util.py 文件源码

def set_allow_negative(self, allow):
        self._allow_negative = allow
        if allow:
            self.setInputMask('X9:99:99.999')
            self.setValidator(
                QtGui.QRegExpValidator(
                    QtCore.QRegExp(r'[+-]\d:\d\d:\d\d\.\d\d\d'),
                    self.parent()))
        else:
            self.setInputMask('9:99:99.999')
        self.reset_text()