forked from enlightenment/efl
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
#ifndef ELM_WIDGET_SCROLLER_H
|
|
#define ELM_WIDGET_SCROLLER_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-scroller-class The Elementary Scroller Class
|
|
*
|
|
* Elementary, besides having the @ref Scroller widget, exposes its
|
|
* foundation -- the Elementary Scroller Class -- in order to create
|
|
* other widgets which are a scroller with some more logic on top.
|
|
*/
|
|
|
|
/**
|
|
* Base widget smart data extended with scroller instance data.
|
|
*/
|
|
typedef struct _Elm_Scroller_Data Elm_Scroller_Data;
|
|
struct _Elm_Scroller_Data
|
|
{
|
|
Evas_Object *hit_rect;
|
|
Evas_Object *g_layer;
|
|
|
|
Evas_Object *content;
|
|
Evas_Object *contents;
|
|
Evas_Object *proxy_content[3];
|
|
|
|
Eina_Bool min_w : 1;
|
|
Eina_Bool min_h : 1;
|
|
Eina_Bool loop_h : 1;
|
|
Eina_Bool loop_v : 1;
|
|
};
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#define ELM_SCROLLER_DATA_GET(o, sd) \
|
|
Elm_Scroller_Data * sd = efl_data_scope_get(o, ELM_SCROLLER_CLASS)
|
|
|
|
#define ELM_SCROLLER_DATA_GET_OR_RETURN(o, ptr) \
|
|
ELM_SCROLLER_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_SCROLLER_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
|
|
ELM_SCROLLER_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_SCROLLER_CHECK(obj) \
|
|
if (EINA_UNLIKELY(!efl_isa((obj), ELM_SCROLLER_CLASS))) \
|
|
return
|
|
|
|
#endif
|