Well, I also hope for some imrovement on this subject as I’ve been there too with 5.3 I think…
> On 21 Sep 2015, at 18:36, Adam Light <acli...@gmail.com> wrote: > > > > On Fri, Sep 18, 2015 at 1:38 AM, Pavlo Dyachenko <upa...@gmail.com > <mailto:upa...@gmail.com>> wrote: > Hi QT team, I posted a question on the forum about high DPI support but then > was recommended this mailing list instead: > According to documentation here http://doc.qt.io/qt-5/highdpi.html > <http://doc.qt.io/qt-5/highdpi.html> QT 5.4+ introduces high DPI support. > However, either I’m missing something fundamental or the current support is > still in very early stages. I’m writing a brand new application so I have a > chance to do it right from the ground up. I understand that I would have to > use layouts instead of fixed positioning etc, but there always going to be > cases in which I would have to specify, for example a minimum/maximum size of > a control. I can specify them in the editor, but these are device pixels. So > if I change my Windows settings to use 150% DPI then min/max values in the > editor would be too small. Of course I can obtain that ratio and adjust all > the required values in code, but then what kind of high DPI support does QT > give for me if I have to do everything by hand? I mean how is it different to > pre QT 5.4? > > Then an interesting one is QT_DEVICE_PIXEL_RATIO environment variable. It > does exactly what I need, it multiplies all pixels set in editor by a factor. > But why is it an environment variable and not a per application setting? Why > does it only support integer values of 2, 3 etc, since we know that Windows > has settings like 125, 150% etc. and why couldn’t it automatically read the > Windows setting and set itself to that value? > > > Though I have not yet tried it, my understanding is that in Qt 5.6, the > support for HiDPI has been improved. See > https://doc-snapshots.qt.io/qt5-5.6/highdpi.html > <https://doc-snapshots.qt.io/qt5-5.6/highdpi.html> for the most recent > documentation. > > Adam > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest
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