Thanks for your reply Giuseppe. I will extract the "xcb" from the output of qtdiag.
Cheers On Mon, 18 Jan 2021 at 16:18, Giuseppe D'Angelo via Interest < interest@qt-project.org> wrote: > Hi, > > Il 19/01/21 00:33, Nicholas Yue ha scritto: > > Is there some command line query I can make to determine the QPA display > > system that is being used? For example, running that command on e.g. an > > Ubuntu box may return something like *xcb* > > In general, qtdiag will tell you. However, this decision may be > different for each application, and it's not uncommon to find > applications that override the system default. > > You can enable sufficiently verbose logging for a given application to > find out what's going on, e.g. via > > QT_LOGGING_RULES="qt.qpa.*.debug=true" yourApp > > HTH, > -- > Giuseppe D'Angelo | giuseppe.dang...@kdab.com | Senior Software Engineer > KDAB (France) S.A.S., a KDAB Group company > Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com > KDAB - The Qt, C++ and OpenGL Experts > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > -- Nicholas Yue Graphics - Arnold, Alembic, RenderMan, OpenGL, HDF5 Custom Dev - C++ porting, OSX, Linux, Windows http://au.linkedin.com/in/nicholasyue https://vimeo.com/channels/naiadtools
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