1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the tools applications of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
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 #include <private/qabstractanimation_p.h>
61 #include <QtWidgets/QApplication>
62 #include <QtWidgets/QFileDialog>
65 #include <QtCore/QTranslator>
66 #include <QtCore/QLibraryInfo>
68 #ifdef QML_RUNTIME_TESTING
69 class RenderStatistics
72 static void updateStats();
73 static void printTotalStats();
75 static QVector<qreal> timePerFrame;
76 static QVector<int> timesPerFrames;
79 QVector<qreal> RenderStatistics::timePerFrame;
80 QVector<int> RenderStatistics::timesPerFrames;
82 void RenderStatistics::updateStats()
91 int elapsed = time.elapsed();
92 timesPerFrames.append(elapsed - lastTime);
96 qreal avgtime = elapsed / (qreal) frames;
98 for (int i = 0; i < timesPerFrames.size(); ++i) {
99 qreal diff = timesPerFrames.at(i) - avgtime;
102 var /= timesPerFrames.size();
104 qDebug("Average time per frame: %f ms (%i fps), std.dev: %f ms", avgtime, qRound(1000. / avgtime), qSqrt(var));
106 timePerFrame.append(avgtime);
107 timesPerFrames.clear();
116 void RenderStatistics::printTotalStats()
118 int count = timePerFrame.count();
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);
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("----------------------");
146 , originalQmlRaster(false)
151 , versionDetection(true)
152 , slowAnimations(false)
153 , quitImmediately(false)
154 , resizeViewToRootItem(false)
160 bool originalQmlRaster;
164 bool scenegraphOnGraphicsview;
166 bool versionDetection;
168 bool quitImmediately;
169 bool resizeViewToRootItem;
170 QString translationFile;
173 #if defined(QMLSCENE_BUNDLE)
174 Q_DECLARE_METATYPE(QFileInfo);
175 QFileInfoList findQmlFiles(const QString &dirName)
181 QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",
182 QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);
184 foreach (QFileInfo fileInfo, fileInfos) {
185 if (fileInfo.isDir())
186 ret += findQmlFiles(fileInfo.filePath());
187 else if (fileInfo.fileName().length() > 0 && fileInfo.fileName().at(0).isLower())
188 ret.append(fileInfo);
195 static int displayOptionsDialog(Options *options)
199 QFormLayout *layout = new QFormLayout(&dialog);
201 QComboBox *qmlFileComboBox = new QComboBox(&dialog);
202 QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");
204 foreach (QFileInfo fileInfo, fileInfos)
205 qmlFileComboBox->addItem(fileInfo.dir().dirName() + "/" + fileInfo.fileName(), QVariant::fromValue(fileInfo));
207 QCheckBox *originalCheckBox = new QCheckBox(&dialog);
208 originalCheckBox->setText("Use original QML viewer");
209 originalCheckBox->setChecked(options->originalQml);
211 QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);
212 fullscreenCheckBox->setText("Start fullscreen");
213 fullscreenCheckBox->setChecked(options->fullscreen);
215 QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);
216 maximizedCheckBox->setText("Start maximized");
217 maximizedCheckBox->setChecked(options->maximized);
219 QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
222 QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
223 QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
225 layout->addRow("Qml file:", qmlFileComboBox);
226 layout->addWidget(originalCheckBox);
227 layout->addWidget(maximizedCheckBox);
228 layout->addWidget(fullscreenCheckBox);
229 layout->addWidget(buttonBox);
231 int result = dialog.exec();
232 if (result == QDialog::Accepted) {
233 QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());
234 QFileInfo fileInfo = variant.value<QFileInfo>();
236 if (fileInfo.canonicalFilePath().startsWith(":"))
237 options->file = QUrl("qrc" + fileInfo.canonicalFilePath());
239 options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());
240 options->originalQml = originalCheckBox->isChecked();
241 options->maximized = maximizedCheckBox->isChecked();
242 options->fullscreen = fullscreenCheckBox->isChecked();
248 static bool checkVersion(const QUrl &url)
250 if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())
251 qWarning("QMLSCENE_IMPORT_NAME is no longer supported.");
253 QString fileName = url.toLocalFile();
254 if (fileName.isEmpty()) {
255 qWarning("qmlscene: filename required.");
260 if (!f.open(QFile::ReadOnly | QFile::Text)) {
261 qWarning("qmlscene: failed to check version of file '%s', could not open...",
262 qPrintable(fileName));
266 QRegExp quick1("^\\s*import +QtQuick +1\\.\\w*");
267 QRegExp qt47("^\\s*import +Qt +4\\.7");
269 QTextStream stream(&f);
270 bool codeFound= false;
272 QString line = stream.readLine();
273 if (line.contains("{")) {
277 if (quick1.indexIn(line) >= 0)
278 import = quick1.cap(0).trimmed();
279 else if (qt47.indexIn(line) >= 0)
280 import = qt47.cap(0).trimmed();
282 if (!import.isNull()) {
283 qWarning("qmlscene: '%s' is no longer supported.\n"
284 "Use qmlviewer to load file '%s'.",
286 qPrintable(fileName));
295 static void displayFileDialog(Options *options)
297 #if defined(QT_WIDGETS_LIB) && !defined(QT_NO_FILEDIALOG)
298 QString fileName = QFileDialog::getOpenFileName(0, "Open QML file", QString(), "QML Files (*.qml)");
299 if (!fileName.isEmpty()) {
300 QFileInfo fi(fileName);
301 options->file = QUrl::fromLocalFile(fi.canonicalFilePath());
305 qWarning("No filename specified...");
309 static void loadTranslationFile(QTranslator &translator, const QString& directory)
311 translator.load(QLatin1String("qml_" )+QLocale::system().name(), directory + QLatin1String("/i18n"));
312 QApplication::installTranslator(&translator);
315 static void loadDummyDataFiles(QQmlEngine &engine, const QString& directory)
317 QDir dir(directory+"/dummydata", "*.qml");
318 QStringList list = dir.entryList();
319 for (int i = 0; i < list.size(); ++i) {
320 QString qml = list.at(i);
321 QFile f(dir.filePath(qml));
322 f.open(QIODevice::ReadOnly);
323 QByteArray data = f.readAll();
324 QQmlComponent comp(&engine);
325 comp.setData(data, QUrl());
326 QObject *dummyData = comp.create();
329 QList<QQmlError> errors = comp.errors();
330 foreach (const QQmlError &error, errors)
335 qWarning() << "Loaded dummy data:" << dir.filePath(qml);
336 qml.truncate(qml.length()-4);
337 engine.rootContext()->setContextProperty(qml, dummyData);
338 dummyData->setParent(&engine);
345 qWarning("Usage: qmlscene [options] <filename>");
347 qWarning(" options:");
348 qWarning(" --maximized ............................... run maximized");
349 qWarning(" --fullscreen .............................. run fullscreen");
350 qWarning(" --transparent ............................. Make the window transparent");
351 qWarning(" --no-multisample .......................... Disable multisampling (anti-aliasing)");
352 qWarning(" --no-version-detection .................... Do not try to detect the version of the .qml file");
353 qWarning(" --slow-animations ......................... Run all animations in slow motion");
354 qWarning(" --resize-to-root .......................... Resize the window to the size of the root item");
355 qWarning(" --quit .................................... Quit immediately after starting");
356 qWarning(" -I <path> ................................. Add <path> to the list of import paths");
357 qWarning(" -B <name> <file> .......................... Add a named bundle");
358 qWarning(" -translation <translationfile> ........... set the language to run in");
364 int main(int argc, char ** argv)
369 QList<QPair<QString, QString> > bundles;
370 for (int i = 1; i < argc; ++i) {
371 if (*argv[i] != '-' && QFileInfo(QFile::decodeName(argv[i])).exists()) {
372 options.file = QUrl::fromLocalFile(argv[i]);
374 const QString lowerArgument = QString::fromLatin1(argv[i]).toLower();
375 if (lowerArgument == QLatin1String("--maximized"))
376 options.maximized = true;
377 else if (lowerArgument == QLatin1String("--fullscreen"))
378 options.fullscreen = true;
379 else if (lowerArgument == QLatin1String("--transparent"))
380 options.transparent = true;
381 else if (lowerArgument == QLatin1String("--clip"))
383 else if (lowerArgument == QLatin1String("--no-version-detection"))
384 options.versionDetection = false;
385 else if (lowerArgument == QLatin1String("--slow-animations"))
386 options.slowAnimations = true;
387 else if (lowerArgument == QLatin1String("--quit"))
388 options.quitImmediately = true;
389 else if (lowerArgument == QLatin1String("-translation"))
390 options.translationFile = QLatin1String(argv[++i]);
391 else if (lowerArgument == QLatin1String("--resize-to-root"))
392 options.resizeViewToRootItem = true;
393 else if (lowerArgument == QLatin1String("-i") && i + 1 < argc)
394 imports.append(QString::fromLatin1(argv[++i]));
395 else if (lowerArgument == QLatin1String("-b") && i + 2 < argc) {
396 QString name = QString::fromLatin1(argv[++i]);
397 QString file = QString::fromLatin1(argv[++i]);
398 bundles.append(qMakePair(name, file));
399 } else if (lowerArgument == QLatin1String("--help")
400 || lowerArgument == QLatin1String("-help")
401 || lowerArgument == QLatin1String("--h")
402 || lowerArgument == QLatin1String("-h"))
407 #ifdef QT_WIDGETS_LIB
408 QApplication app(argc, argv);
410 QGuiApplication app(argc, argv);
412 app.setApplicationName("QtQmlViewer");
413 app.setOrganizationName("Nokia");
414 app.setOrganizationDomain("nokia.com");
416 QTranslator translator;
417 QTranslator qtTranslator;
418 QString sysLocale = QLocale::system().name();
419 if (translator.load(QLatin1String("qmlscene_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
420 app.installTranslator(&translator);
421 if (qtTranslator.load(QLatin1String("qt_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
422 app.installTranslator(&qtTranslator);
424 app.removeTranslator(&translator);
428 QTranslator qmlTranslator;
429 if (!options.translationFile.isEmpty()) {
430 if (qmlTranslator.load(options.translationFile)) {
431 app.installTranslator(&qmlTranslator);
433 qWarning() << "Could not load the translation file" << options.translationFile;
437 QUnifiedTimer::instance()->setSlowModeEnabled(options.slowAnimations);
439 if (options.file.isEmpty())
440 #if defined(QMLSCENE_BUNDLE)
441 displayOptionsDialog(&options);
443 displayFileDialog(&options);
446 QQmlEngine *engine = 0;
450 if (!options.file.isEmpty()) {
451 if (!options.versionDetection || checkVersion(options.file)) {
452 QTranslator translator;
454 engine = qxView.engine();
455 for (int i = 0; i < imports.size(); ++i)
456 engine->addImportPath(imports.at(i));
457 for (int i = 0; i < bundles.size(); ++i)
458 engine->addNamedBundle(bundles.at(i).first, bundles.at(i).second);
459 if (options.file.isLocalFile()) {
460 QFileInfo fi(options.file.toLocalFile());
461 loadTranslationFile(translator, fi.path());
462 loadDummyDataFiles(*engine, fi.path());
464 qxView.setSource(options.file);
466 QObject::connect(engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
468 if (options.resizeViewToRootItem)
469 qxView.setResizeMode(QQuickView::SizeViewToRootObject);
471 qxView.setResizeMode(QQuickView::SizeRootObjectToView);
473 if (options.transparent) {
474 QSurfaceFormat surfaceFormat;
475 surfaceFormat.setAlphaBufferSize(8);
476 qxView.setFormat(surfaceFormat);
477 qxView.setClearBeforeRendering(true);
478 qxView.setColor(QColor(Qt::transparent));
479 qxView.setWindowFlags(Qt::FramelessWindowHint);
482 qxView.setWindowFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
484 if (options.fullscreen)
485 qxView.showFullScreen();
486 else if (options.maximized)
487 qxView.showMaximized();
491 if (options.quitImmediately)
492 QMetaObject::invokeMethod(QCoreApplication::instance(), "quit", Qt::QueuedConnection);
494 exitCode = app.exec();
496 #ifdef QML_RUNTIME_TESTING
497 RenderStatistics::printTotalStats();