Re: [PATCH] Implement functions for measuring fonts and max chars per line

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sat, 17 Jan 2015 17:21:22 -0500
> From: "Perry E. Metzger" <perry@piermont.com>
> Cc: malsburg@posteo.de, emacs-devel@gnu.org
> 
> On Sat, 17 Jan 2015 22:41:55 +0200 Eli Zaretskii <eliz@gnu.org> wrote:
> > > Date: Sat, 17 Jan 2015 15:38:39 -0500
> > > From: "Perry E. Metzger" <perry@piermont.com>
> > > Cc: emacs-devel@gnu.org
> > > 
> > > This all brings to mind: is there a good way now to determine what
> > > the maximum number of lines in a frame would be in a given font on
> > > the user's display?
> > 
> > You mean window, not frame, right?
> 
> No, frame.

It's meaningless to ask this question about frames, since frames don't
display text, at least not in GUI sessions.

> I'd like to be able to set my default frame height to "full height"
> for the display (filling the display from top to bottom) -- right
> now I do guesswork to do this, and my .emacs breaks when I switch to
> a new display.

Then you need to maximize the frame vertically.

> > See window-screen-lines, which I think does what you want.
> 
> I believe that says how many lines are in an emacs window, not in the
> frame if it contains a single window

When the frame has a single window, this says exactly what the frame
can display.

> I'm perhaps not explaining this well.

Perhaps.