Re: [PATCH] Fix frameset-restore in the presence of scaling

[martin rudalics]

> Running emacs-26 with GDK_SCALING=2, frameset-restore will position
> 2nd and subsequent frames incorrectly if they are in the right half of
> the screen. Turns out that we're querying GTK for the dimensions of
> the display in order to ensure that frames remain on-screen, and those
> dimensions need scaling. Patch attached, tested on GTK 3.18, I'd
> appreciate if someone with a HiDPI screen and GTK >= 3.22 could
> confirm whether it works for them.

When 'left' and top' are negative, they specify a frame position
relative to the right or bottom edge of the display.  Are such
specifications affected/corrected by your patch with scaling on?

martin