def _create_label_widget_in_grid(self, string_label: str, font: QtGui.QFont, 
                                     grid: QtWidgets.QGridLayout, row: int, col: int, 
                                     alignment: Qt.Alignment) -> None:
        label = QtWidgets.QLabel()
        label.setText(string_label)
        label.setFont(font)
        label.setContentsMargins(0,0,0,0)
        grid.addWidget(label, row, col, alignment) 

def updateUI(self):
        theme = self.m_themeComboBox.itemData(
            self.m_themeComboBox.currentIndex())

        if self.m_charts[0].chart().theme() != theme:
            for chartView in self.m_charts:
                chartView.chart().setTheme(theme)

            pal = self.window().palette()

            if theme == QChart.ChartThemeLight:
                pal.setColor(QPalette.Window, QColor(0xf0f0f0))
                pal.setColor(QPalette.WindowText, QColor(0x404044))
            elif theme == QChart.ChartThemeDark:
                pal.setColor(QPalette.Window, QColor(0x121218))
                pal.setColor(QPalette.WindowText, QColor(0xd6d6d6))
            elif theme == QChart.ChartThemeBlueCerulean:
                pal.setColor(QPalette.Window, QColor(0x40434a))
                pal.setColor(QPalette.WindowText, QColor(0xd6d6d6))
            elif theme == QChart.ChartThemeBrownSand:
                pal.setColor(QPalette.Window, QColor(0x9e8965))
                pal.setColor(QPalette.WindowText, QColor(0x404044))
            elif theme == QChart.ChartThemeBlueNcs:
                pal.setColor(QPalette.Window, QColor(0x018bba))
                pal.setColor(QPalette.WindowText, QColor(0x404044))
            elif theme == QChart.ChartThemeHighContrast:
                pal.setColor(QPalette.Window, QColor(0xffab03))
                pal.setColor(QPalette.WindowText, QColor(0x181818))
            elif theme == QChart.ChartThemeBlueIcy:
                pal.setColor(QPalette.Window, QColor(0xcee7f0))
                pal.setColor(QPalette.WindowText, QColor(0x404044))
            else:
                pal.setColor(QPalette.Window, QColor(0xf0f0f0))
                pal.setColor(QPalette.WindowText, QColor(0x404044))

            self.window().setPalette(pal)

        checked = self.m_antialiasCheckBox.isChecked()
        for chartView in self.m_charts:
            chartView.setRenderHint(QPainter.Antialiasing, checked)

        options = QChart.AnimationOptions(
            self.m_animatedComboBox.itemData(
                self.m_animatedComboBox.currentIndex()))

        if self.m_charts[0].chart().animationOptions() != options:
            for chartView in self.m_charts:
                chartView.chart().setAnimationOptions(options)

        alignment = self.m_legendComboBox.itemData(
            self.m_legendComboBox.currentIndex())

        for chartView in self.m_charts:
            legend = chartView.chart().legend()

            if alignment == 0:
                legend.hide()
            else:
                legend.setAlignment(Qt.Alignment(alignment))
                legend.show()