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mitem_current (3X)                                                                          mitem_current (3X)



NAME
       mitem_current - set and get current_menu_item

SYNOPSIS
       #include <menu.h>
       int set_current_item(MENU *menu, const ITEM *item);
       ITEM *current_item(const MENU *menu);
       int set_top_row(MENU *menu, int row);
       int top_row(const MENU *menu);
       int item_index(const ITEM *item);

DESCRIPTION
       The  function  set_current_item  sets  the  current  item (the item on which the menu cursor is posi-tioned). positioned).
       tioned).  current_item returns a pointer to the current item in the given menu.

       The function set_top_row sets the top row of the menu to show the given row (the top row is initially
       0,  and  is reset to this value whenever the O_ROWMAJOR option is toggled).  The item leftmost on the
       given row becomes current.  The function top_row returns the number of the top menu  row  being  dis-played. displayed.
       played.

       The function item_index returns the (zero-origin) index of item in the menu's item pointer list.

RETURN VALUE
       current_item returns a pointer (which may be NULL).  It does not set errno.

       top_row and item_index return ERR (the general curses error value) if their menu parameter is NULL.

       set_current_item and set_top_row return one of the following:

       E_OK The routine succeeded.

       E_BAD_ARGUMENT
            Routine detected an incorrect or out-of-range argument.

       E_BAD_STATE
            Routine was called from an initialization or termination function.

       E_NOT_CONNECTED
            No items are connected to the menu.

       E_SYSTEM_ERROR
            System error occurred (see errno).

SEE ALSO
       curses(3X), menu(3X).

NOTES
       The header file <menu.h> automatically includes the header file <curses.h>.

PORTABILITY
       These  routines  emulate the System V menu library.  They were not supported on Version 7 or BSD ver-sions. versions.
       sions.

       The SVr4 menu library documentation specifies the top_row and index_item error value as -1 (which  is
       the value of ERR).

AUTHORS
       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.



                                                                                           mitem_current(3X)