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Mouse events are generated without mouse


From: Roman Belenov
Subject: Mouse events are generated without mouse
Date: 22 Oct 2001 19:42:53 +0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1

This bug report will be sent to the Free Software Foundation,
not to your local site managers!
Please write in English, because the Emacs maintainers do not have
translators to read other languages for them.

Your bug report will be posted to the bug-gnu-emacs@gnu.org mailing list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.1.1 (i386-msvc-nt5.0.2195)
 of 2001-10-22 on NNWRBELENOV21
configured using `configure --with-msvc (12.00) --cflags /G6'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: C
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Run clean emacs (emacs -q) and make it somehow display when new mouse
event is generated. I used the following code

(defun xxx-display-time (event) (interactive "e")
  (message (format-time-string "%H:%M:%S" (current-time))))
(define-key special-event-map [mouse-movement] 'xxx-display-time)
(setq track-mouse t)

It shows that, e.g., pressing M-x generates mouse movement event
(current time appears in modeline), although no real mouse movement
happened.

This prevent normal usage of the follow-mouse package (it
automatically makes window under mouse selected after mouse
movement). Attempt to change current window by pressing key the
next-mutliframe-window is bound to (I use C-M-left for this purpose)
somehow generates mouse movement event which in turn abolishes the
effect of window switching.

I haven't experienced this behaviour in Emacs 20.x - mouse movement
event was generated only by real mouse movement as it should be.

Recent input:
M-x a p r o p o s <return> b u g <return> <help-echo> 
<help-echo> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<help-echo> <mouse-wheel> <help-echo> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<help-echo> <mouse-wheel> <mouse-wheel> <help-echo> 
<mouse-wheel> <mouse-wheel> <help-echo> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <help-echo> <mouse-wheel> 
<help-echo> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<help-echo> <mouse-wheel> <help-echo> <mouse-wheel> 
<help-echo> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <help-echo> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <help-echo> <mouse-wheel> <help-echo> 
<mouse-wheel> <help-echo> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <help-echo> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <help-echo> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <help-echo> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <help-echo> 
C-x 1 M-x r e p o r t - e m <tab> <return>

Recent messages:
19:26:23 [4 times]
19:26:24 [3 times]
19:26:26 [55 times]
19:26:27 [26 times]
19:26:28 [7 times]
nil
Follow mouse is enabled
Mark set
call-interactively: Quit
Loading emacsbug...done

-- 
                                                        With regards, Roman.




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