bug#2895: marked as done (23.0.92; Tooltip persists with tooltip-mode off (new syndrome))

[Emacs bug Tracking System]

Your message dated Mon, 06 Apr 2009 19:55:12 -0400
with message-id <87skklnxr3.fsf@cyd.mit.edu>
and subject line Re: 23.0.92; Tooltip persists with tooltip-mode off (new 
syndrome)
has caused the Emacs bug report #2895,
regarding 23.0.92; Tooltip persists with tooltip-mode off (new syndrome)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
2895: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=2895
Emacs Bug Tracking System
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> --- Begin Message ---
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>
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> Subject: 
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> 23.0.92; Tooltip persists with tooltip-mode off (new syndrome)
>
>
>
>
> Date: 
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> Sun, 5 Apr 2009 16:16:08 -0400
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>
>
>
>    This can be reproduced in trunk, built as of a few hours ago, and
> requires circumstances different from bug#2680, though the buggy symptom
> is similar:  A tooltip is redisplayed in the message area after moving
> the mouse to a spot where it no longer applies.
>
>    To reproduce:
>
>    1.  "emacs -Q"
>
>    2.  "M-x tooltip-mode RET".  This is on by default, so it should
> display "Tooltip mode disabled" in the message area.
>
>    3.  Invoke "C-e" (or whatever) in order to clear the message area;
> the bug doesn't manifest reliably if something is already displayed
> there.
>
>    4.  Move the mouse into the "-----" part of the right edge of the
> "*scratch*" buffer mode line.  The message area will show the tooltip
> correctly, combined into a single line and (if the frame is narrow
> enough) truncated at the right.
>
>    5.  Slide the mouse to the left until it enters the "Lisp
> Interaction" area, without taking the mouse out of the mode line.  The
> message area will change to show a different tooltip for the highlighted
> "Lisp Interaction" area.  It is important that the two mouse-sensitive
> areas be adjacent, with no intervening "dead" area, so not all mode line
> components are suitable for this.
>
>    6.  Now move the mouse back into either the *scratch* buffer or the
> message area.  Instead of reverting the message area to the pre-tooltip
> message, the tooltip for "-----" will be redisplayed.
>
>    I was able to fix this superficially, but the resulting code was
> subject to timing problems, and it eventually lost any previous message,
> so no patch this time.
>
>    FWIW, one timing problem happened when mouse jitter appeared to make
> the cursor move from mode line to message area and back three times in
> an eyeblink; the result was a regression of bug#2680.  I managed to
> reproduce this twice, after lots of trying.  It looks like it could be
> due to a failure to execute tooltip-show-help-non-mode atomically, which
> makes me think I don't understand enough about how mouse motion events
> are processed to produce a solid fix.
>
>                                         -- Bob Rogers
>                                            http://www.rgrjr.com/
>
>
>
> --- End Message ---
> --- Begin Message ---
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>
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> Subject: 
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> Re: 23.0.92; Tooltip persists with tooltip-mode off (new syndrome)
>
>
>
>
> Date: 
>
> Mon, 06 Apr 2009 19:55:12 -0400
>
>
>
>
> I've checked in a fix to CVS.  Thanks.
>
>
> --- End Message ---