WebKit/qt/QtLauncher/main.cpp - platform/external/webkit - Git at Google

 /*
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2006 George Staikos <[email protected]>
  * Copyright (C) 2006 Dirk Mueller <[email protected]>
  * Copyright (C) 2006 Zack Rusin <[email protected]>
  * Copyright (C) 2006 Simon Hausmann <[email protected]>
  *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include <qwebpage.h>
 #include <qwebview.h>
 #include <qwebframe.h>
 #include <qwebsettings.h>

 #include <QtGui>
 #include <QDebug>
 #if QT_VERSION >= 0x040400 && !defined(QT_NO_PRINTER)
 #include <QPrintPreviewDialog>
 #endif

 #include <QtUiTools/QUiLoader>

 class WebPage : public QWebPage
 {
 public:
     WebPage(QWidget *parent) : QWebPage(parent) {}

     virtual QWebPage *createWindow(QWebPage::WebWindowType);
     virtual QObject* createPlugin(const QString&, const QUrl&, const QStringList&, const QStringList&);
 };

 class MainWindow : public QMainWindow
 {
     Q_OBJECT
 public:
     MainWindow(const QString& url = QString()): currentZoom(100) {
         view = new QWebView(this);
         setCentralWidget(view);

         view->setPage(new WebPage(view));

         connect(view, SIGNAL(loadFinished(bool)),
                 this, SLOT(loadFinished()));
         connect(view, SIGNAL(titleChanged(const QString&)),
                 this, SLOT(setWindowTitle(const QString&)));
         connect(view->page(), SIGNAL(linkHovered(const QString&, const QString&, const QString &)),
                 this, SLOT(showLinkHover(const QString&, const QString&)));
         connect(view->page(), SIGNAL(windowCloseRequested()), this, SLOT(deleteLater()));

         setupUI();

         QUrl qurl = guessUrlFromString(url);
         if (qurl.isValid()) {
             urlEdit->setText(qurl.toString());
             view->load(qurl);

             // the zoom values are chosen to be like in Mozilla Firefox 3
             zoomLevels << 30 << 50 << 67 << 80 << 90;
             zoomLevels << 100;
             zoomLevels << 110 << 120 << 133 << 150 << 170 << 200 << 240 << 300;
         }
     }

     QWebPage *webPage() const {
         return view->page();
     }

 protected slots:

     void changeLocation() {
         QUrl url = guessUrlFromString(urlEdit->text());
         urlEdit->setText(url.toString());
         view->load(url);
         view->setFocus(Qt::OtherFocusReason);
     }

     void loadFinished() {
         urlEdit->setText(view->url().toString());

         QUrl::FormattingOptions opts;
         opts |= QUrl::RemoveScheme;
         opts |= QUrl::RemoveUserInfo;
         opts |= QUrl::StripTrailingSlash;
         QString s = view->url().toString(opts);
         s = s.mid(2);
         if (s.isEmpty())
             return;

         if (!urlList.contains(s))
             urlList += s;
         urlModel.setStringList(urlList);
     }

     void showLinkHover(const QString &link, const QString &toolTip) {
         statusBar()->showMessage(link);
 #ifndef QT_NO_TOOLTIP
         if (!toolTip.isEmpty())
             QToolTip::showText(QCursor::pos(), toolTip);
 #endif
     }

     void newWindow() {
         MainWindow *mw = new MainWindow;
         mw->show();
     }

     void zoomIn() {
         int i = zoomLevels.indexOf(currentZoom);
         Q_ASSERT(i >= 0);
         if (i < zoomLevels.count() - 1)
             currentZoom = zoomLevels[i + 1];

         view->setZoomFactor(qreal(currentZoom)/100.0);
     }

     void zoomOut() {
         int i = zoomLevels.indexOf(currentZoom);
         Q_ASSERT(i >= 0);
         if (i > 0)
             currentZoom = zoomLevels[i - 1];

         view->setZoomFactor(qreal(currentZoom)/100.0);
     }

     void resetZoom()
     {
        currentZoom = 100;
        view->setZoomFactor(1.0);
     }

     void toggleZoomTextOnly(bool b)
     {
         view->page()->settings()->setAttribute(QWebSettings::ZoomTextOnly, b);
     }

     void print() {
 #if QT_VERSION >= 0x040400 && !defined(QT_NO_PRINTER)
         QPrintPreviewDialog dlg(this);
         connect(&dlg, SIGNAL(paintRequested(QPrinter *)),
                 view, SLOT(print(QPrinter *)));
         dlg.exec();
 #endif
     }

     void setEditable(bool on) {
         view->page()->setEditable(on);
         formatMenuAction->setVisible(on);
     }

     void dumpHtml() {
         qDebug() << "HTML: " << view->page()->mainFrame()->toHtml();
     }
 private:

     QVector<int> zoomLevels;
     int currentZoom;

     // create the status bar, tool bar & menu
     void setupUI() {
         progress = new QProgressBar(this);
         progress->setRange(0, 100);
         progress->setMinimumSize(100, 20);
         progress->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
         progress->hide();
         statusBar()->addPermanentWidget(progress);

         connect(view, SIGNAL(loadProgress(int)), progress, SLOT(show()));
         connect(view, SIGNAL(loadProgress(int)), progress, SLOT(setValue(int)));
         connect(view, SIGNAL(loadFinished(bool)), progress, SLOT(hide()));

         urlEdit = new QLineEdit(this);
         urlEdit->setSizePolicy(QSizePolicy::Expanding, urlEdit->sizePolicy().verticalPolicy());
         connect(urlEdit, SIGNAL(returnPressed()),
                 SLOT(changeLocation()));
         QCompleter *completer = new QCompleter(this);
         urlEdit->setCompleter(completer);
         completer->setModel(&urlModel);

         QToolBar *bar = addToolBar("Navigation");
         bar->addAction(view->pageAction(QWebPage::Back));
         bar->addAction(view->pageAction(QWebPage::Forward));
         bar->addAction(view->pageAction(QWebPage::Reload));
         bar->addAction(view->pageAction(QWebPage::Stop));
         bar->addWidget(urlEdit);

         QMenu *fileMenu = menuBar()->addMenu("&File");
         QAction *newWindow = fileMenu->addAction("New Window", this, SLOT(newWindow()));
 #if QT_VERSION >= 0x040400
         fileMenu->addAction(tr("Print"), this, SLOT(print()));
 #endif
         fileMenu->addAction("Close", this, SLOT(close()));

         QMenu *editMenu = menuBar()->addMenu("&Edit");
         editMenu->addAction(view->pageAction(QWebPage::Undo));
         editMenu->addAction(view->pageAction(QWebPage::Redo));
         editMenu->addSeparator();
         editMenu->addAction(view->pageAction(QWebPage::Cut));
         editMenu->addAction(view->pageAction(QWebPage::Copy));
         editMenu->addAction(view->pageAction(QWebPage::Paste));
         editMenu->addSeparator();
         QAction *setEditable = editMenu->addAction("Set Editable", this, SLOT(setEditable(bool)));
         setEditable->setCheckable(true);

         QMenu *viewMenu = menuBar()->addMenu("&View");
         viewMenu->addAction(view->pageAction(QWebPage::Stop));
         viewMenu->addAction(view->pageAction(QWebPage::Reload));
         viewMenu->addSeparator();
         QAction *zoomIn = viewMenu->addAction("Zoom &In", this, SLOT(zoomIn()));
         QAction *zoomOut = viewMenu->addAction("Zoom &Out", this, SLOT(zoomOut()));
         QAction *resetZoom = viewMenu->addAction("Reset Zoom", this, SLOT(resetZoom()));
         QAction *zoomTextOnly = viewMenu->addAction("Zoom Text Only", this, SLOT(toggleZoomTextOnly(bool)));
         zoomTextOnly->setCheckable(true);
         zoomTextOnly->setChecked(false);
         viewMenu->addSeparator();
         viewMenu->addAction("Dump HTML", this, SLOT(dumpHtml()));

         QMenu *formatMenu = new QMenu("F&ormat");
         formatMenuAction = menuBar()->addMenu(formatMenu);
         formatMenuAction->setVisible(false);
         formatMenu->addAction(view->pageAction(QWebPage::ToggleBold));
         formatMenu->addAction(view->pageAction(QWebPage::ToggleItalic));
         formatMenu->addAction(view->pageAction(QWebPage::ToggleUnderline));
         QMenu *writingMenu = formatMenu->addMenu(tr("Writing Direction"));
         writingMenu->addAction(view->pageAction(QWebPage::SetTextDirectionDefault));
         writingMenu->addAction(view->pageAction(QWebPage::SetTextDirectionLeftToRight));
         writingMenu->addAction(view->pageAction(QWebPage::SetTextDirectionRightToLeft));

         newWindow->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_N));
         view->pageAction(QWebPage::Back)->setShortcut(QKeySequence::Back);
         view->pageAction(QWebPage::Stop)->setShortcut(Qt::Key_Escape);
         view->pageAction(QWebPage::Forward)->setShortcut(QKeySequence::Forward);
         view->pageAction(QWebPage::Reload)->setShortcut(QKeySequence::Refresh);
         view->pageAction(QWebPage::Undo)->setShortcut(QKeySequence::Undo);
         view->pageAction(QWebPage::Redo)->setShortcut(QKeySequence::Redo);
         view->pageAction(QWebPage::Cut)->setShortcut(QKeySequence::Cut);
         view->pageAction(QWebPage::Copy)->setShortcut(QKeySequence::Copy);
         view->pageAction(QWebPage::Paste)->setShortcut(QKeySequence::Paste);
         zoomIn->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Plus));
         zoomOut->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Minus));
         resetZoom->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_0));
         view->pageAction(QWebPage::ToggleBold)->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_B));
         view->pageAction(QWebPage::ToggleItalic)->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_I));
         view->pageAction(QWebPage::ToggleUnderline)->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_U));
     }

     QUrl guessUrlFromString(const QString &string) {
         QString urlStr = string.trimmed();
         QRegExp test(QLatin1String("^[a-zA-Z]+\\:.*"));

         // Check if it looks like a qualified URL. Try parsing it and see.
         bool hasSchema = test.exactMatch(urlStr);
         if (hasSchema) {
             QUrl url(urlStr, QUrl::TolerantMode);
             if (url.isValid())
                 return url;
         }

         // Might be a file.
         if (QFile::exists(urlStr))
             return QUrl::fromLocalFile(urlStr);

         // Might be a shorturl - try to detect the schema.
         if (!hasSchema) {
             int dotIndex = urlStr.indexOf(QLatin1Char('.'));
             if (dotIndex != -1) {
                 QString prefix = urlStr.left(dotIndex).toLower();
                 QString schema = (prefix == QLatin1String("ftp")) ? prefix : QLatin1String("http");
                 QUrl url(schema + QLatin1String("://") + urlStr, QUrl::TolerantMode);
                 if (url.isValid())
                     return url;
             }
         }

         // Fall back to QUrl's own tolerant parser.
         return QUrl(string, QUrl::TolerantMode);
     }

     QWebView *view;
     QLineEdit *urlEdit;
     QProgressBar *progress;

     QAction *formatMenuAction;

     QStringList urlList;
     QStringListModel urlModel;
 };

 QWebPage *WebPage::createWindow(QWebPage::WebWindowType)
 {
     MainWindow *mw = new MainWindow;
     return mw->webPage();
 }

 QObject *WebPage::createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues)
 {
     Q_UNUSED(url);
     Q_UNUSED(paramNames);
     Q_UNUSED(paramValues);
     QUiLoader loader;
     return loader.createWidget(classId, view());
 }

 #include "main.moc"

 int main(int argc, char **argv)
 {
     QApplication app(argc, argv);
     QString url = QString("%1/%2").arg(QDir::homePath()).arg(QLatin1String("index.html"));

     QWebSettings::setMaximumPagesInCache(4);

     app.setApplicationName("QtLauncher");
 #if QT_VERSION >= 0x040400
     app.setApplicationVersion("0.1");
 #endif

     QWebSettings::setObjectCacheCapacities((16*1024*1024) / 8, (16*1024*1024) / 8, 16*1024*1024);

     QWebSettings::globalSettings()->setAttribute(QWebSettings::PluginsEnabled, true);
     QWebSettings::globalSettings()->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);

     const QStringList args = app.arguments();
     if (args.count() > 1)
         url = args.at(1);

     MainWindow window(url);
     window.show();

     return app.exec();
 }
	/*
	* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
	* Copyright (C) 2006 George Staikos <[email protected]>
	* Copyright (C) 2006 Dirk Mueller <[email protected]>
	* Copyright (C) 2006 Zack Rusin <[email protected]>
	* Copyright (C) 2006 Simon Hausmann <[email protected]>
	*
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <qwebpage.h>
	#include <qwebview.h>
	#include <qwebframe.h>
	#include <qwebsettings.h>

	#include <QtGui>
	#include <QDebug>
	#if QT_VERSION >= 0x040400 && !defined(QT_NO_PRINTER)
	#include <QPrintPreviewDialog>
	#endif

	#include <QtUiTools/QUiLoader>

	class WebPage : public QWebPage
	{
	public:
	WebPage(QWidget *parent) : QWebPage(parent) {}

	virtual QWebPage *createWindow(QWebPage::WebWindowType);
	virtual QObject* createPlugin(const QString&, const QUrl&, const QStringList&, const QStringList&);
	};

	class MainWindow : public QMainWindow
	{
	Q_OBJECT
	public:
	MainWindow(const QString& url = QString()): currentZoom(100) {
	view = new QWebView(this);
	setCentralWidget(view);

	view->setPage(new WebPage(view));

	connect(view, SIGNAL(loadFinished(bool)),
	this, SLOT(loadFinished()));
	connect(view, SIGNAL(titleChanged(const QString&)),
	this, SLOT(setWindowTitle(const QString&)));
	connect(view->page(), SIGNAL(linkHovered(const QString&, const QString&, const QString &)),
	this, SLOT(showLinkHover(const QString&, const QString&)));
	connect(view->page(), SIGNAL(windowCloseRequested()), this, SLOT(deleteLater()));

	setupUI();

	QUrl qurl = guessUrlFromString(url);
	if (qurl.isValid()) {
	urlEdit->setText(qurl.toString());
	view->load(qurl);

	// the zoom values are chosen to be like in Mozilla Firefox 3
	zoomLevels << 30 << 50 << 67 << 80 << 90;
	zoomLevels << 100;
	zoomLevels << 110 << 120 << 133 << 150 << 170 << 200 << 240 << 300;
	}
	}

	QWebPage *webPage() const {
	return view->page();
	}

	protected slots:

	void changeLocation() {
	QUrl url = guessUrlFromString(urlEdit->text());
	urlEdit->setText(url.toString());
	view->load(url);
	view->setFocus(Qt::OtherFocusReason);
	}

	void loadFinished() {
	urlEdit->setText(view->url().toString());

	QUrl::FormattingOptions opts;
	opts \|= QUrl::RemoveScheme;
	opts \|= QUrl::RemoveUserInfo;
	opts \|= QUrl::StripTrailingSlash;
	QString s = view->url().toString(opts);
	s = s.mid(2);
	if (s.isEmpty())
	return;

	if (!urlList.contains(s))
	urlList += s;
	urlModel.setStringList(urlList);
	}

	void showLinkHover(const QString &link, const QString &toolTip) {
	statusBar()->showMessage(link);
	#ifndef QT_NO_TOOLTIP
	if (!toolTip.isEmpty())
	QToolTip::showText(QCursor::pos(), toolTip);
	#endif
	}

	void newWindow() {
	MainWindow *mw = new MainWindow;
	mw->show();
	}

	void zoomIn() {
	int i = zoomLevels.indexOf(currentZoom);
	Q_ASSERT(i >= 0);
	if (i < zoomLevels.count() - 1)
	currentZoom = zoomLevels[i + 1];

	view->setZoomFactor(qreal(currentZoom)/100.0);
	}

	void zoomOut() {
	int i = zoomLevels.indexOf(currentZoom);
	Q_ASSERT(i >= 0);
	if (i > 0)
	currentZoom = zoomLevels[i - 1];

	view->setZoomFactor(qreal(currentZoom)/100.0);
	}

	void resetZoom()
	{
	currentZoom = 100;
	view->setZoomFactor(1.0);
	}

	void toggleZoomTextOnly(bool b)
	{
	view->page()->settings()->setAttribute(QWebSettings::ZoomTextOnly, b);
	}

	void print() {
	#if QT_VERSION >= 0x040400 && !defined(QT_NO_PRINTER)
	QPrintPreviewDialog dlg(this);
	connect(&dlg, SIGNAL(paintRequested(QPrinter *)),
	view, SLOT(print(QPrinter *)));
	dlg.exec();
	#endif
	}

	void setEditable(bool on) {
	view->page()->setEditable(on);
	formatMenuAction->setVisible(on);
	}

	void dumpHtml() {
	qDebug() << "HTML: " << view->page()->mainFrame()->toHtml();
	}
	private:

	QVector<int> zoomLevels;
	int currentZoom;

	// create the status bar, tool bar & menu
	void setupUI() {
	progress = new QProgressBar(this);
	progress->setRange(0, 100);
	progress->setMinimumSize(100, 20);
	progress->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
	progress->hide();
	statusBar()->addPermanentWidget(progress);

	connect(view, SIGNAL(loadProgress(int)), progress, SLOT(show()));
	connect(view, SIGNAL(loadProgress(int)), progress, SLOT(setValue(int)));
	connect(view, SIGNAL(loadFinished(bool)), progress, SLOT(hide()));

	urlEdit = new QLineEdit(this);
	urlEdit->setSizePolicy(QSizePolicy::Expanding, urlEdit->sizePolicy().verticalPolicy());
	connect(urlEdit, SIGNAL(returnPressed()),
	SLOT(changeLocation()));
	QCompleter *completer = new QCompleter(this);
	urlEdit->setCompleter(completer);
	completer->setModel(&urlModel);

	QToolBar *bar = addToolBar("Navigation");
	bar->addAction(view->pageAction(QWebPage::Back));
	bar->addAction(view->pageAction(QWebPage::Forward));
	bar->addAction(view->pageAction(QWebPage::Reload));
	bar->addAction(view->pageAction(QWebPage::Stop));
	bar->addWidget(urlEdit);

	QMenu *fileMenu = menuBar()->addMenu("&File");
	QAction *newWindow = fileMenu->addAction("New Window", this, SLOT(newWindow()));
	#if QT_VERSION >= 0x040400
	fileMenu->addAction(tr("Print"), this, SLOT(print()));
	#endif
	fileMenu->addAction("Close", this, SLOT(close()));

	QMenu *editMenu = menuBar()->addMenu("&Edit");
	editMenu->addAction(view->pageAction(QWebPage::Undo));
	editMenu->addAction(view->pageAction(QWebPage::Redo));
	editMenu->addSeparator();
	editMenu->addAction(view->pageAction(QWebPage::Cut));
	editMenu->addAction(view->pageAction(QWebPage::Copy));
	editMenu->addAction(view->pageAction(QWebPage::Paste));
	editMenu->addSeparator();
	QAction *setEditable = editMenu->addAction("Set Editable", this, SLOT(setEditable(bool)));
	setEditable->setCheckable(true);

	QMenu *viewMenu = menuBar()->addMenu("&View");
	viewMenu->addAction(view->pageAction(QWebPage::Stop));
	viewMenu->addAction(view->pageAction(QWebPage::Reload));
	viewMenu->addSeparator();
	QAction *zoomIn = viewMenu->addAction("Zoom &In", this, SLOT(zoomIn()));
	QAction *zoomOut = viewMenu->addAction("Zoom &Out", this, SLOT(zoomOut()));
	QAction *resetZoom = viewMenu->addAction("Reset Zoom", this, SLOT(resetZoom()));
	QAction *zoomTextOnly = viewMenu->addAction("Zoom Text Only", this, SLOT(toggleZoomTextOnly(bool)));
	zoomTextOnly->setCheckable(true);
	zoomTextOnly->setChecked(false);
	viewMenu->addSeparator();
	viewMenu->addAction("Dump HTML", this, SLOT(dumpHtml()));

	QMenu *formatMenu = new QMenu("F&ormat");
	formatMenuAction = menuBar()->addMenu(formatMenu);
	formatMenuAction->setVisible(false);
	formatMenu->addAction(view->pageAction(QWebPage::ToggleBold));
	formatMenu->addAction(view->pageAction(QWebPage::ToggleItalic));
	formatMenu->addAction(view->pageAction(QWebPage::ToggleUnderline));
	QMenu *writingMenu = formatMenu->addMenu(tr("Writing Direction"));
	writingMenu->addAction(view->pageAction(QWebPage::SetTextDirectionDefault));
	writingMenu->addAction(view->pageAction(QWebPage::SetTextDirectionLeftToRight));
	writingMenu->addAction(view->pageAction(QWebPage::SetTextDirectionRightToLeft));

	newWindow->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_N));
	view->pageAction(QWebPage::Back)->setShortcut(QKeySequence::Back);
	view->pageAction(QWebPage::Stop)->setShortcut(Qt::Key_Escape);
	view->pageAction(QWebPage::Forward)->setShortcut(QKeySequence::Forward);
	view->pageAction(QWebPage::Reload)->setShortcut(QKeySequence::Refresh);
	view->pageAction(QWebPage::Undo)->setShortcut(QKeySequence::Undo);
	view->pageAction(QWebPage::Redo)->setShortcut(QKeySequence::Redo);
	view->pageAction(QWebPage::Cut)->setShortcut(QKeySequence::Cut);
	view->pageAction(QWebPage::Copy)->setShortcut(QKeySequence::Copy);
	view->pageAction(QWebPage::Paste)->setShortcut(QKeySequence::Paste);
	zoomIn->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_Plus));
	zoomOut->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_Minus));
	resetZoom->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_0));
	view->pageAction(QWebPage::ToggleBold)->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_B));
	view->pageAction(QWebPage::ToggleItalic)->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_I));
	view->pageAction(QWebPage::ToggleUnderline)->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_U));
	}

	QUrl guessUrlFromString(const QString &string) {
	QString urlStr = string.trimmed();
	QRegExp test(QLatin1String("^[a-zA-Z]+\\:.*"));

	// Check if it looks like a qualified URL. Try parsing it and see.
	bool hasSchema = test.exactMatch(urlStr);
	if (hasSchema) {
	QUrl url(urlStr, QUrl::TolerantMode);
	if (url.isValid())
	return url;
	}

	// Might be a file.
	if (QFile::exists(urlStr))
	return QUrl::fromLocalFile(urlStr);

	// Might be a shorturl - try to detect the schema.
	if (!hasSchema) {
	int dotIndex = urlStr.indexOf(QLatin1Char('.'));
	if (dotIndex != -1) {
	QString prefix = urlStr.left(dotIndex).toLower();
	QString schema = (prefix == QLatin1String("ftp")) ? prefix : QLatin1String("http");
	QUrl url(schema + QLatin1String("://") + urlStr, QUrl::TolerantMode);
	if (url.isValid())
	return url;
	}
	}

	// Fall back to QUrl's own tolerant parser.
	return QUrl(string, QUrl::TolerantMode);
	}

	QWebView *view;
	QLineEdit *urlEdit;
	QProgressBar *progress;

	QAction *formatMenuAction;

	QStringList urlList;
	QStringListModel urlModel;
	};

	QWebPage *WebPage::createWindow(QWebPage::WebWindowType)
	{
	MainWindow *mw = new MainWindow;
	return mw->webPage();
	}

	QObject *WebPage::createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues)
	{
	Q_UNUSED(url);
	Q_UNUSED(paramNames);
	Q_UNUSED(paramValues);
	QUiLoader loader;
	return loader.createWidget(classId, view());
	}

	#include "main.moc"

	int main(int argc, char **argv)
	{
	QApplication app(argc, argv);
	QString url = QString("%1/%2").arg(QDir::homePath()).arg(QLatin1String("index.html"));

	QWebSettings::setMaximumPagesInCache(4);

	app.setApplicationName("QtLauncher");
	#if QT_VERSION >= 0x040400
	app.setApplicationVersion("0.1");
	#endif

	QWebSettings::setObjectCacheCapacities((1610241024) / 8, (1610241024) / 8, 1610241024);

	QWebSettings::globalSettings()->setAttribute(QWebSettings::PluginsEnabled, true);
	QWebSettings::globalSettings()->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);

	const QStringList args = app.arguments();
	if (args.count() > 1)
	url = args.at(1);

	MainWindow window(url);
	window.show();

	return app.exec();
	}