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* bug#71415: 30.0.50; vtable-current-object off by one
@ 2024-06-07 14:15 john muhl
  2024-06-15  8:40 ` Eli Zaretskii
  0 siblings, 1 reply; 6+ messages in thread
From: john muhl @ 2024-06-07 14:15 UTC (permalink / raw)
  To: 71415

After updating an object, ‘vtable-current-object’ in the displayer
and formatter functions points to the object after the one that
was updated. Running the following:

  (with-current-buffer (get-buffer-create "vtable-demo")
    (require 'vtable)
    (erase-buffer)
    (make-vtable
     :columns '("Index" "Number")
     :objects `((1 ,(random)) (2 ,(random)) (3 ,(random)))
     :displayer (lambda (value &rest _)
                  ;; vtable-current-object is off by one; e.g.
                  ;; update the first row and v-c-o will be the second row;
                  ;; update the final row and v-c-o will be nil.
                  (message "%s %s" value (vtable-current-object))
                  (propertize (number-to-string value) 'face 'vtable)))
    (let* ((table (vtable-current-table))
           (first (nth 0 (vtable-objects table)))
           (other (nth 1 (vtable-objects table)))
           (final (nth 2 (vtable-objects table))))
      (setf (nth 1 first) 1)
      (setf (nth 1 other) 2)
      (setf (nth 1 final) 3)
      (vtable-update-object table first)
      (vtable-update-object table other)
      (vtable-update-object table final)))

I see in the messages buffer:

  1 (2 2) [2 times]
  2 (3 3) [2 times]
  3 nil [2 times]

when I expect to see:

  1 (1 1) [2 times]
  2 (2 2) [2 times]
  3 (3 3) [2 times]

In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.41, cairo version 1.18.0) of 2024-05-26 built on thelio
Repository revision: f2309557ff366a81183859bda88b9a0012a5d9d6
Repository branch: main
System Description: Fedora Linux 39 (Thirty Nine)

Configured using:
 'configure --with-pgtk --prefix=/home/jm/.local'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ
JPEG LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP
NOTIFY INOTIFY PDUMPER PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS
TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP XIM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: ELisp/l

Minor modes in effect:
  goto-address-mode: t
  whitespace-mode: t
  magit-auto-revert-mode: t
  global-git-commit-mode: t
  server-mode: t
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  which-function-mode: t
  ruler-mode: t
  flymake-mode: t
  winner-mode: t
  savehist-mode: t
  save-place-mode: t
  repeat-mode: t
  minibuffer-electric-default-mode: t
  midnight-mode: t
  kill-ring-deindent-mode: t
  global-visual-wrap-prefix-mode: t
  visual-wrap-prefix-mode: t
  global-paren-face-mode: t
  paren-face-mode: t
  global-auto-revert-mode: t
  electric-pair-mode: t
  dynamic-completion-mode: t
  desktop-save-mode: t
  delete-selection-mode: t
  coterm-mode: t
  blow-mode: t
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  mu4e-modeline-mode: t
  tooltip-mode: t
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  eldoc-mode: t
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  electric-quote-mode: t
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  mouse-wheel-mode: t
  file-name-shadow-mode: t
  context-menu-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  minibuffer-regexp-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  auto-save-visited-mode: t

Load-path shadows:
None found.

Features:
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xterm eglot external-completion jsonrpc ert ewoc descr-text novice
vtable package-vc calc-poly calc-arith calc-misc calc-alg
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multi-isearch network-stream url-http url-gw nsm url-cache
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cl-generic indonesian philippine cham georgian utf-8-lang
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hashtable-print-readable backquote threads dbusbind inotify
dynamic-setting system-font-setting font-render-setting cairo gtk
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emacs)

Memory information:
((conses 16 3003423 1050394) (symbols 48 71255 2209)
 (strings 32 384264 44776) (string-bytes 1 11723127)
 (vectors 16 153369) (vector-slots 8 2666912 1228221)
 (floats 8 15228 49590) (intervals 56 344023 34775) (buffers 992 89))





^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2024-06-17 16:24 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-06-07 14:15 bug#71415: 30.0.50; vtable-current-object off by one john muhl
2024-06-15  8:40 ` Eli Zaretskii
2024-06-15 18:55   ` john muhl
2024-06-16  0:45   ` Adam Porter
2024-06-17 13:35     ` john muhl
2024-06-17 16:24       ` Eli Zaretskii

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