GNU bug report logs - #32777
27.0.50; window-buffer gets wrong point

Previous Next

Full log

View this message in rfc822 format

From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 32777 <at> debbugs.gnu.org, Federico Tedin <federicotedin <at> gmail.com>
Subject: bug#32777: 27.0.50; window-buffer gets wrong point
Date: Fri, 21 Dec 2018 02:18:43 +0200

> I can see two possible fixes for the underlying problem:
>
> (1) Handle the minibuf_selected_window case specially.  This means
> that, if on the target frame of the unwind form this variable is
> non-nil, we restore the value of point of the buffer shown in
> minibuf_selected_window to that window's point.
>
> (2) Ignore minibuf_selected_window and handle point of the buffer
> shown in the selected window of the frame whose title we consider for
> drawing its title.  That is, record the buffer shown in
> f->selected_window together with its position of point before
> selecting f->selected_window in x_consider_frame_title and restore the
> buffer's position of point in the unwind form.
>
> I think (1) is more conservative because it strictly handles just
> scenarios like Juri's.  But (1) does not handle the case where the
> buffer of W2 is not shown anywhere else when x_consider_frame_title is
> called.  So IMHO (2) should be the correct approach but I have no idea
> what further consequences it could have.

If the underlying problem can't be fixed, then maybe at least fix
this particular case like Federico proposed?

Previous Next

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