[arch-general] xrandr with XPS 13" (3840x2160) HiDPI and 30" (2560x1600) LowDPI

[Bruno Pagani]

Le 01/08/2018 à 12:00, Tyler a écrit :

>> Second, switching back and forth between dual monitors to one monitor lead to interesting behaviour. For example, I kept losing the scale setting on the lower DPI monitor.
> that's not exactly what is happening to me - because GTK2/3 works fine.
>
> Maybe there are some more Qt vars I can play with besides
>
> export QT_AUTO_SCREEN_SCALE_FACTOR=0
> #export QT_SCALE_FACTOR=2
> export QT_SCREEN_SCALE_FACTORS=2

Try setting the QT_SCREEN_SCALE_FACTORS per display like this for instance:
QT_SCREEN_SCALE_FACTORS=eDP-1=2;DP-1=1;HDMI-1=1;DP-2=1;HDMI-2=1;