[Development] Updated high-DPI support for Qt 5.14

[Edward Welbourne]

>>>> If possible, I’d like us to move away from relying on setting
>>>> environment
>>>> variables, and/or switch to specifying per-screen DPI instead of a scale
>>>> factor.

On Thursday, 26 September 2019 04:48:26 CEST Thiago Macieira wrote:
>>> Sure, but where, on X11?

On Thursday, 26 September 2019 00:08:34 PDT Allan Sandfeld Jensen wrote:
>> xrandr?

Thiago Macieira (26 September 2019 16:47)
> That's not per screen. So my question stands.

For give a simple non-graphics-expert's probably dumb question:
IIUC, xrandr is per-display (as in X DISPLAY values).
How is that distinct from per-screen ?

	Eddy.