C++ QTextBrowser::setSource方法代码示例

void ViewHelpMenu::showLicense()
{  
  QDialog b(this,Qt::Tool);
  b.setModal(true);
  QPixmap logo = ViewerIcon::getPixmap( "gnu.png");
  QLabel * llogo = new QLabel(&b);
  llogo->setGeometry(QRect(QPoint(0,0),logo.size()));
  llogo->setPixmap(logo);
  b.setMinimumSize(QSize(logo.width()*4,logo.height()));
  b.setWindowTitle("License");
  QTextBrowser * lictext = new QTextBrowser(&b);
  QFont f("Courrier", 8);
  lictext->setFont( f );
  lictext->setGeometry(QRect(logo.width(),0,logo.width()*3,logo.height()));
  // lictext->setHScrollBarMode(QScrollView::AlwaysOff);
  lictext->setLineWidth(0);
  /* QPalette pal = lictext->palette();
  QColorGroup c = pal.active();
  c.setColor(QColorGroup::Background,QColor(255,255,255));
  pal.setActive(c);
  lictext->setPalette(pal);*/
  QString copyright((TOOLS(getPlantGLDir())+"/share/plantgl/LICENSE").c_str());
  if(QFileInfo(copyright).exists() ) 
	  lictext->setSource(copyright);
  QSize s = qApp->desktop()->size();
  s = s - b.size();
  s /= 2;
  b.move(s.width(),s.height()); 
  b.exec();
}

void HelpWidget::setupUi()
{
   QVBoxLayout * vb = new QVBoxLayout;
   QTextBrowser * browser = new QTextBrowser(this);

   QString appExe = qApp->applicationDirPath();

   browser->setSource(QUrl("file:///" + appExe + "/tutorial/help/index.htm"));
   vb->addWidget(browser);
   setLayout(vb);
}

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

//! [0]
    QTextBrowser browser;
    QColor linkColor(Qt::red);
    QString sheet = QString::fromLatin1("a { text-decoration: underline; color: %1 }").arg(linkColor.name());
    browser.document()->setDefaultStyleSheet(sheet);
//! [0]
    browser.setSource(QUrl("../../../html/index.html"));
    browser.resize(800, 600);
    browser.show();

    return app.exec();
}

void MainWindow2::init_gui()
{
	// create own menus
	menus["&File"]->addAction( actionFileNew );
	menus["&File"]->addSeparator();
	menus["&File"]->addAction( actionQuit );
	menus["&Edit"];
	menus["&Navigation"];
	menus["&Search"];
	menus["&Configuration"];
	menus["&Help"]->addAction( actionQtTopics );
	menus["&Help"]->addAction( actionAbout );

	// toolbars
	toolbars["File"]->addAction( actionFileNew );
	toolbars["File"]->addAction( actionQtTopics );

	// show the stuff on screen
	updateGUI( this );

	// make the tab widget
	tabWidget = new qmdiTabWidget;
	tabNewBtn = new QToolButton(tabWidget);
        tabNewBtn->setAutoRaise( true );
        connect( tabNewBtn, SIGNAL(clicked()), this, SLOT(fileNew()));
	tabNewBtn->setIcon(QIcon(":images/addtab.png"));
	
	tabCloseBtn = new QToolButton(tabWidget);
        tabCloseBtn->setAutoRaise( true );
        connect( tabCloseBtn, SIGNAL(clicked()), this, SLOT(fileClose()));
	tabCloseBtn->setIcon(QIcon(":images/closetab.png"));
	
	tabWidget->setCornerWidget( tabNewBtn, Qt::TopLeftCorner );
	tabWidget->setCornerWidget( tabCloseBtn, Qt::TopRightCorner  );
	setCentralWidget( tabWidget );

	// feed it with a default widget, this browser is a
	// non mdi client, and will add no new menus nor toolbars
	QTextBrowser *browser = new QTextBrowser;
	browser->setObjectName("welcome_tab");
	browser->setSource( QUrl(":mdi-tab.html") );
	tabWidget->addTab( browser, "Welcome" );
}

TupAbout::TupAbout(QWidget *parent) : TabDialog(Cancel, parent)
{
    setWindowTitle(tr("About") + QString(" Tupi"));
    setFixedSize(525, 458);

    QString lang = "en";
    if (QString(QLocale::system().name()).length() > 1)
        lang = QString(QLocale::system().name()).left(2);

    Qt::WindowFlags flags = 0;
    flags = Qt::Dialog;
    flags |= Qt::CustomizeWindowHint;
    setWindowFlags(flags);

    //1: Credits
    /*
    QFile creditsFile(DATA_DIR + "credits.txt");
    QString creditsText;
    if (creditsFile.open(QIODevice::ReadOnly)) {
        QTextStream stream(&creditsFile);
        while (!stream.atEnd()) {
               QString line = stream.readLine();
               creditsText += line + "\n";
        }
        creditsFile.close();
    } else {
        #ifdef K_DEBUG
               tError() << "Error while trying to read " << creditsFile.fileName();
        #endif
    }
    */

    QDomDocument doc;
    QString creditsFile = DATA_DIR + "credits.xml";
    QFile file(creditsFile);
    QString creditsText;

    if (!file.open(QIODevice::ReadOnly))
        return;

    if (!doc.setContent(&file)) {
        file.close();
        return;
    }
    file.close();

    QDomElement docElem = doc.documentElement();
    QDomNode n = docElem.firstChild();

    while (!n.isNull()) {
           QDomElement e = n.toElement();
           if (!e.isNull()) {
               if (e.tagName() == "credits")
                   creditsText = e.text();
           }
           n = n.nextSibling();
    }

    QImage credits = QImage(THEME_DIR + "/images/credits.png");

    // SQA: Replace the method fade with a native Qt function 
    // TImageEffect::fade(credits,0.25, palette().background().color());

    m_credits = new TAnimWidget(QPixmap::fromImage(credits), creditsText);
    addTab(m_credits, tr("Credits"));

    QPalette pal = m_credits->palette();
    pal.setColor(QPalette::Foreground, QColor(50, 50, 50, 255));

    m_credits->setPalette(pal);
    m_credits->setFont(QFont("verdana", 24));

    // 2: Thanks 

    QTextBrowser *sponsorsText = new QTextBrowser;
    sponsorsText->setOpenExternalLinks(true);

    sponsorsText->setSource(SHARE_DIR + "data/help/" + lang + "/thanks.html");
    sponsorsText->moveCursor(QTextCursor::Start);

    addTab(sponsorsText, tr("Thanks"));

    // 3: Tupi 

    QTextBrowser *tupiText = new QTextBrowser;
    tupiText->setOpenExternalLinks(true);

    tupiText->setSource(SHARE_DIR + "data/help/" + lang + "/tupi_short.html");
    tupiText->moveCursor(QTextCursor::Start);

    addTab(tupiText, tr("About"));

    // 4: Licence

    QTextBrowser *licenseText = new QTextBrowser;
    licenseText->setOpenExternalLinks(true);

    /* QFile licenceFile(DATA_DIR + "/license.html");
    QFile licenseFile(SHARE_DIR + "data/help/" + lang + "/philosophy.html");
    QString line = "";
//.........这里部分代码省略.........

TupAbout::TupAbout(QWidget *parent) : TabDialog(Cancel, parent)
{
    // SQA: Check if these instructions are doing something for real
    setWindowIcon(QIcon(THEME_DIR + "icons" + QDir::separator() + "about.png"));
    setWindowTitle(tr("About Tupi"));    
    setFixedSize(525, 458);

    QStringList path;
#ifdef Q_OS_WIN32
    QString resources = SHARE_DIR + "help" + QDir::separator();
#else
	QString resources = SHARE_DIR + "data" + QDir::separator() + "help" + QDir::separator();
#endif
    path << resources + "css";
    path << resources + "images";
	
    QString lang = "en";
    if (QString(QLocale::system().name()).length() > 1)
        lang = QString(QLocale::system().name()).left(2);

    Qt::WindowFlags flags = 0;
    flags = Qt::Dialog;
    flags |= Qt::CustomizeWindowHint;
    setWindowFlags(flags);

    // Credits Tab

    QDomDocument doc;
    QString creditsFile = DATA_DIR + "credits.xml";
    QFile file(creditsFile);
    QString creditsText;

    if (!file.open(QIODevice::ReadOnly)) {
        #ifdef K_DEBUG
            QString msg = "TupAbout::TupAbout() - Fatal Error: Can't open \"credits.xml\" file";
            #ifdef Q_OS_WIN32
                qDebug() << msg;
            #else
                tError() << msg;
            #endif
        #endif
        return;
    }

    if (!doc.setContent(&file)) {
        #ifdef K_DEBUG
            QString msg = "TupAbout::TupAbout() - Fatal Error: File \"credits.xml\" is corrupt!";
            #ifdef Q_OS_WIN32
                qDebug() << msg;
            #else
                tError() << msg;
            #endif
        #endif
        file.close();
        return;
    }
    file.close();

    QDomElement docElem = doc.documentElement();
    QDomNode n = docElem.firstChild();

    while (!n.isNull()) {
           QDomElement e = n.toElement();
           if (!e.isNull()) {
               if (e.tagName() == "credits")
                   creditsText = e.text();
           }
           n = n.nextSibling();
    }

    m_credits = new TAnimWidget(QPixmap(THEME_DIR + QDir::separator() + "images" + QDir::separator() + "credits.png"), creditsText);
    addTab(m_credits, tr("Credits"));

    QPalette pal = m_credits->palette();
    pal.setColor(QPalette::Foreground, QColor(50, 50, 50, 255));
    m_credits->setPalette(pal);
    m_credits->setFont(QFont("verdana", 24));

    // Acknowledgment Tab 

    QString sponsorFile = QString() + "help" + QDir::separator() + lang + QDir::separator() + "thanks.html";
#ifdef Q_OS_WIN32
    QString sponsorPath = SHARE_DIR + sponsorFile;
#else
    QString sponsorPath = SHARE_DIR + "data" + QDir::separator() + sponsorFile;
#endif
    QTextBrowser *sponsorsText = new QTextBrowser;
    sponsorsText->setSearchPaths(path);
    sponsorsText->setOpenExternalLinks(true);
    sponsorsText->setSource(QUrl::fromLocalFile(sponsorPath));
    sponsorsText->moveCursor(QTextCursor::Start);

    addTab(sponsorsText, tr("Thanks"));

    // Tupi Description Tab 

    QString tupiFile = QString() + "help" + QDir::separator() + lang + QDir::separator() + "tupi_short.html";
#ifdef Q_OS_WIN32
    QString tupiPath = SHARE_DIR + tupiFile;
#else
//.........这里部分代码省略.........