GNU bug report logs - #41251
28.0.50; Cannot customize mouse-drag-and-drop-region modifier

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: David Ponce <da_vid <at> orange.fr>
Subject: bug#41251: closed (bug#41251: 28.0.50; Cannot customize
 mouse-drag-and-drop-region modifier )
Date: Thu, 14 May 2020 10:28:02 +0000

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Your bug report

#41251: 28.0.50; Cannot customize mouse-drag-and-drop-region modifier

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 41251 <at> debbugs.gnu.org.

-- 
41251: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41251
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Mattias Engdegård <mattiase <at> acm.org>
To: David Ponce <da_vid <at> orange.fr>
Cc: 41251-done <at> debbugs.gnu.org
Subject: bug#41251: 28.0.50; Cannot customize mouse-drag-and-drop-region
 modifier 
Date: Thu, 14 May 2020 12:27:26 +0200

Thank you, fixed on master.

[Message part 3 (message/rfc822, inline)]

From: David Ponce <da_vid <at> orange.fr>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; Cannot customize mouse-drag-and-drop-region modifier
Date: Thu, 14 May 2020 10:48:13 +0200

Hello,

There is an issue in the definition of `mouse-drag-and-drop-region' that
will not correctly set the option depending on selected modifier. That
is, when any option "Enable, but copy with the MODIFIER modifier" is
set, the value of `mouse-drag-and-drop-region' is always set to the
symbol 'modifier instead of 'alt, 'super, 'hyper, 'shift, 'control, or
'meta, depending on the selected option. It seems due to a missing comma
in the backquote expression.

The below patch fixed the issue for me:

diff --git a/installs/emacs/lisp/mouse.el b/emacs.d/mouse.el
index 9703d95..795b4da 100644
--- a/installs/emacs/lisp/mouse.el
+++ b/emacs.d/mouse.el
@@ -2556,7 +2556,7 @@ region, text is copied instead of being cut."
              (lambda (modifier)
                `(const :tag ,(format "Enable, but copy with the %s modifier"
                                      modifier)
-                       modifier))
+                       ,modifier))
              '(alt super hyper shift control meta))
           (other :tag "Enable dragging the region" t))
   :version "26.1")

Thanks!

In GNU Emacs 28.0.50 (build 8, x86_64-pc-linux-gnu, GTK+ Version 3.24.13, cairo version 1.16.0)
 of 2020-05-12 built on kilauea
Repository revision: 4645430b9287c3f5ae9863d465a5dd4158e313a9
Repository branch: master
Windowing system distributor 'Fedora Project', version 11.0.12006000
System Description: Fedora 31 (KDE Plasma)

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