From: weemattisnot <mde@rhthm.com>
To: Help-gnu-emacs@gnu.org
Subject: Re: Bug, or newbie error?
Date: Wed, 6 Jul 2011 09:24:36 -0700 (PDT) [thread overview]
Message-ID: <32006326.post@talk.nabble.com> (raw)
In-Reply-To: <8762nl34eg.fsf@ericabrahamsen.net>
Awesome. This worked. Thank you!
Eric Abrahamsen-2 wrote:
>
> On Fri, Jul 01 2011, weemattisnot wrote:
>
>> I am trying to write a bit of lisp to go in my .emacs file that binds
>> C-1 to a command to change the color of the selected text (in
>> enriched text minor-mode). I have success running the command M-x
>> facemenu-set-foreground where I am prompted for a color, I type red,
>> and it changes the selected region red. But, when I try to bind this
>> command to a key-press, it doesn't work correctly, changing the color
>> of the text at the very end of the document (such that if I add any
>> text at the end of the document, it will be red). Here is my .emacs
>> lisp (defun headingone () (interactive) (facemenu-set-foreground
>> "red") ) (global-set-key (kbd "C-1") 'headingone) Have I done
>> something wrong here? Any suggestions are welcome. Thank you in
>> advance. Weemattisnot
>>
>> View this message in context: Bug, or newbie error?
>> Sent from the Emacs - Help mailing list archive at Nabble.com.
>
> If you look at the documentation for facemenu-set-foreground you'll see
> that it takes one mandatory argument (the color), and two optional
> arguments (point and mark). Since your command is calling this function,
> your command needs to first collect all the input that the function
> might need. That means your command needs to use the interactive code
> (see "Interactive Codes" in the e-lisp manual) that picks up the region.
> That happens to be "r". Since "r" passes your command two arguments,
> your command signature has to allow for those arguments. So:
>
> (defun headingone (start end)
> (interactive "r")
> (facemenu-set-foreground "red" start end))
>
> That will turn stuff red whether you have an active region or not
> (probably not what you want), so you can check if there's an active
> region before doing anything:
>
>
> (defun headingone-2 (&optional start end)
> (interactive "r")
> (if (use-region-p)
> (facemenu-set-foreground "red" start end)
> (message "No active region")))
>
> Hope that helps,
>
> Eric
>
>
>
>
--
View this message in context: http://old.nabble.com/Bug%2C-or-newbie-error--tp31975451p32006326.html
Sent from the Emacs - Help mailing list archive at Nabble.com.
prev parent reply other threads:[~2011-07-06 16:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-01 17:23 Bug, or newbie error? weemattisnot
2011-07-02 0:36 ` Eric Abrahamsen
2011-07-06 16:24 ` weemattisnot [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=32006326.post@talk.nabble.com \
--to=mde@rhthm.com \
--cc=Help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.