README.md

@@ -4,6 +4,8 @@ search terms have been found, as shown in the screenshots below.
 
 
 ## Screenshots
+The screenshots in this section may occasionally be slightly outdated, but they are usually recent enough to get an overall impression of the current state.
+
 ### List
 ![Screenshot looqs results](https://garage.quitesimple.org/assets/looqs/opearting_systems_looqs.png)
 

gui/ipcpreviewclient.cpp

@@ -61,7 +61,8 @@ void IPCPreviewClient::start(RenderConfig config, const QVector<RenderTarget> &t
 
 	if(!connect() || !socket->isOpen())
 	{
-		// TODO: ERROR
+		emit error("Could not connect to IPC worker");
+		return;
 	}
 
 	if(socket->isOpen() && socket->isWritable())
@@ -88,7 +89,8 @@ void IPCPreviewClient::start(RenderConfig config, const QVector<RenderTarget> &t
 		}
 		else
 		{
-			// TODO: ERROR
+			emit error("Error while trying to process previews: " + socket->errorString());
+			return;
 		}
 
 		int processed = 0;
@@ -107,7 +109,7 @@ void IPCPreviewClient::start(RenderConfig config, const QVector<RenderTarget> &t
 		}
 		if(processed != targets.count())
 		{
-			// TODO: ERROR
+			emit error("IPC worker didn't send enough previews. This is a bug, please report");
 		}
 	}
 	socket->disconnectFromServer();
@@ -118,7 +120,8 @@ void IPCPreviewClient::stopGeneration()
 {
 	if(!connect() || !socket->isOpen())
 	{
-		// TODO: ERROR
+		emit error("Could not connect to IPC worker");
+		return;
 	}
 	QDataStream stream(socket);
 	stream << StopGeneratePreviews;

gui/ipcpreviewclient.h

@@ -31,6 +31,7 @@ class IPCPreviewClient : public QObject
   signals:
 	void previewReceived(QSharedPointer<PreviewResult> previewResult, unsigned int currentPreviewGeneration);
 	void finished();
+	void error(QString);
 };
 
 #endif // IPCPREVIEWCLIENT_H

gui/ipcpreviewworker.cpp

@@ -3,29 +3,22 @@
 #include "previewgeneratormapfunctor.h"
 IPCPreviewWorker::IPCPreviewWorker()
 {
+	this->connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::resultReadyAt, this,
+				  [this](int index) { emit previewGenerated(previewWorkerWatcher.resultAt(index)); });
+	connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::finished, this, [this] { emit finished(); });
 }
 
 void IPCPreviewWorker::start(RenderConfig config, const QVector<RenderTarget> &targets, QLocalSocket *peer)
 {
-	connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::resultReadyAt, this,
+	stop();
-			[peer, this](int index)
+	auto mapFunctor = PreviewGeneratorMapFunctor();
-			{
+	mapFunctor.setRenderConfig(config);
-				QDataStream stream{peer};
-				stream << previewWorkerWatcher.resultAt(index);
-				peer->flush();
-			});
-	connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::finished, this,
-			[peer]
-			{
-				/* TODO /
 
-				/*peer->waitForBytesWritten();
+	previewWorkerWatcher.setFuture(QtConcurrent::mapped(targets, mapFunctor));
-				peer->disconnectFromServer();
+}
-				peer->deleteLater();*/
+
-			});
+void IPCPreviewWorker::stop()
-
+{
-	auto mapFunctor = new PreviewGeneratorMapFunctor();
+	previewWorkerWatcher.cancel();
-	mapFunctor->setRenderConfig(config);
+	previewWorkerWatcher.waitForFinished();
-
-	previewWorkerWatcher.setFuture(QtConcurrent::mapped(targets, *mapFunctor));
 }

gui/ipcpreviewworker.h

@@ -15,6 +15,10 @@ class IPCPreviewWorker : public QObject
   public:
 	IPCPreviewWorker();
 	void start(RenderConfig config, const QVector<RenderTarget> &targets, QLocalSocket *peer);
+	void stop();
+  signals:
+	void previewGenerated(QByteArray);
+	void finished();
 };
 
 #endif // IPCPREVIEWWORKER_H

gui/ipcserver.cpp

@@ -15,7 +15,11 @@
 
 IpcServer::IpcServer()
 {
+	/* Only 1, we are doing work for the GUI, not a service for general availability */
+	this->spawningServer.setMaxPendingConnections(1);
 	connect(&this->spawningServer, &QLocalServer::newConnection, this, &IpcServer::spawnerNewConnection);
+	connect(&this->previewWorker, &IPCPreviewWorker::previewGenerated, this, &IpcServer::handlePreviewGenerated);
+	connect(&this->previewWorker, &IPCPreviewWorker::finished, this, [this] { this->currentSocket->flush(); });
 }
 
 bool IpcServer::startSpawner(QString socketPath)
@@ -28,6 +32,7 @@ void IpcServer::spawnerNewConnection()
 {
 	QLocalSocket *socket = this->spawningServer.nextPendingConnection();
 	connect(socket, &QLocalSocket::disconnected, socket, &QLocalSocket::deleteLater);
+	this->currentSocket = socket;
 	if(socket != nullptr)
 	{
 		if(!socket->waitForReadyRead())
@@ -39,10 +44,8 @@ void IpcServer::spawnerNewConnection()
 		stream >> command;
 		if(command == GeneratePreviews)
 		{
-			IPCPreviewWorker *worker = new IPCPreviewWorker();
 			RenderConfig renderConfig;
 			QVector<RenderTarget> targets;
-
 			do
 			{
 				/* TODO: this is not entirely robust */
@@ -53,7 +56,18 @@ void IpcServer::spawnerNewConnection()
 
 			stream << targets.count();
 			socket->flush();
-			worker->start(renderConfig, targets, socket);
+			previewWorker.start(renderConfig, targets, socket);
+		}
+		if(command == StopGeneratePreviews)
+		{
+			previewWorker.stop();
 		}
 	}
 }
+
+void IpcServer::handlePreviewGenerated(QByteArray ba)
+{
+	QDataStream stream{this->currentSocket};
+	stream << ba;
+	this->currentSocket->flush();
+}

gui/ipcserver.h

@@ -4,14 +4,19 @@
 #include <QLocalServer>
 #include "ipc.h"
 #include "filesaver.h"
+#include "ipcpreviewworker.h"
+
 class IpcServer : public QObject
 {
 	Q_OBJECT
   private:
+	IPCPreviewWorker previewWorker;
 	QLocalServer spawningServer;
+	QLocalSocket *currentSocket = nullptr;
 	SaveFileResult addFile(QString file);
   private slots:
 	void spawnerNewConnection();
+	void handlePreviewGenerated(QByteArray ba);
 
   public:
 	IpcServer();

gui/main.cpp

@@ -5,6 +5,7 @@
 #include <QProcess>
 #include <QDir>
 #include <QCommandLineParser>
+#include <QFileInfo>
 
 #include "mainwindow.h"
 #include "searchresult.h"
@@ -32,15 +33,46 @@ void enableSandbox()
 	}
 	exile_free_policy(policy);
 }
+
+void enableIpcSandbox()
+{
+	struct exile_policy *policy = exile_create_policy();
+	if(policy == NULL)
+	{
+		qCritical() << "Failed to init policy for sandbox";
+		exit(EXIT_FAILURE);
+	}
+	policy->namespace_options = EXILE_UNSHARE_NETWORK | EXILE_UNSHARE_USER;
+	policy->no_new_privs = 1;
+	policy->drop_caps = 1;
+	policy->vow_promises = exile_vows_from_str("thread cpath wpath rpath unix stdio prot_exec proc shm fsnotify ioctl");
+
+	QString ipcSocketPath = Common::ipcSocketPath();
+	QFileInfo info{ipcSocketPath};
+	QString ipcSocketPathDir = info.absolutePath();
+	std::string stdIpcSocketPath = ipcSocketPathDir.toStdString();
+
+	exile_append_path_policies(policy, EXILE_FS_ALLOW_ALL_READ, "/");
+	exile_append_path_policies(policy, EXILE_FS_ALLOW_ALL_READ | EXILE_FS_ALLOW_ALL_WRITE, stdIpcSocketPath.c_str());
+	int ret = exile_enable_policy(policy);
+	if(ret != 0)
+	{
+		qDebug() << "Failed to establish sandbox";
+		exit(EXIT_FAILURE);
+	}
+	exile_free_policy(policy);
+}
+
 int main(int argc, char *argv[])
 {
-	QString socketPath = "/tmp/looqs-spawner";
+	QString socketPath = Common::ipcSocketPath();
 	if(argc > 1)
 	{
 		QString arg = argv[1];
 		if(arg == "ipc")
 		{
 			Common::setupAppInfo();
+			enableIpcSandbox();
 			QApplication a(argc, argv);
 
 			IpcServer *ipcserver = new IpcServer();
@@ -70,10 +102,24 @@ int main(int argc, char *argv[])
 			return processor.process();
 		}
 	}
+	QString ipcSocketPath = Common::ipcSocketPath();
+	QFileInfo info{ipcSocketPath};
+	QString ipcSocketPathDir = info.absolutePath();
+
+	QDir dir;
+	if(!dir.mkpath(ipcSocketPathDir))
+	{
+		qCritical() << "Failed to create dir for ipc socket" << Qt::endl;
+		exit(EXIT_FAILURE);
+	}
+
 	QProcess process;
 	QStringList args;
 	args << "ipc";
-	if(!process.startDetached("/proc/self/exe", args))
+	process.setProcessChannelMode(QProcess::ForwardedChannels);
+
+	process.start("/proc/self/exe", args);
+	if(!process.waitForStarted(5000))
 	{
 		QString errorMsg = "Failed to start IPC server";
 		qDebug() << errorMsg;
@@ -108,17 +154,18 @@ int main(int argc, char *argv[])
 		QMessageBox::critical(nullptr, "Error", e.message);
 		return 1;
 	}
-	// Keep this post sandbox, afterwards does not work (suspect due to threads, but unconfirmed)
 	QApplication a(argc, argv);
 	a.setWindowIcon(QIcon(":/icon.svg"));
+	QObject::connect(&a, &QApplication::aboutToQuit, &process, &QProcess::kill);
 
 	qRegisterMetaType<QVector<SearchResult>>("QVector<SearchResult>");
 	qRegisterMetaType<QVector<PreviewResultPdf>>("QVector<PreviewResultPdf>");
 	qRegisterMetaType<PreviewResultPdf>("PreviewResultPdf");
 	qRegisterMetaType<FileScanResult>("FileScanResult");
-
+	qRegisterMetaType<RenderConfig>("RenderConfig");
-	IPCClient client{socketPath};
+	qRegisterMetaType<QVector<RenderTarget>>("QVector<RenderTarget>");
-	MainWindow w{0, client};
+	qRegisterMetaType<QSharedPointer<PreviewResult>>("QSharedPointer<PreviewResult>");
+	MainWindow w{0, socketPath};
 	w.showMaximized();
 	return a.exec();
 }

gui/mainwindow.cpp

@@ -13,18 +13,43 @@
 #include <QtConcurrent/QtConcurrent>
 #include <QMessageBox>
 #include <QFileDialog>
+#include <QScreen>
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "clicklabel.h"
 #include "../shared/sqlitesearch.h"
 #include "../shared/looqsgeneralexception.h"
 #include "../shared/common.h"
+#include "ipcpreviewclient.h"
+#include "previewgenerator.h"
 
-MainWindow::MainWindow(QWidget *parent, IPCClient &client) : QMainWindow(parent), ui(new Ui::MainWindow)
+MainWindow::MainWindow(QWidget *parent, QString socketPath) : QMainWindow(parent), ui(new Ui::MainWindow)
 {
 	ui->setupUi(this);
 	setWindowTitle(QCoreApplication::applicationName());
-	this->ipcClient = &client;
+	this->ipcPreviewClient.moveToThread(&this->ipcClientThread);
+	this->ipcPreviewClient.setSocketPath(socketPath);
+
+	connect(&ipcPreviewClient, &IPCPreviewClient::previewReceived, this, &MainWindow::previewReceived,
+			Qt::QueuedConnection);
+	connect(&ipcPreviewClient, &IPCPreviewClient::finished, this,
+			[&]
+			{
+				this->ui->previewProcessBar->setValue(this->ui->previewProcessBar->maximum());
+				this->ui->spinPreviewPage->setEnabled(true);
+			});
+	connect(&ipcPreviewClient, &IPCPreviewClient::error, this,
+			[this](QString msg)
+			{
+				qCritical() << msg << Qt::endl;
+				QMessageBox::critical(this, "IPC error", msg);
+			});
+
+	connect(this, &MainWindow::startIpcPreviews, &ipcPreviewClient, &IPCPreviewClient::startGeneration,
+			Qt::QueuedConnection);
+	connect(this, &MainWindow::stopIpcPreviews, &ipcPreviewClient, &IPCPreviewClient::stopGeneration,
+			Qt::QueuedConnection);
+	this->ipcClientThread.start();
 	QSettings settings;
 
 	this->dbFactory = new DatabaseFactory(Common::databasePath());
@@ -46,6 +71,9 @@ MainWindow::MainWindow(QWidget *parent, IPCClient &client) : QMainWindow(parent)
 
 	QStringList indexPaths = settings.value("indexPaths").toStringList();
 	ui->lstPaths->addItems(indexPaths);
+
+	ui->spinPreviewPage->setValue(1);
+	ui->spinPreviewPage->setMinimum(1);
 }
 
 void MainWindow::addPathToIndex()
@@ -82,16 +110,18 @@ void MainWindow::connectSignals()
 					handleSearchError(e.message);
 				}
 			});
-	connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::resultReadyAt, this,
+
-			[&](int index) { previewReceived(previewWorkerWatcher.resultAt(index)); });
+	/* connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::resultReadyAt, this,
+			[&](int index) {
+		previewReceived(previewWorkerWatcher.resultAt(index)); });
 			connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::progressValueChanged,
 					ui->previewProcessBar, &QProgressBar::setValue);
 			connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::started, this,
-			[&] { ui->indexerTab->setEnabled(false); });
+					[&] { ui->indexerTab->setEnabled(false); });*/
 
-	connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::finished, this,
+	/*connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::finished, this,
 			[&] { ui->indexerTab->setEnabled(true); });
-
+	*/
 	connect(ui->treeResultsList, &QTreeWidget::itemActivated, this, &MainWindow::treeSearchItemActivated);
 	connect(ui->treeResultsList, &QTreeWidget::customContextMenuRequested, this,
 			&MainWindow::showSearchResultsContextMenu);
@@ -261,16 +291,21 @@ void MainWindow::tabChanged()
 	}
 }
 
-void MainWindow::previewReceived(QSharedPointer<PreviewResult> preview)
+void MainWindow::previewReceived(QSharedPointer<PreviewResult> preview, unsigned int previewGeneration)
 {
-	if(preview->hasPreview())
+	if(previewGeneration < this->currentPreviewGeneration)
+	{
+		return;
+	}
+	this->ui->previewProcessBar->setValue(this->ui->previewProcessBar->value() + 1);
+	if(!preview.isNull() && preview->hasPreview())
 	{
 		QString docPath = preview->getDocumentPath();
 		auto previewPage = preview->getPage();
 
 		ClickLabel *label = dynamic_cast<ClickLabel *>(preview->createPreviewWidget());
 		ui->scrollAreaWidgetContents->layout()->addWidget(label);
-		connect(label, &ClickLabel::leftClick, [this, docPath, previewPage]() { ipcDocOpen(docPath, previewPage); });
+		connect(label, &ClickLabel::leftClick, [this, docPath, previewPage]() { openDocument(docPath, previewPage); });
 		connect(label, &ClickLabel::rightClick,
 				[this, docPath, previewPage]()
 				{
@@ -357,10 +392,8 @@ void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
 	ui->treeResultsList->resizeColumnToContents(1);
 	previewDirty = !this->previewableSearchResults.empty();
 
-	int numpages = ceil(static_cast<double>(this->previewableSearchResults.size()) / previewsPerPage);
-	ui->spinPreviewPage->setMinimum(1);
-	ui->spinPreviewPage->setMaximum(numpages);
 	ui->spinPreviewPage->setValue(1);
+
 	if(previewTabActive() && previewDirty)
 	{
 		makePreviews(1);
@@ -376,12 +409,10 @@ void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
 
 void MainWindow::makePreviews(int page)
 {
-
+	if(this->previewableSearchResults.empty())
-	this->previewWorkerWatcher.cancel();
+	{
-	this->previewWorkerWatcher.waitForFinished();
+		return;
-
+	}
-	QCoreApplication::processEvents(); // Maybe not necessary anymore, depends on whether it's possible that a slot is
-									   // still to be fired.
 	qDeleteAll(ui->scrollAreaWidgetContents->children());
 
 	ui->scrollAreaWidgetContents->setLayout(new QHBoxLayout());
@@ -409,14 +440,43 @@ void MainWindow::makePreviews(int page)
 			}
 		}
 	}
-	PreviewWorker worker;
 	int end = previewsPerPage;
 	int begin = page * previewsPerPage - previewsPerPage;
-	this->previewWorkerWatcher.setFuture(worker.generatePreviews(this->previewableSearchResults.mid(begin, end),
+	if(begin < 0)
-																 wordsToHighlight, scaleText.toInt() / 100.));
+	{
-	ui->previewProcessBar->setMaximum(this->previewWorkerWatcher.progressMaximum());
+		// Should not happen actually
-	ui->previewProcessBar->setMinimum(this->previewWorkerWatcher.progressMinimum());
+		begin = 0;
+	}
+
+	RenderConfig renderConfig;
+	renderConfig.scaleX = QGuiApplication::primaryScreen()->physicalDotsPerInchX() * (scaleText.toInt() / 100.);
+	renderConfig.scaleY = QGuiApplication::primaryScreen()->physicalDotsPerInchY() * (scaleText.toInt() / 100.);
+	renderConfig.wordsToHighlight = wordsToHighlight;
+
+	QVector<RenderTarget> targets;
+	for(SearchResult &sr : this->previewableSearchResults)
+	{
+		RenderTarget renderTarget;
+		renderTarget.path = sr.fileData.absPath;
+
+		for(unsigned int pagenum : sr.pages)
+		{
+			renderTarget.page = (int)pagenum;
+			targets.append(renderTarget);
+		}
+	}
+	int numpages = ceil(static_cast<double>(targets.size()) / previewsPerPage);
+	ui->spinPreviewPage->setMaximum(numpages);
+	targets = targets.mid(begin, end);
+
+	ui->lblTotalPreviewPagesCount->setText(QString::number(numpages));
+	ui->previewProcessBar->setMaximum(targets.count());
+	ui->previewProcessBar->setMinimum(0);
+	ui->previewProcessBar->setValue(0);
 	ui->previewProcessBar->setVisible(this->previewableSearchResults.size() > 0);
+	++this->currentPreviewGeneration;
+	this->ui->spinPreviewPage->setEnabled(false);
+	emit startIpcPreviews(renderConfig, targets);
 }
 
 void MainWindow::handleSearchError(QString error)
@@ -430,27 +490,39 @@ void MainWindow::createSearchResutlMenu(QMenu &menu, const QFileInfo &fileInfo)
 				   [&fileInfo] { QGuiApplication::clipboard()->setText(fileInfo.fileName()); });
 	menu.addAction("Copy full path to clipboard",
 				   [&fileInfo] { QGuiApplication::clipboard()->setText(fileInfo.absoluteFilePath()); });
-	menu.addAction("Open containing folder", [this, &fileInfo] { this->ipcFileOpen(fileInfo.absolutePath()); });
+	menu.addAction("Open containing folder", [this, &fileInfo] { this->openFile(fileInfo.absolutePath()); });
 }
 
-void MainWindow::ipcDocOpen(QString path, int num)
+void MainWindow::openDocument(QString path, int num)
 {
-	QStringList args;
+	QSettings settings;
-	args << path;
+	QString command = settings.value("pdfviewer").toString();
-	args << QString::number(num);
+	if(path.endsWith(".pdf") && command != "" && command.contains("%p") && command.contains("%f"))
-	this->ipcClient->sendCommand(DocOpen, args);
+	{
+		QStringList splitted = command.split(" ");
+		if(splitted.size() > 1)
+		{
+			QString cmd = splitted[0];
+			QStringList args = splitted.mid(1);
+			args.replaceInStrings("%f", path);
+			args.replaceInStrings("%p", QString::number(num));
+			QProcess::startDetached(cmd, args);
+		}
+	}
+	else
+	{
+		QDesktopServices::openUrl(QUrl::fromLocalFile(path));
+	}
 }
 
-void MainWindow::ipcFileOpen(QString path)
+void MainWindow::openFile(QString path)
 {
-	QStringList args;
+	QDesktopServices::openUrl(QUrl::fromLocalFile(path));
-	args << path;
-	this->ipcClient->sendCommand(FileOpen, args);
 }
 
 void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int i)
 {
-	ipcFileOpen(item->text(1));
+	openFile(item->text(1));
 }
 
 void MainWindow::showSearchResultsContextMenu(const QPoint &point)

gui/mainwindow.h

@@ -9,9 +9,8 @@
 #include <QFutureWatcher>
 #include <QSqlDatabase>
 #include <QLocalSocket>
-#include "previewworker.h"
 #include "../shared/looqsquery.h"
-#include "ipcclient.h"
+#include "ipcpreviewclient.h"
 #include "indexer.h"
 namespace Ui
 {
@@ -23,7 +22,7 @@ class MainWindow : public QMainWindow
 	Q_OBJECT
 
   public:
-	explicit MainWindow(QWidget *parent, IPCClient &client);
+	explicit MainWindow(QWidget *parent, QString socketPath);
 	~MainWindow();
   signals:
 	void beginSearch(const QString &query);
@@ -33,13 +32,14 @@ class MainWindow : public QMainWindow
 	DatabaseFactory *dbFactory;
 	SqliteDbService *dbService;
 	Ui::MainWindow *ui;
-	IPCClient *ipcClient;
+	IPCPreviewClient ipcPreviewClient;
+	QThread ipcClientThread;
+
 	Indexer *indexer;
 	QFileIconProvider iconProvider;
 	bool previewDirty;
 	QSqlDatabase db;
 	QFutureWatcher<QVector<SearchResult>> searchWatcher;
-	QFutureWatcher<QSharedPointer<PreviewResult>> previewWorkerWatcher;
 	void add(QString path, unsigned int page);
 	QVector<SearchResult> previewableSearchResults;
 	void connectSignals();
@@ -53,20 +53,24 @@ class MainWindow : public QMainWindow
 	LooqsQuery contentSearchQuery;
 	int previewsPerPage;
 	void createSearchResutlMenu(QMenu &menu, const QFileInfo &fileInfo);
-	void ipcDocOpen(QString path, int num);
+	void openDocument(QString path, int num);
-	void ipcFileOpen(QString path);
+	void openFile(QString path);
-
+	unsigned int currentPreviewGeneration = 1;
   private slots:
 	void lineEditReturnPressed();
 	void treeSearchItemActivated(QTreeWidgetItem *item, int i);
 	void showSearchResultsContextMenu(const QPoint &point);
 	void tabChanged();
-	void previewReceived(QSharedPointer<PreviewResult> preview);
+	void previewReceived(QSharedPointer<PreviewResult> preview, unsigned int previewGeneration);
 	void comboScaleChanged(int i);
 	void spinPreviewPageValueChanged(int val);
 	void startIndexing();
 	void finishIndexing();
 	void addPathToIndex();
+
+  signals:
+	void startIpcPreviews(RenderConfig config, const QVector<RenderTarget> &targets);
+	void stopIpcPreviews();
 };
 
 #endif // MAINWINDOW_H

gui/mainwindow.ui

@@ -27,7 +27,7 @@
        <enum>QTabWidget::South</enum>
       </property>
       <property name="currentIndex">
-       <number>2</number>
+       <number>1</number>
       </property>
       <widget class="QWidget" name="resultsTab">
        <attribute name="title">
@@ -155,6 +155,13 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QLabel" name="lblTotalPreviewPagesCount">
+            <property name="text">
+             <string/>
+            </property>
+           </widget>
+          </item>
           <item>
            <spacer name="horizontalSpacer">
             <property name="orientation">
@@ -349,7 +356,7 @@
     <item>
      <widget class="QProgressBar" name="previewProcessBar">
       <property name="value">
-       <number>24</number>
+       <number>0</number>
       </property>
      </widget>
     </item>

shared/common.cpp

@@ -156,6 +156,9 @@ QString Common::databasePath()
 
 QString Common::ipcSocketPath()
 {
-	QSettings settings;
+	return "/tmp/.looqs/looqs-ipc-socket";
-	return settings.value(SETTINGS_KEY_IPCSOCKETPATH, "/tmp/looqs-spawner").toString();
+
+	/* May not a good idea to set it in the settings and probably nobody would ever bother to change it anyway */
+	// QSettings settings;
+	// return settings.value(SETTINGS_KEY_IPCSOCKETPATH, "/tmp/.looqs/looqs-ipc-socket").toString();
 }