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#ifndef ELM_WIDGET_BG_H
#define ELM_WIDGET_BG_H
#include "Elementary.h"
/**
* @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_Smart_Data Elm_Bg_Smart_Data;
struct _Elm_Bg_Smart_Data
{
/* the basic background's edje object has three swallow spots, namely:
* - "elm.swallow.rectangle" (elm_bg_color_set),
* - "elm.swallow.background" (elm_bg_file_set) and
* - "elm.swallow.content" (elm_bg_overlay_set).
* the following three variables hold possible content to fit in each
* of them, respectively. */
Evas_Object *rect, *img;
const char *file, *group; /* path to file and group name
* to give life to "img" */
Elm_Bg_Option option;
struct
{
Evas_Coord w, h;
} load_opts;
};
/**
* @}
*/
#define ELM_BG_DATA_GET(o, sd) \
Elm_Bg_Smart_Data * sd = eo_data_scope_get(o, ELM_OBJ_BG_CLASS)
#define ELM_BG_DATA_GET_OR_RETURN(o, ptr) \
ELM_BG_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRI("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 (!ptr) \
{ \
CRI("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_BG_CHECK(obj) \
if (!eo_isa((obj), ELM_OBJ_BG_CLASS)) \
return
#endif
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