[debbugs-tracker] bug#18233: closed (24.3.92; Use of (frame-selected-window) in mode-line-format)

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Your message dated Sat,  9 Aug 2014 18:22:06 -0400 (EDT)
with message-id <address@hidden>
and subject line Re: bug#18233: 24.3.92; Use of (frame-selected-window) in 
mode-line-format
has caused the debbugs.gnu.org bug report #18233,
regarding 24.3.92; Use of (frame-selected-window) in mode-line-format
to be marked as done.

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18233: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18233
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> --- Begin Message ---
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> Subject: 
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> 24.3.92; Use of (frame-selected-window) in mode-line-format
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> Date: 
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> Sat,  9 Aug 2014 17:18:16 -0400 (EDT)
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> severity: wishlist
>
>     emacs -q
>     C-x 2
>     M-: (push '(:eval (if (eq (frame-selected-window)
>                               (selected-window))
>                           "A" "B"))
>               mode-line-format) RET
>
> Both mode-lines expose an 'A'-Marker.
>
> In Emacs 24.3 the mode-line of the window that is not the user selected
> one is marked with 'B'.
>
> I realise this subtle change is not exactly a bug.  The old behaviour is
> useful and used already, though.[1]
>
> [1] 
> https://github.com/milkypostman/highline/blob/1621662e886afa5948e8fccf0037d6c2a718e9a0/highline.el#L326
>
>
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> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#18233: 24.3.92; Use of (frame-selected-window) in mode-line-format
>
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> Date: 
>
> Sat,  9 Aug 2014 18:22:06 -0400 (EDT)
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>
> Stefan Monnier <address@hidden> writes:
> > So we won't go back to the old behavior.  Instead we should provide
> > a new feature for that.  IIRC you can currently do it by hand with
> > something like:
> >
> > (add-function :before pre-redisplay-function
> >               (lambda (_) (setq my-selected-window (selected-window))))
> >
> > and then compare (deleted-window) to my-selected-window in your
> > mode-line-format.
>
> Works great.  Thanks a lot!
>
>
> --- End Message ---