xref: /illumos-gate/usr/src/man/man3curses/menu_item_current.3curses (revision 843c398e8904ed9d833d2af3103894f909fb4b52)
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Copyright 1989 AT&T
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MENU_ITEM_CURRENT 3CURSES "April 9, 2016"
NAME
menu_item_current, set_current_item, current_item, set_top_row, top_row, item_index - set and get current menus items
SYNOPSIS

cc [ flag... ] file... -lmenu  -lcurses  [ library... ]
#include <menu.h>

int set_current_item(MENU *menu, ITEM *item);

ITEM *current_item(MENU *menu);

int set_top_row(MENU *menu, int row);

int top_row(MENU *menu);

int item_index(ITEM *item);
DESCRIPTION

The current item of a menu is the item where the cursor is currently positioned. set_current_item() sets the current item of menu to item. current_item() returns a pointer to the current item in menu.

set_top_row() sets the top row of menu to row. The left-most item on the new top row becomes the current item. top_row() returns the number of the menu row currently displayed at the top of menu.

item_index() returns the index to the item in the item pointer array. The value of this index ranges from 0 through N-1, where N is the total number of items connected to the menu.

RETURN VALUES

current_item() returns NULL on error.

top_row() and index_item() return -1 on error.

set_current_item() and set_top_row() return one of the following: E_OK

The routine returned successfully.

E_SYSTEM_ERROR

System error.

E_BAD_ARGUMENT

An incorrect argument was passed to the routine.

E_BAD_STATE

The routine was called from an initialization or termination function.

E_NOT_CONNECTED

No items are connected to the menu.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
MT-Level Unsafe
SEE ALSO

curses(3CURSES), menus(3CURSES), attributes(5)

NOTES

The header <menu.h> automatically includes the headers <eti.h> and <curses.h>.