GNU bug report logs - #42655
27.1; iconify-frame on a Lucid build may stuck the frame

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Message #104 received at 42655 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Tino Calancha <tino.calancha <at> gmail.com>
Cc: 42655 <at> debbugs.gnu.org, eggert <at> cs.ucla.edu, uyennhi.qm <at> gmail.com,
 bhavin7392 <at> gmail.com, monnier <at> iro.umontreal.ca
Subject: Re: bug#42655: 27.1; iconify-frame on a Lucid build may stuck the
 frame
Date: Fri, 07 Aug 2020 18:06:49 +0300

> From: Tino Calancha <tino.calancha <at> gmail.com>
> Cc: 42655 <at> debbugs.gnu.org,  eggert <at> cs.ucla.edu,  uyennhi.qm <at> gmail.com,
>   bhavin7392 <at> gmail.com,  monnier <at> iro.umontreal.ca
> Date: Fri, 07 Aug 2020 16:01:11 +0200
> 
> Following tables summarizes the situation:
> 
> === window manager:  GNOME Shell ===
> 
> --- unpatched Emacs-27 --- 
>                   emacs -Q   custom libs
> 
> MapNotify at        never      never
> bug?                 yes       yes
> 
> --- Emacs-27 with patch --- 
>                    emacs -Q   custom libs
> 
> MapNotify at       iconify   never
> bug?                 no       yes
> 
> 
> === window manager:  Other than GNOME Shell ===
> 
> --- unpatched Emacs-27 --- 
>                   emacs -Q       custom libs
> 
> MapNotify at        de-iconify   de-iconify
> bug?                no           no

Thanks.

Does anyone here have a clue why we don't get MapNotify in the GNOME
Shell case?  I'm afraid I'm almost out of my depth here.

Tino, could you please use 'xev' to show which X events _are_ being
delivered to Emacs after you press M-TAB or do any of the other 2
gestures that are supposed to de-iconify the frame?

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