source: ntrip/trunk/BNC/src/bncwindow.cpp@ 6790

// Part of BNC, a utility for retrieving decoding and
// converting GNSS data streams from NTRIP broadcasters.
//
// Copyright (C) 2007
// German Federal Agency for Cartography and Geodesy (BKG)
// http://www.bkg.bund.de
// Czech Technical University Prague, Department of Geodesy
// http://www.fsv.cvut.cz
//
// Email: euref-ip@bkg.bund.de
//
// 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, version 2.
//
// 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.

/* -------------------------------------------------------------------------
 * BKG NTRIP Client
 * -------------------------------------------------------------------------
 *
 * Class:      bncWindow
 *
 * Purpose:    This class implements the main application window.
 *
 * Author:     L. Mervart
 *
 * Created:    24-Dec-2005
 *
 * Changes:    
 *
 * -----------------------------------------------------------------------*/

#include <iostream>

#include <unistd.h>
#include "bncwindow.h" 
#include "bnccore.h" 
#include "bncgetthread.h" 
#include "bnctabledlg.h" 
#include "bncipport.h" 
#include "bncudpport.h" 
#include "bncserialport.h" 
#include "bnchlpdlg.h" 
#include "bnchtml.h" 
#include "bnctableitem.h"
#include "bncsettings.h"
#include "bncfigure.h"
#include "bncfigurelate.h"
#include "bncfigureppp.h"
#include "bncversion.h"
#include "bncbytescounter.h"
#include "bncsslconfig.h"
#include "upload/bnccustomtrafo.h"
#include "upload/bncephuploadcaster.h"
#include "qtfilechooser.h"
#include "reqcdlg.h"
#include "bncmap.h"
#include "rinex/reqcedit.h"
#include "rinex/reqcanalyze.h"
#include "orbComp/sp3Comp.h"
#ifdef QT_WEBKIT
#  include "map/bncmapwin.h"
#endif

using namespace std;

#ifdef GNSSCENTER_PLUGIN
Q_EXPORT_PLUGIN2(gnsscenter_bnc, t_bncFactory)
#endif

// Constructor
////////////////////////////////////////////////////////////////////////////
bncWindow::bncWindow() {

  const static QPalette paletteWhite(QColor(255, 255, 255));
  const static QPalette paletteGray(QColor(230, 230, 230));

#ifdef GNSSCENTER_PLUGIN
  BNC_CORE->setConfFileName("");
#endif

  _caster    = 0;
  _casterEph = 0;

  _bncFigure     = new bncFigure(this);
  _bncFigureLate = new bncFigureLate(this);
  _bncFigurePPP  = new bncFigurePPP(this);

  connect(BNC_CORE, SIGNAL(newPosition(QByteArray, bncTime, QVector<double>)),
          _bncFigurePPP, SLOT(slotNewPosition(QByteArray, bncTime, QVector<double>)));

  connect(BNC_CORE, SIGNAL(progressRnxPPP(int)), this, SLOT(slotPostProcessingProgress(int)));
  connect(BNC_CORE, SIGNAL(finishedRnxPPP()),    this, SLOT(slotPostProcessingFinished()));

  _runningRealTime    = false;
  _runningPPP         = false;
  _runningEdit        = false;
  _runningQC          = false;
  _runningSp3Comp     = false;
  _reqcActionComboBox = 0; // necessary for enableStartStop()

  _mapWin = 0;

  int ww = QFontMetrics(this->font()).width('w');
  
  static const QStringList labels = QString("account, Streams:   resource loader / mountpoint, decoder, lat, long, nmea, ntrip, bytes").split(",");

  setMinimumSize(100*ww, 70*ww);

  setWindowTitle(tr("BKG Ntrip Client (BNC) Version " BNCVERSION));

  connect(BNC_CORE, SIGNAL(newMessage(QByteArray,bool)), 
          this, SLOT(slotWindowMessage(QByteArray,bool)));

  // Create Actions
  // --------------
  _actHelp = new QAction(tr("&Help Contents"),this);
  connect(_actHelp, SIGNAL(triggered()), SLOT(slotHelp()));

  _actAbout = new QAction(tr("&About BNC"),this);
  connect(_actAbout, SIGNAL(triggered()), SLOT(slotAbout()));

  _actFlowchart = new QAction(tr("&Flow Chart"),this);
  connect(_actFlowchart, SIGNAL(triggered()), SLOT(slotFlowchart()));

  _actFontSel = new QAction(tr("Select &Font"),this);
  connect(_actFontSel, SIGNAL(triggered()), SLOT(slotFontSel()));

  _actSaveOpt = new QAction(tr("&Reread && Save Configuration"),this);
  connect(_actSaveOpt, SIGNAL(triggered()), SLOT(slotSaveOptions()));

  _actQuit  = new QAction(tr("&Quit"),this);
  connect(_actQuit, SIGNAL(triggered()), SLOT(close()));

  _actAddMountPoints = new QAction(tr("Add &Stream"),this);
  connect(_actAddMountPoints, SIGNAL(triggered()), SLOT(slotAddMountPoints()));

  _actDeleteMountPoints = new QAction(tr("&Delete Stream"),this);
  connect(_actDeleteMountPoints, SIGNAL(triggered()), SLOT(slotDeleteMountPoints()));
  _actDeleteMountPoints->setEnabled(false);

  _actMapMountPoints = new QAction(tr("&Map"),this);
  connect(_actMapMountPoints, SIGNAL(triggered()), SLOT(slotMapMountPoints()));

  _actStart = new QAction(tr("Sta&rt"),this);
  connect(_actStart, SIGNAL(triggered()), SLOT(slotStart()));

  _actStop = new QAction(tr("Sto&p"),this);
  connect(_actStop, SIGNAL(triggered()), SLOT(slotStop()));

  _actwhatsthis= new QAction(tr("Help ?=Shift+F1"),this);
  connect(_actwhatsthis, SIGNAL(triggered()), SLOT(slotWhatsThis()));

  CreateMenu();
  AddToolbar();

  bncSettings settings;

  // Network Options
  // ---------------
  _proxyHostLineEdit  = new QLineEdit(settings.value("proxyHost").toString());
  _proxyPortLineEdit  = new QLineEdit(settings.value("proxyPort").toString());

  connect(_proxyHostLineEdit, SIGNAL(textChanged(const QString &)), 
          this, SLOT(slotBncTextChanged()));

  _sslCaCertPathLineEdit   = new QLineEdit(settings.value("sslCaCertPath").toString());
  _ignoreSslErrorsCheckBox = new QCheckBox();
  _ignoreSslErrorsCheckBox->setCheckState(Qt::CheckState(
                                          settings.value("ignoreSslErrors").toInt()));

  // General Options
  // ---------------
  _logFileLineEdit    = new QLineEdit(settings.value("logFile").toString());
  _rawOutFileLineEdit = new QLineEdit(settings.value("rawOutFile").toString());
  _rnxAppendCheckBox  = new QCheckBox();
  _rnxAppendCheckBox->setCheckState(Qt::CheckState(
                                    settings.value("rnxAppend").toInt()));
  _onTheFlyComboBox = new QComboBox();
  _onTheFlyComboBox->setEditable(false);
  _onTheFlyComboBox->addItems(QString("1 day,1 hour,5 min,1 min").split(","));
  int ii = _onTheFlyComboBox->findText(settings.value("onTheFlyInterval").toString());
  if (ii != -1) {
    _onTheFlyComboBox->setCurrentIndex(ii);
  }
  _autoStartCheckBox  = new QCheckBox();
  _autoStartCheckBox->setCheckState(Qt::CheckState(
                                    settings.value("autoStart").toInt()));

  // RINEX Observations Options
  // --------------------------
  _rnxPathLineEdit    = new QLineEdit(settings.value("rnxPath").toString());
  _rnxIntrComboBox    = new QComboBox();
  _rnxIntrComboBox->setEditable(false);
  _rnxIntrComboBox->addItems(QString("1 min,2 min,5 min,10 min,15 min,30 min,1 hour,1 day").split(","));
  ii = _rnxIntrComboBox->findText(settings.value("rnxIntr").toString());
  if (ii != -1) {
    _rnxIntrComboBox->setCurrentIndex(ii);
  }
  _rnxSamplSpinBox    = new QSpinBox();
  _rnxSamplSpinBox->setMinimum(0);
  _rnxSamplSpinBox->setMaximum(60);
  _rnxSamplSpinBox->setSingleStep(5);
  _rnxSamplSpinBox->setValue(settings.value("rnxSampl").toInt());
  _rnxSamplSpinBox->setSuffix(" sec");
  _rnxSkelLineEdit    = new QLineEdit(settings.value("rnxSkel").toString());
  _rnxSkelLineEdit->setMaximumWidth(5*ww);
  _rnxScrpLineEdit    = new QLineEdit(settings.value("rnxScript").toString());
  _rnxV3CheckBox      = new QCheckBox();
  _rnxV3CheckBox->setCheckState(Qt::CheckState(settings.value("rnxV3").toInt()));
  QString hlp = settings.value("rnxV2Priority").toString();
  if (hlp.isEmpty()) {
    hlp = "CWPX_?";
  }
  _rnxV2Priority = new QLineEdit(hlp);

  connect(_rnxPathLineEdit, SIGNAL(textChanged(const QString &)), 
          this, SLOT(slotBncTextChanged()));
  connect(_rnxV3CheckBox, SIGNAL(stateChanged(int)),
          this, SLOT(slotBncTextChanged()));

  // RINEX Ephemeris Options
  // -----------------------
  _ephPathLineEdit    = new QLineEdit(settings.value("ephPath").toString());
  _ephIntrComboBox    = new QComboBox();
  _ephIntrComboBox->setEditable(false);
  _ephIntrComboBox->addItems(QString("1 min,2 min,5 min,10 min,15 min,30 min,1 hour,1 day").split(","));
  int jj = _ephIntrComboBox->findText(settings.value("ephIntr").toString());
  if (jj != -1) {
    _ephIntrComboBox->setCurrentIndex(jj);
  }
  _outEphPortLineEdit    = new QLineEdit(settings.value("outEphPort").toString());
  _ephV3CheckBox = new QCheckBox();
  _ephV3CheckBox->setCheckState(Qt::CheckState(settings.value("ephV3").toInt()));

  connect(_outEphPortLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  connect(_ephPathLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Broadcast Corrections Options
  // -----------------------------
  _corrPathLineEdit    = new QLineEdit(settings.value("corrPath").toString());
  _corrIntrComboBox    = new QComboBox();
  _corrIntrComboBox->setEditable(false);
  _corrIntrComboBox->addItems(QString("1 min,2 min,5 min,10 min,15 min,30 min,1 hour,1 day").split(","));
  int mm = _corrIntrComboBox->findText(settings.value("corrIntr").toString());
  if (mm != -1) {
    _corrIntrComboBox->setCurrentIndex(mm);
  }
  _corrPortLineEdit    = new QLineEdit(settings.value("corrPort").toString());

  connect(_corrPathLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  connect(_corrPortLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Feed Engine Options
  // -------------------
  _outPortLineEdit    = new QLineEdit(settings.value("outPort").toString());
  _waitTimeSpinBox   = new QSpinBox();
  _waitTimeSpinBox->setMinimum(1);
  _waitTimeSpinBox->setMaximum(30);
  _waitTimeSpinBox->setSingleStep(1);
  _waitTimeSpinBox->setSuffix(" sec");
  _waitTimeSpinBox->setValue(settings.value("waitTime").toInt());
  _binSamplSpinBox    = new QSpinBox();
  _binSamplSpinBox->setMinimum(0);
  _binSamplSpinBox->setMaximum(60);
  _binSamplSpinBox->setSingleStep(5);
  _binSamplSpinBox->setValue(settings.value("binSampl").toInt());
  _binSamplSpinBox->setSuffix(" sec");
  _outFileLineEdit    = new QLineEdit(settings.value("outFile").toString());
  _outUPortLineEdit   = new QLineEdit(settings.value("outUPort").toString());

  connect(_outPortLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  connect(_outFileLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Serial Output Options
  // ---------------------
  _serialMountPointLineEdit = new QLineEdit(settings.value("serialMountPoint").toString());
  _serialPortNameLineEdit = new QLineEdit(settings.value("serialPortName").toString());
  _serialBaudRateComboBox = new QComboBox();
  _serialBaudRateComboBox->addItems(QString("110,300,600,"
            "1200,2400,4800,9600,19200,38400,57600,115200").split(","));
  int kk = _serialBaudRateComboBox->findText(settings.value("serialBaudRate").toString());
  if (kk != -1) {
    _serialBaudRateComboBox->setCurrentIndex(kk);
  }
  _serialFlowControlComboBox = new QComboBox();
  _serialFlowControlComboBox->addItems(QString("OFF,XONXOFF,HARDWARE").split(","));
  kk = _serialFlowControlComboBox->findText(settings.value("serialFlowControl").toString());
  if (kk != -1) {
    _serialFlowControlComboBox->setCurrentIndex(kk);
  }
  _serialDataBitsComboBox = new QComboBox();
  _serialDataBitsComboBox->addItems(QString("5,6,7,8").split(","));
  kk = _serialDataBitsComboBox->findText(settings.value("serialDataBits").toString());
  if (kk != -1) {
    _serialDataBitsComboBox->setCurrentIndex(kk);
  }
  _serialParityComboBox   = new QComboBox();
  _serialParityComboBox->addItems(QString("NONE,ODD,EVEN,SPACE").split(","));
  kk = _serialParityComboBox->findText(settings.value("serialParity").toString());
  if (kk != -1) {
    _serialParityComboBox->setCurrentIndex(kk);
  }
  _serialStopBitsComboBox = new QComboBox();
  _serialStopBitsComboBox->addItems(QString("1,2").split(","));
  kk = _serialStopBitsComboBox->findText(settings.value("serialStopBits").toString());
  if (kk != -1) {
    _serialStopBitsComboBox->setCurrentIndex(kk);
  }
  _serialAutoNMEAComboBox  = new QComboBox();
  _serialAutoNMEAComboBox->addItems(QString("no,Auto,Manual GPGGA,Manual GNGGA").split(","));
  kk = _serialAutoNMEAComboBox->findText(settings.value("serialAutoNMEA").toString());
  if (kk != -1) {
    _serialAutoNMEAComboBox->setCurrentIndex(kk);
  }
  _serialFileNMEALineEdit    = new QLineEdit(settings.value("serialFileNMEA").toString());
  _serialHeightNMEALineEdit  = new QLineEdit(settings.value("serialHeightNMEA").toString());

  _serialManualNMEASamplingSpinBox = new QSpinBox();
  _serialManualNMEASamplingSpinBox->setMinimum(0);
  _serialManualNMEASamplingSpinBox->setMaximum(300);
  _serialManualNMEASamplingSpinBox->setSingleStep(10);
  _serialManualNMEASamplingSpinBox->setValue(settings.value("serialManualNMEASampling").toInt());
  _serialManualNMEASamplingSpinBox->setSuffix(" sec");

  connect(_serialMountPointLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  connect(_serialAutoNMEAComboBox, SIGNAL(currentIndexChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Outages Options
  // ---------------
  _obsRateComboBox    = new QComboBox();
  _obsRateComboBox->setEditable(false);
  _obsRateComboBox->addItems(QString(",0.1 Hz,0.2 Hz,0.5 Hz,1 Hz,5 Hz").split(","));
  kk = _obsRateComboBox->findText(settings.value("obsRate").toString());
  if (kk != -1) {
    _obsRateComboBox->setCurrentIndex(kk);
  }
  _adviseFailSpinBox = new QSpinBox();
  _adviseFailSpinBox->setMinimum(0);
  _adviseFailSpinBox->setMaximum(60);
  _adviseFailSpinBox->setSingleStep(1);
  _adviseFailSpinBox->setSuffix(" min");
  _adviseFailSpinBox->setValue(settings.value("adviseFail").toInt());
  _adviseRecoSpinBox = new QSpinBox();
  _adviseRecoSpinBox->setMinimum(0);
  _adviseRecoSpinBox->setMaximum(60);
  _adviseRecoSpinBox->setSingleStep(1);
  _adviseRecoSpinBox->setSuffix(" min");
  _adviseRecoSpinBox->setValue(settings.value("adviseReco").toInt());
  _adviseScriptLineEdit    = new QLineEdit(settings.value("adviseScript").toString());

  connect(_obsRateComboBox, SIGNAL(currentIndexChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Miscellaneous Options
  // ---------------------
  _miscMountLineEdit  = new QLineEdit(settings.value("miscMount").toString());
  _miscPortLineEdit   = new QLineEdit(settings.value("miscPort").toString());
  _perfIntrComboBox   = new QComboBox();
  _perfIntrComboBox->setEditable(false);
  _perfIntrComboBox->addItems(QString(",2 sec, 10 sec,1 min,5 min,15 min,1 hour,6 hours,1 day").split(","));
  int ll = _perfIntrComboBox->findText(settings.value("perfIntr").toString());
  if (ll != -1) {
    _perfIntrComboBox->setCurrentIndex(ll);
  }
  _scanRTCMCheckBox  = new QCheckBox();
  _scanRTCMCheckBox->setCheckState(Qt::CheckState(
                                    settings.value("scanRTCM").toInt()));

  connect(_miscMountLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Streams
  // -------
  _mountPointsTable   = new QTableWidget(0,8);

  _mountPointsTable->horizontalHeader()->resizeSection(1,34*ww);
  _mountPointsTable->horizontalHeader()->resizeSection(2,9*ww);
  _mountPointsTable->horizontalHeader()->resizeSection(3,7*ww); 
  _mountPointsTable->horizontalHeader()->resizeSection(4,7*ww); 
  _mountPointsTable->horizontalHeader()->resizeSection(5,5*ww); 
  _mountPointsTable->horizontalHeader()->resizeSection(6,5*ww); 
  _mountPointsTable->horizontalHeader()->setResizeMode(QHeaderView::Interactive);
  _mountPointsTable->horizontalHeader()->setStretchLastSection(true);
  _mountPointsTable->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft);
  _mountPointsTable->setHorizontalHeaderLabels(labels);
  _mountPointsTable->setGridStyle(Qt::NoPen);
  _mountPointsTable->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  _mountPointsTable->setSelectionMode(QAbstractItemView::ExtendedSelection);
  _mountPointsTable->setSelectionBehavior(QAbstractItemView::SelectRows);
  _mountPointsTable->hideColumn(0);
  connect(_mountPointsTable, SIGNAL(itemSelectionChanged()), 
          SLOT(slotSelectionChanged()));
  populateMountPointsTable();

  _log = new QTextEdit();
  _log->setReadOnly(true);
  QFont msFont(""); msFont.setStyleHint(QFont::TypeWriter); // default monospace font
  _log->setFont(msFont);
  _log->document()->setMaximumBlockCount(1000);

  // Combine Corrections
  // -------------------
  _cmbTable = new QTableWidget(0,3);
  _cmbTable->setHorizontalHeaderLabels(QString("Mountpoint, AC Name, Weight").split(","));
  _cmbTable->setSelectionMode(QAbstractItemView::ExtendedSelection);
  _cmbTable->setSelectionBehavior(QAbstractItemView::SelectRows);
  _cmbTable->setMaximumWidth(30*ww);
  _cmbTable->horizontalHeader()->resizeSection(0,10*ww); 
  _cmbTable->horizontalHeader()->resizeSection(1,8*ww); 
  _cmbTable->horizontalHeader()->resizeSection(2,8*ww); 
  _cmbTable->horizontalHeader()->setResizeMode(QHeaderView::Interactive);
  _cmbTable->horizontalHeader()->setStretchLastSection(true);
  _cmbTable->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft);
  
  _cmbMaxresLineEdit = new QLineEdit(settings.value("cmbMaxres").toString());
  _cmbUseGlonass     = new QCheckBox();
  _cmbUseGlonass->setCheckState(Qt::CheckState(settings.value("cmbUseGlonass").toInt()));

  _cmbSamplSpinBox = new QSpinBox;
  _cmbSamplSpinBox->setMinimum(10);
  _cmbSamplSpinBox->setMaximum(60);
  _cmbSamplSpinBox->setSingleStep(10);
  _cmbSamplSpinBox->setMaximumWidth(9*ww);
  _cmbSamplSpinBox->setValue(settings.value("cmbSampl").toInt());
  _cmbSamplSpinBox->setSuffix(" sec");

  QPushButton* addCmbRowButton = new QPushButton("Add Row");
  QPushButton* delCmbRowButton = new QPushButton("Delete");

  connect(_cmbTable, SIGNAL(itemSelectionChanged()),
          SLOT(slotBncTextChanged())); 

  _cmbMethodComboBox = new QComboBox();
  _cmbMethodComboBox->setEditable(false);
  _cmbMethodComboBox->addItems(QString("Filter,Single-Epoch").split(","));
  int im = _cmbMethodComboBox->findText(settings.value("cmbMethod").toString());
  if (im != -1) {
    _cmbMethodComboBox->setCurrentIndex(im);
  }

  int iRow = _cmbTable->rowCount();
  if (iRow > 0) {
    enableWidget(true, _cmbMethodComboBox);
    enableWidget(true, _cmbMaxresLineEdit);
    enableWidget(true, _cmbSamplSpinBox);
    enableWidget(true, _cmbUseGlonass);
  } 
  else {
    enableWidget(false, _cmbMethodComboBox);
    enableWidget(false, _cmbMaxresLineEdit);
    enableWidget(false, _cmbSamplSpinBox);
    enableWidget(false, _cmbUseGlonass);
  }

  // Upload Results
  // -------------
  _uploadTable = new QTableWidget(0,12);
  _uploadTable->setHorizontalHeaderLabels(QString("Host, Port, Mount, Password, System, CoM, SP3 File, RNX File, PID, SID, IOD, bytes").split(","));
  _uploadTable->setSelectionMode(QAbstractItemView::ExtendedSelection);
  _uploadTable->setSelectionBehavior(QAbstractItemView::SelectRows);
  _uploadTable->horizontalHeader()->resizeSection( 0,13*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 1, 5*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 2, 6*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 3, 8*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 4,11*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 5, 4*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 6,15*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 7,15*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 8, 4*ww); 
  _uploadTable->horizontalHeader()->resizeSection( 9, 4*ww); 
  _uploadTable->horizontalHeader()->resizeSection(10, 4*ww); 
  _uploadTable->horizontalHeader()->resizeSection(11,12*ww); 
  _uploadTable->horizontalHeader()->setResizeMode(QHeaderView::Interactive);
  _uploadTable->horizontalHeader()->setStretchLastSection(true);
  _uploadTable->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft);

  connect(_uploadTable, SIGNAL(itemSelectionChanged()), 
          SLOT(slotBncTextChanged()));

  QPushButton* addUploadRowButton = new QPushButton("Add Row");
  QPushButton* delUploadRowButton = new QPushButton("Del Row");
  QPushButton* setUploadTrafoButton = new QPushButton("Custom Trafo");
  _uploadIntrComboBox = new QComboBox;
  _uploadIntrComboBox->setEditable(false);
  _uploadIntrComboBox->addItems(QString("1 day,1 hour, 30 min,15 min,10 min,5 min,2 min,1 min").split(","));
  ii = _uploadIntrComboBox->findText(settings.value("uploadIntr").toString());
  if (ii != -1) {
    _uploadIntrComboBox->setCurrentIndex(ii);
  }

  _uploadAntexFile      = new qtFileChooser(0, qtFileChooser::File);
  _uploadAntexFile->setFileName(settings.value("uploadAntexFile").toString());

  _uploadSamplRtcmEphCorrSpinBox = new QSpinBox;
  _uploadSamplRtcmEphCorrSpinBox->setMinimum(0);
  _uploadSamplRtcmEphCorrSpinBox->setMaximum(60);
  _uploadSamplRtcmEphCorrSpinBox->setSingleStep(5);
  _uploadSamplRtcmEphCorrSpinBox->setMaximumWidth(9*ww);
  _uploadSamplRtcmEphCorrSpinBox->setValue(settings.value("uploadSamplRtcmEphCorr").toInt());
  _uploadSamplRtcmEphCorrSpinBox->setSuffix(" sec");

  _uploadSamplSp3SpinBox = new QSpinBox;
  _uploadSamplSp3SpinBox->setMinimum(0);
  _uploadSamplSp3SpinBox->setMaximum(15);
  _uploadSamplSp3SpinBox->setSingleStep(1);
  _uploadSamplSp3SpinBox->setMaximumWidth(9*ww);
  _uploadSamplSp3SpinBox->setValue(settings.value("uploadSamplSp3").toInt());
  _uploadSamplSp3SpinBox->setSuffix(" min");

  _uploadSamplClkRnxSpinBox = new QSpinBox;
  _uploadSamplClkRnxSpinBox->setMinimum(0);
  _uploadSamplClkRnxSpinBox->setMaximum(60);
  _uploadSamplClkRnxSpinBox->setSingleStep(5);
  _uploadSamplClkRnxSpinBox->setMaximumWidth(9*ww);
  _uploadSamplClkRnxSpinBox->setValue(settings.value("uploadSamplClkRnx").toInt());
  _uploadSamplClkRnxSpinBox->setSuffix(" sec");

  int iRowT = _uploadTable->rowCount();
  if (iRowT > 0) {
    enableWidget(true, _uploadIntrComboBox);
    enableWidget(true, _uploadSamplRtcmEphCorrSpinBox);
    enableWidget(true, _uploadSamplSp3SpinBox);
    enableWidget(true, _uploadSamplClkRnxSpinBox);
    enableWidget(true, _uploadAntexFile);
  } 
  else {
    enableWidget(false, _uploadIntrComboBox);
    enableWidget(false, _uploadSamplRtcmEphCorrSpinBox);
    enableWidget(false, _uploadSamplSp3SpinBox);
    enableWidget(false, _uploadSamplClkRnxSpinBox);
    enableWidget(false, _uploadAntexFile);
  }

  // Upload RTCM3 Ephemeris
  // ----------------------
  _uploadEphHostLineEdit       = new QLineEdit(settings.value("uploadEphHost").toString());
  _uploadEphPortLineEdit       = new QLineEdit(settings.value("uploadEphPort").toString());
  _uploadEphPasswordLineEdit   = new QLineEdit(settings.value("uploadEphPassword").toString());
  _uploadEphPasswordLineEdit->setEchoMode(QLineEdit::PasswordEchoOnEdit);
  _uploadEphMountpointLineEdit = new QLineEdit(settings.value("uploadEphMountpoint").toString());
  _uploadEphSampleSpinBox      = new QSpinBox;
  _uploadEphSampleSpinBox->setMinimum(5);
  _uploadEphSampleSpinBox->setMaximum(60);
  _uploadEphSampleSpinBox->setSingleStep(5);
  _uploadEphSampleSpinBox->setMaximumWidth(9*ww);
  _uploadEphSampleSpinBox->setValue(settings.value("uploadEphSample").toInt());
  _uploadEphSampleSpinBox->setSuffix(" sec");
  _uploadEphBytesCounter       = new bncBytesCounter;

  // Canvas with Editable Fields
  // ---------------------------
  _canvas = new QWidget;
  setCentralWidget(_canvas);

  _aogroup = new QTabWidget();
  _aogroup->setElideMode(Qt::ElideNone);
  _aogroup->setUsesScrollButtons(true);
  QWidget* pgroup = new QWidget();
  QWidget* ggroup = new QWidget();
  QWidget* sgroup = new QWidget();
  QWidget* egroup = new QWidget();
  QWidget* agroup = new QWidget();
  QWidget* cgroup = new QWidget();
  QWidget* ogroup = new QWidget();
  QWidget* rgroup = new QWidget();
  QWidget* sergroup = new QWidget();
  QWidget* pppGroup1 = new QWidget();
  QWidget* pppGroup2 = new QWidget();
  QWidget* pppGroup3 = new QWidget();
  QWidget* pppGroup4 = new QWidget();
  QWidget* reqcgroup = new QWidget();
  QWidget* sp3CompGroup = new QWidget();
  QWidget* cmbgroup = new QWidget();
  QWidget* uploadgroup = new QWidget();
  QWidget* uploadEphgroup = new QWidget();
  _aogroup->addTab(pgroup,tr("Network"));
  _aogroup->addTab(ggroup,tr("General"));
  _aogroup->addTab(ogroup,tr("RINEX Observations"));
  _aogroup->addTab(egroup,tr("RINEX Ephemeris"));
  _aogroup->addTab(reqcgroup,tr("RINEX Editing && QC"));
  _aogroup->addTab(sp3CompGroup,tr("SP3 Comparison"));
  _aogroup->addTab(cgroup,tr("Broadcast Corrections"));
  _aogroup->addTab(sgroup,tr("Feed Engine"));
  _aogroup->addTab(sergroup,tr("Serial Output"));
  _aogroup->addTab(agroup,tr("Outages"));
  _aogroup->addTab(rgroup,tr("Miscellaneous"));
  _aogroup->addTab(pppGroup1,tr("PPP (1)"));
  _aogroup->addTab(pppGroup2,tr("PPP (2)"));
  _aogroup->addTab(pppGroup3,tr("PPP (3)"));
  _aogroup->addTab(pppGroup4,tr("PPP (4)"));

#ifdef USE_COMBINATION
  _aogroup->addTab(cmbgroup,tr("Combine Corrections"));
#endif
  _aogroup->addTab(uploadgroup,tr("Upload Corrections"));
  _aogroup->addTab(uploadEphgroup,tr("Upload Ephemeris"));

  // Log Tab
  // -------
  _loggroup = new QTabWidget();
  _loggroup->addTab(_log,tr("Log"));
  _loggroup->addTab(_bncFigure,tr("Throughput"));
  _loggroup->addTab(_bncFigureLate,tr("Latency"));
  _loggroup->addTab(_bncFigurePPP,tr("PPP Plot"));

  // Netowork (Proxy and SSL) Tab
  // ----------------------------
  QGridLayout* pLayout = new QGridLayout;
  pLayout->setColumnMinimumWidth(0,13*ww);
  _proxyPortLineEdit->setMaximumWidth(9*ww);

  pLayout->addWidget(new QLabel("Settings for proxy in protected networks and for SSL authorization, leave boxes blank if none.<br>"),0, 0, 1, 50);
  pLayout->addWidget(new QLabel("Proxy host"),                               1, 0);
  pLayout->addWidget(_proxyHostLineEdit,                                     1, 1, 1,10);
  pLayout->addWidget(new QLabel("Proxy port"),                               2, 0);
  pLayout->addWidget(_proxyPortLineEdit,                                     2, 1);
  pLayout->addWidget(new QLabel("Path to SSL certificates"),                 3, 0);
  pLayout->addWidget(_sslCaCertPathLineEdit,                                 3, 1, 1,10);
  pLayout->addWidget(new QLabel("Default:  " + bncSslConfig::defaultPath()), 3,11, 1,20);
  pLayout->addWidget(new QLabel("Ignore SSL authorization errors"),          4, 0);
  pLayout->addWidget(_ignoreSslErrorsCheckBox,                               4, 1, 1,10);
  pLayout->addWidget(new QLabel(""),                                         5, 1);
  pLayout->setRowStretch(6, 999);

  pgroup->setLayout(pLayout);

  // General Tab
  // -----------
  QGridLayout* gLayout = new QGridLayout;
  gLayout->setColumnMinimumWidth(0,14*ww);
  _onTheFlyComboBox->setMaximumWidth(9*ww);

  gLayout->addWidget(new QLabel("General settings for logfile, file handling, configuration on-the-fly, and auto-start.<br>"),0, 0, 1, 50);
  gLayout->addWidget(new QLabel("Logfile (full path)"),          1, 0);
  gLayout->addWidget(_logFileLineEdit,                           1, 1, 1,20);
  gLayout->addWidget(new QLabel("Append files"),                 2, 0);
  gLayout->addWidget(_rnxAppendCheckBox,                         2, 1);
  gLayout->addWidget(new QLabel("Reread configuration"),         3, 0);
  gLayout->addWidget(_onTheFlyComboBox,                          3, 1);
  gLayout->addWidget(new QLabel("Auto start"),                   4, 0);
  gLayout->addWidget(_autoStartCheckBox,                         4, 1);
  gLayout->addWidget(new QLabel("Raw output file (full path)"),  5, 0);
  gLayout->addWidget(_rawOutFileLineEdit,                        5, 1, 1,20);
  gLayout->addWidget(new QLabel(""),                             6, 1);
  gLayout->setRowStretch(7, 999);

  ggroup->setLayout(gLayout);

  // RINEX Observations
  // ------------------
  QGridLayout* oLayout = new QGridLayout;
  oLayout->setColumnMinimumWidth(0,14*ww);
  _rnxIntrComboBox->setMaximumWidth(9*ww);
//_rnxSamplSpinBox->setMaximumWidth(9*ww);

  oLayout->addWidget(new QLabel("Saving RINEX observation files.<br>"),0, 0, 1,50);
  oLayout->addWidget(new QLabel("Directory"),                      1, 0);
  oLayout->addWidget(_rnxPathLineEdit,                             1, 1, 1, 15);
  oLayout->addWidget(new QLabel("Interval"),                       2, 0);
  oLayout->addWidget(_rnxIntrComboBox,                             2, 1);
  oLayout->addWidget(new QLabel("  Sampling"),                     2, 2, Qt::AlignRight);
  oLayout->addWidget(_rnxSamplSpinBox,                             2, 3, Qt::AlignLeft);
  oLayout->addWidget(new QLabel("Skeleton extension"),             3, 0);
  oLayout->addWidget(_rnxSkelLineEdit,                             3, 1, Qt::AlignLeft);
  oLayout->addWidget(new QLabel("Script (full path)"),             4, 0);
  oLayout->addWidget(_rnxScrpLineEdit,                             4, 1, 1, 15);
  oLayout->addWidget(new QLabel("Version 2"),                      5, 0);
  oLayout->addWidget(_rnxV2Priority,                               5, 1, 1, 2);
  oLayout->addWidget(new QLabel("  Signal priority"),              5, 3);
  oLayout->addWidget(new QLabel("Version 3"),                      6, 0);
  oLayout->addWidget(_rnxV3CheckBox,                               6, 1);
  oLayout->addWidget(new QLabel(""),                               7, 1);
  oLayout->setRowStretch(8, 999);

  ogroup->setLayout(oLayout);

  // RINEX Ephemeris
  // ---------------
  QGridLayout* eLayout = new QGridLayout;
  eLayout->setColumnMinimumWidth(0,14*ww);
  _ephIntrComboBox->setMaximumWidth(9*ww);
  _outEphPortLineEdit->setMaximumWidth(9*ww);

  eLayout->addWidget(new QLabel("Saving RINEX navigation files and ephemeris output through IP port.<br>"),0,0,1,70);
  eLayout->addWidget(new QLabel("Directory"),                     1, 0);
  eLayout->addWidget(_ephPathLineEdit,                            1, 1, 1,30);
  eLayout->addWidget(new QLabel("Interval"),                      2, 0);
  eLayout->addWidget(_ephIntrComboBox,                            2, 1);
  eLayout->addWidget(new QLabel("Port"),                          3, 0);
  eLayout->addWidget(_outEphPortLineEdit,                         3, 1);
  eLayout->addWidget(new QLabel("Version 3"),                     4, 0);
  eLayout->addWidget(_ephV3CheckBox,                              4, 1);
  eLayout->setRowStretch(5, 999);

  egroup->setLayout(eLayout);


  // Broadcast Corrections
  // ---------------------
  QGridLayout* cLayout = new QGridLayout;
  cLayout->setColumnMinimumWidth(0,14*ww);
  _corrIntrComboBox->setMaximumWidth(9*ww);
  _corrPortLineEdit->setMaximumWidth(9*ww);

  cLayout->addWidget(new QLabel("Saving Broadcast Ephemeris correction files and correction output through IP port.<br>"),0,0,1,70);
  cLayout->addWidget(new QLabel("Directory, ASCII"),              1, 0);
  cLayout->addWidget(_corrPathLineEdit,                           1, 1, 1,30);
  cLayout->addWidget(new QLabel("Interval"),                      2, 0);
  cLayout->addWidget(_corrIntrComboBox,                           2, 1);
  cLayout->addWidget(new QLabel("Port"),                          3, 0);
  cLayout->addWidget(_corrPortLineEdit,                           3, 1);
  cLayout->addWidget(new QLabel(""),                              4, 1);
  cLayout->setRowStretch(7, 999);
  cgroup->setLayout(cLayout);

  // Feed Engine
  // -----------
  QGridLayout* sLayout = new QGridLayout;
  sLayout->setColumnMinimumWidth(0,14*ww);
  _outPortLineEdit->setMaximumWidth(9*ww);
  _waitTimeSpinBox->setMaximumWidth(9*ww);
  _binSamplSpinBox->setMaximumWidth(9*ww);
  _outUPortLineEdit->setMaximumWidth(9*ww);

  sLayout->addWidget(new QLabel("Output decoded observations in ASCII format to feed a real-time GNSS network engine.<br>"),0,0,1,50);
  sLayout->addWidget(new QLabel("Port"),                            1, 0);
  sLayout->addWidget(_outPortLineEdit,                              1, 1);
  sLayout->addWidget(new QLabel("       Wait for full obs epoch"),  1, 2, Qt::AlignRight);
  sLayout->addWidget(_waitTimeSpinBox,                              1, 3, Qt::AlignLeft);
  sLayout->addWidget(new QLabel("Sampling"),                        2, 0);
  sLayout->addWidget(_binSamplSpinBox,                              2, 1, Qt::AlignLeft);
  sLayout->addWidget(new QLabel("File (full path)"),                3, 0);
  sLayout->addWidget(_outFileLineEdit,                              3, 1, 1, 10);
  sLayout->addWidget(new QLabel("Port (unsynchronized)"),           4, 0);
  sLayout->addWidget(_outUPortLineEdit,                             4, 1);
  sLayout->addWidget(new QLabel(""),                                5, 1);
  sLayout->setRowStretch(6, 999);

  sgroup->setLayout(sLayout);

  // Serial Output
  // -------------
  QGridLayout* serLayout = new QGridLayout;
  serLayout->setColumnMinimumWidth(0,12*ww);
  _serialBaudRateComboBox->setMaximumWidth(9*ww);
  _serialFlowControlComboBox->setMaximumWidth(11*ww);
  _serialDataBitsComboBox->setMaximumWidth(5*ww);
  _serialParityComboBox->setMaximumWidth(9*ww);
  _serialStopBitsComboBox->setMaximumWidth(5*ww);
  _serialAutoNMEAComboBox->setMaximumWidth(14*ww);
  _serialHeightNMEALineEdit->setMaximumWidth(8*ww);
  _serialManualNMEASamplingSpinBox->setMaximumWidth(8*ww);

  serLayout->addWidget(new QLabel("Port settings to feed a serial connected receiver.<br>"),0,0,1,30);
  serLayout->addWidget(new QLabel("Mountpoint"),                  1, 0, Qt::AlignLeft);
  serLayout->addWidget(_serialMountPointLineEdit,                 1, 1, 1, 2);
  serLayout->addWidget(new QLabel("Port name"),                   2, 0, Qt::AlignLeft);
  serLayout->addWidget(_serialPortNameLineEdit,                   2, 1, 1, 2);
  serLayout->addWidget(new QLabel("Baud rate"),                   3, 0, Qt::AlignLeft);
  serLayout->addWidget(_serialBaudRateComboBox,                   3, 1);
  serLayout->addWidget(new QLabel("Flow control"),                3, 2, Qt::AlignRight);
  serLayout->addWidget(_serialFlowControlComboBox,                3, 3);
  serLayout->addWidget(new QLabel("Data bits"),                   4, 0, Qt::AlignLeft);
  serLayout->addWidget(_serialDataBitsComboBox,                   4, 1);
  serLayout->addWidget(new QLabel("Parity"),                      4, 2, Qt::AlignRight);
  serLayout->addWidget(_serialParityComboBox,                     4, 3);
  serLayout->addWidget(new QLabel("   Stop bits"),                4, 4, Qt::AlignRight);
  serLayout->addWidget(_serialStopBitsComboBox,                   4, 5);
  serLayout->addWidget(new QLabel("NMEA"),                        5, 0);
  serLayout->addWidget(_serialAutoNMEAComboBox,                   5, 1);
  serLayout->addWidget(new QLabel("    File (full path)"),        5, 2, Qt::AlignRight);
  serLayout->addWidget(_serialFileNMEALineEdit,                   5, 3, 1,10);
  serLayout->addWidget(new QLabel("Height"),                      5,14, Qt::AlignRight);
  serLayout->addWidget(_serialHeightNMEALineEdit,                 5,15, 1,11);
  serLayout->addWidget(new QLabel("Sampling"),                    5,25, Qt::AlignRight);
  serLayout->addWidget(_serialManualNMEASamplingSpinBox,          5,26, 1,12);
  serLayout->addWidget(new QLabel(""),                            6, 1);
  serLayout->setRowStretch(7, 999);

  sergroup->setLayout(serLayout);

  // Outages
  // -------
  QGridLayout* aLayout = new QGridLayout;
  aLayout->setColumnMinimumWidth(0,14*ww);
  _obsRateComboBox->setMaximumWidth(9*ww);
  _adviseFailSpinBox->setMaximumWidth(9*ww);
  _adviseRecoSpinBox->setMaximumWidth(9*ww);

  aLayout->addWidget(new QLabel("Failure and recovery reports, advisory notes.<br>"),0,0,1,50,Qt::AlignLeft);
  aLayout->addWidget(new QLabel("Observation rate"),              1, 0);
  aLayout->addWidget(_obsRateComboBox,                            1, 1);
  aLayout->addWidget(new QLabel("Failure threshold"),             2, 0);
  aLayout->addWidget(_adviseFailSpinBox,                          2, 1);
  aLayout->addWidget(new QLabel("Recovery threshold"),            3, 0);
  aLayout->addWidget(_adviseRecoSpinBox,                          3, 1);
  aLayout->addWidget(new QLabel("Script (full path)"),            4, 0);
  aLayout->addWidget(_adviseScriptLineEdit,                       4, 1, 1,20);
  aLayout->addWidget(new QLabel(""),                              5, 1);
  aLayout->setRowStretch(6, 999);

  agroup->setLayout(aLayout);

  // Miscellaneous
  // -------------
  QGridLayout* rLayout = new QGridLayout;
  rLayout->setColumnMinimumWidth(0,14*ww);
  _perfIntrComboBox->setMaximumWidth(9*ww);
  _miscPortLineEdit->setMaximumWidth(9*ww);

  rLayout->addWidget(new QLabel("Log latencies or scan RTCM streams for message types and antenna information or output raw data through TCP/IP port.<br>"),0, 0,1,50);
  rLayout->addWidget(new QLabel("Mountpoint"),                    1, 0);
  rLayout->addWidget(_miscMountLineEdit,                          1, 1, 1, 7);
  rLayout->addWidget(new QLabel("Log latency"),                   2, 0);
  rLayout->addWidget(_perfIntrComboBox,                           2, 1);
  rLayout->addWidget(new QLabel("Scan RTCM"),                     3, 0);
  rLayout->addWidget(_scanRTCMCheckBox,                           3, 1);
  rLayout->addWidget(new QLabel("Port"),                          4, 0);
  rLayout->addWidget(_miscPortLineEdit,                           4, 1);
  rLayout->addWidget(new QLabel(""),                              5, 1);
  rLayout->setRowStretch(6, 999);

  rgroup->setLayout(rLayout);

  // PPP
  // ---
  _pppWidgets._nmeaPort->setMaximumWidth(8*ww);
  _pppWidgets._dataSource->setMaximumWidth(20*ww);
  _pppWidgets._corrMount->setMaximumWidth(20*ww);

  QGridLayout* pppLayout1 = new QGridLayout();
  int ir = 0;
  pppLayout1->addWidget(new QLabel("Precise Point Positioning - Input and Output."), ir, 0, 1, 7, Qt::AlignLeft);
  ++ir;     
  pppLayout1->addWidget(new QLabel("Data source"),           ir, 0);
  pppLayout1->addWidget(_pppWidgets._dataSource,             ir, 1);
//pppLayout1->addItem(new QSpacerItem(4*ww, 0),              ir, 2);
  pppLayout1->addWidget(new QLabel("   RINEX Obs file(s)"),  ir, 3);
  pppLayout1->addWidget(_pppWidgets._rinexObs,               ir, 4);
  ++ir;
  pppLayout1->addWidget(new QLabel("   RINEX Nav file(s)"),  ir, 3);
  pppLayout1->addWidget(_pppWidgets._rinexNav,               ir, 4);
  ++ir;
  pppLayout1->addWidget(new QLabel("Corrections"),           ir, 0);
  pppLayout1->addWidget(_pppWidgets._corrMount,              ir, 1);
  pppLayout1->addWidget(new QLabel("   Corrections"),        ir, 3);
  pppLayout1->addWidget(_pppWidgets._corrFile,               ir, 4);
  ++ir;
  pppLayout1->addWidget(new QLabel("Coordinates"),           ir, 0);
  pppLayout1->addWidget(_pppWidgets._crdFile,                ir, 1);
  pppLayout1->addWidget(new QLabel("   Logfile"),            ir, 3);
  pppLayout1->addWidget(_pppWidgets._logFile,                ir, 4);
  ++ir;
  pppLayout1->addWidget(new QLabel("ANTEX file"),            ir, 0);
  pppLayout1->addWidget(_pppWidgets._antexFile,              ir, 1);

  pppLayout1->addWidget(new QLabel("   NMEA file"),          ir, 3);
  pppLayout1->addWidget(_pppWidgets._nmeaFile,               ir, 4);
  pppLayout1->addWidget(new QLabel("   Port"),               ir, 5);
  pppLayout1->addWidget(_pppWidgets._nmeaPort,               ir, 6); 
  ++ir;
  pppLayout1->addWidget(new QLabel("   SNX TRO file"),       ir, 3);
  pppLayout1->addWidget(_pppWidgets._snxtroFile,             ir, 4);
  pppLayout1->addWidget(new QLabel("   Sampling"),           ir, 5);
  pppLayout1->addWidget(_pppWidgets._snxtroSampl,            ir, 6);
  ++ir;
  pppLayout1->setRowStretch(ir, 999);

  pppGroup1->setLayout(pppLayout1);


  _pppWidgets._dataSource->setWhatsThis(tr("<p>Select 'Real-time Streams' for real-time PPP from RTCM streams or 'RINEX Files' for post processing PPP from RINEX files.</p><p><ul><li>Real-time PPP requires that you pull an RTCM stream carrying GNSS observations plus a stream providing corrections to Broadcast Ephemeris. If the observations stream does not contain Broadcast Ephemeris then you must in addition pull a Broadcast Ephemeris stream like 'RTCM3EPH' from NTRIP broadcaster www.igs-ip.net.</li><li>Post processing PPP requires RINEX observation files, RINEX navigation files and a file with corrections to Broadcast Ephemeris in plain ASCII format as saved beforehand using BNC.</li></ul></p><p>Note that BNC allows to carry out PPP solutions simultaneously for several stations.</p>"));

  _pppWidgets._corrMount->setWhatsThis(tr("<p>Specify a 'mountpoint' from the 'Streams' canvas below which provides corrections to Broadcast Ephemeris.</p><p>If you don't specify a corrections stream through this option, BNC will fall back to Single Point Positioning (SPP, positioning from observations and broadcast ephemeris only only) instead of doing PPP.</p>"));

  _pppWidgets._crdFile->setWhatsThis(tr("<p>Enter the full path to an ASCII file which specifies the streams or files of those stations you want to process. The 'Coordinates' file must contain one record per station with the following parameters separated by blank characters:<p><ul><li>Either<ul><li>the 'Mountpoint' of the station's RTCM stream (when in real-time PPP mode) or</li><li>the first four characters of the RINEX observations file (when in post processing PPP mode).</li></ul>This parameter is mandatory. BNC will carry out PPP solutions only for those stations which are listed here.</li><li>Approximate X,Y,Z coordinate components of station's Antenna Reference Point [m] (ARP, specify '0.0 0.0 0.0' if unknown).</li><li>Nort, East and Up component of antenna excentricity [m] (specify '0.0 0.0 0.0' if unknown).</li><li>20 Characters describing the antenna type and radome following the IGS 'ANTEX file' standard (leave blank if unknown).</li></ul></p><p>Records with exclamation mark '!' in the first column or blank records will be interpreted as comment lines and ignored.</p>"));

  _pppWidgets._antexFile->setWhatsThis(tr("<p>Observations in RTCM streams or RINEX files should be referred to the receiver's and to the satellite's Antenna Phase Center (APC) and therefore be corrected for<ul><li>Receiver APC offsets</li><li>Receiver APC variations</li><li>Satellite APC offsets.</li></ul> Specify the full path to an IGS 'ANTEX file' which contains APC offsets and variations.</p><p>If you don't specify an 'ANTEX file' then observations will not be corrected for APC offsets and variations.</p>"));

  _pppWidgets._rinexObs->setWhatsThis(tr("<p>Specify the RINEX observations file(s).</p>"));

  _pppWidgets._rinexNav->setWhatsThis(tr("<p>Specify the RINEX navigation file(s).</p>"));

  _pppWidgets._corrFile->setWhatsThis(tr("<p>Specify the Broadcast Ephemeris Corrections file(s) as saved beforehand using BNC.</p><p>If you don't specify corrections through this option, BNC will fall back to Single Point Positioning (SPP, positioning from RINEX Obs and RINEX Nav files only) instead of doing PPP.</p>"));

  _pppWidgets._logFile->setWhatsThis(tr("<p>Specify the path to daily PPP logfiles using e.g. the following syntax (example):</p><p> ./PPP_$(STATION)_$(DATE).log</p><p>BNC will produce one daily PPP logfile per station. Variable $(STATION) stands for the affected station and $(DATE) stands for the date.</p>"));

  _pppWidgets._nmeaFile->setWhatsThis(tr("<p>Specify the path to daily NMEA files using e.g. the following syntax (example):</p><p> ./PPP_$(STATION)_$(DATE).nmea</p><p>BNC will produce one daily NMEA file per station, mainly to save NMEA GGA sentences from the PPP solution. Variable $(STATION) stands for the affected station and $(DATE) stands for the date.</p>"));

  _pppWidgets._nmeaPort->setWhatsThis(tr("<p>Text fehlt</p>"));

  _pppWidgets._snxtroFile->setWhatsThis(tr("<p>Specify the path to daily SINEX Troposphere files using e.g. the following syntax (example):</p><p> ./PPP_$(STATION)_$(DATE).tro</p><p>BNC will produce one daily troposphere file per station to save troposphere parameters from the PPP solution in SINEX Troposphere format. Variable $(STATION) stands for the affected station and $(DATE) stands for the date.</p>"));

  _pppWidgets._snxtroSampl->setWhatsThis(tr("<p>Select a 'Sampling' rate for saving troposphere paramers.</p>"));

  _pppWidgets._sigmaC1->setWhatsThis(tr("<p>Enter a sigma for your GNSS C1 code observations in meters.</p><p>The higher the sigma you enter, the less the contribution of C1 code observations to a PPP solution based on a combination of code and phase data. 2.0 is likely to be an appropriate choice.</p>"));

  _pppWidgets._sigmaL1->setWhatsThis(tr("<p>Enter a sigma for your GNSS L1 phase observations in meters.</p><p>The higher the sigma you enter, the less the contribution of L1 phase observations to a PPP solutions based on a combination of code and phase data. 0.01 is likely to be an appropriate choice.</p>"));

  _pppWidgets._maxResC1->setWhatsThis(tr("<p>Specify a maximum for residuals from C1 code observations in a PPP solution. '3.0' meters may be an appropriate choise for that.</p><p>If the maximum is exceeded contributions from the corresponding observation will be ignored in the PPP solution.</p>"));

  _pppWidgets._maxResL1->setWhatsThis(tr("<p>Specify a maximum for residuals from L1 code observations in a PPP solution. '0.03' meters may be an appropriate choise for that.</p><p>If the maximum is exceeded contributions from the corresponding observation will be ignored in the PPP solution.</p>"));

  _pppWidgets._eleWgtCode->setWhatsThis(tr("<p>Tic 'Ele Wgt Code' to use satellite Elevation depending Weights for Code observations in the PPP solution.</p>"));

  _pppWidgets._eleWgtPhase->setWhatsThis(tr("<p>Tic 'Ele Wgt Phase' to use satellite Elevation depending Weights for Phase observations in the PPP solution.</p>"));

  _pppWidgets._minObs->setWhatsThis(tr("<p>Select a Minimum Number of Observations per epoch for a PPP solution.</p><p>BNC will only process epochs with observation numbers reaching or exceeding this minimum.</p>"));

  _pppWidgets._minEle->setWhatsThis(tr("<p>Select a Minimum satellite Elevation for observations.</p><p>BNC will ignore an observation if the associated Satellite Elevation does not reach or exceed this minimum.</p><p>Selecting '10 deg' may be an appropriate choise in order to avoid too noisy observations."));

  _pppWidgets._lcGPS->setWhatsThis(tr("<p>Specify on which kind of ionosphere-free linear combination of GPS observations you want to base ambiguity resolutions.</p><p><ul><li>Specifying 'P3' means that you request BNC to use the so-called P3 ionosphere-free linear combination of code observations.</li><li>'L3' means that you request BNC to use the so-called L3 ionosphere-free linear combination of phase observations.</li> <li>'P3&L3' means that you request BNC to use both, P3 and L3 ionosphere-free linear combination of code and phase observations.</li></ul></p><p>Specifying 'no' means that you don't want BNC to estimate ambiguities using linear combinations of GPS observations.</p>"));

  _pppWidgets._lcGLONASS->setWhatsThis(tr("<p>Specify on which kind of ionosphere-free linear combination of GLONASS observations you want to base ambiguity resolutions.</p><p><ul><li>Specifying 'P3' means that you request BNC to use the so-called P3 ionosphere-free linear combination of code observations.</li><li>'L3' means that you request BNC to use the so-called L3 ionosphere-free linear combination of phase observations.</li> <li>'P3&L3' means that you request BNC to use both, P3 and L3 ionosphere-free linear combination of code and phase observations.</li></ul></p><p>Specifying 'no' means that you don't want BNC to estimate ambiguities using linear combinations of GLONASS observations.</p>"));

  _pppWidgets._lcGalileo->setWhatsThis(tr("<p>Specify on which kind of ionosphere-free linear combination of Galileo observations you want to base ambiguity resolutions.</p><p><ul><li>Specifying 'P3' means that you request BNC to use the so-called P3 ionosphere-free linear combination of code observations.</li><li>'L3' means that you request BNC to use the so-called L3 ionosphere-free linear combination of phase observations.</li> <li>'P3&L3' means that you request BNC to use both, P3 and L3 ionosphere-free linear combination of code and phase observations.</li></ul></p><p>Specifying 'no' means that you don't want BNC to estimate ambiguities using linear combinations of Galileo observations.</p>"));

  QVBoxLayout* pppLayout2 = new QVBoxLayout();
  pppLayout2->addWidget(new QLabel("Precise Point Positioning - Processed Stations.<br>"));
  pppLayout2->addWidget(_pppWidgets._staTable, 99);
  QHBoxLayout* pppLayout2sub = new QHBoxLayout();
  pppLayout2sub->addWidget(_pppWidgets._addStaButton);
  pppLayout2sub->addWidget(_pppWidgets._delStaButton);
  pppLayout2sub->addStretch(99);
 
  pppLayout2->addLayout(pppLayout2sub);

  pppGroup2->setLayout(pppLayout2);

  QGridLayout* pppLayout3 = new QGridLayout();
  ir = 0;
  pppLayout3->addWidget(new QLabel("Precise Point Positioning - Options.<br>"), ir, 0, 1, 2, Qt::AlignLeft);
  ++ir;     
  pppLayout3->addWidget(new QLabel("GPS LCs"),              ir, 0, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._lcGPS,                 ir, 1);
  pppLayout3->addItem(new QSpacerItem(8*ww, 0),             ir, 2);
  pppLayout3->addWidget(new QLabel("Sigma C1"),             ir, 3, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._sigmaC1,               ir, 4); _pppWidgets._sigmaC1->setMaximumWidth(8*ww);
  pppLayout3->addItem(new QSpacerItem(8*ww, 0),             ir, 5);
  pppLayout3->addWidget(new QLabel("Sigma L1"),             ir, 6, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._sigmaL1,               ir, 7); _pppWidgets._sigmaL1->setMaximumWidth(8*ww);
  ++ir;
  pppLayout3->addWidget(new QLabel("GLONASS LCs"),          ir, 0, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._lcGLONASS,             ir, 1);
  pppLayout3->addWidget(new QLabel("Max Res C1"),           ir, 3, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._maxResC1,              ir, 4); _pppWidgets._maxResC1->setMaximumWidth(8*ww);
  pppLayout3->addWidget(new QLabel("Max Res L1"),           ir, 6, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._maxResL1,              ir, 7); _pppWidgets._maxResL1->setMaximumWidth(8*ww);
  ++ir;
  pppLayout3->addWidget(new QLabel("Galileo LCs"),          ir, 0, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._lcGalileo,             ir, 1);
  pppLayout3->addWidget(new QLabel("Ele Wgt Code"),         ir, 3, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._eleWgtCode,            ir, 4);
  pppLayout3->addWidget(new QLabel("Ele Wgt Phase"),        ir, 6, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._eleWgtPhase,           ir, 7);
  ++ir;
  pppLayout3->addWidget(new QLabel("Wait for corrections"), ir, 0, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._corrWaitTime,          ir, 1);
  pppLayout3->addWidget(new QLabel("Min # of Obs"),         ir, 3, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._minObs,                ir, 4);
  pppLayout3->addWidget(new QLabel("Min Elevation"),        ir, 6, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._minEle,                ir, 7);
  ++ir;
  pppLayout3->addWidget(new QLabel("Seeding (sec)"),        ir, 0, Qt::AlignLeft);
  pppLayout3->addWidget(_pppWidgets._seedingTime,           ir, 1);
  ++ir;
  pppLayout3->addWidget(new QLabel(""),                     ir, 8);
  pppLayout3->setColumnStretch(8, 999);
  ++ir;
  pppLayout3->addWidget(new QLabel(""),                      ir, 1);
  pppLayout3->setRowStretch(ir, 999);

  pppGroup3->setLayout(pppLayout3);

  // ------------------------
  connect(_pppWidgets._mapWinButton, SIGNAL(clicked()), SLOT(slotMapPPP()));
  _pppWidgets._mapSpeedSlider->setMinimumWidth(33*ww);
  _pppWidgets._audioResponse->setMaximumWidth(8*ww);

  QGridLayout* pppLayout4 = new QGridLayout();
  ir = 0;
  pppLayout4->addWidget(new QLabel("Precise Point Positioning - Plots.<br>"), ir, 0, 1, 50, Qt::AlignLeft);
  ++ir;
  pppLayout4->addWidget(new QLabel("PPP Plot"),                          ir, 0, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._plotCoordinates,                    ir, 1, Qt::AlignLeft);
  pppLayout4->addWidget(new QLabel("Mountpoint"),                        ir, 2, 1, 10, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._audioResponse,                      ir, 4, Qt::AlignLeft);
  pppLayout4->addWidget(new QLabel("Audio response"),                    ir, 5, Qt::AlignRight);

  ++ir;
  pppLayout4->addWidget(new QLabel("Track map"),                         ir, 0, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._mapWinButton,                       ir, 1, Qt::AlignLeft);
  pppLayout4->addWidget(new QLabel("OSM"),                               ir, 2, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._useOpenStreetMap,                   ir, 3, Qt::AlignLeft);
  pppLayout4->addWidget(new QLabel("Google"),                            ir, 3, Qt::AlignRight);
  pppLayout4->addWidget(_pppWidgets._useGoogleMap,                       ir, 4, Qt::AlignLeft);
  ++ir;
  pppLayout4->addWidget(new QLabel("Dot-properties"),                    ir, 0, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._mapWinDotSize,                      ir, 1, Qt::AlignLeft);
  pppLayout4->addWidget(new QLabel("Size    "),                          ir, 2, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._mapWinDotColor,                     ir, 3, Qt::AlignLeft);
  pppLayout4->addWidget(new QLabel("Color"),                             ir, 4, Qt::AlignLeft);
  ++ir;
  pppLayout4->addWidget(new QLabel("Post-processing speed"),             ir, 0, Qt::AlignLeft);
  pppLayout4->addWidget(_pppWidgets._mapSpeedSlider,                     ir, 1, 1, 20, Qt::AlignLeft);
  ++ir;
  pppLayout4->addWidget(new QLabel(""),                                  ir, 1);
  pppLayout4->setRowStretch(ir, 999);

  pppGroup4->setLayout(pppLayout4);

  // Reqc Processing
  // ---------------
  _reqcActionComboBox = new QComboBox();
  _reqcActionComboBox->setEditable(false);
  _reqcActionComboBox->addItems(QString(",Edit/Concatenate,Analyze").split(","));
  int ik = _reqcActionComboBox->findText(settings.value("reqcAction").toString());
  if (ik != -1) {
    _reqcActionComboBox->setCurrentIndex(ik);
  }
  connect(_reqcActionComboBox, SIGNAL(currentIndexChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  QGridLayout* reqcLayout = new QGridLayout;
  _reqcActionComboBox->setMinimumWidth(15*ww);
  _reqcActionComboBox->setMaximumWidth(20*ww);

  _reqcObsFileChooser = new qtFileChooser(0, qtFileChooser::Files);
  _reqcObsFileChooser->setFileName(settings.value("reqcObsFile").toString());
  _reqcObsFileChooser->setWhatsThis(tr("<p>Specify the full path to an input observation file in RINEX v2 or v3 format.</p><p>Note that when in 'Analyze' mode, specifying at least one RINEX observation file is mandatory.</p>"));

  _reqcNavFileChooser = new qtFileChooser(0, qtFileChooser::Files);
  _reqcNavFileChooser->setFileName(settings.value("reqcNavFile").toString());
  _reqcNavFileChooser->setWhatsThis(tr("<p>Specify the full path to an input navigation file in RINEX v2 or v3 format.</p><p>Note that when in 'Analyze' mode, specifying at least one RINEX navigation file is mandatory.</p>"));

  _reqcOutObsLineEdit = new QLineEdit(settings.value("reqcOutObsFile").toString());
  _reqcOutObsLineEdit->setWhatsThis(tr("<p>Specify the full path to a RINEX observation output file.</p><p>Default is an empty option field, meaning that no RINEX observation output file will be produced.</p>"));

  _reqcOutNavLineEdit = new QLineEdit(settings.value("reqcOutNavFile").toString());
  _reqcOutNavLineEdit->setWhatsThis(tr("<p>Specify the full path to a RINEX navigation output file.</p><p>Default is an empty option field, meaning that no RINEX navigation output file will be produced.</p>"));

  _reqcOutLogLineEdit = new QLineEdit(settings.value("reqcOutLogFile").toString());
  _reqcOutLogLineEdit->setWhatsThis(tr("<p>Specify the full path to a logfile.</p><p>Default is an empty option field, meaning that no 'RINEX Editing & QC' logfile will be produced.</p>"));

  _reqcPlotDirLineEdit = new QLineEdit(settings.value("reqcPlotDir").toString());
  _reqcPlotDirLineEdit->setWhatsThis(tr("<p>Specify a directory for saving plots in PNG format.</p><p>Default is an empty option field, meaning that plots will not be saved on disk.</p>"));

  _reqcSkyPlotSignals = new QLineEdit(settings.value("reqcSkyPlotSignals").toString());
  _reqcSkyPlotSignals->setWhatsThis(tr("<p>BNC can produce plots for multipath, signal-to-noise ratio, satellite availability, satellite elevation, and PDOP values. The 'Plots for signals' option lets you exactly specify the observation signals to be used for that and also enables the plot production. You can specify the navigation system, the frequency, and the tracking mode or channel as defined in RINEX Version 3. Specifications for fequency and tracking mode or channel must be seperated by ampersand character '&'. Specifications for each navigation systems must be seperated by blank character ' '.</p><p>Examples for 'Plots for signals' option:<ul><li> G:1&2 R:1&2 J:1&2 E:1&7 C:1&6 S:1<br>(Plots will be based on GPS observations on 1st and 2nd frequency, GLONASS observations on 1st and 2nd frequency, QZSS observations on 1st and 2nd frequency, Galileo observations on 1st and 7th frequency, BeiDou observations on 1st and 6th frequency, SBAS observations on 1st frequency.)</li><li>G:1C&5X<br>(Plots will be based on GPS observations on 1st frequency in C tracking mode and GPS observations on 5th frequency in X tracking mode.)</li><li>C:6I&7I<br>(Plots will be based on BeiDou observations on 6th frequency in I tracking mode and BeiDou observations on 7th frequency in I tracking mode.)<li></ul></p><p>Default is 'C:1&7 E:1&5 G:1&2 J:1&2 R:1&2 S:1&5'. Specifying an empty option string would be overruled by this default.</p>"));
 
  connect(_reqcSkyPlotSignals, SIGNAL(textChanged(const QString &)), 
          this, SLOT(slotBncTextChanged()));

  _reqcLogSummaryOnly = new QCheckBox();
  _reqcLogSummaryOnly->setCheckState(Qt::CheckState(settings.value("reqcLogSummaryOnly").toInt()));
  _reqcLogSummaryOnly->setWhatsThis(tr("<p>By default BNC produces a detailed 'Logfile' providing all information resulting from editing or analyzing RINEX data. If that is too much information, you can limit the logfile contents to a small summary.</p><p>Tick 'Summary only' to suppress a full logfile output and instead produce a logfile containing only summary information.</p>"));

  ir = 0;
  reqcLayout->addWidget(new QLabel("RINEX file editing, concatenation and quality check.<br>"),ir, 0, 1, 8);
  ++ir;
  reqcLayout->addWidget(new QLabel("Action"),                    ir, 0);
  reqcLayout->addWidget(_reqcActionComboBox,                     ir, 1);
  _reqcEditOptionButton = new QPushButton("Set Edit Options");
  _reqcEditOptionButton->setMinimumWidth(15*ww);
  _reqcEditOptionButton->setMaximumWidth(20*ww);

  reqcLayout->addWidget(_reqcEditOptionButton,                   ir, 3);
  ++ir;
  reqcLayout->addWidget(new QLabel("Input files (full path)"),   ir, 0);
  reqcLayout->addWidget(_reqcObsFileChooser,                     ir, 1);
  _reqcObsFileChooser->setMaximumWidth(40*ww);
  reqcLayout->addWidget(new QLabel("  Obs"),                     ir, 2);
  reqcLayout->addWidget(_reqcNavFileChooser,                     ir, 3);
  _reqcNavFileChooser->setMaximumWidth(40*ww);
  reqcLayout->addWidget(new QLabel("  Nav"),                     ir, 4);
  ++ir;
  reqcLayout->addWidget(new QLabel("Output files (full path)"),  ir, 0);
  reqcLayout->addWidget(_reqcOutObsLineEdit,                     ir, 1);
  _reqcOutObsLineEdit->setMaximumWidth(40*ww);
  reqcLayout->addWidget(new QLabel("  Obs"),                     ir, 2);
  reqcLayout->addWidget(_reqcOutNavLineEdit,                     ir, 3);
  _reqcOutNavLineEdit->setMaximumWidth(40*ww);
  reqcLayout->addWidget(new QLabel("  Nav"),                     ir, 4);
  ++ir;
  reqcLayout->addWidget(new QLabel("Logfile"),                   ir, 0);
  reqcLayout->addWidget(_reqcOutLogLineEdit,                     ir, 1);
  _reqcOutLogLineEdit->setMaximumWidth(40*ww);
  reqcLayout->addWidget(new QLabel("  Summary only"),            ir, 2);
  reqcLayout->addWidget(_reqcLogSummaryOnly,                     ir, 3);
  ++ir;
  reqcLayout->addWidget(new QLabel("Plots for signals"),         ir, 0);
  reqcLayout->addWidget(_reqcSkyPlotSignals,                     ir, 1);
  _reqcSkyPlotSignals->setMaximumWidth(40*ww);
  ++ir;
  reqcLayout->addWidget(new QLabel("Directory for plots"),       ir, 0);
  reqcLayout->addWidget(_reqcPlotDirLineEdit,                    ir, 1);
  _reqcPlotDirLineEdit->setMaximumWidth(40*ww);
  ++ir;
  reqcLayout->setRowStretch(ir, 999);

  reqcLayout->setColumnMinimumWidth(2, 8*ww);
  reqcLayout->setColumnMinimumWidth(4, 8*ww);

  reqcgroup->setLayout(reqcLayout);

  connect(_reqcEditOptionButton, SIGNAL(clicked()), 
          this, SLOT(slotReqcEditOption()));

  QGridLayout* sp3CompLayout = new QGridLayout;

  _sp3CompFileChooser = new qtFileChooser(0, qtFileChooser::Files);
  _sp3CompFileChooser->setFileName(settings.value("sp3CompFile").toString());
  _sp3CompFileChooser->setWhatsThis(tr("<p>BNC can compare two SP3 files containing GNSS satellite orbit and clock information.</p></p>Specify the full path to two files with orbits and clocks in SP3 format, separate them by comma.</p>"));
  _sp3CompFileChooser->setMinimumWidth(15*ww);
  _sp3CompFileChooser->setMaximumWidth(40*ww);

  _sp3CompExclude = new QLineEdit(settings.value("sp3CompExclude").toString());
  _sp3CompExclude->setMinimumWidth(15*ww);
  _sp3CompExclude->setMaximumWidth(15*ww);
  _sp3CompExclude->setWhatsThis(tr("<p>Specify satellites to exclude them from orbit and clock comparision. Example:<p>G04,G31,R</p><p>This excludes GPS satellites RPN 4 and 31 as well as all GLONASS satellites from the comparision.</p><p>Default is an empty option field, meaning that no satellite is excluded from the comparison.</p>"));

  _sp3CompLogLineEdit = new QLineEdit(settings.value("sp3CompOutLogFile").toString());
  _sp3CompLogLineEdit->setWhatsThis(tr("<p>Specify the full path to a logfile to save comparison results.</p><p>Specifying a logfile is mandatory. Comparing SP3 files and not saving the results on disk would be meaningless.</p>"));
  _sp3CompLogLineEdit->setMinimumWidth(15*ww);
  _sp3CompLogLineEdit->setMaximumWidth(15*ww);

  ir = 0;
  sp3CompLayout->addWidget(new QLabel("Orbit and clock comparison.<br>"),  ir, 0, 1, 40);
  ++ir;
  sp3CompLayout->addWidget(new QLabel("Input SP3 files (full path)"),  ir, 0, Qt::AlignLeft);
  sp3CompLayout->addWidget(_sp3CompFileChooser,                        ir, 1, 1, 20);
  ++ir;
  sp3CompLayout->addWidget(new QLabel("Exclude satellites"),           ir, 0, Qt::AlignLeft);
  sp3CompLayout->addWidget(_sp3CompExclude,                            ir, 1, Qt::AlignRight);
  ++ir;
  sp3CompLayout->addWidget(new QLabel("Logfile"),                      ir, 0, Qt::AlignLeft);
  sp3CompLayout->addWidget(_sp3CompLogLineEdit,                        ir, 1, Qt::AlignRight);
  ++ir;
  sp3CompLayout->addWidget(new QLabel(""),                             ir, 1);
  ++ir;
  sp3CompLayout->setRowStretch(ir, 999);

  sp3CompLayout->setColumnMinimumWidth(2, 8*ww);
  sp3CompLayout->setColumnMinimumWidth(4, 8*ww);

  sp3CompGroup->setLayout(sp3CompLayout);

  connect(_sp3CompFileChooser, SIGNAL(fileNameChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Combine Corrections
  // -------------------
  QGridLayout* cmbLayout = new QGridLayout;

  populateCmbTable();
  cmbLayout->addWidget(_cmbTable,                                            0, 0, 8, 3);
  cmbLayout->addWidget(new QLabel(" Combine Broadcast Correction streams.<br>"), 1, 6, 1, 10);
  cmbLayout->addWidget(addCmbRowButton,                                      2, 6);
  cmbLayout->addWidget(delCmbRowButton,                                      2, 7);
  cmbLayout->addWidget(new QLabel("Method"),                                 3, 6, Qt::AlignRight);
  cmbLayout->addWidget(_cmbMethodComboBox,                                   3, 7);
  cmbLayout->addWidget(new QLabel(" Maximal residuum"),                      4, 6, Qt::AlignRight);
  cmbLayout->addWidget(_cmbMaxresLineEdit,                                   4, 7, Qt::AlignRight);
  cmbLayout->addWidget(new QLabel("Sampling"),                               5, 6, Qt::AlignRight);
  cmbLayout->addWidget(_cmbSamplSpinBox,                                     5, 7);
  cmbLayout->addWidget(new QLabel("   Use GLONASS"),                         6, 6, Qt::AlignRight);
  cmbLayout->addWidget(_cmbUseGlonass,                                       6, 7);
  cmbLayout->setRowStretch(7, 999);

  connect(addCmbRowButton, SIGNAL(clicked()), this, SLOT(slotAddCmbRow()));
  connect(delCmbRowButton, SIGNAL(clicked()), this, SLOT(slotDelCmbRow()));

  cmbgroup->setLayout(cmbLayout);

  // Upload Layout (Clocks)
  // ----------------------
  QGridLayout* uploadHlpLayout = new QGridLayout();

  connect(addUploadRowButton, SIGNAL(clicked()), this, SLOT(slotAddUploadRow()));
  connect(delUploadRowButton, SIGNAL(clicked()), this, SLOT(slotDelUploadRow()));
  connect(setUploadTrafoButton, SIGNAL(clicked()), this, SLOT(slotSetUploadTrafo()));

  uploadHlpLayout->addWidget(addUploadRowButton,                  0, 0);
  uploadHlpLayout->addWidget(delUploadRowButton,                  0, 1);
  uploadHlpLayout->addWidget(new QLabel("Interval"),              0, 2, Qt::AlignRight);
  uploadHlpLayout->addWidget(_uploadIntrComboBox,                 0, 3);
  uploadHlpLayout->addWidget(new QLabel("     Sampling:    Orb"), 0, 4, Qt::AlignRight);
  uploadHlpLayout->addWidget(_uploadSamplRtcmEphCorrSpinBox,      0, 5);
  uploadHlpLayout->addWidget(new QLabel("SP3"),                   0, 6, Qt::AlignRight);
  uploadHlpLayout->addWidget(_uploadSamplSp3SpinBox,              0, 7);
  uploadHlpLayout->addWidget(new QLabel("RNX"),                   0, 8, Qt::AlignRight);
  uploadHlpLayout->addWidget(_uploadSamplClkRnxSpinBox,           0, 9);
  uploadHlpLayout->addWidget(setUploadTrafoButton,                0,10);
  uploadHlpLayout->addWidget(new QLabel("ANTEX file"),            1, 0, Qt::AlignLeft);
  uploadHlpLayout->addWidget(_uploadAntexFile,                    1, 1, 1, 4);

  QBoxLayout* uploadLayout = new QBoxLayout(QBoxLayout::TopToBottom);
  populateUploadTable();

  uploadLayout->addWidget(new QLabel("Upload RTCM Version 3 Broadcast Corrections to caster.<br>"));
  uploadLayout->addWidget(_uploadTable);
  uploadLayout->addLayout(uploadHlpLayout);

  uploadgroup->setLayout(uploadLayout);

  // Upload Layout (Ephemeris)
  // -------------------------
  QGridLayout* uploadLayoutEph = new QGridLayout;

  uploadLayoutEph->setColumnMinimumWidth(0, 9*ww);
  _uploadEphPortLineEdit->setMaximumWidth(9*ww);
  _uploadEphPasswordLineEdit->setMaximumWidth(9*ww);
  _uploadEphMountpointLineEdit->setMaximumWidth(12*ww);

  uploadLayoutEph->addWidget(new QLabel("Upload concatenated RTCMv3 Broadcast Ephemeris to caster.<br>"), 0, 0, 1, 50);
  uploadLayoutEph->addWidget(new QLabel("Host"),                  1, 0);
  uploadLayoutEph->addWidget(_uploadEphHostLineEdit,              1, 1, 1, 3);
  uploadLayoutEph->addWidget(new QLabel("  Port"),                1, 4, Qt::AlignRight);
  uploadLayoutEph->addWidget(_uploadEphPortLineEdit,              1, 5, 1, 1);
  uploadLayoutEph->addWidget(new QLabel("Mountpoint           "), 2, 0);
  uploadLayoutEph->addWidget(_uploadEphMountpointLineEdit,        2, 1);
  uploadLayoutEph->addWidget(new QLabel("          Password"),    2, 2, Qt::AlignRight);
  uploadLayoutEph->addWidget(_uploadEphPasswordLineEdit,          2, 3);
  uploadLayoutEph->addWidget(new QLabel("Sampling"),              3, 0);
  uploadLayoutEph->addWidget(_uploadEphSampleSpinBox,             3, 1);
  uploadLayoutEph->addWidget(new QLabel("Uploaded"),              4, 0);
  uploadLayoutEph->addWidget(_uploadEphBytesCounter,              4, 1); 
  uploadLayoutEph->setRowStretch(5, 999);

  uploadEphgroup->setLayout(uploadLayoutEph);

  connect(_uploadEphHostLineEdit, SIGNAL(textChanged(const QString &)),
          this, SLOT(slotBncTextChanged()));

  // Main Layout
  // -----------
  QGridLayout* mLayout = new QGridLayout;
  _aogroup->setCurrentIndex(settings.value("startTab").toInt());
  mLayout->addWidget(_aogroup,            0,0);
  mLayout->addWidget(_mountPointsTable,   1,0);
  _loggroup->setCurrentIndex(settings.value("statusTab").toInt());
  mLayout->addWidget(_loggroup,           2,0);

  _canvas->setLayout(mLayout);

  // WhatsThis
  // ---------
  _proxyHostLineEdit->setWhatsThis(tr("<p>If you are running BNC within a protected Local Area Network (LAN), you might need to use a proxy server to access the Internet. Enter your proxy server IP and port number in case one is operated in front of BNC. If you do not know the IP and port of your proxy server, check the proxy server settings in your Internet browser or ask your network administrator.</p><p>Note that IP streaming is sometimes not allowed in a LAN. In this case you need to ask your network administrator for an appropriate modification of the local security policy or for the installation of a TCP relay to the NTRIP broadcasters. If these are not possible, you might need to run BNC outside your LAN on a network that has unobstructed connection to the Internet.</p>"));
  _proxyPortLineEdit->setWhatsThis(tr("<p>Enter your proxy server port number in case a proxy is operated in front of BNC.</p>"));
  _sslCaCertPathLineEdit->setWhatsThis(tr("<p>Communication with an NTRIP broadcaster over SSL requires the exchange of client and/or server certificates. Specify the path to a directory where you save certificates on your system. Don't try communication via SSL if you are not sure wheter this is supported by the involved NTRIP broadcaster. Note that SSL communication is usually done over port 443.</p>"));
  _ignoreSslErrorsCheckBox->setWhatsThis(tr("<p>SSL communication may involve queries coming from the NTRIP broadcaster. Tick 'Ignore SSL authorization erros' if you don't want to be bothered with this.</p>"));
  _waitTimeSpinBox->setWhatsThis(tr("<p>When feeding a real-time GNSS network engine waiting for synchronized input epoch by epoch, BNC drops whatever is received later than 'Wait for full obs epoch' seconds. A value of 3 to 5 seconds is recommended, depending on the latency of the incoming streams and the delay acceptable to your real-time GNSS network engine or products.</p>"));
  _outFileLineEdit->setWhatsThis(tr("Specify the full path to a file where synchronized observations are saved in plain ASCII format. Beware that the size of this file can rapidly increase depending on the number of incoming streams."));
  _outPortLineEdit->setWhatsThis(tr("BNC can produce synchronized observations in a plain ASCII format on your local host through an IP port. Specify a port number here to activate this function."));
  _outUPortLineEdit->setWhatsThis(tr("BNC can produce unsynchronized observations in a plain ASCII format on your local host through an IP port. Specify a port number here to activate this function."));
  _outEphPortLineEdit->setWhatsThis(tr("BNC can produce ephemeris data in RINEX ASCII format on your local host through an IP port. Specify a port number here to activate this function."));
  _corrPortLineEdit->setWhatsThis(tr("BNC can produce Broadcast Ephemeris Corrections on your local host through an IP port. Specify a port number here to activate this function."));
  _rnxPathLineEdit->setWhatsThis(tr("Here you specify the path to where the RINEX Observation files will be stored. If the specified directory does not exist, BNC will not create RINEX Observation files.")); 
  _ephPathLineEdit->setWhatsThis(tr("Specify the path for saving Broadcast Ephemeris data as RINEX Navigation files. If the specified directory does not exist, BNC will not create RINEX Navigation files."));
  _corrPathLineEdit->setWhatsThis(tr("Specify a directory for saving Broadcast Ephemeris Correction files. If the specified directory does not exist, BNC will not create the files."));
  _rnxScrpLineEdit->setWhatsThis(tr("<p>Whenever a RINEX Observation file is saved, you might want to compress, copy or upload it immediately via FTP. BNC allows you to execute a script/batch file to carry out these operations. To do that specify the full path of the script/batch file here. BNC will pass the full RINEX Observation file path to the script as a command line parameter (%1 on Windows systems, $1 onUnix/Linux systems).</p>"));
  _rnxSkelLineEdit->setWhatsThis(tr("<p>BNC allows using personal skeleton files that contain the header records you would like to include. You can derive a personal RINEX header skeleton file from the information given in an up to date sitelog.</p><p>A file in the RINEX Observations 'Directory' with a 'Skeleton extension' suffix is interpreted by BNC as a personal RINEX header skeleton file for the corresponding stream.</p>"));
  _rnxAppendCheckBox->setWhatsThis(tr("<p>When BNC is started, new files are created by default and any existing files with the same name will be overwritten. However, users might want to append already existing files following a restart of BNC, a system crash or when BNC crashed. Tick 'Append files' to continue with existing files and keep what has been recorded so far.</p>"));
  _autoStartCheckBox->setWhatsThis(tr("<p>Tick 'Auto start' for auto-start of BNC at startup time in window mode with preassigned processing options.</p>"));
  _rawOutFileLineEdit->setWhatsThis(tr("<p>Save all data coming in through various streams in the received order and format in one file.</p>"));
  _onTheFlyComboBox->setWhatsThis(tr("<p>When operating BNC online in 'no window' mode, some configuration parameters can be changed on-the-fly without interrupting the running process. For that BNC rereads parts of its configuration in pre-defined intervals.<p></p>Select '1 min', '5 min', '1 hour', or '1 day' to force BNC to reread its configuration every full minute, hour, or day and let in between edited configuration options become effective on-the-fly without terminating uninvolved threads.</p><p>Note that when operating BNC in window mode, on-the-fly changeable configuration options become effective immediately through 'Save & Reread Configuration'.</p>"));
  _rnxIntrComboBox->setWhatsThis(tr("<p>Select the length of the RINEX Observation file.</p>"));
  _ephIntrComboBox->setWhatsThis(tr("<p>Select the length of the RINEX Navigation file.</p>"));
  _corrIntrComboBox->setWhatsThis(tr("<p>Select the length of the Broadcast Ephemeris Correction files.</p>"));
  _rnxSamplSpinBox->setWhatsThis(tr("<p>Select the RINEX Observation sampling interval in seconds. A value of zero '0' tells BNC to store all received epochs into RINEX.</p>"));
  _binSamplSpinBox->setWhatsThis(tr("<p>Select the synchronized observation sampling interval in seconds. A value of zero '0' tells BNC to send/store all received epochs.</p>"));
  _obsRateComboBox->setWhatsThis(tr("<p>BNC can collect all returns (success or failure) coming from a decoder within a certain short time span to then decide whether a stream has an outage or its content is corrupted. The procedure needs a rough estimate of the expected 'Observation rate' of the incoming streams. When a continuous problem is detected, BNC can inform its operator about this event through an advisory note.</p><p>Default is an empty option field, meaning that you don't want BNC to report on stream failures or recoveries when exceeding a threshold time span.</p>"));
  _adviseRecoSpinBox->setWhatsThis(tr("<p>Following a stream outage or a longer series of bad observations, an advisory note is generated when valid observations are received again throughout the 'Recovery threshold' time span. A value of about 5min (default) is recommended.</p><p>A value of zero '0' means that for any stream recovery, however short, BNC immediately generates an advisory note.</p>"));
  _adviseFailSpinBox->setWhatsThis(tr("<p>An advisory note is generated when no (or only corrupted) observations are seen throughout the 'Failure threshold' time span. A value of 15 min (default) is recommended.</p><p>A value of zero '0' means that for any stream failure, however short, BNC immediately generates an advisory note.</p>"));
  _logFileLineEdit->setWhatsThis(tr("<p>Records of BNC's activities are shown in the 'Log' tab on the bottom of this window. They can be saved into a file when a valid path is specified in the 'Logfile (full path)' field.</p><p>The logfile name will automatically be extended by a string '_YYMMDD' carrying the current date."));
  _adviseScriptLineEdit->setWhatsThis(tr("<p>Specify the full path to a script or batch file to handle advisory notes generated in the event of corrupted streams or stream outages. The affected mountpoint and one of the comments 'Begin_Outage', 'End_Outage', 'Begin_Corrupted', or 'End_Corrupted' are passed on to the script as command line parameters.</p><p>The script may have the task to send the advisory notes by email to BNC's operator and/or to the affected stream provider.</p><p>An empty option field (default) or invalid path means that you don't want to use this option.</p>"));
  _perfIntrComboBox->setWhatsThis(tr("<p>BNC can average latencies per stream over a certain period of GPS time. The resulting mean latencies are recorded in the 'Log' tab at the end of each 'Log latency' interval together with results of a statistical evaluation (approximate number of covered epochs, data gaps).</p><p>Select a 'Log latency' interval or select the empty option field if you do not want BNC to log latencies and statistical information.</p>"));
  _mountPointsTable->setWhatsThis(tr("<p>Streams selected for retrieval are listed in the 'Streams' section. Clicking on 'Add Stream' button will open a window that allows the user to select data streams from an NTRIP broadcaster according to their mountpoints. To remove a stream from the 'Streams' list, highlight it by clicking on it and hit the 'Delete Stream' button. You can also remove multiple streams by highlighting them using +Shift and +Ctrl.</p><p>BNC automatically allocates one of its internal decoders to a stream based on the stream's 'format' as given in the sourcetable. BNC allows users to change this selection by editing the decoder string. Double click on the 'decoder' field, enter your preferred decoder and then hit Enter. The accepted decoder strings are 'RTCM_2.x', 'RTCM_3.x' and 'RTNET'.</p><p>In case you need to log the raw data as is, BNC allows users to by-pass its decoders and directly save the input in daily log files. To do this specify the decoder string as 'ZERO'.</p><p>BNC can also retrieve streams from virtual reference stations (VRS). VRS streams are indicated by a 'yes' in the 'nmea' column. To initiate these streams, the approximate latitude/longitude rover position is sent to the NTRIP broadcaster together with an approximation for the height. The default values for latitude and longitude can be change according to your requirement. Double click on 'lat' and 'long' fields, enter the values you wish to send and then hit Enter.</p>"));
  _log->setWhatsThis(tr("Records of BNC's activities are shown in the 'Log' tab. The message log covers the communication status between BNC and the NTRIP broadcaster as well as any problems that occur in the communication link, stream availability, stream delay, stream conversion etc."));
  _bncFigure->setWhatsThis(tr("The bandwidth consumtion per stream is shown in the 'Throughput' tab in bits per second (bps) or kilo bits per second (kbps)."));
  _bncFigureLate->setWhatsThis(tr("The individual latency of observations in each incoming stream is shown in the 'Latency' tab. Streams not carrying observations (i.e. those providing only broadcast ephemeris messages) are not considered here. Note that the calculation of correct latencies requires the clock of the host computer to be properly synchronized."));
  _ephV3CheckBox->setWhatsThis(tr("The default format for output of RINEX Navigation data containing Broadcast Ephemeris is RINEX Version 2. Select 'Version 3' if you want to output the ephemeris in RINEX Version 3 format."));
  _rnxV3CheckBox->setWhatsThis(tr("The default format for RINEX Observation files is RINEX Version 2. Select 'Version 3' if you want to save the observations in RINEX Version 3 format."));
  _rnxV2Priority->setWhatsThis(tr("<p>Specify a priority list of characters defining signal attributes as defined in RINEX Version 3. Priorities will be used to map observations with RINEX Version 3 attributes from incoming streams to Version 2. The underscore character '_' stands for undefined attributes. A question mark '?' can be used as wildcard which represents any one character.</p><p>Default is priority list 'CWPX_?'.</p>"));
  _miscMountLineEdit->setWhatsThis(tr("<p>Specify a mountpoint to apply any of the options shown below. Enter 'ALL' if you want to apply these options to all configured streams.</p><p>An empty option field (default) means that you don't want BNC to apply any of these options.</p>"));
  _miscPortLineEdit->setWhatsThis(tr("BNC can output an incoming stream through a TCP/IP port of your local host. Specify a port number here to activate this function."));
  _scanRTCMCheckBox->setWhatsThis(tr("<p>Tick 'Scan RTCM' to log the numbers of incomming message types as well as contained antenna coordinates, antenna heigt, and antenna descriptor.</p><p>In case of RTCM Version 3 MSM streams, BNC will also log contained RINEX Version 3 observation types.</p>."));
  _serialMountPointLineEdit->setWhatsThis(tr("<p>Enter a 'Mountpoint' to forward the corresponding stream to a serial connected receiver.</p><p>Depending on the stream contents the receiver may use it for Differential GNSS, Precise Point Positioning or any other purpose supported by the firmware.</p>"));
  _serialPortNameLineEdit->setWhatsThis(tr("<p>Enter the serial 'Port name' selected for communication with your serial connected receiver. Valid port names are</p><pre>Windows:       COM1, COM2<br>Linux:         /dev/ttyS0, /dev/ttyS1<br>FreeBSD:       /dev/ttyd0, /dev/ttyd1<br>Digital Unix:  /dev/tty01, /dev/tty02<br>HP-UX:         /dev/tty1p0, /dev/tty2p0<br>SGI/IRIX:      /dev/ttyf1, /dev/ttyf2<br>SunOS/Solaris: /dev/ttya, /dev/ttyb</pre><p>Note that you must plug a serial cable in the port defined here before you start BNC.</p>"));
  _serialBaudRateComboBox->setWhatsThis(tr("<p>Select a 'Baud rate' for the serial output link.</p><p>Note that your selection must equal the baud rate configured to the serial connected receiver. Note further that using a high baud rate is recommended.</p>"));
  _serialParityComboBox->setWhatsThis(tr("<p>Select the 'Parity' for the serial output link.</p><p>Note that your selection must equal the parity selection configured to the serial connected receiver. Note further that parity is often set to 'NONE'.</p>"));
  _serialDataBitsComboBox->setWhatsThis(tr("<p>Select the number of 'Data bits' for the serial output link.</p><p>Note that your selection must equal the number of data bits configured to the serial connected receiver. Note further that often 8 data bits are used.</p>"));
  _serialStopBitsComboBox->setWhatsThis(tr("<p>Select the number of 'Stop bits' for the serial output link.</p><p>Note that your selection must equal the number of stop bits configured to the serial connected receiver. Note further that often 1 stop bit is used.</p>"));
  _serialFlowControlComboBox->setWhatsThis(tr("<p>Select a 'Flow control' for the serial output link.</p><p>Note that your selection must equal the flow control configured to the serial connected receiver. Select 'OFF' if you don't know better.</p>"));
  _serialAutoNMEAComboBox->setWhatsThis(tr("<p>The 'NMEA' option supports the so-called 'Virtural Reference Station' (VRS) concept which requires the receiver to send approximate position information to the NTRIP Broadcaster. Select 'no' if you don't want BNC to forward or upload any NMEA message to the NTRIP broadcaster in support of VRS.</p><p>Select 'Auto' to automatically forward NMEA messages of type GGA from your serial connected receiver to the NTRIP broadcaster and/or save them in a file.</p><p>Select 'Manual GPGGA' or 'Manual GNGGA' if you want BNC to produce and upload GPGGA or GNGGA NMEA messages to the NTRIP broadcaster because your serial connected receiver doesn't generate these messages. A Talker ID 'GP' preceding the GGA string stands for GPS solutions while a Talker ID 'GN' stands for multi constellation solutions.</p><p>Note that selecting 'Auto' or 'Manual' works only for VRS streams which show up under the 'Streams' canvas on BNC's main window with 'ntrip' stream attribute set to 'yes'. This attribute is either extracted from the NTRIP broadcaster's sourcetable or introduced by the user through editing the BNC configuration file.</p>"));
  _serialFileNMEALineEdit->setWhatsThis(tr("<p>Specify the full path to a file where NMEA messages coming from your serial connected receiver are saved.</p><p>Default is an empty option field, meaning that NMEA messages will not be saved on disk.</p>"));
  _serialHeightNMEALineEdit->setWhatsThis(tr("<p>Specify an approximate 'Height' above mean sea level in meters for the reference station introduced through 'Mountpoint'. Together with the latitude and longitude from the NTRIP broadcaster sourcetable the height information is used to build one initial GGA message to be sent to the NTRIP broadcaster.</p><p>For adjusting latitude and longitude values of a VRS stream given in the 'Streams' canvas you can double click the latitude/longitude data fields, specify appropriate values and then hit Enter.</p><p>This option is only relevant when option 'NMEA' is set to 'Manual GPGGA' or 'Manual GNGGA' respectively.</p>"));
  _serialManualNMEASamplingSpinBox->setWhatsThis(tr("<p>Select the sampling interval in seconds for manual generation and upload of NMEA GGA sentences.</p><p>A sampling rate of '0' means, the a GGA sentence will be send only once to initialize the requested VRS stream. Note that some VRS systems need GGA sentences at regular intervals.</p>"));
  _reqcActionComboBox->setWhatsThis(tr("<p>BNC allows to 'Edit or Concatenate' RINEX v2 or v3 files or to perform a quality check and 'Analyze' the data following UNAVCO's famous 'teqc' program.</p>"));
  _reqcEditOptionButton->setWhatsThis(tr("<p>Specify options for editing RINEX v2 or v3 files.</p>"));
  _bncFigurePPP->setWhatsThis(tr("PPP time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when the corresponting option is selected above. Values are either referred to an XYZ reference coordinate (if specified) or referred to the first estimated set of coordinate compoments. The sliding PPP time series window covers the period of the latest 5 minutes."));

  _cmbTable->setWhatsThis(tr("<p>BNC allows to process several orbit and clock corrections streams in real-time to produce, encode, upload and save a combination of correctors coming from various providers. Hit the 'Add Row' button, double click on the 'Mountpoint' field to enter a Broadcast Ephemeris corrections mountpoint from the 'Streams' section below and hit Enter. Then double click on the 'AC Name' field to enter your choice of an abbreviation for the Analysis Center (AC) providing the stream. Finally, double click on the 'Weight' field to enter the weight to be applied for this stream in the combination.</p><p>Note that the orbit information in the final combination stream is just copied from one of the incoming streams. The stream used for providing the orbits may vary over time: if the orbit providing stream has an outage then BNC switches to the next remaining stream for getting hold of the orbit information.</p><p>The combination process requires Broadcast Ephemeris. Besides the orbit and clock corrections stream(s) BNC should therefore pull a stream carrying Broadcast Ephemeris in the form of RTCM Version 3 messages.</p><p>It is possible to specify only one Broadcast Ephemeris corrections stream in the combination table. Instead of combining corrections BNC will then merge them with Broadcast Ephemeris to save results in SP3 and/or Clock RINEX format."));

  _cmbMaxresLineEdit->setWhatsThis(tr("<p>BNC combines all incoming clocks according to specified weights. Individual clock estimates that differ by more than 'Maximal Residuum' meters from the average of all clocks will be ignored.<p></p>It is suggested to specify a value of about 0.2 m for the Kalman filter combination approach and a value of about 3.0 meters for the Single-Epoch combination approach.</p><p>Default is a value of '999.0'.</p>"));
  _cmbSamplSpinBox->setWhatsThis(tr("<p>Specify a combination sampling interval for the Clocks. The clock corrections will be produced following that interval. A value of 10 sec may be an appropriate choice.</p>"));
  _cmbUseGlonass->setWhatsThis(tr("<p>In case the incoming orbit and clock correction stream(s) support GLONASS, you can tick 'Use GLONASS' to produce a GPS plus GLONASS combination solution.</p><p>Default is a GPS-only combination."));
  _cmbMethodComboBox->setWhatsThis(tr("<p>Select a clock combination approach. Options are 'Single-Epoch' and Kalman 'Filter'. It is suggested to use the Kalman filter approach for the purpose of Precise Point Positioning.</p>"));
  _uploadTable->setWhatsThis(tr("<p>BNC can upload clock and orbit corrections to broadcast ephemeris (Broadcast Corrections) in RTCM Version 3 SSR format. You may have a situation where clocks and orbits come from an external Real-time Network Engine (1) or a situation where clock and orbit corrections are combined within BNC (2).</p><p>(1) BNC identifies a stream as coming from a Real-time Network Engine if its format is specified as 'RTNET' and hence its decoder string in the 'Streams' canvas is 'RTNET'. It encodes and uploads that stream to the specified NTRIP broadcaster</p><p>(2) BNC understands that it is expected to encode and upload combined Broadcast Ephemeris corrections if you specify correction streams in the 'Combine Corrections' stream table.</p><p>Hit the 'Add Row' button, double click on the 'Host' field to enter the IP or URL of an NTRIP broadcaster and hit Enter. Then double click on the 'Port', 'Mount' and 'Password' fields to enter the NTRIP broadcaster IP port (default is 80), the mountpoint and the stream upload password. An empty 'Host' option field means that you don't want to upload corrections.</p><p>Select a target coordinate reference system (e.g. IGS08) for outgoing clock and orbit corrections.</p><p>By default orbit and clock corrections refer to Antenna Phase Center (APC). Tick 'CoM' to refer uploaded corrections to Center of Mass instead of APC.</p><p>Specify a path for saving the generated Broadcast Corrections plus Broadcast Ephemeris as SP3 orbit files. If the specified directory does not exist, BNC will not create SP3 orbit files. The following is a path example for a Linux system:<br>/home/user/BNC${GPSWD}.sp3<br>Note that '${GPSWD}' produces the GPS Week and Day number in the file name.</p><p>When saving SP3 file contents and/or referring correctors to the satellite's Center of Mass (CoM), an offset has to be applied because correctors originally refer to the satellite's Antenna Phase Center (APC). Antenna offsets are available from the IGS 'ANTEX file' which can be introduced through specifying its path. If you don't specify an 'ANTEX file' path, the SP3 file contents and the orbit and clock correctors will be referred to satellite APCs and not to CoM.</p><p>Specify a path for saving the generated Broadcast Correction clocks plus Broadcast Ephemeris clocks as Clock RINEX files. If the specified directory does not exist, BNC will not create Clock RINEX files. The following is a path example for a Linux system:<br>/home/user/BNC${GPSWD}.clk<br>Note that '${GPSWD}' produces the GPS Week and Day number in the file name.</p><p>Specify finally an SSR Provider ID number, an SSR Solution ID number and an Issue of Data SSR number.</p><p>In case the 'Combine Corrections' table contains only one Broadcast Corrections stream, BNC will merge that stream with Broadcast Ephemeris to save results in files specified here through SP3 and/or Clock RINEX file path. In such a case you should define only the SP3 and Clock RINEX file path and no further options in the 'Upload Corrections' table.</p>"));

  addCmbRowButton->setWhatsThis(tr("Hit 'Add Row' button to add another line to the mountpoints table."));
  delCmbRowButton->setWhatsThis(tr("Hit 'Delete' button to delete the highlighted line from the mountpoints table."));
  addUploadRowButton->setWhatsThis(tr("Hit 'Add Row' button to add another line to the stream upload table."));
  delUploadRowButton->setWhatsThis(tr("Hit 'Del Row' button to delete the highlighted line from the stream upload table."));
  _uploadIntrComboBox->setWhatsThis(tr("Select the length of the SP3 and Clock RINEX files."));
  _uploadSamplRtcmEphCorrSpinBox->setWhatsThis(tr("Select the stream's orbit correction sampling interval in seconds. A value of zero '0' tells BNC to upload all available orbit and clock correction samples together in combined messages."));
  _uploadSamplClkRnxSpinBox->setWhatsThis(tr("Select the Clock RINEX file sampling interval in seconds. A value of zero '0' tells BNC to store all available samples into Clock RINEX files."));
  _uploadSamplSp3SpinBox->setWhatsThis(tr("Select the SP3 orbit file sampling interval in minutes. A value of zero '0' tells BNC to store all available samples into SP3 orbit files."));
  setUploadTrafoButton->setWhatsThis(tr("Hit 'Custom Trafo' to specify your own 14 parameter Helmert Transformation instead of selecting a predefined transformation through 'System' button.")); 
  _uploadAntexFile->setWhatsThis(tr("<p>When producing SP3 files or referring orbit and clock corrections to the satellite's Center of Mass (CoM) instead of Antenna Phase Center (APC), an offset has to be applied which is available from the IGS 'ANTEX file'. You must therefore specify the 'ANTEX file' path if you want to save the stream contents in SP3 format and/or refer correctors to CoM.</p><p>If you don't specify an 'ANTEX file' path, the SP3 file contents as well as the orbit and clock correctors will be referred to satellite APCs.</p>")); 
  _uploadEphHostLineEdit->setWhatsThis(tr("BNC can upload a Broadcast Ephemeris stream in RTCM Version 3 format. Specify the host IP of an NTRIP Broadcaster to upload the stream. An empty option field means that you don't want to upload Broadcast Ephemeris."));
  _uploadEphPortLineEdit->setWhatsThis(tr("Specify the IP port of an NTRIP Broadcaster to upload the stream. Default is port 80."));
  _uploadEphMountpointLineEdit->setWhatsThis(tr("Specify the mounpoint for stream upload to an NTRIP Broadcaster."));
  _uploadEphPasswordLineEdit->setWhatsThis(tr("Specify the stream upload password protecting the mounpoint on an NTRIP Broadcaster."));
  _uploadEphSampleSpinBox->setWhatsThis(tr("Select the Broadcast Ephemeris sampling interval in seconds. Defaut is '5' meaning that a complete set of Broadcast Ephemeris is uploaded every 5 seconds."));
  _uploadEphBytesCounter->setWhatsThis(tr("BNC shows the amount of data uploaded through this stream."));
  _actDeleteMountPoints->setWhatsThis(tr("<p>Delete stream(s) from selection presented in the 'Streams' canvas.</p>"));
  _actAddMountPoints->setWhatsThis(tr("<p>Add stream(s) to selection presented in the 'Streams' canvas.</p>"));
  _actMapMountPoints->setWhatsThis(tr("<p> Draw distribution map of stream selection presented in the 'Streams' canvas. Use the mouse to zoom in or out.</p><p>Left button: Draw rectangle to zoom in.<br>Right button: Zoom out.<br>Middle button: Zoom back.</p>")); 
  _actStart->setWhatsThis(tr("<p> Start running BNC.</p>"));
  _actStop->setWhatsThis(tr("<p> Stop running BNC.</p>"));

  // Enable/Disable all Widgets
  // --------------------------
  slotBncTextChanged();
  enableStartStop();

  // Auto start
  // ----------
  if ( Qt::CheckState(settings.value("autoStart").toInt()) == Qt::Checked) {
    slotStart();
  }
}

// Destructor
////////////////////////////////////////////////////////////////////////////
bncWindow::~bncWindow() {
  delete _caster; BNC_CORE->setCaster(0);
  delete _casterEph;
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::populateMountPointsTable() {

  for (int iRow = _mountPointsTable->rowCount()-1; iRow >=0; iRow--) {
    _mountPointsTable->removeRow(iRow);
  }

  bncSettings settings;

  QListIterator<QString> it(settings.value("mountPoints").toStringList());
  int iRow = 0;
  while (it.hasNext()) {
    QStringList hlp = it.next().split(" ");
    if (hlp.size() < 5) continue;
    _mountPointsTable->insertRow(iRow);

    QUrl    url(hlp[0]);

    QString fullPath = url.host() + QString(":%1").arg(url.port()) + url.path();
    QString format(hlp[1]); QString latitude(hlp[2]); QString longitude(hlp[3]);
    QString nmea(hlp[4]);
    if (hlp[5] == "S") {
      fullPath = hlp[0].replace(0,2,"");
    }
    QString ntripVersion = "2";
    if (hlp.size() >= 6) {
      ntripVersion = (hlp[5]);
    }

    QTableWidgetItem* it;
    it = new QTableWidgetItem(url.userInfo());
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 0, it);

    it = new QTableWidgetItem(fullPath);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 1, it);

    it = new QTableWidgetItem(format);
    _mountPointsTable->setItem(iRow, 2, it);

    if      (nmea == "yes") {
    it = new QTableWidgetItem(latitude);
    _mountPointsTable->setItem(iRow, 3, it);
    it = new QTableWidgetItem(longitude);
    _mountPointsTable->setItem(iRow, 4, it);
    } else {
    it = new QTableWidgetItem(latitude);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 3, it);
    it = new QTableWidgetItem(longitude);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 4, it);
    }

    it = new QTableWidgetItem(nmea);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 5, it);

    it = new QTableWidgetItem(ntripVersion);
    ////    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 6, it);

    bncTableItem* bncIt = new bncTableItem();
    bncIt->setFlags(bncIt->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 7, bncIt);

    iRow++;
  }

  _mountPointsTable->sortItems(1);

  enableStartStop();
}

// Retrieve Table
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotAddMountPoints() {

  bncSettings settings;
  QString proxyHost = settings.value("proxyHost").toString();
  int     proxyPort = settings.value("proxyPort").toInt();
  if (proxyHost != _proxyHostLineEdit->text()         ||
      proxyPort != _proxyPortLineEdit->text().toInt()) {
    int iRet = QMessageBox::question(this, "Question", "Proxy options "
                                     "changed. Use the new ones?", 
                                     QMessageBox::Yes, QMessageBox::No,
                                     QMessageBox::NoButton);
    if      (iRet == QMessageBox::Yes) {
      settings.setValue("proxyHost",   _proxyHostLineEdit->text());
      settings.setValue("proxyPort",   _proxyPortLineEdit->text());
    }
  }

  settings.setValue("sslCaCertPath",   _sslCaCertPathLineEdit->text());
  settings.setValue("ignoreSslErrors", _ignoreSslErrorsCheckBox->checkState());

  QMessageBox msgBox;
  msgBox.setIcon(QMessageBox::Question);
  msgBox.setWindowTitle("Add Stream");
  msgBox.setText("Add stream(s) coming from:");

  QPushButton* buttonNtrip  = msgBox.addButton(tr("Caster"), QMessageBox::ActionRole);
  QPushButton* buttonIP     = msgBox.addButton(tr("TCP/IP port"), QMessageBox::ActionRole);
  QPushButton* buttonUDP    = msgBox.addButton(tr("UDP port"), QMessageBox::ActionRole);
  QPushButton* buttonSerial = msgBox.addButton(tr("Serial port"), QMessageBox::ActionRole);
  QPushButton* buttonCancel = msgBox.addButton(tr("Cancel"), QMessageBox::ActionRole);

  msgBox.exec();

  if (msgBox.clickedButton() == buttonNtrip) {
    bncTableDlg* dlg = new bncTableDlg(this);
    dlg->move(this->pos().x()+50, this->pos().y()+50);
    connect(dlg, SIGNAL(newMountPoints(QStringList*)),
          this, SLOT(slotNewMountPoints(QStringList*)));
    dlg->exec();
    delete dlg;
  } else if (msgBox.clickedButton() == buttonIP) {
    bncIpPort* ipp = new bncIpPort(this);
    connect(ipp, SIGNAL(newMountPoints(QStringList*)),
          this, SLOT(slotNewMountPoints(QStringList*)));
    ipp->exec();
    delete ipp;
  } else if (msgBox.clickedButton() == buttonUDP) {
    bncUdpPort* udp = new bncUdpPort(this);
    connect(udp, SIGNAL(newMountPoints(QStringList*)),
          this, SLOT(slotNewMountPoints(QStringList*)));
    udp->exec();
    delete udp;
  } else if (msgBox.clickedButton() == buttonSerial) {
    bncSerialPort* sep = new bncSerialPort(this);
    connect(sep, SIGNAL(newMountPoints(QStringList*)),
          this, SLOT(slotNewMountPoints(QStringList*)));
    sep->exec();
    delete sep;
  } else if (msgBox.clickedButton() == buttonCancel) {
    // Cancel
  }

  enableStartStop();
}

// Delete Selected Mount Points
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotDeleteMountPoints() {

  int nRows = _mountPointsTable->rowCount();
  bool flg[nRows];
  for (int iRow = 0; iRow < nRows; iRow++) {
    if (_mountPointsTable->isItemSelected(_mountPointsTable->item(iRow,1))) {
      flg[iRow] = true;
    }
    else {
      flg[iRow] = false;
    }
  }
  for (int iRow = nRows-1; iRow >= 0; iRow--) {
    if (flg[iRow]) {
      _mountPointsTable->removeRow(iRow);
    }
  }
  _actDeleteMountPoints->setEnabled(false);

  enableStartStop();
}

// New Mount Points Selected
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotNewMountPoints(QStringList* mountPoints) {
  int iRow = 0;
  QListIterator<QString> it(*mountPoints);
  while (it.hasNext()) {
    QStringList hlp = it.next().split(" ");
    QUrl    url(hlp[0]);
    QString fullPath = url.host() + QString(":%1").arg(url.port()) + url.path();
    QString format(hlp[1]); QString latitude(hlp[2]); QString longitude(hlp[3]);
    QString nmea(hlp[4]);
    if (hlp[5] == "S") {
      fullPath = hlp[0].replace(0,2,"");
    }
    QString ntripVersion = "2";
    if (hlp.size() >= 6) {
      ntripVersion = (hlp[5]);
    }

    _mountPointsTable->insertRow(iRow);

    QTableWidgetItem* it;
    it = new QTableWidgetItem(url.userInfo());
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 0, it);

    it = new QTableWidgetItem(fullPath);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 1, it);

    it = new QTableWidgetItem(format);
    _mountPointsTable->setItem(iRow, 2, it);

    if      (nmea == "yes") {
    it = new QTableWidgetItem(latitude);
    _mountPointsTable->setItem(iRow, 3, it);
    it = new QTableWidgetItem(longitude);
    _mountPointsTable->setItem(iRow, 4, it);
    } else {
    it = new QTableWidgetItem(latitude);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 3, it);
    it = new QTableWidgetItem(longitude);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 4, it);
    }

    it = new QTableWidgetItem(nmea);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 5, it);

    it = new QTableWidgetItem(ntripVersion);
    it->setFlags(it->flags() & ~Qt::ItemIsEditable);
    _mountPointsTable->setItem(iRow, 6, it);

    bncTableItem* bncIt = new bncTableItem();
    _mountPointsTable->setItem(iRow, 7, bncIt);

    iRow++;
  }
  _mountPointsTable->hideColumn(0);
  _mountPointsTable->sortItems(1);
  delete mountPoints;

  enableStartStop();
}

// Save Options (serialize)
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotSaveOptions() {
  saveOptions();
  bncSettings settings;
  settings.sync();
}

// Save Options (memory only)
////////////////////////////////////////////////////////////////////////////
void bncWindow::saveOptions() {

  QStringList mountPoints;
  for (int iRow = 0; iRow < _mountPointsTable->rowCount(); iRow++) {

    if (_mountPointsTable->item(iRow, 6)->text() != "S") {
      QUrl url( "//" + _mountPointsTable->item(iRow, 0)->text() + 
                "@"  + _mountPointsTable->item(iRow, 1)->text() );

      mountPoints.append(url.toString() + " " + 
                         _mountPointsTable->item(iRow, 2)->text()
                 + " " + _mountPointsTable->item(iRow, 3)->text()
                 + " " + _mountPointsTable->item(iRow, 4)->text()
                 + " " + _mountPointsTable->item(iRow, 5)->text()
                 + " " + _mountPointsTable->item(iRow, 6)->text());
    } else {
      mountPoints.append( 
                  "//" + _mountPointsTable->item(iRow, 1)->text()
                 + " " + _mountPointsTable->item(iRow, 2)->text()
                 + " " + _mountPointsTable->item(iRow, 3)->text()
                 + " " + _mountPointsTable->item(iRow, 4)->text()
                 + " " + _mountPointsTable->item(iRow, 5)->text()
                 + " " + _mountPointsTable->item(iRow, 6)->text());
    }
  }

  QStringList combineStreams;
  for (int iRow = 0; iRow < _cmbTable->rowCount(); iRow++) {
    QString hlp;
    for (int iCol = 0; iCol < _cmbTable->columnCount(); iCol++) {
      if (_cmbTable->item(iRow, iCol)) {
        hlp += _cmbTable->item(iRow, iCol)->text() + " ";
      }
    }
    if (!hlp.isEmpty()) {
      combineStreams << hlp;
    }
  }

  QStringList uploadMountpointsOut;
  for (int iRow = 0; iRow < _uploadTable->rowCount(); iRow++) {
    QString hlp;
    for (int iCol = 0; iCol < _uploadTable->columnCount(); iCol++) {
      if (_uploadTable->cellWidget(iRow, iCol) && 
          (iCol == 3 || iCol == 4 || iCol == 5)) {
        if      (iCol == 3) {
          QLineEdit* passwd = (QLineEdit*)(_uploadTable->cellWidget(iRow, iCol));
          hlp += passwd->text() + ",";
        }
        else if (iCol == 4) {
          QComboBox* system = (QComboBox*)(_uploadTable->cellWidget(iRow, iCol));
          hlp += system->currentText() + ",";
        }
        else if (iCol == 5) {
          QCheckBox* com    = (QCheckBox*)(_uploadTable->cellWidget(iRow, iCol));
          QString state; state.setNum(com->checkState());
          hlp +=  state + ",";
        }
      }
      else if (_uploadTable->item(iRow, iCol)) {
        hlp += _uploadTable->item(iRow, iCol)->text() + ",";
      }
    }
    if (!hlp.isEmpty()) {
      uploadMountpointsOut << hlp;
    }
  }

  bncSettings settings;

  settings.setValue("startTab",    _aogroup->currentIndex());
  settings.setValue("statusTab",   _loggroup->currentIndex());
  settings.setValue("mountPoints", mountPoints);
// Network 
  settings.setValue("proxyHost",   _proxyHostLineEdit->text());
  settings.setValue("proxyPort",   _proxyPortLineEdit->text());
  settings.setValue("sslCaCertPath",   _sslCaCertPathLineEdit->text());
  settings.setValue("ignoreSslErrors",  _ignoreSslErrorsCheckBox->checkState());
// General
  settings.setValue("logFile",     _logFileLineEdit->text());
  settings.setValue("rnxAppend",   _rnxAppendCheckBox->checkState());
  settings.setValue("onTheFlyInterval", _onTheFlyComboBox->currentText());
  settings.setValue("autoStart",   _autoStartCheckBox->checkState());
  settings.setValue("rawOutFile",  _rawOutFileLineEdit->text());
// RINEX Observations
  settings.setValue("rnxPath",     _rnxPathLineEdit->text());
  settings.setValue("rnxIntr",     _rnxIntrComboBox->currentText());
  settings.setValue("rnxSampl",    _rnxSamplSpinBox->value());
  settings.setValue("rnxSkel",     _rnxSkelLineEdit->text());
  settings.setValue("rnxScript",   _rnxScrpLineEdit->text());
  settings.setValue("rnxV3",       _rnxV3CheckBox->checkState());
  settings.setValue("rnxV2Priority",_rnxV2Priority->text());
// RINEX Ephemeris
  settings.setValue("ephPath",     _ephPathLineEdit->text());
  settings.setValue("ephIntr",     _ephIntrComboBox->currentText());
  settings.setValue("outEphPort",  _outEphPortLineEdit->text());
  settings.setValue("ephV3",       _ephV3CheckBox->checkState());
// Broadcast Corrections
  settings.setValue("corrPath",    _corrPathLineEdit->text());
  settings.setValue("corrIntr",    _corrIntrComboBox->currentText());
  settings.setValue("corrPort",    _corrPortLineEdit->text());
// Feed Engine
  settings.setValue("outPort",     _outPortLineEdit->text());
  settings.setValue("waitTime",    _waitTimeSpinBox->value());
  settings.setValue("binSampl",    _binSamplSpinBox->value());
  settings.setValue("outFile",     _outFileLineEdit->text());
  settings.setValue("outUPort",    _outUPortLineEdit->text());
// Serial Output
  settings.setValue("serialMountPoint",_serialMountPointLineEdit->text());
  settings.setValue("serialPortName",  _serialPortNameLineEdit->text());
  settings.setValue("serialBaudRate",  _serialBaudRateComboBox->currentText());
  settings.setValue("serialFlowControl",_serialFlowControlComboBox->currentText());
  settings.setValue("serialDataBits",  _serialDataBitsComboBox->currentText());
  settings.setValue("serialParity",    _serialParityComboBox->currentText());
  settings.setValue("serialStopBits",  _serialStopBitsComboBox->currentText());
  settings.setValue("serialAutoNMEA",  _serialAutoNMEAComboBox->currentText());
  settings.setValue("serialFileNMEA",    _serialFileNMEALineEdit->text());
  settings.setValue("serialHeightNMEA",  _serialHeightNMEALineEdit->text());
  settings.setValue("serialManualNMEASampling", _serialManualNMEASamplingSpinBox->value());
// Outages
  settings.setValue("obsRate",     _obsRateComboBox->currentText());
  settings.setValue("adviseFail",  _adviseFailSpinBox->value());
  settings.setValue("adviseReco",  _adviseRecoSpinBox->value());
  settings.setValue("adviseScript",_adviseScriptLineEdit->text());
// Miscellaneous 
  settings.setValue("miscMount",   _miscMountLineEdit->text());
  settings.setValue("miscPort",    _miscPortLineEdit->text());
  settings.setValue("perfIntr",    _perfIntrComboBox->currentText());
  settings.setValue("scanRTCM",    _scanRTCMCheckBox->checkState());
// Reqc
  settings.setValue("reqcAction",     _reqcActionComboBox->currentText());
  settings.setValue("reqcObsFile",    _reqcObsFileChooser->fileName());
  settings.setValue("reqcNavFile",    _reqcNavFileChooser->fileName());
  settings.setValue("reqcOutObsFile", _reqcOutObsLineEdit->text());
  settings.setValue("reqcOutNavFile", _reqcOutNavLineEdit->text());
  settings.setValue("reqcOutLogFile", _reqcOutLogLineEdit->text());
  settings.setValue("reqcPlotDir",    _reqcPlotDirLineEdit->text());
  settings.setValue("reqcSkyPlotSignals", _reqcSkyPlotSignals->text());
  settings.setValue("reqcLogSummaryOnly", _reqcLogSummaryOnly->checkState());
// SP3 Comparison
  settings.setValue("sp3CompFile",       _sp3CompFileChooser->fileName());
  settings.setValue("sp3CompExclude",    _sp3CompExclude->text());
  settings.setValue("sp3CompOutLogFile", _sp3CompLogLineEdit->text());
// Combine Corrections
  if (!combineStreams.isEmpty()) {
    settings.setValue("combineStreams", combineStreams);
  }
  else {
    settings.setValue("combineStreams", "");
  }
  settings.setValue("cmbMethod",     _cmbMethodComboBox->currentText());
  settings.setValue("cmbMaxres",     _cmbMaxresLineEdit->text());
  settings.setValue("cmbSampl",      _cmbSamplSpinBox->value());
  settings.setValue("cmbUseGlonass", _cmbUseGlonass->checkState());
// Upload Corrections
  if (!uploadMountpointsOut.isEmpty()) {
    settings.setValue("uploadMountpointsOut", uploadMountpointsOut);
  }
  else {
    settings.setValue("uploadMountpointsOut", "");
  }
  settings.setValue("uploadIntr",             _uploadIntrComboBox->currentText());
  settings.setValue("uploadSamplRtcmEphCorr", _uploadSamplRtcmEphCorrSpinBox->value());
  settings.setValue("uploadSamplSp3",         _uploadSamplSp3SpinBox->value());
  settings.setValue("uploadSamplClkRnx",      _uploadSamplClkRnxSpinBox->value());
  settings.setValue("uploadAntexFile",        _uploadAntexFile->fileName());
// Upload Ephemeris
  settings.setValue("uploadEphHost",      _uploadEphHostLineEdit->text());
  settings.setValue("uploadEphPort",      _uploadEphPortLineEdit->text());
  settings.setValue("uploadEphMountpoint",_uploadEphMountpointLineEdit->text());
  settings.setValue("uploadEphPassword",  _uploadEphPasswordLineEdit->text());
  settings.setValue("uploadEphSample",    _uploadEphSampleSpinBox->value());

  if (_caster) {
    _caster->readMountPoints();
  }

  _pppWidgets.saveOptions();
}

// All get slots terminated
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotGetThreadsFinished() {
  BNC_CORE->slotMessage("All Get Threads Terminated", true);
  delete _caster;    _caster    = 0; BNC_CORE->setCaster(0);
  delete _casterEph; _casterEph = 0;
  _runningRealTime = false;
}

// Start It!
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotStart() {
  saveOptions();
  if      ( _pppWidgets._dataSource->currentText() == "RINEX Files") {
    _runningPPP = true;
    enableStartStop();
    _caster = new bncCaster(); BNC_CORE->setCaster(_caster);
    BNC_CORE->startPPP();
  }
  else if ( !_reqcActionComboBox->currentText().isEmpty() ) {
    if (_reqcActionComboBox->currentText() == "Analyze") {
      _runningQC = true;
      t_reqcAnalyze* reqcAnalyze = new t_reqcAnalyze(this);
      connect(reqcAnalyze, SIGNAL(finished()), this, SLOT(slotPostProcessingFinished()));
      reqcAnalyze->start();
    }
    else {
      _runningEdit = true;
      t_reqcEdit* reqcEdit = new t_reqcEdit(this);
      connect(reqcEdit, SIGNAL(finished()), this, SLOT(slotPostProcessingFinished()));
      reqcEdit->start();
    }
    enableStartStop();
  }
  else if (!_sp3CompFileChooser->fileName().isEmpty()) {
    _runningSp3Comp = true;
    t_sp3Comp* sp3Comp = new t_sp3Comp(this);
    connect(sp3Comp, SIGNAL(finished()), this, SLOT(slotPostProcessingFinished()));
    sp3Comp->start();
    enableStartStop();
  }
  else {
    startRealTime();
    BNC_CORE->startPPP();
  }
}

// Start Real-Time (Retrieve Data etc.)
////////////////////////////////////////////////////////////////////////////
void bncWindow::startRealTime() {

  _runningRealTime = true;

  _bncFigurePPP->reset();

  _actDeleteMountPoints->setEnabled(false);

  enableStartStop();

  _caster = new bncCaster();

  BNC_CORE->setCaster(_caster);
  BNC_CORE->setPortEph(_outEphPortLineEdit->text().toInt());
  BNC_CORE->setPortCorr(_corrPortLineEdit->text().toInt());
  BNC_CORE->initCombination();

  connect(_caster, SIGNAL(getThreadsFinished()), 
          this, SLOT(slotGetThreadsFinished()));

  connect (_caster, SIGNAL(mountPointsRead(QList<bncGetThread*>)), 
           this, SLOT(slotMountPointsRead(QList<bncGetThread*>)));

  BNC_CORE->slotMessage("========== Start BNC v" BNCVERSION " ("BNC_OS") ==========", true);

  bncSettings settings;

  // Active panels
  // -------------
  if (!_rnxPathLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'RINEX Observations' active", true);
  if (!_ephPathLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'RINEX Ephemeris' active", true);
  if (!_corrPathLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'Broadcast Corrections' active", true);
  if (!_outPortLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'Feed Engine' active", true);
  if (!_serialMountPointLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'Serial Output' active", true);
  if (!_obsRateComboBox->currentText().isEmpty())
      BNC_CORE->slotMessage("Panel 'Outages' active", true);
  if (!_miscMountLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'Miscellaneous' active", true);
  if (_pppWidgets._dataSource->currentText() == "Real-Time Streams")
      BNC_CORE->slotMessage("Panel 'PPP' active", true);
  if (_cmbTable->rowCount() > 0) 
      BNC_CORE->slotMessage("Panel 'Combine Corrections' active", true);
  if (_uploadTable->rowCount() > 0) 
      BNC_CORE->slotMessage("Panel 'Upload Corrections' active", true);
  if (!_uploadEphHostLineEdit->text().isEmpty())
      BNC_CORE->slotMessage("Panel 'UploadEphemeris' active", true);

  QDir rnxdir(settings.value("rnxPath").toString());
  if (!rnxdir.exists()) BNC_CORE->slotMessage("Cannot find RINEX Observations directory", true);

  QString rnx_file = settings.value("rnxScript").toString();
  if ( !rnx_file.isEmpty() ) {
    QFile rnxfile(settings.value("rnxScript").toString());
    if (!rnxfile.exists()) BNC_CORE->slotMessage("Cannot find RINEX Observations script", true);
  }

  QDir ephdir(settings.value("ephPath").toString());
  if (!ephdir.exists()) BNC_CORE->slotMessage("Cannot find RINEX Ephemeris directory", true);

  QDir corrdir(settings.value("corrPath").toString());
  if (!corrdir.exists()) BNC_CORE->slotMessage("Cannot find Broadcast Corrections directory", true);

  QString advise_file = settings.value("adviseScript").toString();
  if ( !advise_file.isEmpty() ) {
    QFile advisefile(settings.value("adviseScript").toString());
    if (!advisefile.exists()) BNC_CORE->slotMessage("Cannot find Outages script", true);
  }

  _caster->readMountPoints();

  _casterEph = new bncEphUploadCaster();
  connect(_casterEph, SIGNAL(newBytes(QByteArray,double)), 
          _uploadEphBytesCounter, SLOT(slotNewBytes(QByteArray,double)));
}

// Retrieve Data
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotStop() {
  int iRet = QMessageBox::question(this, "Stop", "Stop retrieving/processing data?", 
                                   QMessageBox::Yes, QMessageBox::No,
                                   QMessageBox::NoButton);
  if (iRet == QMessageBox::Yes) {
    BNC_CORE->stopPPP();
    BNC_CORE->stopCombination();
    delete _caster;    _caster    = 0; BNC_CORE->setCaster(0);
    delete _casterEph; _casterEph = 0;
    _runningRealTime = false;
    _runningPPP      = false;
    enableStartStop();
  }
}

// Close Application gracefully
////////////////////////////////////////////////////////////////////////////
void bncWindow::closeEvent(QCloseEvent* event) {

  int iRet = QMessageBox::question(this, "Close", "Save Options?", 
                                   QMessageBox::Yes, QMessageBox::No,
                                   QMessageBox::Cancel);

  if      (iRet == QMessageBox::Cancel) {
    event->ignore();
    return;
  }
  else if (iRet == QMessageBox::Yes) {
    slotSaveOptions();
  }

  BNC_CORE->stopPPP();

  QMainWindow::closeEvent(event);
}

// User changed the selection of mountPoints
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotSelectionChanged() {
  if (_mountPointsTable->selectedItems().isEmpty()) {
    _actDeleteMountPoints->setEnabled(false);
  }
  else {
    _actDeleteMountPoints->setEnabled(true);
  }
}

// Display Program Messages 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotWindowMessage(const QByteArray msg, bool showOnScreen) {
  if (showOnScreen ) {
    _log->append(QDateTime::currentDateTime().toUTC().toString("yy-MM-dd hh:mm:ss ") + msg);
  }
}  

// About Message
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotAbout() {
 new bncAboutDlg(0);
}

//Flowchart
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotFlowchart() {
 new bncFlowchartDlg(0);
}

// Help Window
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotHelp() {
  QUrl url; 
  url.setPath(":bnchelp.html");
  new bncHlpDlg(0, url);
}

// Select Fonts
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotFontSel() {
  bool ok;
  QFont newFont = QFontDialog::getFont(&ok, this->font(), this); 
  if (ok) {
    bncSettings settings;
    settings.setValue("font", newFont.toString());
    QApplication::setFont(newFont);
    int ww = QFontMetrics(newFont).width('w');
    setMinimumSize(60*ww, 80*ww);
    resize(60*ww, 80*ww);
  }
}

// Whats This Help
void bncWindow::slotWhatsThis() {
  QWhatsThis::enterWhatsThisMode();
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotMountPointsRead(QList<bncGetThread*> threads) {
  _threads = threads;

  _bncFigure->updateMountPoints();
  _bncFigureLate->updateMountPoints();

  populateMountPointsTable();
  bncSettings settings;
  _binSamplSpinBox->setValue(settings.value("binSampl").toInt());
  _waitTimeSpinBox->setValue(settings.value("waitTime").toInt());
  QListIterator<bncGetThread*> iTh(threads);
  while (iTh.hasNext()) {
    bncGetThread* thread = iTh.next();
    for (int iRow = 0; iRow < _mountPointsTable->rowCount(); iRow++) {
      QUrl url( "//" + _mountPointsTable->item(iRow, 0)->text() + 
                "@"  + _mountPointsTable->item(iRow, 1)->text() );
      if (url                                      == thread->mountPoint() &&
          _mountPointsTable->item(iRow, 3)->text() == thread->latitude()   &&
          _mountPointsTable->item(iRow, 4)->text() == thread->longitude() ) {
        ((bncTableItem*) _mountPointsTable->item(iRow, 7))->setGetThread(thread);
        disconnect(thread, SIGNAL(newBytes(QByteArray, double)),
                  _bncFigure, SLOT(slotNewData(QByteArray, double)));
        connect(thread, SIGNAL(newBytes(QByteArray, double)),
                _bncFigure, SLOT(slotNewData(QByteArray, double)));
        disconnect(thread, SIGNAL(newLatency(QByteArray, double)),
                   _bncFigureLate, SLOT(slotNewLatency(QByteArray, double)));
        connect(thread, SIGNAL(newLatency(QByteArray, double)),
                _bncFigureLate, SLOT(slotNewLatency(QByteArray, double)));
        break;
      }
    }
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::CreateMenu() {
  // Create Menus
  // ------------
  _menuFile = menuBar()->addMenu(tr("&File"));
  _menuFile->addAction(_actFontSel);
  _menuFile->addSeparator();
  _menuFile->addAction(_actSaveOpt);
  _menuFile->addSeparator();
  _menuFile->addAction(_actQuit);

  _menuHlp = menuBar()->addMenu(tr("&Help"));
  _menuHlp->addAction(_actHelp);
  _menuHlp->addAction(_actFlowchart);
  _menuHlp->addAction(_actAbout);
}

// Toolbar
////////////////////////////////////////////////////////////////////////////
void bncWindow::AddToolbar() {
  QToolBar* toolBar = new QToolBar;
  addToolBar(Qt::BottomToolBarArea, toolBar); 
  toolBar->setMovable(false);
  toolBar->addAction(_actAddMountPoints);
  toolBar->addAction(_actDeleteMountPoints);
  toolBar->addAction(_actMapMountPoints);
  toolBar->addAction(_actStart);
  toolBar->addAction(_actStop);
  toolBar->addWidget(new QLabel("                                           "));
  toolBar->addAction(_actwhatsthis);
} 

// About
////////////////////////////////////////////////////////////////////////////
bncAboutDlg::bncAboutDlg(QWidget* parent) : 
   QDialog(parent) {

  QTextBrowser* tb = new QTextBrowser;
  QUrl url; url.setPath(":bncabout.html");
  tb->setSource(url);
  tb->setReadOnly(true);

  int ww = QFontMetrics(font()).width('w');
  QPushButton* _closeButton = new QPushButton("Close");
  _closeButton->setMaximumWidth(10*ww);
  connect(_closeButton, SIGNAL(clicked()), this, SLOT(close()));

  QGridLayout* dlgLayout = new QGridLayout();
  QLabel* img = new QLabel();
  img->setPixmap(QPixmap(":ntrip-logo.png"));
  dlgLayout->addWidget(img, 0,0);
  dlgLayout->addWidget(new QLabel("BKG Ntrip Client (BNC) Version "BNCVERSION), 0,1);
  dlgLayout->addWidget(tb,1,0,1,2);
  dlgLayout->addWidget(_closeButton,2,1,Qt::AlignRight);  

  setLayout(dlgLayout);
  resize(60*ww, 60*ww);
  setWindowTitle("About BNC");
  show();
}

// 
////////////////////////////////////////////////////////////////////////////
bncAboutDlg::~bncAboutDlg() {
}; 

// Flowchart 
////////////////////////////////////////////////////////////////////////////
bncFlowchartDlg::bncFlowchartDlg(QWidget* parent) :
   QDialog(parent) {

  int ww = QFontMetrics(font()).width('w');
  QPushButton* _closeButton = new QPushButton("Close");
  _closeButton->setMaximumWidth(10*ww);
  connect(_closeButton, SIGNAL(clicked()), this, SLOT(close()));

  QGridLayout* dlgLayout = new QGridLayout();
  QLabel* img = new QLabel();
  img->setPixmap(QPixmap(":bncflowchart.png"));
  dlgLayout->addWidget(img, 0,0);
  dlgLayout->addWidget(_closeButton,1,0,Qt::AlignLeft);

  setLayout(dlgLayout);
  setWindowTitle("Flow Chart");
  show();
}

// 
////////////////////////////////////////////////////////////////////////////
bncFlowchartDlg::~bncFlowchartDlg() {
};

// Enable/Disable Widget (and change its color)
////////////////////////////////////////////////////////////////////////////
void bncWindow::enableWidget(bool enable, QWidget* widget) {

  const static QPalette paletteWhite(QColor(255, 255, 255));
  const static QPalette paletteGray(QColor(230, 230, 230));

  widget->setEnabled(enable);
  if (enable) {
    widget->setPalette(paletteWhite);
  }
  else {
    widget->setPalette(paletteGray);
  }
}

//  Bnc Text
//////////////////////////////////////////////////////////////////////////// 
void bncWindow::slotBncTextChanged(){

  const static QPalette paletteWhite(QColor(255, 255, 255));
  const static QPalette paletteGray(QColor(230, 230, 230));

  bool enable = true;

  // Proxy
  //------
  if (sender() == 0 || sender() == _proxyHostLineEdit) {
    enable = !_proxyHostLineEdit->text().isEmpty();
    enableWidget(enable, _proxyPortLineEdit);
  }

  // RINEX Observations
  // ------------------
  if (sender() == 0 || sender() == _rnxPathLineEdit) {
    enable = !_rnxPathLineEdit->text().isEmpty();
    enableWidget(enable, _rnxIntrComboBox);
    enableWidget(enable, _rnxSamplSpinBox);
    enableWidget(enable, _rnxSkelLineEdit);
    enableWidget(enable, _rnxScrpLineEdit);
    enableWidget(enable, _rnxV2Priority);
    enableWidget(enable, _rnxV3CheckBox);

    bool enable1 = true;
    enable1 = _rnxV3CheckBox->isChecked();
    if (enable && enable1) {
    enableWidget(false, _rnxV2Priority);
    }
    if (enable && !enable1) {
    enableWidget(true, _rnxV2Priority);
    }
  }

  // RINEX Observations, Signal Priority
  // -----------------------------------
  if (sender() == 0 || sender() == _rnxV3CheckBox) {
    if (!_rnxPathLineEdit->text().isEmpty()) {
      enableWidget(enable, _rnxIntrComboBox);
      enable = !_rnxV3CheckBox->isChecked();
      enableWidget(enable, _rnxV2Priority);
    }
  }

  // RINEX Ephemeris
  // ---------------
  if (sender() == 0 || sender() == _ephPathLineEdit || sender() == _outEphPortLineEdit) {
    enable = !_ephPathLineEdit->text().isEmpty() || !_outEphPortLineEdit->text().isEmpty();
    enableWidget(enable, _ephIntrComboBox);
    enableWidget(enable, _ephV3CheckBox);
  }

  // Broadcast Corrections
  // ---------------------
  if (sender() == 0 || sender() == _corrPathLineEdit || sender() == _corrPortLineEdit) {
    enable = !_corrPathLineEdit->text().isEmpty() || !_corrPortLineEdit->text().isEmpty();
    enableWidget(enable, _corrIntrComboBox); 
  }

  // Feed Engine
  // -----------
  if (sender() == 0 || sender() == _outPortLineEdit || sender() == _outFileLineEdit) {
    enable = !_outPortLineEdit->text().isEmpty() || !_outFileLineEdit->text().isEmpty();
    enableWidget(enable, _waitTimeSpinBox);
    enableWidget(enable, _binSamplSpinBox);
  }

  // Serial Output
  // -------------
  if (sender() == 0 || sender() == _serialMountPointLineEdit || 
      sender() == _serialAutoNMEAComboBox) {
    enable = !_serialMountPointLineEdit->text().isEmpty();
    enableWidget(enable, _serialPortNameLineEdit);
    enableWidget(enable, _serialBaudRateComboBox);
    enableWidget(enable, _serialParityComboBox);
    enableWidget(enable, _serialDataBitsComboBox);
    enableWidget(enable, _serialStopBitsComboBox);
    enableWidget(enable, _serialFlowControlComboBox);
    enableWidget(enable, _serialAutoNMEAComboBox);
    bool enable2 = enable && _serialAutoNMEAComboBox->currentText() == "Auto";
    enableWidget(enable2, _serialFileNMEALineEdit);
    bool enable3 = enable && _serialAutoNMEAComboBox->currentText().contains("Manual");
    enableWidget(enable3, _serialHeightNMEALineEdit);
    enableWidget(enable3, _serialManualNMEASamplingSpinBox);
  }

  // Outages
  // -------
  if (sender() == 0 || sender() == _obsRateComboBox) {
    enable = !_obsRateComboBox->currentText().isEmpty();
    enableWidget(enable, _adviseFailSpinBox);
    enableWidget(enable, _adviseRecoSpinBox);
    enableWidget(enable, _adviseScriptLineEdit);
  }

  // Miscellaneous
  // -------------
  if (sender() == 0 || sender() == _miscMountLineEdit) {
    enable = !_miscMountLineEdit->text().isEmpty();
    enableWidget(enable, _perfIntrComboBox);
    enableWidget(enable, _scanRTCMCheckBox);
    enableWidget(enable, _miscPortLineEdit);
  }

  // Enable/disable Broadcast Ephemerides
  // ------------------------------------
  if (sender() == 0 || sender() == _uploadEphHostLineEdit) {
    if (!_uploadEphHostLineEdit->text().isEmpty()) {
      enableWidget(enable, _uploadEphPortLineEdit);
      enableWidget(enable, _uploadEphMountpointLineEdit);
      enableWidget(enable, _uploadEphPasswordLineEdit);
      enableWidget(enable, _uploadEphSampleSpinBox);
    } 
    else {
      enableWidget(false, _uploadEphPortLineEdit);
      enableWidget(false, _uploadEphMountpointLineEdit);
      enableWidget(false, _uploadEphPasswordLineEdit);
      enableWidget(false, _uploadEphSampleSpinBox);
    }
  }

  // Combine Corrections
  // -------------------
  if (sender() == 0 || sender() == _cmbTable) {
    int iRow = _cmbTable->rowCount();
    if (iRow > 0) {
      enableWidget(true, _cmbMethodComboBox);
      enableWidget(true, _cmbMaxresLineEdit);
      enableWidget(true, _cmbSamplSpinBox);
      enableWidget(true, _cmbUseGlonass);
    } 
    else {
      enableWidget(false, _cmbMethodComboBox);
      enableWidget(false, _cmbMaxresLineEdit);
      enableWidget(false, _cmbSamplSpinBox);
      enableWidget(false, _cmbUseGlonass);
    }
  }

  // Upload(clk)
  // -----------
  int iRow = _uploadTable->rowCount();
  if (iRow > 0) {
    enableWidget(true, _uploadIntrComboBox);
    enableWidget(true, _uploadSamplRtcmEphCorrSpinBox);
    enableWidget(true, _uploadSamplClkRnxSpinBox);
    enableWidget(true, _uploadSamplSp3SpinBox);
    enableWidget(true, _uploadAntexFile);
  } 
  else {
    enableWidget(false, _uploadIntrComboBox);
    enableWidget(false, _uploadSamplRtcmEphCorrSpinBox);
    enableWidget(false, _uploadSamplClkRnxSpinBox);
    enableWidget(false, _uploadSamplSp3SpinBox);
    enableWidget(false, _uploadAntexFile);
  }

  // QC
  // --
  if (sender() == 0 || sender() == _reqcActionComboBox || sender() == _reqcSkyPlotSignals) {
    enable = !_reqcActionComboBox->currentText().isEmpty();
    bool enable10   = _reqcActionComboBox->currentText() == "Edit/Concatenate";
//  bool enablePlot = !_reqcSkyPlotSignals->text().isEmpty();
    enableWidget(enable,                            _reqcObsFileChooser);
    enableWidget(enable,                            _reqcNavFileChooser);
    enableWidget(enable,                            _reqcOutLogLineEdit);
    enableWidget(enable &&  enable10,               _reqcEditOptionButton);
    enableWidget(enable &&  enable10,               _reqcOutObsLineEdit);
    enableWidget(enable &&  enable10,               _reqcOutNavLineEdit);
    enableWidget(enable && !enable10,               _reqcLogSummaryOnly);
    enableWidget(enable && !enable10,               _reqcSkyPlotSignals);
//  enableWidget(enable && !enable10 && enablePlot, _reqcPlotDirLineEdit);
    enableWidget(enable && !enable10,               _reqcPlotDirLineEdit);
  }

  // SP3 File Comparison
  // -------------------
  if (sender() == 0 || sender() == _sp3CompFileChooser) {
    enable = !_sp3CompFileChooser->fileName().isEmpty();
    enableWidget(enable, _sp3CompLogLineEdit);
    enableWidget(enable, _sp3CompExclude);
  }

  enableStartStop();
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotAddCmbRow() {
  int iRow = _cmbTable->rowCount();
  _cmbTable->insertRow(iRow);
  for (int iCol = 0; iCol < _cmbTable->columnCount(); iCol++) {
    _cmbTable->setItem(iRow, iCol, new QTableWidgetItem(""));
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotDelCmbRow() {

  const static QPalette paletteWhite(QColor(255, 255, 255));
  const static QPalette paletteGray(QColor(230, 230, 230));

  int nRows = _cmbTable->rowCount();
  bool flg[nRows];
  for (int iRow = 0; iRow < nRows; iRow++) {
    if (_cmbTable->isItemSelected(_cmbTable->item(iRow,1))) {
      flg[iRow] = true;
    }
    else {
      flg[iRow] = false;
    }
  }
  for (int iRow = nRows-1; iRow >= 0; iRow--) {
    if (flg[iRow]) {
      _cmbTable->removeRow(iRow);
    }
  }
  nRows = _cmbTable->rowCount();
  if (nRows < 1) {
    enableWidget(false, _cmbMethodComboBox);
    enableWidget(false, _cmbMaxresLineEdit);
    enableWidget(false, _cmbSamplSpinBox);
    enableWidget(false, _cmbUseGlonass);
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::populateCmbTable() {

  for (int iRow = _cmbTable->rowCount()-1; iRow >=0; iRow--) {
    _cmbTable->removeRow(iRow);
  }

  bncSettings settings;

  int iRow = -1;
  QListIterator<QString> it(settings.value("combineStreams").toStringList());
  while (it.hasNext()) {
    QStringList hlp = it.next().split(" ");
    if (hlp.size() > 2) {
      ++iRow;
      _cmbTable->insertRow(iRow);
    }
    for (int iCol = 0; iCol < hlp.size(); iCol++) {
      _cmbTable->setItem(iRow, iCol, new QTableWidgetItem(hlp[iCol]));
    }
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotAddUploadRow() {
  int iRow = _uploadTable->rowCount();
  _uploadTable->insertRow(iRow);
  for (int iCol = 0; iCol < _uploadTable->columnCount(); iCol++) {
    if      (iCol == 3) {
      QLineEdit* passwd = new QLineEdit();
      passwd->setFrame(false);
      passwd->setEchoMode(QLineEdit::PasswordEchoOnEdit);
      _uploadTable->setCellWidget(iRow, iCol, passwd);
    }
    else if (iCol == 4) {
      QComboBox* system = new QComboBox();
      system->setEditable(false);
      system->addItems(QString(",IGS08,ETRF2000,NAD83,GDA94,SIRGAS95,SIRGAS2000,DREF91,Custom").split(","));
      system->setFrame(false);
      _uploadTable->setCellWidget(iRow, iCol, system);
    }
    else if (iCol == 5) {
      QCheckBox* com = new QCheckBox();
      _uploadTable->setCellWidget(iRow, iCol, com);
    }
    else if (iCol == 11) {
      bncTableItem* bncIt = new bncTableItem();
      bncIt->setFlags(bncIt->flags() & ~Qt::ItemIsEditable);
      _uploadTable->setItem(iRow, iCol, bncIt);
      BNC_CORE->_uploadTableItems[iRow] = bncIt;
    }
    else {
      _uploadTable->setItem(iRow, iCol, new QTableWidgetItem(""));
    }
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotDelUploadRow() {
  BNC_CORE->_uploadTableItems.clear();
  int nRows = _uploadTable->rowCount();
  bool flg[nRows];
  for (int iRow = 0; iRow < nRows; iRow++) {
    if (_uploadTable->isItemSelected(_uploadTable->item(iRow,1))) {
      flg[iRow] = true;
    }
    else {
      flg[iRow] = false;
    }
  }
  for (int iRow = nRows-1; iRow >= 0; iRow--) {
    if (flg[iRow]) {
      _uploadTable->removeRow(iRow);
    }
  }
  for (int iRow = 0; iRow < _uploadTable->rowCount(); iRow++) {
    BNC_CORE->_uploadTableItems[iRow] = 
                                (bncTableItem*) _uploadTable->item(iRow, 11);
  }
  nRows = _uploadTable->rowCount();
  if (nRows < 1) {
    enableWidget(false, _uploadIntrComboBox);
    enableWidget(false, _uploadSamplRtcmEphCorrSpinBox);
    enableWidget(false, _uploadSamplSp3SpinBox);
    enableWidget(false, _uploadSamplClkRnxSpinBox);
    enableWidget(false, _uploadAntexFile);
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::populateUploadTable() {
  for (int iRow = _uploadTable->rowCount()-1; iRow >=0; iRow--) {
    _uploadTable->removeRow(iRow);
  }

  bncSettings settings;

  int iRow = -1;
  QListIterator<QString> it(settings.value("uploadMountpointsOut").toStringList());
  while (it.hasNext()) {
    QStringList hlp = it.next().split(",");
    if (hlp.size() > 6) {
      ++iRow;
      _uploadTable->insertRow(iRow);
    }
    for (int iCol = 0; iCol < hlp.size(); iCol++) {
      if      (iCol == 3) {
        QLineEdit* passwd = new QLineEdit();
        passwd->setFrame(false);
        passwd->setEchoMode(QLineEdit::PasswordEchoOnEdit);
        passwd->setText(hlp[iCol]);
        _uploadTable->setCellWidget(iRow, iCol, passwd);
      }
      else if (iCol == 4) {
        QComboBox* system = new QComboBox();
        system->setEditable(false);
        system->addItems(QString(",IGS08,ETRF2000,NAD83,GDA94,SIRGAS95,SIRGAS2000,DREF91,Custom").split(","));
        system->setFrame(false);
        system->setCurrentIndex(system->findText(hlp[iCol]));
        _uploadTable->setCellWidget(iRow, iCol, system);
      }
      else if (iCol == 5) {
        QCheckBox* com = new QCheckBox();
        if (hlp[iCol].toInt() == Qt::Checked) {
          com->setCheckState(Qt::Checked);
        }
        _uploadTable->setCellWidget(iRow, iCol, com);
      }
      else if (iCol == 11) {
        bncTableItem* bncIt = new bncTableItem();
        bncIt->setFlags(bncIt->flags() & ~Qt::ItemIsEditable);
        _uploadTable->setItem(iRow, iCol, bncIt);
        BNC_CORE->_uploadTableItems[iRow] = bncIt;
      }
      else {
        _uploadTable->setItem(iRow, iCol, new QTableWidgetItem(hlp[iCol]));
      }
    }
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotSetUploadTrafo() {
  bncCustomTrafo* dlg = new bncCustomTrafo(this);
  dlg->exec();
  delete dlg;
}

// Progress Bar Change
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotPostProcessingProgress(int nEpo) {
  _actStart->setText(QString("%1 Epochs").arg(nEpo));
}

// Post-Processing Reqc Finished
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotPostProcessingFinished() {
  delete _caster; _caster = 0; BNC_CORE->setCaster(0);
  _runningPPP     = false;
  _runningEdit    = false;
  _runningQC      = false;
  _runningSp3Comp = false;
  _actStart->setText(tr("Sta&rt"));
  enableStartStop();
}

// Edit teqc-like editing options
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotReqcEditOption() {
  saveOptions();
  reqcDlg* dlg = new reqcDlg(this);
  dlg->move(this->pos().x()+50, this->pos().y()+50);
  dlg->exec();
  delete dlg;
}

// Enable/Disable Start and Stop Buttons
////////////////////////////////////////////////////////////////////////////
void bncWindow::enableStartStop() {
  if ( running() ) {
    _actStart->setEnabled(false);
    if (_runningRealTime || _runningPPP) {
      _actStop->setEnabled(true);
    }
  }
  else {
    _actStart->setEnabled(true);
    _actStop->setEnabled(false);
  }
}

// Show Map
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotMapMountPoints() {
  saveOptions();
  t_bncMap* bncMap = new t_bncMap(this);
  bncMap->setMinimumSize(800, 600);
  bncMap->setWindowTitle("Selected Mountpoints");

  bncSettings settings;
  QListIterator<QString> it(settings.value("mountPoints").toStringList());
  while (it.hasNext()) {
    QStringList hlp = it.next().split(" ");
    if (hlp.size() < 5) continue;
    QUrl   url(hlp[0]);
    double latDeg = hlp[2].toDouble();
    double lonDeg = hlp[3].toDouble();
    bncMap->slotNewPoint(QFileInfo(url.path()).fileName(), latDeg, lonDeg);
  }

  bncMap->show();
}

// Show Map
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotMapPPP() {
#ifdef QT_WEBKIT
  saveOptions();
  enableWidget(false, _pppWidgets._mapWinButton);
  enableWidget(false, _pppWidgets._useGoogleMap);
  enableWidget(false, _pppWidgets._useOpenStreetMap);
  enableWidget(false, _pppWidgets._mapWinDotSize);
  enableWidget(false, _pppWidgets._mapWinDotColor);

  if (!_mapWin) {
    _mapWin = new bncMapWin(this);
    connect(_mapWin, SIGNAL(mapClosed()), this, SLOT(slotMapPPPClosed()));
    connect(BNC_CORE, SIGNAL(newPosition(QByteArray, bncTime, QVector<double>)),
            _mapWin, SLOT(slotNewPosition(QByteArray, bncTime, QVector<double>)));
  }
  _mapWin->show();
#else
  QMessageBox::information(this, "Information",
                           "Qt Library compiled without QtWebKit");
#endif
}

// Show Map
////////////////////////////////////////////////////////////////////////////
void bncWindow::slotMapPPPClosed() {
#ifdef QT_WEBKIT
  enableWidget(true, _pppWidgets._mapWinButton);
  enableWidget(true, _pppWidgets._useGoogleMap);
  enableWidget(true, _pppWidgets._useOpenStreetMap);
  enableWidget(true, _pppWidgets._mapWinDotSize);
  enableWidget(true, _pppWidgets._mapWinDotColor);
  if (_mapWin) {
    QListIterator<bncGetThread*> it(_threads);
    while (it.hasNext()) {
      bncGetThread* thread = it.next();
      thread->disconnect(_mapWin);
    }
    _mapWin->deleteLater();
    _mapWin = 0;
  }
#endif
}