/*---------------------------------------------------------------------------------------------------------------------------------------------------
 * MCURSES: read string (with mini editor built-in)
 *---------------------------------------------------------------------------------------------------------------------------------------------------
 */
void
getnstr (char * str, uint8_t maxlen)
{
    uint8_t ch;
    uint8_t curlen = 0;
    uint8_t curpos = 0;
    uint8_t starty;
    uint8_t startx;
    uint8_t i;

    maxlen--;                               // reserve one byte in order to store '\0' in last position
    getyx (starty, startx);

    while ((ch = getch ()) != KEY_CR)
    {
        switch (ch)
        {
            case KEY_LEFT:
                if (curpos > 0)
                {
                    curpos--;
                }
                break;
            case KEY_RIGHT:
                if (curpos < curlen)
                {
                    curpos++;
                }
                break;
            case KEY_HOME:
                curpos = 0;
                break;
            case KEY_END:
                curpos = curlen;
                break;
            case KEY_BACKSPACE:
                if (curpos > 0)
                {
                    curpos--;
                    curlen--;
                    move (starty, startx + curpos);

                    for (i = curpos; i < curlen; i++)
                    {
                        str[i] = str[i + 1];
                    }
                    str[i] = '\0';
                    delch();
                }
                break;

            case KEY_DC:
                if (curlen > 0)
                {
                    curlen--;
                    for (i = curpos; i < curlen; i++)
                    {
                        str[i] = str[i + 1];
                    }
                    str[i] = '\0';
                    delch();
                }
                break;

            default:
                if (curlen < maxlen && (ch & 0x7F) >= 32 && (ch & 0x7F) < 127)      // printable ascii 7bit or printable 8bit ISO8859
                {
                    for (i = curlen; i > curpos; i--)
                    {
                        str[i] = str[i - 1];
                    }
                    insch (ch);
                    str[curpos] = ch;
                    curpos++;
                    curlen++;
                }
        }
        move (starty, startx + curpos);
    }
    str[curlen] = '\0';
}