window.cpp Example File

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 #include <QWebElement>
 #include <QWebFrame>
 #include "window.h"

 Window::Window(QWidget *parent)
     : QWidget(parent)
 {
     setupUi(this);
 }

 void Window::on_elementLineEdit_returnPressed()
 {
     QWebFrame *frame = webView->page()->mainFrame();

     QWebElement document = frame->documentElement();
     QWebElementCollection elements = document.findAll(elementLineEdit->text());

     foreach (QWebElement element, elements)
         element.setAttribute("style", "background-color: #f0f090");
 }

 void Window::on_highlightButton_clicked()
 {
     on_elementLineEdit_returnPressed();
 }

 void Window::setUrl(const QUrl &url)
 {
     webView->setUrl(url);
 }