From: Sebastien Vauban <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
To: Eli Zaretskii <eliz-mXXj517/zsQ@public.gmane.org>
Cc: 15336-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org
Subject: bug#15336: Bad computation of window height
Date: Fri, 24 Oct 2014 16:35:36 +0200 [thread overview]
Message-ID: <86mw8ltu13.fsf@example.com> (raw)
In-Reply-To: <83y4s55ykr.fsf-mXXj517/zsQ@public.gmane.org> (Eli Zaretskii's message of "Fri, 24 Oct 2014 17:31:16 +0300")
Eli Zaretskii wrote:>> From: Sebastien Vauban <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
>> Date: Fri, 24 Oct 2014 16:16:27 +0200
>>
>> One side note though: I have 2 screens, and they are set up one above
>> the other (physically and logically).
>>
>> |----------------------|
>> | screen #2 (external) | <-- 1680 x 1050
>> |----------------------|
>> | screen #1 (laptop) | <-- 1920 x 1080 (Full HD)
>> |----------------------|
>>
>> That may impact what I see on Emacs 25.0.50.1.
>>
>> With the following code:
>>
>> --8<---------------cut here---------------start------------->8---
>> (when (display-graphic-p)
>>
>> ;; put Emacs exactly where you want it, every time it starts up
>> (setq initial-frame-alist '((top . 0) (left . 0)))
>>
>> ;; auto-detect the screen dimensions and compute the height of Emacs
>> (add-to-list 'default-frame-alist
>> (cons 'height
>> (/ (- (x-display-pixel-height) 106)
>> (frame-char-height))))
>>
>> ;; maximize Emacs by default
>> (modify-all-frames-parameters '((fullscreen . maximized))))
>> --8<---------------cut here---------------end--------------->8---
>>
>> I'm expecting to have Emacs maximized at startup, on the main screen,
>> that is occupying the full space of screen #1: 1920 x 1080.
>>
>> What I get, instead, is an Emacs frame of (1680 + 1920) x 1080... whose
>> top-right corner is located at the top-right corner of screen #1 (hence,
>> I don't even see its full height, without minimizing and re-maximizing
>> it first).
>
> I'm guessing that the coordinates (0, 0) are on screen #1, in which
> case you are getting what you asked for: a frame whose top-left corner
> is on screen #1.
>
> When using several monitors connected to the same machine, you
> shouldn't assume that the top-left corner of the virtual screen has
> the coordinates (0, 0).
Then, how do I ask for a maximized Emacs on screen #1? I don't need it
to be on screen #2. I'm perfectly happy to get Emacs occupying the full
space of screen #1, and nothing more.
Currently, it's some sort of mix: for placing the Emacs frame, it only
counts on screen #1, while for its height it counts on screens #1 and
#2...
> What does the function display-monitor-attributes-list return?
--8<---------------cut here---------------start------------->8---
(((geometry 0 0 1920 1080) (workarea 0 0 1920 1032) (mm-size 280 160) (name . "\\\\.\\DISPLAY1") (frames)) ((geometry 0 -1050 1680 1050) (workarea 0 -1050 1680 1002) (mm-size 430 270) (name . "\\\\.\\DISPLAY2") (frames #<frame Windows-Nt Emacs 25.0.50.1 (r118168) of 2014-10-20 - PID: 7896 0174e5a8>)))
--8<---------------cut here---------------end--------------->8---
next prev parent reply other threads:[~2014-10-24 14:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-11 11:48 bug#15336: 24.3.50; Bad computation of window height Sebastien Vauban
[not found] ` <86bo3za8af.fsf-oHC15RC7JGTNLxjTenLetw@public.gmane.org>
2014-10-24 14:16 ` bug#15336: " Sebastien Vauban
2014-10-24 14:31 ` Eli Zaretskii
[not found] ` <83y4s55ykr.fsf-mXXj517/zsQ@public.gmane.org>
2014-10-24 14:35 ` Sebastien Vauban [this message]
2014-10-24 15:07 ` Eli Zaretskii
2014-10-24 17:52 ` martin rudalics
2019-09-26 12:44 ` Stefan Kangas
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