Set splash message

def set_splash(self, message):
        """Set splash message"""
        if self.splash is None:
            return
        if message:
            logger.info(message)
        self.splash.show()
        self.splash.showMessage(message, Qt.AlignBottom | Qt.AlignCenter |
                                Qt.AlignAbsolute, QColor(Qt.white))
        QApplication.processEvents()