GNU bug report logs - #32790
27.0.50; point jumps unexpectedly after delete-window

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Message #254 received at 32790 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Juri Linkov <juri <at> linkov.net>
Cc: 32790 <at> debbugs.gnu.org
Subject: Re: bug#32790: 27.0.50; point jumps unexpectedly after delete-window
Date: Sun, 18 Nov 2018 10:24:06 +0100

>>> I solved this general problem for myself with such advice:
>>>
>>> (advice-add 'switch-to-buffer :around
>>>               (lambda (orig-fun &rest args)
>>>                 (let ((buffer (apply orig-fun args))
>>>                       (window (selected-window)))
>>>                   (switch-to-prev-buffer window)
>>>                   (pop-to-buffer-same-window buffer))))
>>>
>>> Then 'S-M-right C-h C-n' shows it in the right window.
>>
>> I don't grok it yet.  What's the 'switch-to-prev-buffer' call for?
>
> switch-to-buffer switches the buffer in the selected window.
> switch-to-prev-buffer undoes this, and displays the same buffer
> in another window instead.

OK.  This is a very gross hack that relies on 'switch-to-prev-buffer'
switching back to the "right" buffer.  I can imagine now that you're
not very fond of having it skip certain buffers in the course of
action.

>> I would have to understand the "behavior" first.  One approach would
>> be to move the user-error and 'switch-to-buffer-preserve-window-point'
>> handling into the interactive specification handling and for the rest
>> do what 'pop-to-buffer-same-window' does.
>
> Or maybe to add a new option that will allow switch-to-buffer
> to use pop-to-buffer-same-window.

Allow or mandate?  Always?

martin

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