* How to obtain customize :type for an option at runtime?
@ 2006-01-28 16:53 Drew Adams
2006-01-29 2:09 ` Lennart Borgman
0 siblings, 1 reply; 4+ messages in thread
From: Drew Adams @ 2006-01-28 16:53 UTC (permalink / raw)
How can I determine, for a given user option, what its Customize :type is?
For example, function `user-variable-p' tests whether a symbol is a user
option, but what if I want to test whether a variable is a toggle (binary)
option?
Although not all options that can act as toggles are defined with a simple
":type 'boolean" in Customize (far from it, and there are good reasons for
that), obtaining such :type info would be a start.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: How to obtain customize :type for an option at runtime?
[not found] <mailman.13.1138483893.3044.help-gnu-emacs@gnu.org>
@ 2006-01-28 22:57 ` John Paul Wallington
2006-01-28 23:25 ` Drew Adams
0 siblings, 1 reply; 4+ messages in thread
From: John Paul Wallington @ 2006-01-28 22:57 UTC (permalink / raw)
Cc: Help-Gnu-Emacs
"Drew Adams" <drew.adams@oracle.com> writes:
> How can I determine, for a given user option, what its Customize :type is?
Examine its `custom-type' property.
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: How to obtain customize :type for an option at runtime?
2006-01-28 22:57 ` John Paul Wallington
@ 2006-01-28 23:25 ` Drew Adams
0 siblings, 0 replies; 4+ messages in thread
From: Drew Adams @ 2006-01-28 23:25 UTC (permalink / raw)
> How can I determine, for a given user option, what its
> Customize :type is?
Examine its `custom-type' property.
Thanks a lot John-Paul - just what I needed.
I guess this is another one of those things that you need to search the
source code to find - it's not in the Elisp manual.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: How to obtain customize :type for an option at runtime?
2006-01-28 16:53 How to obtain customize :type for an option at runtime? Drew Adams
@ 2006-01-29 2:09 ` Lennart Borgman
0 siblings, 0 replies; 4+ messages in thread
From: Lennart Borgman @ 2006-01-29 2:09 UTC (permalink / raw)
Cc: Help-Gnu-Emacs
Drew Adams wrote:
> How can I determine, for a given user option, what its Customize :type is?
>
> For example, function `user-variable-p' tests whether a symbol is a user
> option, but what if I want to test whether a variable is a toggle (binary)
> option?
>
> Although not all options that can act as toggles are defined with a simple
> ":type 'boolean" in Customize (far from it, and there are good reasons for
> that), obtaining such :type info would be a start.
>
It is in the symbol property list:
(get 'your-symbol 'custom-type)
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2006-01-29 2:09 UTC | newest]
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2006-01-28 16:53 How to obtain customize :type for an option at runtime? Drew Adams
2006-01-29 2:09 ` Lennart Borgman
[not found] <mailman.13.1138483893.3044.help-gnu-emacs@gnu.org>
2006-01-28 22:57 ` John Paul Wallington
2006-01-28 23:25 ` Drew Adams
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