Re: Child-frame can not move to proper position when run "env GDK_SCALE=2 emacs"

[martin rudalics]

> When I run "env GDK_SCALE=2 emacs", the below code can not work properly
>
> ```
> (let ((test (let ((after-make-frame-functions nil))
>                (make-frame
>                 `((parent-frame . ,(window-frame))
>                   (width . 50)
>                   (height . 1)))))
>        (pos (posn-x-y (posn-at-point (point) (selected-window)))))
>    (set-frame-position test (car pos) (cdr pos)))<I>
> ```
>
> When I eval the code at the <I>, the new created frame can not move to
> <I>, it move to the wrong position.

What happens when you divide the pos values by two?

We do not expose the GTK/GDK scale values in Lisp, maybe we should.
Robert any ideas?

martin