From: Eli Zaretskii <eliz@gnu.org>
To: JD Smith <jdtsmith@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Temporarily select-window, without updating mode-line face and cursor fill?
Date: Sun, 02 May 2021 09:55:37 +0300 [thread overview]
Message-ID: <83eeep8w0m.fsf@gnu.org> (raw)
In-Reply-To: <904A57C8-C268-412F-815F-782017F47D5D@gmail.com> (message from JD Smith on Sat, 1 May 2021 18:17:46 -0400)
> From: JD Smith <jdtsmith@gmail.com>
> Date: Sat, 1 May 2021 18:17:46 -0400
> Cc: emacs-devel@gnu.org
>
> (defun mlscroll-fast-line-number-at-pos (pos &optional win)
> "Line number at position.
> Compute line number at position POS. Uses fast mode-line
> formatting. If WIN is non-nil, find line number at position within
> that window."
> (string-to-number
> (if win
> (let ((old (window-point win)))
> (set-window-point win pos)
> (prog1
> (format-mode-line "%l" 0 win)
> (set-window-point win old)))
> (save-excursion
> (goto-char pos)
> (format-mode-line "%l" 0)))))
I don't recommend using format-mode-line for counting lines. Why not
use count-lines instead?
next prev parent reply other threads:[~2021-05-02 6:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-01 18:46 Temporarily select-window, without updating mode-line face and cursor fill? JD Smith
2021-05-01 19:31 ` Eli Zaretskii
2021-05-01 20:32 ` JD Smith
2021-05-02 6:49 ` Eli Zaretskii
2021-05-03 2:15 ` JD Smith
2021-05-03 7:50 ` martin rudalics
2021-05-03 16:16 ` JD Smith
2021-05-03 17:32 ` martin rudalics
2021-05-02 7:40 ` martin rudalics
2021-05-03 2:23 ` JD Smith
2021-05-01 22:17 ` JD Smith
2021-05-02 6:55 ` Eli Zaretskii [this message]
2021-05-03 2:08 ` JD Smith
2021-05-03 2:25 ` Stefan Monnier
2021-05-03 2:49 ` JD Smith
2021-05-04 19:28 ` JD Smith
2021-05-04 19:40 ` Stefan Monnier
2021-05-05 0:49 ` Stefan Kangas
2021-05-05 11:54 ` Eli Zaretskii
2021-05-05 19:32 ` Stefan Kangas
2021-05-05 19:47 ` Stefan Monnier
2021-05-06 0:16 ` JD Smith
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