efl/src/lib/elementary/elm_widget_bg.h

69 lines
2.1 KiB
C

#ifndef ELM_WIDGET_BG_H
#define ELM_WIDGET_BG_H
#include "Elementary.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-bg-class The Elementary Bg Class
*
* Elementary, besides having the @ref Bg widget, exposes its
* foundation -- the Elementary Bg Class -- in order to create other
* widgets which are a bg with some more logic on top.
*/
/**
* Base layout smart data extended with bg instance data.
*/
typedef struct _Elm_Bg_Data Elm_Bg_Data;
struct _Elm_Bg_Data
{
Evas_Object *rect; /*<< Used for elm_bg_color_set(): elm.swallow.rectangle */
Evas_Object *img; /*<< Used for elm_bg_file_set(): elm.swallow.content */
const char *file, *group; /*<< path to file and group name to give life to "img": elm.swallow.background */
Elm_Bg_Option option;
struct
{
Evas_Coord w, h;
} load_opts;
};
/**
* @}
*/
#define ELM_BG_DATA_GET(o, sd) \
Elm_Bg_Data * sd = efl_data_scope_get(o, ELM_BG_CLASS)
#define ELM_BG_DATA_GET_OR_RETURN(o, ptr) \
ELM_BG_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_BG_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_BG_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_BG_CHECK(obj) \
if (EINA_UNLIKELY(!efl_isa((obj), ELM_BG_CLASS))) \
return
#endif