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+/**
+ * @defgroup Radio Radio
+ * @ingroup Elementary
+ *
+ * @image html img/widget/radio/preview-00.png
+ * @image latex img/widget/radio/preview-00.eps
+ *
+ * @brief Radio is a widget that allows for 1 or more options to be displayed
+ * and have the user choose only 1 of them.
+ *
+ * A radio object contains an indicator, an optional Label and an optional
+ * icon object. While it's possible to have a group of only one radio they,
+ * are normally used in groups of 2 or more.
+ *
+ * elm_radio objects are grouped in a slightly different, compared to other
+ * UI toolkits. There is no seperate group name/id to remember or manage.
+ * The members represent the group, there are the group. To make a group,
+ * use elm_radio_group_add() and pass existing radio object and the new radio
+ * object.
+ *
+ * The radio object(s) will select from one of a set
+ * of integer values, so any value they are configuring needs to be mapped to
+ * a set of integers. To configure what value that radio object represents,
+ * use  elm_radio_state_value_set() to set the integer it represents. To set
+ * the value the whole group(which one is currently selected) is to indicate
+ * use elm_radio_value_set() on any group member, and to get the groups value
+ * use elm_radio_value_get(). For convenience the radio objects are also able
+ * to directly set an integer(int) to the value that is selected. To specify
+ * the pointer to this integer to modify, use elm_radio_value_pointer_set().
+ * The radio objects will modify this directly. That implies the pointer must
+ * point to valid memory for as long as the radio objects exist.
+ *
+ * Signals that you can add callbacks for are:
+ * @li changed - This is called whenever the user changes the state of one of
+ * the radio objects within the group of radio objects that work together.
+ *
+ * Default text parts of the radio widget that you can use for are:
+ * @li "default" - Label of the radio
+ *
+ * Default content parts of the radio widget that you can use for are:
+ * @li "icon" - An icon of the radio
+ *
+ * Supported elm_object common APIs.
+ * @li @ref elm_object_part_text_set
+ * @li @ref elm_object_part_text_get
+ * @li @ref elm_object_part_content_set
+ * @li @ref elm_object_part_content_get
+ * @li @ref elm_object_part_content_unset
+ * @li @ref elm_object_disabled_set
+ * @li @ref elm_object_disabled_get
+ *
+ * @ref tutorial_radio show most of this API in action.
+ * @{
+ */
+
+/**
+ * @brief Add a new radio to the parent
+ *
+ * @param parent The parent object
+ * @return The new object or NULL if it cannot be created
+ *
+ * @ingroup Radio
+ */
+EAPI Evas_Object                 *elm_radio_add(Evas_Object *parent);
+
+/**
+ * @brief Add this radio to a group of other radio objects
+ *
+ * @param obj The radio object
+ * @param group Any object whose group the @p obj is to join.
+ *
+ * Radio objects work in groups. Each member should have a different integer
+ * value assigned. In order to have them work as a group, they need to know
+ * about each other. This adds the given radio object to the group of which
+ * the group object indicated is a member.
+ *
+ * @ingroup Radio
+ */
+EAPI void                         elm_radio_group_add(Evas_Object *obj, Evas_Object *group);
+
+/**
+ * @brief Set the integer value that this radio object represents
+ *
+ * @param obj The radio object
+ * @param value The value to use if this radio object is selected
+ *
+ * This sets the value of the radio.
+ *
+ * @ingroup Radio
+ */
+EAPI void                         elm_radio_state_value_set(Evas_Object *obj, int value);
+
+/**
+ * @brief Get the integer value that this radio object represents
+ *
+ * @param obj The radio object
+ * @return The value used if this radio object is selected
+ *
+ * This gets the value of the radio.
+ * @see elm_radio_value_set()
+ *
+ * @ingroup Radio
+ */
+EAPI int                          elm_radio_state_value_get(const Evas_Object *obj);
+
+/**
+ * @brief Set the value of the radio group.
+ *
+ * @param obj The radio object (any radio object of the group).
+ * @param value The value to use for the group
+ *
+ * This sets the value of the radio group and will also set the value if
+ * pointed to, to the value supplied, but will not call any callbacks.
+ *
+ * @ingroup Radio
+ */
+EAPI void                         elm_radio_value_set(Evas_Object *obj, int value);
+
+/**
+ * @brief Get the value of the radio group
+ *
+ * @param obj The radio object (any radio object of the group).
+ * @return The integer state
+ *
+ * @ingroup Radio
+ */
+EAPI int                          elm_radio_value_get(const Evas_Object *obj);
+
+/**
+ * @brief Set a convenience pointer to a integer to change when radio group
+ * value changes.
+ *
+ * @param obj The radio object (any object of a group)
+ * @param valuep Pointer to the integer to modify
+ *
+ * This sets a pointer to a integer, that, in addition to the radio objects
+ * state will also be modified directly. To stop setting the object pointed
+ * to simply use NULL as the @p valuep argument. If valuep is not NULL, then
+ * when this is called, the radio objects state will also be modified to
+ * reflect the value of the integer valuep points to, just like calling
+ * elm_radio_value_set().
+ *
+ * @ingroup Radio
+ */
+EAPI void                         elm_radio_value_pointer_set(Evas_Object *obj, int *valuep);
+
+/**
+ * @brief Get the selected radio object.
+ *
+ * @param obj Any radio object (any object of a group)
+ * @return The selected radio object
+ *
+ * @ingroup Radio
+ */
+EAPI Evas_Object                 *elm_radio_selected_object_get(Evas_Object *obj);
+
+/**
+ * @}
+ */