void RearrangeBox()
{
int offset = (_keyboardString.Length - DisplayText.Length);
int length = _keyboardString.Length - offset;
int lastCharSize = (int)LastChar.Size(TextFont).X;
DisplayText = _keyboardString.Substring(offset, _keyboardString.Length - offset);
float currentDisplayTextSize = DisplayText.Size(TextFont).X - lastCharSize;
while (IsOutOfBounds(currentDisplayTextSize) && length > 0)
{
DisplayText = _keyboardString.Substring(offset, length);
offset++;
length = _keyboardString.Length - offset;
currentDisplayTextSize = DisplayText.Size(TextFont).X - lastCharSize;
}
}
protected virtual bool IsOutOfBounds(float size)
{
Point lastCharSize = LastChar.Size(TextFont).ToPoint();
return(size + lastCharSize.X >= Width);
}