[提问]添加QWebEngineView，在QLabel上动态画图事件经过QWebEngineVie不显示 [复制链接]

让QLabel与QWebEngineView叠加，QLabel设置最上层，且背景为透明。在Qlabel上的动态画图事件在经过QWebEngineView控件不显示画面。求解。

图片:图片1.png

相关代码
//
map_view = new QWebEngineView(this);
    // map_view->setStyleSheet("background-color:rgb(255,0,0)");
     map_view->page()->load(QUrl("qrc:/map/MAP/MapShow/MapShow.html"));    
map_view->setGeometry(0,0,400,400);     map_view->lower();

//
QPainter paint_Sev(ui->label_3);    
paint_Sev.setRenderHint(QPainter::Antialiasing);    
QConicalGradient gradient;    
gradient.setCenter(m_drawArea.center());    
gradient.setAngle(85-t+180); //渐变与旋转方向恰好相反，以扇形相反的边作为渐变角度。  
gradient.setColorAt(0.4,QColor(0,0,255,200));    
gradient.setColorAt(0.8,QColor(0,0,255,0));  
paint_Sev.setBrush(QBrush(gradient));  
paint_Sev.setPen(Qt::NoPen);

    if(bswitch)    {        paint_Sev.drawPie(m_drawArea,(85-t)*16,5*16);    }



//加载地图void frmMain::on_toolButton_map_clicked()
{    bswitch_map = !bswitch_map;  
if(bswitch_map == false)  
{        ui->label_3->setStyleSheet("background-color: rgb(0, 0, 0)");      
ui->toolButton_map->setText("加载地图");      
map_view->hide();    }  
else    {        
ui->label_3->setStyleSheet("background:transparent");
         map_view->show();        
map_view->lower();        
ui->label_3->raise();        
ui->toolButton_map->setText("取消地图");        // update();  
}
}

经过QWebEngineView控件不显示画面啥意思
我寻思吧网页放在上层不行吗 绘图自然就被挡住看不到