On Tue, Jul 31, 2012 at 9:44 AM, Eunmi Lee <myy...@gmail.com> wrote:
> Vincent and Gustavo, thank you for reply.
>
> But I could not find the answer from emotion and elementary,
> because I want to make the Evas_Object which is inheritable and gets
> value from the constructor's parameter.
>
> Elementary gets the parent as a parameter in the constructor, but
> elementary widget is not inheritable, so they can do everything in the
> constructor.
> Let's imagine to make the elm_popup inheritable. where can we make the
> Widget_Data and how can we pass the parent to make the wd->notify?
>
> If I don't have to make my Evas_Object inheritable, I can do
> everything in the constructor like an Elementary and Emotion widget.
> If I don't have to pass the value which is used to initialize
> Evas_Object, it is easy to make it.
> However, I want to do both of them.
>
> I really want to find the way to get the both of inheritance and value
> of constructor.
Gustavo Lima replied with pointers on how to do it.
But I insist you're looking it from the wrong point of view. There is
no constructor parameter concepts for Evas_Object. period, accept
that. The proper way to do it is to have another method call AFTER the
constructor:
Evas_Object *o = evas_object_smart_add(e, my_smart);
my_property_set(o, my_parameter);
You can expose this in two forms:
1. Wrapped inside your own constructor (not-EFL like):
Evas_Object *my_obj_add(Evas *e, my_type my_parameter) {
Evas_Object *o = evas_object_smart_add(e, my_smart);
my_property_set(o, my_parameter);
return o;
}
2. Explicitly expose a constructor without parameter and a public
(EAPI) method.
For other details look at glima's email.
--
Gustavo Sverzut Barbieri
http://profusion.mobi embedded systems
--------------------------------------
MSN: barbi...@gmail.com
Skype: gsbarbieri
Mobile: +55 (19) 9225-2202
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