/**
 * @addtogroup CopyPaste
 * @{
 */

typedef struct _Elm_Selection_Data Elm_Selection_Data;
typedef Eina_Bool                (*Elm_Drop_Cb)(void *d, Evas_Object *o, Elm_Selection_Data *data);

typedef enum _Elm_Sel_Type
{
   ELM_SEL_TYPE_PRIMARY,
   ELM_SEL_TYPE_SECONDARY,
   ELM_SEL_TYPE_CLIPBOARD,
   ELM_SEL_TYPE_XDND,

   ELM_SEL_TYPE_MAX,
} Elm_Sel_Type;

typedef enum _Elm_Sel_Format
{
   /** Targets: for matching every atom requesting */
   ELM_SEL_FORMAT_TARGETS = -1,
   /** they come from outside of elm */
   ELM_SEL_FORMAT_NONE = 0x0,
   /** Plain unformated text: Used for things that don't want rich markup */
   ELM_SEL_FORMAT_TEXT = 0x01,
   /** Edje textblock markup, including inline images */
   ELM_SEL_FORMAT_MARKUP = 0x02,
   /** Images */
   ELM_SEL_FORMAT_IMAGE = 0x04,
   /** Vcards */
   ELM_SEL_FORMAT_VCARD = 0x08,
   /** Raw HTMLish things for widgets that want that stuff (hello webkit!) */
   ELM_SEL_FORMAT_HTML = 0x10,

   ELM_SEL_FORMAT_MAX
} Elm_Sel_Format;

struct _Elm_Selection_Data
{
   int            x, y;
   Elm_Sel_Format format;
   void          *data;
   size_t         len;
};

/**
 * @brief Set a data of a widget to copy and paste.
 *
 * Append the given callback to the list. This functions will be called
 * called.
 *
 * @param selection selection type for copying and pasting
 * @param widget The source widget pointer
 * @param format Type of selection format
 * @param buf The pointer of data source
 * @return If EINA_TRUE, setting data is success.
 *
 * @ingroup CopyPaste
 *
 */

EAPI Eina_Bool elm_cnp_selection_set(Elm_Sel_Type selection, Evas_Object *widget, Elm_Sel_Format format, const void *buf, size_t buflen);

/**
 * @brief Retrive the data from the widget which is set for copying and pasting.
 *
 * Getting the data from the widget which is set for copying and pasting.
 * Mainly the widget is elm_entry. If then @p datacb and @p udata are
 * can be NULL. If not, @p datacb and @p udata are used for retriving data.
 *
 * @see also elm_cnp_selection_set()
 *
 * @param selection selection type for copying and pasting
 * @param widget The source widget pointer
 * @param datacb The user data callback if the target widget isn't elm_entry
 * @param udata The user data pointer for @p datacb
 * @return If EINA_TRUE, getting data is success.
 *
 * @ingroup CopyPaste
 *
 */

EAPI Eina_Bool elm_cnp_selection_get(Elm_Sel_Type selection, Elm_Sel_Format format, Evas_Object *widget, Elm_Drop_Cb datacb, void *udata);

/**
 * @brief Clear the data in the widget which is set for copying and pasting.
 *
 * Clear the data in the widget. Normally this function isn't need to call.
 *
 * @see also elm_cnp_selection_set()
 *
 * @param selection selection type for copying and pasting
 * @param widget The source widget pointer
 * @return If EINA_TRUE, clearing data is success.
 *
 * @ingroup CopyPaste
 *
 */

EAPI Eina_Bool elm_cnp_selection_clear(Elm_Sel_Type selection, Evas_Object *widget);

/**
 * @}
 */