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mainwindow.cpp
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mainwindow.cpp
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/*
Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
This file is part of cangaroo.
cangaroo is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
cangaroo is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cangaroo. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QtWidgets>
#include <QMdiArea>
#include <QSignalMapper>
#include <QCloseEvent>
#include <QDomDocument>
#include <core/MeasurementSetup.h>
#include <window/TraceWindow/TraceWindow.h>
#include <window/SetupDialog/SetupDialog.h>
#include <window/LogWindow/LogWindow.h>
#include <window/GraphWindow/GraphWindow.h>
#include <window/CanStatusWindow/CanStatusWindow.h>
#if defined(__linux__)
#include <driver/SocketCanDriver/SocketCanDriver.h>
#else
#include <driver/PeakCanDriver/PeakCanDriver.h>
#include <driver/CandleApiDriver/CandleApiDriver.h>
#endif
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
_baseWindowTitle = windowTitle();
QIcon icon(":/assets/cangaroo.png");
setWindowIcon(icon);
connect(ui->action_Trace_View, SIGNAL(triggered()), this, SLOT(createTraceWindow()));
connect(ui->actionLog_View, SIGNAL(triggered()), this, SLOT(addLogWidget()));
connect(ui->actionGraph_View, SIGNAL(triggered()), this, SLOT(createGraphWindow()));
connect(ui->actionSetup, SIGNAL(triggered()), this, SLOT(showSetupDialog()));
connect(ui->actionStart_Measurement, SIGNAL(triggered()), this, SLOT(startMeasurement()));
connect(ui->actionStop_Measurement, SIGNAL(triggered()), this, SLOT(stopMeasurement()));
connect(&backend(), SIGNAL(beginMeasurement()), this, SLOT(updateMeasurementActions()));
connect(&backend(), SIGNAL(endMeasurement()), this, SLOT(updateMeasurementActions()));
updateMeasurementActions();
connect(ui->actionSave_Trace_to_file, SIGNAL(triggered(bool)), this, SLOT(saveTraceToFile()));
connect(ui->actionAbout, SIGNAL(triggered()), this, SLOT(showAboutDialog()));
#if defined(__linux__)
Backend::instance().addCanDriver(*(new SocketCanDriver(Backend::instance())));
#else
Backend::instance().addCanDriver(*(new PeakCanDriver(Backend::instance())));
Backend::instance().addCanDriver(*(new CandleApiDriver(Backend::instance())));
#endif
setWorkspaceModified(false);
newWorkspace();
_setupDlg = new SetupDialog(Backend::instance(), 0); // NOTE: must be called after drivers/plugins are initialized
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::updateMeasurementActions()
{
bool running = backend().isMeasurementRunning();
ui->actionStart_Measurement->setEnabled(!running);
ui->actionStop_Measurement->setEnabled(running);
}
void MainWindow::closeEvent(QCloseEvent *event) {
if (askSaveBecauseWorkspaceModified()!=QMessageBox::Cancel) {
backend().stopMeasurement();
event->accept();
} else {
event->ignore();
}
}
Backend &MainWindow::backend()
{
return Backend::instance();
}
QMainWindow *MainWindow::createTab(QString title)
{
QMainWindow *mm = new QMainWindow(this);
QPalette pal(palette());
pal.setColor(QPalette::Background, QColor(0xeb, 0xeb, 0xeb));
mm->setAutoFillBackground(true);
mm->setPalette(pal);
ui->mainTabs->addTab(mm, title);
return mm;
}
QMainWindow *MainWindow::currentTab()
{
return (QMainWindow*)ui->mainTabs->currentWidget();
}
void MainWindow::stopAndClearMeasurement()
{
backend().stopMeasurement();
QCoreApplication::processEvents();
backend().clearTrace();
backend().clearLog();
}
void MainWindow::clearWorkspace()
{
ui->mainTabs->clear();
_workspaceFileName.clear();
setWorkspaceModified(false);
}
bool MainWindow::loadWorkspaceTab(QDomElement el)
{
QMainWindow *mw = 0;
QString type = el.attribute("type");
if (type=="TraceWindow") {
mw = createTraceWindow(el.attribute("title"));
} else if (type=="GraphWindow") {
mw = createGraphWindow(el.attribute("title"));
} else {
return false;
}
if (mw) {
ConfigurableWidget *mdi = dynamic_cast<ConfigurableWidget*>(mw->centralWidget());
if (mdi) {
mdi->loadXML(backend(), el);
}
}
return true;
}
bool MainWindow::loadWorkspaceSetup(QDomElement el)
{
MeasurementSetup setup(&backend());
if (setup.loadXML(backend(), el)) {
backend().setSetup(setup);
return true;
} else {
return false;
}
}
void MainWindow::loadWorkspaceFromFile(QString filename)
{
QFile file(filename);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
log_error(QString("Cannot open workspace settings file: %1").arg(filename));
return;
}
QDomDocument doc;
if (!doc.setContent(&file)) {
file.close();
log_error(QString("Cannot load settings from file: %1").arg(filename));
return;
}
file.close();
stopAndClearMeasurement();
clearWorkspace();
QDomElement tabsRoot = doc.firstChild().firstChildElement("tabs");
QDomNodeList tabs = tabsRoot.elementsByTagName("tab");
for (int i=0; i<tabs.length(); i++) {
if (!loadWorkspaceTab(tabs.item(i).toElement())) {
log_warning(QString("Could not read window %1 from file: %2").arg(QString::number(i), filename));
continue;
}
}
QDomElement setupRoot = doc.firstChild().firstChildElement("setup");
if (loadWorkspaceSetup(setupRoot)) {
_workspaceFileName = filename;
setWorkspaceModified(false);
} else {
log_error(QString("Unable to read measurement setup from workspace config file: %1").arg(filename));
}
}
bool MainWindow::saveWorkspaceToFile(QString filename)
{
QDomDocument doc;
QDomElement root = doc.createElement("cangaroo-workspace");
doc.appendChild(root);
QDomElement tabsRoot = doc.createElement("tabs");
root.appendChild(tabsRoot);
for (int i=0; i < ui->mainTabs->count(); i++) {
QMainWindow *w = (QMainWindow*)ui->mainTabs->widget(i);
QDomElement tabEl = doc.createElement("tab");
tabEl.setAttribute("title", ui->mainTabs->tabText(i));
ConfigurableWidget *mdi = dynamic_cast<ConfigurableWidget*>(w->centralWidget());
if (!mdi->saveXML(backend(), doc, tabEl)) {
log_error(QString("Cannot save window settings to file: %1").arg(filename));
return false;
}
tabsRoot.appendChild(tabEl);
}
QDomElement setupRoot = doc.createElement("setup");
if (!backend().getSetup().saveXML(backend(), doc, setupRoot)) {
log_error(QString("Cannot save measurement setup to file: %1").arg(filename));
return false;
}
root.appendChild(setupRoot);
QFile outFile(filename);
if(outFile.open(QIODevice::WriteOnly|QIODevice::Text) ) {
QTextStream stream( &outFile );
stream << doc.toString();
outFile.close();
_workspaceFileName = filename;
setWorkspaceModified(false);
log_info(QString("Saved workspace settings to file: %1").arg(filename));
return true;
} else {
log_error(QString("Cannot open workspace file for writing: %1").arg(filename));
return false;
}
}
void MainWindow::newWorkspace()
{
if (askSaveBecauseWorkspaceModified() != QMessageBox::Cancel) {
stopAndClearMeasurement();
clearWorkspace();
createTraceWindow();
backend().setDefaultSetup();
}
}
void MainWindow::loadWorkspace()
{
if (askSaveBecauseWorkspaceModified() != QMessageBox::Cancel) {
QString filename = QFileDialog::getOpenFileName(this, "Open workspace configuration", "", "Workspace config files (*.cangaroo)");
if (!filename.isNull()) {
loadWorkspaceFromFile(filename);
}
}
}
bool MainWindow::saveWorkspace()
{
if (_workspaceFileName.isEmpty()) {
return saveWorkspaceAs();
} else {
return saveWorkspaceToFile(_workspaceFileName);
}
}
bool MainWindow::saveWorkspaceAs()
{
QString filename = QFileDialog::getSaveFileName(this, "Save workspace configuration", "", "Workspace config files (*.cangaroo)");
if (!filename.isNull()) {
return saveWorkspaceToFile(filename);
} else {
return false;
}
}
void MainWindow::setWorkspaceModified(bool modified)
{
_workspaceModified = modified;
QString title = _baseWindowTitle;
if (!_workspaceFileName.isEmpty()) {
QFileInfo fi(_workspaceFileName);
title += " - " + fi.fileName();
}
if (_workspaceModified) {
title += '*';
}
setWindowTitle(title);
}
int MainWindow::askSaveBecauseWorkspaceModified()
{
if (_workspaceModified) {
QMessageBox msgBox;
msgBox.setText("The current workspace has been modified.");
msgBox.setInformativeText("Do you want to save your changes?");
msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Save);
int result = msgBox.exec();
if (result == QMessageBox::Save) {
if (saveWorkspace()) {
return QMessageBox::Save;
} else {
return QMessageBox::Cancel;
}
}
return result;
} else {
return QMessageBox::Discard;
}
}
QMainWindow *MainWindow::createTraceWindow(QString title)
{
if (title.isNull()) {
title = "Trace";
}
QMainWindow *mm = createTab(title);
mm->setCentralWidget(new TraceWindow(mm, backend()));
addLogWidget(mm);
ui->mainTabs->setCurrentWidget(mm);
return mm;
}
QMainWindow *MainWindow::createGraphWindow(QString title)
{
if (title.isNull()) {
title = "Graph";
}
QMainWindow *mm = createTab(title);
mm->setCentralWidget(new GraphWindow(mm, backend()));
addLogWidget(mm);
return mm;
}
void MainWindow::addLogWidget(QMainWindow *parent)
{
if (!parent) {
parent = currentTab();
}
QDockWidget *dock = new QDockWidget("Log", parent);
dock->setWidget(new LogWindow(dock, backend()));
parent->addDockWidget(Qt::BottomDockWidgetArea, dock);
}
void MainWindow::addStatusWidget(QMainWindow *parent)
{
if (!parent) {
parent = currentTab();
}
QDockWidget *dock = new QDockWidget("CAN Status", parent);
dock->setWidget(new CanStatusWindow(dock, backend()));
parent->addDockWidget(Qt::BottomDockWidgetArea, dock);
}
void MainWindow::on_actionCan_Status_View_triggered()
{
addStatusWidget();
}
bool MainWindow::showSetupDialog()
{
MeasurementSetup new_setup(&backend());
new_setup.cloneFrom(backend().getSetup());
if (_setupDlg->showSetupDialog(new_setup)) {
backend().setSetup(new_setup);
setWorkspaceModified(true);
return true;
} else {
return false;
}
}
void MainWindow::showAboutDialog()
{
QMessageBox::about(this,
"About cangaroo",
"cangaroo\n"
"open source can bus analyzer\n"
"\n"
"version 0.2.2\n"
"\n"
"(c)2015-2016 Hubert Denkmair"
);
}
void MainWindow::startMeasurement()
{
if (showSetupDialog()) {
backend().startMeasurement();
}
}
void MainWindow::stopMeasurement()
{
backend().stopMeasurement();
}
void MainWindow::saveTraceToFile()
{
QString filename = QFileDialog::getSaveFileName(this, "Save Trace to file", "", "Candump Files (*.candump)");
if (!filename.isNull()) {
backend().saveCanDump(filename);
}
}
void MainWindow::on_action_TraceClear_triggered()
{
backend().clearTrace();
backend().clearLog();
}
void MainWindow::on_action_WorkspaceSave_triggered()
{
saveWorkspace();
}
void MainWindow::on_action_WorkspaceSaveAs_triggered()
{
saveWorkspaceAs();
}
void MainWindow::on_action_WorkspaceOpen_triggered()
{
loadWorkspace();
}
void MainWindow::on_action_WorkspaceNew_triggered()
{
newWorkspace();
}