code: def _settings_str(self):
          
          settings = "Automatically save changes: {}, " \
              "Show tray icon: {}, " \
              "Allow keyboard navigation: {}, " \
              "Sort by usage count: {}, " \
              "Enable undo using backspace: {}, " \
              "Tray icon theme: {}".format(
                 self.autosave_checkbox.isChecked(),
                 self.show_tray_checkbox.isChecked(),
                 self.allow_kb_nav_checkbox.isChecked(),
                 self.sort_by_usage_checkbox.isChecked(),
                 self.enable_undo_checkbox.isChecked(),
                 self.system_tray_icon_theme_combobox.currentData(Qt.UserRole)
              )
          return settings
docs: Returns a human readable settings representation for logging purposes.