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Re: Emacs's set-frame-size can not work well with gnome-shell?

From: martin rudalics
Subject: Re: Emacs's set-frame-size can not work well with gnome-shell?
Date: Thu, 30 Jan 2020 19:41:06 +0100

> mouse.el.diff seems to solve the undecorated frame resizing
> problem. No drift anymore, both with and without
> frame-resize-pixelwise. So brief testing showed that it's okay now.

OK.  With an undecorated top-level frame, I presume.

> mouse+xfns.diff, on the other hand, is more broken. First of all, it
> didn't help resizing child frames (not discernible
> difference).

With GTK you mean.

> Second, it's very broken with desktop scaling (my 200%
> makes dragging the frame behave very wildly). Without scaling it
> almost works as well as the other patch, but not quite. For instance,
> when mouse dragging by the bottom-right corner, at first the corner
> jumps a little away from the cursor in the top-left direction, and
> then follows it, more or less correctly, from that distance.

I didn't care about the scaling factors.  The most important aspect of
the second patch is that it should solve the X issue with slow child
frame resizing and moving (at least it does so here).  So you would have
to try it with a Lucid child frame, unscaled first.  I'll try to fix the
scaling issues later.


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