Re: Position buffer contents at bottom of window

Michael Heerdegen via Users list for the GNU Emacs text editor <[email protected]> Wed, 24 Jun 2026 16:44:42 +0200
Newsgroups gmane.emacs.help
Message-ID <[email protected]>
Joost Kremers <[email protected]> writes:

> ```
> (defun my--recenter-window-to-bottom (&optional window)
>   "Align contents of BUFFER to the bottom of WINDOW."
>   (interactive (list (selected-window)))
>   (when (window-live-p window)
>     (with-current-buffer (window-buffer window)
>       (when-let* ((_ (>= (window-end window t) (point-max)))
>                   (edges (window-body-pixel-edges window))
>                   (window-top (nth 1 edges))
>                   (window-bottom (nth 3 edges))
>                   (text-height (cdr (window-text-pixel-size window (window-start window))))
>                   (dy (- window-bottom window-top text-height)))
>         (message "↑%d ↓%d ↕%d dy%d" window-top window-bottom text-height dy)
>         (pixel-scroll-precision-scroll-up dy)))))
> ```

Regardless of your problem, at the first look I find the following in
your code suspicious: what thing do you expect pixel-scroll to scroll?
The WINDOW is never selected so your current buffer and the selected
window are possibly not associated.


Michael.