GNU bug report logs - #23925
25.0.95; cairo: display broken when maximizing frames

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From: martin rudalics <rudalics <at> gmx.at>
To: Roland Winkler <winkler <at> gnu.org>, 23925 <at> debbugs.gnu.org
Subject: bug#23925: 25.0.95; display broken when maximizing frame
Date: Sat, 09 Jul 2016 11:20:12 +0200

> After a long time I build again a more recent emacs.  Unfortunately
> it gives me a rather unpleasant experience when maximizing the emacs
> frame (using the maximize function of the xfce window manager):
> somehow the frame is not redrawn properly, emacs seems to be unaware
> of the new frame size and the minibuffer disappears completely.
> Instead the desktop background is displayed in large parts of the
> emacs frame.  Unmaximizing makes the problem go away.  But obviously
> that is no solution.  I can provide more details if you let me know
> what would be interesting.
>
>
>
>
> In GNU Emacs 25.0.95.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.18.9, cairo version 1.14.6)
>   of 2016-07-08 built on regnitz
> Windowing system distributor 'The X.Org Foundation', version 11.0.11803000
> System Description:	Ubuntu 16.04 LTS
>
> Configured using:
>   'configure --with-xwidgets --with-x-toolkit=gtk3 --with-cairo'

Please post the results after doing each of the following:

(1) Evaluate (display-monitor-attributes-list)

(2) With the badly maximized frame evaluate (frame-geometry)

(3) Before maximizing evaluate (setq frame-size-history '(5))
    Then maximize and evaluate (frame--size-history).  The result can be
    found in the buffer *frame-size-history*.

And obviously please also follow Eli's proposal to build without cairo.

Thanks, martin

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