85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
#ifndef ELM_WIDGET_SEGMENT_CONTROL_H
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#define ELM_WIDGET_SEGMENT_CONTROL_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-segment-control-class The Elementary Segment control Class
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*
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* Elementary, besides having the @ref SegmentControl widget, exposes
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* its foundation -- the Elementary Segment control Class -- in order
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* to create other widgets which are a segment control with some more
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* logic on top.
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*/
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/**
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* Base layout smart data extended with segment control instance data.
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*/
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typedef struct _Elm_Segment_Control_Data Elm_Segment_Control_Data;
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typedef struct _Elm_Segment_Item Elm_Segment_Item;
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struct _Elm_Segment_Control_Data
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{
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Evas_Object *obj;
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Eina_List *items;
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Elm_Segment_Item *selected_item;
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int item_width;
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};
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struct _Elm_Segment_Item
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{
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ELM_WIDGET_ITEM;
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Evas_Object *icon;
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const char *label;
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int seg_index;
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};
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/**
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* @}
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*/
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#define ELM_SEGMENT_CONTROL_DATA_GET(o, sd) \
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Elm_Segment_Control_Data * sd = eo_data_scope_get(o, ELM_SEGMENT_CONTROL_CLASS)
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#define ELM_SEGMENT_CONTROL_DATA_GET_OR_RETURN(o, ptr) \
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ELM_SEGMENT_CONTROL_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_SEGMENT_CONTROL_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_SEGMENT_CONTROL_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_SEGMENT_CONTROL_CHECK(obj) \
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if (EINA_UNLIKELY(!eo_isa((obj), ELM_SEGMENT_CONTROL_CLASS))) \
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return
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#define ELM_SEGMENT_CONTROL_ITEM_CHECK(it) \
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ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
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ELM_SEGMENT_CONTROL_CHECK(it->base.widget);
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#define ELM_SEGMENT_CONTROL_ITEM_CHECK_OR_RETURN(it, ...) \
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ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
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ELM_SEGMENT_CONTROL_CHECK(it->base.widget) __VA_ARGS__;
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#endif
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