efl/legacy/eobj/examples/composite_objects/simple.c

#include "Eo.h"
#include "simple.h"

#include "config.h"

EAPI Eo_Op SIMPLE_BASE_ID = 0;

EAPI const Eo_Event_Description _SIG_A_CHANGED =
        EO_EVENT_DESCRIPTION("a,changed", "i", "Called when a has changed.");

#define MY_CLASS SIMPLE_CLASS

static void
_a_set(Eo *obj, void *class_data, va_list *list)
{
   Simple_Public_Data *pd = class_data;
   int a;
   a = va_arg(*list, int);
   printf("%s %d\n", eo_class_name_get(MY_CLASS), a);
   pd->a = a;

   eo_event_callback_call(obj, SIG_A_CHANGED, &pd->a);
}

static void
_a_get(const Eo *obj EINA_UNUSED, const void *class_data, va_list *list)
{
   const Simple_Public_Data *pd = class_data;
   int *a;
   a = va_arg(*list, int *);
   *a = pd->a;
}

static void
_class_constructor(Eo_Class *klass)
{
   const Eo_Op_Func_Description func_desc[] = {
        EO_OP_FUNC(SIMPLE_ID(SIMPLE_SUB_ID_A_SET), _a_set),
        EO_OP_FUNC_CONST(SIMPLE_ID(SIMPLE_SUB_ID_A_GET), _a_get),
        EO_OP_FUNC_SENTINEL
   };

   eo_class_funcs_set(klass, func_desc);
}

static const Eo_Op_Description op_desc[] = {
     EO_OP_DESCRIPTION(SIMPLE_SUB_ID_A_SET, "i", "Set property A"),
     EO_OP_DESCRIPTION_CONST(SIMPLE_SUB_ID_A_GET, "i", "Get property A"),
     EO_OP_DESCRIPTION_SENTINEL
};

static const Eo_Event_Description *event_desc[] = {
     SIG_A_CHANGED,
     NULL
};

static const Eo_Class_Description class_desc = {
     "Simple",
     EO_CLASS_TYPE_REGULAR,
     EO_CLASS_DESCRIPTION_OPS(&SIMPLE_BASE_ID, op_desc, SIMPLE_SUB_ID_LAST),
     event_desc,
     sizeof(Simple_Public_Data),
     NULL,
     NULL,
     _class_constructor,
     NULL
};

EO_DEFINE_CLASS(simple_class_get, &class_desc, EO_BASE_CLASS, NULL);