src/relpipe-out-chart.cpp
author František Kučera <franta-hg@frantovo.cz>
Sat, 29 Sep 2018 14:14:00 +0200
branchv_0
changeset 17 dad72beb3ebe
parent 16 b6f790137bb8
child 18 16784291982f
permissions -rw-r--r--
rename background thread to RelationalReaderThread
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#include <iostream>
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#include <QApplication>
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#include <QThread>
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#include <relpipe/cli/CLI.h>
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#include <relpipe/cli/RelpipeCLIException.h>
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#include <relpipe/reader/Factory.h>
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#include <relpipe/reader/RelationalReader.h>
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#include <relpipe/reader/RelpipeReaderException.h>
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#include "RelpipeChartMainWindow.h"
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#include "QtRelationalReaderStringHadler.h"
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using namespace relpipe::cli;
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using namespace relpipe::reader;
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class RelationalReaderThread : public QThread {
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private:
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	std::shared_ptr<RelationalReader> reader;
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public:
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	// TODO: better background thread; lambda?
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	RelationalReaderThread(std::shared_ptr<RelationalReader> reader) :
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	reader(reader) {
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		setTerminationEnabled(true);
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	}
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	void run() {
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		try {
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			reader->process();
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		} catch (RelpipeReaderException& e) {
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			// TODO: handle exception, show error dialog
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			std::wcerr << L"RelpipeReaderException: " << e.getMessge() << std::endl;
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		}
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	}
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};
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int main(int argc, char**argv) {
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	CLI cli(argc, argv);
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	// TODO: argument name collisions? Filter arguments? Use prefix for Qt? Qt: -title, -style, -geometry
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	QApplication app(argc, argv);
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	std::cout << "TODO: relpipe-out-chart..." << std::endl;
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	std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
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	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
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	RelpipeChartMainWindow window;
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	// TODO: remove; just demo
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	QObject::connect(&window, &RelpipeChartMainWindow::signal123, &window, &RelpipeChartMainWindow::slot123);
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	window.show();
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	QtRelationalReaderStringHadler handler(&app, &window);
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	reader->addHandler(&handler);
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	// Start background thread
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	RelationalReaderThread t(reader);
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	t.start();
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	// ---
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	// window.signal123();
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	app.exec();
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	//return app.exec();
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	if (t.isRunning()) {
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		std::wcerr << L"Background RelationalReader thread is still running → terminate()" << std::endl;
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		t.terminate();
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		std::wcerr << L"Background RelationalReader thread was terminated → wait()" << std::endl;
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		t.wait();
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		std::wcerr << L"Background RelationalReader thread wait() finished" << std::endl;
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	}
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	return resultCode;
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}