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#include <stdio.h>
#include <curses.h>
#include <menu.h>


static ITEM *items[30];


static int menu_virtualize(int c)
{
	if (c == '\n' || c == KEY_EXIT)
		return(MAX_COMMAND + 1);
	else if (c == 'n' || c == KEY_DOWN)
		return(REQ_NEXT_ITEM);
	else if (c == 'p' || c == KEY_UP)
		return(REQ_PREV_ITEM);
	else
		return(c);
}


int popup_menu(char *names[], int menu_y, int menu_x)
{
	MENU	*m;
	ITEM	**ip = items;
	char	**ap;
	int	mrows, mcols, n;
	WINDOW	*menuwin, *subwin;
	int i;

	for (ap = names; *ap; ap++)
		*ip++ = new_item(*ap, "");
	*ip = (ITEM *)NULL;

	m = new_menu(items);

	scale_menu(m, &mrows, &mcols);

	menuwin = newwin(mrows + 2, mcols +  2, menu_y, menu_x);
	set_menu_win(m, menuwin);
	keypad(menuwin, TRUE);
	box(menuwin, 0, 0);

	subwin = derwin(menuwin, mrows, mcols, 1, 1);
	set_menu_sub(m, subwin);

	post_menu(m); 

	while (menu_driver(m, menu_virtualize(wgetch(menuwin))) != E_UNKNOWN_COMMAND);
	n = item_index(current_item(m));

	unpost_menu(m);
	delwin(subwin);
	delwin(menuwin);

	for (ip = items; *ip; ip++)
		free_item(*ip);
	free_menu(m);

	return(n);
}

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