public static string AcceptInput(this string @string, InputFlags flags = InputFlags.None, int maxLength = int.MaxValue)
{
var newString = (@string ?? string.Empty);
var keys = Keyboard.GetPressedKeys();
foreach (var key in keys)
{
if ((key == Keyboard.Keys.CapsLock) || (key == Keyboard.Keys.LeftShift) || (key == Keyboard.Keys.RightShift) ||
(key == Keyboard.Keys.LeftControl) || (key == Keyboard.Keys.RightControl) || (key == Keyboard.Keys.Escape) || (key == Keyboard.Keys.Insert) ||
(key == Keyboard.Keys.Delete) || (key == Keyboard.Keys.Home) || (key == Keyboard.Keys.End) || (key == Keyboard.Keys.PageDown) ||
(key == Keyboard.Keys.PageUp) || (key == Keyboard.Keys.Tab) || (key == Keyboard.Keys.NumLock) || (key == Keyboard.Keys.Enter) ||
(key == Keyboard.Keys.F1) || (key == Keyboard.Keys.F2) || (key == Keyboard.Keys.F3) || (key == Keyboard.Keys.F4) || (key == Keyboard.Keys.F5) ||
(key == Keyboard.Keys.F6) || (key == Keyboard.Keys.F7) || (key == Keyboard.Keys.F8) || (key == Keyboard.Keys.F9) || (key == Keyboard.Keys.F10) ||
(key == Keyboard.Keys.F11) || (key == Keyboard.Keys.F12) || (key == Keyboard.Keys.F13) || (key == Keyboard.Keys.F14) || (key == Keyboard.Keys.F15) ||
(key == Keyboard.Keys.F16) || (key == Keyboard.Keys.F17) || (key == Keyboard.Keys.F18) || (key == Keyboard.Keys.F19) || (key == Keyboard.Keys.F20) ||
(key == Keyboard.Keys.F21) || (key == Keyboard.Keys.F22) || (key == Keyboard.Keys.F23) || (key == Keyboard.Keys.F24) || (key == Keyboard.Keys.LeftAlt) ||
(key == Keyboard.Keys.RightAlt) || (key == Keyboard.Keys.LeftWindows) || (key == Keyboard.Keys.RightWindows) || (key == Keyboard.Keys.Up) || (key == Keyboard.Keys.Down) ||
(key == Keyboard.Keys.Left) || (key == Keyboard.Keys.Right) || (key == Keyboard.Keys.Add) || (key == Keyboard.Keys.Subtract) || (key == Keyboard.Keys.Divide) ||
(key == Keyboard.Keys.Apps) || (key == Keyboard.Keys.PrintScreen) || (key == Keyboard.Keys.Print) || (key == Keyboard.Keys.Scroll) || (key == Keyboard.Keys.Pause))
{
continue;
}
bool caps = System.Windows.Forms.Control.IsKeyLocked(System.Windows.Forms.Keys.CapsLock), shift = (Keyboard.Holding(Keyboard.Keys.LeftShift) || Keyboard.Holding(Keyboard.Keys.RightShift));
if (key == Keyboard.Keys.Back)
{
if (!string.IsNullOrEmpty(newString))
{
newString = newString.Substring(0, (newString.Length - 1));
}
}
else if (key == Keyboard.Keys.OemPeriod)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters) || (!shift && (flags.HasFlag(InputFlags.AllowPeriods) && (!flags.HasFlag(InputFlags.NoLeadingPeriods) ||
!string.IsNullOrEmpty(newString)) && (!flags.HasFlag(InputFlags.NoRepeatingPeriods) || !newString.EndsWith(".")))))
{
if (shift)
{
newString += ">";
}
else
{
newString += ".";
}
}
}
else if (key == Keyboard.Keys.Decimal)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters) || (flags.HasFlag(InputFlags.AllowPeriods) && (!flags.HasFlag(InputFlags.NoLeadingPeriods) ||
!string.IsNullOrEmpty(newString)) && (!flags.HasFlag(InputFlags.NoRepeatingPeriods) || !newString.EndsWith("."))))
{
newString += ".";
}
}
else if (key == Keyboard.Keys.OemComma)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "<";
}
else
{
newString += ",";
}
}
}
else if (key == Keyboard.Keys.OemSemicolon)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters) || (shift && (flags.HasFlag(InputFlags.AllowColons) && (!flags.HasFlag(InputFlags.NoLeadingColons) ||
!string.IsNullOrEmpty(newString)) && (!flags.HasFlag(InputFlags.NoRepeatingColons) || !newString.EndsWith(":")))))
{
if (shift)
{
newString += ":";
}
else
{
newString += ";";
}
}
}
else if (key == Keyboard.Keys.OemTilde)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "@";
}
else
{
newString += "'";
}
}
}
else if (key == Keyboard.Keys.OemOpenBrackets)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "{";
}
else
{
newString += "[";
}
}
}
else if (key == Keyboard.Keys.OemCloseBrackets)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "}";
}
else
{
newString += "]";
}
}
}
else if (key == Keyboard.Keys.OemPlus)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "+";
}
else
{
newString += "=";
}
}
}
else if (key == Keyboard.Keys.OemMinus)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "_";
}
else
{
newString += "-";
}
}
}
else if (key == Keyboard.Keys.Oem8)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "¬";
}
else
{
newString += "`";
}
}
}
else if (key == Keyboard.Keys.OemPipe)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "|";
}
else
{
newString += "\\";
}
}
}
else if (key == Keyboard.Keys.OemQuotes)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "~";
}
else
{
newString += "#";
}
}
}
else if (key == Keyboard.Keys.OemQuestion)
{
if (!flags.HasFlag(InputFlags.NoSpecalCharacters))
{
if (shift)
{
newString += "?";
}
else
{
newString += "/";
}
}
}
else if (key == Keyboard.Keys.D1)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "!";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "1";
}
}
else if (key == Keyboard.Keys.D2)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "\"";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "2";
}
}
else if (key == Keyboard.Keys.D3)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "£";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "3";
}
}
else if (key == Keyboard.Keys.D4)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "$";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "4";
}
}
else if (key == Keyboard.Keys.D5)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "%";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "5";
}
}
else if (key == Keyboard.Keys.D6)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "^";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "6";
}
}
else if (key == Keyboard.Keys.D7)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "&";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "7";
}
}
else if (key == Keyboard.Keys.D8)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "*";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "8";
}
}
else if (key == Keyboard.Keys.D9)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += "(";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "9";
}
}
else if (key == Keyboard.Keys.D0)
{
if (shift && !flags.HasFlag(InputFlags.NoSpecalCharacters))
{
newString += ")";
}
else if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "0";
}
}
else if (key == Keyboard.Keys.NumPad0)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "0";
}
}
else if (key == Keyboard.Keys.NumPad1)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "1";
}
}
else if (key == Keyboard.Keys.NumPad2)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "2";
}
}
else if (key == Keyboard.Keys.NumPad3)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "3";
}
}
else if (key == Keyboard.Keys.NumPad4)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "4";
}
}
else if (key == Keyboard.Keys.NumPad5)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "5";
}
}
else if (key == Keyboard.Keys.NumPad6)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "6";
}
}
else if (key == Keyboard.Keys.NumPad7)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "7";
}
}
else if (key == Keyboard.Keys.NumPad8)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "8";
}
}
else if (key == Keyboard.Keys.NumPad9)
{
if (!flags.HasFlag(InputFlags.NoNumbers))
{
newString += "9";
}
}
else if (key == Keyboard.Keys.Space)
{
if (!flags.HasFlag(InputFlags.NoSpaces) && ((!flags.HasFlag(InputFlags.NoLeadingSpaces) ||
!string.IsNullOrEmpty(newString)) && (!flags.HasFlag(InputFlags.NoRepeatingSpaces) || !newString.EndsWith(" "))))
{
newString += " ";
}
}
else if (!flags.HasFlag(InputFlags.NoLetters))
{
newString += (((caps && !shift) || (!caps && shift)) ? key.ToString().ToUpper() : key.ToString().ToLower());
}
}
if (newString.Length > maxLength)
{
newString = newString.Substring(0, maxLength);
}
return(newString);
}
public string PromptEdit(string prompt = "", InputFlags flags = 0)
{
// WaitHandle.
ResetPageCount();
if (!string.IsNullOrWhiteSpace(prompt))
{
Out.Write(prompt);
}
Out.Flush();
string line = string.Empty;
char c = ' ';
while (c != '\r')
{
c = ReadChar();
// Trace.Write(string.Format("[Debug:ReadChar=%{0}]", (byte)c));
switch (c)
{
case Esc:
c = ReadChar();
if (c == '~') // DEL
{
if (line.Length > 0)
{
Out.Write("\b \b");
line = line.Remove(line.Length - 1, 1);
}
}
if (c == '[')
{
c = ReadChar();
}
break;
case (char)127:
case '\b':
// Backspace
if (line.Length > 0)
{
Out.Write("\b \b");
line = line.Remove(line.Length - 1, 1);
}
break;
// Ignore non-printables
case '\r':
case (char)0:
continue;
default:
line += c;
if (flags.HasFlag(InputFlags.Password))
{
Out.Write("*");
}
else
{
Out.Write(c);
}
break;
}
Out.Flush(); // interactive command editing
}
Out.WriteLine();
Out.Flush();
return(line);
}