GNU bug report logs - #6803
24.0.50; pc-selection-mode no longer plays nice with dired (or vice versa)

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Message #14 received at 6803 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: Tim Van Holder <tim.vanholder <at> gmail.com>, 6803 <at> debbugs.gnu.org
Subject: Re: bug#6803: 24.0.50; pc-selection-mode no longer plays nice with
 dired (or vice versa)
Date: Sun, 18 Jul 2021 14:57:26 +0200

Juanma Barranquero <lekktu <at> gmail.com> writes:

> On Thu, Aug 5, 2010 at 13:07, Tim Van Holder <tim.vanholder <at> gmail.com> wrote:
>> Dired normally has the up and down arrows bound to dired-previous-line
>> (also bound to [p]) and dired-next-line (also bound to [n]), respectively.
>> However, when pc-selection-mode is enabled, these bindings are
>> apparently overridden now, to previous-line-nomark and next-line-nomark,
>> respectively, breaking the normal dired navigation (point is not
>> automatically put on the file name).
>> Looking at 'C-h m' for dired in an older emacs version (a 23.0.60.1
>> build) and today's bzr head, the cause seems to be that while the older
>> dired explicitly bound <up> and <down>, the current dired seems to rely
>> on remapping <next-line> and <previous-line> instead.
>
> Right, this is a consequence of bug#6632 and revno:100864.
>
> Perhaps it should be reverted, but then, the use case mentioned in the
> bug will still be there.
>
> Opinions?

This was ten years ago, and nobody had any opinions.  The patch in
question removed the direct bindings...

We allow modes all over the place to bind `C-n' (there's apparently
around 100 of these in the Emacs tree), so I don't think Dired was doing
anything wrong here.

I haven't looked at pc-selection-mode, though -- is this problem still
present in recent Emacs versions?

diff --git a/lisp/dired.el b/lisp/dired.el
index c3d1435..0e5cc22 100644
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -1380,10 +1380,8 @@ Do so according to the former subdir alist OLD-SUBDIR-ALIST."
     (define-key map ">" 'dired-next-dirline)
     (define-key map "^" 'dired-up-directory)
     (define-key map " "  'dired-next-line)
-    (define-key map "\C-n" 'dired-next-line)
-    (define-key map "\C-p" 'dired-previous-line)
-    (define-key map [down] 'dired-next-line)
-    (define-key map [up] 'dired-previous-line)
+    (define-key map [remap next-line] 'dired-next-line)
+    (define-key map [remap previous-line] 'dired-previous-line)
     ;; hiding
     (define-key map "$" 'dired-hide-subdir)
     (define-key map "\M-$" 'dired-hide-all)
@@ -1393,7 +1391,7 @@ Do so according to the former subdir alist OLD-SUBDIR-ALIST."
     (define-key map (kbd "M-s f C-s")   'dired-isearch-filenames)
     (define-key map (kbd "M-s f M-C-s") 'dired-isearch-filenames-regexp)
     ;; misc
-    (define-key map "\C-x\C-q" 'dired-toggle-read-only)
+    (define-key map [remap toggle-read-only] 'dired-toggle-read-only)
     (define-key map "?" 'dired-summary)
     (define-key map "\177" 'dired-unmark-backward)
     (define-key map [remap undo] 'dired-undo)



-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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