kumir2-launcher.cpp 12.4 KB
Newer Older
Alexander A. Maly's avatar
Alexander A. Maly committed
1 2 3 4 5 6 7 8 9
#include <QDateTime>
#include <QDebug>
#include <QMessageBox>
#include <QTranslator>
#include <QDir>
#include <QIcon>
#include <QPainter>
#include <QSplashScreen>
#include <QApplication>
10
#include <QTextCodec>
victor's avatar
 
victor committed
11

12 13
#include <kumir2-libs/extensionsystem/pluginmanager.h>
#include <kumir2-libs/extensionsystem/logger.h>
victor's avatar
 
victor committed
14

15
static QString resolvePath(const char *what)
16
{
17 18 19 20 21 22 23 24 25 26 27 28
	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;
29
}
victor's avatar
 
victor committed
30

Victor Yacovlev's avatar
Victor Yacovlev committed
31
#if QT_VERSION < 0x050000
victor's avatar
 
victor committed
32
void GuiMessageOutput(QtMsgType type, const char *msg)
Victor Yacovlev's avatar
Victor Yacovlev committed
33
#else
34
void GuiMessageOutput(QtMsgType type, const QMessageLogContext &, const QString &msg)
Victor Yacovlev's avatar
Victor Yacovlev committed
35
#endif
victor's avatar
 
victor committed
36
{
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
	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
54 55 56 57
}

void ConsoleMessageOutput(QtMsgType type, const char *msg)
{
58 59
	switch (type) {
	case QtDebugMsg:
victor's avatar
 
victor committed
60
//        fprintf(stderr, "Debug: %s\n", msg);
61 62
		break;
	case QtWarningMsg:
victor's avatar
 
victor committed
63
//        fprintf(stderr, "Warning: %s\n", msg);
64 65 66 67 68 69 70 71 72 73
		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
74 75
}

76
void showErrorMessage(const QString &text)
victor's avatar
 
victor committed
77
{
78
	bool gui = true;
79
#ifdef Q_OS_LINUX
80
	gui = gui && getenv("DISPLAY") != 0;
victor's avatar
 
victor committed
81 82
#endif

83 84 85 86 87
	if (gui) {
		QMessageBox::critical(0, "Kumir 2 Launcher", text);
	} else {
		fprintf(stderr, "%s", qPrintable(text));
	}
victor's avatar
 
victor committed
88 89
}

victor's avatar
 
victor committed
90 91
QString getLanguage()
{
92
	return "ru"; // TODO implement sometime in future...
victor's avatar
 
victor committed
93 94
}

95 96 97
static
QList<QDir> translationsDirs()
{
98
	QList<QDir> result;
99

100 101 102 103 104 105
	// Translations dir from base distribution
	const QString sharePath = resolvePath(KUMIR2_RESOURCES_DIR);
	QDir baseTranslationsDir(sharePath + "/translations");
	if (baseTranslationsDir.exists()) {
		result.append(baseTranslationsDir);
	}
106 107

#ifdef Q_OS_LINUX
108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124
	// 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);
		}
	}
125 126
#endif

127
	return result;
128
}
victor's avatar
 
victor committed
129

130
class Application : QObject
Victor Yacovlev's avatar
Victor Yacovlev committed
131 132
{
public:
Alexander A. Maly's avatar
Alexander A. Maly committed
133
	explicit Application(int &argc, char **argv, bool gui)
134 135 136 137 138 139 140 141 142 143 144 145 146 147
		: 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);
	}

Alexander A. Maly's avatar
Alexander A. Maly committed
148
	void setSplashScreen(QSplashScreen *s)
149 150 151 152
	{
		_splashScreen = s;
	}

Alexander A. Maly's avatar
Alexander A. Maly committed
153
	void initialize()
154
	{
Alexander A. Maly's avatar
Alexander A. Maly committed
155
		QStringList arguments = _qApp->arguments();
156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172
		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;
173
#ifdef Q_OS_LINUX
174
		gui = gui && getenv("DISPLAY") != 0;
175
#endif
176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
		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);
		}
220

Victor Yacovlev's avatar
Victor Yacovlev committed
221 222 223
//        qInstallMsgHandler(manager->isGuiRequired()
//                           ? GuiMessageOutput
//                           : ConsoleMessageOutput);
224

225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
		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();
240
#ifdef Q_OS_WIN32
241 242
			QTextCodec *codec = QTextCodec::codecForName("CP866");
			fprintf(stderr, "%s", codec->fromUnicode(msg).constData());
243
#else
244
			fprintf(stderr, "%s", msg.toLocal8Bit().data());
245
#endif
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
			_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();
		}
	}

Alexander A. Maly's avatar
Alexander A. Maly committed
291
	bool eventFilter(QObject *obj, QEvent *event)
292 293 294 295 296 297 298 299 300 301 302 303 304
	{
		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);
		}
	}

Alexander A. Maly's avatar
Alexander A. Maly committed
305
	int main()
306 307 308 309 310 311 312 313 314 315
	{
		_timerId = _qApp->startTimer(250);
		int ret = _qApp->exec();
		if (ret == 0) {
			return _qApp->property("returnCode").isValid()
				? _qApp->property("returnCode").toInt() : 0;
		} else {
			return ret;
		}
	}
316

317
private:
318 319 320 321
	QCoreApplication *_qApp;
	int _timerId;
	QSplashScreen *_splashScreen;
	bool _started;
322

Victor Yacovlev's avatar
Victor Yacovlev committed
323 324
};

325 326

bool
327
setup_custom_vendor_information(QCoreApplication *app)
328
{
329 330 331 332 333 334
	QString appName;
	QString appVendor;
	QString appVersion;
	QString appLicenseFileName;
	QString appAboutFileName;
	bool result = false;
335
#ifdef APP_NAME
336 337
	appName = QString::fromLatin1(APP_NAME);
	result = true;
338 339
#endif
#ifdef APP_NAME_ru
340 341
	appName = QString::fromUtf8(APP_NAME_ru);
	result = true;
342 343
#endif
#ifdef APP_VENDOR
344
	appVendor = QString::fromLatin1(APP_VENDOR);
345 346
#endif
#ifdef APP_VENDOR_RU
347
	appVendor = QString::fromUtf8(APP_VENDOR_ru);
348 349
#endif
#ifdef APP_VERSION
350
	appVersion = QString::fromLatin1(APP_VERSION);
351 352
#endif
#ifdef APP_LICENSE
353
	appLicenseFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_LICENSE);
354 355
#endif
#ifdef APP_LICENSE_ru
356
	appLicenseFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_LICENSE_ru);
357 358
#endif
#ifdef APP_ABOUT
359
	appAboutFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_ABOUT);
360 361
#endif
#ifdef APP_ABOUT_ru
362
	appAboutFileName = ":/kumir2-launcher/" + QString::fromLatin1(APP_ABOUT_ru);
363
#endif
364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379
	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;
380 381
}

victor's avatar
 
victor committed
382
int main(int argc, char **argv)
383
{
Victor Yacovlev's avatar
Victor Yacovlev committed
384
#if QT_VERSION < 0x050000
385
	qInstallMsgHandler(GuiMessageOutput);
Victor Yacovlev's avatar
Victor Yacovlev committed
386
#else
387
	qInstallMessageHandler(GuiMessageOutput);
Victor Yacovlev's avatar
Victor Yacovlev committed
388
#endif
389 390 391 392
	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());
393

394
	bool gui = true;
395

396
#ifdef Q_OS_LINUX
397
	gui = gui && getenv("DISPLAY") != 0;
victor's avatar
 
victor committed
398
#endif
399 400 401

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

402
#ifdef WINDOW_ICON
403 404 405 406 407 408
	if (gui) {
		QApplication *guiApp = qobject_cast<QApplication *>(qApp);
		QString imgPath = ":/kumir2-launcher/" + QString::fromLatin1(WINDOW_ICON);
		QIcon icon(imgPath);
		guiApp->setWindowIcon(icon);
	}
409
#endif
410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439

	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;
		}
	}

Alexander A. Maly's avatar
Alexander A. Maly committed
440 441 442 443
	bool customAppAndVendorInformation = setup_custom_vendor_information(qobject_cast<QCoreApplication *>(qApp));

	Q_UNUSED(mustShowHelpAndExit);
	Q_UNUSED(mustShowVersionAndExit);
444
	Q_UNUSED(customAppAndVendorInformation);
445

victor's avatar
 
victor committed
446
#ifdef SPLASHSCREEN
447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489
	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
490 491
}