Re: [gtk-list] Re: ItemFactory anyone?

[Todd Dukes <tdukes ibmoto com>]

Jan Kratochvil wrote:
> 
> > Jan Kratochvil wrote:
> > > > If you already know what the menu items are going to be and they won't
> > > > change at runtime you can just use a case statement in your callback.
> > >
> > >   Oh my god, why just don't cast the needed pointer (it WILL be probably pointer),
> > > to "guint"? Like in the following example:
> >
> > Oh my god, why don't you just go break your code on the Alpha then?  :)
> > You'll get a friendly little "segmentation fault" when you assign a
> > 64-bit
> > pointer to a 32-bit guint.
> >
> > Shaw Terwilliger
> 
>   At first I should say that I'm in no way an Alpha expert or multi-platform geek
> (only x86 unfortunately, only some shared access to Linux/Sparc). But:
> 
>   a) I expect that guint/gint maps to "unsigned int"/"int" on all platforms.
>   b) I somewhere heard that GCC relies on the fact that (void *) fits in an "int"
>      datatype anyway.
>   c) Alpha really should have int/gint 64-bits wide. It's pure 64-bit CPU/system
>      so why it would mess with anything smaller?
> 
>   But I agree that it maybe isn't the strict all-world portable solution. But
> on all normally used machines does this cast causes any problems? I don't know
> about any platfowm but read my first sentence. :-)
> 
>                                         Lace
> 
> --
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Why not have the callback data, which is common to all entries, point to
an array of pointers. Use the integer to index into the array of
pointers?

Todd.
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