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mitem_value 3x 2024-03-16 ncurses 6.5 Library calls

mitem_value(3x)                  Library calls                 mitem_value(3x)

NAME

       set_item_value, item_value - set and get menu item values

SYNOPSIS

       #include <menu.h>

       int set_item_value(ITEM *item, bool value);
       bool item_value(const ITEM *item);

DESCRIPTION

       If you turn off the menu option O_ONEVALUE (e.g., with set_menu_opts or
       menu_opts_off;  see menu_opts(3x)), the menu becomes multi-valued; that
       is, more than one item may simultaneously be selected.

       In a multi_valued menu, you can used set_item_value to select the given
       menu item (second  argument  TRUE)  or  deselect  it  (second  argument
       FALSE).

RETURN VALUE

       The function set_item_value returns one of the following:

       E_OK The routine succeeded.

       E_SYSTEM_ERROR
            System error occurred (see errno(3)).

       E_REQUEST_DENIED
            The menu driver could not process the request.

PORTABILITY

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

AUTHORS

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

SEE ALSO

       curses(3x), menu(3x)

ncurses 6.5                       2024-03-16                   mitem_value(3x)