class StatusWidgetBar(QtGui.QComboBox):
    def __init__(self, parent=None):
        super(StatusWidgetBar, self).__init__(parent)
        self.setToolTip('status (click to edit)')
        self.addItems(['waiting', 'in progress', 'finished'])


    def paintEvent(self, event):
        painter = QtGui.QPainter(self)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)
        parent = self.parentWidget()
        progress = self.currentIndex() * .5

        painter.setPen(QtGui.QColor(0,0,0,0))
        if progress <= .5:
            painter.setBrush(QtGui.QColor(255, 140, 30))
        else:
            painter.setBrush(QtGui.QColor('darkGreen'))

        barRect = QtCore.QRect(0, 0, (self.width()) * progress, self.height())
        painter.drawRect(barRect)