efl/legacy/elementary/src/lib/elm_widget_index.h

104 lines
3.3 KiB
C

#ifndef ELM_WIDGET_INDEX_H
#define ELM_WIDGET_INDEX_H
#include "Elementary.h"
/**
* @addtogroup Widget
* @{
*
* @section elm-index-class The Elementary Index Class
*
* Elementary, besides having the @ref Index widget, exposes its
* foundation -- the Elementary Index Class -- in order to create other
* widgets which are a index with some more logic on top.
*/
/**
* Base layout smart data extended with index instance data.
*/
typedef struct _Elm_Index_Smart_Data Elm_Index_Smart_Data;
struct _Elm_Index_Smart_Data
{
Evas_Object *event[2];
Evas_Object *bx[2]; // 2 - for now all that's supported
Eina_List *items; /* 1 list. N levels, but only 2
* for now and # of items will be
* small */
Eina_List *omit;
int level;
Evas_Coord dx, dy;
Ecore_Timer *delay;
double delay_change_time;
Eina_Bool level_active[2]; /**< a flag for the activeness of a
level. activeness means the box is
filled with contents. */
Eina_Bool down : 1;
Eina_Bool horizontal : 1;
Eina_Bool autohide_disabled : 1;
Eina_Bool indicator_disabled : 1;
Eina_Bool omit_enabled : 1;
};
typedef struct _Elm_Index_Item Elm_Index_Item;
struct _Elm_Index_Item
{
ELM_WIDGET_ITEM;
const char *letter;
int level;
Evas_Smart_Cb func;
Eina_List *omitted;
Elm_Index_Item *head;
Eina_Bool selected : 1; /**< a flag that remembers an item is selected. this is set true when mouse down/move occur above an item and when elm_index_item_selected_set() API is called. */
};
typedef struct _Elm_Index_Omit Elm_Index_Omit;
struct _Elm_Index_Omit
{
int offset;
int count;
};
/**
* @}
*/
#define ELM_INDEX_DATA_GET(o, sd) \
Elm_Index_Smart_Data * sd = eo_data_scope_get(o, ELM_OBJ_INDEX_CLASS)
#define ELM_INDEX_DATA_GET_OR_RETURN(o, ptr) \
ELM_INDEX_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_INDEX_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_INDEX_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_INDEX_CHECK(obj) \
if (!eo_isa((obj), ELM_OBJ_INDEX_CLASS)) \
return
#define ELM_INDEX_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_INDEX_CHECK(it->base.widget);
#define ELM_INDEX_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_INDEX_CHECK(it->base.widget) __VA_ARGS__;
#endif