On Mon, 31 Oct 2022 at 10:48, Ulf Hermann via Interest < interest@qt-project.org> wrote:
> > Is there a way to not embed QML files into the Qt resource system when > > using qt_add_qml_module() ? > > We can only pre-compile files embedded into the resource file with > qmlcachegen. That's why we strongly recommend using the resource file > system. You can, of course still manually write your qmldir files and > handle the build process manually like in Qt5. It's definitely not > recommended, though. > This would only be used in debug/development mode, with qml compilation/cachegen disabled. > > Or at least, not generate the "prefer :/..." line in the qmldir file ? > > The "prefer" line is vital. If you drop it, the module still looks like > it would use the pre-compiled code in the qrc system with all the nice > optimizations you get from compiling functions and bindings to C++. Yet, > the QML engine will actually load the files from the host file system > and ignore all of the goodies. Don't do this. > I do not want the goodies in this case. When building in release mode, of course I still want the goodies. I just want to disable them in debug mode. > > > Having the prefer line makes it impossible to load QML files from disk, > > preventing any kind of live reloading of QML. > > If you're using Qt Creator's "QML preview" feature, it should try to > match your qrc paths to the source paths in your project. As the engine > then runs in debug mode, it can live-replace the contents of the QML > files. There is also a command line "qmlpreview" tool. > > If the QML preview feature somehow got broken in Qt6, please file a bug > report. It is mostly used by Qt Design Studio, and Qt Design Studio > likes to use "qmlproject" projects without cmake. > > I cannot use qmlpreview, as I usually need to have the full application running. On Mon, 31 Oct 2022 at 10:48, Ulf Hermann via Interest < interest@qt-project.org> wrote: > > Is there a way to not embed QML files into the Qt resource system when > > using qt_add_qml_module() ? > > We can only pre-compile files embedded into the resource file with > qmlcachegen. That's why we strongly recommend using the resource file > system. You can, of course still manually write your qmldir files and > handle the build process manually like in Qt5. It's definitely not > recommended, though. > > > Or at least, not generate the "prefer :/..." line in the qmldir file ? > > The "prefer" line is vital. If you drop it, the module still looks like > it would use the pre-compiled code in the qrc system with all the nice > optimizations you get from compiling functions and bindings to C++. Yet, > the QML engine will actually load the files from the host file system > and ignore all of the goodies. Don't do this. > > > Having the prefer line makes it impossible to load QML files from disk, > > preventing any kind of live reloading of QML. > > If you're using Qt Creator's "QML preview" feature, it should try to > match your qrc paths to the source paths in your project. As the engine > then runs in debug mode, it can live-replace the contents of the QML > files. There is also a command line "qmlpreview" tool. > > If the QML preview feature somehow got broken in Qt6, please file a bug > report. It is mostly used by Qt Design Studio, and Qt Design Studio > likes to use "qmlproject" projects without cmake. > > best regards, > Ulf > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest >
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