Daniel Kolesa wrote on Thu 11/09/14 12:09:
> 2014-09-11 12:00 GMT+01:00 Jean Rene Dawin <jda...@math.uni-bielefeld.de>:
> 
> > On Mon, Sep 08, 2014 at 04:42:04PM +0300, Daniel Zaoui wrote:
> > > Hi,
> > >
> > > On 09/08/14 16:16, Jean Rene Dawin wrote:
> > > > On Sat, Aug 16, 2014 at 02:36:10PM +0900, Carsten Haitzler wrote:
> > > >> About time i got back to blogging about EFL etc.
> > > >>
> > > >>
> > https://phab.enlightenment.org/phame/live/1//post/yet_another_c_object_model_but_better/
> > > >>
> > > > Hi,
> > > >
> > > > thanks for the explanations. Trying to reproduce the steps, the result
> > of my tst.c
> > > > differd a bit, though. I didn't get
> > > >
> > > >     EOLIAN static void
> > > >     _tst_eo_base_constructor(Eo *obj, Tst_Data *pd)
> > > >     {
> > > >        eo_do_super(obj, TST_CLASS, eo_constructor());
> > > >     }
> > > >
> > > >     EOLIAN static void
> > > >     _tst_eo_base_destructor(Eo *obj, Tst_Data *pd)
> > > >     {
> > > >        eo_do_super(obj, TST_CLASS, eo_destructor());
> > > >     }
> > > >
> > > > but instead
> > > >
> > > >     EOLIAN static void
> > > >     _tst_class_constructor(Eo_Class *klass)
> > > >     {
> > > >     }
> > > >     EOLIAN static void
> > > >     _tst_class_destructor(Eo_Class *klass)
> > > >     {
> > > >     }
> > > >
> > > > Is there a more detailed documentation of the Eo-Syntax and API
> > somewhere?
> > > > Becuase the one on docs.enlightenment.org is not so verbose or maybe
> > outdated.
> > > > Is this because there will be more changes to Eo and things are not
> > fixed yet?
> > > >
> > > > Thanks for your help,
> > > >
> > > > Jean Rene Dawin
> > > >
> > >
> > > You should try with Base.constructor instead of class.constructor (same
> > > for the destructor).
> > >
> > > You can look at https://phab.enlightenment.org/w/eolian/ for more docs
> > > on the syntax.
> > >
> > > One of all the EFL Daniels
> >
> > Hi,
> >
> > thanks for the answers. The site you mentioned is indeed very informative
> > about eo-file syntax. But what I'm more interested in is the whole
> > mechanics of eo_add, eo_do and eo_add_custom and all those functions. For
> > example I tried to do this
> >
> >     #define EFL_BETA_API_SUPPORT
> >     #define EFL_EO_API_SUPPORT
> >     #include <Elementary.h>
> >     EAPI_MAIN int
> >     elm_main(int argc, char **argv){
> >         eo_init();
> >         Eo *win = eo_add(ELM_WIN_CLASS, NULL);
> >         eo_do(win,
> >             elm_obj_win_title_set("Nikotinamiddinukleotidphosphat")
> >         );
> >         elm_run();
> >         return 0;
> >     }
> >     ELM_MAIN()
> >
> > and while it compiled fine it threw runtime errors like
> >
> >     ERR<818>:eo lib/eo/eo.c:1572 eo_error_set_internal() Error with obj
> > '0x9500b30' at elm_win.c:3510.
> >     ERR<818>:elementary elm_win.c:3511 _elm_win_eo_base_constructor() only
> > custom constructor can be used with 'Elm_Win' class
> >     ERR<818>:eo lib/eo/eo.c:953 _eo_add_internal_end() Object of class
> > 'Elm_Win' - Not all of the object constructors have been executed.
> >
> > as I'm obviously using Eo/Elementary in a wrong manner, but I find it
> > quite hard to understand from the source files like Eo.h, how it would be
> > done the right way.
> > So, I guess I will have to try harder :)
> >
> 
> You're supposed to use elm_win_add at this point to create the object. The
> base constructor is explicitly overloaded to trigger this error.
> Alternatively, you can use "eo_add_custom(ELM_WIN_CLASS, NULL,
> elm_obj_win_constructor("foo", ELM_WIN_BASIC));". But that's pretty much
> identical to what the "elm_win_add" function does.

Ah, ok. Does "at this point" mean at the current state of the Eo implementation 
for
Elementary? Is it planned to replace functions like evas_object_show() with
Eo style functions, or are they planned to coexist?

Thanks for the explanations,

Jean Rene Dawin

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