Formats a line of text to fit in the terminal window.
        For Tim.

def _format_line(self, line):
        '''
        Formats a line of text to fit in the terminal window.
        For Tim.
        '''
        delim = '\n'
        offset = 0
        self.string_parts = []

        # Split the line into an array of columns, e.g., ['0', '0x00000000',
        # 'Some description here']
        line_columns = line.split(None, self.num_columns - 1)
        if line_columns:
            # Find where the start of the last column (description) starts in the line of text.
            # All line wraps need to be aligned to this offset.
            offset = line.rfind(line_columns[-1])
            # The delimiter will be a newline followed by spaces padding out
            # the line wrap to the alignment offset.
            delim += ' ' * offset

        if line_columns and self.fit_to_screen and len(line) > self.SCREEN_WIDTH:
            # Calculate the maximum length that each wrapped line can be
            max_line_wrap_length = self.SCREEN_WIDTH - offset
            # Append all but the last column to formatted_line
            formatted_line = line[:offset]

            # Loop to split up line into multiple max_line_wrap_length pieces
            while len(line[offset:]) > max_line_wrap_length:
                # Find the nearest space to wrap the line at (so we don't split
                # a word across two lines)
                split_offset = line[
                    offset:offset + max_line_wrap_length].rfind(' ')
                # If there were no good places to split the line, just truncate
                # it at max_line_wrap_length
                if split_offset < 1:
                    split_offset = max_line_wrap_length

                self._append_to_data_parts(line, offset, offset + split_offset)
                offset += split_offset

            # Add any remaining data (guarunteed to be max_line_wrap_length
            # long or shorter) to self.string_parts
            self._append_to_data_parts(line, offset, offset + len(line[offset:]))

            # Append self.string_parts to formatted_line; each part seperated
            # by delim
            formatted_line += delim.join(self.string_parts)
        else:
            formatted_line = line

        return formatted_line