#include <menu.h>

#include <string.h>

#include <stdlib.h>

#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))

#define CTRLD 4

char *choices[] = {

"Choice 1",

"Choice 2",

"Choice 3",

"Choice 4",

"Exit",

NULL

};

void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);

int main(int argc, char const *argv[]) {

ITEM **my_items;

int c;

MENU *my_menu;

WINDOW *my_menu_win;

int n_choices, i;

initscr();

start_color();

cbreak();

noecho();

keypad(stdscr, TRUE);

init_pair(1, COLOR_RED, COLOR_BLACK);

n_choices = ARRAY_SIZE(choices);

my_items = (ITEM **) calloc(n_choices, sizeof(ITEM *));

for (i = 0; i < n_choices; ++i)

my_items[i] = new_item(choices[i], choices[i]);

my_menu = new_menu((ITEM **) my_items);

my_menu_win = newwin(10, 40, 4, 4);

keypad(my_menu_win, TRUE);

set_menu_win(my_menu, my_menu_win);

set_menu_sub(my_menu, derwin(my_menu_win, 6, 38, 3, 1));

set_menu_mark(my_menu, " * ");

box(my_menu_win, 0, 0);

print_in_middle(my_menu_win, 1, 0, 40, "My Menu", COLOR_PAIR(1));

mvwaddch(my_menu_win, 2, 0, ACS_LTEE);

mvwhline(my_menu_win, 2, 1, ACS_HLINE, 38);

mvwaddch(my_menu_win, 2, 39, ACS_RTEE);

mvprintw(LINES - 2, 0, "F1 to exit");

refresh();

post_menu(my_menu);

wrefresh(my_menu_win);

while ((c = wgetch(my_menu_win)) != KEY_F(1)) {

switch (c) {

case KEY_DOWN:

menu_driver(my_menu, REQ_DOWN_ITEM);

break;

case KEY_UP:

menu_driver(my_menu, REQ_UP_ITEM);

break;

}

wrefresh(my_menu_win);

}

unpost_menu(my_menu);

free_menu(my_menu);

for (i = 0; i < n_choices; ++i)

free_item(my_items[i]);

endwin();

return 0;

}

void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color) {

int length, x, y;

float temp;

if (win == NULL)

win = stdscr;

getyx(win, y, x);

if (startx != 0)

x = startx;

if (starty != 0)

y = starty;

if (width == 0)

width = 80;

length = strlen(string);

temp = (width - length) / 2;

x = startx + (int) temp;

wattron(win, color);

mvwprintw(win, y, x, "%s", string);

wattroff(win, color);

refresh();

}