Foro de elhacker.net

#include <QtGui>
#include "mainwindow.h"
 
int main(int argc, char * argv[])
{
    QApplication app(argc, argv);
    MainWindow browser;
    browser.show();
    return app.exec();
}

#include <QtGui>
 
class QWebView;
QT_BEGIN_NAMESPACE
class QLineEdit;
QT_END_NAMESPACE
 
//! [1]
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    MainWindow();
 
protected slots:
 
    void adjustLocation();
    void changeLocation();
    void adjustTitle();
    void setProgress(int p);
    void finishLoading(bool);
 
    void highlightAllLinks();
    void rotateImages(bool invert);
    void removeGifImages();
    void removeInlineFrames();
    void removeObjectElements();
    void removeEmbeddedElements();
 
private:
    QString jQuery;
    QWebView *view;
    QLineEdit *locationEdit;
    QAction *rotateAction;
    int progress;
//! [1]
};

#include <QtGui>
#include <QtWebKit>
#include "mainwindow.h"
 
//! [1]
 
MainWindow::MainWindow()
{
    progress = 0;
 
    QFile file;
    file.setFileName(":/jquery.min.js");
    file.open(QIODevice::ReadOnly);
    jQuery = file.readAll();
    file.close();
//! [1]
 
    QNetworkProxyFactory::setUseSystemConfiguration(true);
 
//! [2]
    view = new QWebView(this);
    view->load(QUrl("http://www.google.com/ncr"));
    connect(view, SIGNAL(loadFinished(bool)), SLOT(adjustLocation()));
    connect(view, SIGNAL(titleChanged(QString)), SLOT(adjustTitle()));
    connect(view, SIGNAL(loadProgress(int)), SLOT(setProgress(int)));
    connect(view, SIGNAL(loadFinished(bool)), SLOT(finishLoading(bool)));
 
    locationEdit = new QLineEdit(this);
    locationEdit->setSizePolicy(QSizePolicy::Expanding, locationEdit->sizePolicy().verticalPolicy());
    connect(locationEdit, SIGNAL(returnPressed()), SLOT(changeLocation()));
 
    QToolBar *toolBar = addToolBar(tr("Navigation"));
    toolBar->addAction(view->pageAction(QWebPage::Back));
    toolBar->addAction(view->pageAction(QWebPage::Forward));
    toolBar->addAction(view->pageAction(QWebPage::Reload));
    toolBar->addAction(view->pageAction(QWebPage::Stop));
    toolBar->addWidget(locationEdit);
//! [2]
 
//! [3]
    QMenu *effectMenu = menuBar()->addMenu(tr("&Effect"));
    effectMenu->addAction("Highlight all links", this, SLOT(highlightAllLinks()));
 
    rotateAction = new QAction(this);
    rotateAction->setIcon(style()->standardIcon(QStyle::SP_FileDialogDetailedView));
    rotateAction->setCheckable(true);
    rotateAction->setText(tr("Turn images upside down"));
    connect(rotateAction, SIGNAL(toggled(bool)), this, SLOT(rotateImages(bool)));
    effectMenu->addAction(rotateAction);
 
    QMenu *toolsMenu = menuBar()->addMenu(tr("&Tools"));
    toolsMenu->addAction(tr("Remove GIF images"), this, SLOT(removeGifImages()));
    toolsMenu->addAction(tr("Remove all inline frames"), this, SLOT(removeInlineFrames()));
    toolsMenu->addAction(tr("Remove all object elements"), this, SLOT(removeObjectElements()));
    toolsMenu->addAction(tr("Remove all embedded elements"), this, SLOT(removeEmbeddedElements()));
 
    setCentralWidget(view);
    setUnifiedTitleAndToolBarOnMac(true);
}
//! [3]
 
//! [4]
void MainWindow::adjustLocation()
{
    locationEdit->setText(view->url().toString());
}
 
void MainWindow::changeLocation()
{
    QUrl url = QUrl(locationEdit->text());
    view->load(url);
    view->setFocus();
}
//! [4]
 
//! [5]
void MainWindow::adjustTitle()
{
    if (progress <= 0 || progress >= 100)
        setWindowTitle(view->title());
    else
        setWindowTitle(QString("%1 (%2%)").arg(view->title()).arg(progress));
}
 
void MainWindow::setProgress(int p)
{
    progress = p;
    adjustTitle();
}
//! [5]
 
//! [6]
void MainWindow::finishLoading(bool)
{
    progress = 100;
    adjustTitle();
    view->page()->mainFrame()->evaluateJavaScript(jQuery);
 
    rotateImages(rotateAction->isChecked());
}
//! [6]
 
//! [7]
void MainWindow::highlightAllLinks()
{
    QString code = "$('a').each( function () { $(this).css('background-color', 'yellow') } )";
    view->page()->mainFrame()->evaluateJavaScript(code);
}
//! [7]
 
//! [8]
void MainWindow::rotateImages(bool invert)
{
    QString code;
    if (invert)
        code = "$('img').each( function () { $(this).css('-webkit-transition', '-webkit-transform 2s'); $(this).css('-webkit-transform', 'rotate(180deg)') } )";
    else
        code = "$('img').each( function () { $(this).css('-webkit-transition', '-webkit-transform 2s'); $(this).css('-webkit-transform', 'rotate(0deg)') } )";
    view->page()->mainFrame()->evaluateJavaScript(code);
}
//! [8]
 
//! [9]
void MainWindow::removeGifImages()
{
    QString code = "$('[src*=gif]').remove()";
    view->page()->mainFrame()->evaluateJavaScript(code);
}
 
void MainWindow::removeInlineFrames()
{
    QString code = "$('iframe').remove()";
    view->page()->mainFrame()->evaluateJavaScript(code);
}
 
void MainWindow::removeObjectElements()
{
    QString code = "$('object').remove()";
    view->page()->mainFrame()->evaluateJavaScript(code);
}
 
void MainWindow::removeEmbeddedElements()
{
    QString code = "$('embed').remove()";
    view->page()->mainFrame()->evaluateJavaScript(code);
}
//! [9]

!symbian: error(Only include this file for Symbian platforms)

RSS_RULES ="group_name=\"QtExamples\";"

vendorinfo = \
    "; Localised Vendor name" \
    "%{\"Nokia, Qt\"}" \
    " " \
    "; Unique Vendor name" \
    ":\"Nokia, Qt\"" \
    " "

default_deployment.pkg_prerules += vendorinfo

isEmpty(ICON):ICON = $$QT_SOURCE_TREE/src/s60installs/qt.svg