From: Drew Adams <drew.adams@oracle.com>
To: "Perry E. Metzger" <perry@piermont.com>, Eli Zaretskii <eliz@gnu.org>
Cc: malsburg@posteo.de, emacs-devel@gnu.org
Subject: RE: [PATCH] Implement functions for measuring fonts and max chars per line
Date: Sun, 18 Jan 2015 16:38:01 -0800 (PST) [thread overview]
Message-ID: <c6391595-4b4e-40ae-96b8-7fac8b8bbb0e@default> (raw)
In-Reply-To: <20150118172633.61609906@jabberwock.cb.piermont.com>
> What I want is to know (by calculation) what the maximum height, in
> lines, happens to be so I can shove that in for 'height in
> default-frame-alist. (There are other uses for such information of
> course, see above.)
The max height in pixels is `x-display-pixel-height'.
Divide that by the value returned by `frame-char-height' for your
frame, or by whatever character height you intend to use, if
you know it, to find the number of lines possible for the display.
But that does not count the space needed for these things:
1. menu-bar - you can approximate this by
`(frame-parameter nil 'menu-bar-lines)'.
2. tool-bar - similar: `tool-bar-lines'.
3. height of the window-mgr title bar and bottom border.
4. any other window-mgr stuff that is outside Emacs's
visibility & control.
So proceeding this way you need to do a little estimating,
especially wrt window-mgr stuff.
next prev parent reply other threads:[~2015-01-19 0:38 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-22 14:39 [PATCH] Implement functions for measuring fonts and max chars per line Titus von der Malsburg
2014-12-22 22:25 ` Titus von der Malsburg
2014-12-23 12:52 ` Titus von der Malsburg
2015-01-17 18:13 ` Titus von der Malsburg
2015-01-17 18:43 ` Eli Zaretskii
2015-01-17 20:38 ` Perry E. Metzger
2015-01-17 20:41 ` Eli Zaretskii
2015-01-17 22:21 ` Perry E. Metzger
2015-01-17 22:24 ` David Kastrup
2015-01-18 0:08 ` Perry E. Metzger
2015-01-18 0:11 ` Perry E. Metzger
2015-01-18 1:01 ` Michael Heerdegen
2015-01-18 3:42 ` Eli Zaretskii
2015-01-18 4:08 ` Perry E. Metzger
2015-01-18 15:37 ` Eli Zaretskii
2015-01-18 22:26 ` Perry E. Metzger
2015-01-19 0:38 ` Drew Adams [this message]
2015-01-19 2:56 ` Perry E. Metzger
2015-01-19 3:41 ` Eli Zaretskii
2015-01-19 13:31 ` Perry E. Metzger
2015-01-19 16:21 ` Eli Zaretskii
2015-01-19 21:49 ` Perry E. Metzger
2015-01-19 2:01 ` Michael Heerdegen
2015-01-19 3:37 ` Eli Zaretskii
2015-03-21 10:33 ` Eli Zaretskii
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