qwebview不响应触屏,在qcombobox下拉时能响应一次,是什么原因呢

可爱电饭煲 2016-07-07 04:29:04

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可爱电饭煲 2017-11-09

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bool WebViewTest001::eventFilter(QObject *obj,QEvent *event) { //QMessageBox::information(NULL,"length",""+event->type(),NULL); switch (event->type()) { case QEvent::TouchBegin: case QEvent::TouchUpdate: case QEvent::TouchEnd: { QList<QTouchEvent::TouchPoint> touchPoints = static_cast<QTouchEvent *>(event)->touchPoints(); if (touchPoints.length()==1) { //label2.append("length()==1\n"); if (multiTouchStart) { multiTouchStart=false; /* double pointListArea1=ploygon_area(pointList1); double pointListArea2=ploygon_area(pointList2); label2.append("pointList1:"); foreach (const QPoint &point1, pointList1) { char point1Str[20]={0}; sprintf(point1Str,"%d,%d;",point1.x(),point1.y()); label2.append(point1Str); } char str1[50]={0}; sprintf(str1,"pointList1length:%d;\n",pointList1.length()); label2.append(str1); foreach (const QPoint &point2, pointList2) { char point2Str[20]={0}; sprintf(point2Str,"%d,%d;",point2.x(),point2.y()); label2.append(point2Str); } char str2[50]={0}; sprintf(str2,"pointList2length:%d;\n",pointList2.length()); label2.append(str2); char resultStr[255]={0}; sprintf(resultStr,"result1:%f,result2:%f;\n",pointListArea1,pointListArea2); label2.append(QString::fromLocal8Bit(resultStr)); if (pointListArea2>pointListArea1*1.1) { char temp[255] = {0}; sprintf (temp, "zoomIn()"); page()->mainFrame()->evaluateJavaScript(QString::fromLocal8Bit(temp)); } if (pointListArea2<pointListArea1*0.9) { char temp[255] = {0}; sprintf (temp, "zoomOut()"); page()->mainFrame()->evaluateJavaScript(QString::fromLocal8Bit(temp)); } */ int width1=multiTouchStartPoint1.x()-multiTouchStartPoint2.x(); int height1=multiTouchStartPoint1.y()-multiTouchStartPoint2.y(); int width2=multiTouchEndPoint1.x()-multiTouchEndPoint2.x(); int height2=multiTouchEndPoint1.y()-multiTouchEndPoint2.y(); double result1=sqrt(double(width1*width1) + (height1*height1)); double result2=sqrt(double(width2*width2) + (height2*height2)); // char resultStr[255]={0}; // sprintf(resultStr,"result1:%f,result2:%f;\n%d,%d;%d,%d;\n%d,%d;%d,%d;\n)",result1,result2,multiTouchStartPoint1.x(), // multiTouchStartPoint1.y(),multiTouchStartPoint2.x(),multiTouchStartPoint2.y(),multiTouchEndPoint1.x(), // multiTouchEndPoint1.y(),multiTouchEndPoint2.x(),multiTouchEndPoint2.y()); // label2.append(QString::fromLocal8Bit(resultStr)); if (result2>result1+10) { char temp[255] = {0}; sprintf (temp, "zoomIn()"); page()->mainFrame()->evaluateJavaScript(QString::fromLocal8Bit(temp)); } if (result2<result1-10) { char temp[255] = {0}; sprintf (temp, "zoomOut()"); page()->mainFrame()->evaluateJavaScript(QString::fromLocal8Bit(temp)); } } else { if (event->type() == QEvent::TouchBegin) { QList<QTouchEvent::TouchPoint>::const_iterator it= ((QTouchEvent*)event)->touchPoints().begin(); if (touchBeginTimerIsStop) { firstTouchPoint=it->pos().toPoint(); touchBeginTimerIsStop=false; touchBeginTimer.start(500); } else { touchBeginTimer.stop(); touchBeginTimerIsStop=true; secondTouchPoint=it->pos().toPoint(); char temp[255] = {0}; sprintf (temp, "zoomIn()"); page()->mainFrame()->evaluateJavaScript(QString::fromLocal8Bit(temp)); } cursor().setPos(it->pos().toPoint()); QMouseEvent *event = new QMouseEvent(QEvent::MouseButtonPress,it->pos().toPoint(),Qt::LeftButton,Qt::NoButton,Qt::NoModifier); QCoreApplication::sendEvent(focusWidget(),event); //QEvent *event2=new QMouseEvent(QEvent::Enter,it->pos().toPoint(),Qt::LeftButton,Qt::NoButton,Qt::NoModifier); //QCoreApplication::sendEvent(focusWidget(),event2); delete event; //delete event2; } if (event->type() == QEvent::TouchUpdate) { QList<QTouchEvent::TouchPoint>::const_iterator it= ((QTouchEvent*)event)->touchPoints().begin(); cursor().setPos(it->pos().toPoint()); QMouseEvent *event = new QMouseEvent(QEvent::MouseMove,it->pos().toPoint(),Qt::LeftButton,Qt::NoButton,Qt::NoModifier); QCoreApplication::sendEvent(focusWidget(),event); delete event; } if (event->type() == QEvent::TouchEnd) { QList<QTouchEvent::TouchPoint>::const_iterator it= ((QTouchEvent*)event)->touchPoints().begin(); cursor().setPos(it->pos().toPoint()); QMouseEvent *event = new QMouseEvent(QEvent::MouseButtonRelease,it->pos().toPoint(),Qt::LeftButton,Qt::NoButton,Qt::NoModifier); QCoreApplication::sendEvent(focusWidget(),event); delete event; } } } if (touchPoints.length()>=2) { //label2.append("length()>=2\n"); if (!multiTouchStart) { //label2.append("record 1\n"); multiTouchStart=true; int i=1; pointList1.clear(); foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) { // pointList1.push_back(touchPoint.pos().toPoint()); // char pointStr[20]={0}; // sprintf(pointStr,"%d,%d;\n",touchPoint.pos().toPoint().x(),touchPoint.pos().toPoint().y()); // // label2.append(pointStr); if (1==i) { multiTouchStartPoint1=touchPoint.pos().toPoint(); //label2.append("record 1-1\n"); } else if (2==i) { multiTouchStartPoint2=touchPoint.pos().toPoint(); //label2.append("record 1-1\n"); } else if (i>2) { break; } i++; } } else { //label2.append("record 2\n"); pointList2.clear(); int i=1; foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) { // pointList2.push_back(touchPoint.pos().toPoint()); // char pointStr[20]={0}; // sprintf(pointStr,"%d,%d;\n",touchPoint.pos().toPoint().x(),touchPoint.pos().toPoint().y()); // // label2.append(pointStr); if (1==i) { multiTouchEndPoint1=touchPoint.pos().toPoint(); //label2.append("record 2-1\n"); } else if (2==i) { multiTouchEndPoint2=touchPoint.pos().toPoint(); continue; //label2.append("record 2-2\n"); } else if (i>2) { break; } i++; } } } // // QString qs; // int i=1; // foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) // { // char temp[20]={0}; // // sprintf(temp,"%d:%d,%d;\n",i++,touchPoint.pos().toPoint().x(),touchPoint.pos().toPoint().y()); // qs.append(temp); // } // // label.setText(qs); foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) { switch (touchPoint.state()) { case Qt::TouchPointStationary: continue; default: { } break; } } break; } default: return QWidget::event(event); } return true; } 我写的自定义类，解决了触屏响应的问题