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helpwindow.h

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**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Assistant of the Qt Toolkit.
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
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** (or its successors, if any) and the KDE Free Qt Foundation. In
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#ifndef HELPWINDOW_H
#define HELPWINDOW_H

#include <QTextBrowser>

class MainWindow;
class QKeyEvent;
class QMime;
class QMouseEvent;
class QMenu;

class HelpWindow : public QTextBrowser
{
    Q_OBJECT
public:
    HelpWindow( MainWindow *m, QWidget *parent = 0);
    void setSource( const QUrl &name );
    void blockScrolling( bool b );
    void openLinkInNewWindow( const QString &link );
    void openLinkInNewPage( const QString &link );
    void addMimePath( const QString &path );

    void mousePressEvent(QMouseEvent *e);
    void keyPressEvent(QKeyEvent *);

signals:
    void chooseWebBrowser();
    void choosePDFReader();

protected:
    virtual void contextMenuEvent(QContextMenuEvent *e);
    virtual void mouseReleaseEvent(QMouseEvent *e);

protected slots:
    void ensureCursorVisible();

private slots:
    void openLinkInNewWindow();
    void openLinkInNewPage();

    bool isKDERunning() const;

private:
    bool hasAnchorAt(const QPoint& pos);

    MainWindow *mw;
    QString lastAnchor;
    bool blockScroll;
    bool shiftPressed;
    bool newWindow;
    bool fwdAvail;
    bool backAvail;
};

#endif // HELPWINDOW_H

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