On 16 February 2015 at 10:45, Tomas Mecir <mec...@gmail.com> wrote: > I've no idea what state it is in, but, what about KJS/KJSEmbed? > http://api.kde.org/frameworks-api/frameworks5-apidocs/kjs/html/index.html
This is a plain engine. No idea how updated compared to Qt's one. > http://api.kde.org/frameworks-api/frameworks5-apidocs/kjsembed/html/index.html This is a binding for QObjects only, right? Thanks. > > 2015-02-16 10:19 GMT+01:00 Jaroslaw Staniek <stan...@kde.org>: >> >> Hi, >> As you know a semi-official conclusion is that we can afford >> development of scripting for at most one scripting language, and for >> some reasons like popularity and security it's JavaScript. [0] >> >> I am forwarding the thread from the developm...@qt-project.org list. [1] >> >> (CC'd to calligra-devel since potentially, scripting is something >> useful for other Calligra apps in some distant future) >> >> It says that Qt Script is going to be deprecated in Qt 5.5, and most >> likely removed them from binary packages in Qt 5.6. By the time we're >> done with porting to Qt5 5.5 would be ready (May 2015). >> >> The concern is that Qt Script isn't wery actively developed and >> possibly not a safe technology for our scripting needs in Kexi. >> Its engine's code has not been actively updated, and JavaScript has >> since evolved as a language. Previously QtScript status was Done, what >> already meant a "no new features" policy. >> >> >> == What's a replacement? == >> >> As you know KROSS isn't in KF5/Qt5, so it's not an option to re-add >> it. Moreover the idea of KROSS was a general one-size-fits-all support >> for multiple programming languages, without find-grained support for >> specifics of given language. For example you'd like to use your >> language's list structure instead a wrapped QList (just an example). >> >> QtQml / QJSEngine is the only proposed replacement so far, by the Qt >> community. We have not yet analyzed if it's as complete tool set as >> QtScript for our needs. Feel free to look closer, it would be >> appreciated. >> >> == Problems? == >> >> Two particular things I raised questions for in case of the above >> proposal, are: >> 1. Support for encapsulating non-QObject objects (light, simple >> structures) for use in javascript code >> 2. Support for (visual) debugging environment for users >> >> The answer I got (in the same thread [1]): >> Re 1. There are some lighter solution, possible related to the new >> Qt's Gadget construct >> Re 2. Solution would come as a result of contributions that are in >> progress, obviously more projects need a debugger component. >> >> Extra bonus is that we can develop JSON/QML (not necessarily Qt Quick) >> based "micro-formats" that are can be easily accessible/blended into >> JavaScript scripting. Think of conditional formatting for data grids >> or Assistant GUI APIs for end users. >> >> == Your turn == >> >> Feel free to post your analysis or concerns regarding scripting here. >> >> We're about to enter the porting to Qt5/KF5 stage. Aspects of >> scripting are included in the plan [3]. The minimum is not to break >> compatibility with the simple scripting features in Kexi 2 Reports. >> We're not going to support compatibility with the experimental >> scripting module of Kexi 2 however (the script Kexi objects). They are >> experimental after all. We hope to reuse the Kate-based editor of >> course. >> >> == Good thing == >> >> I think it's good that given the plan is pragmatic (e.g. we do not >> half-develop features) we've not developed QtScript-based scripting so >> far, otherwise we're be rather sad because of lost resources. >> >> >> [0] https://community.kde.org/Kexi/Plugins/Scripts >> [1] https://www.mail-archive.com/development@qt-project.org/msg18866.html >> [2] http://doc.qt.io/qt-5/qjsengine.html >> [3] https://community.kde.org/Kexi/Porting_to_Qt%26KF_5 >> >> -- >> regards, Jaroslaw Staniek >> >> KDE: >> : A world-wide network of software engineers, artists, writers, >> translators >> : and facilitators committed to Free Software development - http://kde.org >> Calligra Suite: >> : A graphic art and office suite - http://calligra.org >> Kexi: >> : A visual database apps builder - http://calligra.org/kexi >> Qt Certified Specialist: >> : http://www.linkedin.com/in/jstaniek >> _______________________________________________ >> calligra-devel mailing list >> calligra-devel@kde.org >> https://mail.kde.org/mailman/listinfo/calligra-devel > > > > _______________________________________________ > calligra-devel mailing list > calligra-devel@kde.org > https://mail.kde.org/mailman/listinfo/calligra-devel > -- regards, Jaroslaw Staniek KDE: : A world-wide network of software engineers, artists, writers, translators : and facilitators committed to Free Software development - http://kde.org Calligra Suite: : A graphic art and office suite - http://calligra.org Kexi: : A visual database apps builder - http://calligra.org/kexi Qt Certified Specialist: : http://www.linkedin.com/in/jstaniek _______________________________________________ calligra-devel mailing list calligra-devel@kde.org https://mail.kde.org/mailman/listinfo/calligra-devel
