add menu magic

src/menu.cpp

@@ -1,8 +1,22 @@
 #include <menu.h>
-#include <ncurses.h>
 #include <clocale>
+#include <cstdlib>
+#include <cstring>
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+#define CTRLD 4
+
+const char* choices[] = {"paradox", "kompromis", "Stereotyp", "Žena"};
+const char* date[] = {"2023-10-01", "2023-10-02", "2023-10-03", "2023-10-04"};
+void print_in_middle(WINDOW* win, int starty, int startx, int width,
+                     char* string, chtype color);
 
 void menu() {
+  ITEM** my_items;
+  int c;
+  MENU* my_menu;
+  WINDOW* my_menu_win;
+  int n_choices, i;
 
   /* Initialize curses */
   setlocale(LC_ALL, "");
@@ -11,9 +25,82 @@ void menu() {
   cbreak();
   noecho();
   keypad(stdscr, TRUE);
+  init_pair(1, COLOR_RED, COLOR_BLACK);
 
-  /* Initialize all colors */
-  for (uint8_t i = 0; i < 8; i++) {
-    init_pair(i, i, COLOR_BLACK);
+  /* Create items */
+  n_choices = ARRAY_SIZE(choices);
+  my_items = new ITEM*[ARRAY_SIZE(choices)];
+  for (i = 0; i < n_choices; ++i)
+    my_items[i] = new_item(choices[i], date[i]);
+
+  /* Crate menu */
+  my_menu = new_menu(my_items);
+
+  /* Create the window to be associated with the menu */
+  my_menu_win = newwin(10, 40, 4, 4);
+  keypad(my_menu_win, TRUE);
+
+  /* Set main window and sub window */
+  set_menu_win(my_menu, my_menu_win);
+  set_menu_sub(my_menu, derwin(my_menu_win, 6, 38, 3, 1));
+
+  /* Set menu mark to the string " * " */
+  set_menu_mark(my_menu, " * ");
+
+  /* Print a border around the main window and print a title */
+  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 the menu */
+  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 and free all the memory taken up */
+  unpost_menu(my_menu);
+  free_menu(my_menu);
+  for (i = 0; i < n_choices; ++i)
+    free_item(my_items[i]);
+  delete[] my_items;
+  endwin();
+}
+
+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();
 }