Hi all.

I've just installed Linux on a new Macbook ( new job, mac-only place
). I now have a HiDPI display, and I'm figuring out how to make things
work. Setting up scaling for E was easy - for the primary laptop
display anyway.

I've read at: https://developer.gnome.org/gtk3/stable/gtk-x11.html
that you can set the environment variable GDK_SCALE to get Gtk3 to
scale by an integer amount. I've set this under Settings Panel ->
Advanced -> Environment Variables ... and this works ... but again,
for the primary laptop display only.

When I boot with my massive LG wrap-around monitor ( also courtesy of
new job ), neither Enlightenment nor Gtk3 apps behave nicely on both
displays simultaneously. The LG monitor is *not* HiDPI. The page:
https://developer.gnome.org/gtk3/stable/gtk-x11.html *also* says:

"Normally, GDK will pick up a suitable scale factor for each monitor
from the display system".

Now this isn't happening when running under Enlightenment - hence the
need to set the GDK_SCALE env variable. Would it be possible to export
this info ( whatever it is that GDK uses to detect DPI ) to apps
somehow?

Dan

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