On Apr 12, 2024, at 11:51, Ilya Fedin <fedin-ilja2...@ya.ru> wrote:
On Thu, 11 Apr 2024 10:53:07 +0000 Morten Sørvig <morten.sor...@qt.io> wrote: - Should Qt read Gdk settings? Should the XCB platform plugin read Gdk settings? The current approach is that we stick to X11-level settings, at least as far as DPI is concerned. I hope the answer is yes. If it would be no, it would just block this functionality without any good reason as there's no other API for this on X11 (at least I'm not aware of). It is the X11 platform plugin after all - which operates on the X11 level. Compare with something like the gtkplatform plugin [1], which would definitively respond to all GDK settings. Going to reading private/undocumented GDK settings does look like a significant change to me. I’m Ok with it if there is a consensus for going in that direction (the patch is at +0 from my side right now). I see the point about being pragmatic and behaving according to user preferences though. Which Qt arguably already does to some degree since the text preference is reflected in the Xft.dpi value. Should this be up to the application (somehow)? There is more than one way to handle DPI settings on X11, so we could enable apps to make choices which are different from the Qt default. - Morten [1] https://github.com/CrimsonAS/gtkplatform
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