GNU bug report logs - #74750
clone-frame and make-frame pixelwise issues

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From: Ship Mints <shipmints <at> gmail.com>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 74750 <at> debbugs.gnu.org
Subject: bug#74750: clone-frame and make-frame pixelwise issues
Date: Wed, 8 Jan 2025 12:50:53 -0500

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Hi, Martin,

Just got around to testing fullheight on GTK. Under emacs -Q, I do not see
a gap either on 29.4 or master from a week ago. This is on Debian 12 with
GTK 3.

-Stephane

On Mon, Dec 16, 2024 at 4:23 AM martin rudalics <rudalics <at> gmx.at> wrote:

>  > Now, about clone-frame. Are there any objections to the below
>  > implementation that uses text-pixels?
> ...
>  > When
>  > PIXELWISE is non-nil or if `frame-resize-pixelwise' is non-nil, and
> frame
>  > is not text-only, clone the originating frame's pixel size.
>
> I'd write that as
>
>    If PIXELWISE or `frame-resize-pixelwise' is non-nil and FRAME's terminal
>    is not text-only, use the pixel size of FRAME for the cloned frame.
>    Otherwise, use the number of columns and lines of FRAME for the cloned
>    frame.
>
> The behavior of the 'fullscreen' parameter might be queer if
> 'frame-resize-pixelwise' is nil and PIXELWISE is non-nil but that's to
> be expected.
>
>  > I may be able to test on GTK early this week, but I think you have GNU
>  > Linux/GTK on your end?
>
> I've tried here with a GTK-3 and a Motif build and have seen no
> problems.
>
> What I've seen is a slight misbehavior in setting up the 'fullscreen'
> parameter on the GTK build (so it's not related to your function).  With
>
> (setq frame-resize-pixelwise t)
> (setq frame-inhibit-implied-resize t)
>
> setting it to 'maximized' works as expected but setting it to
> 'fullheight' leaves a gap at the bottom.  Surprisingly, cloning a
> 'fullheight' frame with your function removes the gap.  The Motif frames
> do not have the problem so it might be tool bar related but that should
> affect the maximized frame as well.  I'll look into this later but would
> be interested if you see the same with a GTK build:
>
> To test:
>
> (setq frame-resize-pixelwise t)
> (setq frame-inhibit-implied-resize t)
> (set-frame-parameter nil 'fullscreen 'fullheight)
>
> martin
>

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