def paintEvent(self,event):
painter = QPainter(self)
if self.hasUnderLine:
rect = self.tabRect(self.hoveredTab)
linesPath = QPainterPath()
linesPath.moveTo(QPoint(rect.x()+10,rect.height()-5))
linesPath.lineTo(QPoint(rect.x()-10+rect.width(),rect.height()-5))
linesPath.closeSubpath()
painter.setPen(QPen(QColor(170,200,200),6))
painter.drawPath(linesPath)
# 如果不是当前选中的页，在页标签下画线
if self.hoveredTab != self.currentIndex ():
if self.isTabEnabled(self.hoveredTab):
rect = self.tabRect(self.hoveredTab)
linesPath = QPainterPath()
linesPath.moveTo(QPoint(rect.x()+10,rect.height()-5))
linesPath.lineTo(QPoint(rect.x()-10+rect.width(),rect.height()-5))
linesPath.closeSubpath()
painter.setPen(QPen(QColor(170,200,200),6))
painter.drawPath(linesPath)
QTabBar.paintEvent(self,event)
