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[PATCH v2] org-agenda: Use `window-max-chars-per-line' to calculate max


From: Ihor Radchenko
Subject: [PATCH v2] org-agenda: Use `window-max-chars-per-line' to calculate max text width
Date: Fri, 22 Apr 2022 13:58:18 +0800

"N. Jackson" <nljlistbox2@gmail.com> writes:

>                                       (- (window-text-width))
>                                           ^^^^^^^^^^^^^^^^^
>
> Changing window-text-width to window-max-chars-per-line fixes the
> problem here and seems like the right thing to do.

Sounds reasonable.

Attaching the updated patch.

Best,
Ihor

>From 5251305db6032a4a10f337fe13c519cee6d0fb94 Mon Sep 17 00:00:00 2001
Message-Id: 
<5251305db6032a4a10f337fe13c519cee6d0fb94.1650606943.git.yantar92@gmail.com>
From: Ihor Radchenko <yantar92@gmail.com>
Date: Thu, 21 Apr 2022 13:18:39 +0800
Subject: [PATCH] org-agenda: Use `window-max-chars-per-line' to calculate max
 text width

* lisp/org-agenda.el (org-agenda-prepare):
(org-todo-list):
(org-agenda-align-tags):
(org-agenda-show-new-time): Calculate the maximum number of chars
fitting into window via `window-max-chars-per-line' instead of
`window-with' or `window-text-with'.  The latter functions can return
larger number when fringes are disabled [1].

[1] https://debbugs.gnu.org/cgi/bugreport.cgi?bug=19395

Reported in https://orgmode.org/list/87czhdqi9p.fsf_-_@moondust.localdomain
---
 lisp/org-agenda.el | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/lisp/org-agenda.el b/lisp/org-agenda.el
index a09b53563..0f656a6ad 100644
--- a/lisp/org-agenda.el
+++ b/lisp/org-agenda.el
@@ -3925,7 +3925,7 @@ (defun org-agenda-prepare (&optional name)
              (insert "\n"
                      (if (stringp org-agenda-block-separator)
                          org-agenda-block-separator
-                       (make-string (window-width) org-agenda-block-separator))
+                       (make-string (window-max-chars-per-line) 
org-agenda-block-separator))
                      "\n"))
            (narrow-to-region (point) (point-max)))
        (setq org-done-keywords-for-agenda nil)
@@ -4944,7 +4944,7 @@ (defun org-todo-list (&optional arg)
            (let ((n 0))
               (dolist (k kwds)
                 (let ((s (format "(%d)%s" (cl-incf n) k)))
-                  (when (> (+ (current-column) (string-width s) 1) 
(window-width))
+                  (when (> (+ (current-column) (string-width s) 1) 
(window-max-chars-per-line))
                     (insert "\n                     "))
                   (insert " " s))))
            (insert "\n"))
@@ -10032,8 +10032,8 @@ (defun org-agenda-align-tags (&optional line)
 current line."
   (let ((inhibit-read-only t)
        (org-agenda-tags-column (if (eq 'auto org-agenda-tags-column)
-                                   (- (window-text-width))
-                                 org-agenda-tags-column))
+                         (- (window-max-chars-per-line))
+                       org-agenda-tags-column))
        (end (and line (line-end-position)))
        l c)
     (save-excursion
@@ -10301,10 +10301,7 @@ (defun org-agenda-show-new-time (marker stamp 
&optional prefix)
                                  (line-end-position)
                                  '(display nil))
          (org-move-to-column
-           (- (if (fboundp 'window-font-width)
-                  (/ (window-width nil t) (window-font-width))
-                ;; Fall back to pre-9.3.3 behavior on Emacs <25.
-                (window-width))
+           (- (window-max-chars-per-line)
               (length stamp))
            t)
           (add-text-properties
-- 
2.35.1


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