menu_win(3) - NetBSD Manual Pages

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MENU_WIN(3)             NetBSD Library Functions Manual            MENU_WIN(3)


NAME
menu_sub, menu_win, scale_menu, set_menu_sub, set_menu_win -- sub-menu handling
LIBRARY
Curses Menu Library (libmenu, -lmenu)
SYNOPSIS
#include <menu.h> WINDOW * menu_sub(MENU *menu); WINDOW * menu_win(MENU *menu); int scale_menu(MENU *menu, int *rows, int *cols); int set_menu_sub(MENU *menu, WINDOW *sub); int set_menu_win(MENU *menu, WINDOW *win);
DESCRIPTION
The menu_sub() function returns a pointer to the window that will be used to post a menu into, this pointer is set by the set_menu_sub() function. The menu_win() function returns a pointer to the window in which the menu subwindow will be created when the menu is posted, this pointer is set by the set_menu_win() function. The scale_menu() function calculates the minimum size a window needs to be to hold the items for a given menu, the parameters rows and cols are set to the required number of rows and col- umns respectively.
RETURN VALUES
The functions return one of the following error values: E_OK The function was successful. E_SYSTEM_ERROR There was a system error during the call. E_BAD_ARGUMENT One or more of the arguments passed to the function was incorrect. E_POSTED The menu is already posted. E_CONNECTED An item was already connected to a menu. E_BAD_STATE The function was called from within an initialization or termination routine. E_NO_ROOM The menu does not fit within the subwindow. E_NOT_POSTED The menu is not posted E_UNKNOWN_COMMAND The menu driver does not recognize the request passed to it. E_NO_MATCH The character search failed to find a match. E_NOT_SELECTABLE The item could not be selected. E_NOT_CONNECTED The item is not connected to a menu. E_REQUEST_DENIED The menu driver could not process the request.
SEE ALSO
curses(3), menus(3)
NOTES
The header <menu.h> automatically includes both <curses.h> and <eti.h>. NetBSD 9.99 September 10, 1999 NetBSD 9.99
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