Long live Qt 4.5!

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diff --git a/tools/assistant/compat/helpdialog.h b/tools/assistant/compat/helpdialog.h
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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 Qt Assistant 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef HELPDIALOG_H
+#define HELPDIALOG_H
+
+#include "ui_helpdialog.h"
+#include "index.h"
+#include "helpwindow.h"
+#include "docuparser.h"
+
+#include <QList>
+#include <QPair>
+#include <QListWidget>
+#include <QTreeWidget>
+#include <QMap>
+#include <QStringList>
+#include <QValidator>
+#include <qmenu.h>
+#include <QHash>
+
+QT_BEGIN_NAMESPACE
+
+class QProgressBar;
+class MainWindow;
+class QTextBrowser;
+class IndexListModel;
+
+class HelpNavigationListItem : public QListWidgetItem
+{
+public:
+    HelpNavigationListItem(QListWidget *ls, const QString &txt);
+
+    void addLink(const QString &link);
+    QStringList links() const { return linkList; }
+private:
+    QStringList linkList;
+
+};
+
+class SearchValidator : public QValidator
+{
+    Q_OBJECT
+public:
+    SearchValidator(QObject *parent)
+        : QValidator(parent) {}
+    ~SearchValidator() {}
+    QValidator::State validate(QString &str, int &) const;
+};
+
+class HelpDialog : public QWidget
+{
+    Q_OBJECT
+public:
+    HelpDialog(QWidget *parent, MainWindow *h);
+
+    inline QTabWidget *tabWidget() const
+    { return ui.tabWidget; }
+
+    QString titleOfLink(const QString &link);
+    bool eventFilter(QObject *, QEvent *);
+    bool lastWindowClosed() { return lwClosed; }
+
+    void timerEvent(QTimerEvent *e);
+    static QString removeAnchorFromLink(const QString &link);
+
+signals:
+    void showLink(const QString &s);
+    void showSearchLink(const QString &s, const QStringList &terms);
+
+public slots:
+    void initialize();
+    void startSearch();
+    void addBookmark();
+    void currentTabChanged(int index);
+    void locateContents(const QString &link);
+
+private slots:
+    void on_buttonAdd_clicked();
+    void on_buttonRemove_clicked();
+    void on_termsEdit_returnPressed();
+    void on_helpButton_clicked();
+    void on_searchButton_clicked();
+    void on_resultBox_itemActivated(QListWidgetItem*);
+    void updateSearchButton(const QString &txt);
+
+    void showResultPage(QListWidgetItem *);
+
+    void showTopic(QTreeWidgetItem *);
+    void loadIndexFile();
+    void insertContents();
+    void setupFullTextIndex();
+    void showTopic();
+    void searchInIndex(const QString &s);
+    void toggleContents();
+    void toggleIndex();
+    void toggleBookmarks();
+    void toggleSearch();
+    void lastWinClosed();
+    void setIndexingProgress(int prog);
+    void showListItemMenu(const QPoint &pos);
+    void showIndexItemMenu(const QPoint &pos);
+    void showTreeItemMenu(const QPoint &pos);
+    void insertBookmarks();
+    void processEvents();
+
+private:
+    typedef QList<ContentItem> ContentList;
+    void removeOldCacheFiles(bool onlyFulltextSearchIndex = false);
+    void buildKeywordDB();
+    quint32 getFileAges();
+    void showIndexTopic();
+    void showBookmarkTopic();
+    void setupTitleMap();
+    void saveBookmarks();
+    void showContentsTopic();
+    void showInitDoneMessage();
+    void buildContentDict();
+    QTreeWidgetItem * locateLink(QTreeWidgetItem *item, const QString &link);
+
+private:
+    Ui::HelpDialog ui;
+
+    IndexListModel *indexModel;
+    QMap<QString, QString> titleMap;
+    bool indexDone, bookmarksInserted, titleMapDone, contentsInserted;
+    bool lwClosed;
+    MainWindow *help;
+    QString documentationPath;
+    Index *fullTextIndex;
+    QStringList terms, foundDocs;
+    bool initDoneMsgShown;
+    void getAllContents();
+    QList<QPair<QString, ContentList> > contentList;
+    QMenu *itemPopup;
+    QString cacheFilesPath;
+    QStringList keywordDocuments;
+
+    QAction *actionOpenCurrentTab;
+    QAction *actionOpenLinkInNewWindow;
+    QAction *actionOpenLinkInNewTab;
+};
+
+QT_END_NAMESPACE
+
+#endif // HELPDIALOG_H