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# browsermainwindow.h Example File
demos/browser/browsermainwindow.h

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     #ifndef BROWSERMAINWINDOW_H
     #define BROWSERMAINWINDOW_H

     #include <QtGui/QMainWindow>
     #include <QtGui/QIcon>
     #include <QtCore/QUrl>

     QT_BEGIN_NAMESPACE
     class QAuthenticator;
     class QLineEdit;
     class QNetworkProxy;
     class QNetworkReply;
     class QSslError;
     class QTabWidget;
     QT_END_NAMESPACE

     class WebView;
     class BrowserTabProxy;
     class ChaseWidget;
     class ToolbarSearch;
     class CookieJar;
     class History;
     class AutoSave;
     class DownloadManager;

     /**
      * @short The MainWindow of the Browser Application.
      *
      * This is keeping track of the menu, window title, creating and
      * closing tabs.
      */
     class BrowserMainWindow : public QMainWindow {
         Q_OBJECT

     public:
         BrowserMainWindow();
         ~BrowserMainWindow();

     public:
         static QUrl guessUrlFromString(const QString &);

         WebView *createTab();

         void loadPage(const QString &);

         QString currentPage() const;

     private slots:
         void slotHandleUnsupportedContent(QNetworkReply *reply);
         void save();
         void restore();
         void restoreLastSession();

         void slotLoadUrl(const QUrl &url);
         void slotSearch(const QUrl &url);

         void slotNewTab();
         void slotCloseTab(int);
         void slotPreferences();

         void slotUpdateStatusbar(const QString &);
         void slotUpdateWindowTitle(const QString &);

         void slotCurrentTabChanged(int);

         void slotNewWindow();
         void slotOpenFile();
         void slotCloseTab();
         void slotUndo();
         void slotRedo();
         void slotCut();
         void slotCopy();
         void slotPaste();
         void slotStop();
         void slotReload();
         void slotTextBigger();
         void slotTextNormal();
         void slotTextSmaller();
         void slotToggleFullScreen(bool enable);
         void slotPageSource();
         void slotBack();
         void slotForward();
         void slotHome();
         void slotWebSearch();
         void slotToggleInspector(bool enable);
         void slotToggleToolbar();
         void slotToggleStatusbar();
         void slotAboutApplication();
         void slotUrlEntered();
         void slotAboutToShowRecentTabs();
         void slotAboutToShowRecentTriggered(QAction *action);

         void slotLoadStarted();
         void slotLoadFinished();
         void slotUrlChanged(const QUrl &url);

         void slotWebViewTitleChanged(const QString &);
         void slotWebViewIconChanged();
         void slotDownloadManager();

         void slotNextTab();
         void slotPreviousTab();

         void slotAuthenticationRequired(WebView*, QNetworkReply*, QAuthenticator*);
         void slotProxyAuthenticationRequired(WebView*, const QNetworkProxy&, QAuthenticator*);
         void slotSslErrors(WebView*, QNetworkReply*, const QList<QSslError>& error);

     private:
         void setupMenu();
         void setupToolBar();
         void setCurrentTab(WebView *tab);
         void replaceCurrentUrl(const QUrl &);
         WebView *currentTab() const;

         void updateStatusbarActionText(bool visible);
         void updateToolbarActionText(bool visible);

     private:
         QToolBar *navigationBar;
         QTabWidget *m_mainTabWidget;
         ToolbarSearch *m_toolbarSearch;
         QLineEdit *m_urlEdit;
         ChaseWidget *m_chaseWidget;
         CookieJar *m_cookieJar;
         History *m_history;
         QMenu *m_recentlyClosedTabsMenu;
         AutoSave *m_autoSave;
         DownloadManager *m_downloadManager;

         QAction *m_historyBack;
         QAction *m_historyForward;
         QAction *m_stop;
         QAction *m_reload;
         QAction *m_stopReload;
         QAction *m_cut;
         QAction *m_copy;
         QAction *m_paste;
         QAction *m_undo;
         QAction *m_redo;
         QAction *m_viewToolbar;
         QAction *m_viewStatusbar;
         QAction *m_newTab;
         QAction *m_closeTab;
         QAction *m_downloads;
         QAction *m_textBigger;
         QAction *m_textNormal;
         QAction *m_textSmaller;
         QAction *m_nextTab;
         QAction *m_previousTab;
         QAction *m_recentlyClosedTabsAction;
         QAction *m_restoreLastSession;

         QIcon m_reloadIcon;
         QIcon m_stopIcon;

         friend class BrowserTabProxy;
         BrowserTabProxy *m_proxy;

         static const int LastClosedUrlsSize = 10;
         QList<QUrl> m_recentlyClosedUrls;
     };

     #endif // BROWSERMAINWINDOW_H