public void Send(AidKey key = AidKey.Enter)
{
List <byte> byteData = new();
byteData.Add((byte)key);
var cursorAddress = EncodeAddress(CursorIndex);
byteData.AddRange(cursorAddress);
var mdtFields = StartFields.Where(m => m.ModifiedDataTag);
foreach (var field in mdtFields)
{
byteData.Add((byte)Order.SetBufferAddress);
var fieldAddress = EncodeAddress(field.Index + 1);
byteData.AddRange(fieldAddress);
int index = field.Index + 1;
while (!StartFields.Any(m => m.Index == index))
{
if (index > (24 * 80))
{
break;
}
if (ScreenBuffer[index] == 0x0)
{
index++;
continue;
}
byteData.Add(ScreenBuffer[index++]);
}
}
byteData.AddRange(new byte[] { (byte)Telnet.IAC, (byte)Telnet.EOR });
WriteBytes(byteData.ToArray());
}
public bool TrySetTextByFieldIndex(int index, string text)
{
var editableFields = StartFields.Where(w => w.CanEdit);
if (editableFields.Count() < index)
{
return(false);
}
var screenIndex = editableFields.Skip(index).First().Index;
return(TrySetText(screenIndex, text));
}
public bool TrySetText(int index, string text)
{
var concernedField = StartFields.Where(w => w.Index <= index).OrderBy(w => w.Index).LastOrDefault();
if (concernedField == null)
{
return(false);
}
if (concernedField.Index + text.Length > (24 * 80))
{
return(false);
}
concernedField.ModifiedDataTag = true;
Encoding.GetBytes(text).CopyTo(ScreenBuffer, index + 1);
return(true);
}
