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giesCANne/dbc/dbcmaineditor.cpp
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#include "dbcmaineditor.h"
#include "ui_dbcmaineditor.h"
#include <QMenu>
#include <QMessageBox>
#include <QSettings>
#include <QColorDialog>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QHeaderView>
#include <QVBoxLayout>
#include <QLabel>
#include <QCheckBox>
#include <QSet>
#include <QPalette>
#include <QRandomGenerator>
#include <qevent.h>
#include <algorithm>
#include "helpwindow.h"
DBCMainEditor::DBCMainEditor( const QVector<CANFrame> *frames, QWidget *parent) :
QDialog(parent),
ui(new Ui::DBCMainEditor)
{
ui->setupUi(this);
readSettings();
dbcHandler = DBCHandler::getReference();
referenceFrames = frames;
ui->treeDBC->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->btnSearch, &QAbstractButton::clicked, this, &DBCMainEditor::handleSearch);
connect(ui->lineSearch, &QLineEdit::returnPressed, this, &DBCMainEditor::handleSearch);
connect(ui->btnSearchNext, &QAbstractButton::clicked, this, &DBCMainEditor::handleSearchForward);
connect(ui->btnSearchPrev, &QAbstractButton::clicked, this, &DBCMainEditor::handleSearchBackward);
connect(ui->treeDBC, &QTreeWidget::doubleClicked, this, &DBCMainEditor::onTreeDoubleClicked);
connect(ui->treeDBC, &QTreeWidget::customContextMenuRequested, this, &DBCMainEditor::onTreeContextMenu);
connect(ui->treeDBC, &QTreeWidget::currentItemChanged, this, &DBCMainEditor::currentItemChanged);
connect(ui->btnDelete, &QAbstractButton::clicked, this, &DBCMainEditor::deleteCurrentTreeItem);
connect(ui->btnNewNode, &QAbstractButton::clicked, this, QOverload<>::of(&DBCMainEditor::newNode));
connect(ui->btnNewMessage, &QAbstractButton::clicked, this, &DBCMainEditor::newMessage);
connect(ui->btnNewSignal, &QAbstractButton::clicked, this, &DBCMainEditor::newSignal);
connect(ui->btnUsedIDs, &QAbstractButton::clicked, this, &DBCMainEditor::showUsedIDs);
sigEditor = new DBCSignalEditor(this);
msgEditor = new DBCMessageEditor(this);
nodeEditor = new DBCNodeEditor(this);
nodeRebaseEditor = new DBCNodeRebaseEditor(this);
nodeDuplicateEditor = new DBCNodeDuplicateEditor(this);
//all three might potentially change the data stored and force the tree to be updated
connect(sigEditor, &DBCSignalEditor::updatedTreeInfo, this, &DBCMainEditor::updatedSignal);
connect(msgEditor, &DBCMessageEditor::updatedTreeInfo, this, &DBCMainEditor::updatedMessage);
connect(nodeEditor, &DBCNodeEditor::updatedTreeInfo, this, &DBCMainEditor::updatedNode);
connect(nodeRebaseEditor, &DBCNodeRebaseEditor::updatedTreeInfo, this, &DBCMainEditor::updatedMessage);
connect(nodeDuplicateEditor, &DBCNodeDuplicateEditor::updatedTreeInfo, this, &DBCMainEditor::updatedMessage);
connect(nodeDuplicateEditor, &DBCNodeDuplicateEditor::createNode, this, QOverload<QString>::of(&DBCMainEditor::newNode));
connect(nodeDuplicateEditor, &DBCNodeDuplicateEditor::cloneMessageToNode, this, &DBCMainEditor::copyMessageToNode);
connect(nodeDuplicateEditor, &DBCNodeDuplicateEditor::nodeAdded, this, &DBCMainEditor::refreshTree);
nodeIcon = QIcon(":/icons/images/node.png");
messageIcon = QIcon(":/icons/images/message.png");
signalIcon = QIcon(":/icons/images/signal.png");
multiplexedSignalIcon = QIcon(":/icons/images/multiplexed-signal.png");
multiplexorSignalIcon = QIcon(":/icons/images/multiplexor-signal.png");
//ui->btnDelete->setFixedSize(32,32);
ui->btnDelete->setIconSize(QSize(32, 32));
//ui->btnNewNode->setFixedSize(32,32);
ui->btnNewNode->setIconSize(QSize(32, 32));
//ui->btnNewMessage->setFixedSize(32,32);
ui->btnNewMessage->setIconSize(QSize(32, 32));
//ui->btnNewSignal->setFixedSize(32,32);
ui->btnNewSignal->setIconSize(QSize(32, 32));
ui->btnUsedIDs->setIconSize(QSize(32, 32));
installEventFilter(this);
}
void DBCMainEditor::showEvent(QShowEvent* event)
{
QDialog::showEvent(event);
refreshTree();
}
DBCMainEditor::~DBCMainEditor()
{
removeEventFilter(this);
delete ui;
delete sigEditor;
delete msgEditor;
delete nodeEditor;
}
bool DBCMainEditor::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::KeyRelease) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
switch (keyEvent->key())
{
case Qt::Key_F1:
HelpWindow::getRef()->showHelp("dbc_editor.md");
break;
case Qt::Key_F3:
handleSearchForward();
break;
case Qt::Key_F4:
handleSearchBackward();
break;
case Qt::Key_F5:
newNode();
break;
case Qt::Key_F6:
newMessage();
break;
case Qt::Key_F7:
newSignal();
break;
case Qt::Key_Delete:
deleteCurrentTreeItem();
}
return true;
} else {
// standard event processing
return QObject::eventFilter(obj, event);
}
return false;
}
void DBCMainEditor::setFileIdx(int idx)
{
if (idx < 0 || idx > dbcHandler->getFileCount() - 1) return;
dbcFile = dbcHandler->getFileByIdx(idx);
fileIdx = idx;
}
void DBCMainEditor::closeEvent(QCloseEvent *event)
{
Q_UNUSED(event)
writeSettings();
sigEditor->close();
}
void DBCMainEditor::readSettings()
{
QSettings settings;
if (settings.value("Main/SaveRestorePositions", false).toBool())
{
resize(settings.value("DBCMainEditor/WindowSize", QSize(1103, 571)).toSize());
move(Utility::constrainedWindowPos(settings.value("DBCMainEditor/WindowPos", QPoint(50, 50)).toPoint()));
}
}
void DBCMainEditor::writeSettings()
{
QSettings settings;
if (settings.value("Main/SaveRestorePositions", false).toBool())
{
settings.setValue("DBCMainEditor/WindowSize", size());
settings.setValue("DBCMainEditor/WindowPos", pos());
}
}
void DBCMainEditor::onCustomMenuTree(QPoint point)
{
Q_UNUSED(point);
QMenu *menu = new QMenu(this);
menu->setAttribute(Qt::WA_DeleteOnClose);
menu->addAction(tr("Delete currently selected message"), this, SLOT(deleteCurrentMessage()));
//menu->popup(ui->MessagesTable->mapToGlobal(point));
}
void DBCMainEditor::handleSearch()
{
searchItems = ui->treeDBC->findItems(ui->lineSearch->text(),Qt::MatchContains | Qt::MatchRecursive);
qDebug() << "Search returned " << searchItems.count() << "items.";
if (searchItems.count() > 0)
{
ui->treeDBC->setCurrentItem(searchItems[0]);
searchItemPos = 0;
ui->lblSearchPos->setText("Search Results: " + QString::number(searchItemPos + 1) + " of " + QString::number(searchItems.count()));
}
else
{
ui->lblSearchPos->setText("Search Results: 0 of 0");
}
}
void DBCMainEditor::handleSearchForward()
{
if (searchItems.count() == 0) return;
if (searchItemPos < searchItems.count() - 1) searchItemPos++;
else searchItemPos = 0;
ui->treeDBC->setCurrentItem(searchItems[searchItemPos]);
ui->lblSearchPos->setText("Search Results: " + QString::number(searchItemPos + 1) + " of " + QString::number(searchItems.count()));
}
void DBCMainEditor::handleSearchBackward()
{
if (searchItems.count() == 0) return;
if (searchItemPos > 0) searchItemPos--;
else searchItemPos = searchItems.count() - 1;
ui->treeDBC->setCurrentItem(searchItems[searchItemPos]);
ui->lblSearchPos->setText("Search Results: " + QString::number(searchItemPos + 1) + " of " + QString::number(searchItems.count()));
}
void DBCMainEditor::currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *prev)
{
Q_UNUSED(prev)
if (!current)
{
ui->btnNewMessage->setEnabled(false);
ui->btnNewSignal->setEnabled(false);
ui->btnDelete->setEnabled(false);
return;
}
switch (current->data(0, Qt::UserRole).toInt())
{
case DBCItemTypes::NODE: //node
ui->btnNewNode->setEnabled(true);
ui->btnNewMessage->setEnabled(true);
ui->btnNewSignal->setEnabled(false);
ui->btnDelete->setEnabled(true);
break;
case DBCItemTypes::MESG: //message
ui->btnNewNode->setEnabled(true);
ui->btnNewMessage->setEnabled(true);
ui->btnNewSignal->setEnabled(true);
ui->btnDelete->setEnabled(true);
break;
case DBCItemTypes::SIG: //signal
ui->btnNewNode->setEnabled(true);
ui->btnNewMessage->setEnabled(true);
ui->btnNewSignal->setEnabled(true);
ui->btnDelete->setEnabled(true);
break;
default:
ui->btnNewMessage->setEnabled(false);
ui->btnNewSignal->setEnabled(false);
ui->btnDelete->setEnabled(false);
}
}
uint32_t DBCMainEditor::getParentMessageID(QTreeWidgetItem *cell)
{
if (cell->data(0, Qt::UserRole) == DBCItemTypes::MESG)
{
return static_cast<uint32_t>(Utility::ParseStringToNum(cell->text(0).split(" ")[0]));
}
else
{
if (cell->parent()) return getParentMessageID(cell->parent());
else return 0;
}
}
//Double clicking is interpreted as a desire to edit the given item.
void DBCMainEditor::onTreeDoubleClicked(const QModelIndex &index)
{
Q_UNUSED(index)
QTreeWidgetItem* firstCol = ui->treeDBC->currentItem();
//bool ret = false;
DBC_MESSAGE *msg;
DBC_SIGNAL *sig;
DBC_NODE *node;
uint32_t msgID;
QString idString;
qDebug() << firstCol->data(0, Qt::UserRole) << " - " << firstCol->text(0);
switch (firstCol->data(0, Qt::UserRole).toInt())
{
case DBCItemTypes::NODE: //a node
idString = firstCol->text(0).split(" ")[0];
node = dbcFile->findNodeByName(idString);
nodeEditor->setFileIdx(fileIdx);
nodeEditor->setNodeRef(node);
nodeEditor->refreshView();
nodeEditor->show();
break;
case DBCItemTypes::MESG: //a message
idString = firstCol->text(0).split(" ")[0];
msgID = static_cast<uint32_t>(Utility::ParseStringToNum(idString));
msg = dbcFile->messageHandler->findMsgByID(msgID);
msgEditor->setMessageRef(msg);
msgEditor->setFileIdx(fileIdx);
//msgEditor->setWindowModality(Qt::WindowModal);
msgEditor->refreshView();
msgEditor->show(); //show allows the rest of the forms to keep going
break;
case DBCItemTypes::SIG: //a signal
msgID = getParentMessageID(firstCol);
msg = dbcFile->messageHandler->findMsgByID(msgID);
QString nameString = firstCol->text(0);
if (nameString.contains("("))
{
nameString = nameString.split(")")[1].trimmed(); //remove (1-2) type stuff from beginning of string
}
nameString = nameString.split(" ")[0]; //get rid of [32m 8] type stuff after the name
sig = msg->sigHandler->findSignalByName(nameString);
if (sig)
{
sigEditor->setSignalRef(sig);
sigEditor->setMessageRef(msg);
sigEditor->setFileIdx(fileIdx);
//sigEditor->setWindowModality(Qt::WindowModal);
sigEditor->refreshView();
sigEditor->show();
}
break;
}
}
void DBCMainEditor::onTreeContextMenu(const QPoint & pos)
{
QTreeWidgetItem* firstCol = ui->treeDBC->currentItem();
QString idString;
qDebug() << firstCol->data(0, Qt::UserRole) << " - " << firstCol->text(0);
switch (firstCol->data(0, Qt::UserRole).toInt())
{
case DBCItemTypes::NODE: //a node
idString = firstCol->text(0).split(" ")[0];
//node = dbcFile->findNodeByName(idString);
QAction *actionRebase = new QAction(QIcon(":/Resource/warning32.ico"), tr("Rebase all messages"), this);
actionRebase->setStatusTip(tr("Rebase all messages in node"));
connect(actionRebase, SIGNAL(triggered()), this, SLOT(onRebaseMessages()));
QAction *actionDupe = new QAction(QIcon(":/Resource/warning32.ico"), tr("Duplicate node"), this);
actionDupe->setStatusTip(tr("Duplicate node and messages"));
connect(actionDupe, SIGNAL(triggered()), this, SLOT(onDuplicateNode()));
QMenu menu(this);
menu.addAction(actionRebase);
menu.addAction(actionDupe);
//QPoint pt(pos);
menu.exec( ui->treeDBC->mapToGlobal(pos) );
break;
}
}
void DBCMainEditor::onRebaseMessages()
{
QTreeWidgetItem* firstCol = ui->treeDBC->currentItem();
DBC_NODE *node;
QString idString;
idString = firstCol->text(0).split(" ")[0];
node = dbcFile->findNodeByName(idString);
nodeRebaseEditor->setFileIdx(fileIdx);
nodeRebaseEditor->setNodeRef(node);
if(nodeRebaseEditor->refreshView())
{
nodeRebaseEditor->setModal(true);
nodeRebaseEditor->show();
}
}
void DBCMainEditor::onDuplicateNode()
{
QTreeWidgetItem* firstCol = ui->treeDBC->currentItem();
//bool ret = false;
//DBC_MESSAGE *msg;
//DBC_SIGNAL *sig;
//uint32_t msgID;
DBC_NODE *node;
QString idString;
idString = firstCol->text(0).split(" ")[0];
node = dbcFile->findNodeByName(idString);
nodeDuplicateEditor->setFileIdx(fileIdx);
nodeDuplicateEditor->setNodeRef(node);
if(nodeDuplicateEditor->refreshView())
{
nodeDuplicateEditor->setModal(true);
nodeDuplicateEditor->show();
}
}
/*
* Recreate the whole tree with pretty icons and custom user roles that give the rest of code an easy way to figure out whether a given tree node
* is a node, message, or signal.
*/
void DBCMainEditor::refreshTree()
{
ui->treeDBC->clear();
nodeToItem.clear();
messageToItem.clear();
signalToItem.clear();
itemToNode.clear();
itemToMessage.clear();
itemToSignal.clear();
if (dbcFile->findNodeByName("Vector__XXX") == nullptr)
{
DBC_NODE newNode;
newNode.name = "Vector__XXX";
newNode.comment = "Default node if no other node is specified";
dbcFile->dbc_nodes.append(newNode);
}
for (int n = 0; n < dbcFile->dbc_nodes.count(); n++)
{
DBC_NODE *node = &dbcFile->dbc_nodes[n];
QTreeWidgetItem *nodeItem = new QTreeWidgetItem();
QString nodeInfo = node->name;
if (node->comment.count() > 0) nodeInfo.append(" - ").append(node->comment);
nodeItem->setText(0, nodeInfo);
nodeItem->setIcon(0, nodeIcon);
nodeItem->setData(0, Qt::UserRole, DBCItemTypes::NODE);
nodeToItem.insert(node, nodeItem);
itemToNode.insert(nodeItem, node);
for (int x = 0; x < dbcFile->messageHandler->getCount(); x++)
{
DBC_MESSAGE *msg = dbcFile->messageHandler->findMsgByIdx(x);
if (msg->sender->name == node->name)
{
QTreeWidgetItem *msgItem = new QTreeWidgetItem(nodeItem);
QString msgInfo = Utility::formatCANID(msg->ID) + " " + msg->name;
if (msg->comment.count() > 0) msgInfo.append(" - ").append(msg->comment);
msgItem->setText(0, msgInfo);
msgItem->setIcon(0, messageIcon);
msgItem->setData(0, Qt::UserRole, DBCItemTypes::MESG);
messageToItem.insert(msg, msgItem);
itemToMessage.insert(msgItem, msg);
for (int i = 0; i < msg->sigHandler->getCount(); i++)
{
DBC_SIGNAL *sig = msg->sigHandler->findSignalByIdx(i);
//only process signals here which are "top" level
if (sig->multiplexParent == nullptr) processSignalToTree(msgItem, sig);
}
}
}
ui->treeDBC->addTopLevelItem(nodeItem);
}
ui->treeDBC->sortItems(0, Qt::SortOrder::AscendingOrder); //sort the display list for ease in viewing by mere mortals, helps me a lot.
}
QString DBCMainEditor::createSignalText(DBC_SIGNAL *sig)
{
QString sigInfo;
if (sig->isMultiplexed)
{
sigInfo = "(" + sig->multiplexDbcString() + ") ";
}
sigInfo.append(sig->name);
if (sig->intelByteOrder)
sigInfo.append(" [" + QString::number(sig->startBit) + "i " + QString::number(sig->signalSize) + "]");
else
sigInfo.append(" [" + QString::number(sig->startBit) + "m " + QString::number(sig->signalSize) + "]");
if (sig->comment.count() > 0) sigInfo.append(" - ").append(sig->comment);
return sigInfo;
}
//Signals can have a hierarchial relationship with other signals so this function is separate and calls itself recursively to build the tree
void DBCMainEditor::processSignalToTree(QTreeWidgetItem *parent, DBC_SIGNAL *sig)
{
QTreeWidgetSignalItem *sigItem = new QTreeWidgetSignalItem(parent);
QString sigInfo = createSignalText(sig);
sigItem->setText(0, sigInfo);
if (sig->isMultiplexor) sigItem->setIcon(0, multiplexorSignalIcon);
else if (sig->isMultiplexed) sigItem->setIcon(0, multiplexedSignalIcon);
else sigItem->setIcon(0, signalIcon);
sigItem->setData(0, Qt::UserRole, DBCItemTypes::SIG);
signalToItem.insert(sig, sigItem);
itemToSignal.insert(sigItem, sig);
if (sig->multiplexedChildren.count() > 0)
{
for (int i = 0; i < sig->multiplexedChildren.count(); i++)
{
processSignalToTree(sigItem, sig->multiplexedChildren[i]);
}
}
}
void DBCMainEditor::updatedNode(DBC_NODE *node)
{
if (nodeToItem.contains(node))
{
QTreeWidgetItem *item = nodeToItem[node];
QString nodeInfo = node->name;
if (node->comment.count() > 0) nodeInfo.append(" - ").append(node->comment);
item->setText(0, nodeInfo);
}
else qDebug() << "That node doesn't exist. That's a bug dude.";
}
void DBCMainEditor::updatedMessage(DBC_MESSAGE *msg)
{
if (messageToItem.contains(msg))
{
QTreeWidgetItem *item = messageToItem.value(msg);
QString msgInfo = Utility::formatCANID(msg->ID) + " " + msg->name;
if (msg->comment.count() > 0) msgInfo.append(" - ").append(msg->comment);
item->setText(0, msgInfo);
//editor could have changed the parent Node too. Have to figure out which node
//is parent in the GUI and compare that to parent in the data.
DBC_NODE *oldParent = dbcFile->findNodeByName(item->parent()->text(0).split(" - ")[0]);
if (oldParent != msg->sender && oldParent)
{
qDebug() << "Changed parent of message. Trying to rehome it.";
QTreeWidgetItem *newParent = nullptr;
if (nodeToItem.contains(msg->sender)) newParent = nodeToItem.value(msg->sender);
else //new node created within message editor. Create the item and then use it
{
QTreeWidgetItem *newNodeItem = new QTreeWidgetItem();
newNodeItem->setText(0, msg->sender->name);
newNodeItem->setIcon(0, nodeIcon);
newNodeItem->setData(0, Qt::UserRole, DBCItemTypes::NODE);
ui->treeDBC->addTopLevelItem(newNodeItem);
nodeToItem.insert(msg->sender, newNodeItem);
itemToNode.insert(newNodeItem, msg->sender);
newParent = newNodeItem;
}
QTreeWidgetItem *prevParent = nodeToItem.value(oldParent);
prevParent->removeChild(item);
newParent->addChild(item);
ui->treeDBC->setCurrentItem(item);
ui->treeDBC->sortItems(0, Qt::AscendingOrder); //resort because we just moved an item
}
}
else qDebug() << "That mesage doesn't exist. That's a bug dude.";
}
void DBCMainEditor::updatedSignal(DBC_SIGNAL *sig)
{
if (signalToItem.contains(sig))
{
QTreeWidgetItem *item = signalToItem.value(sig);
QString sigInfo = createSignalText(sig);
item->setText(0, sigInfo);
if (sig->isMultiplexed)
{
if (item->parent()->data(0, Qt::UserRole).toInt() == DBCItemTypes::SIG) //if our parent is another signal
{
QString nameString = item->parent()->text(0);
if (nameString.contains("(")) nameString = nameString.split(" ")[1];
else nameString = nameString.split(" ")[0];
DBC_SIGNAL *oldParent = sig->parentMessage->sigHandler->findSignalByName(nameString);
if (oldParent && (oldParent != sig->multiplexParent))
{
qDebug() << "You changed the signal's parent";
QTreeWidgetItem *newParent = nullptr;
newParent = signalToItem.value(sig->multiplexParent);
QTreeWidgetItem *prevParent = signalToItem.value(oldParent);
prevParent->removeChild(item);
newParent->addChild(item);
ui->treeDBC->setCurrentItem(item);
ui->treeDBC->sortItems(0, Qt::AscendingOrder); //resort because we just moved an item
}
}
}
}
else qDebug() << "That signal doesn't exist. That's a bug dude.";
}
void DBCMainEditor::newNode(QString nodeName)
{
DBC_NODE node;
DBC_NODE *nodePtr;
if(nodeName.isEmpty())
{
node.name = "Unnamed" + QString::number(randGen.bounded(50000));
}
else
{
node.name = nodeName;
}
dbcFile->dbc_nodes.append(node);
nodePtr = dbcFile->findNodeByName(node.name);
QTreeWidgetItem *nodeItem = new QTreeWidgetItem();
nodeItem->setText(0, node.name);
nodeItem->setIcon(0, nodeIcon);
nodeItem->setData(0, Qt::UserRole, DBCItemTypes::NODE);
nodeToItem.insert(nodePtr, nodeItem);
itemToNode.insert(nodeItem, nodePtr);
ui->treeDBC->addTopLevelItem(nodeItem);
ui->treeDBC->setCurrentItem(nodeItem);
dbcFile->setDirtyFlag();
}
void DBCMainEditor::newNode()
{
newNode(QString());
}
void DBCMainEditor::copyMessageToNode(DBC_NODE *parentNode, DBC_MESSAGE *source, uint newMsgId)
{
DBC_NODE *node = parentNode;
if (!node) node = dbcFile->findNodeByIdx(0);
QTreeWidgetItem *nodeItem = nullptr;
DBC_MESSAGE msg;
DBC_MESSAGE *msgPtr;
nodeItem = ui->treeDBC->currentItem();
msg.name = source->name;
msg.ID = newMsgId;
msg.len = source->len;
msg.bgColor = source->bgColor;
msg.fgColor = source->fgColor;
msg.comment = source->comment;
msg.sender = node;
DBC_SIGNAL *sigSource;
int sigCount = source->sigHandler->getCount();
for(int i=0; i<sigCount; i++)
{
sigSource = source->sigHandler->findSignalByIdx(i);
DBC_SIGNAL sig;
//Does not properly handle multiplexed signals, for now
sig.name = sigSource->name;
sig.bias = sigSource->bias;
sig.isMultiplexed = false; //sigSource->isMultiplexed;
sig.isMultiplexor = false; //sigSource->isMultiplexor;
sig.max = sigSource->max;
sig.min = sigSource->min;
sig.copyMultiplexValuesFromSignal(*sigSource);
sig.factor = sigSource->factor;
sig.intelByteOrder = sigSource->intelByteOrder;
sig.parentMessage = &msg;
sig.multiplexParent = nullptr; //need to learn about multiplexed signals and track them when copying
sig.receiver = node;
sig.signalSize = sigSource->signalSize;
sig.startBit = sigSource->startBit;
sig.valType = sigSource->valType;
sig.parentMessage = &msg;
msg.sigHandler->addSignal(sig);
}
msg.sigHandler->sort();
dbcFile->messageHandler->addMessage(msg);
msgPtr = dbcFile->messageHandler->findMsgByIdx(dbcFile->messageHandler->getCount() - 1);
QTreeWidgetItem *newMsgItem = new QTreeWidgetItem();
QString msgInfo = Utility::formatCANID(msg.ID) + " " + msg.name;
if (msg.comment.count() > 0) msgInfo.append(" - ").append(msg.comment);
newMsgItem->setText(0, msgInfo);
newMsgItem->setIcon(0, messageIcon);
newMsgItem->setData(0, Qt::UserRole, DBCItemTypes::MESG);
messageToItem.insert(msgPtr, newMsgItem);
itemToMessage.insert(newMsgItem, msgPtr);
nodeItem->addChild(newMsgItem);
//ui->treeDBC->setCurrentItem(newMsgItem);
dbcFile->setDirtyFlag();
}
//create a new message with it's parent being the node we're currently within
void DBCMainEditor::newMessage()
{
QTreeWidgetItem *nodeItem = nullptr;
QTreeWidgetItem *msgItem = nullptr;
nodeItem = ui->treeDBC->currentItem();
int typ = nodeItem->data(0, Qt::UserRole).toInt();
if (!nodeItem) return; //nothing selected!
if (typ == DBCItemTypes::MESG)
{
msgItem = nodeItem;
nodeItem = nodeItem->parent();
}
if (typ == DBCItemTypes::SIG)
{
msgItem = nodeItem->parent();
nodeItem = msgItem->parent();
}
if (typ == DBCItemTypes::NODE){
msgItem = nodeItem;
}
//if there was a comment this will find the location of the comment and snip it out.
QString nodeName = nodeItem->data(0, Qt::DisplayRole).toString().split(" - ")[0];
DBC_NODE *node = dbcFile->findNodeByName(nodeName);
if (!node) node = dbcFile->findNodeByIdx(0);
DBC_MESSAGE msg;
DBC_MESSAGE *msgPtr;
if (msgItem)
{
QString idString = msgItem->text(0).split(" ")[0];
int msgID = static_cast<uint32_t>(Utility::ParseStringToNum(idString));
DBC_MESSAGE *oldMsg = dbcFile->messageHandler->findMsgByID(msgID);
if (oldMsg)
{
msg.name = "Msg" + QString::number(randGen.bounded(500));
msg.ID = oldMsg->ID + 1;
DBC_MESSAGE *overlappedMsg = dbcFile->messageHandler->findMsgByID(msg.ID);
while (overlappedMsg)
{
msg.ID++;
overlappedMsg = dbcFile->messageHandler->findMsgByID(msg.ID);
}
msg.len = oldMsg->len;
msg.bgColor = oldMsg->bgColor;
msg.fgColor = oldMsg->fgColor;
msg.comment = oldMsg->comment;
}
else
{
msg.name = nodeName + "Msg" + QString::number(randGen.bounded(500));
msg.ID = 0;
msg.len = 8;
msg.bgColor = QApplication::palette().color(QPalette::Base);
}
}
else
{
msg.name = nodeName + "Msg" + QString::number(randGen.bounded(500));
msg.ID = 0;
msg.len = 8;
}
msg.sender = node;
dbcFile->messageHandler->addMessage(msg);
msgPtr = dbcFile->messageHandler->findMsgByIdx(dbcFile->messageHandler->getCount() - 1);
QTreeWidgetItem *newMsgItem = new QTreeWidgetItem();
QString msgInfo = Utility::formatCANID(msg.ID) + " " + msg.name;
if (msg.comment.count() > 0) msgInfo.append(" - ").append(msg.comment);
newMsgItem->setText(0, msgInfo);
newMsgItem->setIcon(0, messageIcon);
newMsgItem->setData(0, Qt::UserRole, DBCItemTypes::MESG);
messageToItem.insert(msgPtr, newMsgItem);
itemToMessage.insert(newMsgItem, msgPtr);
nodeItem->addChild(newMsgItem);
ui->treeDBC->setCurrentItem(newMsgItem);
dbcFile->setDirtyFlag();
}
void DBCMainEditor::newSignal()
{
QTreeWidgetItem *msgItem = nullptr;
QTreeWidgetItem *sigItem = nullptr;
QTreeWidgetItem *parentItem = nullptr;
msgItem = ui->treeDBC->currentItem();
parentItem = msgItem;
if (!msgItem) return; //nothing selected!
int typ = msgItem->data(0, Qt::UserRole).toInt();
if (typ == DBCItemTypes::NODE) return; //can't add signals to a node!
if (typ == DBCItemTypes::SIG)
{
sigItem = msgItem;
msgItem = msgItem->parent();
parentItem = msgItem;
//walk up the tree to find the parent msg
while (msgItem && msgItem->data(0, Qt::UserRole).toInt() != DBCItemTypes::MESG) msgItem = msgItem->parent();
if (!msgItem) return; //something bad happened. abort.
}
QString idString = msgItem->text(0).split(" ")[0];
int msgID = static_cast<uint32_t>(Utility::ParseStringToNum(idString));
DBC_MESSAGE *msg = dbcFile->messageHandler->findMsgByID(msgID);
if (!msg) return; //null pointers are a bummer. Do not follow them.
DBC_SIGNAL sig;
DBC_SIGNAL *sigPtr;
if (sigItem)
{
QString txt = sigItem->text(0);
if (txt.startsWith('(')) txt = txt.split(" ")[1]; //if it was a multiplexed signal we need to ignore that part and still grab sig name
else txt = txt.split(" ")[0];
DBC_SIGNAL *oldSig = msg->sigHandler->findSignalByName(txt);
if (oldSig)
{
sig = *oldSig;
sig.name = sig.name + QString::number(randGen.bounded(100));
}
else
{
sig.name = msgItem->text(0).split(" ")[1] + "Sig" + QString::number(randGen.bounded(500));
}
}
else
{
sig.name = msgItem->text(0).split(" ")[1] + "Sig" + QString::number(randGen.bounded(500));
}
sig.parentMessage = msg;
if (!sig.receiver) sig.receiver = &dbcFile->dbc_nodes[0]; //if receiver not set then set it to... something.
msg->sigHandler->addSignal(sig);
sigPtr = msg->sigHandler->findSignalByIdx(msg->sigHandler->getCount() - 1);
QTreeWidgetItem *newSigItem = new QTreeWidgetItem();
QString sigInfo = createSignalText(&sig);
newSigItem->setText(0, sigInfo);
if (sig.isMultiplexed) newSigItem->setIcon(0, multiplexedSignalIcon);
else if (sig.isMultiplexor) newSigItem->setIcon(0, multiplexorSignalIcon);
else newSigItem->setIcon(0, signalIcon);
newSigItem->setData(0, Qt::UserRole, DBCItemTypes::SIG);
signalToItem.insert(sigPtr, newSigItem);
itemToSignal.insert(newSigItem, sigPtr);
parentItem->addChild(newSigItem);
ui->treeDBC->setCurrentItem(newSigItem);
dbcFile->setDirtyFlag();
}
//Fills the given table with one row per message, sorted ascending by ID. Duplicate IDs are
//highlighted. When showUnused is set, every free ID in the standard 11-bit range (0x000-0x7FF)
//is interleaved as a greyed "free" row so an available ID is easy to pick. Rows that map to a
//real message carry that message's ID in Qt::UserRole so a double-click can jump to it.
void DBCMainEditor::populateUsedIDsTable(QTableWidget *table, bool showUnused)
{
table->clearContents();
table->setRowCount(0);
if (!dbcFile) return;
QVector<DBC_MESSAGE *> msgs;
for (int i = 0; i < dbcFile->messageHandler->getCount(); i++)
msgs.append(dbcFile->messageHandler->findMsgByIdx(i));
QMap<uint32_t, int> idCounts; //how often each ID appears -> duplicate detection
QSet<uint32_t> usedSet;
for (DBC_MESSAGE *m : msgs) { idCounts[m->ID]++; usedSet.insert(m->ID); }
struct Row { uint32_t id; DBC_MESSAGE *msg; }; //msg == nullptr marks a free ID
QVector<Row> rows;
for (DBC_MESSAGE *m : msgs) rows.append({m->ID, m});
if (showUnused)
{
for (uint32_t id = 0; id <= 0x7FF; id++)
if (!usedSet.contains(id)) rows.append({id, nullptr});
}
//stable sort keeps duplicate-ID messages in their original relative order
std::stable_sort(rows.begin(), rows.end(), [](const Row &a, const Row &b) { return a.id < b.id; });
const QColor dupColor(0xFF, 0x88, 0x88);
const QColor freeColor = table->palette().color(QPalette::Disabled, QPalette::Text);
table->setRowCount(rows.count());
for (int r = 0; r < rows.count(); r++)
{
const Row &row = rows[r];
QTableWidgetItem *idItem = new QTableWidgetItem(Utility::formatCANID(row.id));
QTableWidgetItem *nameItem;
QTableWidgetItem *nodeItem;
if (row.msg)
{
nameItem = new QTableWidgetItem(row.msg->name);
nodeItem = new QTableWidgetItem(row.msg->sender ? row.msg->sender->name : QString());
idItem->setData(Qt::UserRole, row.msg->ID); //presence of this marks the row as jumpable
if (idCounts.value(row.msg->ID) > 1)
{
idItem->setBackground(dupColor);
nameItem->setBackground(dupColor);
nodeItem->setBackground(dupColor);
}
}
else
{
nameItem = new QTableWidgetItem(tr("— free —"));
nodeItem = new QTableWidgetItem();
idItem->setForeground(freeColor);
nameItem->setForeground(freeColor);
}
table->setItem(r, 0, idItem);
table->setItem(r, 1, nameItem);
table->setItem(r, 2, nodeItem);
}
table->resizeColumnsToContents();
}
//Select and scroll to the message with the given ID in the main tree.
void DBCMainEditor::jumpToMessage(uint32_t msgID)
{
if (!dbcFile) return;
DBC_MESSAGE *msg = dbcFile->messageHandler->findMsgByID(msgID);
if (!msg || !messageToItem.contains(msg)) return;
QTreeWidgetItem *item = messageToItem.value(msg);
if (item->parent()) item->parent()->setExpanded(true);
ui->treeDBC->setCurrentItem(item);
ui->treeDBC->scrollToItem(item);
}
//Builds a modeless window listing every message ID in use, sorted ascending, with duplicate
//IDs highlighted. If any duplicates exist a warning dialog is shown listing them.
void DBCMainEditor::showUsedIDs()
{
if (!dbcFile) return;
QDialog *dlg = new QDialog(this);
dlg->setAttribute(Qt::WA_DeleteOnClose);
dlg->setWindowTitle(tr("Used Message IDs"));
dlg->resize(450, 550);
QVBoxLayout *lay = new QVBoxLayout(dlg);
QCheckBox *chkUnused = new QCheckBox(tr("Show unused IDs (0x000-0x7FF)"), dlg);
lay->addWidget(chkUnused);
QTableWidget *table = new QTableWidget(dlg);
table->setColumnCount(3);
table->setHorizontalHeaderLabels(QStringList() << tr("ID") << tr("Message") << tr("Node"));
table->setEditTriggers(QAbstractItemView::NoEditTriggers);
table->setSelectionBehavior(QAbstractItemView::SelectRows);
table->verticalHeader()->setVisible(false);
table->horizontalHeader()->setStretchLastSection(true);
lay->addWidget(table);
QLabel *hint = new QLabel(tr("Double-click a message to jump to it in the tree."), dlg);
lay->addWidget(hint);
populateUsedIDsTable(table, false);
connect(chkUnused, &QCheckBox::toggled, this, [this, table](bool checked) {
populateUsedIDsTable(table, checked);
});
connect(table, &QTableWidget::cellDoubleClicked, this, [this, table](int row, int /*col*/) {
QTableWidgetItem *idItem = table->item(row, 0);
if (idItem && idItem->data(Qt::UserRole).isValid())
jumpToMessage(idItem->data(Qt::UserRole).toUInt());
});
dlg->show();
//assemble the list of duplicated IDs and warn about them on open (QMap keeps keys sorted)
QMap<uint32_t, int> idCounts;
for (int i = 0; i < dbcFile->messageHandler->getCount(); i++)
idCounts[dbcFile->messageHandler->findMsgByIdx(i)->ID]++;
QStringList dupStrings;
for (auto it = idCounts.begin(); it != idCounts.end(); ++it)
if (it.value() > 1)
dupStrings.append(Utility::formatCANID(it.key()) + " (" + QString::number(it.value()) + " messages)");
if (!dupStrings.isEmpty())
{
QMessageBox::warning(dlg, tr("Duplicate IDs Detected"),
tr("The following message IDs are used more than once:\n\n") + dupStrings.join("\n"));
}
}
//gets confirmation before calling the real routines that delete things
void DBCMainEditor::deleteCurrentTreeItem()
{
QTreeWidgetItem *currItem = ui->treeDBC->currentItem();
int typ = currItem->data(0, Qt::UserRole).toInt();
QString idString, columnText;
int msgID;
DBC_MESSAGE *msg;
DBC_NODE *node;
int numMsg = 0, numSig = 0;
QMessageBox::StandardButton confirmDialog;
switch (typ)
{
case DBCItemTypes::NODE: //deleting a node cascades deletion down to messages and signals
columnText = currItem->text(0);
node = dbcFile->findNodeByNameAndComment(columnText);
if (!node) return;
for (int x = 0; x < dbcFile->messageHandler->getCount(); x++)
{
if (dbcFile->messageHandler->findMsgByIdx(x)->sender == node)
{
numMsg++;
numSig += dbcFile->messageHandler->findMsgByIdx(x)->sigHandler->getCount();
}
}
confirmDialog = QMessageBox::question(this, "Really?", "Are you sure you want to delete this node, its\n"
+ QString::number(numMsg) + " messages, and their " + QString::number(numSig) + " combined signals?", QMessageBox::Yes|QMessageBox::No);
if (confirmDialog == QMessageBox::Yes)
{
if (itemToNode.contains(currItem))
{
DBC_NODE *node = itemToNode.value(currItem);
deleteNode(node);
}
else
{
qDebug() << "Could not find the node in the map. That should not happen.";
}
}
break;
case DBCItemTypes::MESG: //cascades to removing all signals too.
idString = currItem->text(0).split(" ")[0];
msgID = static_cast<uint32_t>(Utility::ParseStringToNum(idString));
msg = dbcFile->messageHandler->findMsgByID(msgID);
confirmDialog = QMessageBox::question(this, "Really?", "Are you sure you want to delete\nthis message and its "
+ QString::number(msg->sigHandler->getCount()) + " signals?", QMessageBox::Yes|QMessageBox::No);
if (confirmDialog == QMessageBox::Yes)
{
QTreeWidgetItem *currItem = ui->treeDBC->currentItem();
if (itemToMessage.contains(currItem))
{
DBC_MESSAGE *msg = itemToMessage.value(currItem);
deleteMessage(msg);
}
else
{
qDebug() << "Could not find the message in the map. That should not happen.";
}
}
break;
case DBCItemTypes::SIG: //no cascade, just this one signal.
confirmDialog = QMessageBox::question(this, "Really?", "Are you sure you want to delete this signal?",
QMessageBox::Yes|QMessageBox::No);
if (confirmDialog == QMessageBox::Yes)
{
QTreeWidgetItem *currItem = ui->treeDBC->currentItem();
if (itemToSignal.contains(currItem))
{
DBC_SIGNAL *sig = itemToSignal.value(currItem);
deleteSignal(sig);
}
else
{
qDebug() << "Could not find the signal in the map. That should not happen.";
}
}
break;
}
}
//these don't ask for permission. You call it, it disappears forever.
void DBCMainEditor::deleteNode(DBC_NODE *node)
{
qDebug() << "Going through with it you mass deleter!";
if (!nodeToItem.contains(node)) return;
QTreeWidgetItem *currItem = nodeToItem[node];
//don't actually store which messages are associated to which nodes so just iterate through the messages list and whack the ones
//that claim to be associated to this node.
int numItems = dbcFile->messageHandler->getCount();
for (int i = numItems - 1; i > -1; i--)
{
DBC_MESSAGE *msg = dbcFile->messageHandler->findMsgByIdx(i);
if (msg->sender == node) deleteMessage(dbcFile->messageHandler->findMsgByIdx(i));
//also, each signal has a receiver field that references the nodes. It was probably stupid to store
//pointers to node structures in signals but that's how it is currently. Need to iterate over all
//signals in all messages and set the receiver field to Vector__XXX if the old receiver node was this one.
else //still check for signals with receiver set to this node
{
DBC_NODE *unset_node = dbcFile->findNodeByName("Vector__XXX");
int numSigs = msg->sigHandler->getCount();
for (int j = numSigs - 1; j > -1; j--)
{
DBC_SIGNAL *sig = msg->sigHandler->findSignalByIdx(j);
if (sig->receiver == node) sig->receiver = unset_node;
}
}
}
nodeToItem.remove(node);
itemToNode.remove(currItem);
ui->treeDBC->removeItemWidget(currItem, 0);
delete currItem;
for (int j = 0; j < dbcFile->dbc_nodes.count(); j++)
{
if (dbcFile->dbc_nodes.at(j).name == node->name)
{
dbcFile->dbc_nodes.removeAt(j);
break;
}
}
dbcFile->setDirtyFlag();
}
void DBCMainEditor::deleteMessage(DBC_MESSAGE *msg)
{
qDebug() << "Deleting the message and all signals. Bye bye!";
if (!messageToItem.contains(msg)) return;
QTreeWidgetItem *currItem = messageToItem[msg];
int numItems = msg->sigHandler->getCount();
for (int i = numItems - 1; i > -1; i--)
{
deleteSignal(msg->sigHandler->findSignalByIdx(i));
}
dbcFile->messageHandler->removeMessage(msg);
itemToMessage.remove(currItem);
messageToItem.remove(msg);
ui->treeDBC->removeItemWidget(currItem, 0);
delete currItem;
dbcFile->setDirtyFlag();
}
void DBCMainEditor::deleteSignal(DBC_SIGNAL *sig)
{
qDebug() << "Signal about to vanish.";
if (!signalToItem.contains(sig)) return;
QTreeWidgetItem *currItem = signalToItem[sig];
sig->parentMessage->sigHandler->removeSignal(sig);
itemToSignal.remove(currItem);
signalToItem.remove(sig);
ui->treeDBC->removeItemWidget(currItem, 0);
//delete currItem; //already removed by above remove call
dbcFile->setDirtyFlag();
}
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