mirror of https://github.com/tLDP/LDP
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
#include <menu.h>
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#define CTRLD 4
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char *choices[] = {
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"Choice 1",
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"Choice 2",
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"Choice 3",
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"Choice 4",
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"Exit",
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(char *)NULL,
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};
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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
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int main()
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{ ITEM **my_items;
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int c;
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MENU *my_menu;
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WINDOW *my_menu_win;
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int n_choices, i;
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/* Initialize curses */
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initscr();
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start_color();
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cbreak();
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noecho();
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keypad(stdscr, TRUE);
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init_pair(1, COLOR_RED, COLOR_BLACK);
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/* Create items */
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n_choices = ARRAY_SIZE(choices);
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my_items = (ITEM **)calloc(n_choices, sizeof(ITEM *));
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for(i = 0; i < n_choices; ++i)
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my_items[i] = new_item(choices[i], choices[i]);
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/* Crate menu */
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my_menu = new_menu((ITEM **)my_items);
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/* Create the window to be associated with the menu */
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my_menu_win = newwin(10, 40, 4, 4);
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keypad(my_menu_win, TRUE);
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/* Set main window and sub window */
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set_menu_win(my_menu, my_menu_win);
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set_menu_sub(my_menu, derwin(my_menu_win, 6, 38, 3, 1));
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/* Set menu mark to the string " * " */
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set_menu_mark(my_menu, " * ");
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/* Print a border around the main window and print a title */
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box(my_menu_win, 0, 0);
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print_in_middle(my_menu_win, 1, 0, 40, "My Menu", COLOR_PAIR(1));
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mvwaddch(my_menu_win, 2, 0, ACS_LTEE);
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mvwhline(my_menu_win, 2, 1, ACS_HLINE, 38);
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mvwaddch(my_menu_win, 2, 39, ACS_RTEE);
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mvprintw(LINES - 2, 0, "F1 to exit");
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refresh();
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/* Post the menu */
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post_menu(my_menu);
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wrefresh(my_menu_win);
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while((c = wgetch(my_menu_win)) != KEY_F(1))
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{ switch(c)
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{ case KEY_DOWN:
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menu_driver(my_menu, REQ_DOWN_ITEM);
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break;
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case KEY_UP:
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menu_driver(my_menu, REQ_UP_ITEM);
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break;
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}
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wrefresh(my_menu_win);
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}
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/* Unpost and free all the memory taken up */
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unpost_menu(my_menu);
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free_menu(my_menu);
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for(i = 0; i < n_choices; ++i)
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free_item(my_items[i]);
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endwin();
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}
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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color)
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{ int length, x, y;
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float temp;
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if(win == NULL)
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win = stdscr;
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getyx(win, y, x);
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if(startx != 0)
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x = startx;
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if(starty != 0)
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y = starty;
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if(width == 0)
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width = 80;
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length = strlen(string);
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temp = (width - length)/ 2;
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x = startx + (int)temp;
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wattron(win, color);
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mvwprintw(win, y, x, "%s", string);
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wattroff(win, color);
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refresh();
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}
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