aboutsummaryrefslogtreecommitdiffstats
path: root/tools/qmlscene/main.cpp
blob: bc7fe72d4c0a1fa7809ef3b6b4588db7cc3e1007 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
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
169
170
171
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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
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
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
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
438
439
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
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtCore/qabstractanimation.h>
#include <QtCore/qdir.h>
#include <QtCore/qmath.h>
#include <QtCore/qdatetime.h>
#include <QtCore/qpointer.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qtextstream.h>
#include <QtCore/qregularexpression.h>

#include <QtGui/QGuiApplication>
#include <QtGui/QOpenGLFunctions>

#include <QtQml/qqml.h>
#include <QtQml/qqmlengine.h>
#include <QtQml/qqmlcomponent.h>
#include <QtQml/qqmlcontext.h>

#include <QtQuick/qquickitem.h>
#include <QtQuick/qquickview.h>

#include <private/qabstractanimation_p.h>
#include <private/qopenglcontext_p.h>

#ifdef QT_WIDGETS_LIB
#include <QtWidgets/QApplication>
#include <QtWidgets/QFileDialog>
#endif

#include <QtCore/QTranslator>
#include <QtCore/QLibraryInfo>

#ifdef QML_RUNTIME_TESTING
class RenderStatistics
{
public:
    static void updateStats();
    static void printTotalStats();
private:
    static QVector<qreal> timePerFrame;
    static QVector<int> timesPerFrames;
};

QVector<qreal> RenderStatistics::timePerFrame;
QVector<int> RenderStatistics::timesPerFrames;

void RenderStatistics::updateStats()
{
    static QTime time;
    static int frames;
    static int lastTime;

    if (frames == 0) {
        time.start();
    } else {
        int elapsed = time.elapsed();
        timesPerFrames.append(elapsed - lastTime);
        lastTime = elapsed;

        if (elapsed > 5000) {
            qreal avgtime = elapsed / (qreal) frames;
            qreal var = 0;
            for (int i = 0; i < timesPerFrames.size(); ++i) {
                qreal diff = timesPerFrames.at(i) - avgtime;
                var += diff * diff;
            }
            var /= timesPerFrames.size();

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

            timePerFrame.append(avgtime);
            timesPerFrames.clear();
            time.start();
            lastTime = 0;
            frames = 0;
        }
    }
    ++frames;
}

void RenderStatistics::printTotalStats()
{
    int count = timePerFrame.count();
    if (count == 0)
        return;

    qreal minTime = 0;
    qreal maxTime = 0;
    qreal avg = 0;
    for (int i = 0; i < count; ++i) {
        minTime = minTime == 0 ? timePerFrame.at(i) : qMin(minTime, timePerFrame.at(i));
        maxTime = qMax(maxTime, timePerFrame.at(i));
        avg += timePerFrame.at(i);
    }
    avg /= count;

    puts(" ");
    puts("----- Statistics -----");
    printf("Average time per frame: %f ms (%i fps)\n", avg, qRound(1000. / avg));
    printf("Best time per frame: %f ms (%i fps)\n", minTime, int(1000 / minTime));
    printf("Worst time per frame: %f ms (%i fps)\n", maxTime, int(1000 / maxTime));
    puts("----------------------");
    puts(" ");
}
#endif

struct Options
{
    enum QmlApplicationType
    {
        QmlApplicationTypeGui,
        QmlApplicationTypeWidget,
#ifdef QT_WIDGETS_LIB
        DefaultQmlApplicationType = QmlApplicationTypeWidget
#else
        DefaultQmlApplicationType = QmlApplicationTypeGui
#endif
    };

    Options()
        : textRenderType(QQuickWindow::textRenderType())
    {
        // QtWebEngine needs a shared context in order for the GPU thread to
        // upload textures.
        applicationAttributes.append(Qt::AA_ShareOpenGLContexts);
    }

    QUrl url;
    bool originalQml = false;
    bool originalQmlRaster = false;
    bool maximized = false;
    bool fullscreen = false;
    bool transparent = false;
    bool clip = false;
    bool versionDetection = true;
    bool slowAnimations = false;
    bool quitImmediately = false;
    bool resizeViewToRootItem = false;
    bool multisample = false;
    bool coreProfile = false;
    bool verbose = false;
    QVector<Qt::ApplicationAttribute> applicationAttributes;
    QString translationFile;
    QmlApplicationType applicationType = DefaultQmlApplicationType;
    QQuickWindow::TextRenderType textRenderType;
};

#if defined(QMLSCENE_BUNDLE)
QFileInfoList findQmlFiles(const QString &dirName)
{
    QDir dir(dirName);

    QFileInfoList ret;
    if (dir.exists()) {
        const QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",
                                                          QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);

        for (const QFileInfo &fileInfo : fileInfos) {
            if (fileInfo.isDir())
                ret += findQmlFiles(fileInfo.filePath());
            else if (fileInfo.fileName().length() > 0 && fileInfo.fileName().at(0).isLower())
                ret.append(fileInfo);
        }
    }

    return ret;
}

static int displayOptionsDialog(Options *options)
{
    QDialog dialog;

    QFormLayout *layout = new QFormLayout(&dialog);

    QComboBox *qmlFileComboBox = new QComboBox(&dialog);
    const QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");

    for (const QFileInfo &fileInfo : fileInfos)
        qmlFileComboBox->addItem(fileInfo.dir().dirName() + QLatin1Char('/') + fileInfo.fileName(), QVariant::fromValue(fileInfo));

    QCheckBox *originalCheckBox = new QCheckBox(&dialog);
    originalCheckBox->setText("Use original QML viewer");
    originalCheckBox->setChecked(options->originalQml);

    QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);
    fullscreenCheckBox->setText("Start fullscreen");
    fullscreenCheckBox->setChecked(options->fullscreen);

    QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);
    maximizedCheckBox->setText("Start maximized");
    maximizedCheckBox->setChecked(options->maximized);

    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
                                                       Qt::Horizontal,
                                                       &dialog);
    QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
    QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));

    layout->addRow("Qml file:", qmlFileComboBox);
    layout->addWidget(originalCheckBox);
    layout->addWidget(maximizedCheckBox);
    layout->addWidget(fullscreenCheckBox);
    layout->addWidget(buttonBox);

    int result = dialog.exec();
    if (result == QDialog::Accepted) {
        QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());
        QFileInfo fileInfo = variant.value<QFileInfo>();

        if (fileInfo.canonicalFilePath().startsWith(QLatin1Char(':')))
            options->file = QUrl("qrc" + fileInfo.canonicalFilePath());
        else
            options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());
        options->originalQml = originalCheckBox->isChecked();
        options->maximized = maximizedCheckBox->isChecked();
        options->fullscreen = fullscreenCheckBox->isChecked();
    }
    return result;
}
#endif

static bool checkVersion(const QUrl &url)
{
    if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())
        fprintf(stderr, "QMLSCENE_IMPORT_NAME is no longer supported.\n");

    if (!url.isLocalFile())
        return true;

    const QString fileName = url.toLocalFile();
    QFile f(fileName);
    if (!f.open(QFile::ReadOnly | QFile::Text)) {
        fprintf(stderr, "qmlscene: failed to check version of file '%s', could not open...\n",
                 qPrintable(fileName));
        return false;
    }

    QRegularExpression quick1("^\\s*import +QtQuick +1\\.\\w*");
    QRegularExpression qt47("^\\s*import +Qt +4\\.7");

    QTextStream stream(&f);
    bool codeFound= false;
    while (!codeFound) {
        QString line = stream.readLine();
        if (line.contains(QLatin1Char('{'))) {
            codeFound = true;
        } else {
            QString import;
            QRegularExpressionMatch match = quick1.match(line);
            if (match.hasMatch())
                import = match.captured(0).trimmed();
            else if ((match = qt47.match(line)).hasMatch())
                import = match.captured(0).trimmed();

            if (!import.isNull()) {
                fprintf(stderr, "qmlscene: '%s' is no longer supported.\n"
                         "Use qmlviewer to load file '%s'.\n",
                         qPrintable(import),
                         qPrintable(fileName));
                return false;
            }
        }
    }

    return true;
}

static void displayFileDialog(Options *options)
{
#if defined(QT_WIDGETS_LIB) && QT_CONFIG(filedialog)
    if (options->applicationType == Options::QmlApplicationTypeWidget) {
        QString fileName = QFileDialog::getOpenFileName(nullptr, "Open QML file", QString(), "QML Files (*.qml)");
        if (!fileName.isEmpty()) {
            QFileInfo fi(fileName);
            options->url = QUrl::fromLocalFile(fi.canonicalFilePath());
        }
        return;
    }
#endif // QT_WIDGETS_LIB && QT_CONFIG(filedialog)
    Q_UNUSED(options);
    puts("No filename specified...");
}

#if QT_CONFIG(translation)
static void loadTranslationFile(QTranslator &translator, const QString& directory)
{
    translator.load(QLatin1String("qml_" )+QLocale::system().name(), directory + QLatin1String("/i18n"));
    QCoreApplication::installTranslator(&translator);
}
#endif

static void loadDummyDataFiles(QQmlEngine &engine, const QString& directory)
{
    QDir dir(directory+"/dummydata", "*.qml");
    QStringList list = dir.entryList();
    for (int i = 0; i < list.size(); ++i) {
        QString qml = list.at(i);
        QQmlComponent comp(&engine, dir.filePath(qml));
        QObject *dummyData = comp.create();

        if(comp.isError()) {
            const QList<QQmlError> errors = comp.errors();
            for (const QQmlError &error : errors)
                fprintf(stderr, "%s\n", qPrintable(error.toString()));
        }

        if (dummyData) {
            fprintf(stderr, "Loaded dummy data: %s\n", qPrintable(dir.filePath(qml)));
            qml.truncate(qml.length()-4);
            engine.rootContext()->setContextProperty(qml, dummyData);
            dummyData->setParent(&engine);
        }
    }
}

static void usage()
{
    puts("Usage: qmlscene [options] <filename>");
    puts(" ");
    puts(" Options:");
    puts("  --maximized ...................... Run maximized");
    puts("  --fullscreen ..................... Run fullscreen");
    puts("  --transparent .................... Make the window transparent");
    puts("  --multisample .................... Enable multisampling (OpenGL anti-aliasing)");
    puts("  --core-profile ................... Request a core profile OpenGL context");
    puts("  --no-version-detection ........... Do not try to detect the version of the .qml file");
    puts("  --slow-animations ................ Run all animations in slow motion");
    puts("  --resize-to-root ................. Resize the window to the size of the root item");
    puts("  --quit ........................... Quit immediately after starting");
    puts("  --disable-context-sharing ........ Disable the use of a shared GL context for QtQuick Windows\n"
         "                            .........(remove AA_ShareOpenGLContexts)");
    puts("  --desktop..........................Force use of desktop GL (AA_UseDesktopOpenGL)");
    puts("  --gles.............................Force use of GLES (AA_UseOpenGLES)");
    puts("  --software.........................Force use of software rendering (AA_UseOpenGLES)");
    puts("  --scaling..........................Enable High DPI scaling (AA_EnableHighDpiScaling)");
    puts("  --no-scaling.......................Disable High DPI scaling (AA_DisableHighDpiScaling)");
    puts("  --verbose..........................Print version and graphical diagnostics for the run-time");
#ifdef QT_WIDGETS_LIB
    puts("  --apptype [gui|widgets] ...........Select which application class to use. Default is widgets.");
#endif
    puts("  --textrendertype [qt|native].......Select the default render type for text-like elements.");
    puts("  -I <path> ........................ Add <path> to the list of import paths");
    puts("  -P <path> ........................ Add <path> to the list of plugin paths");
    puts("  -translation <translationfile> ... Set the language to run in");

    puts(" ");
    exit(1);
}
#if QT_CONFIG(opengl)
// Listen on GL context creation of the QQuickWindow in order to print diagnostic output.
class DiagnosticGlContextCreationListener : public QObject {
    Q_OBJECT
public:
    explicit DiagnosticGlContextCreationListener(QQuickWindow *window) : QObject(window)
    {
        connect(window, &QQuickWindow::openglContextCreated,
                this, &DiagnosticGlContextCreationListener::onOpenGlContextCreated);
    }

private slots:
    void onOpenGlContextCreated(QOpenGLContext *context)
    {
        context->makeCurrent(qobject_cast<QQuickWindow *>(parent()));
        QOpenGLFunctions functions(context);
        QByteArray output = "Vendor  : ";
        output += reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR));
        output += "\nRenderer: ";
        output += reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER));
        output += "\nVersion : ";
        output += reinterpret_cast<const char *>(functions.glGetString(GL_VERSION));
        output += "\nLanguage: ";
        output += reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION));
        puts(output.constData());
        context->doneCurrent();
        deleteLater();
    }

};
#endif

static void setWindowTitle(bool verbose, const QObject *topLevel, QWindow *window)
{
    const QString oldTitle = window->title();
    QString newTitle = oldTitle;
    if (newTitle.isEmpty()) {
        newTitle = QLatin1String("qmlscene");
        if (!qobject_cast<const QWindow *>(topLevel) && !topLevel->objectName().isEmpty())
            newTitle += QLatin1String(": ") + topLevel->objectName();
    }
    if (verbose) {
        newTitle += QLatin1String(" [Qt ") + QLatin1String(QT_VERSION_STR) + QLatin1Char(' ')
            + QGuiApplication::platformName() + QLatin1Char(' ');
#if QT_CONFIG(opengl)
        newTitle += QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL
            ? QLatin1String("GL") : QLatin1String("GLES");
#endif
        newTitle += QLatin1Char(']');
    }
    if (oldTitle != newTitle)
        window->setTitle(newTitle);
}

static QUrl parseUrlArgument(const QString &arg)
{
    const QUrl url = QUrl::fromUserInput(arg, QDir::currentPath(), QUrl::AssumeLocalFile);
    if (!url.isValid()) {
        fprintf(stderr, "Invalid URL: \"%s\"\n", qPrintable(arg));
        return QUrl();
    }
    if (url.isLocalFile()) {
        const QFileInfo fi(url.toLocalFile());
        if (!fi.exists()) {
            fprintf(stderr, "\"%s\" does not exist.\n",
                    qPrintable(QDir::toNativeSeparators(fi.absoluteFilePath())));
            return QUrl();
        }
    }
    return url;
}

static QQuickWindow::TextRenderType parseTextRenderType(const QString &renderType)
{
    if (renderType == QLatin1String("qt"))
        return QQuickWindow::QtTextRendering;
    else if (renderType == QLatin1String("native"))
        return QQuickWindow::NativeTextRendering;

    usage();

    Q_UNREACHABLE();
    return QQuickWindow::QtTextRendering;
}

int main(int argc, char ** argv)
{
    Options options;

    QStringList imports;
    QStringList pluginPaths;

    // Parse arguments for application attributes to be applied before Q[Gui]Application creation.
    for (int i = 1; i < argc; ++i) {
        const char *arg = argv[i];
        if (!qstrcmp(arg, "--disable-context-sharing")) {
            options.applicationAttributes.removeAll(Qt::AA_ShareOpenGLContexts);
        } else if (!qstrcmp(arg, "--gles")) {
            options.applicationAttributes.append(Qt::AA_UseOpenGLES);
        } else if (!qstrcmp(arg, "--software")) {
            options.applicationAttributes.append(Qt::AA_UseSoftwareOpenGL);
        } else if (!qstrcmp(arg, "--desktop")) {
            options.applicationAttributes.append(Qt::AA_UseDesktopOpenGL);
        } else if (!qstrcmp(arg, "--scaling")) {
            options.applicationAttributes.append(Qt::AA_EnableHighDpiScaling);
        } else if (!qstrcmp(arg, "--no-scaling")) {
            options.applicationAttributes.append(Qt::AA_DisableHighDpiScaling);
        } else if (!qstrcmp(arg, "--apptype")) {
            if (++i >= argc)
                usage();
            if (!qstrcmp(argv[i], "gui"))
                options.applicationType = Options::QmlApplicationTypeGui;
        }
    }

    for (Qt::ApplicationAttribute a : qAsConst(options.applicationAttributes))
        QCoreApplication::setAttribute(a);
    QScopedPointer<QGuiApplication> app;
#ifdef QT_WIDGETS_LIB
    if (options.applicationType == Options::QmlApplicationTypeWidget)
        app.reset(new QApplication(argc, argv));
#endif
    if (app.isNull())
        app.reset(new QGuiApplication(argc, argv));
    QCoreApplication::setApplicationName(QStringLiteral("QtQmlViewer"));
    QCoreApplication::setOrganizationName(QStringLiteral("QtProject"));
    QCoreApplication::setOrganizationDomain(QStringLiteral("qt-project.org"));
    QCoreApplication::setApplicationVersion(QLatin1String(QT_VERSION_STR));

    const QStringList arguments = QCoreApplication::arguments();
    for (int i = 1, size = arguments.size(); i < size; ++i) {
        if (!arguments.at(i).startsWith(QLatin1Char('-'))) {
            options.url = parseUrlArgument(arguments.at(i));
        } else {
            const QString lowerArgument = arguments.at(i).toLower();
            if (lowerArgument == QLatin1String("--maximized"))
                options.maximized = true;
            else if (lowerArgument == QLatin1String("--fullscreen"))
                options.fullscreen = true;
            else if (lowerArgument == QLatin1String("--transparent"))
                options.transparent = true;
            else if (lowerArgument == QLatin1String("--clip"))
                options.clip = true;
            else if (lowerArgument == QLatin1String("--no-version-detection"))
                options.versionDetection = false;
            else if (lowerArgument == QLatin1String("--slow-animations"))
                options.slowAnimations = true;
            else if (lowerArgument == QLatin1String("--quit"))
                options.quitImmediately = true;
           else if (lowerArgument == QLatin1String("-translation"))
                options.translationFile = QLatin1String(argv[++i]);
            else if (lowerArgument == QLatin1String("--resize-to-root"))
                options.resizeViewToRootItem = true;
            else if (lowerArgument == QLatin1String("--multisample"))
                options.multisample = true;
            else if (lowerArgument == QLatin1String("--core-profile"))
                options.coreProfile = true;
            else if (lowerArgument == QLatin1String("--verbose"))
                options.verbose = true;
            else if (lowerArgument == QLatin1String("-i") && i + 1 < size)
                imports.append(arguments.at(++i));
            else if (lowerArgument == QLatin1String("-p") && i + 1 < size)
                pluginPaths.append(arguments.at(++i));
            else if (lowerArgument == QLatin1String("--apptype"))
                ++i; // Consume previously parsed argument
            else if (lowerArgument == QLatin1String("--textrendertype") && i + 1 < size)
                options.textRenderType = parseTextRenderType(arguments.at(++i));
            else if (lowerArgument == QLatin1String("--help")
                     || lowerArgument == QLatin1String("-help")
                     || lowerArgument == QLatin1String("--h")
                     || lowerArgument == QLatin1String("-h"))
                usage();
        }
    }

#if QT_CONFIG(translation)
    QTranslator translator;
    QTranslator qtTranslator;
    QString sysLocale = QLocale::system().name();
    if (qtTranslator.load(QLatin1String("qt_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
        app->installTranslator(&qtTranslator);
    if (translator.load(QLatin1String("qmlscene_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
        app->installTranslator(&translator);

    QTranslator qmlTranslator;
    if (!options.translationFile.isEmpty()) {
        if (qmlTranslator.load(options.translationFile)) {
            app->installTranslator(&qmlTranslator);
        } else {
            fprintf(stderr, "Could not load the translation file \"%s\"\n",
                    qPrintable(options.translationFile));
        }
    }
#endif

    QQuickWindow::setTextRenderType(options.textRenderType);

    QUnifiedTimer::instance()->setSlowModeEnabled(options.slowAnimations);

    if (options.url.isEmpty())
#if defined(QMLSCENE_BUNDLE)
        displayOptionsDialog(&options);
#else
        displayFileDialog(&options);
#endif

    int exitCode = 0;

    if (options.verbose)
        puts(QLibraryInfo::build());

    if (!options.url.isEmpty()) {
        if (!options.versionDetection || checkVersion(options.url)) {
#if QT_CONFIG(translation)
            QTranslator translator;
#endif

            // TODO: as soon as the engine construction completes, the debug service is
            // listening for connections.  But actually we aren't ready to debug anything.
            QQmlEngine engine;
            QPointer<QQmlComponent> component = new QQmlComponent(&engine);
            for (int i = 0; i < imports.size(); ++i)
                engine.addImportPath(imports.at(i));
            for (int i = 0; i < pluginPaths.size(); ++i)
                engine.addPluginPath(pluginPaths.at(i));
            if (options.url.isLocalFile()) {
                QFileInfo fi(options.url.toLocalFile());
#if QT_CONFIG(translation)
                loadTranslationFile(translator, fi.path());
#endif
                loadDummyDataFiles(engine, fi.path());
            }
            QObject::connect(&engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
            QObject::connect(&engine, &QQmlEngine::exit, QCoreApplication::instance(), &QCoreApplication::exit);
            component->loadUrl(options.url);
            while (component->isLoading())
                QCoreApplication::processEvents();
            if ( !component->isReady() ) {
                fprintf(stderr, "%s\n", qPrintable(component->errorString()));
                return -1;
            }

            QObject *topLevel = component->create();
            if (!topLevel && component->isError()) {
                fprintf(stderr, "%s\n", qPrintable(component->errorString()));
                return -1;
            }
            QScopedPointer<QQuickWindow> window(qobject_cast<QQuickWindow *>(topLevel));
            if (window) {
                engine.setIncubationController(window->incubationController());
            } else {
                QQuickItem *contentItem = qobject_cast<QQuickItem *>(topLevel);
                if (contentItem) {
                    QQuickView* qxView = new QQuickView(&engine, nullptr);
                    window.reset(qxView);
                    // Set window default properties; the qml can still override them
                    if (options.resizeViewToRootItem)
                        qxView->setResizeMode(QQuickView::SizeViewToRootObject);
                    else
                        qxView->setResizeMode(QQuickView::SizeRootObjectToView);
                    qxView->setContent(options.url, component, contentItem);
                }
            }

            if (window) {
                setWindowTitle(options.verbose, topLevel, window.data());
#if QT_CONFIG(opengl)
                if (options.verbose)
                    new DiagnosticGlContextCreationListener(window.data());
#endif
                QSurfaceFormat surfaceFormat = window->requestedFormat();
                if (options.multisample)
                    surfaceFormat.setSamples(16);
                if (options.transparent) {
                    surfaceFormat.setAlphaBufferSize(8);
                    window->setClearBeforeRendering(true);
                    window->setColor(QColor(Qt::transparent));
                    window->setFlags(Qt::FramelessWindowHint);
                }
                if (options.coreProfile) {
                    surfaceFormat.setVersion(4, 1);
                    surfaceFormat.setProfile(QSurfaceFormat::CoreProfile);
                }
                window->setFormat(surfaceFormat);

                if (window->flags() == Qt::Window) // Fix window flags unless set by QML.
                    window->setFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint | Qt::WindowFullscreenButtonHint);

                if (options.fullscreen)
                    window->showFullScreen();
                else if (options.maximized)
                    window->showMaximized();
                else if (!window->isVisible())
                    window->show();
            }

            if (options.quitImmediately)
                QMetaObject::invokeMethod(QCoreApplication::instance(), "quit", Qt::QueuedConnection);

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

            exitCode = app->exec();

#ifdef QML_RUNTIME_TESTING
            RenderStatistics::printTotalStats();
#endif
            // Ready to exit. Notice that the component might be owned by
            // QQuickView if one was created. That case is tracked by
            // QPointer, so it is safe to delete the component here.
            delete component;
        }
    }

    return exitCode;
}

#include "main.moc"