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/**
* @defgroup Index Index
* @ingroup Elementary
*
* @image html index_inheritance_tree.png
* @image latex index_inheritance_tree.eps
*
* @image html img/widget/index/preview-00.png
* @image latex img/widget/index/preview-00.eps
*
* An index widget gives you an index for fast access to whichever
* group of other UI items one might have. It's a list of text
* items (usually letters, for alphabetically ordered access).
*
* Index widgets are by default hidden and just appear when the
* user clicks over it's reserved area in the canvas. In its
* default theme, it's an area one @ref Fingers "finger" wide on
* the right side of the index widget's container.
*
* When items on the index are selected, smart callbacks get
* called, so that its user can make other container objects to
* show a given area or child object depending on the index item
* selected. You'd probably be using an index together with @ref
* List "lists", @ref Genlist "generic lists" or @ref Gengrid
* "general grids".
*
* This widget inherits from the @ref Layout one, so that all the
* functions acting on it also work for index objects.
*
* This widget emits the following signals, besides the ones sent from
* @ref Layout:
* - @c "changed" - When the selected index item changes. @c
* event_info is the selected item's data pointer.
* - @c "delay,changed" - When the selected index item changes, but
* after a small idling period. @p event_info is the selected
* item's data pointer.
* - @c "selected" - When the user releases a mouse button and
* selects an item. @p event_info is the selected item's pointer.
* - @c "level,up" - when the user moves a finger from the first
* level to the second level
* - @c "level,down" - when the user moves a finger from the second
* level to the first level
* - @c "language,changed" - the program's language changed
* - @c "focused" - When the index has received focus. (since 1.8)
* - @c "unfocused" - When the index has lost focus. (since 1.8)
*
* The @c "delay,changed" event is so that it'll wait a small time
* before actually reporting those events and, moreover, just the
* last event happening on those time frames will actually be
* reported.
*
* Supported elm_object_item common APIs
* @li elm_object_item_del
*
* Here are some examples on its usage:
* @li @ref index_example_01
* @li @ref index_example_02
*/
/**
* @addtogroup Index
* @{
*/
#ifdef EFL_EO_API_SUPPORT
#include <elm_index_eo.h>
#endif
#ifndef EFL_NOLEGACY_API_SUPPORT
#include <elm_index_legacy.h>
#endif
/**
* @}
*/
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