> On Nov. 16, 2015, 2:08 nachm., Milian Wolff wrote:
> > src/klocalizedcontext.cpp, line 53
> > <https://git.reviewboard.kde.org/r/126087/diff/1/?file=417069#file417069line53>
> >
> >     isNull or isEmpty? Don't we usually want to check against isEmpty and 
> > never against isNull? Isn't the latter even quasi-deprecated as it's 
> > internal state is somewhat undocumented and one must not depend on it? I 
> > think I remember something like that from the qt devel mailing list... 
> > Should ask Thiago again maybe?
> 
> Aleix Pol Gonzalez wrote:
>     QString::isNull is correct. Qml will give us a null string if the 
> argument isn't there, AFAIK.

>From what I can see isNull and isEmpty are the same as far as QML is concerned.

Q_INVOKABLE void foo(const QString &bar = QString())

foo() - null and empty
foo(undefined) - null and empty
foo(null) - null and empty
foo("") - null and empty
foo(" ") - not null and not empty

Same when I don't specify a default argument in which case the first call 
failes on insufficient arguments. On the C++ side it does distinguish between 
QString() and QString("")


- Kai Uwe


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On Nov. 16, 2015, 2:55 nachm., Aleix Pol Gonzalez wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/126087/
> -----------------------------------------------------------
> 
> (Updated Nov. 16, 2015, 2:55 nachm.)
> 
> 
> Review request for KDE Frameworks, Chusslove Illich and Marco Martin.
> 
> 
> Repository: ki18n
> 
> 
> Description
> -------
> 
> The only way to use `i18n*()` so far in QML is by depending on all 
> KDeclarative. This patch moves the necessary bits there so it can be adopted 
> by an application or framework just by offering the needed bits within KI18n.
> This is done by offering an object with methods that map to the `i18n*()` C++ 
> counter-parts.
> 
> 
> Diffs
> -----
> 
>   src/klocalizedcontext.cpp PRE-CREATION 
>   src/CMakeLists.txt 818595e 
>   src/klocalizedcontext.h PRE-CREATION 
> 
> Diff: https://git.reviewboard.kde.org/r/126087/diff/
> 
> 
> Testing
> -------
> 
> Ported KDeclarative, everything still seems to work.
> 
> 
> Thanks,
> 
> Aleix Pol Gonzalez
> 
>

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