Re: Return type of vfuncs

[Johannes Schmid <johannes schmid gmx de>]

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Hi Marko!

The problem is that I cannot use any hand-coded functions because the
.hg files are generated from an idl file using some evil perl script.

Regardings the GError* argument: I have used "errthrow" for the methods
but I could not find out how to do this for vfuncs.

Regards,
Johannes

Marko Anastasov wrote:
> On Thu, 2006-10-12 at 23:48 +0200, Johannes Schmid wrote:
>> Hi!
>>
>> While I tried to complete libanjutamm I ran into the following problem.
>> gmmproc generates this for a vfunc return a Glib::ListHandle:
>>
>> (...)
>> typedef Glib::ListHandle<Editor*> RType;
>> return RType();
>> }
>>
>> The bad thing is, that Glib::ListHandle does not have a constructor with
>> zero arguments so this will never work! The line to generate the vfunc
>> is the following:
>>
>> _WRAP_VFUNC(Glib::ListHandle<Editor*> get_editors ( GError** err),
>> "get_editors")
>>
>> How is this supposed to work or am I totally wrong?
> 
> I suppose you could _IGNORE(get_editors), declare a virtual function
> manually in the *.hg file and implement it in *.ccg where you would
> call ListHandle constructor with the GList as a parameter.
> 
> Btw why GErrors and not exceptions? (Sorry if this is a decision
> I missed earlier.)
> 
> Marko
> 
> 
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