Graphing of canbus data now works. It is very preliminary but it works.

newgraphdialog.cpp

@@ -1,14 +1,72 @@
 #include "newgraphdialog.h"
 #include "ui_newgraphdialog.h"
+#include <QColorDialog>
+#include "utility.h"
 
 NewGraphDialog::NewGraphDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::NewGraphDialog)
 {
     ui->setupUi(this);
+
+    connect(ui->colorSwatch, SIGNAL(clicked(bool)), this, SLOT(colorSwatchClick()));
+    connect(ui->btnAddGraph, SIGNAL(clicked(bool)), this, SLOT(addButtonClicked()));
+
+    // Seed the random generator with current time
+    QTime time = QTime::currentTime();
+    qsrand((uint)time.msec());
+
+    QPalette p = ui->colorSwatch->palette();
+    p.setColor(QPalette::Button, QColor(qrand() % 255,qrand() % 255,qrand() % 255));
+    ui->colorSwatch->setPalette(p);
+
 }
 
 NewGraphDialog::~NewGraphDialog()
 {
     delete ui;
 }
+
+void NewGraphDialog::addButtonClicked()
+{
+    accept();
+}
+
+void NewGraphDialog::colorSwatchClick()
+{
+    QColor newColor = QColorDialog::getColor(ui->colorSwatch->palette().button().color());
+
+    QPalette p = ui->colorSwatch->palette();
+    p.setColor(QPalette::Button, newColor);
+    ui->colorSwatch->setPalette(p);
+
+}
+
+void NewGraphDialog::getParams(GraphParams &params)
+{
+    params.ID = Utility::ParseStringToNum(ui->txtID->text());
+    params.bias = ui->txtBias->text().toFloat();
+    params.color = ui->colorSwatch->palette().button().color();
+    params.isSigned = ui->cbSigned->isChecked();
+    params.mask = Utility::ParseStringToNum(ui->txtMask->text());
+    params.scale = Utility::ParseStringToNum(ui->txtScale->text());
+    params.stride = Utility::ParseStringToNum(ui->txtStride->text());
+
+    QStringList values = ui->txtData->text().split('-');
+    params.startByte = -1;
+    params.endByte = -1;
+    if (values.count() > 0)
+    {
+        params.startByte = values[0].toInt();
+        if (values.count() > 1)
+        {
+            params.endByte = values[1].toInt();
+        }
+    }
+
+    //now catch stupidity and bring it to defaults
+    if (params.mask == 0) params.mask = 0xFFFFFFFF;
+    if (fabs(params.scale) < 0.0001f) params.scale = 1.0f;
+    if (params.stride < 1) params.stride = 1;
+
+}