GNU bug report logs - #18120
cua-rect.el issue on help

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Pierre-Yves <py <at> luyten.fr>
To: bug-gnu-emacs <at> gnu.org
Subject: cua-rect.el issue on help
Date: Sun, 27 Jul 2014 23:54:32 +0200

[Message part 1 (text/plain, inline)]

cua-rectangle feature does offer to type ? for help. It will display several available key sequence. Since modifier is not known, a function computes the string from the prefix variable.
It is basically a switch, which works for ‘hyper or ‘super or ‘alt or ‘meta , but it does not work for ‘control.

This is feasible to use ‘control as the modifier. 
   (setq cua--rectangle-modifier-key ‘control)


This one liner patch fixes the help in such case.
The cua-rect-help.patch is the result of `diff -c` command.
The 0001- prefixed patch is git, but I believe this is not the proper format.

[cua-rect-help.patch (application/octet-stream, attachment)]

[0001-cua-rect-help-check-for-control-value.patch (application/octet-stream, attachment)]

Message #8 received at 18120 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Pierre-Yves <py <at> luyten.fr>
Cc: 18120 <at> debbugs.gnu.org
Subject: Re: bug#18120: cua-rect.el issue on help
Date: Sat, 03 Aug 2019 21:48:04 +0200

Pierre-Yves <py <at> luyten.fr> writes:

> cua-rectangle feature does offer to type ? for help. It will display
> several available key sequence. Since modifier is not known, a
> function computes the string from the prefix variable.
> It is basically a switch, which works for ‘hyper or ‘super or ‘alt or
> ‘meta , but it does not work for ‘control.
>
> This is feasible to use ‘control as the modifier. 
>    (setq cua--rectangle-modifier-key ‘control)

[...]

>   		 ((eq cua--rectangle-modifier-key 'super) " s-")
>   		 ((eq cua--rectangle-modifier-key 'alt) " A-")
> +                  ((eq cua--rectangle-modifier-key 'control) " C-")
>   		 (t " M-"))))

(I'm going through old bug reports that unfortunately have not received
any responses yet.)

I don't use cua mode myself, but this looks like it's "obviously" the
right thing, so I've applied the patch to Emacs 27.

If a cua user determines that it's not quite the right thing to do,
please feel free to revert the patch.

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

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