menu_format(3x) — Linux manual page

menu_format(3X)                                          menu_format(3X)

NAME

       set_menu_format, menu_format - set and get menu sizes

SYNOPSIS

       #include <menu.h>

       int set_menu_format(MENU *menu, int rows, int cols);
       void menu_format(const MENU *menu, int *rows, int *cols);

DESCRIPTION

       The function set_menu_format sets the maximum display size of the
       given menu.  If this size is too small to display all menu items,
       the menu will be made scrollable.  If this size is larger than
       the menus subwindow and the subwindow is too small to display all
       menu items, post_menu will fail.

       The default format is 16 rows, 1 column.  Calling set_menu_format
       with a null menu pointer will change this default.  A zero row or
       column argument to set_menu_format is interpreted as a request
       not to change the current value.

       The function menu_format returns the maximum-size constraints for
       the given menu into the storage addressed by rows and cols.

RETURN VALUE

       These routines returns one of the following:

       E_OK The routine succeeded.

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

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

       E_POSTED
            The menu is already posted.

       E_NOT_CONNECTED
            No items are connected to the menu.

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 versions.

AUTHORS

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

COLOPHON

       This page is part of the ncurses (new curses) project.
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       a bug report for this manual page, send it to
       bug-ncurses-request@gnu.org.  This page was obtained from the
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       ⟨https://github.com/mirror/ncurses.git⟩ on 2024-06-14.  (At that
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                                                         menu_format(3X)