docs: def create_file(self):
          """
          Creates a file under the current directory.
          """
          src = self.get_current_path()
          name, status = QtWidgets.QInputDialog.getText(
              self.tree_view, _('Create new file'), _('File name:'),
              QtWidgets.QLineEdit.Normal, '')
          if status:
              fatal_names = ['.', '..', os.sep]
              for i in fatal_names:
                  if i == name:
                      QtWidgets.QMessageBox.critical(
                          self.tree_view, _("Error"), _("Wrong directory name"))
                      return
  
              if os.path.isfile(src):
                  src = os.path.dirname(src)
              path = os.path.join(src, name)
              try:
                  with open(path, 'w'):
                      pass
              except OSError as e:
                  QtWidgets.QMessageBox.warning(
                      self.tree_view, _('Failed to create new file'),
                      _('Failed to create file: "%s".\n\n%s') % (path, str(e)))
              else:
                  self.tree_view.file_created.emit(os.path.normpath(path))