> Date: Sat, 08 Nov 2014 00:00:20 +0100
>>
>> Starting Emacs like this:
>>
>> emacs -Q --eval "(progn (modify-all-frames-parameters '((scroll-bar-width . 7))) (custom-set-variables '(scroll-bar-mode (quote left))))"
>>
>> the scroll bar is correctly display on the left, but its width is the
>> default, not the customized value, and it overlays the left fringe,
>> which is hence hidden.
>>
>> If another X window is moved over the Emacs frame (at least the left
>> side including the scroll bar), the left fringe becomes visible (only
>> partly if the other X window is not moved across the whole height of the
>> fringe) and the scroll bar width is correspondingly narrower (I didn't
>> measure but it looks like the width specified above); see the attached
>> screen shot, which also shows the incorrect scroll bar width and hidden
>> left fringe in the top Emacs frame. As soon as the lower Emacs frame
>> regains focus, the scroll bar returns to full width and overlays the
>> left fringe again.
>>
>> Another display glitch conditioned by the above settings is that typing
>> until point or eol enters the right fringe causes the left fringe in
>> just the current line to become visible (and the scroll bar
>> correspondingly narrowed/truncated in that line); I have not succeeded
>> in getting a screen shot of this glitch.
>>
>> These display problems do not happen when the scroll bar is either on
>> the right or has its default width. They also don't happen with the
>> non-toolkit-scroll-bar build. They do happen with 24.3, the earliest
>> version I currently have (I don't have a non-toolkit-scroll-bar build of
>> 24.4 at hand but I guess it also has the problems). (I haven't noticed
>> these problems before, since I've been using non-toolkit-scroll-bar
>> builds for a long time, and only since the 24.4 release have switched to
>> the toolkit scroll bar on the trunk to be able to test the horizontal
>> scroll bar.)
>
> Sounds like a GTK thing to me. Does this happen if you use a
> different toolkit, like lucid or athena?
Some Gtk+ themes force a fixed width scrollbar, because they use bitmaps.
Emacs can set scroll bar width all it wants, it wont matter to the Gtk+ scroll bar.
It is difficult to solve.
Jan D.
next prev parent reply other threads:[~2014-11-08 8:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 23:00 bug#18990: 25.0.50; Scroll bar display problems Stephen Berman
2014-11-08 7:54 ` Eli Zaretskii
2014-11-08 8:57 ` Jan D. [this message]
2014-11-08 14:26 ` Stephen Berman
2014-11-08 15:14 ` martin rudalics
2014-11-08 16:04 ` Stephen Berman
2014-11-08 17:00 ` martin rudalics
2014-11-08 17:21 ` Jan D.
2014-11-08 21:12 ` Stephen Berman
2014-11-08 21:12 ` Stephen Berman
2014-11-09 11:56 ` martin rudalics
2014-11-09 12:07 ` Jan D.
2014-11-08 8:54 ` martin rudalics
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