forked from enlightenment/efl
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
#ifndef ELM_WIDGET_SCROLLER_H
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#define ELM_WIDGET_SCROLLER_H
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#include "Elementary.h"
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/**
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* @addtogroup Widget
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* @{
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*
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* @section elm-scroller-class The Elementary Scroller Class
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*
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* Elementary, besides having the @ref Scroller widget, exposes its
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* foundation -- the Elementary Scroller Class -- in order to create
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* other widgets which are a scroller with some more logic on top.
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*/
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/**
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* Base widget smart data extended with scroller instance data.
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*/
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typedef struct _Elm_Scroller_Data Elm_Scroller_Data;
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struct _Elm_Scroller_Data
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{
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Evas_Object *hit_rect;
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Evas_Object *g_layer;
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Evas_Object *content;
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Eina_Bool min_w : 1;
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Eina_Bool min_h : 1;
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};
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/**
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* @}
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*/
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#define ELM_SCROLLER_DATA_GET(o, sd) \
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Elm_Scroller_Data * sd = eo_data_scope_get(o, ELM_OBJ_SCROLLER_CLASS)
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#define ELM_SCROLLER_DATA_GET_OR_RETURN(o, ptr) \
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ELM_SCROLLER_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_SCROLLER_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
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ELM_SCROLLER_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_SCROLLER_CHECK(obj) \
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if (EINA_UNLIKELY(!eo_isa((obj), ELM_OBJ_SCROLLER_CLASS))) \
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return
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#endif
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