//消息過(guò)濾，主要用于重繪子控件，過(guò)濾Paint事件
 bool QAPRTCurWidget::eventFilter(QObject *watched, QEvent *event)
 {
     if(watched==ui->widget_rxtx && event->type()==QEvent::Paint)
     {
         updateWidgetRTX();
     }
     return QFrame::eventFilter(watched,event);
 }

//繪圖操作
 void QAPRTCurWidget::updateWidgetRTX()
 {
     QPainter painter(ui->widget_rxtx);
     painter.setFont(QFont("Times", , QFont::Bold));
     //繪制背景顏色
     painterBackground(painter);
     //畫最左邊一條虛線，用于和List隔開
     painterLeftDashLine(painter);
     //畫縱坐標(biāo)文本標(biāo)識(shí)
     updateVTextID(painter);
     //畫縱坐標(biāo)文本刻度以及橫縱坐標(biāo)軸
     updateVTextMarkAndCoord(painter);
     //畫RX曲線
     paintRXLineInfo(painter);
     //畫TX曲線
     paintTXLineInfo(painter);
 }

//畫縱坐標(biāo)文本刻度以及橫縱坐標(biāo)軸
 void QAPRTCurWidget::updateVTextMarkAndCoord(QPainter &painter)
 {
     painter.save();
     //繪圖區(qū)間的實(shí)際高度(部件高度-頂部間隔-底部間隔)
     int nActPaintHeight = ui->widget_rxtx->height()-INTERVAL_WIDGET_TOP-INTERVAL_WIDGET_BOTTOM;
     //每隔的間隔高度
     float fIntervalHeight = ((float)nActPaintHeight)/(m_nVSingleLinePointCount-);
     float fYPointForZero = ui->widget_rxtx->height()-INTERVAL_WIDGET_BOTTOM;
     double dDivideValue = ;
     if(ui->toolButton_rxflow->isChecked())
     {
         dDivideValue = ((double)nRXMaxValue)/(m_nVSingleLinePointCount-);
     }
     if(ui->toolButton_txflow->isChecked())
     {
         dDivideValue = ((double)nTXMaxValue)/(m_nVSingleLinePointCount-);
     }
     for(int nIndex=;nIndex<m_nVSingleLinePointCount;++nIndex)
     {
         //設(shè)置文本顏色
         painter.setPen(TEXTCOLOR_WIDGET_PAINT);
         //將原來(lái)的字體變小，設(shè)置為8
         QFont objFont = painter.font();
         objFont.setPointSize();
         painter.setFont(objFont);
         //畫文本，加3的目的是為了是其和橫線能保持中間持平
         painter.drawText(INTERVAL_VMARK_LEFT,fYPointForZero-nIndex*fIntervalHeight+,QCommonOP::getKMStrForBit(dDivideValue*nIndex));
         //設(shè)置橫線顏色
         painter.setPen(COORDCOLOR_WIDGET_PAINT);
         //畫橫線(第一條和最后一條為實(shí)線,中間的為虛線)
         QPen objPen = painter.pen();
         if(==nIndex || (m_nVSingleLinePointCount-)==nIndex)
         {
            objPen.setStyle(Qt::SolidLine);
         }
         else
         {
             objPen.setStyle(Qt::DashLine);
         }
         painter.setPen(objPen);
         float x1 = ui->widget_rxtx->width()-INTERVAL_WIDGET_RIGHT;
         float y1 = fYPointForZero-nIndex*fIntervalHeight;
         painter.drawLine(INTERVAL_HCOORD_LEFT,fYPointForZero-nIndex*fIntervalHeight,x1,y1);
     }
     int nActPaintWidth = ui->widget_rxtx->width()-INTERVAL_HCOORD_LEFT-INTERVAL_WIDGET_RIGHT;
     //每隔的間隔高度--橫向:注意使用(float)nActPaintWidth)作為分子，即浮點(diǎn)數(shù)
     float fIntervalWidth = ((float)nActPaintWidth)/(m_nHSingleLinePointCount-);
     for(int nIndex=;nIndex<m_nHSingleLinePointCount;++nIndex)
     {
         QPen objPen = painter.pen();
         if(==nIndex || (m_nHSingleLinePointCount-)==nIndex)
         {
            objPen.setStyle(Qt::SolidLine);
         }
         else
         {
             objPen.setStyle(Qt::DashLine);
         }
         painter.setPen(objPen);
         int nXPoint = INTERVAL_HCOORD_LEFT+nIndex*fIntervalWidth;
         painter.drawLine(nXPoint,INTERVAL_WIDGET_TOP,nXPoint,ui->widget_rxtx->height()-INTERVAL_WIDGET_BOTTOM);
     }
     painter.restore();
 }