76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
#ifndef ELM_WIDGET_BG_H
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#define ELM_WIDGET_BG_H
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#include "Elementary.h"
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/* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR
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* CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT
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* FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK
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* IT AT RUNTIME.
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*/
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/**
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* @addtogroup Widget
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* @{
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*
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* @section elm-bg-class The Elementary Bg Class
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*
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* Elementary, besides having the @ref Bg widget, exposes its
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* foundation -- the Elementary Bg Class -- in order to create other
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* widgets which are a bg with some more logic on top.
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*/
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/**
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* Base layout smart data extended with bg instance data.
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*/
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typedef struct _Elm_Bg_Data Elm_Bg_Data;
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struct _Elm_Bg_Data
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{
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/* the basic background's edje object has three swallow spots, namely:
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* - "elm.swallow.rectangle" (elm_bg_color_set),
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* - "elm.swallow.background" (elm_bg_file_set) and
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* - "elm.swallow.content" (elm_bg_overlay_set).
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* the following three variables hold possible content to fit in each
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* of them, respectively. */
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Evas_Object *rect, *img;
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const char *file, *group; /* path to file and group name
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* to give life to "img" */
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Elm_Bg_Option option;
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struct
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{
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Evas_Coord w, h;
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} load_opts;
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};
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/**
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* @}
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*/
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#define ELM_BG_DATA_GET(o, sd) \
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Elm_Bg_Data * sd = eo_data_scope_get(o, ELM_BG_CLASS)
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#define ELM_BG_DATA_GET_OR_RETURN(o, ptr) \
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ELM_BG_DATA_GET(o, ptr); \
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if (EINA_UNLIKELY(!ptr)) \
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{ \
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CRI("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return; \
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}
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#define ELM_BG_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_BG_DATA_GET(o, ptr); \
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if (EINA_UNLIKELY(!ptr)) \
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{ \
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CRI("No widget data for object %p (%s)", \
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o, evas_object_type_get(o)); \
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return val; \
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}
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#define ELM_BG_CHECK(obj) \
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if (EINA_UNLIKELY(!eo_isa((obj), ELM_BG_CLASS))) \
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return
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#endif
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