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

[martin rudalics]

>> This should allow to (1) drag the frame around with mouse-1 down on the
>> mode line and (2) draw a 10 pixel wide red internal border (color
>> visible only after a redisplay, maybe) I can use here to resize the
>> frame with mouse-1 (Emacs resizing natively).  Both work quite snappy
>> here with an optimized build running under Xfce on an old-stable Debian.
>
> Yup, that's working fine on my GNOME desktop. No obvious slowdown, at least.

I'm confused now.  Does (2) really work in the sense that you can resize
the frame by dragging its internal border?

martin