From: Eli Zaretskii <eliz@gnu.org>
To: martin rudalics <rudalics@gmx.at>
Cc: me@eshelyaron.com, 70622@debbugs.gnu.org
Subject: bug#70622: [PATCH] New window parameter 'cursor-type'
Date: Sat, 11 May 2024 11:34:46 +0300 [thread overview]
Message-ID: <86o79c3fx5.fsf@gnu.org> (raw)
In-Reply-To: <8fe2af31-1509-45e7-9f0d-8f1e5b952353@gmx.at> (message from martin rudalics on Sat, 11 May 2024 09:35:37 +0200)
> Date: Sat, 11 May 2024 09:35:37 +0200
> Cc: me@eshelyaron.com, 70622@debbugs.gnu.org
> From: martin rudalics <rudalics@gmx.at>
>
> >> >> Shouldn't we validate the value of TYPE before plugging it into the
> >> >> window? I know we will validate it at display time, but maybe it's a
> >> >> good idea to do that here as well, and signal an error up front?
> >> >
> >> > AFAICT there are no invalid values, since we take "any other value" to
> >> > mean the same as 'hollow' (see C-h v cursor-type), so I think not
> >> > validating anything should be perfectly valid :)
> >> >
> >> >> Martin, WDYT?
> >>
> >> I think Eshel is right.
> >
> > Any reasons?
>
> The doc-string of the variable 'cursor-type' states that
>
> cursor-type is a variable defined in ‘C source code’.
>
> Its value is t
>
> Cursor to use when this buffer is in the selected window.
> Values are interpreted as follows:
>
> t use the cursor specified for the frame
> [...]
> ANYTHING ELSE display a hollow box cursor
>
> Suppose the buffer value is ANYTHING ELSE, someone wants to temporarily
> change it for a specific window and later wants to reset it back to its
> buffer value via 'set-window-cursor-type'. Should Emacs signal an error
> up front in that case?
I don't see why not.
The ANYTHING ELSE clause is simply defensive programming, something we
do in many other places. It can easily hide mistakes, and I see no
reason not to help users find those mistakes.
But if you are still unconvinced, I won't argue, although I still
don't understand your and Eshel's objections.
next prev parent reply other threads:[~2024-05-11 8:34 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-28 6:27 bug#70622: [PATCH] New window parameter 'cursor-type' Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-28 7:22 ` Eli Zaretskii
2024-04-28 15:00 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-28 15:29 ` Eli Zaretskii
2024-04-28 19:05 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-29 6:31 ` Eli Zaretskii
2024-04-29 8:18 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-29 9:08 ` Eli Zaretskii
2024-04-29 9:48 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-29 11:10 ` Eli Zaretskii
2024-04-30 9:03 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-30 12:12 ` Eli Zaretskii
2024-05-09 7:44 ` Eli Zaretskii
2024-05-09 10:56 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-09 11:25 ` Eli Zaretskii
2024-05-09 14:19 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-10 8:58 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-10 16:20 ` Eli Zaretskii
2024-05-11 7:35 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-11 8:34 ` Eli Zaretskii [this message]
2024-05-12 8:29 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-12 9:39 ` Eli Zaretskii
2024-05-12 12:33 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-13 8:05 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-13 12:13 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-18 9:43 ` Eli Zaretskii
2024-05-18 13:45 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-10 16:19 ` Eli Zaretskii
2024-04-29 9:48 ` martin rudalics via Bug reports for GNU Emacs, the Swiss army knife of text editors
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