optionsWidget.cc 25.4 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 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              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  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.                        *
 *                                                                           *
 *  OpenFlipper 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 Lesser General Public License for more details.                      *
 *                                                                           *
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
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#include "optionsWidget.hh"
#include <iostream>
#include <OpenFlipper/common/GlobalOptions.hh>
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#include <ACG/Scenegraph/DrawModes.hh>
#include <OpenFlipper/ACGHelper/DrawModeConverter.hh>
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#include <OpenFlipper/INIFile/INIFile.hh>
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#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
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#include <QColorDialog>
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#include <QMessageBox>
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OptionsWidget::OptionsWidget(std::vector<PluginInfo>& _plugins, std::vector<KeyBinding>& _core, InverseKeyMap& _invKeys, QWidget *parent)
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  : QWidget(parent),
    plugins_(_plugins),
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    coreKeys_(_core),
    keys_(_invKeys)
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{
  setupUi(this);
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  connect(okButton,SIGNAL(clicked()),this,SLOT(slotOk()));
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  connect(applyButton,SIGNAL(clicked()),this,SLOT(slotApply()));
  connect(cancelButton,SIGNAL(clicked()),this,SLOT(slotCancel()));
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  connect(checkUpdateButton,SIGNAL(clicked()),this,SLOT(slotCheckUpdates()));
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  connect(updateButton,SIGNAL(clicked()),this,SLOT(slotGetUpdates()));
  updateButton->setEnabled(false);
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  // Viewer Settings
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  connect( restrictFPS, SIGNAL(toggled(bool)), FPS, SLOT(setEnabled(bool)) );
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  connect( viewerList, SIGNAL(currentRowChanged(int)), this, SLOT(updateViewerSettings(int)) );
  connect( availDrawModes, SIGNAL(itemChanged(QListWidgetItem*)), this, SLOT(viewerSettingsChanged(QListWidgetItem*)) );
  connect( projectionBox, SIGNAL(currentIndexChanged(int)), this, SLOT(viewerSettingsChanged(int)));
  connect( directionBox, SIGNAL(currentIndexChanged(int)), this, SLOT(viewerSettingsChanged(int)));

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  uint mode = 2;
  for (uint i=1; i < 22; i++) {
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    std::vector< QString > dm = drawModeToDescriptions( mode );
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    if ( !dm.empty() && dm[0].trimmed() != ""){
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      QListWidgetItem* item = new QListWidgetItem(dm[0]);
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      item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsUserCheckable | Qt::ItemIsSelectable);
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      item->setCheckState(Qt::Unchecked);
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      availDrawModes->addItem( item );
    }
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    mode = mode<<1;
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  }
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  for ( int i=0; i < PluginFunctions::viewers(); i++ ){
    viewerList->addItem("Viewer " + QString::number(i+1) );
    defaultDrawModes_.push_back( 0 );
    defaultProjectionMode_.push_back( 0 );
    defaultViewingDirections_.push_back( 0 );
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  }
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  pluginOptionsLayout = new QVBoxLayout;
  pluginOptions->setLayout( pluginOptionsLayout );

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  http = new QHttp(this);
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  // http specific connections
  connect(http, SIGNAL(requestFinished(int, bool)),
        this, SLOT(httpRequestFinished(int, bool)));
  connect(http, SIGNAL(responseHeaderReceived(const QHttpResponseHeader &)),
        this, SLOT(readResponseHeader(const QHttpResponseHeader &)));
  connect(http, SIGNAL(dataReadProgress(int, int)),
          this, SLOT(updateDataReadProgress(int, int)));
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  progressDialog = new QProgressDialog(this);
  connect(progressDialog, SIGNAL(canceled()), this, SLOT(cancelDownload()));
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  //colordialog
  connect(backgroundButton, SIGNAL(clicked()), this, SLOT(getBackgroundColor()) );
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  connect(baseColorButton, SIGNAL(clicked()), this, SLOT(getBaseColor()) );
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}

void OptionsWidget::getBackgroundColor(){
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  QColor newColor = QColorDialog::getColor ( OpenFlipper::Options::defaultBackgroundColor() );
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  OpenFlipper::Options::defaultBackgroundColor( newColor) ;
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  QPixmap color(16,16);
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  color.fill( OpenFlipper::Options::defaultBackgroundColor() );
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  backgroundButton->setIcon( QIcon(color) );
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}

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void OptionsWidget::getBaseColor(){
  QColor newColor = QColorDialog::getColor ( OpenFlipper::Options::defaultBaseColor() );

  OpenFlipper::Options::defaultBaseColor( newColor) ;

  QPixmap color(16,16);
  color.fill( OpenFlipper::Options::defaultBaseColor() );
  baseColorButton->setIcon( QIcon(color) );
}

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void OptionsWidget::viewerSettingsChanged(QListWidgetItem* /*_item*/){
  viewerSettingsChanged(0);
};

void OptionsWidget::viewerSettingsChanged(int /*_index*/){

  if ( !updatingViewerSettings_ ){
    //viewer defaults
    std::vector< QString > mode;

    for (int i=0; i < availDrawModes->count(); i++)
      if (availDrawModes->item(i)->checkState() == Qt::Checked)
	mode.push_back( availDrawModes->item(i)->text() );

    defaultDrawModes_[         viewerList->currentRow() ] = descriptionsToDrawMode(mode);
    defaultProjectionMode_[    viewerList->currentRow() ] = projectionBox->currentIndex();
    defaultViewingDirections_[ viewerList->currentRow() ] = directionBox->currentIndex();
  }
};

void OptionsWidget::updateViewerSettings(int _row){

  updatingViewerSettings_ = true;

  for (int i = 0 ; i < availDrawModes->count(); ++i )
    availDrawModes->item( i )->setCheckState(Qt::Unchecked) ;

  //Check the drawModes from StandardDrawMode
  std::vector< QString > dm = drawModeToDescriptions( defaultDrawModes_[_row] );

  for (uint i=0; i < dm.size(); i++){
    if ( !dm.empty() ) {
      QList< QListWidgetItem* > found = availDrawModes->findItems(dm[i],Qt::MatchExactly);
      for(int k=0; k < found.count(); k++)
        (found[k])->setCheckState(Qt::Checked);
    }
  }

  projectionBox->setCurrentIndex( defaultProjectionMode_[_row] );
  directionBox->setCurrentIndex(  defaultViewingDirections_[_row] );

  updatingViewerSettings_ = false;
}

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void OptionsWidget::showEvent ( QShowEvent * /*event*/ ) {
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  //general
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  fullscreen->setChecked( OpenFlipper::Options::fullScreen() );
  splash->setChecked( OpenFlipper::Options::splash() );
  toolbox->setChecked( !OpenFlipper::Options::hideToolbox() );
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  loggerHidden->setChecked( OpenFlipper::Options::loggerState() == OpenFlipper::Options::Hidden);
  loggerNormal->setChecked( OpenFlipper::Options::loggerState() == OpenFlipper::Options::Normal);
  loggerInScene->setChecked( OpenFlipper::Options::loggerState() == OpenFlipper::Options::InScene);
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  enableLogFile->setChecked( OpenFlipper::Options::logFileEnabled() );
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  //paths
  logFile->setText( OpenFlipper::Options::logFile() );
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  //stereo
  stereoOpengl->setChecked (OpenFlipper::Options::stereoMode() == OpenFlipper::Options::OpenGL);
  stereoAnaglyph->setChecked (OpenFlipper::Options::stereoMode() == OpenFlipper::Options::AnaglyphRedCyan);
  stereoCustomAnaglyph->setChecked (OpenFlipper::Options::stereoMode() == OpenFlipper::Options::AnaglyphCustom);
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  stereoPhilips->setChecked (OpenFlipper::Options::stereoMode() == OpenFlipper::Options::Philips);
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  eyeDistance->setValue (OpenFlipper::Options::eyeDistance());
  focalDistance->setValue (OpenFlipper::Options::focalDistance() * 1000);

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  std::vector<float> mat = OpenFlipper::Options::anaglyphLeftEyeColorMatrix ();
  lcm0->setValue (mat[0]);
  lcm1->setValue (mat[1]);
  lcm2->setValue (mat[2]);
  lcm3->setValue (mat[3]);
  lcm4->setValue (mat[4]);
  lcm5->setValue (mat[5]);
  lcm6->setValue (mat[6]);
  lcm7->setValue (mat[7]);
  lcm8->setValue (mat[8]);

  mat = OpenFlipper::Options::anaglyphRightEyeColorMatrix ();
  rcm0->setValue (mat[0]);
  rcm1->setValue (mat[1]);
  rcm2->setValue (mat[2]);
  rcm3->setValue (mat[3]);
  rcm4->setValue (mat[4]);
  rcm5->setValue (mat[5]);
  rcm6->setValue (mat[6]);
  rcm7->setValue (mat[7]);
  rcm8->setValue (mat[8]);

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  noMousePick->setChecked (!OpenFlipper::Options::stereoMousePick());

  nativeMouse->setChecked (!OpenFlipper::Options::glMouse());

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  // plugin options
  initPluginOptions();

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  // updates
  updateUser->setText( OpenFlipper::Options::updateUsername() );
  updatePass->setText( OpenFlipper::Options::updatePassword() );
  updateURL->setText( OpenFlipper::Options::updateUrl( ) );

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  // debugging
  slotDebugging->setChecked(OpenFlipper::Options::doSlotDebugging());

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  renderPicking->setChecked(OpenFlipper::Options::renderPicking());
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  int itemIndex = pickingRenderMode->findText( OpenFlipper::Options::pickingRenderMode() );
  if (  itemIndex != -1 )
    pickingRenderMode->setCurrentIndex(itemIndex);
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  //keyBindings
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  initKeyTree();
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  keyTree->disconnect(); //to be sure..disconnect every slot
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  connect(keyTree, SIGNAL(currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)),
          this,    SLOT(keyTreeItemChanged( QTreeWidgetItem*, QTreeWidgetItem*)) );
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  connect(keyTree, SIGNAL(itemDoubleClicked (QTreeWidgetItem*, int)),
          this,    SLOT(keyTreeDoubleClicked( QTreeWidgetItem*, int)) );
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  connect(shortcutButton, SIGNAL(keyChanged()), this, SLOT(updateShortcut()) );
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  connect(presetsButton, SIGNAL(clicked()), this, SLOT(restoreKeyPresets()) );
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  //Init Viewer Settings
  wZoomFactor->setText( QString::number(OpenFlipper::Options::wheelZoomFactor(), 'f') );
  wZoomFactorShift->setText( QString::number(OpenFlipper::Options::wheelZoomFactorShift(), 'f') );
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  wheelBox->setChecked( OpenFlipper::Options::showWheelsAtStartup() );

  restrictFPS->setChecked( OpenFlipper::Options::restrictFrameRate() );
  FPS->setValue( OpenFlipper::Options::maxFrameRate() );

  QPixmap color(16,16);
  color.fill( OpenFlipper::Options::defaultBackgroundColor() );
  backgroundButton->setIcon( QIcon(color) );

  color.fill( OpenFlipper::Options::defaultBaseColor() );
  baseColorButton->setIcon( QIcon(color) );

  randomBaseColor->setChecked( OpenFlipper::Options::randomBaseColor() );
  
  viewerList->setCurrentRow(0);

  for ( int i=0; i < PluginFunctions::viewers(); i++ ){
    defaultDrawModes_[i] = OpenFlipper::Options::defaultDrawMode(i);
    defaultProjectionMode_[i] = OpenFlipper::Options::defaultProjectionMode(i);
    defaultViewingDirections_[i] = OpenFlipper::Options::defaultViewingDirection(i);
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  }
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  updateViewerSettings(0);

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  viewerLayout->setCurrentIndex( OpenFlipper::Options::defaultViewerLayout() );
  
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  gridVisible->setChecked (OpenFlipper::Options::gridVisible());

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  if (OpenFlipper::Options::translation() == "en_US")
    translation->setCurrentIndex(0);
  else if (OpenFlipper::Options::translation() == "de_DE")
    translation->setCurrentIndex(1);
  else
    translation->setCurrentIndex(2);

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  updateVersionsTable();

}

void OptionsWidget::updateVersionsTable() {

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  updatedPlugins_.clear();

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  QString fileName = QDir::home().absolutePath() + OpenFlipper::Options::dirSeparator() +
                     ".OpenFlipper" + OpenFlipper::Options::dirSeparator() + "Versions.ini" ;

  INIFile ini;

  ini.connect(fileName,false);

  QString systemString = "";

  if ( OpenFlipper::Options::isWindows() ) {
    systemString = "VersionWindows";
  } else if (OpenFlipper::Options::isLinux()) {
    systemString = "VersionLinux";
  } else {
    std::cerr << "Unsupported platform for update" << std::endl;
    return;
  }

  updateList->clear();
  updateList->setRowCount( 1 + plugins_.size() );
  updateList->setColumnCount(3);

  QStringList header;

  header << "Component" << "current Version" << "latest Version" ;
  updateList->setHorizontalHeaderLabels(header);

  QBrush currentBrush(Qt::white);

  QTableWidgetItem * newItem = 0;

  QString coreVersion;

  if ( ini.is_connected() && ini.get_entry(coreVersion, "Core" , systemString ) ) {

    // Newer Version available
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    if ( isNewer(OpenFlipper::Options::coreVersion(),coreVersion) ) {
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      currentBrush.setColor(Qt::red);
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      updatedPlugins_ << "Core";
    } else if ( isNewer(coreVersion , OpenFlipper::Options::coreVersion()) )
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      currentBrush.setColor(Qt::blue);
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    else
      currentBrush.setColor(Qt::green);

    newItem = new QTableWidgetItem( coreVersion );

  } else {

    // No local Information available
    currentBrush.setColor(Qt::yellow);

    newItem = new QTableWidgetItem( "Not Available" );
  }

  newItem->setBackground(currentBrush);
  updateList->setItem(0, 2, newItem);

  newItem = new QTableWidgetItem( OpenFlipper::Options::coreVersion() );
  newItem->setBackground(currentBrush);
  updateList->setItem(0, 1, newItem);

  newItem = new QTableWidgetItem( "Core" );
  newItem->setBackground(currentBrush);
  updateList->setItem(0, 0, newItem);


  for ( uint i = 0 ; i < plugins_.size(); ++i ) {
    QString latestVersion;

    if ( ini.is_connected() && ini.get_entry(latestVersion, plugins_[i].name , systemString ) ) {


      // Newer Version available
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      if ( isNewer(plugins_[i].version,latestVersion) ) {
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         currentBrush.setColor(Qt::red);
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         QFileInfo pluginFile(plugins_[i].path );
         updatedPlugins_ << pluginFile.fileName();
      } else if ( isNewer(latestVersion,plugins_[i].version) )
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         currentBrush.setColor(Qt::blue);
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      else
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         currentBrush.setColor(Qt::green);
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      newItem = new QTableWidgetItem( latestVersion );

    } else {

      // No local Information available
      currentBrush.setColor(Qt::yellow);

      newItem = new QTableWidgetItem( "Not Available" );
    }

    newItem->setBackground(currentBrush);
    updateList->setItem( i + 1 , 2, newItem);

    newItem = new QTableWidgetItem( plugins_[i].version );
    newItem->setBackground(currentBrush);
    updateList->setItem( i + 1 , 1, newItem);

    newItem = new QTableWidgetItem( plugins_[i].name );
    newItem->setBackground(currentBrush);
    updateList->setItem( i + 1 , 0, newItem);
  }

  updateList->resizeColumnsToContents();

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  updateButton->setEnabled(!updatedPlugins_.empty());

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}

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void OptionsWidget::initPluginOptions(){

  pluginList->disconnect();

  connect(pluginList, SIGNAL( currentTextChanged(const QString&) ), this, SLOT( slotShowPluginOptions(const QString&) ) );

  //init list of plugins
  pluginList->clear();

  for ( uint i = 0 ; i < plugins_.size(); ++i )
    if (plugins_[i].optionsWidget != 0){

      pluginList->addItem( plugins_[i].name );
    }

  if ( pluginList->count() > 0)
    pluginList->setCurrentRow(0);
}

void OptionsWidget::slotShowPluginOptions(const QString& _pluginName ){

  //remove old children
  for (int i = 0; i < pluginOptionsLayout->count(); ++i){
    QWidget* w = pluginOptionsLayout->itemAt(i)->widget();

    if (w != 0)
      w->setParent(0);

    pluginOptionsLayout->removeItem( pluginOptionsLayout->itemAt(i) );
  }

  //find the new optionsWidget
  for ( uint i = 0 ; i < plugins_.size(); ++i )
    if (plugins_[i].optionsWidget != 0 && plugins_[i].name == _pluginName){

      pluginOptionsLayout->addWidget( plugins_[i].optionsWidget );
      pluginOptionsLayout->addStretch();
      return;
    }
}

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void OptionsWidget::slotApply() {
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  //general
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  OpenFlipper::Options::fullScreen( fullscreen->isChecked() );
  OpenFlipper::Options::splash( splash->isChecked() );
  OpenFlipper::Options::hideToolbox( !toolbox->isChecked() );
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  if (loggerHidden->isChecked())
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    OpenFlipper::Options::loggerState( OpenFlipper::Options::Hidden );
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  else if (loggerInScene->isChecked())
    OpenFlipper::Options::loggerState( OpenFlipper::Options::InScene );
  else
    OpenFlipper::Options::loggerState( OpenFlipper::Options::Normal );
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  OpenFlipper::Options::logFileEnabled( enableLogFile->isChecked() );

  //paths
  OpenFlipper::Options::logFile( logFile->text() );
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  //viewer
  OpenFlipper::Options::wheelZoomFactor( wZoomFactor->text().toDouble() );
  OpenFlipper::Options::wheelZoomFactorShift( wZoomFactorShift->text().toDouble() );

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  OpenFlipper::Options::restrictFrameRate( restrictFPS->isChecked() );
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  OpenFlipper::Options::showWheelsAtStartup( wheelBox->isChecked() );

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  OpenFlipper::Options::maxFrameRate( FPS->value() );

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  OpenFlipper::Options::randomBaseColor( randomBaseColor->isChecked() );

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  //stereo
  if (stereoCustomAnaglyph->isChecked ())
     OpenFlipper::Options::stereoMode(OpenFlipper::Options::AnaglyphCustom);
  else if (stereoAnaglyph->isChecked ())
    OpenFlipper::Options::stereoMode(OpenFlipper::Options::AnaglyphRedCyan);
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  else if (stereoPhilips->isChecked() )
    OpenFlipper::Options::stereoMode(OpenFlipper::Options::Philips);
  else 
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    OpenFlipper::Options::stereoMode(OpenFlipper::Options::OpenGL);

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  OpenFlipper::Options::eyeDistance(eyeDistance->value ());
  OpenFlipper::Options::focalDistance((float)focalDistance->value () / 1000);

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  OpenFlipper::Options::stereoMousePick(!noMousePick->isChecked ());

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  std::vector<float> mat (9, 0);
  mat[0] = lcm0->value ();
  mat[1] = lcm1->value ();
  mat[2] = lcm2->value ();
  mat[3] = lcm3->value ();
  mat[4] = lcm4->value ();
  mat[5] = lcm5->value ();
  mat[6] = lcm6->value ();
  mat[7] = lcm7->value ();
  mat[8] = lcm8->value ();

  OpenFlipper::Options::anaglyphLeftEyeColorMatrix (mat);

  mat[0] = rcm0->value ();
  mat[1] = rcm1->value ();
  mat[2] = rcm2->value ();
  mat[3] = rcm3->value ();
  mat[4] = rcm4->value ();
  mat[5] = rcm5->value ();
  mat[6] = rcm6->value ();
  mat[7] = rcm7->value ();
  mat[8] = rcm8->value ();

  OpenFlipper::Options::anaglyphRightEyeColorMatrix (mat);

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  OpenFlipper::Options::glMouse(!nativeMouse->isChecked ());
  
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  // updates
  OpenFlipper::Options::updateUrl( updateURL->text() );
  OpenFlipper::Options::updateUsername( updateUser->text() );
  OpenFlipper::Options::updatePassword( updatePass->text() );

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  // Debugging
  OpenFlipper::Options::doSlotDebugging(slotDebugging->isChecked());

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  OpenFlipper::Options::renderPicking(renderPicking->isChecked());
  OpenFlipper::Options::pickingRenderMode( pickingRenderMode->currentText() );

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  //viewer defaults
  for (int i=0; i < PluginFunctions::viewers(); i++){
    OpenFlipper::Options::defaultDrawMode(         defaultDrawModes_[i],         i );
    OpenFlipper::Options::defaultProjectionMode(   defaultProjectionMode_[i],    i );
    OpenFlipper::Options::defaultViewingDirection( defaultViewingDirections_[i], i );
  }
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  OpenFlipper::Options::defaultViewerLayout( viewerLayout->currentIndex() );
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  OpenFlipper::Options::gridVisible( gridVisible->isChecked() );
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  switch ( translation->currentIndex() ){
    case 0 : OpenFlipper::Options::translation("en_US");  break;
    case 1 : OpenFlipper::Options::translation("de_DE");  break;
    default: OpenFlipper::Options::translation("locale"); break;
  }

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  applyShortcuts();

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  emit applyOptions();
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  emit saveOptions();
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}
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void OptionsWidget::slotOk(){
  slotApply();
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  hide();
}

void OptionsWidget::slotCancel() {
  hide();
}
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void OptionsWidget::slotCheckUpdates() {

   // http://www.graphics.rwth-aachen.de/restricted/OpenFlipper-SIL/

  downloadType = VERSIONS_FILE;
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  QString ServerMainURL = updateURL->text();
  if ( !ServerMainURL.endsWith("/") )
     ServerMainURL += "/";
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  ServerMainURL += "Versions.ini";
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  startDownload(ServerMainURL);
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}

void OptionsWidget::slotGetUpdates() {
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   std::cerr << "Not implemented yet: Get updates" << std::endl;
   QString url = updateURL->text();

   if ( !url.endsWith("/") )
     url += "/";


   pluginPath_.clear();
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   pluginPath_ = "Plugins/";
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   if ( OpenFlipper::Options::isWindows() ) {
      pluginPath_ += "Windows/";
   } else if ( OpenFlipper::Options::isLinux() ) {
      pluginPath_ += "Linux/";
   } else {
      std::cerr << "Unknown operating system type, aborting update" << std::endl;
      return;
   }

   if ( OpenFlipper::Options::is64bit() ) {
      pluginPath_ += "64/";
   } else if ( OpenFlipper::Options::is32bit() ) {
      pluginPath_ += "32/";
   } else {
      std::cerr << "Unknown architecture type, aborting update" << std::endl;
      return;
   }

   pluginPath_ += "Release/";

   if ( !updatedPlugins_.empty() && updatedPlugins_[0] == "Core" ) {
      std::cerr << "Core update not supported!" << std::endl;
      return;
   }

   if ( !updatedPlugins_.empty() ) {
      currentUpdateName_ = updatedPlugins_[0];
      std::cerr << "Downloading " << (url + pluginPath_ + currentUpdateName_).toStdString() << std::endl;
      updatedPlugins_.pop_front();

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      downloadType = PLUGIN;
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      startDownload(url + pluginPath_ + currentUpdateName_);
   }

}

void OptionsWidget::updateComponent() {
   std::cerr << "Todo : Update component" << std::endl;


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   QString sourceName = QDir::home().absolutePath() + OpenFlipper::Options::dirSeparator() +
                                     ".OpenFlipper" + OpenFlipper::Options::dirSeparator() + currentUpdateName_ ;

   QString targetName = OpenFlipper::Options::applicationDirStr() + "/" + pluginPath_ + currentUpdateName_;

   QFileInfo sourceFileInfo(sourceName);
   QFileInfo targetFileInfo(targetName);

   std::cerr << sourceName.toStdString() << std::endl;
   std::cerr << targetName.toStdString() << std::endl;

   if ( ! sourceFileInfo.exists() ) {
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      statusLabel->setText(tr("Download failed!"));
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      slotGetUpdates();
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      return;
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   } else {
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      if ( ! targetFileInfo.exists() ) {
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         statusLabel->setText(tr("plugin target does not exist"));
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         slotGetUpdates();
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         return;
      }

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      statusLabel->setText(tr("Installing new file"));
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      // Remove the old plugin
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      QFile targetFile(targetName);
      targetFile.remove();
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      // copy new to old
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      QFile::copy(sourceName,targetName);

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      // remove downloaded file
      QFile sourceFile(sourceName);
      sourceFile.remove();

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      statusLabel->setText(tr("updated ") + currentUpdateName_);
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   }
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   slotGetUpdates();
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}

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bool OptionsWidget::isNewer(QString _current, QString _latest) {

  QStringList latestVersionParts  = _latest.split('.');
  QStringList currentVersionParts = _current.split('.');

  bool newer = false;

  for ( int i = 0 ; i < latestVersionParts.size(); ++i ) {

    if ( i+1 > currentVersionParts.size() ) {
      // Versions are identical up to now. But latest version has additional version => updated
      newer = true;
      break;
    }

    bool ok = false;
    double latest  = latestVersionParts[i].toInt(&ok);
    double current = currentVersionParts[i].toInt(&ok);

    if ( !ok )
      std::cerr << "Error when parsing version strings!" << std::endl;

    if ( latest > current ) {
      newer = true;
      break;
    }
  }

  return newer;

}

void OptionsWidget::compareVersions() {

  QString fileName = QDir::home().absolutePath() + OpenFlipper::Options::dirSeparator() +
                     ".OpenFlipper" + OpenFlipper::Options::dirSeparator() + "Versions.ini" ;

  INIFile ini;
  if ( ! ini.connect(fileName,false) ) {
    std::cerr << "Failed to connect to Versions ini file" << std::endl;
    return;
  }

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  statusLabel->setText(tr("Checking for new versions"));
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  bool newerVersionsAvailable = false;

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  QString systemString = "";
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  if ( OpenFlipper::Options::isWindows() ) {
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    systemString = "VersionWindows";
  } else if (OpenFlipper::Options::isLinux()) {
    systemString = "VersionLinux";
  } else {
    std::cerr << "Unsupported platform for update" << std::endl;
    return;
  }

  QString coreVersion;

  if ( ini.get_entry(coreVersion, "Core" , systemString )) {
    if ( isNewer( OpenFlipper::Options::coreVersion(), coreVersion ) ) {
      newerVersionsAvailable = true;
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    }
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  }

  for ( uint i = 0 ; i < plugins_.size(); ++i ) {
    QString latestVersion;
    if ( ini.get_entry(latestVersion, plugins_[i].name , systemString )) {
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      if ( isNewer(  plugins_[i].version, latestVersion ) )
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        newerVersionsAvailable = true;
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    }
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  }

  if ( newerVersionsAvailable ) {
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    statusLabel->setText(tr("Updates found"));
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  } else {
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    statusLabel->setText(tr("No updates found"));
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  }

  ini.disconnect();
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  updateVersionsTable();
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}