box-o-sand/curses-practice/forms/form_options.c

#include <form.h>

#define STARTX 15
#define STARTY 4
#define WIDTH 25

#define N_FIELDS 3

int main()
{    FIELD *field[N_FIELDS];
    FORM  *my_form;
    int ch, i;

    /* Initialize curses */
    initscr();
    cbreak();
    noecho();
    keypad(stdscr, TRUE);

    /* Initialize the fields */
    for(i = 0; i < N_FIELDS - 1; ++i)
        field[i] = new_field(1, WIDTH, STARTY + i * 2, STARTX, 0, 0);
    field[N_FIELDS - 1] = NULL;

    /* Set field options */
    set_field_back(field[1], A_UNDERLINE);     /* Print a line for the option     */

    field_opts_off(field[0], O_ACTIVE); /* This field is a static label */
    field_opts_off(field[1], O_PUBLIC); /* This filed is like a password field*/
    field_opts_off(field[1], O_AUTOSKIP); /* To avoid entering the same field */
                          /* after last character is entered */

    /* Create the form and post it */
    my_form = new_form(field);
    post_form(my_form);
    refresh();

    set_field_just(field[0], JUSTIFY_CENTER); /* Center Justification */
    set_field_buffer(field[0], 0, "This is a static Field");
                          /* Initialize the field  */
    mvprintw(STARTY, STARTX - 10, "Field 1:");
    mvprintw(STARTY + 2, STARTX - 10, "Field 2:");
    refresh();

    /* Loop through to get user requests */
    while((ch = getch()) != KEY_F(1))
    {    switch(ch)
        {    case KEY_DOWN:
                /* Go to next field */
                form_driver(my_form, REQ_NEXT_FIELD);
                /* Go to the end of the present buffer */
                /* Leaves nicely at the last character */
                form_driver(my_form, REQ_END_LINE);
                break;
            case KEY_UP:
                /* Go to previous field */
                form_driver(my_form, REQ_PREV_FIELD);
                form_driver(my_form, REQ_END_LINE);
                break;
            default:
                /* If this is a normal character, it gets */
                /* Printed                  */
                form_driver(my_form, ch);
                break;
        }
    }

    /* Un post form and free the memory */
    unpost_form(my_form);
    free_form(my_form);
    free_field(field[0]);
    free_field(field[1]);

    endwin();
    return 0;
}