Whether or not CPD should be implementation in Qt, we can first add some QPA abstraction for Print Dialog like as File Dialog. If the implementation of XDG portal in desktop environment is supported CPD, and Qt supported org.freedesktop.portal.Print, then we can use CPD in Qt applications.
________________________________ From: Development <development-boun...@qt-project.org> on behalf of Ilya Fedin <fedin-ilja2...@ya.ru> Sent: Friday, September 16, 2022 14:56 To: development@qt-project.org <development@qt-project.org> Subject: Re: [Development] Adding CPD support to Qt print dialog On Fri, 16 Sep 2022 06:32:38 +0000 Shawn Rutledge <shawn.rutle...@qt.io> wrote: > Another aspect that I haven’t kept up with very well is how > containerized applications should do printing. We have “portal” > support for file dialogs, for example, but is CPDB intended to work > the same way regardless whether the app has such security > restrictions or not? For that matter, as a design principle, is > everyone still sure that the way for an application to reach outside > its container is D-Bus interfaces that are designed to be trusted? > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fblogs.gnome.org%2Fmclasen%2F2018%2F07%2F19%2Fflatpak-a-look-behind-the-portal%2F&data=05%7C01%7C%7Ca0b26386402a4cc52feb08da97b0e52d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637989083255289842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Bv3C78qNStklLcgcdZQ5UGMG3wJHRYKLxJ9xJ13cmmo%3D&reserved=0 There's Print portal for that purpose: https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fflatpak.github.io%2Fxdg-desktop-portal%2F%23gdbus-org.freedesktop.portal.Print&data=05%7C01%7C%7Ca0b26386402a4cc52feb08da97b0e52d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637989083255289842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=hcj6nnNUiO0Nlg17slHmpO4FcD0CWB%2FMUJR1%2BNlx5qk%3D&reserved=0 What good about it is it shows native file dialogs provided by the environment that comes as a portal backend daemon. Just like the FileDialog portal, it doesn't matter for the portal whether the application is actually sandboxed, so it could be used even in non-sandboxed environment. _______________________________________________ Development mailing list Development@qt-project.org https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.qt-project.org%2Flistinfo%2Fdevelopment&data=05%7C01%7C%7Ca0b26386402a4cc52feb08da97b0e52d%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637989083255289842%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=s3IG2h%2FEVUDio0QFANi3TDd1UGj5QJce3hXWRiWSVPI%3D&reserved=0
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