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Use frame-pixel-width/height to determine if frame is landscape

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* lisp/window.el (window--frame-landscape-p): New function.
(split-window-sensibly): Call it (bug#80053).
This commit is contained in:
Spencer Baugh
2026-01-29 11:58:51 +00:00
committed by Sean Whitton
parent 495f6b412d
commit 4dc7d6056f
1 changed files with 11 additions and 1 deletions
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12
lisp/window.el
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@@ -7584,6 +7584,16 @@ strategy."
(with-selected-window window
(split-window-right))))
(defun window--frame-landscape-p (&optional frame)
"Non-nil if FRAME is wider than it is tall.
On text frames, uses a heuristic for character height and width."
(if (display-graphic-p frame)
(> (frame-pixel-width frame) (frame-pixel-height frame))
;; On a terminal, displayed characters are usually roughly twice as
;; tall as they are wide.
(> (frame-width frame) (* 2 (frame-height frame)))))
(defun split-window-sensibly (&optional window)
"Split WINDOW in a way suitable for `display-buffer'.
The variable `split-window-preferred-direction' prescribes an order of
@@ -7624,7 +7634,7 @@ split."
(or (if (or
(eql split-window-preferred-direction 'horizontal)
(and (eql split-window-preferred-direction 'longest)
(> (frame-width) (frame-height))))
(window--frame-landscape-p (window-frame window))))
(or (window--try-horizontal-split window)
(window--try-vertical-split window))
(or (window--try-vertical-split window)