# Source: tohelpbrowser.h |
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    //***************************************************************************
    /*
     * TOra - An Oracle Toolkit for DBA's and developers
     * Copyright (C) 2000-2001,2001 Underscore AB
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License
     * as published by the Free Software Foundation;  only version 2 of
     * the License is valid for this program.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
     *
     *      As a special exception, you have permission to link this program
     *      with the Oracle Client libraries and distribute executables, as long
     *      as you follow the requirements of the GNU GPL in regard to all of the
     *      software in the executable aside from Oracle client libraries.
     *
     *      Specifically you are not permitted to link this program with the
     *      Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
     *      And you are not permitted to distribute binaries compiled against
     *      these libraries without written consent from Underscore AB. Observe
     *      that this does not disallow linking to the Qt Free Edition.
     *
     * All trademarks belong to their respective owners.
     *
     ****************************************************************************/

    #ifndef __TOHELPBROWSER_H
    #define __TOHELPBROWSER_H

    #include
    #include

    class KURL;

    /**
     * Widget used to display HTML of help pages.
     */

    class toHelpBrowser : public KHTMLPart {
      Q_OBJECT

      /** List of backward history. The current page is at the end of the list.
       */
      std::list Backward;
      /** List of forward history if you have started walking backwards.
       */
      std::list Forward;
    private slots:
      /** Reimplemented for internal reasons.
       */
      void openURLRequest(const KURL &url,const KParts::URLArgs &);
    public:
      /** Create a help browser.
       * @param parent Parent widget.
       * @param name Name of widget.
       */
      toHelpBrowser(QWidget *parent,const char *name=NULL);
      /** Open an URL in this widget.
       * @param url URL to open.
       * @return Success of operator.
       */
      virtual bool openURL(const KURL &url);
      /** Get source of URL.
       * @return String containing the current localtion.
       */
      QString source(void);
    public slots:
      /** Go forward if available.
       */
      void forward(void);
      /** Go backward if available.
       */
      void backward(void);
    signals:
      /** Change availability of backward history.
       * @param avail Wether history is available.
       */
      void backwardAvailable(bool avail);
      /** Change availability of forward history.
       * @param avail Wether history is available.
       */
      void forwardAvailable(bool avail);
      /** The contents of the browser changed.
       */
      void textChanged(void);
    };

    #endif