GNU bug report logs - #21415
25.0.50; Emacs Trunk -- pixelwise width/height for x-create-frame

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From: martin rudalics <rudalics <at> gmx.at>
To: Anders Lindgren <andlind <at> gmail.com>
Cc: Keith David Bershatsky <esq <at> lawlist.com>, 21415 <at> debbugs.gnu.org
Subject: bug#21415: 25.0.50; Emacs Trunk -- pixelwise width/height for x-create-frame
Date: Thu, 15 Oct 2015 12:00:35 +0200

> I've got a quick question. I noticed that the OS X port behaves a bit
> inconsistent when it comes to restricting a frame to the screen --
> sometimes it is restricted in height, sometimes it's not. I would like to
> make this more consistent, but I'm not sure in which direction I should go.
>
> How does the other terms (especially X11) behave? Does it restrict the
> frame to be within the screen? If so, does it allow for the frame border to
> be placed outside the screen?

I suppose nobody can answer this question satisfactorily.  IMO good
"systems" allow the frame to be placed anywhere.  And I usually have
troubles only with window managers constraining placement.

> What happens if the frame is first resized and then moved. Should the
> resize truncate the height, even though the move would place the entire
> frame inside the screen borders? Can a move and a resize be made atomically
> (pixelwise)?

For Emacs moving means to pass on coordinates to whoever is responsible.
And Emacs itself never constrains the frame size (it must not get too
small, though).

> Personally, I'd prefer it there is no truncation. However, if it is, I
> really would like to be able to allow the frame border to stretch outside
> the screen, in order to really maximize the screen real estate.

That's what most systems do AFAICT.  So if you can do that please go on.

martin

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