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 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: