GNU bug report logs - #22537
25.1.50; cursor-sensor-mode strangeness

Previous Next

To add a comment to this bug, you must first unarchive it, by sending
a message to control AT debbugs.gnu.org, with unarchive 22537 in the body.
You can then email your comments to 22537 AT debbugs.gnu.org in the normal way.

Toggle the display of automated, internal messages from the tracker.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Helmut Eller <eller.helmut <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.1.50; cursor-sensor-mode strangeness
Date: Tue, 02 Feb 2016 22:20:44 +0100

When executing the example below with: emacs -Q -nw -l test.el
Emacs prints
   "result: ((1 2 entered) (5 6 left))"
I would expect this instead:
   ((1 2 entered) (2 3 left) (4 5 entered) (5 6 left))

(progn
  (defvar test-result '())

  (defun test-sensor (_ pos entered/left)
    (push (list pos (point) entered/left) test-result))

  (defun test ()
    (interactive)
    (setq test-result '())
    (with-current-buffer (get-buffer-create "test")
      (erase-buffer)
      (insert "x")
      (insert (propertize "a" 'cursor-sensor-functions (list #'test-sensor)))
      (insert "y")
      (insert (propertize "b" 'cursor-sensor-functions (list #'test-sensor)))
      (insert "z")
      (cursor-sensor-mode 1)
      (save-selected-window
	(let ((win (display-buffer (current-buffer))))
	  (select-window win)
	  (goto-char (point-min)))
	(while (not (eobp))
	  (redisplay t)
	  (forward-char))
	(redisplay t)))
    (message "result: %S" (reverse test-result)))

  (test))

In GNU Emacs 25.1.50.3 (i686-pc-linux-gnu, GTK+ Version 3.14.5)
 of 2016-01-29 built on ix
Repository revision: 487bd7aedf9bbbf0b939b653912253fbeb7d16b9
System Description:	Debian GNU/Linux 8.0 (jessie)

Configured using:
 'configure --with-jpeg=no --with-gif=no --with-tiff=no'

Configured features:
XPM PNG RSVG SOUND DBUS GSETTINGS NOTIFY LIBXML2 FREETYPE XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11

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

Message #8 received at 22537 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Helmut Eller <eller.helmut <at> gmail.com>
Cc: 22537 <at> debbugs.gnu.org
Subject: Re: bug#22537: 25.1.50; cursor-sensor-mode strangeness
Date: Thu, 03 Dec 2020 10:49:12 +0100

Helmut Eller <eller.helmut <at> gmail.com> writes:

> When executing the example below with: emacs -Q -nw -l test.el
> Emacs prints
>    "result: ((1 2 entered) (5 6 left))"
> I would expect this instead:
>    ((1 2 entered) (2 3 left) (4 5 entered) (5 6 left))

(This bug report unfortunately got no response at the time.)

In Emacs 28, I'm getting:

"result: ((1 2 entered) (2 3 left) (3 4 entered) (4 5 left))"

And I think that's correct?  So it looks like this has been fixed at
some point in the years that's passed since this was reported, and I'm
closing this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.