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bug#57163: completing-read not allow cycling of the options by default
From: |
Eli Zaretskii |
Subject: |
bug#57163: completing-read not allow cycling of the options by default |
Date: |
Sat, 13 Aug 2022 18:14:43 +0300 |
> Date: Sat, 13 Aug 2022 14:32:02 +0000
> From: uzibalqa <uzibalqa@proton.me>
> Cc: Michael Heerdegen <michael_heerdegen@web.de>, 57163@debbugs.gnu.org
>
> > > You mean the completion candidates? M-<up> and M-<down> do that (by
> > > default).
>
> > As does repeatedly pressing TAB, right? Or maybe I don't understand
> > what is meant by "cycling" in this context? An example of using
> > completing-read and the lack of cycling would be appreciated.
>
> Correct, TAB, M-<up>, M-<down> do not execute any functionality
They do here, see below.
> Consider the following function. Call the function with "M-x change-cursor".
> TAB produces "[Complete, but not unique]"; whilst "M-down" and "M-up" result
> in [M-down is undefined] and [M-up is undefined].
>
> (defun change-cursor (form)
> "Modify the cursor form."
>
> (interactive
> (list
> (let ( (cseq '("bar" "hbar" "hollow" "box")) )
> (completing-read " Cursor: " cseq nil t "box"))))
>
> (pcase form
> ("bar"
> (set-default 'cursor-type 'bar)
> ("hbar"
> (set-default 'cursor-type 'hbar)
> ("hollow"
> (set-default 'cursor-type 'hollow)
> ("box"
> (set-default 'cursor-type 'box))) )
If I evaluate
(let ( (cseq '("bar" "hbar" "hollow" "box")) )
(completing-read " Cursor: " cseq nil t "box"))
then I can cycle through all the candidates with M-n and M-p. TAB
doesn't do anything because the window showing the candidates is small
and shows all of them at once.
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/12
- bug#57163: completing-read not allow cycling of the options by default, Michael Heerdegen, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, Eli Zaretskii, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default,
Eli Zaretskii <=
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, Eli Zaretskii, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, Eli Zaretskii, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, Eli Zaretskii, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/13
- bug#57163: completing-read not allow cycling of the options by default, Eli Zaretskii, 2022/08/14
- bug#57163: completing-read not allow cycling of the options by default, uzibalqa, 2022/08/14
- bug#57163: completing-read not allow cycling of the options by default, Eli Zaretskii, 2022/08/14