1 /****************************************************************************
3 ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
6 ** This file is part of the tools applications of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
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 QFileInfoList findQmlFiles(const QString &dirName)
180 QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",
181 QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);
183 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);
194 static int displayOptionsDialog(Options *options)
198 QFormLayout *layout = new QFormLayout(&dialog);
200 QComboBox *qmlFileComboBox = new QComboBox(&dialog);
201 QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");
203 foreach (QFileInfo fileInfo, fileInfos)
204 qmlFileComboBox->addItem(fileInfo.dir().dirName() + "/" + fileInfo.fileName(), QVariant::fromValue(fileInfo));
206 QCheckBox *originalCheckBox = new QCheckBox(&dialog);
207 originalCheckBox->setText("Use original QML viewer");
208 originalCheckBox->setChecked(options->originalQml);
210 QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);
211 fullscreenCheckBox->setText("Start fullscreen");
212 fullscreenCheckBox->setChecked(options->fullscreen);
214 QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);
215 maximizedCheckBox->setText("Start maximized");
216 maximizedCheckBox->setChecked(options->maximized);
218 QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
221 QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
222 QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
224 layout->addRow("Qml file:", qmlFileComboBox);
225 layout->addWidget(originalCheckBox);
226 layout->addWidget(maximizedCheckBox);
227 layout->addWidget(fullscreenCheckBox);
228 layout->addWidget(buttonBox);
230 int result = dialog.exec();
231 if (result == QDialog::Accepted) {
232 QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());
233 QFileInfo fileInfo = variant.value<QFileInfo>();
235 if (fileInfo.canonicalFilePath().startsWith(":"))
236 options->file = QUrl("qrc" + fileInfo.canonicalFilePath());
238 options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());
239 options->originalQml = originalCheckBox->isChecked();
240 options->maximized = maximizedCheckBox->isChecked();
241 options->fullscreen = fullscreenCheckBox->isChecked();
247 static bool checkVersion(const QUrl &url)
249 if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())
250 qWarning("QMLSCENE_IMPORT_NAME is no longer supported.");
252 QString fileName = url.toLocalFile();
253 if (fileName.isEmpty()) {
254 qWarning("qmlscene: filename required.");
259 if (!f.open(QFile::ReadOnly | QFile::Text)) {
260 qWarning("qmlscene: failed to check version of file '%s', could not open...",
261 qPrintable(fileName));
265 QRegExp quick1("^\\s*import +QtQuick +1\\.\\w*");
266 QRegExp qt47("^\\s*import +Qt +4\\.7");
268 QTextStream stream(&f);
269 bool codeFound= false;
271 QString line = stream.readLine();
272 if (line.contains("{")) {
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();
281 if (!import.isNull()) {
282 qWarning("qmlscene: '%s' is no longer supported.\n"
283 "Use qmlviewer to load file '%s'.",
285 qPrintable(fileName));
294 static void displayFileDialog(Options *options)
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());
304 qWarning("No filename specified...");
308 static void loadTranslationFile(QTranslator &translator, const QString& directory)
310 translator.load(QLatin1String("qml_" )+QLocale::system().name(), directory + QLatin1String("/i18n"));
311 QCoreApplication::installTranslator(&translator);
314 static void loadDummyDataFiles(QQmlEngine &engine, const QString& directory)
316 QDir dir(directory+"/dummydata", "*.qml");
317 QStringList list = dir.entryList();
318 for (int i = 0; i < list.size(); ++i) {
319 QString qml = list.at(i);
320 QFile f(dir.filePath(qml));
321 f.open(QIODevice::ReadOnly);
322 QByteArray data = f.readAll();
323 QQmlComponent comp(&engine);
324 comp.setData(data, QUrl());
325 QObject *dummyData = comp.create();
328 QList<QQmlError> errors = comp.errors();
329 foreach (const QQmlError &error, errors)
334 qWarning() << "Loaded dummy data:" << dir.filePath(qml);
335 qml.truncate(qml.length()-4);
336 engine.rootContext()->setContextProperty(qml, dummyData);
337 dummyData->setParent(&engine);
344 qWarning("Usage: qmlscene [options] <filename>");
346 qWarning(" options:");
347 qWarning(" --maximized ............................... run maximized");
348 qWarning(" --fullscreen .............................. run fullscreen");
349 qWarning(" --transparent ............................. Make the window transparent");
350 qWarning(" --no-multisample .......................... Disable multisampling (anti-aliasing)");
351 qWarning(" --no-version-detection .................... Do not try to detect the version of the .qml file");
352 qWarning(" --slow-animations ......................... Run all animations in slow motion");
353 qWarning(" --resize-to-root .......................... Resize the window to the size of the root item");
354 qWarning(" --quit .................................... Quit immediately after starting");
355 qWarning(" -I <path> ................................. Add <path> to the list of import paths");
356 qWarning(" -B <name> <file> .......................... Add a named bundle");
357 qWarning(" -translation <translationfile> ........... set the language to run in");
363 int main(int argc, char ** argv)
368 QList<QPair<QString, QString> > bundles;
369 for (int i = 1; i < argc; ++i) {
370 if (*argv[i] != '-' && QFileInfo(QFile::decodeName(argv[i])).exists()) {
371 options.file = QUrl::fromLocalFile(argv[i]);
373 const QString lowerArgument = QString::fromLatin1(argv[i]).toLower();
374 if (lowerArgument == QLatin1String("--maximized"))
375 options.maximized = true;
376 else if (lowerArgument == QLatin1String("--fullscreen"))
377 options.fullscreen = true;
378 else if (lowerArgument == QLatin1String("--transparent"))
379 options.transparent = true;
380 else if (lowerArgument == QLatin1String("--clip"))
382 else if (lowerArgument == QLatin1String("--no-version-detection"))
383 options.versionDetection = false;
384 else if (lowerArgument == QLatin1String("--slow-animations"))
385 options.slowAnimations = true;
386 else if (lowerArgument == QLatin1String("--quit"))
387 options.quitImmediately = true;
388 else if (lowerArgument == QLatin1String("-translation"))
389 options.translationFile = QLatin1String(argv[++i]);
390 else if (lowerArgument == QLatin1String("--resize-to-root"))
391 options.resizeViewToRootItem = true;
392 else if (lowerArgument == QLatin1String("-i") && i + 1 < argc)
393 imports.append(QString::fromLatin1(argv[++i]));
394 else if (lowerArgument == QLatin1String("-b") && i + 2 < argc) {
395 QString name = QString::fromLatin1(argv[++i]);
396 QString file = QString::fromLatin1(argv[++i]);
397 bundles.append(qMakePair(name, file));
398 } else if (lowerArgument == QLatin1String("--help")
399 || lowerArgument == QLatin1String("-help")
400 || lowerArgument == QLatin1String("--h")
401 || lowerArgument == QLatin1String("-h"))
406 #ifdef QT_WIDGETS_LIB
407 QApplication app(argc, argv);
409 QGuiApplication app(argc, argv);
411 app.setApplicationName("QtQmlViewer");
412 app.setOrganizationName("Nokia");
413 app.setOrganizationDomain("nokia.com");
415 QTranslator translator;
416 QTranslator qtTranslator;
417 QString sysLocale = QLocale::system().name();
418 if (translator.load(QLatin1String("qmlscene_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
419 app.installTranslator(&translator);
420 if (qtTranslator.load(QLatin1String("qt_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
421 app.installTranslator(&qtTranslator);
423 app.removeTranslator(&translator);
427 QTranslator qmlTranslator;
428 if (!options.translationFile.isEmpty()) {
429 if (qmlTranslator.load(options.translationFile)) {
430 app.installTranslator(&qmlTranslator);
432 qWarning() << "Could not load the translation file" << options.translationFile;
436 QUnifiedTimer::instance()->setSlowModeEnabled(options.slowAnimations);
438 if (options.file.isEmpty())
439 #if defined(QMLSCENE_BUNDLE)
440 displayOptionsDialog(&options);
442 displayFileDialog(&options);
445 QQmlEngine *engine = 0;
449 if (!options.file.isEmpty()) {
450 if (!options.versionDetection || checkVersion(options.file)) {
451 QTranslator translator;
453 engine = qxView.engine();
454 for (int i = 0; i < imports.size(); ++i)
455 engine->addImportPath(imports.at(i));
456 for (int i = 0; i < bundles.size(); ++i)
457 engine->addNamedBundle(bundles.at(i).first, bundles.at(i).second);
458 if (options.file.isLocalFile()) {
459 QFileInfo fi(options.file.toLocalFile());
460 loadTranslationFile(translator, fi.path());
461 loadDummyDataFiles(*engine, fi.path());
463 qxView.setSource(options.file);
465 QObject::connect(engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
467 if (options.resizeViewToRootItem)
468 qxView.setResizeMode(QQuickView::SizeViewToRootObject);
470 qxView.setResizeMode(QQuickView::SizeRootObjectToView);
472 if (options.transparent) {
473 QSurfaceFormat surfaceFormat;
474 surfaceFormat.setAlphaBufferSize(8);
475 qxView.setFormat(surfaceFormat);
476 qxView.setClearBeforeRendering(true);
477 qxView.setColor(QColor(Qt::transparent));
478 qxView.setWindowFlags(Qt::FramelessWindowHint);
481 qxView.setWindowFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
483 if (options.fullscreen)
484 qxView.showFullScreen();
485 else if (options.maximized)
486 qxView.showMaximized();
490 if (options.quitImmediately)
491 QMetaObject::invokeMethod(QCoreApplication::instance(), "quit", Qt::QueuedConnection);
493 exitCode = app.exec();
495 #ifdef QML_RUNTIME_TESTING
496 RenderStatistics::printTotalStats();