Tux Machines

KDE Frameworks 6 QML porting

Posted by Roy Schestowitz on Aug 13, 2022

Android Leftovers

This week in KDE: Major accessibility improvements

It’s been three months since my last post about the ongoing transition to KDE Frameworks 6, so another update is long overdue given how much has happened since.

QML Porting

While the main attention had been on porting build system and C++ code so far, meanwhile QML code has also moved into focus. QML code is generally harder to port, due to the lack of compile-time checking and the lack of conditional code based on the Qt version.

Only seeing mistakes at runtime means for every single change we need to ensure to manually exercise the affected code paths. That is much easier to do if everything else is fully working, ie. in the current Qt 5 codebase.

That however is only an option for changes that result in code that works with both Qt 5 and Qt 6. Changes that only work with Qt 6 can’t be done at all yet due to the lack of version-based conditional code (such as the C++ prepocessor gives us).

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