kumir2-launcher.cpp 12.3 KB
Newer Older
victor's avatar
 
victor committed
1
#include <QtCore>
Victor Yacovlev's avatar
Victor Yacovlev committed
2 3 4
#if QT_VERSION >= 0x050000
#include <QtWidgets>
#else
victor's avatar
 
victor committed
5
#include <QtGui>
Victor Yacovlev's avatar
Victor Yacovlev committed
6
#endif
victor's avatar
 
victor committed
7

8 9
#include <kumir2-libs/extensionsystem/pluginmanager.h>
#include <kumir2-libs/extensionsystem/logger.h>
victor's avatar
 
victor committed
10

11
static QString resolvePath(const char *what)
12
{
13 14 15 16 17 18 19 20 21 22 23 24
	static QString ExecDir = QString::fromLatin1(KUMIR2_EXEC_DIR);
	static QString MyDir = QCoreApplication::applicationDirPath();
	static int RootDistLevelUp = ExecDir.isEmpty()
		? 0
		: ExecDir.count("/") + 1;
	QString result = MyDir;
	for (int i = 0; i < RootDistLevelUp; ++i) {
		result += "/../";
	}
	result += QString::fromLatin1(what);
	result = QDir::cleanPath(result);
	return result;
25
}
victor's avatar
 
victor committed
26

Victor Yacovlev's avatar
Victor Yacovlev committed
27
#if QT_VERSION < 0x050000
victor's avatar
 
victor committed
28
void GuiMessageOutput(QtMsgType type, const char *msg)
Victor Yacovlev's avatar
Victor Yacovlev committed
29
#else
30
void GuiMessageOutput(QtMsgType type, const QMessageLogContext &, const QString &msg)
Victor Yacovlev's avatar
Victor Yacovlev committed
31
#endif
victor's avatar
 
victor committed
32
{
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
	ExtensionSystem::Logger *logger = ExtensionSystem::Logger::instance();
	switch (type) {
	case QtDebugMsg:
		logger->debug(msg);
		break;
	case QtWarningMsg:
		logger->warning(msg);
		break;
	case QtCriticalMsg:
		logger->critical(msg);
		break;
	case QtFatalMsg:
		logger->fatal(msg);
		abort();
	default:
		break;
	}
victor's avatar
 
victor committed
50 51 52 53
}

void ConsoleMessageOutput(QtMsgType type, const char *msg)
{
54 55
	switch (type) {
	case QtDebugMsg:
victor's avatar
 
victor committed
56
//        fprintf(stderr, "Debug: %s\n", msg);
57 58
		break;
	case QtWarningMsg:
victor's avatar
 
victor committed
59
//        fprintf(stderr, "Warning: %s\n", msg);
60 61 62 63 64 65 66 67 68 69
		break;
	case QtCriticalMsg:
		fprintf(stderr, "Critical: %s\n", msg);
		break;
	case QtFatalMsg:
		fprintf(stderr, "Fatal: %s\n", msg);
		abort();
	default:
		break;
	}
victor's avatar
 
victor committed
70 71
}

72
void showErrorMessage(const QString &text)
victor's avatar
 
victor committed
73
{
74
	bool gui = true;
75
#ifdef Q_OS_LINUX
76
	gui = gui && getenv("DISPLAY") != 0;
victor's avatar
 
victor committed
77 78
#endif

79 80 81 82 83
	if (gui) {
		QMessageBox::critical(0, "Kumir 2 Launcher", text);
	} else {
		fprintf(stderr, "%s", qPrintable(text));
	}
victor's avatar
 
victor committed
84 85
}

victor's avatar
 
victor committed
86 87
QString getLanguage()
{
88
	return "ru"; // TODO implement sometime in future...
victor's avatar
 
victor committed
89 90
}

91 92 93
static
QList<QDir> translationsDirs()
{
94
	QList<QDir> result;
95

96 97 98 99 100 101
	// Translations dir from base distribution
	const QString sharePath = resolvePath(KUMIR2_RESOURCES_DIR);
	QDir baseTranslationsDir(sharePath + "/translations");
	if (baseTranslationsDir.exists()) {
		result.append(baseTranslationsDir);
	}
102 103

#ifdef Q_OS_LINUX
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
	// Search additional paths
	const QString homePath = QString::fromLocal8Bit(::getenv("HOME"));
	const QStringList extraPaths = QStringList()
		<< "/usr/share/kumir2/translations"
		<< "/usr/local/share/kumir2/translations"
		<< "/opt/kumir2/share/translations"
		<< "/opt/kumir/share/translations"
		<< homePath + "/.local/share/kumir2/translations"
		<< QDir::currentPath() + "/translations"
		;

	Q_FOREACH (const QString &path, extraPaths) {
		QDir candidate(path);
		if (candidate.exists()) {
			result.append(candidate);
		}
	}
121 122
#endif

123
	return result;
124
}
victor's avatar
 
victor committed
125

126
class Application : QObject
Victor Yacovlev's avatar
Victor Yacovlev committed
127 128
{
public:
129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168
	inline explicit Application(int &argc, char **argv, bool gui)
		: QObject()
		, _qApp(0)
		, _timerId(-1)
		, _splashScreen(nullptr)
		, _started(false)
	{
		if (gui) {
			_qApp = new QApplication(argc, argv);
		} else {
			_qApp = new QCoreApplication(argc, argv);
		}
		_qApp->installEventFilter(this);
	}

	inline void setSplashScreen(QSplashScreen *s)
	{
		_splashScreen = s;
	}

	inline void initialize()
	{
		const QStringList arguments = _qApp->arguments();
		qDebug() << "Arguments: " << arguments;
		bool mustShowHelpAndExit = false;
		bool mustShowVersionAndExit = false;
		for (int i = 1; i < arguments.size(); i++) {
			const QString &argument = arguments[i];
			if (argument == "--help" || argument == "-h" || argument == "/?") {
				mustShowHelpAndExit = true;
				break;
			} else if (argument == "--version") {
				mustShowVersionAndExit = true;
				break;
			} else if (!argument.startsWith("-")) {
				break;
			}
		}

		bool gui = true;
169
#ifdef Q_OS_LINUX
170
		gui = gui && getenv("DISPLAY") != 0;
171
#endif
172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215
		const QList<QDir> tsDirs = translationsDirs();
		Q_FOREACH (const QDir &translationsDir, tsDirs) {
			QStringList ts_files = translationsDir.entryList(QStringList() << "*_" + getLanguage() + ".qm");
			foreach (QString tsname, ts_files) {
				tsname = tsname.mid(0, tsname.length() - 3);
				QTranslator *tr = new QTranslator(_qApp);
				if (tr->load(tsname, translationsDir.absolutePath())) {
					_qApp->installTranslator(tr);
				}
			}
		}

		const QString sharePath = resolvePath(KUMIR2_RESOURCES_DIR);
		_qApp->setProperty("sharePath", sharePath);

		QSettings::setDefaultFormat(QSettings::IniFormat);
		_qApp->addLibraryPath(resolvePath(KUMIR2_LIBS_DIR));
		_qApp->addLibraryPath(resolvePath(KUMIR2_PLUGINS_DIR));
		ExtensionSystem::PluginManager *manager = ExtensionSystem::PluginManager::instance();
		manager->setPluginPath(resolvePath(KUMIR2_PLUGINS_DIR));
		manager->setSharePath(sharePath);
		QString error;
		qDebug() << "Initialized plugin manager";
#ifdef CONFIGURATION_TEMPLATE
		const QByteArray defaultTemplate = CONFIGURATION_TEMPLATE;
#else
#error No default configuration passed to GCC
#endif
		QByteArray templ = defaultTemplate;
		for (int i = 1; i < arguments.size(); i++) {
			QByteArray arg = arguments[i].toLatin1();
			if (arg.startsWith("[") && arg.endsWith("]")) {
				templ = arg.mid(1, arg.length() - 2);
			}
		}
		qDebug() << "Loading plugins by template: " << templ;
		error = manager->loadPluginsByTemplate(templ);
		if (!gui && manager->isGuiRequired()) {
			if (_splashScreen) {
				_splashScreen->finish(0);
			}
			showErrorMessage("Requires X11 session to run this configuration");
			_qApp->exit(1);
		}
216

Victor Yacovlev's avatar
Victor Yacovlev committed
217 218 219
//        qInstallMsgHandler(manager->isGuiRequired()
//                           ? GuiMessageOutput
//                           : ConsoleMessageOutput);
220

221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
		if (!error.isEmpty()) {
			if (_splashScreen) {
				_splashScreen->finish(0);
			}
			showErrorMessage(error);
			_qApp->exit(1);
		}

		qDebug() << "Done loading all plugins by template";

		if (mustShowHelpAndExit) {
			if (_splashScreen) {
				_splashScreen->finish(0);
			}
			const QString msg = manager->commandLineHelp();
236
#ifdef Q_OS_WIN32
237 238
			QTextCodec *codec = QTextCodec::codecForName("CP866");
			fprintf(stderr, "%s", codec->fromUnicode(msg).constData());
239
#else
240
			fprintf(stderr, "%s", msg.toLocal8Bit().data());
241
#endif
242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311
			_qApp->exit(0);
			return;
		}

		if (mustShowVersionAndExit) {
			fprintf(stderr, "%s\n", qPrintable(_qApp->applicationVersion()));
			_qApp->exit(0);
			return;
		}
		qDebug() << "Begin plugins initialization";
		error = manager->initializePlugins();
		if (!error.isEmpty()) {
			if (_splashScreen) {
				_splashScreen->finish(0);
			}
			showErrorMessage(error);
			_qApp->exit(_qApp->property("returnCode").isValid()
				? _qApp->property("returnCode").toInt() : 1);
		}
		// GUI requirement may be changed as result of plugins initialization,
		// so check it again
		qDebug() << "Plugins initialization done";
		if (!gui && manager->isGuiRequired()) {
			showErrorMessage("Requires X11 session to run this configuration");
			_qApp->exit(_qApp->property("returnCode").isValid()
				? _qApp->property("returnCode").toInt() : 1);
		}
		if (_splashScreen) {
			_splashScreen->finish(0);
		}
		qDebug() << "Starting entry point plugin";
		error = manager->start();
		if (!error.isEmpty()) {
			if (_splashScreen) {
				_splashScreen->finish(0);
			}
			showErrorMessage(error);
			_qApp->exit(_qApp->property("returnCode").isValid()
				? _qApp->property("returnCode").toInt() : 1);
		}
		if (!manager->isGuiRequired()) {
			_qApp->quit();
		}
	}

	inline bool eventFilter(QObject *obj, QEvent *event)
	{
		if (event->type() == QEvent::Timer && obj == _qApp && !_started) {
			_started = true;
			_qApp->killTimer(_timerId);
			qDebug() << "Begin initialization";
			initialize();
			qDebug() << "Initialization done";
			return true;
		} else {
			return QObject::eventFilter(obj, event);
		}
	}

	inline int main()
	{
		_timerId = _qApp->startTimer(250);
		int ret = _qApp->exec();
		if (ret == 0) {
			return _qApp->property("returnCode").isValid()
				? _qApp->property("returnCode").toInt() : 0;
		} else {
			return ret;
		}
	}
312

313
private:
314 315 316 317
	QCoreApplication *_qApp;
	int _timerId;
	QSplashScreen *_splashScreen;
	bool _started;
318

Victor Yacovlev's avatar
Victor Yacovlev committed
319 320
};

321 322

bool
323
setup_custom_vendor_information(QCoreApplication *app)
324
{
325 326 327 328 329 330
	QString appName;
	QString appVendor;
	QString appVersion;
	QString appLicenseFileName;
	QString appAboutFileName;
	bool result = false;
331
#ifdef APP_NAME
332 333
	appName = QString::fromLatin1(APP_NAME);
	result = true;
334 335
#endif
#ifdef APP_NAME_ru
336 337
	appName = QString::fromUtf8(APP_NAME_ru);
	result = true;
338 339
#endif
#ifdef APP_VENDOR
340
	appVendor = QString::fromLatin1(APP_VENDOR);
341 342
#endif
#ifdef APP_VENDOR_RU
343
	appVendor = QString::fromUtf8(APP_VENDOR_ru);
344 345
#endif
#ifdef APP_VERSION
346
	appVersion = QString::fromLatin1(APP_VERSION);
347 348
#endif
#ifdef APP_LICENSE
349
	appLicenseFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_LICENSE);
350 351
#endif
#ifdef APP_LICENSE_ru
352
	appLicenseFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_LICENSE_ru);
353 354
#endif
#ifdef APP_ABOUT
355
	appAboutFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_ABOUT);
356 357
#endif
#ifdef APP_ABOUT_ru
358
	appAboutFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_ABOUT_ru);
359
#endif
360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375
	if (appName.length() > 0) {
		app->setProperty("customAppName", appName);
	}
	if (appVendor.length() > 0) {
		app->setProperty("customAppVendor", appVendor);
	}
	if (appVersion.length() > 0) {
		app->setProperty("customAppVersion", appVersion);
	}
	if (appLicenseFileName.length() > 0) {
		app->setProperty("customAppLicense", appLicenseFileName);
	}
	if (appAboutFileName.length() > 0) {
		app->setProperty("customAppAbout", appAboutFileName);
	}
	return result;
376 377
}

victor's avatar
 
victor committed
378
int main(int argc, char **argv)
379
{
Victor Yacovlev's avatar
Victor Yacovlev committed
380
#if QT_VERSION < 0x050000
381
	qInstallMsgHandler(GuiMessageOutput);
Victor Yacovlev's avatar
Victor Yacovlev committed
382
#else
383
	qInstallMessageHandler(GuiMessageOutput);
Victor Yacovlev's avatar
Victor Yacovlev committed
384
#endif
385 386 387 388
	QString gitHash = QString::fromLatin1(GIT_HASH);
	QString gitTag = QString::fromLatin1(GIT_TAG);
	QString gitBranch = QString::fromLatin1(GIT_BRANCH);
	QDateTime gitTimeStamp = QDateTime::fromTime_t(QString::fromLatin1(GIT_TIMESTAMP).toUInt());
389

390
	bool gui = true;
391

392
#ifdef Q_OS_LINUX
393
	gui = gui && getenv("DISPLAY") != 0;
victor's avatar
 
victor committed
394
#endif
395 396 397

	Application *app = new Application(argc, argv, gui);

398
#ifdef WINDOW_ICON
399 400 401 402 403 404
	if (gui) {
		QApplication *guiApp = qobject_cast<QApplication *>(qApp);
		QString imgPath = ":/kumir2-launcher/" + QString::fromLatin1(WINDOW_ICON);
		QIcon icon(imgPath);
		guiApp->setWindowIcon(icon);
	}
405
#endif
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437

	QLocale russian = QLocale("ru_RU");
	QLocale::setDefault(russian);

	qApp->addLibraryPath(resolvePath(KUMIR2_LIBS_DIR));
	qApp->addLibraryPath(resolvePath(KUMIR2_PLUGINS_DIR));

	qApp->setApplicationVersion(gitTag.length() > 0 && gitTag != "unknown"
		? gitTag : gitBranch + "/" + gitHash);
	qApp->setProperty("gitTimeStamp", gitTimeStamp);


	QString sharePath = resolvePath(KUMIR2_RESOURCES_DIR);

	QStringList arguments = QCoreApplication::instance()->arguments();
	bool mustShowHelpAndExit = false;
	bool mustShowVersionAndExit = false;
	for (int i = 1; i < arguments.size(); i++) {
		const QString &argument = arguments[i];
		if (argument == "--help" || argument == "-h" || argument == "/?") {
			mustShowHelpAndExit = true;
			break;
		} else if (argument == "--version") {
			mustShowVersionAndExit = true;
			break;
		} else if (!argument.startsWith("-")) {
			break;
		}
	}

	const bool customAppAndVendorInformation = setup_custom_vendor_information(qobject_cast<QCoreApplication *>(qApp));
	Q_UNUSED(customAppAndVendorInformation);
438

victor's avatar
 
victor committed
439
#ifdef SPLASHSCREEN
440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482
	QSplashScreen *splashScreen = 0;
	if (gui && !mustShowHelpAndExit && !mustShowVersionAndExit) {
		QString imgPath = ":/kumir2-launcher/" + QString::fromLatin1(SPLASHSCREEN);
		splashScreen = new QSplashScreen();
		QImage img(imgPath);
		QPainter p(&img);
		p.setPen(QColor(Qt::black));
		p.setBrush(QColor(Qt::black));
		QFont f = p.font();

		f.setPixelSize(12);
		p.setFont(f);

		QString v;
		if (customAppAndVendorInformation) {
			v = qApp->property("customAppVersion").toString() + " ";
			v += "[based on Kumir ";
		}
		v = qApp->applicationVersion();
		if (qApp->property("gitHash").isValid()) {
			v += " (GIT " + qApp->property("gitHash").toString() + ")";
		}
		if (customAppAndVendorInformation) {
			v += "]";
		}
		int tw = QFontMetrics(f).width(v);
		int th = QFontMetrics(f).height() * 5;
		int x = img.width() - tw - 8;
		int y = 8;
		p.drawText(x, y, tw, th, 0, v);
		p.end();
		QPixmap px = QPixmap::fromImage(img);
		splashScreen->setPixmap(px);
		splashScreen->show();
		qApp->processEvents();
		app->setSplashScreen(splashScreen);
	}
#endif

	int ret = app->main();
	ExtensionSystem::PluginManager::destroy();
	delete app;
	return ret;
victor's avatar
 
victor committed
483 484
}