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0ff076de3a086d0fa22217b9ac27b27820b1f21b
giesCANne/graphingwindow.cpp
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#include "graphingwindow.h"
#include "ui_graphingwindow.h"
#include "newgraphdialog.h"
#include "mainwindow.h"
#include <QDebug>
GraphingWindow::GraphingWindow(DBCHandler *handler, const QVector<CANFrame> *frames, QWidget *parent) :
QDialog(parent),
ui(new Ui::GraphingWindow)
{
ui->setupUi(this);
readSettings();
modelFrames = frames;
dbcHandler = handler;
ui->graphingView->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectAxes |
QCP::iSelectLegend | QCP::iSelectPlottables);
ui->graphingView->xAxis->setRange(0, 8);
ui->graphingView->yAxis->setRange(0, 255);
ui->graphingView->axisRect()->setupFullAxesBox();
//ui->graphingView->plotLayout()->insertRow(0);
//ui->graphingView->plotLayout()->addElement(0, 0, new QCPPlotTitle(ui->graphingView, "Data Graphing"));
ui->graphingView->xAxis->setLabel("Time Axis");
ui->graphingView->yAxis->setLabel("Value Axis");
ui->graphingView->xAxis->setNumberFormat("f");
if (secondsMode) ui->graphingView->xAxis->setNumberPrecision(6);
else ui->graphingView->xAxis->setNumberPrecision(0);
ui->graphingView->legend->setVisible(true);
QFont legendFont = font();
legendFont.setPointSize(10);
QFont legendSelectedFont = font();
legendSelectedFont.setPointSize(12);
legendSelectedFont.setBold(true);
ui->graphingView->legend->setFont(legendFont);
ui->graphingView->legend->setSelectedFont(legendSelectedFont);
ui->graphingView->legend->setSelectableParts(QCPLegend::spItems); // legend box shall not be selectable, only legend items
// connect slot that ties some axis selections together (especially opposite axes):
connect(ui->graphingView, SIGNAL(selectionChangedByUser()), this, SLOT(selectionChanged()));
//connect up the mouse controls
connect(ui->graphingView, SIGNAL(mousePress(QMouseEvent*)), this, SLOT(mousePress()));
connect(ui->graphingView, SIGNAL(plottableDoubleClick(QCPAbstractPlottable*,QMouseEvent*)), this, SLOT(plottableDoubleClick(QCPAbstractPlottable*,QMouseEvent*)));
connect(ui->graphingView, SIGNAL(mouseWheel(QWheelEvent*)), this, SLOT(mouseWheel()));
// make bottom and left axes transfer their ranges to top and right axes:
connect(ui->graphingView->xAxis, SIGNAL(rangeChanged(QCPRange)), ui->graphingView->xAxis2, SLOT(setRange(QCPRange)));
connect(ui->graphingView->yAxis, SIGNAL(rangeChanged(QCPRange)), ui->graphingView->yAxis2, SLOT(setRange(QCPRange)));
connect(ui->graphingView, SIGNAL(titleDoubleClick(QMouseEvent*,QCPPlotTitle*)), this, SLOT(titleDoubleClick(QMouseEvent*,QCPPlotTitle*)));
connect(ui->graphingView, SIGNAL(axisDoubleClick(QCPAxis*,QCPAxis::SelectablePart,QMouseEvent*)), this, SLOT(axisLabelDoubleClick(QCPAxis*,QCPAxis::SelectablePart)));
connect(ui->graphingView, SIGNAL(legendDoubleClick(QCPLegend*,QCPAbstractLegendItem*,QMouseEvent*)), this, SLOT(legendDoubleClick(QCPLegend*,QCPAbstractLegendItem*)));
connect(MainWindow::getReference(), SIGNAL(framesUpdated(int)), this, SLOT(updatedFrames(int)));
// setup policy and connect slot for context menu popup:
ui->graphingView->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->graphingView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuRequest(QPoint)));
selectedPen.setWidth(1);
selectedPen.setColor(Qt::blue);
ui->graphingView->setAttribute(Qt::WA_AcceptTouchEvents);
needScaleSetup = true;
}
GraphingWindow::~GraphingWindow()
{
delete ui;
}
void GraphingWindow::showEvent(QShowEvent* event)
{
QDialog::showEvent(event);
installEventFilter(this);
readSettings();
ui->graphingView->replot();
}
void GraphingWindow::closeEvent(QCloseEvent *event)
{
Q_UNUSED(event);
removeEventFilter(this);
writeSettings();
}
void GraphingWindow::readSettings()
{
QSettings settings;
if (settings.value("Main/SaveRestorePositions", false).toBool())
{
resize(settings.value("Graphing/WindowSize", QSize(800, 600)).toSize());
move(settings.value("Graphing/WindowPos", QPoint(50, 50)).toPoint());
}
secondsMode = settings.value("Main/TimeSeconds", false).toBool();
}
void GraphingWindow::writeSettings()
{
QSettings settings;
if (settings.value("Main/SaveRestorePositions", false).toBool())
{
settings.setValue("Graphing/WindowSize", size());
settings.setValue("Graphing/WindowPos", pos());
}
}
void GraphingWindow::updatedFrames(int numFrames)
{
CANFrame thisFrame;
if (numFrames == -1) //all frames deleted. Kill the display
{
//removeAllGraphs();
//now instead of removing the graphs regenerate them which will blank them out but leave them there in case
//more traffic that matches comes in or someone otherwise loads more data
ui->graphingView->clearGraphs(); //temporarily remove the graphs from the graph view
for (int i = 0; i < graphParams.count(); i++)
{
createGraph(graphParams[i], false); //regenerate each one
}
ui->graphingView->replot(); //now, redisplay them all
}
else if (numFrames == -2) //all new set of frames. Reset
{
//there shouldn't be any need to actually remove the graphs.
//regenerate them instead
ui->graphingView->clearGraphs(); //temporarily remove the graphs from the graph view
//needScaleSetup = true;
for (int i = 0; i < graphParams.count(); i++)
{
createGraph(graphParams[i], false); //regenerate each one
}
ui->graphingView->replot(); //now, redisplay them all
}
else //just got some new frames. See if they are relevant.
{
for (int i = modelFrames->count() - numFrames; i < modelFrames->count(); i++)
{
thisFrame = modelFrames->at(i);
for (int j = 0; j < graphParams.count(); j++)
{
if (graphParams[j].ID == thisFrame.ID)
{
appendToGraph(graphParams[j], thisFrame);
}
}
}
ui->graphingView->replot();
}
}
void GraphingWindow::plottableDoubleClick(QCPAbstractPlottable* plottable, QMouseEvent* event)
{
int id = 0;
//apply transforms to get the X axis value where we double clicked
double coord = plottable->keyAxis()->pixelToCoord(event->localPos().x());
id = plottable->property("id").toInt();
if (secondsMode) emit sendCenterTimeID(id, coord);
else emit sendCenterTimeID(id, coord / 1000000.0);
}
void GraphingWindow::gotCenterTimeID(int32_t ID, double timestamp)
{
//its problematic to try to highlight a graph since we get the ID
//and timestamp not the signal in question so there is no real way
//to know which graph. But, if that changes here is a stub
//for (int i = 0; i < graphParams.count(); i++)
//{
//}
QCPRange range = ui->graphingView->xAxis->range();
double offset = range.size() / 2.0;
if (!secondsMode) timestamp *= 1000000.0; //timestamp is always in seconds when being passed so convert if necessary
ui->graphingView->xAxis->setRange(timestamp - offset, timestamp + offset);
ui->graphingView->replot();
}
void GraphingWindow::titleDoubleClick(QMouseEvent* event, QCPPlotTitle* title)
{
Q_UNUSED(event)
// Set the plot title by double clicking on it
bool ok;
QString newTitle = QInputDialog::getText(this, "SavvyCAN Graphing", "New plot title:", QLineEdit::Normal, title->text(), &ok);
if (ok)
{
title->setText(newTitle);
ui->graphingView->replot();
}
}
void GraphingWindow::axisLabelDoubleClick(QCPAxis *axis, QCPAxis::SelectablePart part)
{
// Set an axis label by double clicking on it
if (part == QCPAxis::spAxisLabel) // only react when the actual axis label is clicked, not tick label or axis backbone
{
bool ok;
QString newLabel = QInputDialog::getText(this, "SavvyCAN Graphing", "New axis label:", QLineEdit::Normal, axis->label(), &ok);
if (ok)
{
axis->setLabel(newLabel);
ui->graphingView->replot();
}
}
}
void GraphingWindow::legendDoubleClick(QCPLegend *legend, QCPAbstractLegendItem *item)
{
// Rename a graph by double clicking on its legend item
Q_UNUSED(legend)
if (item) // only react if item was clicked (user could have clicked on border padding of legend where there is no item, then item is 0)
{
QCPPlottableLegendItem *plItem = qobject_cast<QCPPlottableLegendItem*>(item);
bool ok;
QString newName = QInputDialog::getText(this, "SavvyCAN Graphing", "New graph name:", QLineEdit::Normal, plItem->plottable()->name(), &ok);
if (ok)
{
plItem->plottable()->setName(newName);
if (ui->graphingView->selectedGraphs().size() > 0)
{
for (int i = 0; i < graphParams.count(); i++)
{
if (graphParams[i].ref == ui->graphingView->selectedGraphs().first())
{
graphParams[i].graphName = newName;
break;
}
}
}
ui->graphingView->replot();
}
}
}
void GraphingWindow::selectionChanged()
{
/*
normally, axis base line, axis tick labels and axis labels are selectable separately, but we want
the user only to be able to select the axis as a whole, so we tie the selected states of the tick labels
and the axis base line together. However, the axis label shall be selectable individually.
The selection state of the left and right axes shall be synchronized as well as the state of the
bottom and top axes.
Further, we want to synchronize the selection of the graphs with the selection state of the respective
legend item belonging to that graph. So the user can select a graph by either clicking on the graph itself
or on its legend item.
*/
// make top and bottom axes be selected synchronously, and handle axis and tick labels as one selectable object:
if (ui->graphingView->xAxis->selectedParts().testFlag(QCPAxis::spAxis) || ui->graphingView->xAxis->selectedParts().testFlag(QCPAxis::spTickLabels) ||
ui->graphingView->xAxis2->selectedParts().testFlag(QCPAxis::spAxis) || ui->graphingView->xAxis2->selectedParts().testFlag(QCPAxis::spTickLabels))
{
ui->graphingView->xAxis2->setSelectedParts(QCPAxis::spAxis|QCPAxis::spTickLabels);
ui->graphingView->xAxis->setSelectedParts(QCPAxis::spAxis|QCPAxis::spTickLabels);
}
// make left and right axes be selected synchronously, and handle axis and tick labels as one selectable object:
if (ui->graphingView->yAxis->selectedParts().testFlag(QCPAxis::spAxis) || ui->graphingView->yAxis->selectedParts().testFlag(QCPAxis::spTickLabels) ||
ui->graphingView->yAxis2->selectedParts().testFlag(QCPAxis::spAxis) || ui->graphingView->yAxis2->selectedParts().testFlag(QCPAxis::spTickLabels))
{
ui->graphingView->yAxis2->setSelectedParts(QCPAxis::spAxis|QCPAxis::spTickLabels);
ui->graphingView->yAxis->setSelectedParts(QCPAxis::spAxis|QCPAxis::spTickLabels);
}
// synchronize selection of graphs with selection of corresponding legend items:
for (int i=0; i<ui->graphingView->graphCount(); ++i)
{
QCPGraph *graph = ui->graphingView->graph(i);
QCPPlottableLegendItem *item = ui->graphingView->legend->itemWithPlottable(graph);
if (item->selected() || graph->selected())
{
item->setSelected(true);
graph->setSelected(true);
}
}
}
void GraphingWindow::mousePress()
{
// if an axis is selected, only allow the direction of that axis to be dragged
// if no axis is selected, both directions may be dragged
if (ui->graphingView->xAxis->selectedParts().testFlag(QCPAxis::spAxis))
ui->graphingView->axisRect()->setRangeDrag(ui->graphingView->xAxis->orientation());
else if (ui->graphingView->yAxis->selectedParts().testFlag(QCPAxis::spAxis))
ui->graphingView->axisRect()->setRangeDrag(ui->graphingView->yAxis->orientation());
else
ui->graphingView->axisRect()->setRangeDrag(Qt::Horizontal|Qt::Vertical);
}
void GraphingWindow::mouseWheel()
{
// if an axis is selected, only allow the direction of that axis to be zoomed
// if no axis is selected, both directions may be zoomed
if (ui->graphingView->xAxis->selectedParts().testFlag(QCPAxis::spAxis))
ui->graphingView->axisRect()->setRangeZoom(ui->graphingView->xAxis->orientation());
else if (ui->graphingView->yAxis->selectedParts().testFlag(QCPAxis::spAxis))
ui->graphingView->axisRect()->setRangeZoom(ui->graphingView->yAxis->orientation());
else
ui->graphingView->axisRect()->setRangeZoom(Qt::Horizontal|Qt::Vertical);
}
bool GraphingWindow::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::KeyRelease) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
switch (keyEvent->key())
{
case Qt::Key_Plus:
zoomIn();
break;
case Qt::Key_Minus:
zoomOut();
break;
}
return true;
} else if (event->type() == QEvent::TouchBegin)
{
qDebug() << "Touch begin";
} else if (event->type() == QEvent::TouchCancel)
{
qDebug() << "Touch cancel";
} else if (event->type() == QEvent::TouchEnd)
{
qDebug() << "Touch End";
} else if (event->type() == QEvent::TouchUpdate)
{
qDebug() << "Touch Update";
} else {
// standard event processing
return QObject::eventFilter(obj, event);
}
}
void GraphingWindow::resetView()
{
double yminval=10000000.0, ymaxval = -1000000.0;
double xminval=10000000000.0, xmaxval = -10000000000.0;
for (int i = 0; i < graphParams.count(); i++)
{
for (int j = 0; j < graphParams[i].x.count(); j++)
{
if (graphParams[i].x[j] < xminval) xminval = graphParams[i].x[j];
if (graphParams[i].x[j] > xmaxval) xmaxval = graphParams[i].x[j];
if (graphParams[i].y[j] < yminval) yminval = graphParams[i].y[j];
if (graphParams[i].y[j] > ymaxval) ymaxval = graphParams[i].y[j];
}
}
ui->graphingView->xAxis->setRange(xminval, xmaxval);
ui->graphingView->yAxis->setRange(yminval, ymaxval);
ui->graphingView->axisRect()->setupFullAxesBox();
ui->graphingView->replot();
}
void GraphingWindow::zoomIn()
{
QCPRange xrange = ui->graphingView->xAxis->range();
QCPRange yrange = ui->graphingView->yAxis->range();
if (ui->graphingView->xAxis->selectedParts().testFlag(QCPAxis::spAxis))
{
ui->graphingView->xAxis->scaleRange(0.666, xrange.center());
}
else if (ui->graphingView->yAxis->selectedParts().testFlag(QCPAxis::spAxis))
{
ui->graphingView->yAxis->scaleRange(0.666, yrange.center());
}
else
{
ui->graphingView->xAxis->scaleRange(0.666, xrange.center());
ui->graphingView->yAxis->scaleRange(0.666, yrange.center());
}
ui->graphingView->replot();
}
void GraphingWindow::zoomOut()
{
QCPRange xrange = ui->graphingView->xAxis->range();
QCPRange yrange = ui->graphingView->yAxis->range();
if (ui->graphingView->xAxis->selectedParts().testFlag(QCPAxis::spAxis))
{
ui->graphingView->xAxis->scaleRange(1.5, xrange.center());
}
else if (ui->graphingView->yAxis->selectedParts().testFlag(QCPAxis::spAxis))
{
ui->graphingView->yAxis->scaleRange(1.5, yrange.center());
}
else
{
ui->graphingView->xAxis->scaleRange(1.5, xrange.center());
ui->graphingView->yAxis->scaleRange(1.5, yrange.center());
}
ui->graphingView->replot();
}
void GraphingWindow::removeSelectedGraph()
{
if (ui->graphingView->selectedGraphs().size() > 0)
{
int idx = -1;
for (int i = 0; i < graphParams.count(); i++)
{
if (graphParams[i].ref == ui->graphingView->selectedGraphs().first())
{
idx = i;
break;
}
}
graphParams.removeAt(idx);
ui->graphingView->removeGraph(ui->graphingView->selectedGraphs().first());
if (graphParams.count() == 0) needScaleSetup = true;
ui->graphingView->replot();
}
}
void GraphingWindow::editSelectedGraph()
{
if (ui->graphingView->selectedGraphs().size() > 0)
{
int idx = -1;
for (int i = 0; i < graphParams.count(); i++)
{
if (graphParams[i].ref == ui->graphingView->selectedGraphs().first())
{
idx = i;
break;
}
}
qDebug() << "Selected index for editing: " << idx;
showParamsDialog(idx);
//ui->graphingView->replot();
}
}
void GraphingWindow::removeAllGraphs()
{
QMessageBox::StandardButton confirmDialog;
confirmDialog = QMessageBox::question(this, "Really?", "Remove all graphs?",
QMessageBox::Yes|QMessageBox::No);
if (confirmDialog == QMessageBox::Yes) {
ui->graphingView->clearGraphs();
graphParams.clear();
needScaleSetup = true;
ui->graphingView->replot();
}
}
void GraphingWindow::contextMenuRequest(QPoint pos)
{
QMenu *menu = new QMenu(this);
menu->setAttribute(Qt::WA_DeleteOnClose);
if (ui->graphingView->legend->selectTest(pos, false) >= 0) // context menu on legend requested
{
menu->addAction(tr("Move to top left"), this, SLOT(moveLegend()))->setData((int)(Qt::AlignTop|Qt::AlignLeft));
menu->addAction(tr("Move to top center"), this, SLOT(moveLegend()))->setData((int)(Qt::AlignTop|Qt::AlignHCenter));
menu->addAction(tr("Move to top right"), this, SLOT(moveLegend()))->setData((int)(Qt::AlignTop|Qt::AlignRight));
menu->addAction(tr("Move to bottom right"), this, SLOT(moveLegend()))->setData((int)(Qt::AlignBottom|Qt::AlignRight));
menu->addAction(tr("Move to bottom left"), this, SLOT(moveLegend()))->setData((int)(Qt::AlignBottom|Qt::AlignLeft));
}
else // general context menu on graphs requested
{
menu->addAction(tr("Save graph image to file"), this, SLOT(saveGraphs()));
menu->addAction(tr("Save graph definitions to file"), this, SLOT(saveDefinitions()));
menu->addAction(tr("Load graph definitions from file"), this, SLOT(loadDefinitions()));
menu->addAction(tr("Save spreadsheet of data"), this, SLOT(saveSpreadsheet()));
menu->addAction(tr("Add new graph"), this, SLOT(addNewGraph()));
if (ui->graphingView->selectedGraphs().size() > 0)
{
menu->addSeparator();
menu->addAction(tr("Edit selected graph"), this, SLOT(editSelectedGraph()));
menu->addAction(tr("Remove selected graph"), this, SLOT(removeSelectedGraph()));
}
if (ui->graphingView->graphCount() > 0)
{
menu->addSeparator();
menu->addAction(tr("Remove all graphs"), this, SLOT(removeAllGraphs()));
}
menu->addSeparator();
menu->addAction(tr("Reset View"), this, SLOT(resetView()));
menu->addAction(tr("Zoom In"), this, SLOT(zoomIn()));
menu->addAction(tr("Zoom Out"), this, SLOT(zoomOut()));
}
menu->popup(ui->graphingView->mapToGlobal(pos));
}
void GraphingWindow::saveGraphs()
{
QString filename;
QFileDialog dialog(this);
QStringList filters;
filters.append(QString(tr("PDF Files (*.pdf)")));
filters.append(QString(tr("PNG Files (*.png)")));
filters.append(QString(tr("JPEG Files (*.jpg)")));
dialog.setFileMode(QFileDialog::AnyFile);
dialog.setNameFilters(filters);
dialog.setViewMode(QFileDialog::Detail);
dialog.setAcceptMode(QFileDialog::AcceptSave);
if (dialog.exec() == QDialog::Accepted)
{
filename = dialog.selectedFiles()[0];
if (dialog.selectedNameFilter() == filters[0])
{
if (!filename.contains('.')) filename += ".pdf";
ui->graphingView->savePdf(filename, true, 0, 0);
}
if (dialog.selectedNameFilter() == filters[1])
{
if (!filename.contains('.')) filename += ".png";
ui->graphingView->savePng(filename, 0, 0);
}
if (dialog.selectedNameFilter() == filters[2])
{
if (!filename.contains('.')) filename += ".jpg";
ui->graphingView->saveJpg(filename, 0, 0);
}
}
}
void GraphingWindow::saveSpreadsheet()
{
QString filename;
QFileDialog dialog(this);
QStringList filters;
filters.append(QString(tr("Spreadsheet (*.csv)")));
dialog.setFileMode(QFileDialog::AnyFile);
dialog.setNameFilters(filters);
dialog.setViewMode(QFileDialog::Detail);
dialog.setAcceptMode(QFileDialog::AcceptSave);
if (dialog.exec() == QDialog::Accepted)
{
filename = dialog.selectedFiles()[0];
if (!filename.contains('.')) filename += ".csv";
QFile *outFile = new QFile(filename);
if (!outFile->open(QIODevice::WriteOnly | QIODevice::Text))
return;
/*
* save some data
* The problem here is that we've got X number of graphs that all have different
* timestamps but a spreadsheet would be best if each graph were taken at the same slice
* such that you have a list of slices with the value of each graph at that slice.
*
* But, for now export each graph in turn with the proper timestamp for each piece of data
* and a reference for which graph it came from. This is better than nothing.
*/
QList<GraphParams>::iterator iter;
double xMin = 1000000000, xMax=-1000000000;
int maxCount = 0;
int numGraphs = 0;
for (iter = graphParams.begin(); iter != graphParams.end(); ++iter)
{
if (iter->x[0] < xMin) xMin = iter->x[0];
if (iter->x[iter->x.count() - 1] > xMax) xMax = iter->x[iter->x.count() - 1];
if (maxCount < iter->x.count()) maxCount = iter->x.count();
numGraphs++;
}
qDebug() << "xMin: " << xMin;
qDebug() << "xMax: " << xMax;
qDebug() << "MaxCount: " << maxCount;
//The idea now is to iterate from xMin to xMax slicing all graphs up into MaxCount slices.
//But, actually, don't visit actual xMin or xMax, inset from there by one slice. Then, if
//a given graph doesn't exist there use the value from the nearest place that does exist.
double xSize = xMax - xMin;
double sliceSize = xSize / ((double)maxCount);
double equivValue = sliceSize / 100.0;
double currentX;
double value;
QList<int> indices;
indices.reserve(numGraphs);
outFile->write("TimeStamp");
for (int zero = 0; zero < numGraphs; zero++)
{
indices.append(0);
outFile->putChar(',');
outFile->write(graphParams[zero].graphName.toUtf8());
}
outFile->write("\n");
for (int j = 1; j < (maxCount - 1); j++)
{
currentX = xMin + (j * sliceSize);
outFile->write(QString::number(currentX).toUtf8());
for (int k = 0; k < graphParams.count(); k++)
{
value = 0.0;
//five possibilities.
//1: we're at the beginning for this graph but the slice is before this graph even starts
if (indices[k] == 0 && graphParams[k].x[indices[k]] > currentX)
{
value = graphParams[k].y[indices[k]];
}
//2: The opposite, we're at the end of this graph but the slices keep going
else if (indices[k] == (graphParams[k].x.count() - 1) && graphParams[k].x[indices[k]] < currentX)
{
value = graphParams[k].y[indices[k]];
}
//3: the slice is right near the current value we're at for this graph
else if (fabs(graphParams[k].x[indices[k]] - currentX) < equivValue)
{
value = graphParams[k].y[indices[k]];
}
//4: the slice is right next to the next value for this graph
else if (fabs(graphParams[k].x[indices[k] + 1] - currentX) < equivValue)
{
value = graphParams[k].y[indices[k] + 1];
}
//5: it's somewhere in between two values for this graph
//the two values will be indices[k] and indices[k] + 1
else
{
double span = graphParams[k].x[indices[k] + 1] - graphParams[k].x[indices[k]];
double progress = (currentX - graphParams[k].x[indices[k]]) / span;
value = Utility::Lerp(graphParams[k].y[indices[k]], graphParams[k].y[indices[k] + 1], progress);
}
if (currentX >= graphParams[k].x[indices[k] + 1]) indices[k]++;
outFile->putChar(',');
outFile->write(QString::number(value).toUtf8());
}
outFile->write("\n");
}
outFile->close();
}
}
void GraphingWindow::saveDefinitions()
{
QString filename;
QFileDialog dialog(this);
QStringList filters;
filters.append(QString(tr("Graph definition (*.gdf)")));
dialog.setFileMode(QFileDialog::AnyFile);
dialog.setNameFilters(filters);
dialog.setViewMode(QFileDialog::Detail);
dialog.setAcceptMode(QFileDialog::AcceptSave);
if (dialog.exec() == QDialog::Accepted)
{
filename = dialog.selectedFiles()[0];
if (!filename.contains('.')) filename += ".gdf";
QFile *outFile = new QFile(filename);
if (!outFile->open(QIODevice::WriteOnly | QIODevice::Text))
return;
QList<GraphParams>::iterator iter;
for (iter = graphParams.begin(); iter != graphParams.end(); ++iter)
{
outFile->write(QString::number(iter->ID, 16).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->mask, 16).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->startByte).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->endByte).toUtf8());
outFile->putChar(',');
if (iter->isSigned) outFile->putChar('Y');
else outFile->putChar('N');
outFile->putChar(',');
outFile->write(QString::number(iter->bias).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->scale).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->stride).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->color.red()).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->color.green()).toUtf8());
outFile->putChar(',');
outFile->write(QString::number(iter->color.blue()).toUtf8());
outFile->putChar(',');
outFile->write(iter->graphName.toUtf8());
outFile->write("\n");
}
outFile->close();
}
}
void GraphingWindow::loadDefinitions()
{
QString filename;
QFileDialog dialog;
QStringList filters;
filters.append(QString(tr("Graph definition (*.gdf)")));
dialog.setFileMode(QFileDialog::ExistingFile);
dialog.setNameFilters(filters);
dialog.setViewMode(QFileDialog::Detail);
if (dialog.exec() == QDialog::Accepted)
{
filename = dialog.selectedFiles()[0];
QFile *inFile = new QFile(filename);
QByteArray line;
if (!inFile->open(QIODevice::ReadOnly | QIODevice::Text))
return;
while (!inFile->atEnd()) {
line = inFile->readLine().simplified();
if (line.length() > 2)
{
GraphParams gp;
QList<QByteArray> tokens = line.split(',');
gp.ID = tokens[0].toInt(NULL, 16);
gp.mask = tokens[1].toULongLong(NULL, 16);
qDebug() << gp.mask;
gp.startByte = tokens[2].toInt();
gp.endByte = tokens[3].toInt();
if (tokens[4] == "Y") gp.isSigned = true;
else gp.isSigned = false;
gp.bias = tokens[5].toFloat();
gp.scale = tokens[6].toFloat();
gp.stride = tokens[7].toInt();
gp.color.setRed(tokens[8].toInt());
gp.color.setGreen(tokens[9].toInt());
gp.color.setBlue(tokens[10].toInt());
if (tokens.length() > 11)
gp.graphName = tokens[11];
else
gp.graphName = QString();
createGraph(gp, true);
}
}
inFile->close();
}
}
void GraphingWindow::showParamsDialog(int idx = -1)
{
NewGraphDialog *thisDialog = new NewGraphDialog(dbcHandler);
if (idx > -1)
{
thisDialog->setParams(graphParams[idx]);
}
else thisDialog->clearParams();
if (thisDialog->exec() == QDialog::Accepted)
{
if (idx > -1) //if there was an existing graph then delete it
{
graphParams.removeAt(idx);
ui->graphingView->removeGraph(idx);
}
//create a new graph with the returned parameters.
GraphParams params;
thisDialog->getParams(params);
createGraph(params);
}
delete thisDialog;
}
void GraphingWindow::addNewGraph()
{
showParamsDialog(-1);
}
void GraphingWindow::appendToGraph(GraphParams &params, CANFrame &frame)
{
int64_t tempVal; //64 bit temp value.
if (params.endByte == -1 || params.startByte == params.endByte)
{
tempVal = (frame.data[params.startByte] & params.mask);
if (params.isSigned && tempVal > 127)
{
tempVal = tempVal - 256;
}
if (secondsMode)
{
params.x.append((double)(frame.timestamp) / 1000000.0 - params.xbias);
}
else
{
params.x.append(frame.timestamp - params.xbias);
}
params.y.append((tempVal * params.scale) + params.bias);
}
else if (params.endByte > params.startByte) //big endian
{
float tempValue;
int64_t tempValInt;
int numBytes = (params.endByte - params.startByte) + 1;
int64_t shiftRef = 1 << (numBytes * 8);
uint64_t maskShifter;
uint8_t tempByte;
tempValInt = 0;
int64_t expon = 1;
maskShifter = params.mask;
for (int c = 0; c < numBytes; c++)
{
tempByte = frame.data[params.endByte - c];
tempByte &= maskShifter;
tempValInt += (tempByte * expon);
expon *= 256;
maskShifter = maskShifter >> 8;
}
tempValInt &= params.mask;
int64_t twocompPoint = params.mask;
if (shiftRef < twocompPoint || twocompPoint == -1) twocompPoint = shiftRef;
//qDebug() << "two comp point: " << twocompPoint;
if (params.isSigned && tempValInt > ((twocompPoint / 2)))
{
tempValInt = tempValInt - twocompPoint;
}
tempValue = (float)tempValInt;
if (secondsMode)
{
params.x.append((double)(frame.timestamp) / 1000000.0 - params.xbias);
}
else
{
params.x.append(frame.timestamp - params.xbias);
}
params.y.append((tempValue * params.scale) + params.bias);
}
else //little endian
{
float tempValue;
int64_t tempValInt;
int numBytes = (params.startByte - params.endByte) + 1;
int64_t shiftRef = 1 << (numBytes * 8);
uint64_t maskShifter;
uint8_t tempByte;
tempValInt = 0;
int64_t expon = 1;
maskShifter = params.mask;
for (int c = 0; c < numBytes; c++)
{
tempByte = frame.data[params.endByte + c];
tempByte &= maskShifter;
tempValInt += tempByte * expon;
expon *= 256;
maskShifter = maskShifter >> 8;
}
tempValInt &= params.mask;
int64_t twocompPoint = params.mask;
if (shiftRef < twocompPoint || twocompPoint == -1) twocompPoint = shiftRef;
//qDebug() << "two comp point: " << twocompPoint;
if (params.isSigned && tempValInt > ((twocompPoint / 2)))
{
tempValInt = tempValInt - twocompPoint;
}
tempValue = (float)tempValInt;
if (secondsMode)
{
params.x.append((double)(frame.timestamp) / 1000000.0 - params.xbias);
}
else
{
params.x.append(frame.timestamp - params.xbias);
}
params.y.append((tempValue * params.scale) + params.bias);
}
params.ref->setData(params.x,params.y);
}
void GraphingWindow::createGraph(GraphParams &params, bool createGraphParam)
{
int64_t tempVal; //64 bit temp value.
float yminval=10000000.0, ymaxval = -1000000.0;
float xminval=10000000000.0, xmaxval = -10000000000.0;
GraphParams *refParam = &params;
qDebug() << "New Graph ID: " << params.ID;
qDebug() << "Start byte: " << params.startByte;
qDebug() << "End Byte: " << params.endByte;
qDebug() << "Mask: " << params.mask;
frameCache.clear();
for (int i = 0; i < modelFrames->count(); i++)
{
CANFrame thisFrame = modelFrames->at(i);
if (thisFrame.ID == params.ID) frameCache.append(thisFrame);
}
int numEntries = frameCache.count() / params.stride;
params.x.reserve(numEntries);
params.y.reserve(numEntries);
params.x.fill(0, numEntries);
params.y.fill(0, numEntries);
if (params.endByte == -1 || params.startByte == params.endByte)
{
for (int j = 0; j < numEntries; j++)
{
tempVal = (frameCache[j * params.stride].data[params.startByte] & params.mask);
if (params.isSigned && tempVal > 127)
{
tempVal = tempVal - 256;
}
if (secondsMode)
{
params.x[j] = (double)(frameCache[j].timestamp) / 1000000.0;
}
else
{
params.x[j] = frameCache[j].timestamp;
}
params.y[j] = (tempVal * params.scale) + params.bias;
if (params.y[j] < yminval) yminval = params.y[j];
if (params.y[j] > ymaxval) ymaxval = params.y[j];
if (params.x[j] < xminval) xminval = params.x[j];
if (params.x[j] > xmaxval) xmaxval = params.x[j];
}
}
else if (params.endByte > params.startByte) //big endian
{
float tempValue;
int64_t tempValInt;
int numBytes = (params.endByte - params.startByte) + 1;
int64_t shiftRef = (uint64_t)1 << (numBytes * 8);
uint64_t maskShifter;
uint8_t tempByte;
for (int j = 0; j < numEntries; j++)
{
tempValInt = 0;
int64_t expon = 1;
maskShifter = params.mask;
for (int c = 0; c < numBytes; c++)
{
tempByte = frameCache[j * params.stride].data[params.endByte - c];
tempByte &= maskShifter;
tempValInt += (tempByte * expon);
expon *= 256;
maskShifter = maskShifter >> 8;
}
tempValInt &= params.mask;
int64_t twocompPoint = params.mask;
if (shiftRef < twocompPoint || twocompPoint == -1) twocompPoint = shiftRef;
//qDebug() << "two comp point: " << twocompPoint;
if (params.isSigned && tempValInt > ((twocompPoint / 2)))
{
tempValInt = tempValInt - twocompPoint;
}
tempValue = (float)tempValInt;
if (secondsMode)
{
params.x[j] = (double)(frameCache[j].timestamp) / 1000000.0;
}
else
{
params.x[j] = frameCache[j].timestamp;
}
params.y[j] = (tempValue * params.scale) + params.bias;
if (params.y[j] < yminval) yminval = params.y[j];
if (params.y[j] > ymaxval) ymaxval = params.y[j];
if (params.x[j] < xminval) xminval = params.x[j];
if (params.x[j] > xmaxval) xmaxval = params.x[j];
}
}
else //little endian
{
float tempValue;
int64_t tempValInt;
int numBytes = (params.startByte - params.endByte) + 1;
int64_t shiftRef = (uint64_t)1 << (numBytes * 8);
uint64_t maskShifter;
uint8_t tempByte;
for (int j = 0; j < numEntries; j++)
{
tempValInt = 0;
int64_t expon = 1;
maskShifter = params.mask;
for (int c = 0; c < numBytes; c++)
{
tempByte = frameCache[j * params.stride].data[params.endByte + c];
tempByte &= maskShifter;
tempValInt += tempByte * expon;
expon *= 256;
maskShifter = maskShifter >> 8;
}
tempValInt &= params.mask;
int64_t twocompPoint = params.mask;
if (shiftRef < twocompPoint || twocompPoint == -1) twocompPoint = shiftRef;
//qDebug() << "two comp point: " << twocompPoint;
if (params.isSigned && tempValInt > ((twocompPoint / 2)))
{
tempValInt = tempValInt - twocompPoint;
}
tempValue = (float)tempValInt;
if (secondsMode)
{
params.x[j] = (double)(frameCache[j].timestamp) / 1000000.0;
}
else
{
params.x[j] = frameCache[j].timestamp;
}
params.y[j] = (tempValue * params.scale) + params.bias;
if (params.y[j] < yminval) yminval = params.y[j];
if (params.y[j] > ymaxval) ymaxval = params.y[j];
if (params.x[j] < xminval) xminval = params.x[j];
if (params.x[j] > xmaxval) xmaxval = params.x[j];
}
}
params.xbias = 0;
/*
for (int ct = 0; ct < params.x.count(); ct++)
{
params.x[ct] -= xminval;
}
params.xbias = xminval;
xmaxval -= xminval;
xminval = 0;
*/
ui->graphingView->addGraph();
params.ref = ui->graphingView->graph();
if (createGraphParam)
{
graphParams.append(params);
refParam = &graphParams.last();
}
ui->graphingView->graph()->setSelectedBrush(Qt::NoBrush);
ui->graphingView->graph()->setSelectedPen(selectedPen);
if (params.graphName == NULL || params.graphName.length() == 0)
{
params.graphName = QString("0x") + QString::number(params.ID, 16) + ":" + QString::number(params.startByte);
if ((params.endByte != -1) && (params.endByte != params.startByte)) params.graphName += "-" + QString::number(params.endByte);
}
ui->graphingView->graph()->setName(params.graphName);
ui->graphingView->graph()->setProperty("id", params.ID);
ui->graphingView->graph()->setData(refParam->x,refParam->y);
ui->graphingView->graph()->setLineStyle(QCPGraph::lsLine); //connect points with lines
QPen graphPen;
graphPen.setColor(params.color);
graphPen.setWidth(1);
ui->graphingView->graph()->setPen(graphPen);
qDebug() << "xmin: " << xminval;
qDebug() << "xmax: " << xmaxval;
qDebug() << "ymin: " << yminval;
qDebug() << "ymax: " << ymaxval;
if (needScaleSetup)
{
needScaleSetup = false;
ui->graphingView->xAxis->setRange(xminval, xmaxval);
ui->graphingView->yAxis->setRange(yminval, ymaxval);
ui->graphingView->axisRect()->setupFullAxesBox();
}
ui->graphingView->replot();
}
void GraphingWindow::moveLegend()
{
if (QAction* contextAction = qobject_cast<QAction*>(sender())) // make sure this slot is really called by a context menu action, so it carries the data we need
{
bool ok;
int dataInt = contextAction->data().toInt(&ok);
if (ok)
{
ui->graphingView->axisRect()->insetLayout()->setInsetAlignment(0, (Qt::Alignment)dataInt);
ui->graphingView->replot();
}
}
}
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