[pygtk] New constructor style in PyGTK 2.8

Jacob Kroon jacob.kroon at gmail.com
Thu Mar 23 23:07:01 WST 2006


Gustavo J. A. M. Carneiro wrote:
> On Qui, 2006-03-23 at 15:30 +0100, Jacob Kroon wrote:
>   
>> Hi,
>>
>> I'm converting my defs file to use the new constructor style in pygtk 
>> 2.8, I have read
>>
>> http://live.gnome.org/PyGTK/WhatsNew28#update-constructors
>>
>> and have run into some questons:
>>
>> 1. Is ok to leave out the "new-constructor foo_bar_type" fields in the 
>> override file ? It seems to work fine anyway.
>>     
>
>   If you omit "new-constructor foo_bar_type" you'll get into trouble
> when trying to do use constructor properties, like gobject.new(FooBar,
> prop_foo=123).  You really shouldn't omit it.
>
>   
>> 2. In the defs file I've simply put:
>> ...
>>  (properties
>>   ("arg1" "arg1")
>>   ("arg2" "arg2")
>>  )
>>
>>    and this also seems to work. Are there any special reasons for using 
>> (argname="xxx") like the website explains ?
>>     
>
>   I'm not sure what ("arg1" "arg1") does, probably the second "arg1" is
> simply ignored.  In any case, (argname="xxx") is optional.  We needed
> that in pygtk itself in order to preserve API compatibility.  If you
> don't need to preserve API, or if the property name is the same as the
> parameter name, you can leave it out.
>
>   
Ok I think I understand then, thanks.

--Jacob



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