Re: pgAdmin 4 v1.0: Problems with high dpi scaling on Win10

On Mon, Oct 3, 2016 at 11:01 AM, Dave Page <dpage(at)pgadmin(dot)org> wrote:

> Hi
>
> On Sun, Oct 2, 2016 at 11:43 PM, <viktor(at)troja(dot)ch> wrote:
> > Hi list, hi Dave,
> >
> > On Windows 10 using a high res screen with high dpi scaling turned on and
> > set to 200%, the text in the pgAdmin 4 (standalone) interface becomes
> almost
> > illegible.
> >
> > The issue seems to be that pgAdmin claims to Windows that is high dpi
> aware
> > when it actually isn’t. See http://doc.qt.io/qt-5/highdpi.html for more
> info
> > about how QT deals with high dpi issues.
>
> I think it's more subtle than that. Most of the dev team run Macs, and
> high dpi support seems to work fine for us. We have had some issues
> reported - but on my retina MBP for example, pgAdmin displays nicely
> at all scaling levels.
>
> > The short term solution would be to make the app dpi unaware, thus
> letting
> > Windows take care of the scaling.
>
> Have you tried setting QT_AUTO_SCREEN_SCALE_FACTOR? Does it make a
> difference on Windows?
>
>
I can confirm that setting the environment variable
QT_AUTO_SCREEN_SCALE_FACTOR=1, or 0 for that matter, makes no difference.

I even tried setting the following parameters in your qt.conf:

[Platforms]
WindowsArguments = dpiawareness=0 (and 1, and 2)

without any effect.