typedef struct _XfcePanelIndicatorPrivate XfcePanelIndicatorPrivate;
typedef struct _XfcePanelIndicatorClass   XfcePanelIndicatorClass;
typedef struct _XfcePanelIndicator        XfcePanelIndicator;

struct _XfcePanelIndicatorClass
{
  /*< private >*/
  XfcePanelPluginClass __parent__;
  
  /* signals */
  GtkWidget *(*get_properties) (XfcePanelIndicator *indicator);
  
  /*< private >*/
  void (*reserved1) (void);
  void (*reserved2) (void);
  void (*reserved3) (void);
  void (*reserved4) (void);
};

struct _XfcePanelIndicator
{
  /*< private >*/
  XfcePanelPlugin __parent__;

  /*< private >*/
  XfcePanelIndicatorPrivate *priv;
};

typedef enum
{
  XFCE_PANEL_INDICATOR_LABEL       = 1 << 0,
  XFCE_PANEL_INDICATOR_IMAGE       = 1 << 1,
  XFCE_PANEL_INDICATOR_PROGRESSBAR = 1 << 2,
  XFCE_PANEL_INDICATOR_GRAPH       = 1 << 3,
  XFCE_PANEL_INDICATOR_MASK        = 0x0f /* all flags above */
}
XfcePanelIndicatorFlags;



/**
 * xfce_panel_indicator_get_items:
 * @indicator : Indicator panel plugin
 *
 * List of #XfcePanelIndicatorItem's in the #XfcePanelIndicator plugin
 *
 * Returns: list of #XfcePanelIndicatorItem widgets
 **/
GList                  *xfce_panel_indicator_get_items (XfcePanelIndicator *indicator);



/**
 * xfce_panel_indicator_item_new:
 * @indicator       : Indicator panel plugin
 * @name            : Identifier name for @indicator (used for positioning etc)
 * @display_name    : Translated name for display to the user in the preferences
 * @flags_default   : Widgets shown by default
 * @flags_supported : Supported flags for the item
 *
 * Create a new #XfcePanelIndicatorItem in the @indicator.
 *
 * Returns: a new #XfcePanelIndicatorItem
 **/
XfcePanelIndicatorItem *xfce_panel_indicator_item_new (XfcePanelIndicator      *indicator,
                                                       const gchar             *name,
                                                       const gchar             *display_name,
                                                       XfcePanelIndicatorFlags  flags_default,
                                                       XfcePanelIndicatorFlags  flags_supported);