tests/uqmlscene/main.cpp · unity8

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42#include <QtCore/qdebug.h>

43#include <QtCore/qabstractanimation.h>

44#include <QtCore/qdir.h>

45#include <QtCore/qmath.h>

46#include <QtCore/qdatetime.h>

48#include <QtGui/QGuiApplication>

50#include <QtQml/qqml.h>

51#include <QtQml/qqmlengine.h>

52#include <QtQml/qqmlcomponent.h>

53#include <QtQml/qqmlcontext.h>

55#include <QtQuick/qquickitem.h>

56#include <QtQuick/qquickview.h>

58#ifdef QT_WIDGETS_LIB

59#include <QtWidgets/QApplication>

60#include <QtWidgets/QFileDialog>

61#endif

63#include <QtCore/QTranslator>

64#include <QtCore/QLibraryInfo>

66#include <MouseTouchAdaptor.h>

68#ifdef QML_RUNTIME_TESTING

69class RenderStatistics

70{

71public:

72 static void updateStats();

73 static void printTotalStats();

74private:

75 static QVector<qreal> timePerFrame;

76 static QVector<int> timesPerFrames;

77};

79QVector<qreal> RenderStatistics::timePerFrame;

80QVector<int> RenderStatistics::timesPerFrames;

82void RenderStatistics::updateStats()

83{

84 static QTime time;

85 static int frames;

86 static int lastTime;

88 if (frames == 0) {

89 time.start();

90 } else {

91 int elapsed = time.elapsed();

92 timesPerFrames.append(elapsed - lastTime);

93 lastTime = elapsed;

95 if (elapsed > 5000) {

96 qreal avgtime = elapsed / (qreal) frames;

97 qreal var = 0;

98 for (int i = 0; i < timesPerFrames.size(); ++i) {

99 qreal diff = timesPerFrames.at(i) - avgtime;

100 var += diff * diff;

101 }

102 var /= timesPerFrames.size();

103

104 qDebug("Average time per frame: %f ms (%i fps), std.dev: %f ms", avgtime, qRound(1000. / avgtime), qSqrt(var));

105

106 timePerFrame.append(avgtime);

107 timesPerFrames.clear();

108 time.start();

109 lastTime = 0;

110 frames = 0;

111 }

112 }

113 ++frames;

114}

115

116void RenderStatistics::printTotalStats()

117{

118 int count = timePerFrame.count();

119 if (count == 0)

120 return;

121

122 qreal minTime = 0;

123 qreal maxTime = 0;

124 qreal avg = 0;

125 for (int i = 0; i < count; ++i) {

126 minTime = minTime == 0 ? timePerFrame.at(i) : qMin(minTime, timePerFrame.at(i));

127 maxTime = qMax(maxTime, timePerFrame.at(i));

128 avg += timePerFrame.at(i);

129 }

130 avg /= count;

131

132 qDebug(" ");

133 qDebug("----- Statistics -----");

134 qDebug("Average time per frame: %f ms (%i fps)", avg, qRound(1000. / avg));

135 qDebug("Best time per frame: %f ms (%i fps)", minTime, int(1000 / minTime));

136 qDebug("Worst time per frame: %f ms (%i fps)", maxTime, int(1000 / maxTime));

137 qDebug("----------------------");

138 qDebug(" ");

139}

140#endif

141

142struct Options

143{

144 Options()

145 : originalQml(false)

146 , originalQmlRaster(false)

147 , maximized(false)

148 , fullscreen(false)

149 , transparent(false)

150 , clip(false)

151 , versionDetection(true)

152 , quitImmediately(false)

153 , resizeViewToRootItem(false)

154 , multisample(false)

155 {

156 }

157

158 QUrl file;

159 bool originalQml;

160 bool originalQmlRaster;

161 bool maximized;

162 bool fullscreen;

163 bool transparent;

164 bool scenegraphOnGraphicsview;

165 bool clip;

166 bool versionDetection;

167 bool quitImmediately;

168 bool resizeViewToRootItem;

169 bool multisample;

170 QString translationFile;

171};

172

173#if defined(QMLSCENE_BUNDLE)

174QFileInfoList findQmlFiles(const QString &dirName)

175{

176 QDir dir(dirName);

177

178 QFileInfoList ret;

179 if (dir.exists()) {

180 QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",

181 QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);

182

183 Q_FOREACH (QFileInfo fileInfo, fileInfos) {

184 if (fileInfo.isDir())

185 ret += findQmlFiles(fileInfo.filePath());

186 else if (fileInfo.fileName().length() > 0 && fileInfo.fileName().at(0).isLower())

187 ret.append(fileInfo);

188 }

189 }

190

191 return ret;

192}

193

194static int displayOptionsDialog(Options *options)

195{

196 QDialog dialog;

197

198 QFormLayout *layout = new QFormLayout(&dialog);

199

200 QComboBox *qmlFileComboBox = new QComboBox(&dialog);

201 QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");

202

203 Q_FOREACH (QFileInfo fileInfo, fileInfos)

204 qmlFileComboBox->addItem(fileInfo.dir().dirName() + "/" + fileInfo.fileName(), QVariant::fromValue(fileInfo));

205

206 QCheckBox *originalCheckBox = new QCheckBox(&dialog);

207 originalCheckBox->setText("Use original QML viewer");

208 originalCheckBox->setChecked(options->originalQml);

209

210 QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);

211 fullscreenCheckBox->setText("Start fullscreen");

212 fullscreenCheckBox->setChecked(options->fullscreen);

213

214 QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);

215 maximizedCheckBox->setText("Start maximized");

216 maximizedCheckBox->setChecked(options->maximized);

217

218 QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,

219 Qt::Horizontal,

220 &dialog);

221 QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));

222 QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));

223

224 layout->addRow("Qml file:", qmlFileComboBox);

225 layout->addWidget(originalCheckBox);

226 layout->addWidget(maximizedCheckBox);

227 layout->addWidget(fullscreenCheckBox);

228 layout->addWidget(buttonBox);

229

230 int result = dialog.exec();

231 if (result == QDialog::Accepted) {

232 QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());

233 QFileInfo fileInfo = variant.value<QFileInfo>();

234

235 if (fileInfo.canonicalFilePath().startsWith(":"))

236 options->file = QUrl("qrc" + fileInfo.canonicalFilePath());

237 else

238 options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());

239 options->originalQml = originalCheckBox->isChecked();

240 options->maximized = maximizedCheckBox->isChecked();

241 options->fullscreen = fullscreenCheckBox->isChecked();

242 }

243 return result;

244}

245#endif

246

247static bool checkVersion(const QUrl &url)

248{

249 if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())

250 qWarning("QMLSCENE_IMPORT_NAME is no longer supported.");

251

252 QString fileName = url.toLocalFile();

253 if (fileName.isEmpty()) {

254 qWarning("qmlscene: filename required.");

255 return false;

256 }

257

258 QFile f(fileName);

259 if (!f.open(QFile::ReadOnly | QFile::Text)) {

260 qWarning("qmlscene: failed to check version of file '%s', could not open...",

261 qPrintable(fileName));

262 return false;

263 }

264

265 QRegExp quick1("^\\s*import +QtQuick +1\\.\\w*");

266 QRegExp qt47("^\\s*import +Qt +4\\.7");

267

268 QTextStream stream(&f);

269 bool codeFound= false;

270 while (!codeFound) {

271 QString line = stream.readLine();

272 if (line.contains("{")) {

273 codeFound = true;

274 } else {

275 QString import;

276 if (quick1.indexIn(line) >= 0)

277 import = quick1.cap(0).trimmed();

278 else if (qt47.indexIn(line) >= 0)

279 import = qt47.cap(0).trimmed();

280

281 if (!import.isNull()) {

282 qWarning("qmlscene: '%s' is no longer supported.\n"

283 "Use qmlviewer to load file '%s'.",

284 qPrintable(import),

285 qPrintable(fileName));

286 return false;

287 }

288 }

289 }

290

291 return true;

292}

293

294static void displayFileDialog(Options *options)

295{

296#if defined(QT_WIDGETS_LIB) && !defined(QT_NO_FILEDIALOG)

297 QString fileName = QFileDialog::getOpenFileName(0, "Open QML file", QString(), "QML Files (*.qml)");

298 if (!fileName.isEmpty()) {

299 QFileInfo fi(fileName);

300 options->file = QUrl::fromLocalFile(fi.canonicalFilePath());

301 }

302#else

303 Q_UNUSED(options);

304 qWarning("No filename specified...");

305#endif

306}

307

308#ifndef QT_NO_TRANSLATION

309static void loadTranslationFile(QTranslator &translator, const QString& directory)

310{

311 translator.load(QLatin1String("qml_" )+QLocale::system().name(), directory + QLatin1String("/i18n"));

312 QCoreApplication::installTranslator(&translator);

313}

314#endif

315

316static void loadDummyDataFiles(QQmlEngine &engine, const QString& directory)

317{

318 QDir dir(directory+"/dummydata", "*.qml");

319 QStringList list = dir.entryList();

320 for (int i = 0; i < list.size(); ++i) {

321 QString qml = list.at(i);

322 QFile f(dir.filePath(qml));

323 f.open(QIODevice::ReadOnly);

324 QByteArray data = f.readAll();

325 QQmlComponent comp(&engine);

326 comp.setData(data, QUrl());

327 QObject *dummyData = comp.create();

328

329 if(comp.isError()) {

330 QList<QQmlError> errors = comp.errors();

331 Q_FOREACH (const QQmlError &error, errors)

332 qWarning() << error;

333 }

334

335 if (dummyData) {

336 qWarning() << "Loaded dummy data:" << dir.filePath(qml);

337 qml.truncate(qml.length()-4);

338 engine.rootContext()->setContextProperty(qml, dummyData);

339 dummyData->setParent(&engine);

340 }

341 }

342}

343

344static QObject *s_testRootObject = nullptr;

345static QObject *testRootObject(QQmlEngine *engine, QJSEngine *jsEngine)

346{

347 Q_UNUSED(jsEngine);

348 if (!s_testRootObject) {

349 s_testRootObject = new QObject(engine);

350 }

351 return s_testRootObject;

352}

353

354static void usage()

355{

356 qWarning("Usage: uqmlscene [options] <filename>");

357 qWarning(" ");

358 qWarning(" Options:");

359 qWarning(" --maximized ............................... Run maximized");

360 qWarning(" --fullscreen .............................. Run fullscreen");

361 qWarning(" --transparent ............................. Make the window transparent");

362 qWarning(" --multisample ............................. Enable multisampling (OpenGL anti-aliasing)");

363 qWarning(" --no-version-detection .................... Do not try to detect the version of the .qml file");

364 qWarning(" --resize-to-root .......................... Resize the window to the size of the root item");

365 qWarning(" --quit .................................... Quit immediately after starting");

366 qWarning(" -I <path> ................................. Add <path> to the list of import paths");

367 qWarning(" -B <name> <file> .......................... Add a named bundle");

368 qWarning(" -translation <translationfile> ............ Set the language to run in");

369

370 qWarning(" ");

371 exit(1);

372}

373

374int main(int argc, char ** argv)

375{

376 Options options;

377

378 QStringList imports;

379 QList<QPair<QString, QString> > bundles;

380 for (int i = 1; i < argc; ++i) {

381 if (*argv[i] != '-' && QFileInfo(QFile::decodeName(argv[i])).exists()) {

382 options.file = QUrl::fromLocalFile(argv[i]);

383 } else {

384 const QString lowerArgument = QString::fromLatin1(argv[i]).toLower();

385 if (lowerArgument == QLatin1String("--maximized"))

386 options.maximized = true;

387 else if (lowerArgument == QLatin1String("--fullscreen"))

388 options.fullscreen = true;

389 else if (lowerArgument == QLatin1String("--transparent"))

390 options.transparent = true;

391 else if (lowerArgument == QLatin1String("--clip"))

392 options.clip = true;

393 else if (lowerArgument == QLatin1String("--no-version-detection"))

394 options.versionDetection = false;

395 else if (lowerArgument == QLatin1String("--quit"))

396 options.quitImmediately = true;

397 else if (lowerArgument == QLatin1String("-translation"))

398 options.translationFile = QLatin1String(argv[++i]);

399 else if (lowerArgument == QLatin1String("--resize-to-root"))

400 options.resizeViewToRootItem = true;

401 else if (lowerArgument == QLatin1String("--multisample"))

402 options.multisample = true;

403 else if (lowerArgument == QLatin1String("-i") && i + 1 < argc)

404 imports.append(QString::fromLatin1(argv[++i]));

405 else if (lowerArgument == QLatin1String("-b") && i + 2 < argc) {

406 QString name = QString::fromLatin1(argv[++i]);

407 QString file = QString::fromLatin1(argv[++i]);

408 bundles.append(qMakePair(name, file));

409 } else if (lowerArgument == QLatin1String("--help")

410 || lowerArgument == QLatin1String("-help")

411 || lowerArgument == QLatin1String("--h")

412 || lowerArgument == QLatin1String("-h"))

413 usage();

414 }

415 }

416

417#ifdef QT_WIDGETS_LIB

418 QApplication app(argc, argv);

419#else

420 QGuiApplication app(argc, argv);

421#endif

422 app.setApplicationName("Unity8 QtQmlViewer");

423 app.setOrganizationName("Qt Project");

424 app.setOrganizationDomain("qt-project.org");

425

426 MouseTouchAdaptor mouseTouchAdaptor;

427 app.installNativeEventFilter(&mouseTouchAdaptor);

428

429#ifndef QT_NO_TRANSLATION

430 QTranslator translator;

431 QTranslator qtTranslator;

432 QString sysLocale = QLocale::system().name();

433 if (translator.load(QLatin1String("qmlscene_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {

434 app.installTranslator(&translator);

435 if (qtTranslator.load(QLatin1String("qt_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {

436 app.installTranslator(&qtTranslator);

437 } else {

438 app.removeTranslator(&translator);

439 }

440 }

441

442 QTranslator qmlTranslator;

443 if (!options.translationFile.isEmpty()) {

444 if (qmlTranslator.load(options.translationFile)) {

445 app.installTranslator(&qmlTranslator);

446 } else {

447 qWarning() << "Could not load the translation file" << options.translationFile;

448 }

449 }

450#endif

451

452 if (options.file.isEmpty())

453#if defined(QMLSCENE_BUNDLE)

454 displayOptionsDialog(&options);

455#else

456 displayFileDialog(&options);

457#endif

458

459 int exitCode = 0;

460

461 if (!options.file.isEmpty()) {

462 if (!options.versionDetection || checkVersion(options.file)) {

463#ifndef QT_NO_TRANSLATION

464 QTranslator translator;

465#endif

466

467 // TODO: as soon as the engine construction completes, the debug service is

468 // listening for connections. But actually we aren't ready to debug anything.

469 QQmlEngine engine;

470 QQmlComponent *component = new QQmlComponent(&engine);

471 for (int i = 0; i < imports.size(); ++i)

472 engine.addImportPath(imports.at(i));

473 for (int i = 0; i < bundles.size(); ++i)

474 engine.addNamedBundle(bundles.at(i).first, bundles.at(i).second);

475 if (options.file.isLocalFile()) {

476 QFileInfo fi(options.file.toLocalFile());

477#ifndef QT_NO_TRANSLATION

478 loadTranslationFile(translator, fi.path());

479#endif

480 loadDummyDataFiles(engine, fi.path());

481 }

482 QObject::connect(&engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));

483

484 qmlRegisterSingletonType<QObject>("Qt.test.qtestroot", 1, 0, "QTestRootObject", testRootObject);

485

486 component->loadUrl(options.file);

487 if ( !component->isReady() ) {

488 qWarning("%s", qPrintable(component->errorString()));

489 return -1;

490 }

491

492 QObject *topLevel = component->create();

493 QQuickWindow *window = qobject_cast<QQuickWindow *>(topLevel);

494 QQuickView* qxView = 0;

495 if (!window) {

496 QQuickItem *contentItem = qobject_cast<QQuickItem *>(topLevel);

497 if (contentItem) {

498 qxView = new QQuickView(&engine, NULL);

499 window = qxView;

500 // Set window default properties; the qml can still override them

501 QString oname = contentItem->objectName();

502 window->setTitle(oname.isEmpty() ? QString::fromLatin1("qmlscene") : QString::fromLatin1("qmlscene: ") + oname);

504 if (options.resizeViewToRootItem)

505 qxView->setResizeMode(QQuickView::SizeViewToRootObject);

506 else

507 qxView->setResizeMode(QQuickView::SizeRootObjectToView);

508 qxView->setContent(options.file, component, contentItem);

509 }

510 }

511

512 if (window) {

513 QSurfaceFormat surfaceFormat = window->requestedFormat();

514 if (options.multisample)

515 surfaceFormat.setSamples(16);

516 if (options.transparent) {

517 surfaceFormat.setAlphaBufferSize(8);

518 window->setClearBeforeRendering(true);

519 window->setColor(QColor(Qt::transparent));

520 window->setFlags(Qt::FramelessWindowHint);

521 }

522 window->setFormat(surfaceFormat);

523

524 if (options.fullscreen)

525 window->showFullScreen();

526 else if (options.maximized)

527 window->showMaximized();

528 else

529 window->show();

530 }

531

532 if (options.quitImmediately)

533 QMetaObject::invokeMethod(QCoreApplication::instance(), "quit", Qt::QueuedConnection);

534

535 // Now would be a good time to inform the debug service to start listening.

536

537 exitCode = app.exec();

538

539#ifdef QML_RUNTIME_TESTING

540 RenderStatistics::printTotalStats();

541#endif

542 // Ready to exit. If we created qxView, it owns the component;

543 // otherwise, the ownership is still right here. Nobody deletes the engine

544 // (which is odd since the container constructor takes the engine pointer),

545 // but it's stack-allocated anyway.

546 if (qxView)

547 delete qxView;

548 else

549 delete component;

550 }

551 }

552

553 return exitCode;

554}