optionsWidget.hh

/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
*                           www.openflipper.org                              *
*                                                                            *
*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
*                                                                            *
*  OpenFlipper is free software: you can redistribute it and/or modify       *
*  it under the terms of the GNU Lesser General Public License as            *
*  published by the Free Software Foundation, either version 3 of            *
*  the License, or (at your option) any later version with the               *
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*  If other files instantiate templates or use macros                        *
*  or inline functions from this file, or you compile this file and          *
*  link it with other files to produce an executable, this file does         *
*  not by itself cause the resulting executable to be covered by the         *
*  GNU Lesser General Public License. This exception does not however        *
*  invalidate any other reasons why the executable file might be             *
*  covered by the GNU Lesser General Public License.                         *
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*  OpenFlipper is distributed in the hope that it will be useful,            *
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*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
*  GNU Lesser General Public License for more details.                       *
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*  You should have received a copy of the GNU LesserGeneral Public           *
*  License along with OpenFlipper. If not,                                   *
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\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
*   $Revision: 12305 $                                                       *
*   $LastChangedBy: moebius $                                                *
*   $Date: 2011-09-09 16:05:57 +0200 (Fr, 09 Sep 2011) $                     *
*                                                                            *
\*===========================================================================*/




#ifndef OPTIONSWIDGET_HH
#define OPTIONSWIDGET_HH

#include "ui_optionsWidget.hh"
#include <QtGui>
#include <QStringList>
#include <QtNetwork>

#include <OpenFlipper/Core/PluginInfo.hh>
#include <ACG/Scenegraph/DrawModes.hh>

//map for keyBindings
typedef std::multimap< std::pair< QObject*, int >, std::pair< int, Qt::KeyboardModifiers > > InverseKeyMap;


class OptionsWidget : public QWidget, public Ui::OptionsWidget
{

Q_OBJECT

public:
   OptionsWidget(std::vector<PluginInfo>& _plugins, std::vector<KeyBinding>& _core, InverseKeyMap& _invKeys, QWidget* parent =0 );

signals:
   void applyOptions();
   void saveOptions();

   void addKeyMapping(int _key, Qt::KeyboardModifiers _modifiers, QObject* _plugin, int _keyBindingID);

private slots:
   void slotOk();
   void slotApply();

   void slotCancel();

   void slotCheckUpdates();

   void slotGetUpdates();

   void getBackgroundColor();
   void getBaseColor();

   void keyTreeItemChanged( QTreeWidgetItem* current, QTreeWidgetItem* previous );

   void keyTreeDoubleClicked(QTreeWidgetItem* _item, int col);

   void updateShortcut();

   void slotShowPluginOptions(const QString& _pluginName );

   void restoreKeyPresets();

   void updateViewerSettings(int _row);

   void viewerSettingsChanged(QListWidgetItem* _item);
   void viewerSettingsChanged(int _index);

   void switchStackedWidget();

   void slotPreviewStereoSettings(int _tmpParam = 0);
   
   void slotClearSettings();
   
   void slotClearINI();

protected:
   void showEvent ( QShowEvent * event );

private:

   // plugin Options
   void initPluginOptions();

   QVBoxLayout* pluginOptionsLayout;

   //key-bindings
   std::vector<PluginInfo>& plugins_;
   std::vector<KeyBinding>& coreKeys_;

   InverseKeyMap& keys_;

   int getPluginInfo(QString pluginName);

   void initKeyTree();

   void applyShortcuts();

   // flag indicating if something went wrong and the request has to be aborted
   bool httpRequestAborted;

   // Id of the current request
   int httpGetId;

   // Request variable
   QHttp *http;

   // File for http downloads
   QFile *file;

   // ProgressDialog for Downloads
   QProgressDialog *progressDialog;

   // What type of download is currently active
   enum DOWNLOAD {
      NONE,
      VERSIONS_FILE,
      PLUGIN,
      WINDOWS_SETUP
   } downloadType;

  // remember changes to viewer properties
  std::vector< ACG::SceneGraph::DrawModes::DrawMode > defaultDrawModes_;
  std::vector< bool >  defaultProjectionMode_;
  std::vector< int >   defaultViewingDirections_;
  std::vector< bool >  defaultRotationLocks_;

  bool updatingViewerSettings_;
  
  // Store current background color
  QColor backgroundColor_;

private:
   void startDownload( QString _url );

   void compareVersions();

   bool isNewer(QString _current, QString _latest);

   void updateVersionsTable();

private slots:

   // This slot is called when a http request has been finished
   void httpRequestFinished(int requestId, bool error);

   // Parses the response and gives feedback
   void readResponseHeader(const QHttpResponseHeader &responseHeader);

   // Updates the progress Dialog while downloading
   void updateDataReadProgress(int bytesRead, int totalBytes);

   // Progress dialog callback for cancel
   void cancelDownload();

   // Update component of OpenFlipper
   void updateComponent();
   
   // Tracks whether another language has been selected
   void slotTranslationIndexChanged(int);

private:
   QStringList updatedPlugins_;

   QString pluginPath_;

   QString currentUpdateName_;
   
   bool restartRequired_;
   bool exitOnClose_;


};

#endif //OPTIONSWIDGET_HH