State of the Qt6 port

[Dmitry Kazakov]

Just a note for future us:

Qt6's minimum requirement on Windows is "Windows 10" so we shouldn't forget
to:

1) Add a note about that into the release notes
2) Change the information on the Website


On Thu, Feb 6, 2025 at 4:34 PM Dmitry Kazakov <dimula73 at gmail.com> wrote:

> Another small update:
>
> 1) KF5KDcraw is ported (Krita + deps project)
> 2) KSeExpr is ported (Krtia + deps project)
>
> On Tue, Feb 4, 2025 at 3:05 PM Halla Rempt <halla at valdyas.org> wrote:
>
>> Update: since today, Krita starts and you can even open an image!
>>
>> On vrijdag 31 januari 2025 15:56:22 Midden-Europese standaardtijd Halla
>> Rempt wrote:
>> > Once the last merge request is merged, Krita builds with Qt5 and Qt6.
>> There should be no functional difference for the Qt5 builds. All tests
>> build as well, except for those that need the missing dependencies. Krita 6
>> doesn't start yet...
>> >
>> > These are the relevant merge requests
>> >
>> > https://invent.kde.org/graphics/krita/-/merge_requests/2225
>> > https://invent.kde.org/graphics/krita/-/merge_requests/2243
>> > https://invent.kde.org/graphics/krita/-/merge_requests/2253
>> > https://invent.kde.org/graphics/krita/-/merge_requests/2291
>> > https://invent.kde.org/graphics/krita/-/merge_requests/2305
>> > https://invent.kde.org/graphics/krita/-/merge_requests/2306
>> >
>> > Not everything is done. Four dependencies are disregarded atm:
>> >
>> >  * KSeExpr (required version >= 6.0.0.0), <
>> https://invent.kde.org/graphics/kseexpr>
>> >    Required by the SeExpr generator layer
>> >  * PyQt6 (required version >= 6.7.0), Python bindings for Qt6., <
>> https://www.riverbankcomputing.com/software/pyqt/download>
>> >    Required by the Krita PyQt plugin
>> >  * Poppler, A PDF rendering library, <https://poppler.freedesktop.org/>
>> >    Required by the Krita PDF filter.
>> >  * KF5KDcraw (required version >= 5.0.0), A thread-safe wrapper around
>> libraw, <https://api.kde.org/libkdcraw/html/index.html>
>> >    Needed for reading RAW files
>> >
>> > I have only built on Linux, against distro packages for Qt6 and
>> libraries that we use that use Qt6. To enable the Qt6 build, explicitly set
>> BUILD_WITH_QT6=ON when calling cmake.
>> >
>> > So, MacOS, Windows and Android are untested, except for making sure the
>> Qt6 build builds.
>> >
>> > The dependencies project has also not been ported to Qt6.
>> >
>> > I have done nothing to support Wayland, so there is still X11 specific
>> code.
>> >
>> > There are ***MANY*** new warnings, mostly deprecations.
>> >
>> > We still use the Qt5 compatibility library, mostly for QRegExp. I
>> didn't want to touch QRegExp and port it to QRegularExpression, though I
>> have done that in some simple cases.
>> >
>> > There are 136 QT_VERSION_CHECKS in the codebase, but all version checks
>> for different versions of Qt5 are gone :-)
>> >
>> >
>> >
>> >
>>
>>
>>
>>
>>
>
> --
> Dmitry Kazakov
>


-- 
Dmitry Kazakov
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