Initializes the Widget ui.

def __initialize_ui(self):
        """
        Initializes the Widget ui.
        """

        self.Lines_Columns_label.setAlignment(Qt.AlignRight)
        self.Lines_Columns_label.setText(self.__Lines_Columns_label_default_text.format(1, 1))

        self.Languages_comboBox.setModel(self.__container.languages_model)

        # Signals / Slots.
        self.Languages_comboBox.currentIndexChanged.connect(self.__Languages_comboBox__currentIndexChanged)