Qt Reference Documentation

# webview.cpp Example File

demos/embedded/anomaly/src/webview.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the demos of the Qt Toolkit.
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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();
     }