Re: Prefer to split along the longest edge

[Eli Zaretskii <eliz@gnu.org>]

> From: Nicolas Desprès <nicolas.despres@gmail.com>
> Date: Sat, 14 Dec 2024 12:45:26 +0100
> Cc: martin rudalics <rudalics@gmx.at>, emacs-devel@gnu.org
> 
> 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?
> 
> Because these variables define the minimum size to allow splitting, not the order by which split orientations
> are tried.

Sorry, I don't understand: does it mean you are unable to change the
value of split-height-threshold to cause the function to split
horizontally?  If so, can you show a recipe?