Long live Qt 4.5!

1 files changed, 991 insertions, 0 deletions

diff --git a/demos/browser/browsermainwindow.cpp b/demos/browser/browsermainwindow.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "browsermainwindow.h"
+
+#include "autosaver.h"
+#include "bookmarks.h"
+#include "browserapplication.h"
+#include "chasewidget.h"
+#include "downloadmanager.h"
+#include "history.h"
+#include "settings.h"
+#include "tabwidget.h"
+#include "toolbarsearch.h"
+#include "ui_passworddialog.h"
+#include "webview.h"
+
+#include <QtCore/QSettings>
+
+#include <QtGui/QDesktopWidget>
+#include <QtGui/QFileDialog>
+#include <QtGui/QPlainTextEdit>
+#include <QtGui/QPrintDialog>
+#include <QtGui/QPrintPreviewDialog>
+#include <QtGui/QPrinter>
+#include <QtGui/QMenuBar>
+#include <QtGui/QMessageBox>
+#include <QtGui/QStatusBar>
+#include <QtGui/QToolBar>
+#include <QtGui/QInputDialog>
+
+#include <QtWebKit/QWebFrame>
+#include <QtWebKit/QWebHistory>
+
+#include <QtCore/QDebug>
+
+BrowserMainWindow::BrowserMainWindow(QWidget *parent, Qt::WindowFlags flags)
+    : QMainWindow(parent, flags)
+    , m_tabWidget(new TabWidget(this))
+    , m_autoSaver(new AutoSaver(this))
+    , m_historyBack(0)
+    , m_historyForward(0)
+    , m_stop(0)
+    , m_reload(0)
+{
+    setAttribute(Qt::WA_DeleteOnClose, true);
+    statusBar()->setSizeGripEnabled(true);
+    setupMenu();
+    setupToolBar();
+
+    QWidget *centralWidget = new QWidget(this);
+    BookmarksModel *boomarksModel = BrowserApplication::bookmarksManager()->bookmarksModel();
+    m_bookmarksToolbar = new BookmarksToolBar(boomarksModel, this);
+    connect(m_bookmarksToolbar, SIGNAL(openUrl(const QUrl&)),
+            m_tabWidget, SLOT(loadUrlInCurrentTab(const QUrl&)));
+    connect(m_bookmarksToolbar->toggleViewAction(), SIGNAL(toggled(bool)),
+            this, SLOT(updateBookmarksToolbarActionText(bool)));
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->setSpacing(0);
+    layout->setMargin(0);
+#if defined(Q_WS_MAC)
+    layout->addWidget(m_bookmarksToolbar);
+    layout->addWidget(new QWidget); // <- OS X tab widget style bug
+#else
+    addToolBarBreak();
+    addToolBar(m_bookmarksToolbar);
+#endif
+    layout->addWidget(m_tabWidget);
+    centralWidget->setLayout(layout);
+	setCentralWidget(centralWidget);
+
+    connect(m_tabWidget, SIGNAL(loadPage(const QString &)),
+        this, SLOT(loadPage(const QString &)));
+    connect(m_tabWidget, SIGNAL(setCurrentTitle(const QString &)),
+        this, SLOT(slotUpdateWindowTitle(const QString &)));
+    connect(m_tabWidget, SIGNAL(showStatusBarMessage(const QString&)),
+            statusBar(), SLOT(showMessage(const QString&)));
+    connect(m_tabWidget, SIGNAL(linkHovered(const QString&)),
+            statusBar(), SLOT(showMessage(const QString&)));
+    connect(m_tabWidget, SIGNAL(loadProgress(int)),
+            this, SLOT(slotLoadProgress(int)));
+    connect(m_tabWidget, SIGNAL(tabsChanged()),
+            m_autoSaver, SLOT(changeOccurred()));
+    connect(m_tabWidget, SIGNAL(geometryChangeRequested(const QRect &)),
+            this, SLOT(geometryChangeRequested(const QRect &)));
+    connect(m_tabWidget, SIGNAL(printRequested(QWebFrame *)),
+            this, SLOT(printRequested(QWebFrame *)));
+    connect(m_tabWidget, SIGNAL(menuBarVisibilityChangeRequested(bool)),
+            menuBar(), SLOT(setVisible(bool)));
+    connect(m_tabWidget, SIGNAL(statusBarVisibilityChangeRequested(bool)),
+            statusBar(), SLOT(setVisible(bool)));
+    connect(m_tabWidget, SIGNAL(toolBarVisibilityChangeRequested(bool)),
+            m_navigationBar, SLOT(setVisible(bool)));
+    connect(m_tabWidget, SIGNAL(toolBarVisibilityChangeRequested(bool)),
+            m_bookmarksToolbar, SLOT(setVisible(bool)));
+#if defined(Q_WS_MAC)
+    connect(m_tabWidget, SIGNAL(lastTabClosed()),
+            this, SLOT(close()));
+#else
+    connect(m_tabWidget, SIGNAL(lastTabClosed()),
+            m_tabWidget, SLOT(newTab()));
+#endif
+
+    slotUpdateWindowTitle();
+    loadDefaultState();
+    m_tabWidget->newTab();
+
+    int size = m_tabWidget->lineEditStack()->sizeHint().height();
+    m_navigationBar->setIconSize(QSize(size, size));
+
+}
+
+BrowserMainWindow::~BrowserMainWindow()
+{
+    m_autoSaver->changeOccurred();
+    m_autoSaver->saveIfNeccessary();
+}
+
+void BrowserMainWindow::loadDefaultState()
+{
+    QSettings settings;
+    settings.beginGroup(QLatin1String("BrowserMainWindow"));
+    QByteArray data = settings.value(QLatin1String("defaultState")).toByteArray();
+    restoreState(data);
+    settings.endGroup();
+}
+
+QSize BrowserMainWindow::sizeHint() const
+{
+    QRect desktopRect = QApplication::desktop()->screenGeometry();
+    QSize size = desktopRect.size() * qreal(0.9);
+    return size;
+}
+
+void BrowserMainWindow::save()
+{
+    BrowserApplication::instance()->saveSession();
+
+    QSettings settings;
+    settings.beginGroup(QLatin1String("BrowserMainWindow"));
+    QByteArray data = saveState(false);
+    settings.setValue(QLatin1String("defaultState"), data);
+    settings.endGroup();
+}
+
+static const qint32 BrowserMainWindowMagic = 0xba;
+
+QByteArray BrowserMainWindow::saveState(bool withTabs) const
+{
+    int version = 2;
+    QByteArray data;
+    QDataStream stream(&data, QIODevice::WriteOnly);
+
+    stream << qint32(BrowserMainWindowMagic);
+    stream << qint32(version);
+
+    stream << size();
+    stream << !m_navigationBar->isHidden();
+    stream << !m_bookmarksToolbar->isHidden();
+    stream << !statusBar()->isHidden();
+    if (withTabs)
+        stream << tabWidget()->saveState();
+    else
+        stream << QByteArray();
+    return data;
+}
+
+bool BrowserMainWindow::restoreState(const QByteArray &state)
+{
+    int version = 2;
+    QByteArray sd = state;
+    QDataStream stream(&sd, QIODevice::ReadOnly);
+    if (stream.atEnd())
+        return false;
+
+    qint32 marker;
+    qint32 v;
+    stream >> marker;
+    stream >> v;
+    if (marker != BrowserMainWindowMagic || v != version)
+        return false;
+
+    QSize size;
+    bool showToolbar;
+    bool showBookmarksBar;
+    bool showStatusbar;
+    QByteArray tabState;
+
+    stream >> size;
+    stream >> showToolbar;
+    stream >> showBookmarksBar;
+    stream >> showStatusbar;
+    stream >> tabState;
+
+    resize(size);
+
+    m_navigationBar->setVisible(showToolbar);
+    updateToolbarActionText(showToolbar);
+
+    m_bookmarksToolbar->setVisible(showBookmarksBar);
+    updateBookmarksToolbarActionText(showBookmarksBar);
+
+    statusBar()->setVisible(showStatusbar);
+    updateStatusbarActionText(showStatusbar);
+
+    if (!tabWidget()->restoreState(tabState))
+        return false;
+
+    return true;
+}
+
+void BrowserMainWindow::setupMenu()
+{
+    new QShortcut(QKeySequence(Qt::Key_F6), this, SLOT(slotSwapFocus()));
+
+    // File
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+
+    fileMenu->addAction(tr("&New Window"), this, SLOT(slotFileNew()), QKeySequence::New);
+    fileMenu->addAction(m_tabWidget->newTabAction());
+    fileMenu->addAction(tr("&Open File..."), this, SLOT(slotFileOpen()), QKeySequence::Open);
+    fileMenu->addAction(tr("Open &Location..."), this,
+                SLOT(slotSelectLineEdit()), QKeySequence(Qt::ControlModifier + Qt::Key_L));
+    fileMenu->addSeparator();
+    fileMenu->addAction(m_tabWidget->closeTabAction());
+    fileMenu->addSeparator();
+    fileMenu->addAction(tr("&Save As..."), this,
+                SLOT(slotFileSaveAs()), QKeySequence(QKeySequence::Save));
+    fileMenu->addSeparator();
+    BookmarksManager *bookmarksManager = BrowserApplication::bookmarksManager();
+    fileMenu->addAction(tr("&Import Bookmarks..."), bookmarksManager, SLOT(importBookmarks()));
+    fileMenu->addAction(tr("&Export Bookmarks..."), bookmarksManager, SLOT(exportBookmarks()));
+    fileMenu->addSeparator();
+    fileMenu->addAction(tr("P&rint Preview..."), this, SLOT(slotFilePrintPreview()));
+    fileMenu->addAction(tr("&Print..."), this, SLOT(slotFilePrint()), QKeySequence::Print);
+    fileMenu->addSeparator();
+    QAction *action = fileMenu->addAction(tr("Private &Browsing..."), this, SLOT(slotPrivateBrowsing()));
+    action->setCheckable(true);
+    fileMenu->addSeparator();
+
+#if defined(Q_WS_MAC)
+    fileMenu->addAction(tr("&Quit"), BrowserApplication::instance(), SLOT(quitBrowser()), QKeySequence(Qt::CTRL | Qt::Key_Q));
+#else
+    fileMenu->addAction(tr("&Quit"), this, SLOT(close()), QKeySequence(Qt::CTRL | Qt::Key_Q));
+#endif
+
+    // Edit
+    QMenu *editMenu = menuBar()->addMenu(tr("&Edit"));
+    QAction *m_undo = editMenu->addAction(tr("&Undo"));
+    m_undo->setShortcuts(QKeySequence::Undo);
+    m_tabWidget->addWebAction(m_undo, QWebPage::Undo);
+    QAction *m_redo = editMenu->addAction(tr("&Redo"));
+    m_redo->setShortcuts(QKeySequence::Redo);
+    m_tabWidget->addWebAction(m_redo, QWebPage::Redo);
+    editMenu->addSeparator();
+    QAction *m_cut = editMenu->addAction(tr("Cu&t"));
+    m_cut->setShortcuts(QKeySequence::Cut);
+    m_tabWidget->addWebAction(m_cut, QWebPage::Cut);
+    QAction *m_copy = editMenu->addAction(tr("&Copy"));
+    m_copy->setShortcuts(QKeySequence::Copy);
+    m_tabWidget->addWebAction(m_copy, QWebPage::Copy);
+    QAction *m_paste = editMenu->addAction(tr("&Paste"));
+    m_paste->setShortcuts(QKeySequence::Paste);
+    m_tabWidget->addWebAction(m_paste, QWebPage::Paste);
+    editMenu->addSeparator();
+
+    QAction *m_find = editMenu->addAction(tr("&Find"));
+    m_find->setShortcuts(QKeySequence::Find);
+    connect(m_find, SIGNAL(triggered()), this, SLOT(slotEditFind()));
+    new QShortcut(QKeySequence(Qt::Key_Slash), this, SLOT(slotEditFind()));
+
+    QAction *m_findNext = editMenu->addAction(tr("&Find Next"));
+    m_findNext->setShortcuts(QKeySequence::FindNext);
+    connect(m_findNext, SIGNAL(triggered()), this, SLOT(slotEditFindNext()));
+
+    QAction *m_findPrevious = editMenu->addAction(tr("&Find Previous"));
+    m_findPrevious->setShortcuts(QKeySequence::FindPrevious);
+    connect(m_findPrevious, SIGNAL(triggered()), this, SLOT(slotEditFindPrevious()));
+
+    editMenu->addSeparator();
+    editMenu->addAction(tr("&Preferences"), this, SLOT(slotPreferences()), tr("Ctrl+,"));
+
+    // View
+    QMenu *viewMenu = menuBar()->addMenu(tr("&View"));
+
+    m_viewBookmarkBar = new QAction(this);
+    updateBookmarksToolbarActionText(true);
+    m_viewBookmarkBar->setShortcut(tr("Shift+Ctrl+B"));
+    connect(m_viewBookmarkBar, SIGNAL(triggered()), this, SLOT(slotViewBookmarksBar()));
+    viewMenu->addAction(m_viewBookmarkBar);
+
+    m_viewToolbar = new QAction(this);
+    updateToolbarActionText(true);
+    m_viewToolbar->setShortcut(tr("Ctrl+|"));
+    connect(m_viewToolbar, SIGNAL(triggered()), this, SLOT(slotViewToolbar()));
+    viewMenu->addAction(m_viewToolbar);
+
+    m_viewStatusbar = new QAction(this);
+    updateStatusbarActionText(true);
+    m_viewStatusbar->setShortcut(tr("Ctrl+/"));
+    connect(m_viewStatusbar, SIGNAL(triggered()), this, SLOT(slotViewStatusbar()));
+    viewMenu->addAction(m_viewStatusbar);
+
+    viewMenu->addSeparator();
+
+    m_stop = viewMenu->addAction(tr("&Stop"));
+    QList<QKeySequence> shortcuts;
+    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Period));
+    shortcuts.append(Qt::Key_Escape);
+    m_stop->setShortcuts(shortcuts);
+    m_tabWidget->addWebAction(m_stop, QWebPage::Stop);
+
+    m_reload = viewMenu->addAction(tr("Reload Page"));
+    m_reload->setShortcuts(QKeySequence::Refresh);
+    m_tabWidget->addWebAction(m_reload, QWebPage::Reload);
+
+    viewMenu->addAction(tr("Zoom &In"), this, SLOT(slotViewZoomIn()), QKeySequence(Qt::CTRL | Qt::Key_Plus));
+    viewMenu->addAction(tr("Zoom &Out"), this, SLOT(slotViewZoomOut()), QKeySequence(Qt::CTRL | Qt::Key_Minus));
+    viewMenu->addAction(tr("Reset &Zoom"), this, SLOT(slotViewResetZoom()), QKeySequence(Qt::CTRL | Qt::Key_0));
+    QAction *zoomTextOnlyAction = viewMenu->addAction(tr("Zoom &Text Only"));
+    connect(zoomTextOnlyAction, SIGNAL(toggled(bool)), this, SLOT(slotViewZoomTextOnly(bool)));
+    zoomTextOnlyAction->setCheckable(true);
+    zoomTextOnlyAction->setChecked(false);
+
+    viewMenu->addSeparator();
+    viewMenu->addAction(tr("Page S&ource"), this, SLOT(slotViewPageSource()), tr("Ctrl+Alt+U"));
+    QAction *a = viewMenu->addAction(tr("&Full Screen"), this, SLOT(slotViewFullScreen(bool)),  Qt::Key_F11);
+    a->setCheckable(true);
+
+    // History
+    HistoryMenu *historyMenu = new HistoryMenu(this);
+    connect(historyMenu, SIGNAL(openUrl(const QUrl&)),
+            m_tabWidget, SLOT(loadUrlInCurrentTab(const QUrl&)));
+    connect(historyMenu, SIGNAL(hovered(const QString&)), this,
+            SLOT(slotUpdateStatusbar(const QString&)));
+    historyMenu->setTitle(tr("Hi&story"));
+    menuBar()->addMenu(historyMenu);
+    QList<QAction*> historyActions;
+
+    m_historyBack = new QAction(tr("Back"), this);
+    m_tabWidget->addWebAction(m_historyBack, QWebPage::Back);
+    m_historyBack->setShortcuts(QKeySequence::Back);
+    m_historyBack->setIconVisibleInMenu(false);
+
+    m_historyForward = new QAction(tr("Forward"), this);
+    m_tabWidget->addWebAction(m_historyForward, QWebPage::Forward);
+    m_historyForward->setShortcuts(QKeySequence::Forward);
+    m_historyForward->setIconVisibleInMenu(false);
+
+    QAction *m_historyHome = new QAction(tr("Home"), this);
+    connect(m_historyHome, SIGNAL(triggered()), this, SLOT(slotHome()));
+    m_historyHome->setShortcut(QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key_H));
+
+    m_restoreLastSession = new QAction(tr("Restore Last Session"), this);
+    connect(m_restoreLastSession, SIGNAL(triggered()), BrowserApplication::instance(), SLOT(restoreLastSession()));
+    m_restoreLastSession->setEnabled(BrowserApplication::instance()->canRestoreSession());
+
+    historyActions.append(m_historyBack);
+    historyActions.append(m_historyForward);
+    historyActions.append(m_historyHome);
+    historyActions.append(m_tabWidget->recentlyClosedTabsAction());
+    historyActions.append(m_restoreLastSession);
+    historyMenu->setInitialActions(historyActions);
+
+    // Bookmarks
+    BookmarksMenu *bookmarksMenu = new BookmarksMenu(this);
+    connect(bookmarksMenu, SIGNAL(openUrl(const QUrl&)),
+            m_tabWidget, SLOT(loadUrlInCurrentTab(const QUrl&)));
+    connect(bookmarksMenu, SIGNAL(hovered(const QString&)),
+            this, SLOT(slotUpdateStatusbar(const QString&)));
+    bookmarksMenu->setTitle(tr("&Bookmarks"));
+    menuBar()->addMenu(bookmarksMenu);
+
+    QList<QAction*> bookmarksActions;
+
+    QAction *showAllBookmarksAction = new QAction(tr("Show All Bookmarks"), this);
+    connect(showAllBookmarksAction, SIGNAL(triggered()), this, SLOT(slotShowBookmarksDialog()));
+    m_addBookmark = new QAction(QIcon(QLatin1String(":addbookmark.png")), tr("Add Bookmark..."), this);
+    m_addBookmark->setIconVisibleInMenu(false);
+
+    connect(m_addBookmark, SIGNAL(triggered()), this, SLOT(slotAddBookmark()));
+    m_addBookmark->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_D));
+
+    bookmarksActions.append(showAllBookmarksAction);
+    bookmarksActions.append(m_addBookmark);
+    bookmarksMenu->setInitialActions(bookmarksActions);
+
+    // Window
+    m_windowMenu = menuBar()->addMenu(tr("&Window"));
+    connect(m_windowMenu, SIGNAL(aboutToShow()),
+            this, SLOT(slotAboutToShowWindowMenu()));
+    slotAboutToShowWindowMenu();
+
+    QMenu *toolsMenu = menuBar()->addMenu(tr("&Tools"));
+    toolsMenu->addAction(tr("Web &Search"), this, SLOT(slotWebSearch()), QKeySequence(tr("Ctrl+K", "Web Search")));
+#ifndef Q_CC_MINGW
+    a = toolsMenu->addAction(tr("Enable Web &Inspector"), this, SLOT(slotToggleInspector(bool)));
+    a->setCheckable(true);
+#endif
+
+    QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
+    helpMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
+    helpMenu->addAction(tr("About &Demo Browser"), this, SLOT(slotAboutApplication()));
+}
+
+void BrowserMainWindow::setupToolBar()
+{
+    setUnifiedTitleAndToolBarOnMac(true);
+    m_navigationBar = addToolBar(tr("Navigation"));
+    connect(m_navigationBar->toggleViewAction(), SIGNAL(toggled(bool)),
+            this, SLOT(updateToolbarActionText(bool)));
+
+    m_historyBack->setIcon(style()->standardIcon(QStyle::SP_ArrowBack, 0, this));
+    m_historyBackMenu = new QMenu(this);
+    m_historyBack->setMenu(m_historyBackMenu);
+    connect(m_historyBackMenu, SIGNAL(aboutToShow()),
+            this, SLOT(slotAboutToShowBackMenu()));
+    connect(m_historyBackMenu, SIGNAL(triggered(QAction *)),
+            this, SLOT(slotOpenActionUrl(QAction *)));
+    m_navigationBar->addAction(m_historyBack);
+
+    m_historyForward->setIcon(style()->standardIcon(QStyle::SP_ArrowForward, 0, this));
+    m_historyForwardMenu = new QMenu(this);
+    connect(m_historyForwardMenu, SIGNAL(aboutToShow()),
+            this, SLOT(slotAboutToShowForwardMenu()));
+    connect(m_historyForwardMenu, SIGNAL(triggered(QAction *)),
+            this, SLOT(slotOpenActionUrl(QAction *)));
+    m_historyForward->setMenu(m_historyForwardMenu);
+    m_navigationBar->addAction(m_historyForward);
+
+    m_stopReload = new QAction(this);
+    m_reloadIcon = style()->standardIcon(QStyle::SP_BrowserReload);
+    m_stopReload->setIcon(m_reloadIcon);
+
+    m_navigationBar->addAction(m_stopReload);
+
+    m_navigationBar->addWidget(m_tabWidget->lineEditStack());
+
+    m_toolbarSearch = new ToolbarSearch(m_navigationBar);
+    m_navigationBar->addWidget(m_toolbarSearch);
+    connect(m_toolbarSearch, SIGNAL(search(const QUrl&)), SLOT(loadUrl(const QUrl&)));
+
+    m_chaseWidget = new ChaseWidget(this);
+    m_navigationBar->addWidget(m_chaseWidget);
+}
+
+void BrowserMainWindow::slotShowBookmarksDialog()
+{
+    BookmarksDialog *dialog = new BookmarksDialog(this);
+    connect(dialog, SIGNAL(openUrl(const QUrl&)),
+            m_tabWidget, SLOT(loadUrlInCurrentTab(const QUrl&)));
+    dialog->show();
+}
+
+void BrowserMainWindow::slotAddBookmark()
+{
+    WebView *webView = currentTab();
+    QString url = webView->url().toString();
+    QString title = webView->title();
+    AddBookmarkDialog dialog(url, title);
+    dialog.exec();
+}
+
+void BrowserMainWindow::slotViewToolbar()
+{
+    if (m_navigationBar->isVisible()) {
+        updateToolbarActionText(false);
+        m_navigationBar->close();
+    } else {
+        updateToolbarActionText(true);
+        m_navigationBar->show();
+    }
+    m_autoSaver->changeOccurred();
+}
+
+void BrowserMainWindow::slotViewBookmarksBar()
+{
+    if (m_bookmarksToolbar->isVisible()) {
+        updateBookmarksToolbarActionText(false);
+        m_bookmarksToolbar->close();
+    } else {
+        updateBookmarksToolbarActionText(true);
+        m_bookmarksToolbar->show();
+    }
+    m_autoSaver->changeOccurred();
+}
+
+void BrowserMainWindow::updateStatusbarActionText(bool visible)
+{
+    m_viewStatusbar->setText(!visible ? tr("Show Status Bar") : tr("Hide Status Bar"));
+}
+
+void BrowserMainWindow::updateToolbarActionText(bool visible)
+{
+    m_viewToolbar->setText(!visible ? tr("Show Toolbar") : tr("Hide Toolbar"));
+}
+
+void BrowserMainWindow::updateBookmarksToolbarActionText(bool visible)
+{
+    m_viewBookmarkBar->setText(!visible ? tr("Show Bookmarks bar") : tr("Hide Bookmarks bar"));
+}
+
+void BrowserMainWindow::slotViewStatusbar()
+{
+    if (statusBar()->isVisible()) {
+        updateStatusbarActionText(false);
+        statusBar()->close();
+    } else {
+        updateStatusbarActionText(true);
+        statusBar()->show();
+    }
+    m_autoSaver->changeOccurred();
+}
+
+QUrl BrowserMainWindow::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 = QUrl::fromEncoded(urlStr.toUtf8(), QUrl::TolerantMode);
+        if (url.isValid())
+            return url;
+    }
+
+    // Might be a file.
+    if (QFile::exists(urlStr)) {
+        QFileInfo info(urlStr);
+        return QUrl::fromLocalFile(info.absoluteFilePath());
+    }
+
+    // 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();
+            QByteArray schema = (prefix == QLatin1String("ftp")) ? prefix.toLatin1() : "http";
+            QUrl url =
+                QUrl::fromEncoded(schema + "://" + urlStr.toUtf8(), QUrl::TolerantMode);
+            if (url.isValid())
+                return url;
+        }
+    }
+
+    // Fall back to QUrl's own tolerant parser.
+    QUrl url = QUrl::fromEncoded(string.toUtf8(), QUrl::TolerantMode);
+
+    // finally for cases where the user just types in a hostname add http
+    if (url.scheme().isEmpty())
+        url = QUrl::fromEncoded("http://" + string.toUtf8(), QUrl::TolerantMode);
+    return url;
+}
+
+void BrowserMainWindow::loadUrl(const QUrl &url)
+{
+    if (!currentTab() || !url.isValid())
+        return;
+
+    m_tabWidget->currentLineEdit()->setText(QString::fromUtf8(url.toEncoded()));
+    m_tabWidget->loadUrlInCurrentTab(url);
+}
+
+void BrowserMainWindow::slotDownloadManager()
+{
+    BrowserApplication::downloadManager()->show();
+}
+
+void BrowserMainWindow::slotSelectLineEdit()
+{
+    m_tabWidget->currentLineEdit()->selectAll();
+    m_tabWidget->currentLineEdit()->setFocus();
+}
+
+void BrowserMainWindow::slotFileSaveAs()
+{
+    BrowserApplication::downloadManager()->download(currentTab()->url(), true);
+}
+
+void BrowserMainWindow::slotPreferences()
+{
+    SettingsDialog *s = new SettingsDialog(this);
+    s->show();
+}
+
+void BrowserMainWindow::slotUpdateStatusbar(const QString &string)
+{
+    statusBar()->showMessage(string, 2000);
+}
+
+void BrowserMainWindow::slotUpdateWindowTitle(const QString &title)
+{
+    if (title.isEmpty()) {
+        setWindowTitle(tr("Qt Demo Browser"));
+    } else {
+#if defined(Q_WS_MAC)
+        setWindowTitle(title);
+#else
+        setWindowTitle(tr("%1 - Qt Demo Browser", "Page title and Browser name").arg(title));
+#endif
+    }
+}
+
+void BrowserMainWindow::slotAboutApplication()
+{
+    QMessageBox::about(this, tr("About"), tr(
+        "Version %1"
+        "<p>This demo demonstrates Qt's "
+        "webkit facilities in action, providing an example "
+        "browser for you to experiment with.<p>"
+        "<p>QtWebKit is based on the Open Source WebKit Project developed at <a href=\"http://webkit.org/\">http://webkit.org/</a>."
+        ).arg(QCoreApplication::applicationVersion()));
+}
+
+void BrowserMainWindow::slotFileNew()
+{
+    BrowserApplication::instance()->newMainWindow();
+    BrowserMainWindow *mw = BrowserApplication::instance()->mainWindow();
+    mw->slotHome();
+}
+
+void BrowserMainWindow::slotFileOpen()
+{
+    QString file = QFileDialog::getOpenFileName(this, tr("Open Web Resource"), QString(),
+            tr("Web Resources (*.html *.htm *.svg *.png *.gif *.svgz);;All files (*.*)"));
+
+    if (file.isEmpty())
+        return;
+
+    loadPage(file);
+}
+
+void BrowserMainWindow::slotFilePrintPreview()
+{
+#ifndef QT_NO_PRINTER
+    if (!currentTab())
+        return;
+    QPrintPreviewDialog *dialog = new QPrintPreviewDialog(this);
+    connect(dialog, SIGNAL(paintRequested(QPrinter *)),
+            currentTab(), SLOT(print(QPrinter *)));
+    dialog->exec();
+#endif
+}
+
+void BrowserMainWindow::slotFilePrint()
+{
+    if (!currentTab())
+        return;
+    printRequested(currentTab()->page()->mainFrame());
+}
+
+void BrowserMainWindow::printRequested(QWebFrame *frame)
+{
+#ifndef QT_NO_PRINTER
+    QPrinter printer;
+    QPrintDialog *dialog = new QPrintDialog(&printer, this);
+    dialog->setWindowTitle(tr("Print Document"));
+    if (dialog->exec() != QDialog::Accepted)
+        return;
+    frame->print(&printer);
+#endif
+}
+
+void BrowserMainWindow::slotPrivateBrowsing()
+{
+    QWebSettings *settings = QWebSettings::globalSettings();
+    bool pb = settings->testAttribute(QWebSettings::PrivateBrowsingEnabled);
+    if (!pb) {
+        QString title = tr("Are you sure you want to turn on private browsing?");
+        QString text = tr("<b>%1</b><br><br>When private browsing in turned on,"
+            " webpages are not added to the history,"
+            " items are automatically removed from the Downloads window," \
+            " new cookies are not stored, current cookies can't be accessed," \
+            " site icons wont be stored, session wont be saved, " \
+            " and searches are not addded to the pop-up menu in the Google search box." \
+            "  Until you close the window, you can still click the Back and Forward buttons" \
+            " to return to the webpages you have opened.").arg(title);
+
+        QMessageBox::StandardButton button = QMessageBox::question(this, QString(), text,
+                               QMessageBox::Ok | QMessageBox::Cancel,
+                               QMessageBox::Ok);
+        if (button == QMessageBox::Ok) {
+            settings->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);
+        }
+    } else {
+        settings->setAttribute(QWebSettings::PrivateBrowsingEnabled, false);
+
+        QList<BrowserMainWindow*> windows = BrowserApplication::instance()->mainWindows();
+        for (int i = 0; i < windows.count(); ++i) {
+            BrowserMainWindow *window = windows.at(i);
+            window->m_lastSearch = QString::null;
+            window->tabWidget()->clear();
+        }
+    }
+}
+
+void BrowserMainWindow::closeEvent(QCloseEvent *event)
+{
+    if (m_tabWidget->count() > 1) {
+        int ret = QMessageBox::warning(this, QString(),
+                           tr("Are you sure you want to close the window?"
+                              "  There are %1 tab open").arg(m_tabWidget->count()),
+                           QMessageBox::Yes | QMessageBox::No,
+                           QMessageBox::No);
+        if (ret == QMessageBox::No) {
+            event->ignore();
+            return;
+        }
+    }
+    event->accept();
+    deleteLater();
+}
+
+void BrowserMainWindow::slotEditFind()
+{
+    if (!currentTab())
+        return;
+    bool ok;
+    QString search = QInputDialog::getText(this, tr("Find"),
+                                          tr("Text:"), QLineEdit::Normal,
+                                          m_lastSearch, &ok);
+    if (ok && !search.isEmpty()) {
+        m_lastSearch = search;
+        if (!currentTab()->findText(m_lastSearch))
+            slotUpdateStatusbar(tr("\"%1\" not found.").arg(m_lastSearch));
+    }
+}
+
+void BrowserMainWindow::slotEditFindNext()
+{
+    if (!currentTab() && !m_lastSearch.isEmpty())
+        return;
+    currentTab()->findText(m_lastSearch);
+}
+
+void BrowserMainWindow::slotEditFindPrevious()
+{
+    if (!currentTab() && !m_lastSearch.isEmpty())
+        return;
+    currentTab()->findText(m_lastSearch, QWebPage::FindBackward);
+}
+
+void BrowserMainWindow::slotViewZoomIn()
+{
+    if (!currentTab())
+        return;
+    currentTab()->setZoomFactor(currentTab()->zoomFactor() + 0.1);
+}
+
+void BrowserMainWindow::slotViewZoomOut()
+{
+    if (!currentTab())
+        return;
+    currentTab()->setZoomFactor(currentTab()->zoomFactor() - 0.1);
+}
+
+void BrowserMainWindow::slotViewResetZoom()
+{
+    if (!currentTab())
+        return;
+    currentTab()->setZoomFactor(1.0);
+}
+
+void BrowserMainWindow::slotViewZoomTextOnly(bool enable)
+{
+    if (!currentTab())
+        return;
+    currentTab()->page()->settings()->setAttribute(QWebSettings::ZoomTextOnly, enable);
+}
+
+void BrowserMainWindow::slotViewFullScreen(bool makeFullScreen)
+{
+    if (makeFullScreen) {
+        showFullScreen();
+    } else {
+        if (isMinimized())
+            showMinimized();
+        else if (isMaximized())
+            showMaximized();
+        else showNormal();
+    }
+}
+
+void BrowserMainWindow::slotViewPageSource()
+{
+    if (!currentTab())
+        return;
+
+    QString markup = currentTab()->page()->mainFrame()->toHtml();
+    QPlainTextEdit *view = new QPlainTextEdit(markup);
+    view->setWindowTitle(tr("Page Source of %1").arg(currentTab()->title()));
+    view->setMinimumWidth(640);
+    view->setAttribute(Qt::WA_DeleteOnClose);
+    view->show();
+}
+
+void BrowserMainWindow::slotHome()
+{
+    QSettings settings;
+    settings.beginGroup(QLatin1String("MainWindow"));
+    QString home = settings.value(QLatin1String("home"), QLatin1String("http://qtsoftware.com/")).toString();
+    loadPage(home);
+}
+
+void BrowserMainWindow::slotWebSearch()
+{
+    m_toolbarSearch->lineEdit()->selectAll();
+    m_toolbarSearch->lineEdit()->setFocus();
+}
+
+void BrowserMainWindow::slotToggleInspector(bool enable)
+{
+    QWebSettings::globalSettings()->setAttribute(QWebSettings::DeveloperExtrasEnabled, enable);
+    if (enable) {
+        int result = QMessageBox::question(this, tr("Web Inspector"),
+                                           tr("The web inspector will only work correctly for pages that were loaded after enabling.\n"
+                                           "Do you want to reload all pages?"),
+                                           QMessageBox::Yes | QMessageBox::No);
+        if (result == QMessageBox::Yes) {
+            m_tabWidget->reloadAllTabs();
+        }
+    }
+}
+
+void BrowserMainWindow::slotSwapFocus()
+{
+    if (currentTab()->hasFocus())
+        m_tabWidget->currentLineEdit()->setFocus();
+    else
+        currentTab()->setFocus();
+}
+
+void BrowserMainWindow::loadPage(const QString &page)
+{
+    QUrl url = guessUrlFromString(page);
+    loadUrl(url);
+}
+
+TabWidget *BrowserMainWindow::tabWidget() const
+{
+    return m_tabWidget;
+}
+
+WebView *BrowserMainWindow::currentTab() const
+{
+    return m_tabWidget->currentWebView();
+}
+
+void BrowserMainWindow::slotLoadProgress(int progress)
+{
+    if (progress < 100 && progress > 0) {
+        m_chaseWidget->setAnimated(true);
+        disconnect(m_stopReload, SIGNAL(triggered()), m_reload, SLOT(trigger()));
+        if (m_stopIcon.isNull())
+            m_stopIcon = style()->standardIcon(QStyle::SP_BrowserStop);
+        m_stopReload->setIcon(m_stopIcon);
+        connect(m_stopReload, SIGNAL(triggered()), m_stop, SLOT(trigger()));
+        m_stopReload->setToolTip(tr("Stop loading the current page"));
+    } else {
+        m_chaseWidget->setAnimated(false);
+        disconnect(m_stopReload, SIGNAL(triggered()), m_stop, SLOT(trigger()));
+        m_stopReload->setIcon(m_reloadIcon);
+        connect(m_stopReload, SIGNAL(triggered()), m_reload, SLOT(trigger()));
+        m_stopReload->setToolTip(tr("Reload the current page"));
+    }
+}
+
+void BrowserMainWindow::slotAboutToShowBackMenu()
+{
+    m_historyBackMenu->clear();
+    if (!currentTab())
+        return;
+    QWebHistory *history = currentTab()->history();
+    int historyCount = history->count();
+    for (int i = history->backItems(historyCount).count() - 1; i >= 0; --i) {
+        QWebHistoryItem item = history->backItems(history->count()).at(i);
+        QAction *action = new QAction(this);
+        action->setData(-1*(historyCount-i-1));
+        QIcon icon = BrowserApplication::instance()->icon(item.url());
+        action->setIcon(icon);
+        action->setText(item.title());
+        m_historyBackMenu->addAction(action);
+    }
+}
+
+void BrowserMainWindow::slotAboutToShowForwardMenu()
+{
+    m_historyForwardMenu->clear();
+    if (!currentTab())
+        return;
+    QWebHistory *history = currentTab()->history();
+    int historyCount = history->count();
+    for (int i = 0; i < history->forwardItems(history->count()).count(); ++i) {
+        QWebHistoryItem item = history->forwardItems(historyCount).at(i);
+        QAction *action = new QAction(this);
+        action->setData(historyCount-i);
+        QIcon icon = BrowserApplication::instance()->icon(item.url());
+        action->setIcon(icon);
+        action->setText(item.title());
+        m_historyForwardMenu->addAction(action);
+    }
+}
+
+void BrowserMainWindow::slotAboutToShowWindowMenu()
+{
+    m_windowMenu->clear();
+    m_windowMenu->addAction(m_tabWidget->nextTabAction());
+    m_windowMenu->addAction(m_tabWidget->previousTabAction());
+    m_windowMenu->addSeparator();
+    m_windowMenu->addAction(tr("Downloads"), this, SLOT(slotDownloadManager()), QKeySequence(tr("Alt+Ctrl+L", "Download Manager")));
+
+    m_windowMenu->addSeparator();
+    QList<BrowserMainWindow*> windows = BrowserApplication::instance()->mainWindows();
+    for (int i = 0; i < windows.count(); ++i) {
+        BrowserMainWindow *window = windows.at(i);
+        QAction *action = m_windowMenu->addAction(window->windowTitle(), this, SLOT(slotShowWindow()));
+        action->setData(i);
+        action->setCheckable(true);
+        if (window == this)
+            action->setChecked(true);
+    }
+}
+
+void BrowserMainWindow::slotShowWindow()
+{
+    if (QAction *action = qobject_cast<QAction*>(sender())) {
+        QVariant v = action->data();
+        if (v.canConvert<int>()) {
+            int offset = qvariant_cast<int>(v);
+            QList<BrowserMainWindow*> windows = BrowserApplication::instance()->mainWindows();
+            windows.at(offset)->activateWindow();
+            windows.at(offset)->currentTab()->setFocus();
+        }
+    }
+}
+
+void BrowserMainWindow::slotOpenActionUrl(QAction *action)
+{
+    int offset = action->data().toInt();
+    QWebHistory *history = currentTab()->history();
+    if (offset < 0)
+        history->goToItem(history->backItems(-1*offset).first()); // back
+    else if (offset > 0)
+        history->goToItem(history->forwardItems(history->count() - offset + 1).back()); // forward
+ }
+
+void BrowserMainWindow::geometryChangeRequested(const QRect &geometry)
+{
+    setGeometry(geometry);
+}
+