New custom model that somewhat speeds up loading of canbus frame but it's still dog slow.

SavvyCAN.pro

@@ -13,9 +13,11 @@ TEMPLATE = app
 
 
 SOURCES += main.cpp\
-        mainwindow.cpp
+        mainwindow.cpp \
+    canframemodel.cpp
 
 HEADERS  += mainwindow.h \
-    can_structs.h
+    can_structs.h \
+    canframemodel.h
 
 FORMS    += mainwindow.ui

SavvyCAN.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.4.0, 2015-04-26T23:13:45. -->
+<!-- Written by QtCreator 3.4.0, 2015-04-27T17:16:33. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -226,11 +226,11 @@
     </valuelist>
     <value type="int" key="PE.EnvironmentAspect.Base">2</value>
     <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
-    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">ReverseCAN</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">SavvyCAN</value>
     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
-    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">Qt4ProjectManager.Qt4RunConfiguration:C:/Users/Collin/Documents/ReverseCAN/ReverseCAN.pro</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">Qt4ProjectManager.Qt4RunConfiguration:C:/Users/Collin/Documents/SavvyCAN/SavvyCAN.pro</value>
     <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.CommandLineArguments"></value>
-    <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.ProFile">ReverseCAN.pro</value>
+    <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.ProFile">SavvyCAN.pro</value>
     <value type="bool" key="Qt4ProjectManager.Qt4RunConfiguration.UseDyldImageSuffix">false</value>
     <value type="bool" key="Qt4ProjectManager.Qt4RunConfiguration.UseTerminal">false</value>
     <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.UserWorkingDirectory"></value>

canframemodel.cpp

@@ -0,0 +1,111 @@
+#include "canframemodel.h"
+
+int CANFrameModel::rowCount(const QModelIndex &parent) const
+{
+    return frames.count();
+}
+
+int CANFrameModel::columnCount(const QModelIndex &index) const
+{
+    return 6;
+}
+
+CANFrameModel::CANFrameModel(QObject *parent)
+    : QAbstractTableModel(parent)
+{
+    frames.reserve(100000); //ask for at least 100,000 entries. This gives good performance up to this limit
+}
+
+QVariant CANFrameModel::data(const QModelIndex &index, int role) const
+{
+    QString tempString;
+    if (!index.isValid())
+        return QVariant();
+
+    if (index.row() >= frames.count())
+        return QVariant();
+
+    if (role == Qt::DisplayRole) {
+        CANFrame thisFrame = frames.at(index.row());
+        switch (index.column())
+        {
+        case 0: //timestamp
+
+            return QString::number(thisFrame.timestamp);
+            break;
+        case 1: //id
+            return QString::number(thisFrame.ID, 16);
+            break;
+        case 2: //ext
+            return QString::number(thisFrame.extended);
+            break;
+        case 3: //bus
+            return QString::number(thisFrame.bus);
+            break;
+        case 4: //len
+            return QString::number(thisFrame.len);
+            break;
+        case 5: //data
+            for (int i = 0; i < thisFrame.len; i++)
+            {
+                tempString.append(QString::number(thisFrame.data[i], 16));
+                tempString.append(" ");
+            }
+            return tempString;
+            break;
+        default:
+            return QVariant();
+        }
+    }
+    else
+        return QVariant();
+}
+
+QVariant CANFrameModel::headerData(int section, Qt::Orientation orientation,
+                                     int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (orientation == Qt::Horizontal)
+    {
+        switch (section)
+        {
+        case 0:
+            return QString(tr("Timestamp"));
+            break;
+        case 1:
+            return QString(tr("ID"));
+            break;
+        case 2:
+            return QString(tr("Ext"));
+            break;
+        case 3:
+            return QString(tr("Bus"));
+            break;
+        case 4:
+            return QString(tr("Len"));
+            break;
+        case 5:
+            return QString(tr("Data"));
+            break;
+        }
+    }
+
+    else
+        return QString::number(section);
+}
+
+void CANFrameModel::addFrame(CANFrame &frame)
+{
+    beginInsertRows(QModelIndex(), frames.count() + 1, frames.count() + 1);
+    frames.append(frame);
+    endInsertRows();
+}
+
+void CANFrameModel::clearFrames()
+{
+    beginRemoveRows(QModelIndex(), 0, frames.count());
+    frames.clear();
+    endRemoveRows();
+}

canframemodel.h

@@ -0,0 +1,31 @@
+#ifndef CANFRAMEMODEL_H
+#define CANFRAMEMODEL_H
+
+#include <QAbstractTableModel>
+#include <QList>
+#include "can_structs.h"
+
+class CANFrameModel: public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    CANFrameModel(QObject *parent = 0);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role) const;
+    QVariant headerData(int section, Qt::Orientation orientation,
+                        int role = Qt::DisplayRole) const;
+    int CANFrameModel::columnCount(const QModelIndex &) const;
+
+    void addFrame(CANFrame &frame);
+    void clearFrames();
+
+
+private:
+    QList<CANFrame> frames;
+};
+
+
+#endif // CANFRAMEMODEL_H
+

mainwindow.cpp

@@ -3,43 +3,25 @@
 #include "can_structs.h"
 #include <QDateTime>
 #include <QFileDialog>
-#include <QStandardItemModel>
+#include "canframemodel.h"
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
-    model = new QStandardItemModel();
+    model = new CANFrameModel();
     ui->canFramesView->setModel(model);
 
     QStringList headers;
     headers << "Timestamp" << "ID" << "Ext" << "Bus" << "Len" << "Data";
-    model->setHorizontalHeaderLabels(headers);
+    //model->setHorizontalHeaderLabels(headers);
     ui->canFramesView->setColumnWidth(0, 110);
     ui->canFramesView->setColumnWidth(1, 70);
     ui->canFramesView->setColumnWidth(2, 40);
     ui->canFramesView->setColumnWidth(3, 40);
     ui->canFramesView->setColumnWidth(4, 40);
     ui->canFramesView->setColumnWidth(5, 300);
-
-    /*
-    for (int row = 0; row < 4000; row++)
-    {
-        QStandardItem *item = new QStandardItem(QString("10000ms"));
-        model->setItem(row, 0, item);
-        item = new QStandardItem(QString("0x107"));
-        model->setItem(row, 1, item);
-        item = new QStandardItem(QString("F"));
-        model->setItem(row, 2, item);
-        item = new QStandardItem(QString("1"));
-        model->setItem(row, 3, item);
-        item = new QStandardItem(QString("8"));
-        model->setItem(row, 4, item);
-        item = new QStandardItem(QString("0x10 0xE0 0x10 0x30 0x40 0x50 0xFF 0x23"));
-        model->setItem(row, 5, item);
-    }
-    */
 }
 
 MainWindow::~MainWindow()
@@ -47,27 +29,9 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
-void MainWindow::addFrameToDisplay(CANFrame frame)
+void MainWindow::addFrameToDisplay(CANFrame &frame)
 {
-    int row = model->rowCount();
+    model->addFrame(frame);
-    QStandardItem *item = new QStandardItem(QString::number(frame.timestamp));
-    model->setItem(row, 0, item);
-    item = new QStandardItem(QString::number(frame.ID, 16));
-    model->setItem(row, 1, item);
-    item = new QStandardItem(QString::number(frame.extended));
-    model->setItem(row, 2, item);
-    item = new QStandardItem(QString::number(frame.bus));
-    model->setItem(row, 3, item);
-    item = new QStandardItem(QString::number(frame.len));
-    model->setItem(row, 4, item);
-    QString tempString;
-    for (int i = 0; i < frame.len; i++)
-    {
-        tempString.append(QString::number(frame.data[i], 16));
-        tempString.append(" ");
-    }
-    item = new QStandardItem(tempString);
-    model->setItem(row, 5, item);
 }
 
 void MainWindow::loadCRTDFile(QString filename)

mainwindow.h

@@ -2,7 +2,7 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
-#include <QStandardItemModel>
+#include "canframemodel.h"
 #include "can_structs.h"
 
 namespace Ui {
@@ -22,13 +22,13 @@ private slots:
 
 private:
     Ui::MainWindow *ui;
-    QStandardItemModel *model;
+    CANFrameModel *model;
     void loadCRTDFile(QString);
     void loadNativeCSVFile(QString);
     void loadGenericCSVFile(QString);
     void loadLogFile(QString);
     void loadMicrochipFile(QString);
-    void addFrameToDisplay(CANFrame);
+    void addFrameToDisplay(CANFrame &);
 };
 
 #endif // MAINWINDOW_H

mainwindow.ui

@@ -38,6 +38,9 @@
     <property name="alternatingRowColors">
      <bool>true</bool>
     </property>
+    <property name="wordWrap">
+     <bool>false</bool>
+    </property>
    </widget>
   </widget>
   <widget class="QMenuBar" name="menuBar">
@@ -82,7 +85,7 @@
     <enum>TopToolBarArea</enum>
    </attribute>
    <attribute name="toolBarBreak">
-    <bool>true</bool>
+    <bool>false</bool>
    </attribute>
   </widget>
   <widget class="QStatusBar" name="statusBar"/>
@@ -142,8 +145,8 @@
    <slot>handleLoadFile()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>244</x>
+     <x>-1</x>
-     <y>50</y>
+     <y>-1</y>
     </hint>
     <hint type="destinationlabel">
      <x>507</x>