ToDoList.py 文件源码

def paintEvent(self, event):
        painter = QtGui.QPainter(self)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)
        pen = painter.pen()
        if self.active or self.hasFocus():
            pen.setColor(self.activeColor)
        else:
            pen.setColor(self.inactiveColor)
        pen.setWidth(3)
        pen.setCapStyle(QtCore.Qt.PenCapStyle.RoundCap)
        painter.setPen(pen)        
        polygon1 = QtGui.QPolygon()
        polygon1 << QtCore.QPoint(self.padding, self.padding) << QtCore.QPoint(self.width() - self.padding, self.height() - self.padding)
        polygon2 = QtGui.QPolygon()
        polygon2 << QtCore.QPoint(self.padding,self.height() - self.padding) << QtCore.QPoint(self.width() - self.padding, self.padding)

        polygon1.translate(0,1)
        polygon2.translate(0,1)
        painter.drawPolyline(polygon1)
        painter.drawPolyline(polygon2)