From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: What variable says that the buffer is in narrowed state?
Date: Sun, 14 Oct 2007 15:57:02 -0400 [thread overview]
Message-ID: <jwvhckth3p3.fsf-monnier+gnu.emacs.help@gnu.org> (raw)
In-Reply-To: 87tzov5drs.fsf@gmx.de
>> I expected to find some `buffer-narrowed-p' variable. Is there
>> something like this? The mode-line is able to display this bit
>> of information, so I guess it might somehow be accessible.
> If there were such a thing, it should probably be a function rather
> than a variable. Doesn't seem there is one, so I wrote it for you:
> (defun buffer-narrowed-p ()
> "Return t if buffer is narrowed, nil otherwise."
> (or (> (point-min) 1)
> (< (point-max) (buffer-size))))
Sometimes you can't avoid assuming that buffer positions start at 1, but
that's rare. Even in the above case, for example, you can simply check:
(defun buffer-narrowed-p ()
(> (buffer-size) (- (point-max) (point-min))))
-- Stefan
next prev parent reply other threads:[~2007-10-14 19:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.2016.1192278715.18990.help-gnu-emacs@gnu.org>
2007-10-13 13:45 ` What variable says that the buffer is in narrowed state? Sven Joachim
2007-10-13 15:57 ` Bastien
2007-10-14 19:57 ` Stefan Monnier [this message]
2007-10-15 17:51 ` Sven Joachim
2007-10-13 13:30 Bastien
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