Hi Marcel, as Vitaly mentioned, palette was never explicitly documented to be a QPalette. We're currently discussing internally whether we still want to support binding a QPalette property to a palette QML property in Qt 6; and if yes, how to do it. We'll provide an update (+ justification) once we've come to a decision.
What should work (both in 5.x and 6.0) is to use https://doc.qt.io/qt-5/qguiapplication.html#setPalette Does that functionality cover your use case? Fabian -- Fabian Kosmale Software Engineer The Qt Company GmbH Erich-Thilo-Str. 10 D-12489 Berlin fabian.kosm...@qt.io +49 1638686070 http://qt.io Geschäftsführer: Mika Pälsi, Juha Varelius, Mika Harjuaho Sitz der Gesellschaft: Berlin, Registergericht: Amtsgericht Charlottenburg, HRB 144331 B -- ________________________________ Von: Development <development-boun...@qt-project.org> im Auftrag von Marcel Krems <marcel.k....@gmail.com> Gesendet: Freitag, 21. August 2020 22:24 An: development@qt-project.org <development@qt-project.org> Betreff: [Development] Qt 6: Assigning QPalette to ApplicationWindow.palette no longer supported? Hi, I recently implemented a theming system for my Qt Quick application. With Qt 6 I'm getting an error: "Unable to assign QPalette to QQuickPalette*" This was changed in the following commits: - https://codereview.qt-project.org/c/qt/qtquickcontrols2/+/270097 - https://codereview.qt-project.org/c/qt/qtdeclarative/+/270092 My Theme class looks like this: class Theme : public QObject { Q_OBJECT Q_PROPERTY(QPalette palette MEMBER _palette NOTIFY themeChanged) ... }; In my main.qml I'm setting the palette with: ApplicationWindow { palette: Theme.palette ... } My question is: Is my use case no longer supported or is this a regression? And if not, what is the proposed way to do it? Preferrably compatible with Qt 5.15 and Qt 6. Do I have to set every single colorrole of the palette separately? E.g. ApplicationWindow { palette { active { buttonText: Theme.buttonText button: Theme.button ... } disabled { buttonText: Theme.buttonTextDisabled button: Theme.buttonDisabld } } } Kind regards, Marcel _______________________________________________ Development mailing list Development@qt-project.org https://lists.qt-project.org/listinfo/development
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