How to use the silx.gui.qt.QLabel function in silx

def __init__(self, parent=None):
        qt.QWidget.__init__(self, parent)

        layout1 = qt.QHBoxLayout(self)

        self.TextLabel = qt.QLabel(self)
        self.TextLabel.setText("TextLabel")

        self.Entry = qt.QLineEdit(self)
        layout1.addWidget(self.TextLabel)
        layout1.addWidget(self.Entry)

def __init__(self, text, parent=None):
        """

        :param text: the legend
        :param parent: the Qt parent if any
        """
        qt.QLabel.__init__(self, text, parent)
        self.setLayout(qt.QVBoxLayout())
        self.layout().setContentsMargins(0, 0, 0, 0)

def __createInfoLayout(self, parent):
        layout = qt.QGridLayout()

        header = qt.QLabel(parent=parent)
        header.setText("Time: ")
        label = qt.QLabel(parent=parent)
        label.setText("")
        layout.addWidget(header, 0, 0)
        layout.addWidget(label, 0, 1)
        self.__timeLabel = label

        header = qt.QLabel(parent=parent)
        header.setText("Nb polygons: ")
        label = qt.QLabel(parent=parent)
        label.setText("")
        layout.addWidget(header, 2, 0)
        layout.addWidget(label, 2, 1)
        self.__polygonsLabel = label

        header = qt.QLabel(parent=parent)
        header.setText("Nb points: ")
        label = qt.QLabel(parent=parent)
        label.setText("")
        layout.addWidget(header, 1, 0)
        layout.addWidget(label, 1, 1)
        self.__pointsLabel = label

        return layout

def __init__(self, parent=None, n=None):
        qt.QWidget.__init__(self, parent)
        self.layout = qt.QHBoxLayout(self)
        self.layout.setContentsMargins(0, 2, 0, 2)
        self.layout.setSpacing(10)

        self.rowsCB = qt.QComboBox(self)
        self.columnsCB = qt.QComboBox(self)

        self.layout.addWidget(qt.QLabel("Rows dimension", self))
        self.layout.addWidget(self.rowsCB)
        self.layout.addWidget(qt.QLabel("    ", self))
        self.layout.addWidget(qt.QLabel("Columns dimension", self))
        self.layout.addWidget(self.columnsCB)
        self.layout.addStretch(1)

        self._slotsAreConnected = False
        if n is not None:
            self.setNDimensions(n)

def __init__(self, parent=None):
        qt.QWidget.__init__(self, parent=parent)

        self._nPoints = qt.QSpinBox(self)
        self._nPoints.setRange(1, 9999)
        self._nPoints.setValue(1024)
        self._nPoints.valueChanged[int].connect(self.__widgetChanged)

        layout = qt.QHBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        label = qt.QLabel('Samples:')
        label.setToolTip("Number of sample points of the profile")
        layout.addWidget(label)
        layout.addWidget(self._nPoints)

main_panel.setLayout(qt.QVBoxLayout())

        layout = main_panel.layout()
        layout.addWidget(qt.QLabel("WaitingPushButton"))
        layout.addWidget(self.createWaitingPushButton())
        layout.addWidget(self.createWaitingPushButton2())

        layout.addWidget(qt.QLabel("ThreadPoolPushButton"))
        layout.addWidget(self.createThreadPoolPushButton())

        layout.addWidget(qt.QLabel("RangeSlider"))
        layout.addWidget(self.createRangeSlider())
        layout.addWidget(self.createRangeSliderWithBackground())

        panel = self.createLegendIconPanel(self)
        layout.addWidget(qt.QLabel("LegendIconWidget"))
        layout.addWidget(panel)

        panel = self.createElidedLabelPanel(self)
        layout.addWidget(qt.QLabel("ElidedLabel"))
        layout.addWidget(panel)

        self.setCentralWidget(main_panel)

def getEditor(self, parent, option, index):
        layout = qt.QHBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)
        layout.addWidget(qt.QLabel('0'))
        layout.addStretch(1)
        layout.addWidget(qt.QLabel('1'))

        editor = qt.QWidget(parent)
        editor.setLayout(layout)
        return editor

def _initTransparencyWidget(self):
        """ Init the mask transparency widget """
        transparencyWidget = qt.QWidget(parent=self)
        grid = qt.QGridLayout()
        grid.setContentsMargins(0, 0, 0, 0)
        self.transparencySlider = qt.QSlider(qt.Qt.Horizontal, parent=transparencyWidget)
        self.transparencySlider.setRange(3, 10)
        self.transparencySlider.setValue(8)
        self.transparencySlider.setToolTip(
                'Set the transparency of the mask display')
        self.transparencySlider.valueChanged.connect(self._updateColors)
        grid.addWidget(qt.QLabel('Display:', parent=transparencyWidget), 0, 0)
        grid.addWidget(self.transparencySlider, 0, 1, 1, 3)
        grid.addWidget(qt.QLabel('<small><b>Transparent</b></small>', parent=transparencyWidget), 1, 1)
        grid.addWidget(qt.QLabel('<small><b>Opaque</b></small>', parent=transparencyWidget), 1, 3)
        transparencyWidget.setLayout(grid)
        return transparencyWidget

def __init__(self, parent=None):
        qt.QWidget.__init__(self, parent)
        self.resize(373, 44)

        textfieldlayout = qt.QHBoxLayout(self)
        layout2 = qt.QHBoxLayout(None)
        layout2.setContentsMargins(0, 0, 0, 0)
        layout2.setSpacing(6)
        spacer = qt.QSpacerItem(20, 20,
                                qt.QSizePolicy.Expanding, qt.QSizePolicy.Minimum)
        layout2.addItem(spacer)

        self.TextLabel = qt.QLabel(self)

        self.TextLabel.setText(str("TextLabel"))
        layout2.addWidget(self.TextLabel)
        spacer_2 = qt.QSpacerItem(20, 20,
                                  qt.QSizePolicy.Expanding, qt.QSizePolicy.Minimum)
        layout2.addItem(spacer_2)
        textfieldlayout.addLayout(layout2)