helpWidget.hh

/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
*                                                                            *
\*===========================================================================*/



#ifndef HELPWIDGET_HH_
#define HELPWIDGET_HH_

#include "ui_helpWidget.h"

#include <QtHelp>
#include <QTextDocument>

#include <QHelpSearchEngine>
#include <QTabWidget>

#include <iostream>

#include "helpBrowser.hh"

class HelpWidget : public QMainWindow, public Ui::HelpWidget
{
  Q_OBJECT

  public:

          HelpWidget(QWidget* parent = 0, const QString& _homeSite = "", const bool _loadHomeSite = true);

          virtual ~HelpWidget();

          void setHomeSite(const QString& _homeSite);

private slots:

        void startSearch();

        void goBack();

        void goForward();

        void goHome();

        void showSearchWidget();

        //the entry was already selected by user
        void linkActivated(const QUrl& _url);

        //activate the url and jump to the entry
        void activateLink(const QUrl& _url);

        void showFoundSite(const QUrl& _url);

        void showResults(int _hits);

        // updates the buttons an the content widget
        // the content widget is synchronized with the helpBrowser
        void update(const QUrl& url);

        void openFoundSite(QListWidgetItem* _item);

        //updates only the buttons (for/back)
        void updateButtons();

  private:

        // For the search popup
        QDockWidget* searchWidget_;

        QTabWidget* tabWidget_;

        HelpBrowser* textWindow_;

        QHelpEngine* helpEngine_;
        QHelpSearchEngine* searchEngine_;

        QString homeSite_;

        int homeIndex_;

};


#endif /* HELPWIDGET_HH_ */