Qt Reference Documentation

webview.cpp Example File

demos/embedded/anomaly/src/webview.cpp
 /****************************************************************************
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 ** This file is part of the demos of the Qt Toolkit.
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 ** General Public License version 3.0 as published by the Free Software
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 #include "webview.h"

 #include <QPaintEvent>
 #include <QWebFrame>

 WebView::WebView(QWidget *parent)
     : QWebView(parent)
     , inLoading(false)
 {
     connect(this, SIGNAL(loadStarted()), this, SLOT(newPageLoading()));
     connect(this, SIGNAL(loadFinished(bool)), this, SLOT(pageLoaded(bool)));
     page()->setPreferredContentsSize(QSize(1024, 768));
 }

 void WebView::paintEvent(QPaintEvent *event)
 {
     if (inLoading && loadingTime.elapsed() < 750) {
         QPainter painter(this);
         painter.setBrush(Qt::white);
         painter.setPen(Qt::NoPen);
         foreach (const QRect &rect, event->region().rects()) {
             painter.drawRect(rect);
         }
     } else {
         QWebView::paintEvent(event);
     }
 }

 void WebView::newPageLoading()
 {
     inLoading = true;
     loadingTime.start();
 }

 void WebView::pageLoaded(bool)
 {
     inLoading = false;
     update();
 }
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