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From: Eli Zaretskii <eliz@gnu.org>
To: Zachary Kanfer <zkanfer@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Is there a built-in way to tell how many lines are in a window in a given face?
Date: Sat, 15 Apr 2017 10:44:58 +0300	[thread overview]
Message-ID: <838tn2glmt.fsf@gnu.org> (raw)
In-Reply-To: <CAFXT+RPOzBhtC3-GPuNEHa_wqfwsjOd+NqPK390axLHJOLFuaQ@mail.gmail.com> (message from Zachary Kanfer on Sat, 15 Apr 2017 01:14:43 -0400)

> From: Zachary Kanfer <zkanfer@gmail.com>
> Date: Sat, 15 Apr 2017 01:14:43 -0400
> 
> (defun zck--window-max-lines-per-window (face &optional window)
> "Calculate how many lines of text with face FACE can fit in WINDOW."
> (truncate (window-body-height window t)
> (window-font-height window face)))

This doesn't take line-spacing into account, I think.

What are the use cases where you need these metrics of the window?
I'm not sure I understand the need for these facilities; e.g., why not
do all your calculations in pixels?  Or maybe fit-window-to-buffer
will do what you want?



  reply	other threads:[~2017-04-15  7:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-15  5:14 Is there a built-in way to tell how many lines are in a window in a given face? Zachary Kanfer
2017-04-15  7:44 ` Eli Zaretskii [this message]
2017-04-15 20:27   ` Zachary Kanfer
2017-04-17  9:05     ` Eli Zaretskii

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