typedef void (*Elm_Object_Item_Smart_Cb) (void *data, Elm_Object_Item *it, void *event_info);

/**
 * Get the widget object's handle which contains a given item
 *
 * @param it The Elementary object item
 * @return The widget object
 *
 * @note This returns the widget object itself that an item belongs to.
 * @note Every elm_object_item supports this API
 * @ingroup General
 */
EAPI Evas_Object                 *elm_object_item_widget_get(const Elm_Object_Item *it);

/**
 * Set a content of an object item
 *
 * @param it The Elementary object item
 * @param part The content part name to set (NULL for the default content)
 * @param content The new content of the object item
 *
 * @note Elementary object items may have many contents
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_part_content_set(Elm_Object_Item *it, const char *part, Evas_Object *content);

#define elm_object_item_content_set(it, content) elm_object_item_part_content_set((it), NULL, (content))

/**
 * Get a content of an object item
 *
 * @param it The Elementary object item
 * @param part The content part name to unset (NULL for the default content)
 * @return content of the object item or NULL for any error
 *
 * @note Elementary object items may have many contents
 *
 * @ingroup General
 */
EAPI Evas_Object                 *elm_object_item_part_content_get(const Elm_Object_Item *it, const char *part);

#define elm_object_item_content_get(it) elm_object_item_part_content_get((it), NULL)

/**
 * Unset a content of an object item
 *
 * @param it The Elementary object item
 * @param part The content part name to unset (NULL for the default content)
 *
 * @note Elementary object items may have many contents
 *
 * @ingroup General
 */
EAPI Evas_Object                 *elm_object_item_part_content_unset(Elm_Object_Item *it, const char *part);

#define elm_object_item_content_unset(it) elm_object_item_part_content_unset((it), NULL)

/**
 * Set a label of an object item
 *
 * @param it The Elementary object item
 * @param part The text part name to set (NULL for the default label)
 * @param label The new text of the label
 *
 * @note Elementary object items may have many labels
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_part_text_set(Elm_Object_Item *it, const char *part, const char *label);

#define elm_object_item_text_set(it, label) elm_object_item_part_text_set((it), NULL, (label))

/**
 * Get a label of an object item
 *
 * @param it The Elementary object item
 * @param part The text part name to get (NULL for the default label)
 * @return text of the label or NULL for any error
 *
 * @note Elementary object items may have many labels
 *
 * @ingroup General
 */
EAPI const char                  *elm_object_item_part_text_get(const Elm_Object_Item *it, const char *part);

#define elm_object_item_text_get(it) elm_object_item_part_text_get((it), NULL)

/**
 * Set the text to read out when in accessibility mode
 *
 * @param it The object item which is to be described
 * @param txt The text that describes the widget to people with poor or no vision
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_access_info_set(Elm_Object_Item *it, const char *txt);

/**
 * Get the data associated with an object item
 * @param it The Elementary object item
 * @return The data associated with @p it
 *
 * @note Every elm_object_item supports this API
 * @ingroup General
 */
EAPI void                        *elm_object_item_data_get(const Elm_Object_Item *it);

/**
 * Set the data associated with an object item
 * @param it The Elementary object item
 * @param data The data to be associated with @p it
 *
 * @note Every elm_object_item supports this API
 * @ingroup General
 */
EAPI void                         elm_object_item_data_set(Elm_Object_Item *it, void *data);

/**
 * Send a signal to the edje object of the widget item.
 *
 * This function sends a signal to the edje object of the obj item. An
 * edje program can respond to a signal by specifying matching
 * 'signal' and 'source' fields.
 *
 * @param it The Elementary object item
 * @param emission The signal's name.
 * @param source The signal's source.
 * @ingroup General
 */
EAPI void                         elm_object_item_signal_emit(Elm_Object_Item *it, const char *emission, const char *source);

/**
 * Set the disabled state of an widget item.
 *
 * @param it The Elementary object item
 * @param disabled The state to put in in: @c EINA_TRUE for
 *        disabled, @c EINA_FALSE for enabled
 *
 * Elementary object item can be @b disabled, in which state they won't
 * receive input and, in general, will be themed differently from
 * their normal state, usually greyed out. Useful for contexts
 * where you don't want your users to interact with some of the
 * parts of you interface.
 *
 * This sets the state for the widget item, either disabling it or
 * enabling it back.
 *
 * @ingroup Styles
 */
EAPI void                         elm_object_item_disabled_set(Elm_Object_Item *it, Eina_Bool disabled);

/**
 * Get the disabled state of an widget item.
 *
 * @param it The Elementary object item
 * @return @c EINA_TRUE, if the widget item is disabled, @c EINA_FALSE
 *            if it's enabled (or on errors)
 *
 * This gets the state of the widget, which might be enabled or disabled.
 *
 * @ingroup Styles
 */
EAPI Eina_Bool                    elm_object_item_disabled_get(const Elm_Object_Item *it);

/**
 * @brief Set the function to be called when an item from the widget is
 * freed.
 *
 * @param it The item to set the callback on
 * @param del_cb The function called
 *
 * That function will receive these parameters:
 * @li void * item data
 * @li Evas_Object * widget object
 * @li Elm_Object_Item * widget item
 *
 * @note Every elm_object_item supports this API
 *
 * @see elm_object_item_del()
 * @ingroup General
 */
EAPI void                         elm_object_item_del_cb_set(Elm_Object_Item *it, Evas_Smart_Cb del_cb);

/**
 * Delete the given item.
 *
 * @param it The item to be deleted.
 *
 * @ingroup General
 */
EAPI void                       elm_object_item_del(Elm_Object_Item *it);

/**
 * Set the text to be shown in a given object item's tooltips.
 *
 * @param it Target item.
 * @param text The text to set in the content.
 *
 * Setup the text as tooltip to object. The item can have only one tooltip,
 * so any previous tooltip data - set with this function or
 * elm_object_item_tooltip_content_cb_set() - is removed.
 *
 * @see elm_object_tooltip_text_set() for more details.
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_tooltip_text_set(Elm_Object_Item *it, const char *text);

/**
 * @brief Disable size restrictions on an object's tooltip
 * @param it The tooltip's anchor object
 * @param disable If EINA_TRUE, size restrictions are disabled
 * @return EINA_FALSE on failure, EINA_TRUE on success
 *
 * This function allows a tooltip to expand beyond its parent window's canvas.
 * It will instead be limited only by the size of the display.
 */
EAPI Eina_Bool                    elm_object_item_tooltip_window_mode_set(Elm_Object_Item *it, Eina_Bool disable);

/**
 * @brief Retrieve size restriction state of an object's tooltip
 * @param it The tooltip's anchor object
 * @return If EINA_TRUE, size restrictions are disabled
 *
 * This function returns whether a tooltip is allowed to expand beyond
 * its parent window's canvas.
 * It will instead be limited only by the size of the display.
 */
EAPI Eina_Bool                    elm_object_item_tooltip_window_mode_get(const Elm_Object_Item *it);

/**
 * Set the content to be shown in the tooltip item.
 *
 * Setup the tooltip to item. The item can have only one tooltip,
 * so any previous tooltip data is removed. @p func(with @p data) will
 * be called every time that need show the tooltip and it should
 * return a valid Evas_Object. This object is then managed fully by
 * tooltip system and is deleted when the tooltip is gone.
 *
 * @param it the object item being attached a tooltip.
 * @param func the function used to create the tooltip contents.
 * @param data what to provide to @a func as callback data/context.
 * @param del_cb called when data is not needed anymore, either when
 *        another callback replaces @a func, the tooltip is unset with
 *        elm_object_item_tooltip_unset() or the owner @a item
 *        dies. This callback receives as the first parameter the
 *        given @a data, and @c event_info is the item.
 *
 * @see elm_object_tooltip_content_cb_set() for more details.
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_tooltip_content_cb_set(Elm_Object_Item *it, Elm_Tooltip_Item_Content_Cb func, const void *data, Evas_Smart_Cb del_cb);

/**
 * Unset tooltip from item.
 *
 * @param it object item to remove previously set tooltip.
 *
 * Remove tooltip from item. The callback provided as del_cb to
 * elm_object_item_tooltip_content_cb_set() will be called to notify
 * it is not used anymore.
 *
 * @see elm_object_tooltip_unset() for more details.
 * @see elm_object_item_tooltip_content_cb_set()
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_tooltip_unset(Elm_Object_Item *it);

/**
 * Sets a different style for this item tooltip.
 *
 * @note before you set a style you should define a tooltip with
 *       elm_object_item_tooltip_content_cb_set() or
 *       elm_object_item_tooltip_text_set()
 *
 * @param it object item with tooltip already set.
 * @param style the theme style to use (default, transparent, ...)
 *
 * @see elm_object_tooltip_style_set() for more details.
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_tooltip_style_set(Elm_Object_Item *it, const char *style);

/**
 * Get the style for this item tooltip.
 *
 * @param it object item with tooltip already set.
 * @return style the theme style in use, defaults to "default". If the
 *         object does not have a tooltip set, then NULL is returned.
 *
 * @see elm_object_tooltip_style_get() for more details.
 * @see elm_object_item_tooltip_style_set()
 *
 * @ingroup General
 */
EAPI const char                  *elm_object_item_tooltip_style_get(const Elm_Object_Item *it);

/**
  * Set the type of mouse pointer/cursor decoration to be shown,
  * when the mouse pointer is over the given item
  *
  * @param it item to customize cursor on
  * @param cursor the cursor type's name
  *
  * This function works analogously as elm_object_cursor_set(), but
  * here the cursor's changing area is restricted to the item's
  * area, and not the whole widget's. Note that that item cursors
  * have precedence over widget cursors, so that a mouse over an
  * item with custom cursor set will always show @b that cursor.
  *
  * If this function is called twice for an object, a previously set
  * cursor will be unset on the second call.
  *
  * @see elm_object_cursor_set()
  * @see elm_object_item_cursor_get()
  * @see elm_object_item_cursor_unset()
  *
  * @ingroup General
  */
EAPI void                         elm_object_item_cursor_set(Elm_Object_Item *it, const char *cursor);

/*
 * Get the type of mouse pointer/cursor decoration set to be shown,
 * when the mouse pointer is over the given item
 *
 * @param it item with custom cursor set
 * @return the cursor type's name or @c NULL, if no custom cursors
 * were set to @p item (and on errors)
 *
 * @see elm_object_cursor_get()
 * @see elm_object_item_cursor_set()
 * @see elm_object_item_cursor_unset()
 *
 * @ingroup General
 */
EAPI const char                  *elm_object_item_cursor_get(const Elm_Object_Item *it);

/**
 * Unset any custom mouse pointer/cursor decoration set to be
 * shown, when the mouse pointer is over the given
 * item, thus making it show the @b default cursor again.
 *
 * @param it the item
 *
 * Use this call to undo any custom settings on this item's cursor
 * decoration, bringing it back to defaults (no custom style set).
 *
 * @see elm_object_cursor_unset()
 * @see elm_object_item_cursor_set()
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_cursor_unset(Elm_Object_Item *it);

/**
 * Set a different @b style for a given custom cursor set for an
 * item.
 *
 * @param it item with custom cursor set
 * @param style the <b>theme style</b> to use (e.g. @c "default",
 * @c "transparent", etc)
 *
 * This function only makes sense when one is using custom mouse
 * cursor decorations <b>defined in a theme file</b>, which can have,
 * given a cursor name/type, <b>alternate styles</b> on it. It
 * works analogously as elm_object_cursor_style_set(), but here
 * applies only to item objects.
 *
 * @warning Before you set a cursor style you should have defined a
 *       custom cursor previously on the item, with
 *       elm_object_item_cursor_set()
 *
 * @see elm_object_item_cursor_engine_only_set()
 * @see elm_object_item_cursor_style_get()
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_cursor_style_set(Elm_Object_Item *it, const char *style);

/**
 * Get the current @b style set for a given item's custom
 * cursor
 *
 * @param it item with custom cursor set.
 * @return style the cursor style in use. If the object does not
 *         have a cursor set, then @c NULL is returned.
 *
 * @see elm_object_item_cursor_style_set() for more details
 *
 * @ingroup General
 */
EAPI const char                  *elm_object_item_cursor_style_get(const Elm_Object_Item *it);

/**
 * Set if the (custom)cursor for a given item should be
 * searched in its theme, also, or should only rely on the
 * rendering engine.
 *
 * @param it item with custom (custom) cursor already set on
 * @param engine_only Use @c EINA_TRUE to have cursors looked for
 * only on those provided by the rendering engine, @c EINA_FALSE to
 * have them searched on the widget's theme, as well.
 *
 * @note This call is of use only if you've set a custom cursor
 * for items, with elm_object_item_cursor_set().
 *
 * @note By default, cursors will only be looked for between those
 * provided by the rendering engine.
 *
 * @ingroup General
 */
EAPI void                         elm_object_item_cursor_engine_only_set(Elm_Object_Item *it, Eina_Bool engine_only);

/**
 * Get if the (custom) cursor for a given item is being
 * searched in its theme, also, or is only relying on the rendering
 * engine.
 *
 * @param it an object item
 * @return @c EINA_TRUE, if cursors are being looked for only on
 * those provided by the rendering engine, @c EINA_FALSE if they
 * are being searched on the widget's theme, as well.
 *
 * @see elm_object_item_cursor_engine_only_set(), for more details
 *
 * @ingroup General
 */
EAPI Eina_Bool                    elm_object_item_cursor_engine_only_get(const Elm_Object_Item *it);

/**
 * Add (register) a callback function to the smart event specified by @p event
 * on the elm_object_item @p it.
 *
 * @param it an object item
 * @param event the event's name string
 * @param func the callback function
 * @param data user data to be passed to the callback function
 *
 * Smart callbacks look very similar to Evas Smart callbacks, but are
 * implemented as elementary object item's custom ones.
 *
 * This function adds a function callback to an elementary object item  when the
 * event named @p event occurs in it. The function is @p func.
 *
 * A smart callback function must have the Elm_Object_Item_Smart_Cb prototype
 * definition. The first parameter (@p data) in this definition will be a user
 * specific data. The second parameter @p it is a handle to the object item on 
 * which event occurred. The third parameter, @p event_info, is a pointer to
 * data which is totally dependent on the elementary object item's
 * implementation and semantic for the given event.
 *
 * @see elm_object_item_smart_callback_del()
 *
 * @ingroup General
 */
//Don't use this APIs
//EAPI void                         elm_object_item_smart_callback_add(Elm_Object_Item *it, const char *event, Elm_Object_Item_Smart_Cb func, const void *data);

/**
 * Delete (unregister) a callback function from the smart event specified by @p
 * event on the elementary object item @p it.
 *
 * @param it an object item
 * @param event the event's name string
 * @param func the callback function
 * @return data user data.
 *
 * This function removes <b>the first</b> added smart callback on the item @p it
 * matching the event name @p event and the registered function pointer @p func.
 * If the removal is successful it will also return the data pointer that was
 * passed to elm_object_item_smart_callback_add() (that will be the same as the
 * parameter) when the callback(s) was(were) added to the item. If not
 * successful @c NULL will be returned.
 *
 * @see elm_object_item_smart_callback_add()
 *
 * @ingroup General
 */
//Don't use this APIs
//EAPI void                        *elm_object_item_smart_callback_del(Elm_Object_Item *it, const char *event, Elm_Object_Item_Smart_Cb func);