forked from enlightenment/efl
445 lines
15 KiB
C
445 lines
15 KiB
C
/**
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* Get the widget object's handle which contains a given item
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*
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* @param it The Elementary object item
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* @return The widget object
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*
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* @note This returns the widget object itself that an item belongs to.
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* @note Every elm_object_item supports this API
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* @ingroup General
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*/
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EAPI Evas_Object *elm_object_item_widget_get(const Elm_Object_Item *it);
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/**
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* Set a content of an object item
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*
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* @param it The Elementary object item
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* @param part The content part name to set (NULL for the default content)
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* @param content The new content of the object item
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*
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* This sets a new object to an item as a content object. If any object was
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* already set as a content object in the same part, previous object will be
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* deleted automatically.
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*
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* @note Elementary object items may have many contents
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_part_content_set(Elm_Object_Item *it, const char *part, Evas_Object *content);
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#define elm_object_item_content_set(it, content) elm_object_item_part_content_set((it), NULL, (content))
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/**
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* Get a content of an object item
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*
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* @param it The Elementary object item
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* @param part The content part name to unset (NULL for the default content)
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* @return content of the object item or NULL for any error
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*
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* @note Elementary object items may have many contents
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*
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* @ingroup General
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*/
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EAPI Evas_Object *elm_object_item_part_content_get(const Elm_Object_Item *it, const char *part);
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#define elm_object_item_content_get(it) elm_object_item_part_content_get((it), NULL)
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/**
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* Unset a content of an object item
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*
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* @param it The Elementary object item
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* @param part The content part name to unset (NULL for the default content)
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*
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* @note Elementary object items may have many contents
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*
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* @ingroup General
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*/
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EAPI Evas_Object *elm_object_item_part_content_unset(Elm_Object_Item *it, const char *part);
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#define elm_object_item_content_unset(it) elm_object_item_part_content_unset((it), NULL)
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/**
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* Set a label of an object item
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*
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* @param it The Elementary object item
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* @param part The text part name to set (NULL for the default label)
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* @param label The new text of the label
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*
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* @note Elementary object items may have many labels
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_part_text_set(Elm_Object_Item *it, const char *part, const char *label);
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/**
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* Macro to set a label of an object item.
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*
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* @param it The Elementary object item.
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* @param label The new text of the label.
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*
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* @note Elementary object items may have many labels.
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*
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* @ingroup General
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*/
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#define elm_object_item_text_set(it, label) elm_object_item_part_text_set((it), NULL, (label))
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/**
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* Get a label of an object item
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*
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* @param it The Elementary object item
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* @param part The text part name to get (NULL for the default label)
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* @return text of the label or NULL for any error
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*
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* @note Elementary object items may have many labels
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*
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* @ingroup General
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*/
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EAPI const char *elm_object_item_part_text_get(const Elm_Object_Item *it, const char *part);
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#define elm_object_item_text_get(it) elm_object_item_part_text_get((it), NULL)
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/**
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* Set the text to read out when in accessibility mode
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*
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* @param it The object item which is to be described
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* @param txt The text that describes the widget to people with poor or no vision
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_access_info_set(Elm_Object_Item *it, const char *txt);
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/**
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* Get the data associated with an object item
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* @param it The Elementary object item
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* @return The data associated with @p it
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*
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* @note Every elm_object_item supports this API
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* @ingroup General
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*/
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EAPI void *elm_object_item_data_get(const Elm_Object_Item *it);
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/**
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* Set the data associated with an object item
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* @param it The Elementary object item
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* @param data The data to be associated with @p it
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*
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* @note Every elm_object_item supports this API
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* @ingroup General
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*/
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EAPI void elm_object_item_data_set(Elm_Object_Item *it, void *data);
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/**
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* Send a signal to the edje object of the widget item.
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*
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* This function sends a signal to the edje object of the obj item. An
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* edje program can respond to a signal by specifying matching
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* 'signal' and 'source' fields.
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*
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* @param it The Elementary object item
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* @param emission The signal's name.
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* @param source The signal's source.
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* @ingroup General
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*/
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EAPI void elm_object_item_signal_emit(Elm_Object_Item *it, const char *emission, const char *source);
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/**
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* Set the disabled state of an widget item.
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*
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* @param it The Elementary object item
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* @param disabled The state to put in in: @c EINA_TRUE for
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* disabled, @c EINA_FALSE for enabled
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*
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* Elementary object item can be @b disabled, in which state they won't
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* receive input and, in general, will be themed differently from
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* their normal state, usually greyed out. Useful for contexts
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* where you don't want your users to interact with some of the
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* parts of you interface.
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*
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* This sets the state for the widget item, either disabling it or
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* enabling it back.
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*
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* @ingroup Styles
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*/
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EAPI void elm_object_item_disabled_set(Elm_Object_Item *it, Eina_Bool disabled);
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/**
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* Get the disabled state of an widget item.
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*
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* @param it The Elementary object item
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* @return @c EINA_TRUE, if the widget item is disabled, @c EINA_FALSE
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* if it's enabled (or on errors)
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*
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* This gets the state of the widget, which might be enabled or disabled.
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*
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* @ingroup Styles
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*/
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EAPI Eina_Bool elm_object_item_disabled_get(const Elm_Object_Item *it);
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/**
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* @brief Set the function to be called when an item from the widget is
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* freed.
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*
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* @param it The item to set the callback on
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* @param del_cb The function called
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*
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* That function will receive these parameters:
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* @li void * item data
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* @li Evas_Object * widget object
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* @li Elm_Object_Item * widget item
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*
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* @note Every elm_object_item supports this API
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*
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* @see elm_object_item_del()
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* @ingroup General
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*/
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EAPI void elm_object_item_del_cb_set(Elm_Object_Item *it, Evas_Smart_Cb del_cb);
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/**
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* Delete the given item.
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*
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* @param it The item to be deleted.
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_del(Elm_Object_Item *it);
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/**
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* Set the text to be shown in a given object item's tooltips.
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*
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* @param it Target item.
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* @param text The text to set in the content.
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*
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* Setup the text as tooltip to object. The item can have only one tooltip,
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* so any previous tooltip data - set with this function or
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* elm_object_item_tooltip_content_cb_set() - is removed.
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*
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* @see elm_object_tooltip_text_set() for more details.
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_tooltip_text_set(Elm_Object_Item *it, const char *text);
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/**
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* @brief Disable size restrictions on an object's tooltip
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* @param it The tooltip's anchor object
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* @param disable If EINA_TRUE, size restrictions are disabled
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* @return EINA_FALSE on failure, EINA_TRUE on success
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*
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* This function allows a tooltip to expand beyond its parent window's canvas.
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* It will instead be limited only by the size of the display.
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*/
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EAPI Eina_Bool elm_object_item_tooltip_window_mode_set(Elm_Object_Item *it, Eina_Bool disable);
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/**
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* @brief Retrieve size restriction state of an object's tooltip
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* @param it The tooltip's anchor object
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* @return If EINA_TRUE, size restrictions are disabled
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*
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* This function returns whether a tooltip is allowed to expand beyond
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* its parent window's canvas.
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* It will instead be limited only by the size of the display.
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*/
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EAPI Eina_Bool elm_object_item_tooltip_window_mode_get(const Elm_Object_Item *it);
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/**
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* Set the content to be shown in the tooltip item.
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*
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* Setup the tooltip to item. The item can have only one tooltip,
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* so any previous tooltip data is removed. @p func(with @p data) will
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* be called every time that need show the tooltip and it should
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* return a valid Evas_Object. This object is then managed fully by
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* tooltip system and is deleted when the tooltip is gone.
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*
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* @param it the object item being attached a tooltip.
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* @param func the function used to create the tooltip contents.
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* @param data what to provide to @a func as callback data/context.
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* @param del_cb called when data is not needed anymore, either when
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* another callback replaces @a func, the tooltip is unset with
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* elm_object_item_tooltip_unset() or the owner @a item
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* dies. This callback receives as the first parameter the
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* given @a data, and @c event_info is the item.
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*
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* @see elm_object_tooltip_content_cb_set() for more details.
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*
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* @ingroup General
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*/
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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);
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/**
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* Unset tooltip from item.
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*
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* @param it object item to remove previously set tooltip.
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*
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* Remove tooltip from item. The callback provided as del_cb to
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* elm_object_item_tooltip_content_cb_set() will be called to notify
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* it is not used anymore.
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*
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* @see elm_object_tooltip_unset() for more details.
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* @see elm_object_item_tooltip_content_cb_set()
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_tooltip_unset(Elm_Object_Item *it);
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/**
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* Sets a different style for this item tooltip.
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*
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* @note before you set a style you should define a tooltip with
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* elm_object_item_tooltip_content_cb_set() or
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* elm_object_item_tooltip_text_set()
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*
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* @param it object item with tooltip already set.
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* @param style the theme style to use (default, transparent, ...)
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*
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* @see elm_object_tooltip_style_set() for more details.
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_tooltip_style_set(Elm_Object_Item *it, const char *style);
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/**
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* Get the style for this item tooltip.
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*
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* @param it object item with tooltip already set.
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* @return style the theme style in use, defaults to "default". If the
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* object does not have a tooltip set, then NULL is returned.
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*
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* @see elm_object_tooltip_style_get() for more details.
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* @see elm_object_item_tooltip_style_set()
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*
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* @ingroup General
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*/
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EAPI const char *elm_object_item_tooltip_style_get(const Elm_Object_Item *it);
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/**
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* Set the type of mouse pointer/cursor decoration to be shown,
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* when the mouse pointer is over the given item
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*
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* @param it item to customize cursor on
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* @param cursor the cursor type's name
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*
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* This function works analogously as elm_object_cursor_set(), but
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* here the cursor's changing area is restricted to the item's
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* area, and not the whole widget's. Note that that item cursors
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* have precedence over widget cursors, so that a mouse over an
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* item with custom cursor set will always show @b that cursor.
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*
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* If this function is called twice for an object, a previously set
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* cursor will be unset on the second call.
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*
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* @see elm_object_cursor_set()
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* @see elm_object_item_cursor_get()
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* @see elm_object_item_cursor_unset()
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_cursor_set(Elm_Object_Item *it, const char *cursor);
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/*
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* Get the type of mouse pointer/cursor decoration set to be shown,
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* when the mouse pointer is over the given item
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*
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* @param it item with custom cursor set
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* @return the cursor type's name or @c NULL, if no custom cursors
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* were set to @p item (and on errors)
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*
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* @see elm_object_cursor_get()
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* @see elm_object_item_cursor_set()
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* @see elm_object_item_cursor_unset()
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*
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* @ingroup General
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*/
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EAPI const char *elm_object_item_cursor_get(const Elm_Object_Item *it);
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/**
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* Unset any custom mouse pointer/cursor decoration set to be
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* shown, when the mouse pointer is over the given
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* item, thus making it show the @b default cursor again.
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*
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* @param it the item
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*
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* Use this call to undo any custom settings on this item's cursor
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* decoration, bringing it back to defaults (no custom style set).
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*
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* @see elm_object_cursor_unset()
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* @see elm_object_item_cursor_set()
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_cursor_unset(Elm_Object_Item *it);
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/**
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* Set a different @b style for a given custom cursor set for an
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* item.
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*
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* @param it item with custom cursor set
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* @param style the <b>theme style</b> to use (e.g. @c "default",
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* @c "transparent", etc)
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*
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* This function only makes sense when one is using custom mouse
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* cursor decorations <b>defined in a theme file</b>, which can have,
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* given a cursor name/type, <b>alternate styles</b> on it. It
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* works analogously as elm_object_cursor_style_set(), but here
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* applies only to item objects.
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*
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* @warning Before you set a cursor style you should have defined a
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* custom cursor previously on the item, with
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* elm_object_item_cursor_set()
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*
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* @see elm_object_item_cursor_engine_only_set()
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* @see elm_object_item_cursor_style_get()
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_cursor_style_set(Elm_Object_Item *it, const char *style);
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/**
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* Get the current @b style set for a given item's custom
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* cursor
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*
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* @param it item with custom cursor set.
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* @return style the cursor style in use. If the object does not
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* have a cursor set, then @c NULL is returned.
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*
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* @see elm_object_item_cursor_style_set() for more details
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*
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* @ingroup General
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*/
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EAPI const char *elm_object_item_cursor_style_get(const Elm_Object_Item *it);
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/**
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* Set if the (custom)cursor for a given item should be
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* searched in its theme, also, or should only rely on the
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* rendering engine.
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*
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* @param it item with custom (custom) cursor already set on
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* @param engine_only Use @c EINA_TRUE to have cursors looked for
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* only on those provided by the rendering engine, @c EINA_FALSE to
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* have them searched on the widget's theme, as well.
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*
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* @note This call is of use only if you've set a custom cursor
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* for items, with elm_object_item_cursor_set().
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*
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* @note By default, cursors will only be looked for between those
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* provided by the rendering engine.
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_cursor_engine_only_set(Elm_Object_Item *it, Eina_Bool engine_only);
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/**
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* Get if the (custom) cursor for a given item is being
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* searched in its theme, also, or is only relying on the rendering
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* engine.
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*
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* @param it an object item
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* @return @c EINA_TRUE, if cursors are being looked for only on
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* those provided by the rendering engine, @c EINA_FALSE if they
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* are being searched on the widget's theme, as well.
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*
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* @see elm_object_item_cursor_engine_only_set(), for more details
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*
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* @ingroup General
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*/
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EAPI Eina_Bool elm_object_item_cursor_engine_only_get(const Elm_Object_Item *it);
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