diff --git a/connections/gvretserial.cpp b/connections/gvretserial.cpp
index c307b44..d6a122c 100644
--- a/connections/gvretserial.cpp
+++ b/connections/gvretserial.cpp
@@ -485,6 +485,7 @@ void GVRetSerial::serialError(QSerialPort::SerialPortError err)
         killConnection = true;
         piStop();
         break;
+#if QT_VERSION <= QT_VERSION_CHECK( 6, 0, 0 )
     case QSerialPort::ParityError:
         errMessage = "Parity error on serial port";
         break;
@@ -494,6 +495,7 @@ void GVRetSerial::serialError(QSerialPort::SerialPortError err)
     case QSerialPort::BreakConditionError:
         errMessage = "Break error on serial port";
         break;
+#endif
     case QSerialPort::WriteError:
         errMessage = "Write error on serial port";
         piStop();
diff --git a/connections/socketcand.cpp b/connections/socketcand.cpp
index 20f2ae8..8a6e5da 100644
--- a/connections/socketcand.cpp
+++ b/connections/socketcand.cpp
@@ -32,6 +32,7 @@ SocketCANd::SocketCANd(QString portName) :
     for (int i = 0; i < mNumBuses; i++)
     {
         rx_state.append(IDLE);
+        unprocessedData.append("");
     }
 
 }
@@ -249,75 +250,89 @@ void SocketCANd::switchToRawMode(int busNum)
     QCoreApplication::processEvents();
 }
 
-void SocketCANd::decodeFrames(QString data, int busNum)
+QString SocketCANd::decodeFrames(QString data, int busNum)
 {
-    if (data.indexOf("< frame ") == -1)
+    if (data.indexOf("<") == -1)
+        return "";
+    else if(data.length() >= 8 && data.indexOf("< frame ") == -1)
+        return "";
+
+    int firstIndex = data.indexOf("< frame ");
+    if(firstIndex > 0)
     {
-        qDebug() << "Received datagramm doesn't contain any frame: " << data;
-        return;
+        QString framePartial = data.left(firstIndex);
+        qDebug() << "Received datagramm that starts with fragment (missing '< frame'), this should only occur on startup, removing...: " << framePartial;
     }
-    else
+    QString framePart = data.mid(firstIndex); //remove starting beginning of payload if not < frame >
+    const QString frameStrConst = framePart.left(framePart.indexOf(">")+1);
+    QString frameStr = frameStrConst;
+    QStringList frameParsed = (frameStr.remove(QRegExp("^<")).remove(QRegExp(">$"))).simplified().split(' ');
+
+    if(frameParsed.length() < 3)
     {
-        QString framePart = data.mid(data.indexOf("< frame "), data.length()); //remove starting beginning of payload if not < frame >
-        const QString frameStrConst = framePart.left(framePart.indexOf(">")+1);
-        QString frameStr = frameStrConst;
-        QStringList frameParsed = (frameStr.remove(QRegExp("^<")).remove(QRegExp(">$"))).simplified().split(' ');
+        //qDebug() << "Received datagramm is an incomplete frame: " << data;
 
-        if(frameParsed.length() < 2)
-        {
-            qDebug() << "Received datagramm is an incomplete frame: " << data;
-            return;
-        }
+        //ok great, need to leave it in the buffer in case it can be combined with what comes next
+        //but if there was a fragment that did not have a starting token then we don't want it so only return
+        //known good data...again this should only happen on startup, but just in case we need to remove it
+        //so the data buffer doesn't grow uncontrolled.
+        return framePart;
+    }
 
-        buildFrame.setFrameId(frameParsed[1].toUInt(nullptr, 16));
-        buildFrame.bus = busNum;
+    buildFrame.setFrameId(frameParsed[1].toUInt(nullptr, 16));
+    buildFrame.bus = busNum;
 
-        if (buildFrame.frameId() > 0x7FF) buildFrame.setExtendedFrameFormat(true);
-        else buildFrame.setExtendedFrameFormat(false);
+    if (buildFrame.frameId() > 0x7FF) buildFrame.setExtendedFrameFormat(true);
+    else buildFrame.setExtendedFrameFormat(false);
 
-        buildFrame.setTimeStamp(QCanBusFrame::TimeStamp(0, frameParsed[2].toDouble() * 1000000l));
-        //buildFrame.len =  frameParsed[3].length() * 0.5;
+    buildFrame.setTimeStamp(QCanBusFrame::TimeStamp(0, frameParsed[2].toDouble() * 1000000l));
+    //buildFrame.len =  frameParsed[3].length() * 0.5;
 
-        if(frameParsed.length() < 4)
-        {
-            qDebug() << "Received frame doesn't contain any data: " << data;
-            return;
-        }
+    if(frameParsed.length() < 4)
+    {
+        qDebug() << "Received frame doesn't contain any data: " << data;
+        return data;
+    }
 
-        int framelength = frameParsed[3].length() * 0.5;
+    int framelength = frameParsed[3].length() * 0.5;
 
-        buildData.resize(framelength);
+    buildData.resize(framelength);
 
-        int c;
-        for (c = 0; c < framelength; c++)
-        {
-            bool ok;
-            unsigned char byteVal = frameParsed[3].mid(c*2, 2).toUInt(&ok, 16);
-            buildData[c] = byteVal;
-        }
-        buildFrame.setPayload(buildData);
+    int c;
+    for (c = 0; c < framelength; c++)
+    {
+        bool ok;
+        unsigned char byteVal = frameParsed[3].mid(c*2, 2).toUInt(&ok, 16);
+        buildData[c] = byteVal;
+    }
+    buildFrame.setPayload(buildData);
 //        buildFrame.isReceived = true;
 
-        if (!isCapSuspended())
-        {
-            /* get frame from queue */
-            CANFrame* frame_p = getQueue().get();
-            if(frame_p) {
-                /* copy frame */
-                *frame_p = buildFrame;
-                //frame_p->remote = false;
-                frame_p->setFrameType(QCanBusFrame::DataFrame);
-                checkTargettedFrame(buildFrame);
-                /* enqueue frame */
-                getQueue().queue();
-            }
+    if (!isCapSuspended())
+    {
+        /* get frame from queue */
+        CANFrame* frame_p = getQueue().get();
+        if(frame_p) {
+            /* copy frame */
+            *frame_p = buildFrame;
+            //frame_p->remote = false;
+            frame_p->setFrameType(QCanBusFrame::DataFrame);
+            checkTargettedFrame(buildFrame);
+            /* enqueue frame */
+            getQueue().queue();
         }
-        else
-            qDebug() << "can't get a frame, capture suspended";
-
-        if (framePart.length() > frameStrConst.length())
-            decodeFrames(framePart.right(framePart.length() - frameStrConst.length()), busNum);
     }
+    else
+        qDebug() << "can't get a frame, capture suspended";
+
+    //take out the data that we just processed and anything that is in front of it
+    //this should keep broken frames from accumulating at in the data buffer
+    if (framePart.length() > frameStrConst.length())
+    {
+        return decodeFrames(framePart.right(framePart.length() - frameStrConst.length()), busNum);
+    }
+
+    return "";
 }
 
 void SocketCANd::disconnectDevice() {
@@ -387,6 +402,7 @@ void SocketCANd::procRXData(QString data, int busNum)
         {
             switchToRawMode(busNum);
             rx_state[busNum] = SWITCHING2RAW;
+            unprocessedData[busNum].clear();
         }
         else qInfo() << hostCanIDs[busNum] << ": Could not open bus. Host did not respond with ""< ok >"": " << data;
         break;
@@ -400,17 +416,26 @@ void SocketCANd::procRXData(QString data, int busNum)
         {
             qDebug() << "Ok found at start of compound message, switching to RAW and decoding immediately";
             rx_state[busNum] = RAWMODE;
-            decodeFrames(data, busNum);
+            unprocessedData[busNum] = decodeFrames(data, busNum);
         }
         else if(data.indexOf("< ok >", 0, Qt::CaseSensitivity::CaseInsensitive) > 0)
         {
             qDebug() << "Ok found at in middle of compound message, switching to RAW and decoding immediately";
             rx_state[busNum] = RAWMODE;
-            decodeFrames(data, busNum);
+            unprocessedData[busNum] = decodeFrames(data, busNum);
         }
         break;
     case RAWMODE:
-        decodeFrames(data, busNum);
+        unprocessedData[busNum] = decodeFrames(unprocessedData[busNum] + data, busNum);
+
+        if(unprocessedData[busNum].length() > 128)
+        {
+            //the buffer has grown too much we need to clear it out, but what is good logic for that?
+            //the decodeFrames function strips out datat that doesn't have a '< frame' starting token, and in its
+            //recursive calling of itself it strips out data that preceedes valid frames, so this should never happen
+            qDebug() << "busNum: " << busNum << "- " << unprocessedData[busNum].length() << " bytes in unprocessedData, something is wrong, clearing...";
+            unprocessedData[busNum].clear();
+        }
         break;
     case ISOTP:
         break;
diff --git a/connections/socketcand.h b/connections/socketcand.h
index b5c9376..aa8510a 100644
--- a/connections/socketcand.h
+++ b/connections/socketcand.h
@@ -57,7 +57,7 @@ private slots:
     void invokeReadTCPData();
     void deviceConnected(int busNum);
     void switchToRawMode(int busNum);
-    void decodeFrames(QString, int busNum);
+    QString decodeFrames(QString, int busNum);
 
 private:
     void procRXData(QString, int busNum);
@@ -76,6 +76,7 @@ protected:
     QByteArray buildData;
     QVarLengthArray<MODE> rx_state;
     CANFrame buildFrame;
+    QVarLengthArray<QString> unprocessedData;
 };
 
 
diff --git a/dbc/dbchandler.cpp b/dbc/dbchandler.cpp
index 23523ec..27df434 100644
--- a/dbc/dbchandler.cpp
+++ b/dbc/dbchandler.cpp
@@ -100,8 +100,15 @@ void DBCSignalHandler::sort()
 DBC_MESSAGE* DBCMessageHandler::findMsgByID(uint32_t id)
 {
     if (messages.count() == 0) return nullptr;
+    DBC_MESSAGE *bestMatch = nullptr;
+
     for (int i = 0; i < messages.count(); i++)
     {
+        if ( messages[i].ID == id )
+        {
+            return &messages[i];
+        }
+
         if (matchingCriteria == J1939)
         {
             // include data page and extended data page in the pgn
@@ -112,7 +119,7 @@ DBC_MESSAGE* DBCMessageHandler::findMsgByID(uint32_t id)
                 pgn &= 0x3FF00;
                 if ((messages[i].ID & 0x3FF0000) == (pgn << 8))
                 {
-                    return &messages[i];
+                    bestMatch = &messages[i];
                 }
             }
             else
@@ -120,7 +127,7 @@ DBC_MESSAGE* DBCMessageHandler::findMsgByID(uint32_t id)
                 // PDU2 format
                 if ((messages[i].ID & 0x3FFFF00) == (pgn << 8))
                 {
-                    return &messages[i];
+                    bestMatch = &messages[i];
                 }
             }
         }
@@ -129,17 +136,10 @@ DBC_MESSAGE* DBCMessageHandler::findMsgByID(uint32_t id)
             // Match the bits 14-26 (Arbitration Id) of GMLAN 29bit header
             uint32_t arbId = id &0x3FFE000;
             if ( (arbId != 0) && (messages[i].ID & 0x3FFE000) == arbId )
-                return &messages[i];
-        }
-        else
-        {
-            if ( messages[i].ID == id )
-            {
-                return &messages[i];
-            }
+                bestMatch = &messages[i];
         }
     }
-    return nullptr;
+    return bestMatch;
 }
 
 DBC_MESSAGE* DBCMessageHandler::findMsgByIdx(int idx)
diff --git a/framesenderwindow.cpp b/framesenderwindow.cpp
index 7029fa0..4d66317 100644
--- a/framesenderwindow.cpp
+++ b/framesenderwindow.cpp
@@ -898,7 +898,11 @@ void FrameSenderWindow::processCellChange(int line, int col)
         case 6: //Data bytes
             for (int i = 0; i < 8; i++) sendingData[line].payload().data()[i] = 0;
 
+#if QT_VERSION >= QT_VERSION_CHECK( 5, 14, 0 )
+            tokens = ui->tableSender->item(line, 6)->text().split(" ", Qt::SkipEmptyParts);
+#else
             tokens = ui->tableSender->item(line, 6)->text().split(" ", QString::SkipEmptyParts);
+#endif
             arr.clear();
             arr.reserve(tokens.count());
             for (int j = 0; j < tokens.count(); j++)
diff --git a/jsedit.cpp b/jsedit.cpp
index 5a994d0..edb1eef 100644
--- a/jsedit.cpp
+++ b/jsedit.cpp
@@ -931,7 +931,8 @@ void JSEdit::resizeEvent(QResizeEvent *e)
 void JSEdit::wheelEvent(QWheelEvent *e)
 {
     if (e->modifiers() == Qt::ControlModifier) {
-        int steps = e->delta() / 20;
+        QPoint numDegrees = e->angleDelta();
+        int steps = numDegrees.y() / 20;
         steps = qBound(-3, steps, 3);
         QFont textFont = font();
         int pointSize = textFont.pointSize() + steps;
diff --git a/mainsettingsdialog.cpp b/mainsettingsdialog.cpp
index 2da44ed..7cd1230 100644
--- a/mainsettingsdialog.cpp
+++ b/mainsettingsdialog.cpp
@@ -48,6 +48,7 @@ MainSettingsDialog::MainSettingsDialog(QWidget *parent) :
     ui->cbLoadConnections->setChecked(settings.value("Main/SaveRestoreConnections", false).toBool());
 
     ui->spinFontSize->setValue(settings.value("Main/FontSize", ui->cbDisplayHex->font().pointSize()).toUInt());
+    ui->cbFontFixedWidth->setChecked(settings.value("Main/FontFixedWidth", false).toBool());
 
     bool secondsMode = settings.value("Main/TimeSeconds", false).toBool();
     bool clockMode = settings.value("Main/TimeClock", false).toBool();
@@ -132,6 +133,7 @@ MainSettingsDialog::MainSettingsDialog(QWidget *parent) :
     connect(ui->cbHexGraphInfo, SIGNAL(toggled(bool)), this, SLOT(updateSettings()));
     connect(ui->cbIgnoreDBCColors, SIGNAL(toggled(bool)), this, SLOT(updateSettings()));
     connect(ui->spinMaximumFrames, SIGNAL(valueChanged(int)), this, SLOT(updateSettings()));
+    connect(ui->cbFontFixedWidth, SIGNAL(toggled(bool)), this, SLOT(updateSettings()));
 
     installEventFilter(this);
 }
@@ -199,6 +201,7 @@ void MainSettingsDialog::updateSettings()
     settings.setValue("Main/FilterLabeling", ui->cbFilterLabeling->isChecked());
     settings.setValue("Main/IgnoreDBCColors", ui->cbIgnoreDBCColors->isChecked());
     settings.setValue("Main/MaximumFrames", ui->spinMaximumFrames->value());
+    settings.setValue("Main/FontFixedWidth", ui->cbFontFixedWidth->isChecked());
 
     settings.sync();
     emit updatedSettings();
diff --git a/mainwindow.cpp b/mainwindow.cpp
index e1184f1..e84da30 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -57,12 +57,18 @@ MainWindow::MainWindow(QWidget *parent) :
     verticalHeader->setSectionResizeMode(QHeaderView::Fixed);
     QSettings settings;
     int fontSize = settings.value("Main/FontSize", 9).toUInt();
-    QFont sysFont = QFontDatabase::systemFont(QFontDatabase::FixedFont); //get default font
+    QFont sysFont;
+    if(settings.value("Main/FontFixedWidth", false).toBool())
+        sysFont = QFontDatabase::systemFont(QFontDatabase::FixedFont); //get default fixed width font
+    else
+        sysFont = QFont();  //get default font
     sysFont.setPointSize(fontSize);
     verticalHeader->setDefaultSectionSize(sysFont.pixelSize());
+    verticalHeader->setFont(QFont());
     ui->canFramesView->setFont(sysFont);
 
     QHeaderView *HorzHdr = ui->canFramesView->horizontalHeader();
+    HorzHdr->setFont(QFont());
     HorzHdr->setStretchLastSection(true); //causes the data column to automatically fill the tableview
     connect(HorzHdr, SIGNAL(sectionClicked(int)), this, SLOT(headerClicked(int)));
 
diff --git a/mqtt/qmqtt_client.h b/mqtt/qmqtt_client.h
index da89f01..690319b 100644
--- a/mqtt/qmqtt_client.h
+++ b/mqtt/qmqtt_client.h
@@ -129,7 +129,7 @@ class Q_MQTT_EXPORT Client : public QObject
     Q_PROPERTY(quint8 _willQos READ willQos WRITE setWillQos)
     Q_PROPERTY(bool _willRetain READ willRetain WRITE setWillRetain)
     Q_PROPERTY(QByteArray _willMessage READ willMessage WRITE setWillMessage)
-    Q_PROPERTY(QString _connectionState READ connectionState)
+    Q_PROPERTY(ConnectionState _connectionState READ connectionState)
 #ifndef QT_NO_SSL
     Q_PROPERTY(QSslConfiguration _sslConfiguration READ sslConfiguration WRITE setSslConfiguration)
 #endif // QT_NO_SSL
diff --git a/mqtt/qmqtt_socket.cpp b/mqtt/qmqtt_socket.cpp
index f0628f0..5805f94 100644
--- a/mqtt/qmqtt_socket.cpp
+++ b/mqtt/qmqtt_socket.cpp
@@ -41,9 +41,9 @@ QMQTT::Socket::Socket(QObject* parent)
     connect(_socket.data(), &QTcpSocket::connected,    this, &SocketInterface::connected);
     connect(_socket.data(), &QTcpSocket::disconnected, this, &SocketInterface::disconnected);
     connect(_socket.data(),
-            static_cast<void (QTcpSocket::*)(QAbstractSocket::SocketError)>(&QTcpSocket::error),
+            SIGNAL(error(QTcpSocket::error)),
             this,
-            static_cast<void (SocketInterface::*)(QAbstractSocket::SocketError)>(&SocketInterface::error));
+            SLOT(errorHandler(SocketInterface::error)));
 }
 
 QMQTT::Socket::~Socket()
diff --git a/mqtt/qmqtt_ssl_socket.cpp b/mqtt/qmqtt_ssl_socket.cpp
index 2d3a808..9f70434 100644
--- a/mqtt/qmqtt_ssl_socket.cpp
+++ b/mqtt/qmqtt_ssl_socket.cpp
@@ -46,9 +46,9 @@ QMQTT::SslSocket::SslSocket(const QSslConfiguration& config, QObject* parent)
     connect(_socket.data(), &QSslSocket::encrypted,    this, &SocketInterface::connected);
     connect(_socket.data(), &QSslSocket::disconnected, this, &SocketInterface::disconnected);
     connect(_socket.data(),
-            static_cast<void (QSslSocket::*)(QAbstractSocket::SocketError)>(&QSslSocket::error),
+            SIGNAL(error(QSslSocket::error)),
             this,
-            static_cast<void (SocketInterface::*)(QAbstractSocket::SocketError)>(&SocketInterface::error));
+            SLOT(errorHandler(SocketInterface::error)));
     connect(_socket.data(),
             static_cast<void (QSslSocket::*)(const QList<QSslError>&)>(&QSslSocket::sslErrors),
             this,
diff --git a/re/sniffer/sniffermodel.cpp b/re/sniffer/sniffermodel.cpp
index 55736b4..293a69d 100644
--- a/re/sniffer/sniffermodel.cpp
+++ b/re/sniffer/sniffermodel.cpp
@@ -137,7 +137,7 @@ QVariant SnifferModel::data(const QModelIndex &index, int role) const
 Qt::ItemFlags SnifferModel::flags(const QModelIndex &index) const
 {
     if (!index.isValid())
-        return 0;
+        return Qt::NoItemFlags;
 
     return QAbstractItemModel::flags(index);
 }
diff --git a/signalviewerwindow.cpp b/signalviewerwindow.cpp
index 2835699..8ec7936 100644
--- a/signalviewerwindow.cpp
+++ b/signalviewerwindow.cpp
@@ -4,6 +4,9 @@
 #include "mainwindow.h"
 #include <QDebug>
 
+#define MSG_COL     1
+#define VALUE_COL   2
+
 SignalViewerWindow::SignalViewerWindow(const QVector<CANFrame> *frames, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::SignalViewerWindow)
@@ -14,15 +17,31 @@ SignalViewerWindow::SignalViewerWindow(const QVector<CANFrame> *frames, QWidget
     modelFrames = frames;
 
     QStringList headers;
-    headers << "Signal" << "Value";
+    headers << "Node" << "Signal" << "Value";
     ui->tableViewer->setHorizontalHeaderLabels(headers);
-    ui->tableViewer->setColumnWidth(0, 150);
-    ui->tableViewer->setColumnWidth(1, 300);
+    ui->tableViewer->setColumnWidth(0, 100);
+    ui->tableViewer->setColumnWidth(1, 150);
+
+    QSettings settings;
+    QFont sysFont;
+    int fontSize = settings.value("Main/FontSize", 9).toUInt();
+    if(settings.value("Main/FontFixedWidth", false).toBool())
+        sysFont = QFontDatabase::systemFont(QFontDatabase::FixedFont); //get default fixed width font
+    else
+        sysFont = QFont();  //get default font
+    sysFont.setPointSize(fontSize);
+    ui->tableViewer->setFont(sysFont);
+
     QHeaderView *HorzHdr = ui->tableViewer->horizontalHeader();
     HorzHdr->setStretchLastSection(true); //causes the data column to automatically fill the tableview
+    HorzHdr->setFont(QFont());
+
+    QHeaderView *verticalHeader = ui->tableViewer->verticalHeader();
+    verticalHeader->setFont(QFont());
 
     dbcHandler = DBCHandler::getReference();
 
+    connect(ui->cbNodes, SIGNAL(currentIndexChanged(int)), this, SLOT(loadMessages(int)));
     connect(ui->cbMessages, SIGNAL(currentIndexChanged(int)), this, SLOT(loadSignals(int)));
     connect(ui->btnAdd, SIGNAL(clicked(bool)), this, SLOT(addSignal()));
     connect(MainWindow::getReference(), SIGNAL(framesUpdated(int)), this, SLOT(updatedFrames(int)));
@@ -32,7 +51,7 @@ SignalViewerWindow::SignalViewerWindow(const QVector<CANFrame> *frames, QWidget
     connect(ui->btnAppend, SIGNAL(clicked(bool)), this, SLOT(appendSignalsFile()));
     connect(ui->btnClear, SIGNAL(clicked(bool)), this, SLOT(clearSignalsTable()));
 
-    loadMessages();
+    loadNodes();
 }
 
 SignalViewerWindow::~SignalViewerWindow()
@@ -79,11 +98,11 @@ void SignalViewerWindow::processFrame(CANFrame &frame)
         {
             if (sig->processAsText(frame, sigString, false)) //if true we could interpret the signal so update it in the list
             {
-                QTableWidgetItem *item = ui->tableViewer->item(i, 1);
+                QTableWidgetItem *item = ui->tableViewer->item(i, VALUE_COL);
                 if (!item)
                 {
                     item = new QTableWidgetItem(sigString);
-                    ui->tableViewer->setItem(i, 1, item);
+                    ui->tableViewer->setItem(i, VALUE_COL, item);
                 }
                 else item->setText(sigString);
             }
@@ -99,20 +118,67 @@ void SignalViewerWindow::removeSelectedSignal()
     ui->tableViewer->removeRow(selRow);
 }
 
-void SignalViewerWindow::loadMessages()
+void SetComboBoxItemEnabled(QComboBox * comboBox, int index, bool enabled)
+{
+    auto * model = qobject_cast<QStandardItemModel*>(comboBox->model());
+    assert(model);
+    if(!model) return;
+
+    auto * item = model->item(index);
+    assert(item);
+    if(!item) return;
+    item->setEnabled(enabled);
+}
+
+void SignalViewerWindow::loadNodes()
 {
     int numFiles;
-    ui->cbMessages->clear();
+    ui->cbNodes->clear();
     if (dbcHandler == nullptr) return;
     if ((numFiles = dbcHandler->getFileCount()) == 0) return;
     qDebug() << numFiles;
+    for (int f = 0; f < numFiles; f++)
+    {
+        qDebug() << dbcHandler->getFileByIdx(f)->messageHandler->getCount();
+
+        QList<QString> names;
+
+        for (int x = 0; x < dbcHandler->getFileByIdx(f)->dbc_nodes.count(); x++)
+        {
+            QString name = dbcHandler->getFileByIdx(f)->dbc_nodes[x].name;
+            if(name != "Vector__XXX")
+                names.append(name);
+        }
+
+        if(names.count() > 0)
+        {
+            names.sort();
+            ui->cbNodes->addItem("----" + dbcHandler->getFileByIdx(f)->getFilename());
+            SetComboBoxItemEnabled(ui->cbNodes, ui->cbNodes->count() -1, false);
+            for(int i=0; i<names.count(); i++)
+                ui->cbNodes->addItem(names[i]);
+        }
+    }
+}
+
+void SignalViewerWindow::loadMessages(int idx)
+{
+    int numFiles;
+    ui->cbMessages->clear();
+    if (dbcHandler == nullptr) return;
+    if ((numFiles = dbcHandler->getFileCount()) == 0) return;
+    qDebug() << numFiles;
+
+    QString nodeName = ui->cbNodes->itemText(idx);
+
     for (int f = 0; f < numFiles; f++)
     {
         qDebug() << dbcHandler->getFileByIdx(f)->messageHandler->getCount();
 
         for (int x = 0; x < dbcHandler->getFileByIdx(f)->messageHandler->getCount(); x++)
         {
-            ui->cbMessages->addItem(dbcHandler->getFileByIdx(f)->messageHandler->findMsgByIdx(x)->name);
+            if(dbcHandler->getFileByIdx(f)->messageHandler->findMsgByIdx(x)->sender->name == nodeName)
+                ui->cbMessages->addItem(dbcHandler->getFileByIdx(f)->messageHandler->findMsgByIdx(x)->name);
         }
     }
 }
@@ -150,8 +216,10 @@ void SignalViewerWindow::addSignal(DBC_SIGNAL *sig)
 
     int rowIdx = ui->tableViewer->rowCount();
     ui->tableViewer->insertRow(rowIdx);
-    QTableWidgetItem *item = new QTableWidgetItem(sig->parentMessage->sender->name + " - " + sig->name);
-    ui->tableViewer->setItem(rowIdx, 0, item);
+    QTableWidgetItem *nodeitem = new QTableWidgetItem(sig->parentMessage->sender->name);
+    ui->tableViewer->setItem(rowIdx, 0, nodeitem);
+    QTableWidgetItem *msgitem = new QTableWidgetItem(sig->name);
+    ui->tableViewer->setItem(rowIdx, 1, msgitem);
 }
 
 void SignalViewerWindow::saveSignalsFile()
diff --git a/signalviewerwindow.h b/signalviewerwindow.h
index fab979c..711fe2c 100644
--- a/signalviewerwindow.h
+++ b/signalviewerwindow.h
@@ -17,7 +17,8 @@ public:
     ~SignalViewerWindow();
 
 private slots:
-    void loadMessages();
+    void loadNodes();
+    void loadMessages(int idx);
     void loadSignals(int idx);
     void addSignal();
     void addSignal(DBC_SIGNAL *sig);
diff --git a/ui/mainsettingsdialog.ui b/ui/mainsettingsdialog.ui
index d119b08..cb61d4d 100644
--- a/ui/mainsettingsdialog.ui
+++ b/ui/mainsettingsdialog.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>965</width>
-    <height>678</height>
+    <height>713</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -191,9 +191,23 @@
         <item>
          <widget class="QGroupBox" name="groupBox_7">
           <property name="title">
-           <string>Font Size</string>
+           <string>Font</string>
           </property>
           <layout class="QVBoxLayout" name="verticalLayout_8">
+           <item>
+            <widget class="QCheckBox" name="cbFontFixedWidth">
+             <property name="text">
+              <string>Use fixed-width font in tables</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLabel" name="label_11">
+             <property name="text">
+              <string>Size</string>
+             </property>
+            </widget>
+           </item>
            <item>
             <widget class="QSpinBox" name="spinFontSize">
              <property name="minimum">
diff --git a/ui/signalviewerwindow.ui b/ui/signalviewerwindow.ui
index 0814757..8f1c75d 100644
--- a/ui/signalviewerwindow.ui
+++ b/ui/signalviewerwindow.ui
@@ -18,8 +18,11 @@
     <layout class="QVBoxLayout" name="verticalLayout_2">
      <item>
       <widget class="QTableWidget" name="tableViewer">
+       <property name="sortingEnabled">
+        <bool>true</bool>
+       </property>
        <property name="columnCount">
-        <number>2</number>
+        <number>3</number>
        </property>
        <attribute name="horizontalHeaderDefaultSectionSize">
         <number>300</number>
@@ -32,6 +35,7 @@
        </attribute>
        <column/>
        <column/>
+       <column/>
       </widget>
      </item>
      <item>
@@ -45,6 +49,16 @@
    </item>
    <item>
     <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QLabel" name="label_3">
+       <property name="text">
+        <string>Node</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QComboBox" name="cbNodes"/>
+     </item>
      <item>
       <widget class="QLabel" name="label">
        <property name="text">