diff -r 0f9f7d6564cd -r 23354fc917f4 src/relpipe-out-chart.cpp
--- a/src/relpipe-out-chart.cpp	Thu Nov 29 22:30:12 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,111 +0,0 @@
-/**
- * Relational pipes
- * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
- *
- * This program 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- */
-#include <sys/prctl.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <iostream>
-
-#include <QApplication>
-#include <QThread>
-
-#include <relpipe/cli/CLI.h>
-#include <relpipe/cli/RelpipeCLIException.h>
-#include <relpipe/reader/Factory.h>
-#include <relpipe/reader/RelationalReader.h>
-#include <relpipe/reader/RelpipeReaderException.h>
-
-#include "RelpipeChartMainWindow.h"
-#include "QtRelationalReaderStringHadler.h"
-
-using namespace relpipe::cli;
-using namespace relpipe::reader;
-
-// signal/slot parameters must be declared here and registered with qRegisterMetaType()
-
-Q_DECLARE_METATYPE(string_t)
-Q_DECLARE_METATYPE(std::vector<AttributeMetadata>)
-
-class RelationalReaderThread : public QThread {
-private:
-	std::shared_ptr<RelationalReader> reader;
-public:
-
-	// TODO: better background thread; lambda?
-
-	RelationalReaderThread(std::shared_ptr<RelationalReader> reader) :
-	reader(reader) {
-		setTerminationEnabled(true);
-	}
-
-	void run() {
-		try {
-			reader->process();
-		} catch (RelpipeReaderException& e) {
-			// TODO: handle exception, show error dialog
-			std::wcerr << L"RelpipeReaderException: " << e.getMessge() << std::endl;
-		}
-	}
-};
-
-int main(int argc, char**argv) {
-	CLI cli(argc, argv);
-	// TODO: argument name collisions? Filter arguments? Use prefix for Qt? Qt: -title, -style, -geometry
-	QApplication app(argc, argv);
-
-	std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
-	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
-
-	RelpipeChartMainWindow window;
-	window.show();
-
-	RelationalReaderThread t(reader);
-
-	// Proxy that passes calls from the background thread to the GUI thread using signal-slot mechanism:
-	QtRelationalReaderStringHadler handler(&t); // &t instead of handler.moveToThread(&t); // QObject::moveToThread: Cannot move objects with a parent
-
-	// see Q_DECLARE_METATYPE above
-	qRegisterMetaType<string_t>();
-	qRegisterMetaType<std::vector < AttributeMetadata >> ();
-
-	QObject::connect(&handler, &QtRelationalReaderStringHadler::startRelationReceived, &window, &RelpipeChartMainWindow::startRelation, Qt::ConnectionType::QueuedConnection);
-	QObject::connect(&handler, &QtRelationalReaderStringHadler::attributeReceived, &window, &RelpipeChartMainWindow::attribute, Qt::ConnectionType::QueuedConnection);
-	QObject::connect(&handler, &QtRelationalReaderStringHadler::endOfPipeReceived, &window, &RelpipeChartMainWindow::endOfPipe, Qt::ConnectionType::QueuedConnection);
-
-	reader->addHandler(&handler);
-
-	// Start background thread
-	t.start();
-
-	int qtResultCode = app.exec();
-
-	if (qtResultCode == 0) {
-		resultCode = CLI::EXIT_CODE_SUCCESS;
-	} else {
-		// TODO: report and log Qt errors if any
-	}
-
-	if (t.isRunning()) {
-		std::wcerr << L"Background RelationalReader thread is still running → terminate()" << std::endl;
-		t.terminate();
-		std::wcerr << L"Background RelationalReader thread was terminated → wait()" << std::endl;
-		t.wait();
-		std::wcerr << L"Background RelationalReader thread wait() finished" << std::endl;
-	}
-
-	return resultCode;
-}