//----------
public string editResponseBox()
{
// clearRespbuf();
respoff = 0;
posresp();
char inpkey;
for (;;)
{
Char inpchr = Useful.getKeyPress(out inpkey);
if ((inpchr >= ' ') && (inpchr <= '~'))
{
Console.Write(inpchr);
respbuf[respoff++] = inpchr;
if (respoff >= maxoff)
{
Console.Beep();
respoff = respoff % maxoff;
}
posresp();
continue;
}
if ((inpchr == 8) || (inpkey == (int)ConsoleKey.Backspace))
{
respoff--;
if (respoff < 0)
{
Console.Beep();
respoff = (respoff + maxoff) % maxoff;
}
posresp();
Console.Write(' ');
respbuf[respoff] = ' ';
posresp();
continue;
}
if ((inpchr == 9) && (inpkey == (int)ConsoleKey.Tab))
{
break;
}
if (inpkey == (int)ConsoleKey.Enter)
{
int scrrow = respoff / maxcol;
int scrcol = respoff - scrrow * maxcol;
int respoff2 = respoff;
respoff2 -= scrcol;
respoff2 += maxcol;
for (int ii = respoff; ii < respoff2; ii++)
{
Console.Write(' ');
respbuf[ii] = ' ';
}
respoff = respoff2;
if (respoff >= maxoff)
{
Console.Beep();
respoff = respoff % maxoff;
}
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.RightArrow))
{
respoff++;
if (respoff >= maxoff)
{
Console.Beep();
respoff = respoff % maxoff;
}
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.LeftArrow))
{
respoff--;
if (respoff < 0)
{
Console.Beep();
respoff = (respoff + maxoff) % maxoff;
}
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.UpArrow))
{
respoff -= maxcol;
if (respoff < 0)
{
Console.Beep();
respoff += maxoff;
}
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.DownArrow))
{
respoff += maxcol;
if (respoff >= maxoff)
{
Console.Beep();
respoff -= maxoff;
}
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.Tab))
{
Console.SetCursorPosition(10, 24);
Console.Write("tab<<<");
Console.Beep();
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.Insert))
{
Console.SetCursorPosition(10, 24);
Console.Write("insert");
Console.Beep();
posresp();
continue;
}
if ((inpchr == 0) && (inpkey == (int)ConsoleKey.Delete))
{
Console.SetCursorPosition(10, 24);
Console.Write("delete");
Console.Beep();
posresp();
continue;
}
} // end for()
int offb = 0, offx = 0;
for (int ii = 0; ii < respbuf.Length; ii++)
{
offb = ii;
if (respbuf[ii] != ' ')
{
break;
}
}
for (int ii = respbuf.Length - 1; ii > 0; ii--)
{
offx = ii;
if (respbuf[ii] != ' ')
{
break;
}
}
StringBuilder result = new StringBuilder();
char last = ' ';
for (int ii = offb; ii <= offx; ii++)
{
if ((last == ' ') && (respbuf[ii] == ' '))
{
continue;
}
result.Append(respbuf[ii]);
last = respbuf[ii];
}
return(result.ToString().ToLower());
}
