fit_options.py 文件源码

def _str_handler(self):
        """
        Handler for string values. Parses QLineEdit.
        """

        current = self._select_widget.text()
        try:
            new_value = current.strip()
            if new_value == "":
                raise ValueError
            color = "#FFFFFF"
            self._current_value = new_value
            self._valid = True
        except ValueError:
            color = "#FFB6C1"
            self._valid = False

        self._select_widget.setStyleSheet("QLineEdit {{ background-color: {} }}".format(color))