qtRangeSlider.py 文件源码

def paintEvent(self, event):
        painter = QtGui.QPainter(self)
        w = self.width()
        h = self.height()

        # background
        painter.setPen(QtCore.Qt.gray)
        painter.setBrush(QtCore.Qt.lightGray)
        painter.drawRect(2, 2, w-4, h-4)

        # range bar
        painter.setPen(QtCore.Qt.darkGray)
        painter.setBrush(QtCore.Qt.darkGray)
        painter.drawRect(self.display_min-1, 5, self.display_max-self.display_min+2, h-10)

        # min & max tabs
        painter.setPen(QtCore.Qt.black)
        painter.setBrush(QtCore.Qt.gray)
        painter.drawRect(self.display_min-self.bar_width, 1, self.bar_width, h-2)

        painter.setPen(QtCore.Qt.black)
        painter.setBrush(QtCore.Qt.gray)
        painter.drawRect(self.display_max, 1, self.bar_width, h-2)

    ## rangeSliderSize
    #
    # @return The current width of the slider widget.
    #