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Subject: bug#79812: 30.2; [BUG] frame.el: function frame-list-z-order for Wayland return nothing, no internal implementation for pgtk.
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How to reproduce:
```elisp
(when (display-graphic-p)
  (framep-on-display (car (x-display-list)))
  (print (frame-list-z-order (car (x-display-list)))))
```
pgtk

nil

```elisp
(frame-list)
```
Good list with frames
=2D-------------------------------------------=20
Configured using:
 'configure --prefix=3D/usr --build=3Dx86_64-pc-linux-gnu
 --host=3Dx86_64-pc-linux-gnu --mandir=3D/usr/share/man
 --infodir=3D/usr/share/info --datadir=3D/usr/share --sysconfdir=3D/etc
 --localstatedir=3D/var/lib --datarootdir=3D/usr/share
 --disable-silent-rules --docdir=3D/usr/share/doc/emacs-30.2
 --htmldir=3D/usr/share/doc/emacs-30.2/html --libdir=3D/usr/lib64
 --program-suffix=3D-emacs-30 --includedir=3D/usr/include/emacs-30
 --infodir=3D/usr/share/info/emacs-30 --localstatedir=3D/var
 --enable-locallisppath=3D/etc/emacs:/usr/share/emacs/site-lisp
 --without-compress-install --without-hesiod --without-pop
 --with-file-notification=3Dinotify --with-pdumper --enable-acl
 --enable-xattr --without-dbus --without-modules --without-gameuser
 --with-libgmp --without-gpm --without-native-compilation
 --without-kerberos --without-kerberos5 --without-lcms2 --with-xml2
 --without-mailutils --without-selinux --without-sqlite3 --with-gnutls
 --without-libsystemd --with-threads --without-tree-sitter
 --without-wide-int --with-sound=3Dalsa --with-zlib --with-pgtk
 --without-x --without-ns --with-toolkit-scroll-bars --without-gconf
 --without-xwidgets --without-gsettings --without-harfbuzz
 --without-libotf --without-m17n-flt --with-gif --with-jpeg --with-png
 --with-rsvg --without-tiff --with-webp --without-imagemagick
 --with-dumping=3Dpdumper 'CFLAGS=3D-O2 -march=3Dznver2 -pipe -fno-fast-ma=
th
 -ffp-contract=3Doff' 'CPPFLAGS=3D -DUSE_VALGRIND=3Dno' 'LDFLAGS=3D-Wl,-O1
 -Wl,--as-needed -Wl,-z,pack-relative-relocs''

Configured features:
ACL CAIRO FREETYPE GIF GLIB GMP GNUTLS JPEG LIBXML2 NOTIFY INOTIFY
 PDUMPER PGTK PNG RSVG SECCOMP SOUND THREADS TOOLKIT_SCROLL_BARS WEBP
 XIM GTK3 ZLIB

Important settings:
  value of $LANG: C.UTF8
  locale-coding-system: utf-8-unix

=2D-=20
Best regards,
VC
Python Middle Data Scientist
PGP pub key: 7850B0B5E3F536601D2E6A9DE1C43E074A047699

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: VC <vitalij@HIDDEN>
Subject: bug#79812: Acknowledgement (30.2; [BUG] frame.el: function
 frame-list-z-order for Wayland return nothing, no internal implementation
 for pgtk.)
Message-ID: <handler.79812.B.176282629917989.ack <at> debbugs.gnu.org>
References: <87jyzxz5yi.fsf@HIDDEN>
X-Gnu-PR-Message: ack 79812
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Reply-To: 79812 <at> debbugs.gnu.org
Date: Tue, 11 Nov 2025 01:59:02 +0000

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--=20
79812: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D79812
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Contact help-debbugs@HIDDEN with problems

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#79812: 30.2; [BUG] frame.el: function frame-list-z-order for Wayland return nothing, no internal implementation for pgtk.
Resent-From: Eli Zaretskii <eliz@HIDDEN>
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To: VC <vitalij@HIDDEN>, Po Lu <luangruo@HIDDEN>
Cc: 79812 <at> debbugs.gnu.org
Date: Tue, 11 Nov 2025 14:43:02 +0200
Message-Id: <86tsz03fl5.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
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severity 79812 wishlist
thanks

> Date: Tue, 11 Nov 2025 01:57:41 -0000
> From:  VC via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN>
> 
> How to reproduce:
> ```elisp
> (when (display-graphic-p)
>   (framep-on-display (car (x-display-list)))
>   (print (frame-list-z-order (car (x-display-list)))))
> ```
> pgtk
> 
> nil
> 
> ```elisp
> (frame-list)
> ```
> Good list with frames

This is a feature which was never implemented for PGTK, as this
fragment in frames.el reveals:

  (declare-function x-frame-list-z-order "xfns.c" (&optional display))
  (declare-function w32-frame-list-z-order "w32fns.c" (&optional display))
  (declare-function ns-frame-list-z-order "nsfns.m" (&optional display))
  ;; TODO: implement this on PGTK.
  ;; (declare-function pgtk-frame-list-z-order "pgtkfns.c" (&optional display))
  (declare-function haiku-frame-list-z-order "haikufns.c" (&optional display))
  (declare-function android-frame-list-z-order "androidfns.c" (&optional display))
  (declare-function tty-frame-list-z-order "term.c" (&optional display))

Patches to implement that are welcome (assuming PGTK does not make
that impossible).

Message received at control <at> debbugs.gnu.org:

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Date: Tue, 11 Nov 2025 14:43:02 +0200
Message-Id: <86tsz03fl5.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: VC <vitalij@HIDDEN>, Po Lu <luangruo@HIDDEN>
In-Reply-To: <87jyzxz5yi.fsf@HIDDEN> (bug-gnu-emacs@HIDDEN)
Subject: Re: bug#79812: 30.2;
 [BUG] frame.el: function frame-list-z-order for Wayland return
 nothing, no internal implementation for pgtk.
References: <87jyzxz5yi.fsf@HIDDEN>
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severity 79812 wishlist
thanks

> Date: Tue, 11 Nov 2025 01:57:41 -0000
> From:  VC via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@HIDDEN>
> 
> How to reproduce:
> ```elisp
> (when (display-graphic-p)
>   (framep-on-display (car (x-display-list)))
>   (print (frame-list-z-order (car (x-display-list)))))
> ```
> pgtk
> 
> nil
> 
> ```elisp
> (frame-list)
> ```
> Good list with frames

This is a feature which was never implemented for PGTK, as this
fragment in frames.el reveals:

  (declare-function x-frame-list-z-order "xfns.c" (&optional display))
  (declare-function w32-frame-list-z-order "w32fns.c" (&optional display))
  (declare-function ns-frame-list-z-order "nsfns.m" (&optional display))
  ;; TODO: implement this on PGTK.
  ;; (declare-function pgtk-frame-list-z-order "pgtkfns.c" (&optional display))
  (declare-function haiku-frame-list-z-order "haikufns.c" (&optional display))
  (declare-function android-frame-list-z-order "androidfns.c" (&optional display))
  (declare-function tty-frame-list-z-order "term.c" (&optional display))

Patches to implement that are welcome (assuming PGTK does not make
that impossible).

Last modified: Tue, 11 Nov 2025 12:45:02 UTC

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