docs: def cut(self):
          """
          Cuts the selected text or the whole line if no text was selected.
          """
          tc = self.textCursor()
          helper = TextHelper(self)
          tc.beginEditBlock()
          no_selection = False
          sText = tc.selection().toPlainText()
          if not helper.current_line_text() and sText.count("\n") > 1:
              tc.deleteChar()
          else:
              if not self.textCursor().hasSelection():
                  no_selection = True
                  TextHelper(self).select_whole_line()
              super(CodeEdit, self).cut()
              if no_selection:
                  tc.deleteChar()
          tc.endEditBlock()
          self.setTextCursor(tc)