menu_item_current(3X)

NAME

menu_item_current, set_current_item, current_item, set_top_row, top_row, item_index − set and get current menus items

SYNOPSIS

#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 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_OKThe routine returned successfully.
E_SYSTEM_ERRORSystem error.
E_BAD_ARGUMENTAn incorrect argument was passed
to the routine.
E_BAD_STATEThe routine was called from an
initialization or termination function.
E_NOT_CONNECTEDNo items are connected to the menu.

NOTES

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

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