On Sat, Dec 14, 2024 at 12:30 PM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Nicolas Desprès <nicolas.despres@gmail.com>
> > Date: Sat, 14 Dec 2024 11:05:30 +0100
> >
> > Currently, `split-window-sensibly' prefers to split vertically,
> > disregarding the shape of the frame.  This is a good default when
> > Emacs is taller than wider.  However, when Emacs is in fullscreen
> > (landscape screen layout), splitting vertically is generally not the
> > thing to do because there is plenty of space on the right.
> >
> > Typical scenario: Emacs is in fullscreen; one buffer is open in a window
> > covering the entire frame.  Another buffer is opened in a second
> > window (C-x 4 f). In this case, the split should generally be horizontal.
> > The attached patch changes `split-window-sensibly' to just try
> > spliting the longest edge first. It works well when implemented in my
> init.el
> > and installed by setting `split-window-preferred-function'.
>
> Why don't the user options split-height-threshold and
> split-width-threshold we already have are not enough to allow to have
> this without any code changes?
>
> I add martin to this discussion, since I expect him to have a lot of
> insight on these matters.
>
>
Because these variables define the minimum size to allow splitting, not the
order by which split orientations are tried.

Thanks for replying :)
-Nico