MENU_ITEM_CURRENT(3CURSES)MENU_ITEM_CURRENT(3CURSES)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 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 VALUEScurrent_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 ALSOcurses(3CURSES), menus(3CURSES), attributes(5)NOTES
The header <menu.h> automatically includes the headers <eti.h> and
<curses.h>.
Dec 31, 1996 MENU_ITEM_CURRENT(3CURSES)