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path: root/src/lib/elementary/elm_widget_plug.h
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#ifndef ELM_WIDGET_PLUG_H
#define ELM_WIDGET_PLUG_H

#include "Elementary.h"
#include "elm_plug.eo.h"

/* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR
 * CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT
 * FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK
 * IT AT RUNTIME.
 */

/**
 * @addtogroup Widget
 * @{
 *
 * @section elm-plug-class The Elementary Plug Class
 *
 * Elementary, besides having the @ref Plug widget, exposes its
 * foundation -- the Elementary Plug Class -- in order to create other
 * widgets which are a plug with some more logic on top.
 */
/**
 * @}
 */

#define ELM_PLUG_DATA_GET(o, sd) \
     Elm_Plug_Smart_Data * sd = efl_data_scope_get(o, ELM_PLUG_CLASS)

#define ELM_PLUG_DATA_GET_OR_RETURN(o, ptr)          \
  ELM_PLUG_DATA_GET(o, ptr);                         \
  if (EINA_UNLIKELY(!ptr))                           \
    {                                                \
       ERR("No widget data for object %p (%s)",      \
           o, evas_object_type_get(o));              \
       return;                                       \
    }

#define ELM_PLUG_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
  ELM_PLUG_DATA_GET(o, ptr);                         \
  if (EINA_UNLIKELY(!ptr))                           \
    {                                                \
       ERR("No widget data for object %p (%s)",      \
           o, evas_object_type_get(o));              \
       return val;                                   \
    }

#define ELM_PLUG_CHECK(obj)                              \
  if (EINA_UNLIKELY(!efl_isa((obj), ELM_PLUG_CLASS))) \
    return

#endif