GNU bug report logs - #50067
Context menus

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From: Juri Linkov <juri <at> linkov.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 50067 <at> debbugs.gnu.org, mattiase <at> acm.org, alan <at> idiocy.org, tkk <at> misasa.okayama-u.ac.jp, larsi <at> gnus.org
Subject: bug#50067: Context menus
Date: Wed, 01 Sep 2021 10:12:54 +0300

>> >>> ** no multiple horizontal lines
>> >>>
>> >>> Sometimes I see double lines on the context menu.  I think that there is
>> >>> no useful case to have double lines.  To allow only one horizontal line
>> >>> would look cool.
>> >>
>> >> Right, double separators should be removed.
>> >
>> > OK.
>>
>> This is not easy to do.  Because there are menu-items
>> that use the filter :visible, e.g.:
>
> Can I ask why do we need the separators in the context menus?  Why not
> remove them all, unconditionally?

The separators are of great help to provide visual cues for groups
of objects.  All menus on the menu-bar in Emacs use separators.
Anyway, this is implemented now:

diff --git a/lisp/mouse.el b/lisp/mouse.el
index 7d3ed9a0e4..8ac22a07c9 100644
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -315,7 +315,14 @@ context-menu-map
                           (lambda (fun)
                             (setq menu (funcall fun menu))
                             nil))))
-    ;; TODO: remove double separators
+    ;; Remove double separators
+    (let ((l menu))
+      (while l
+        (when (and (equal (cdr-safe (car l)) menu-bar-separator)
+                   (equal (cdr-safe (cadr l)) menu-bar-separator))
+          (setcdr l (cddr l)))
+        (setq l (cdr l))))
+
     (when (functionp context-menu-filter-function)
       (setq menu (funcall context-menu-filter-function menu)))
     menu))

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