From: martin rudalics <rudalics@gmx.at>
To: JD Smith <jdtsmith@gmail.com>, Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: Temporarily select-window, without updating mode-line face and cursor fill?
Date: Mon, 3 May 2021 09:50:49 +0200 [thread overview]
Message-ID: <16ddb4bc-2027-37db-326f-5b11b24a2132@gmx.at> (raw)
In-Reply-To: <1941D505-E603-41DD-904E-9BD7E4F28155@gmail.com>
>> Sure, but the event gives you the window, and through it the buffer of
>> that window, so I see no particular reason to make the window
>> selected.
>
>
> A given buffer may appear in multiple windows, which likely will have
> different “window-start” and “window-end”. So you have to find the
> line position in the buffer relevant for that particular window. Also
> tying me to this is the fact that the format-mode-line method
> obviously uses windows, not buffers.
I'm still missing you. Both `window-start' and `window-point' have a
WINDOW argument. So running `get-buffer-window-list' for the buffer you
want to manage and calling the former for each window you get that way
should all do what you want.
And please keep in mind: Calling `select-window' in an :eval form within
`mode-line-format' means asking for trouble. Calling `set-window-start'
and `set-window-point' anywhere within `mode-line-format' or a hook like
`window-scroll-functions' or `window-state-change-functions' means
asking for more trouble. All these serve to react to changes in the
window configuration but should never change that configuration itself.
martin
next prev parent reply other threads:[~2021-05-03 7:50 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 [this message]
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
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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