GNU bug report logs - #20620
Mouse highlighting not removed at end of mode-line

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

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: bug-gnu-emacs <at> gnu.org
Subject: Mouse highlighting not removed at end of mode-line
Date: Wed, 20 May 2015 18:02:56 -0400

Package: Emacs
Version: 25.0.50


Do the following:

   src/emacs -Q --eval "(setcdr (memq 'mode-line-buffer-identification mode-line-format) nil)"

and then

   move mouse from left to right over the mode-line

When I try it, I see that as the mouse passes over "*scratch*" the
buffer name is highlighted as it should, but once the mouse gets to the
rest of the mode-line (which is empty) the highlighting lingers until
the mouse actually leaves the mode-line.

I originally noticed it in the up volume button of the mpc.el player
(which is similarly highlighted and placed at the end of the
header-line) but the above recipe is simpler.


        Stefan




In GNU Emacs 25.0.50.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2015-04-28 on pastel
Windowing system distributor `The X.Org Foundation', version 11.0.11604000
System Description:	Debian GNU/Linux 8.0 (jessie)

Configured using:
 `configure -C --enable-checking --enable-check-lisp-object-type
 'CFLAGS=-Wall -g3 -Og -Wno-pointer-sign'
 PKG_CONFIG_PATH=/home/monnier/lib/pkgconfig'

Configured features:
XAW3D XPM JPEG TIFF GIF PNG SOUND GPM DBUS NOTIFY GNUTLS LIBXML2
FREETYPE M17N_FLT LIBOTF XFT ZLIB

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

Major mode: InactiveMinibuffer

Minor modes in effect:
  c-electric-flag: t
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  electric-pair-mode: t
  url-handler-mode: t
  global-reveal-mode: t
  reveal-mode: t
  auto-insert-mode: t
  savehist-mode: t
  minibuffer-electric-default-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  global-prettify-symbols-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent messages:
Type C-c C-c to toggle between editing or viewing the document.
When done with a buffer, type C-x #
New window #<window 375 on ex5-1.pdf> for buf ex5-1.pdf
New window #<window 375 on ex3.pdf> for buf ex3.pdf
Marking diary entries...done
New window t for buf Calendrier-scolaire.pdf
Type C-c C-c to toggle between editing or viewing the document.
When done with a buffer, type C-x #
New window #<window 377 on Calendrier-scolaire.pdf> for buf Calendrier-scolaire.pdf
Appended 5 songs

Load-path shadows:
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-ref-man hides /home/monnier/src/emacs/elpa/packages/ada-ref-man/ada-ref-man
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-prj hides /home/monnier/src/emacs/work/lisp/progmodes/ada-prj
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-stmt hides /home/monnier/src/emacs/work/lisp/progmodes/ada-stmt
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-mode hides /home/monnier/src/emacs/work/lisp/progmodes/ada-mode
/home/monnier/src/emacs/elpa/packages/ada-mode/ada-xref hides /home/monnier/src/emacs/work/lisp/progmodes/ada-xref
/home/monnier/src/emacs/elpa/packages/crisp/crisp hides /home/monnier/src/emacs/work/lisp/obsolete/crisp

Features:
(mail-extr emacsbug quail skeleton vc-annotate subr-x thai-util
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imenu haskell-font-lock haskell-indent haskell-mode haskell-string
haskell-sort-imports haskell-align-imports flymake ediff-merg ediff-wind
ediff-diff ediff-mult ediff-help ediff-init ediff-util ediff sgml-mode
reftex-dcr reftex reftex-vars tex-mode latexenc etags bbdb-com bbdb
timezone reposition semantic/bovine/c semantic/db-mode
semantic/decorate/include semantic/decorate/mode semantic/decorate pulse
semantic/bovine/c-by semantic/lex-spp semantic/idle semantic/bovine/gcc
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cl-macs cl gv pg-vars savehist minibuf-eldef disp-table edmacro kmacro
cl-loaddefs pcase cl-lib advice help-fns info easymenu finder-inf
package epg-config bbdb-autoloads agda2 vm-autoloads mule-util tooltip
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jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice
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sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote dbusbind inotify dynamic-setting
font-render-setting x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 8 1088122 266684)
 (symbols 24 138914 0) (miscs 20 21171 6748) (strings 16 246935 36502)
 (string-bytes 1 6537713)
 (vectors 8 99546) (vector-slots 4 3064121 360600) (floats 8 919 1197)
 (intervals 28 103647 7729)
 (buffers 520 138) (heap 1024 1188935 46678))

Message #10 received at 20620-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 20620-done <at> debbugs.gnu.org
Subject: Re: bug#20620: Mouse highlighting not removed at end of mode-line
Date: Thu, 21 May 2015 19:39:55 +0300

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Date: Wed, 20 May 2015 18:02:56 -0400
> 
>    src/emacs -Q --eval "(setcdr (memq 'mode-line-buffer-identification mode-line-format) nil)"
> 
> and then
> 
>    move mouse from left to right over the mode-line
> 
> When I try it, I see that as the mouse passes over "*scratch*" the
> buffer name is highlighted as it should, but once the mouse gets to the
> rest of the mode-line (which is empty) the highlighting lingers until
> the mouse actually leaves the mode-line.

Fixed in commit fc071bf.

Thanks.

Message #13 received at 20620-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 20620-done <at> debbugs.gnu.org
Subject: Re: bug#20620: Mouse highlighting not removed at end of mode-line
Date: Thu, 21 May 2015 16:50:41 -0400

> Fixed in commit fc071bf.

You rock!


        Stefan

Message #16 received at 20620 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
Cc: 20620 <at> debbugs.gnu.org
Subject: Re: bug#20620: Mouse highlighting not removed at end of mode-line
Date: Fri, 22 May 2015 10:12:31 +0300

> From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
> Cc: 20620-done <at> debbugs.gnu.org
> Date: Thu, 21 May 2015 16:50:41 -0400
> 
> > Fixed in commit fc071bf.
> 
> You rock!

Thanks.  I actually find it amazing that this simple bug survived
undetected for so long.

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