Use pixel-fill-width in shr.el

* lisp/net/shr.el (shr--window-width): Factor out into own function.
(shr-insert-document): Use it.
(shr-fill-text): Ditto.

1 files changed, 14 insertions, 26 deletions

diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 5d38a7e19da..d4c7aaf1c87 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -312,6 +312,18 @@ and other things:
        (or (not (zerop (fringe-columns 'right)))
            (not (zerop (fringe-columns 'left))))))
 
+(defun shr--window-width ()
+  ;; Compute the width based on the window width.  We need to
+  ;; adjust the available width for when the user disables
+  ;; the fringes, which will cause the display engine usurp
+  ;; one column for the continuation glyph.
+  (if (not shr-use-fonts)
+      (- (window-body-width) 1
+         (if (shr--have-one-fringe-p)
+             1
+           0))
+    (pixel-fill-width)))
+
 ;;;###autoload
 (defun shr-insert-document (dom)
   "Render the parsed document DOM into the current buffer.
@@ -333,21 +345,7 @@ DOM should be a parse tree as generated by
              (if (not shr-use-fonts)
                  shr-width
                (* shr-width (frame-char-width)))
-           ;; Compute the width based on the window width.  We need to
-           ;; adjust the available width for when the user disables
-           ;; the fringes, which will cause the display engine usurp
-           ;; one column for the continuation glyph.
-           (if (not shr-use-fonts)
-               (- (window-body-width) 1
-                  (if (shr--have-one-fringe-p)
-                      1
-                    0))
-             (- (window-body-width nil t)
-                (* 2 (frame-char-width))
-                (if (shr--have-one-fringe-p)
-                    0
-                  (* (frame-char-width) 2))
-                1))))
+           (shr--window-width)))
         (max-specpdl-size max-specpdl-size)
         ;; `bidi-display-reordering' is supposed to be only used for
         ;; debugging purposes, but Shr's naïve filling algorithm
@@ -626,17 +624,7 @@ size, and full-buffer size."
     (with-temp-buffer
       (let ((shr-indentation 0)
             (shr-start nil)
-            (shr-internal-width (- (window-body-width nil t)
-                                   (* 2 (frame-char-width))
-                                   ;; Adjust the window width for when
-                                   ;; the user disables the fringes,
-                                   ;; which causes the display engine
-                                   ;; to usurp one column for the
-                                   ;; continuation glyph.
-                                   (if (and (null shr-width)
-                                            (not (shr--have-one-fringe-p)))
-                                       (* (frame-char-width) 2)
-                                     0))))
+            (shr-internal-width (shr--window-width)))
         (shr-insert text)
         (shr-fill-lines (point-min) (point-max))
         (buffer-string)))))