From: Juri Linkov <juri@linkov.net>
To: martin rudalics <rudalics@gmx.at>
Cc: Lars Ingebrigtsen <larsi@gnus.org>, 47300@debbugs.gnu.org
Subject: bug#47300: delete-window to select window with same position
Date: Thu, 27 May 2021 00:29:36 +0300 [thread overview]
Message-ID: <87v9752n4r.fsf@mail.linkov.net> (raw)
In-Reply-To: <1032ab23-3905-1b3f-917c-60ccd12337b3@gmx.at> (martin rudalics's message of "Tue, 25 May 2021 08:50:23 +0200")
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>> I don't know why, but sometimes `window-at' returns 'nil'.
>
> `window-at' is pretty useless anyway. Try the below instead.
>
> (defun window-at-pos (x y &optional frame)
Thanks. Now after tweaking I finally found what changes would make
the workable version:
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[-- Attachment #2: delete-window-use-posn.patch --]
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diff --git a/lisp/window.el b/lisp/window.el
index fd1c617d6b..81a770ff32 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -4140,6 +4140,23 @@ window--in-subtree-p
(throw 'done t)
(setq parent (window-parent parent))))))))
+(defun window-at-pos (x y &optional frame)
+ "Return live window at position X, Y on specified FRAME.
+X and Y are counted in pixels from the origin at 0, 0 of FRAME's
+native frame. FRAME must specify a live frame and defaults to
+the selected one. Return nil if no such window can be found."
+ (setq frame (window-normalize-frame frame))
+ (catch 'window
+ (walk-window-tree
+ (lambda (window)
+ (let ((edges (window-edges window nil nil t)))
+ (when (and (>= x (nth 0 edges)) (< x (nth 2 edges))
+ (>= y (nth 1 edges)) (< y (nth 3 edges)))
+ (throw 'window window))))
+ frame nil nil)))
+
+(defvar delete-window-use-posn-at-point t)
+
(defun delete-window (&optional window)
"Delete WINDOW.
WINDOW must be a valid window and defaults to the selected one.
@@ -4162,7 +4179,7 @@ delete-window
(let* ((frame (window-frame window))
(function (window-parameter window 'delete-window))
(parent (window-parent window))
- atom-root)
+ atom-root posn-at-point-x posn-at-point-y window-at-posn-at-point)
(window--check frame)
(catch 'done
;; Handle window parameters.
@@ -4211,10 +4228,22 @@ delete-window
(t
;; Can't do without resizing fixed-size windows.
(window--resize-siblings window (- size) horizontal t)))
+ (when delete-window-use-posn-at-point
+ ;; Remember WINDOW's position at point.
+ (let ((edges (window-edges window nil nil t))
+ (posn-at-point (nth 2 (posn-at-point nil window))))
+ (when posn-at-point
+ (setq posn-at-point-x (+ (nth 0 edges) (car posn-at-point))
+ posn-at-point-y (+ (nth 1 edges) (cdr posn-at-point))))))
;; Actually delete WINDOW.
(delete-window-internal window)
(window--pixel-to-total frame horizontal)
- (when (and frame-selected
+ (when (and posn-at-point-x posn-at-point-y
+ (setq window-at-posn-at-point
+ (window-at-pos posn-at-point-x posn-at-point-y frame)))
+ ;; Select window at WINDOW's position at point.
+ (select-window window-at-posn-at-point))
+ (when (and frame-selected
(window-parameter
(frame-selected-window frame) 'no-other-window))
;; `delete-window-internal' has selected a window that should
next prev parent reply other threads:[~2021-05-26 21:29 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-21 20:31 bug#47300: delete-window to select window with same position Juri Linkov
2021-05-18 14:49 ` Lars Ingebrigtsen
2021-05-18 16:00 ` martin rudalics
2021-05-18 20:17 ` Juri Linkov
2021-05-19 7:42 ` martin rudalics
2021-05-19 16:07 ` Juri Linkov
2021-05-19 17:41 ` martin rudalics
2021-05-22 8:05 ` martin rudalics
2021-05-22 21:25 ` Juri Linkov
2021-05-23 8:43 ` martin rudalics
2021-05-25 6:50 ` martin rudalics
2021-05-26 21:29 ` Juri Linkov [this message]
2021-05-27 15:20 ` martin rudalics
2021-05-31 20:46 ` Juri Linkov
2021-06-02 9:08 ` martin rudalics
2021-06-03 21:20 ` Juri Linkov
2021-06-04 9:19 ` martin rudalics
2021-06-04 16:29 ` Juri Linkov
2021-06-06 7:43 ` martin rudalics
2021-06-06 20:47 ` Juri Linkov
2021-06-07 7:35 ` martin rudalics
2021-06-07 21:00 ` Juri Linkov
2021-06-10 7:44 ` martin rudalics
2021-06-11 17:06 ` Juri Linkov
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