ToDoList.py 文件源码

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

        pieRect = QtCore.QRect(1, 1, self.width()-2, self.height()-2)
        startAngle = 0 * 16

        if self.currentIndex() == 0:
            # STATUS = WAITING
            painter.drawEllipse(pieRect)
        elif self.currentIndex() == 1:
            # STATUS = IN PROGGRESS
            painter.setPen(QtGui.QColor(0,0,0,0))
            painter.setBrush(QtGui.QColor(255, 140, 30))
            startAngle = 90 * 16
            spanAngle = self.currentIndex() * 270 * 16
            painter.drawPie(pieRect, startAngle, spanAngle)
        elif self.currentIndex() == 2:
            # STATUS = FINISHED
            painter.setPen(QtGui.QColor(0,0,0,0))
            painter.setBrush(QtGui.QColor('darkGreen'))
            spanAngle = self.currentIndex() * 360 * 16
            painter.drawPie(pieRect, startAngle, spanAngle)