public static TypedKey GetTypedLetter(this KeyboardState keyboardState)
{
var keysDown = keyboardState.GetKeysDown();
var typedKey = new TypedKey()
{
Key = keysDown.Length > 0 ? keysDown[0] : Keys.None,
CapsLock = keyboardState.CapsLock,
String = "",
};
if (keysDown.Length == 0)
{
return(typedKey);
}
var pressedKeys = keyboardState.GetPressedKeys();
foreach (var pressedKey in pressedKeys)
{
switch (pressedKey)
{
case Keys.LeftShift:
case Keys.RightShift:
typedKey.Shift = true;
break;
case Keys.LeftControl:
case Keys.RightControl:
typedKey.Ctrl = true;
break;
case Keys.LeftAlt:
case Keys.RightAlt:
typedKey.Alt = true;
break;
}
}
if (typedKey.Key >= Keys.A && typedKey.Key <= Keys.Z)
{
typedKey.String = char.ConvertFromUtf32((int)typedKey.Key);
if (typedKey.Shift == typedKey.CapsLock)
{
typedKey.String = typedKey.String.ToLower();
}
}
else if (typedKey.Key >= Keys.D0 && typedKey.Key <= Keys.D9)
{
typedKey.String = char.ConvertFromUtf32(((int)typedKey.Key - (int)Keys.D0) + '0');
}
else if (typedKey.Key >= Keys.NumPad0 && typedKey.Key <= Keys.NumPad9)
{
typedKey.String = char.ConvertFromUtf32(((int)typedKey.Key - (int)Keys.NumPad0) + '0');
}
else if (typedKey.Key == Keys.Space)
{
typedKey.String = " ";
}
return(typedKey);
}