docs: def get_line(cls, parent, current_line, line_count):
          """
          Gets user selected line.
  
          :param parent: Parent widget
          :param current_line: Current line number
          :param line_count: Number of lines in the current text document.
  
          :returns: tuple(line, status) status is False if the dialog has been
              rejected.
          """
          dlg = DlgGotoLine(parent, current_line + 1, line_count)
          if dlg.exec_() == dlg.Accepted:
              return dlg.spinBox.value() - 1, True
          return current_line, False