--- Begin Message ---
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Subject: |
28.1; In Emacs 28.1, using ':eval' in 'frame-title-format' doesn't work properly |
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Date: |
Sat, 14 May 2022 15:45:10 -0000 |
=============================================================================
;;; In Emacs 28.1, using ':eval' in 'frame-title-format' doesn't work like it
;;; used to in Emacs 27 and earlier. In fact, it is completely broken, if one
;;; uses a frame-parameter in ':eval'.
;;;
;;; The following elisp snippet demonstrates the problem in an Emacs 28.1
;;; instance started with 'emacs -Q'
(defun title-suffix ()
(cdr (assoc 'title-suffix (frame-parameters (selected-frame)))))
(defvar title-prefix "Test")
(setq frame-title-format (list title-prefix '(:eval (title-suffix)) " %b"))
;;; The original frame should show a frame title of 'Test *scratch*'
(set-frame-parameter (selected-frame) 'title-suffix "")
;;; The next frame created should show a frame title of 'Test-xxx *scratch*'
(make-frame-command)
(set-frame-parameter (selected-frame) 'title-suffix "-xxx")
;;; The third frame created should show a frame title of 'Test-yyy *scratch*'
(make-frame-command)
(set-frame-parameter (selected-frame) 'title-suffix "-yyy")
;;; In Emacs 27 and earlier, that is exactly what happens. Selecting a
;;; different frame doesn't change the titles of all other frames.
;;; In Emacs 28.1, all frames show the same frame title, with the last one
;;; selected determining which one is shown for the bunch of them. Changing to
;;; a different frame changes the titles of all frames to the title of the
;;; newly selected one.
==========================================================================
In GNU Emacs 28.1 (build 1, aarch64-apple-darwin21.1.0, NS appkit-2113.00
Version 12.0.1 (Build 21A559))
of 2022-04-04 built on armbob.lan
Windowing system distributor 'Apple', version 10.3.2113
System Description: macOS 12.3.1
Configured using:
'configure --with-ns '--enable-locallisppath=/Library/Application
Support/Emacs/${version}/site-lisp:/Library/Application
Support/Emacs/site-lisp' --with-modules'
Configured features:
ACL GMP GNUTLS JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER THREADS
TOOLKIT_SCROLL_BARS ZLIB
Important settings:
value of $EMACSLOADPATH:
/Users/tanzer/.emacs.lib::/Applications/Emacs.app/Contents/Resources/site-lisp:
value of $LC_CTYPE: UTF-8
value of $LC_MESSAGES: en_US.UTF-8
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
indent-tabs-mode: t
transient-mark-mode: t
Load-path shadows:
/Users/tanzer/.emacs.lib/custom hides
/Applications/Emacs-28.1.app/Contents/Resources/lisp/custom
/Users/tanzer/.emacs.lib/iso-transl hides
/Applications/Emacs-28.1.app/Contents/Resources/lisp/international/iso-transl
Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util rmail
rmail-loaddefs auth-source cl-seq eieio eieio-core cl-macs
eieio-loaddefs password-cache json map text-property-search time-date
subr-x seq byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs
cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/ns-win ns-win ucs-normalize
mule-util term/common-win tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode lisp-mode prog-mode register
page tab-bar menu-bar rfn-eshadow isearch easymenu timer select
scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors
frame minibuffer cl-generic cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932
hebrew greek romanian slovak czech european ethiopic indian cyrillic
chinese composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice button
loaddefs faces cus-face macroexp files window text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote threads kqueue cocoa ns multi-tty
make-network-process emacs)
Memory information:
((conses 16 51129 6052)
(symbols 48 6554 1)
(strings 32 18387 2569)
(string-bytes 1 613674)
(vectors 16 14168)
(vector-slots 8 205987 11758)
(floats 8 33 51)
(intervals 56 234 0)
(buffers 992 10))
--- End Message ---
--- Begin Message ---
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Subject: |
Re: bug#55412: 28.1; In Emacs 28.1, using ':eval' in 'frame-title-format' doesn't work properly |
|
Date: |
Sun, 22 May 2022 17:34:18 +0000 |
Hello, Christian.
On Sat, May 21, 2022 at 11:25:22 -0000, tanzer@gg32.com wrote:
> Hello Alan and Eli,
> Alan Mackenzie wrote at Fri, 20 May 2022 20:39:06 +0000:
> > On Sat, May 14, 2022 at 19:58:13 +0300, Eli Zaretskii wrote:
> > I have now committed the patch from Wednesday (slightly amended) to the
> > emacs-28 branch at savannah. This should have fixed the bug.
> Thank you. I was very impressed how fast you guys moved!
OK, thanks! I'm now closing the bug with this post.
> I needed to move back to Emacs 27.2 because there are some other bugs
> in 28.1 that I have no idea how to properly report:
[ .... ]
I'm sorry about these, and hope we manage to get them fixed, too!
> Thanks again and have a nice weekend,
You too!
> Christian
> PS: ATM, I'm not set up to compile Emacs myself as I temporarily moved
> into a very small house and don't have any Linux machine here. I'm
> not masochistic enough to setup up a compilation environment on
> the little Macbook I have (which is severly lacking on disc space).
OK.
--
Alan Mackenzie (Nuremberg, Germany).
--- End Message ---