class MySlider(QSlider):
    def __init__(self, type, parent=None):
        super(MySlider, self).__init__(parent)
        self.Type = type

    def paintEvent(self, event):
        super(MySlider, self).paintEvent(event)
        qp = QPainter(self)
        pen = QPen()
        pen.setWidth(2)
        pen.setColor(Qt.red)

        qp.setPen(pen)
        font = QFont('Times', 10)
        qp.setFont(font)
        self.setContentsMargins(50, 50, 50, 50)
        # size = self.size()
        # print(size)
        # print("margins", self.getContentsMargins())
        # print(self.getContentsMargins())
        # print(self.contentsRect())
        contents = self.contentsRect()
        self.setFixedSize(QSize(slider_x, slider_y))
        max_slider = self.maximum()
        min_slider = self.minimum()
        y_inc = 0
        for i in range(max_slider):
            qp.drawText(contents.x() - font.pointSize(), y_inc + font.pointSize() / 2, '{0:2}'.format(slider_step[i]))
            qp.drawLine(contents.x() + font.pointSize(), y_inc, contents.x() + contents.width(), y_inc)
            y_inc += slider_y/4

        Comp4 = self.createSlider("step_size")
        Comp5 = self.createSlider("speed")
        # Size might be fixed too
        windowLayout = QGridLayout()
        windowLayout.setContentsMargins(50, 50, 50, 50)
        HGroupBox = QGroupBox()
        layout = QGridLayout()
        layout.addWidget(Comp4, 0, 0)
        layout.addWidget(Comp5, 0, 1)
        HGroupBox.setLayout(layout)
        HGroupBox.setFixedSize(QSize(740, 480))
        windowLayout.addWidget(HGroupBox, 1, 1)
        self.setLayout(windowLayout)
        self.show()

    def createSlider(self, variant):
        Slider = MySlider(Qt.Vertical)
        Slider.Type = variant
        Slider.setMaximum(5)
        Slider.setMinimum(1)
        Slider.setSingleStep(1)
        Slider.setTickInterval(1)
        Slider.valueChanged.connect(lambda: self.sliderChanged(Slider))
        return Slider