// Update pressed keys
private void UpdateInput()
{
OldKeyboardState = CurrentKeyboardState;
CurrentKeyboardState = Keyboard.GetState();
Keys[] PressedKeys;
PressedKeys = CurrentKeyboardState.GetPressedKeys();
foreach (Keys Key in PressedKeys)
{
if (OldKeyboardState.IsKeyUp(Key))
{
if (Key == Keys.Back && TextString.Length > 0) // backspace
{
TextString = TextString.Remove(TextString.Length - 1, 1);
}
else if (TextString.Length > 16)
{
break;
}
else if (Key == Keys.Space)
{
TextString = TextString.Insert(TextString.Length, " ");
}
else if (Key == Keys.OemQuotes) // apostrophe
{
TextString = TextString.Insert(TextString.Length, "\'");
}
else if (Key.ToString().Length == 1)
{
TextString += Key.ToString();
}
}
}
}
public void UpdateInput()
{
if (!this.IsFinished)
{
oldKeyboardState = currentKeyboardState;
currentKeyboardState = Keyboard.GetState();
Keys[] pressedKeys;
pressedKeys = currentKeyboardState.GetPressedKeys();
foreach (Keys key in pressedKeys)
{
if (oldKeyboardState.IsKeyUp(key))
{
if (key == Keys.Back && TextString.Length > 0)
{
TextString = TextString.Remove(TextString.Length - 1, 1);
}
else if (key == Keys.Space)
{
TextString = TextString.Insert(TextString.Length, " ");
}
else if (key == Keys.Enter)
{
this.IsFinished = true;
}
else
{
string keyString = key.ToString();
bool isUpperCase = ((Control.IsKeyLocked(System.Windows.Forms.Keys.CapsLock) &&
(!currentKeyboardState.IsKeyDown(Keys.RightShift) &&
!currentKeyboardState.IsKeyDown(Keys.LeftShift))) ||
(!Control.IsKeyLocked(System.Windows.Forms.Keys.CapsLock) &&
(currentKeyboardState.IsKeyDown(Keys.RightShift) ||
currentKeyboardState.IsKeyDown(Keys.LeftShift))));
if (keyString.Length == 1)
{
TextString += isUpperCase ? keyString.ToUpper() : keyString.ToLower();
}
}
}
}
}
}
protected override void OnKeyPressed(Reactive.KeyInput.Key pKey)
{
char newChar = pKey.Character;
switch (pKey.KeysValue)
{
case Keys.Back:
if (!string.IsNullOrEmpty(TextString) &&
_cursorPosition > 0)
{
_cursorPosition = _cursorPosition - 1;
TextString = TextString.Remove(_cursorPosition, 1);
}
break;
case Keys.Delete:
if (!string.IsNullOrEmpty(TextString) &&
TextString.Length > _cursorPosition)
{
TextString = TextString.Remove(_cursorPosition, 1);
}
break;
case Keys.Left:
_cursorPosition = _cursorPosition > 0 ? _cursorPosition - 1 : 0;
break;
case Keys.Right:
_cursorPosition = TextString.Length > _cursorPosition
? _cursorPosition + 1
: _cursorPosition;
break;
case Keys.Home:
_cursorPosition = 0;
break;
case Keys.End:
_cursorPosition = TextString.Length;
break;
default:
if ((int)pKey.Character >= 32)
{
if (string.IsNullOrEmpty(TextString))
{
TextString = pKey.Character.ToString();
}
else
if (_cursorPosition == TextString.Length)
{
TextString = TextString + pKey.Character.ToString();
}
else
{
TextString = TextString.Insert(_cursorPosition, pKey.Character.ToString());
}
_cursorPosition++;
}
break;
}
ResetMillisecondTimer();
SetCursorCoordinatesPosition();
}
