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bug#21469: 25.0.50; right scrollbar wrongly placed when resizing split w


From: Robert Pluim
Subject: bug#21469: 25.0.50; right scrollbar wrongly placed when resizing split window
Date: Mon, 14 Sep 2015 20:21:55 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)

Robert Pluim <rpluim@gmail.com> writes:

> frame pixel: 1640 x 792   cols/lines: 91 x 22   units: 18 x 36
> frame text pixel: 1612 x 792   cols/lines: 89 x 22
> tool: 0  scroll: 12/0  fringe: 16  border: 0  right: 0  bottom: 0
>
> #<window 3 on *scratch*>   parent: nil
> pixel left: 0   top: 0   size: 1640 x 756   new: 756
> char left: 0   top: 0   size: 91 x 21   new: 21
> normal: 1.0 x 1.0   new: 1.0
> body pixel: 1612 x 720   char: 89 x 20
> width left fringe: 8  left margin: 0  right margin: 0
> width right fringe: 8  scroll-bar: 12  divider: 0
> height header-line: 0  mode-line: 36  divider: 0
>
> #<window 4 on  *Minibuf-0*>   parent: nil
> pixel left: 0   top: 756   size: 1640 x 36   new: 0
> char left: 0   top: 21   size: 1640 x 1   new: 1
> normal: 1.0 x 1.0   new: 0
> body pixel: 1612 x 36   char: 89 x 1
> width left fringe: 8  left margin: 0  right margin: 0
> width right fringe: 8  scroll-bar: 12  divider: 0
> height header-line: 0  mode-line: 0  divider: 0
>
>
> Something is definitely wrong there: the cols/lines values in that
> file seem correct, but the values shown in the tooltip when I drag the
> bottom right corner of the frame to resize it are approximately half
> that (41x11 in this case).

That made me take another close look at my DPI settings. Gnome claimed
not to be using a DPI scaling factor, but I set it to 2, then back to
1, and now the scrollbars appear where they should. If I set it to 2
the problem reappears.

The question now is: is this an emacs or a GTK bug?

Regards

Robert






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