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Re: question about pop-to-buffer

From: Thierry Volpiatto
Subject: Re: question about pop-to-buffer
Date: Sat, 29 Sep 2012 21:20:37 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2.50 (gnu/linux)

martin rudalics <address@hidden> writes:

>> how can I set pop-to-buffer action arg to create the new window on top
>> and not on bottom of current window and split the windows equally.
> Side windows serve a different purpose and don't care about the selected
> window.  Moreover you can't set their heights and widths individually:
> All side windows on the left or right get the same width once set, all
> side windows on the top or bottom have the same height.  And you
> currently can't set the size of the first window at some side because
> there's a bug in `display-buffer-in-major-side-window' :-(
> So in `display-buffer-in-major-side-window' you have to replace
>        (size (or (assq 'size alist)
> by
>        (size (or (cdr (assq 'size alist))
> and then use for example
> (pop-to-buffer
>  (get-buffer-create "*toto*")
>  `(display-buffer-in-side-window . ((side . top) (size . ,(/ 
> (window-total-size (selected-window)) 2)) (slot . 0))))
> which is clumsy and won't work if a window of that size exists already.
> Interpreting your request literally with "selected" substituting
> "current", I suppose the following should do what you want:
> (let ((split-window-preferred-function
>        #'(lambda (window) (split-window (selected-window)  nil 'above))))
>   (pop-to-buffer (get-buffer-create "*toto*")))
>> Also if I have two windows the second one is not reused, a new one is
>> created instead. (but maybe is what `display-buffer-in-side-window' for
>> ?)
> I suppose you have to customize `window-sides-slots' appropriately.

Many thanks to take the time to clarify all this.

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