GNU bug report logs - #75056
31.0.50; tty-child-frames with server / multiple clients possible hangs

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From: martin rudalics <rudalics <at> gmx.at>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: lenbok <at> gmail.com, 75056 <at> debbugs.gnu.org
Subject: bug#75056: 31.0.50; tty-child-frames with server / multiple clients possible hangs
Date: Sun, 26 Jan 2025 10:13:37 +0100

>> So it is still true that a frame other than the top frame returns t
>> from frame-visible-p, right?  Here's the recipe:
>>
>>    emacs -Q -nw
>>    C-x 5 b RET
>>    M-: (frame-visible-p (next-frame)) RET
>>     => t
>>
>> This is different from GUI frames, in that z-order is not considered
>> on TTYs.
>
> That looks like a bug to me. I think it should return nil. (Although I'm
> never 100% sure with the frame code.) Opinions?

The doc-string of 'make-frame-invisible' says that

  This function has no effect on text terminal frames.  Such frames are
  always considered visible, whether or not they are currently being
  displayed in the terminal.

martin

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