Treat the "Link" link in gnus-summary-browse-urls specially

* lisp/gnus/gnus-sum.el (gnus-collect-urls): Make sure that
the URL labeled "Link" is the first in the return list.
(gnus-summary-browse-url): Use the 1st URL as the default.
* lisp/wid-edit.el (widget-text): New function.

2 files changed, 23 insertions, 9 deletions

diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index 019b47d67ef..1f330e3ebf3 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -9435,17 +9435,24 @@ With optional ARG, move across that many fields."
     (widget-backward arg)))
 
 (defun gnus-collect-urls ()
-  "Return the list of URLs in the buffer after (point)."
-  (let ((pt (point)) urls)
-    (while (progn (widget-forward 1)
-                  ;; `widget-forward' wraps around to top of buffer.
+  "Return the list of URLs in the buffer after (point).
+The 1st element is the one named 'Link', if any."
+  (let ((pt (point)) urls link)
+    (while (progn (widget-move 1)
+                  ;; `widget-move' wraps around to top of buffer.
                   (> (point) pt))
       (setq pt (point))
-      (when-let ((u (or (get-text-property (point) 'shr-url)
-                        (get-text-property (point) 'gnus-string))))
+      (when-let ((w (widget-at pt))
+                 (u (or (widget-value w)
+                        (get-text-property pt 'gnus-string))))
         (when (string-match-p "\\`[[:alpha:]]+://" u)
-          (push u urls))))
-    (nreverse (delete-dups urls))))
+          (if (and (null link) (string= "Link" (widget-text w)))
+              (setq link u)
+            (push u urls)))))
+    (setq urls (nreverse urls))
+    (when link
+      (push link urls))
+    (delete-dups urls)))
 
 (defun gnus-summary-browse-url (arg)
   "Scan the current article body for links, and offer to browse them.
@@ -9468,7 +9475,7 @@ browse that directly, otherwise use completion to select a link."
             (cond ((= (length urls) 1)
                    (car urls))
                   ((> (length urls) 1)
-                   (completing-read "URL to browse: " urls nil t))))
+                   (completing-read "URL to browse: " urls nil t (car urls)))))
       (if target
           (browse-url target)
         (message "No URLs found.")))))
diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
index 376e3e5526f..5dee898991b 100644
--- a/lisp/wid-edit.el
+++ b/lisp/wid-edit.el
@@ -831,6 +831,13 @@ button end points."
       (delete-overlay field))
     (mapc 'widget-leave-text (widget-get widget :children))))
 
+(defun widget-text (widget)
+  "Get the text representation of the widget."
+  (when-let ((from (widget-get widget :from))
+             (to (widget-get widget :to)))
+    (when (eq (marker-buffer from) (marker-buffer to)) ; is this check necessary?
+      (buffer-substring-no-properties from to))))
+
 ;;; Keymap and Commands.
 
 ;; This alias exists only so that one can choose in doc-strings (e.g.