bug#44961: 28.0.50; [feature/pgtk] frame-position returns incorrect information

[martin rudalics]

> Emacs' native tooltips
> - initial positioning works.
> - repositioning works.
>
> speedbar
> - initial positioning doesn't work. always center on monitor.
> - repositioning doesn't work.
>
> ediff-wind.el
> - initial positioning doesn't work. always center on monitor.
> - repositioning doesn't work.

Thanks.  So if we can position and reposition our tooltips, I don't
understand why we can't do the same with the other two (and obviously
normal frames either).  Is there some special magic involved with
tooltips?  Is it because they are so small, have no decorations?

martin