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

On Mon, Oct 3, 2016 at 11:33 AM, Viktor Trojanovic <viktor@troja.ch> wrote:
> On Mon, Oct 3, 2016 at 11:01 AM, Dave Page <dpage@pgadmin.org> wrote:
>>
>> Hi
>>
>> On Sun, Oct 2, 2016 at 11:43 PM,  <viktor@troja.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.

:-(. OK, thanks - I've added this thread to
https://redmine.postgresql.org/issues/1564 where we're tracking issues
related to this.


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Dave Page
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