GNU bug report logs - #35375
26.2; info:elisp#Geometry (x-parse-geometry geom)

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Van L <van <at> scratch.space>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.2; info:elisp#Geometry (x-parse-geometry geom)
Date: Mon, 22 Apr 2019 20:57:31 +1000

Hello,

In the example given,

          (x-parse-geometry "35x70+0-0")
               ⇒ ((height . 70) (width . 35)
                   (top - 0) (left . 0))
--------------------^
should that be (top . (- 0)) from x-parse-geometry?

--- background context ---

I landed on the above documentation while trying to figure out the following.

I am unable to make-frame have frame height 36 with the following setting in ~/.emacs

(add-to-list 'default-frame-alist '(height . 36))

and in ~/.Xresources, I have

Emacs*geometry: 80x36

Calling `emacs -Q` I have initial frame height of 4, the next make-frame has height 36, the rest of the next make-frame events have height 4.

This is for build detail as follows

GNU Emacs 26.2 (build 1, x86_64-unknown-netbsd8.0, GTK+ Version 3.24.1)
 of 2019-04-15

Message #8 received at 35375 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Van L <van <at> scratch.space>
Cc: 35375 <at> debbugs.gnu.org
Subject: Re: bug#35375: 26.2; info:elisp#Geometry (x-parse-geometry geom)
Date: Mon, 22 Apr 2019 14:15:36 +0200

On Apr 22 2019, Van L <van <at> scratch.space> wrote:

> Hello,
>
> In the example given,
>
>           (x-parse-geometry "35x70+0-0")
>                ⇒ ((height . 70) (width . 35)
>                    (top - 0) (left . 0))
> --------------------^
> should that be (top . (- 0)) from x-parse-geometry?

That's the same, but the lisp printer would never use the dotted form
for a proper list.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

Message #15 received at 35375-done <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Van L <van <at> scratch.space>
Cc: 35375-done <at> debbugs.gnu.org
Subject: Re: bug#35375: 26.2; info:elisp#Geometry (x-parse-geometry geom)
Date: Tue, 28 May 2019 23:59:01 +0300

tags 35375 notabug
thanks

> In the example given,
>
>           (x-parse-geometry "35x70+0-0")
>                ⇒ ((height . 70) (width . 35)
>                    (top - 0) (left . 0))
> --------------------^
> should that be (top . (- 0)) from x-parse-geometry?
>
> --- background context ---
>
> I landed on the above documentation while trying to figure out the following.
>
> I am unable to make-frame have frame height 36 with the following setting in ~/.emacs
>
> (add-to-list 'default-frame-alist '(height . 36))
>
> and in ~/.Xresources, I have
>
> Emacs*geometry: 80x36
>
> Calling `emacs -Q` I have initial frame height of 4, the next
> make-frame has height 36, the rest of the next make-frame events have
> height 4.

This is because x-parse-geometry returns height/width in pixels,
but make-frame expects height/width in characters.  Please use
`text-pixels' for pixels.  See more at (info "(elisp) Size Parameters")

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