|
|
cc [flag . . .] file -lmenu -locurses [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);
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.
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. |