QObjects on interfaces

Aleix aleixpol at gmail.com
Fri Jul 25 11:19:52 UTC 2008


On 7/25/08, Manuel Breugelmans <mbr.nxi at gmail.com> wrote:
> On Friday 25 July 2008 00:19:01 Aleix wrote:
>  > Hi kdevelopers,
>  >
>  > I know it is a discussion that has raised sometimes on the IRC and on the
>  > hackaton but it is something important enough to be discussed here.
>  >
>  > As you might know, I'm working on the KDevPlatform Kross support and, for
>  > Kross it is necessary that an Object, to be recognized, inherits a QObject
>  > to retrieve the methods it has.
>  >
>  > When I have a non-QObject class, I have 2 alternatives if I want it to be
>  > called from a script:
>  >
>  > make it a QObject (as I did in the patch attatched)
>  > -or-
>  > make a wrapper as I did in kross/projectitemadaptors.h
>  >
>  > I think it is much better to get it from the QObject because we don't
>  > duplicate any code but I also understand that in cases where it is just
>  > heavy to use a QObject so...
>  >
>  > Note: the attatched patch is just an example of how things change when I
>  > make it QObject, I don't mean it is the only cases I need that.
>  >
>  > Any thoughts?
>  >
>  > Thank you,
>  > Aleix
>
>
> Imo the biggest problem with using QObject when it's not needed is multiple
>  inheritance. Inheriting 2 QObjects is a no-go, so in java terms this effectivly
>  changes interfaces into abstract classes.
???
2 QObjects? If it already inherits QObject you don't have to add it anymore.
>
>
>
>  Manuel
>
>
>
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