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Fix segfaults when add to graphing window for signal not found in DBC

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This commit is contained in:
Matthias Kelch
2021-09-27 17:52:30 +02:00
parent 37b9c821e5
commit 31c26a7df0
1 changed files with 38 additions and 18 deletions
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mainwindow.cpp
+38 -18
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@@ -535,6 +535,7 @@ void MainWindow::setupAddToNewGraph()
setupSendToLatestGraphWindow(); //then call the other function to finish
}
void MainWindow::setupSendToLatestGraphWindow()
{
if (!lastGraphingWindow) showGraphingWindow();
@@ -542,26 +543,45 @@ void MainWindow::setupSendToLatestGraphWindow()
QString signalName = getSignalNameFromPosition(contextMenuPosition);
param.ID = getMessageIDFromPosition(contextMenuPosition);
DBC_MESSAGE *msg = dbcHandler->findMessageForFilter(param.ID, nullptr);
DBC_SIGNAL *sig = msg->sigHandler->findSignalByName(signalName);
param.associatedSignal = sig;
param.bias = sig->bias;
param.intelFormat = sig->intelByteOrder;
param.isSigned = sig->valType == SIGNED_INT ? true : false;
param.numBits = sig->signalSize;
param.scale = sig->factor;
param.startBit = sig->startBit;
param.stride = 1;
param.graphName = sig->name;
param.lineColor = QColor(QRandomGenerator::global()->bounded(160), QRandomGenerator::global()->bounded(160), QRandomGenerator::global()->bounded(160));
param.lineWidth = 1;
param.fillColor = QColor(128, 128, 128, 0);
param.mask = 0xFFFFFFFFFFFFFFFFull;
param.drawOnlyPoints = false;
param.pointType = 0;
if(msg)
{
DBC_SIGNAL *sig = msg->sigHandler->findSignalByName(signalName);
if(sig)
{
param.associatedSignal = sig;
param.bias = sig->bias;
param.intelFormat = sig->intelByteOrder;
param.isSigned = sig->valType == SIGNED_INT ? true : false;
param.numBits = sig->signalSize;
param.scale = sig->factor;
param.startBit = sig->startBit;
param.stride = 1;
param.graphName = sig->name;
param.lineColor = QColor(QRandomGenerator::global()->bounded(160), QRandomGenerator::global()->bounded(160), QRandomGenerator::global()->bounded(160));
param.lineWidth = 1;
param.fillColor = QColor(128, 128, 128, 0);
param.mask = 0xFFFFFFFFFFFFFFFFull;
param.drawOnlyPoints = false;
param.pointType = 0;
lastGraphingWindow->createGraph(param); //add the new graph to the window
lastGraphingWindow->createGraph(param); //add the new graph to the window
}
else
{
QMessageBox msgbox;
QString boxmsg = "Cannot find ID 0x" + QStringLiteral("%1").arg(param.ID, 3, 16, QLatin1Char('0')) + " in DBC message " + msg->name + ". Not adding graph.";
msgbox.setText(boxmsg);
msgbox.exec();
}
}
else
{
QMessageBox msgbox;
QString boxmsg = "Cannot find ID 0x" + QStringLiteral("%1").arg(param.ID, 3, 16, QLatin1Char('0')) + " in DBC file(s). Not adding graph.";
msgbox.setText(boxmsg);
msgbox.exec();
}
}
void MainWindow::interpretToggled(bool state)
{
model->setInterpretMode(state);