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 columns 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>.