Windows-4.7.4/tools/qml/main.cpp - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the tools applications of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** GNU Lesser General Public License Usage
 ** This file may be used under the terms of the GNU Lesser General Public
 ** License version 2.1 as published by the Free Software Foundation and
 ** appearing in the file LICENSE.LGPL included in the packaging of this
 ** file. Please review the following information to ensure the GNU Lesser
 ** General Public License version 2.1 requirements will be met:
 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights. These rights are described in the Nokia Qt LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU General
 ** Public License version 3.0 as published by the Free Software Foundation
 ** and appearing in the file LICENSE.GPL included in the packaging of this
 ** file. Please review the following information to ensure the GNU General
 ** Public License version 3.0 requirements will be met:
 ** http://www.gnu.org/copyleft/gpl.html.
 **
 ** Other Usage
 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "qdeclarative.h"
 #include "qmlruntime.h"
 #include "qdeclarativeengine.h"
 #include "loggerwidget.h"
 #include <QWidget>
 #include <QDir>
 #include <QApplication>
 #include <QTranslator>
 #include <QDebug>
 #include <QMessageBox>
 #include <QAtomicInt>
 #include "qdeclarativetester.h"
 #include <private/qdeclarativedebughelper_p.h>

 QT_USE_NAMESPACE

 QtMsgHandler systemMsgOutput = 0;

 static QDeclarativeViewer *openFile(const QString &fileName);
 static void showViewer(QDeclarativeViewer *viewer);

 QString warnings;
 void exitApp(int i)
 {
 #ifdef Q_OS_WIN
     // Debugging output is not visible by default on Windows -
     // therefore show modal dialog with errors instead.
     if (!warnings.isEmpty()) {
         QMessageBox::warning(0, QApplication::tr("Qt QML Viewer"), warnings);
     }
 #endif
     exit(i);
 }

 QWeakPointer<LoggerWidget> logger;
 static QAtomicInt recursiveLock(0);

 #if defined (Q_OS_SYMBIAN)
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #endif

 void myMessageOutput(QtMsgType type, const char *msg)
 {
     QString strMsg = QString::fromLatin1(msg);

     if (!QCoreApplication::closingDown()) {
         if (!logger.isNull()) {
             if (recursiveLock.testAndSetOrdered(0, 1)) {
                 QMetaObject::invokeMethod(logger.data(), "append", Q_ARG(QString, strMsg));
                 recursiveLock = 0;
             }
         } else {
             warnings += strMsg;
             warnings += QLatin1Char('\n');
         }
     }
 #if defined (Q_OS_SYMBIAN)
     static int fd = -1;
     if (fd == -1)
         fd = ::open("E:\\qml.log", O_WRONLY | O_CREAT);

     ::write(fd, msg, strlen(msg));
     ::write(fd, "\n", 1);
     ::fsync(fd);
     switch (type) {
     case QtFatalMsg:
         abort();
     }
 #endif

     if (systemMsgOutput) {
         systemMsgOutput(type, msg);
     } else { // Unix
         fprintf(stderr, "%s\n", msg);
         fflush(stderr);
     }
 }

 static QDeclarativeViewer* globalViewer = 0;

 // The qml file that is shown if the user didn't specify a QML file
 QString initialFile = "qrc:/startup/startup.qml";

 void usage()
 {
     qWarning("Usage: qmlviewer [options] <filename>");
     qWarning(" ");
     qWarning(" options:");
     qWarning("  -v, -version ............................. display version");
     qWarning("  -frameless ............................... run with no window frame");
     qWarning("  -maximized................................ run maximized");
     qWarning("  -fullscreen............................... run fullscreen");
     qWarning("  -stayontop................................ keep viewer window on top");
     qWarning("  -sizeviewtorootobject .................... the view resizes to the changes in the content");
     qWarning("  -sizerootobjecttoview .................... the content resizes to the changes in the view (default)");
     qWarning("  -qmlbrowser .............................. use a QML-based file browser");
     qWarning("  -warnings [show|hide]..................... show warnings in a separate log window");
     qWarning("  -recordfile <output> ..................... set video recording file");
     qWarning("                                              - ImageMagick 'convert' for GIF)");
     qWarning("                                              - png file for raw frames");
     qWarning("                                              - 'ffmpeg' for other formats");
     qWarning("  -recorddither ordered|threshold|floyd .... set GIF dither recording mode");
     qWarning("  -recordrate <fps> ........................ set recording frame rate");
     qWarning("  -record arg .............................. add a recording process argument");
     qWarning("  -autorecord [from-]<tomilliseconds> ...... set recording to start and stop");
     qWarning("  -devicekeys .............................. use numeric keys (see F1)");
     qWarning("  -dragthreshold <size> .................... set mouse drag threshold size");
     qWarning("  -netcache <size> ......................... set disk cache to size bytes");
     qWarning("  -translation <translationfile> ........... set the language to run in");
     qWarning("  -I <directory> ........................... prepend to the module import search path,");
     qWarning("                                             display path if <directory> is empty");
     qWarning("  -P <directory> ........................... prepend to the plugin search path");
 #if defined(Q_WS_MAC)
     qWarning("  -no-opengl ............................... don't use a QGLWidget for the viewport");
 #else
     qWarning("  -opengl .................................. use a QGLWidget for the viewport");
 #endif
     qWarning("  -script <path> ........................... set the script to use");
     qWarning("  -scriptopts <options>|help ............... set the script options to use");

     qWarning(" ");
     qWarning(" Press F1 for interactive help");

     exitApp(1);
 }

 void scriptOptsUsage()
 {
     qWarning("Usage: qmlviewer -scriptopts <option>[,<option>...] ...");
     qWarning(" options:");
     qWarning("  record ................................... record a new script");
     qWarning("  play ..................................... playback an existing script");
     qWarning("  testimages ............................... record images or compare images on playback");
     qWarning("  testerror ................................ test 'error' property of root item on playback");
     qWarning("  testskip  ................................ test 'skip' property of root item on playback");
     qWarning("  snapshot ................................. file being recorded is static,");
     qWarning("                                             only one frame will be recorded or tested");
     qWarning("  exitoncomplete ........................... cleanly exit the viewer on script completion");
     qWarning("  exitonfailure ............................ immediately exit the viewer on script failure");
     qWarning("  saveonexit ............................... save recording on viewer exit");
     qWarning(" ");
     qWarning(" One of record, play or both must be specified.");

     exitApp(1);
 }

 enum WarningsConfig { ShowWarnings, HideWarnings, DefaultWarnings };

 struct ViewerOptions
 {
     ViewerOptions()
         : frameless(false),
           fps(0.0),
           autorecord_from(0),
           autorecord_to(0),
           dither("none"),
           runScript(false),
           devkeys(false),
           cache(0),
           useGL(false),
           fullScreen(false),
           stayOnTop(false),
           maximized(false),
           useNativeFileBrowser(true),
           experimentalGestures(false),
           warningsConfig(DefaultWarnings),
           sizeToView(true)
     {
 #if defined(Q_OS_SYMBIAN)
         maximized = true;
         useNativeFileBrowser = false;
 #endif

 #if defined(Q_WS_MAC)
         useGL = true;
 #endif
     }

     bool frameless;
     double fps;
     int autorecord_from;
     int autorecord_to;
     QString dither;
     QString recordfile;
     QStringList recordargs;
     QStringList imports;
     QStringList plugins;
     QString script;
     QString scriptopts;
     bool runScript;
     bool devkeys;
     int cache;
     QString translationFile;
     bool useGL;
     bool fullScreen;
     bool stayOnTop;
     bool maximized;
     bool useNativeFileBrowser;
     bool experimentalGestures;

     WarningsConfig warningsConfig;
     bool sizeToView;

     QDeclarativeViewer::ScriptOptions scriptOptions;
 };

 static ViewerOptions opts;
 static QStringList fileNames;

 class Application : public QApplication
 {
     Q_OBJECT
 public:
     Application(int &argc, char **&argv)
         : QApplication(argc, argv)
     {}

 protected:
     bool event(QEvent *ev)
     {
         if (ev->type() != QEvent::FileOpen)
             return QApplication::event(ev);

         QFileOpenEvent *fev = static_cast<QFileOpenEvent *>(ev);

         globalViewer->open(fev->file());
         if (!globalViewer->isVisible())
             showViewer(globalViewer);

         return true;
     }

 private Q_SLOTS:
     void showInitialViewer()
     {
         QApplication::processEvents();

         QDeclarativeViewer *viewer = globalViewer;
         if (!viewer)
             return;
         if (viewer->currentFile().isEmpty()) {
             if(opts.useNativeFileBrowser)
                 viewer->open(initialFile);
             else
                 viewer->openFile();
         }
         if (!viewer->isVisible())
             showViewer(viewer);
     }
 };

 static void parseScriptOptions()
 {
     QStringList options =
         opts.scriptopts.split(QLatin1Char(','), QString::SkipEmptyParts);

     QDeclarativeViewer::ScriptOptions scriptOptions = 0;
     for (int i = 0; i < options.count(); ++i) {
         const QString &option = options.at(i);
         if (option == QLatin1String("help")) {
             scriptOptsUsage();
         } else if (option == QLatin1String("play")) {
             scriptOptions |= QDeclarativeViewer::Play;
         } else if (option == QLatin1String("record")) {
             scriptOptions |= QDeclarativeViewer::Record;
         } else if (option == QLatin1String("testimages")) {
             scriptOptions |= QDeclarativeViewer::TestImages;
         } else if (option == QLatin1String("testerror")) {
             scriptOptions |= QDeclarativeViewer::TestErrorProperty;
         } else if (option == QLatin1String("testskip")) {
             scriptOptions |= QDeclarativeViewer::TestSkipProperty;
         } else if (option == QLatin1String("exitoncomplete")) {
             scriptOptions |= QDeclarativeViewer::ExitOnComplete;
         } else if (option == QLatin1String("exitonfailure")) {
             scriptOptions |= QDeclarativeViewer::ExitOnFailure;
         } else if (option == QLatin1String("saveonexit")) {
             scriptOptions |= QDeclarativeViewer::SaveOnExit;
         } else if (option == QLatin1String("snapshot")) {
             scriptOptions |= QDeclarativeViewer::Snapshot;
         } else {
             scriptOptsUsage();
         }
     }

     opts.scriptOptions = scriptOptions;
 }

 static void parseCommandLineOptions(const QStringList &arguments)
 {
     for (int i = 1; i < arguments.count(); ++i) {
         bool lastArg = (i == arguments.count() - 1);
         QString arg = arguments.at(i);
         if (arg == "-frameless") {
             opts.frameless = true;
         } else if (arg == "-maximized") {
             opts.maximized = true;
         } else if (arg == "-fullscreen") {
             opts.fullScreen = true;
         } else if (arg == "-stayontop") {
             opts.stayOnTop = true;
         } else if (arg == "-netcache") {
             if (lastArg) usage();
             opts.cache = arguments.at(++i).toInt();
         } else if (arg == "-recordrate") {
             if (lastArg) usage();
             opts.fps = arguments.at(++i).toDouble();
         } else if (arg == "-recordfile") {
             if (lastArg) usage();
             opts.recordfile = arguments.at(++i);
         } else if (arg == "-record") {
             if (lastArg) usage();
             opts.recordargs << arguments.at(++i);
         } else if (arg == "-recorddither") {
             if (lastArg) usage();
             opts.dither = arguments.at(++i);
         } else if (arg == "-autorecord") {
             if (lastArg) usage();
             QString range = arguments.at(++i);
             int dash = range.indexOf('-');
             if (dash > 0)
                 opts.autorecord_from = range.left(dash).toInt();
             opts.autorecord_to = range.mid(dash+1).toInt();
         } else if (arg == "-devicekeys") {
             opts.devkeys = true;
         } else if (arg == "-dragthreshold") {
             if (lastArg) usage();
             qApp->setStartDragDistance(arguments.at(++i).toInt());
         } else if (arg == QLatin1String("-v") || arg == QLatin1String("-version")) {
             qWarning("Qt QML Viewer version %s", QT_VERSION_STR);
             exitApp(0);
         } else if (arg == "-translation") {
             if (lastArg) usage();
             opts.translationFile = arguments.at(++i);
 #if defined(Q_WS_MAC)
         } else if (arg == "-no-opengl") {
             opts.useGL = false;
 #else
         } else if (arg == "-opengl") {
             opts.useGL = true;
 #endif
         } else if (arg == "-qmlbrowser") {
             opts.useNativeFileBrowser = false;
         } else if (arg == "-warnings") {
             if (lastArg) usage();
             QString warningsStr = arguments.at(++i);
             if (warningsStr == QLatin1String("show")) {
                 opts.warningsConfig = ShowWarnings;
             } else if (warningsStr == QLatin1String("hide")) {
                 opts.warningsConfig = HideWarnings;
             } else {
                 usage();
             }
         } else if (arg == "-I" || arg == "-L") {
             if (arg == "-L")
                 qWarning("-L option provided for compatibility only, use -I instead");
             if (lastArg) {
                 QDeclarativeEngine tmpEngine;
                 QString paths = tmpEngine.importPathList().join(QLatin1String(":"));
                 qWarning("Current search path: %s", paths.toLocal8Bit().constData());
                 exitApp(0);
             }
             opts.imports << arguments.at(++i);
         } else if (arg == "-P") {
             if (lastArg) usage();
             opts.plugins << arguments.at(++i);
         } else if (arg == "-script") {
             if (lastArg) usage();
             opts.script = arguments.at(++i);
         } else if (arg == "-scriptopts") {
             if (lastArg) usage();
             opts.scriptopts = arguments.at(++i);
         } else if (arg == "-savescript") {
             if (lastArg) usage();
             opts.script = arguments.at(++i);
             opts.runScript = false;
         } else if (arg == "-playscript") {
             if (lastArg) usage();
             opts.script = arguments.at(++i);
             opts.runScript = true;
         } else if (arg == "-sizeviewtorootobject") {
             opts.sizeToView = false;
         } else if (arg == "-sizerootobjecttoview") {
             opts.sizeToView = true;
         } else if (arg == "-experimentalgestures") {
             opts.experimentalGestures = true;
         } else if (!arg.startsWith('-')) {
             fileNames.append(arg);
         } else if (true || arg == "-help") {
             usage();
         }
     }

     if (!opts.scriptopts.isEmpty()) {

         parseScriptOptions();

         if (opts.script.isEmpty())
             usage();

         if (!(opts.scriptOptions & QDeclarativeViewer::Record) && !(opts.scriptOptions & QDeclarativeViewer::Play))
             scriptOptsUsage();
     }  else if (!opts.script.isEmpty()) {
         usage();
     }

 }

 static QDeclarativeViewer *createViewer()
 {
     Qt::WFlags wflags = (opts.frameless ? Qt::FramelessWindowHint : Qt::Widget);
     if (opts.stayOnTop)
         wflags |= Qt::WindowStaysOnTopHint;

     QDeclarativeViewer *viewer = new QDeclarativeViewer(0, wflags);
     viewer->setAttribute(Qt::WA_DeleteOnClose, true);
     viewer->setUseGL(opts.useGL);

     if (!opts.scriptopts.isEmpty()) {
         viewer->setScriptOptions(opts.scriptOptions);
         viewer->setScript(opts.script);
     }

     logger = viewer->warningsWidget();
     if (opts.warningsConfig == ShowWarnings) {
         logger.data()->setDefaultVisibility(LoggerWidget::ShowWarnings);
         logger.data()->show();
     } else if (opts.warningsConfig == HideWarnings){
         logger.data()->setDefaultVisibility(LoggerWidget::HideWarnings);
     }

     if (opts.experimentalGestures)
         viewer->enableExperimentalGestures();

     foreach (QString lib, opts.imports)
         viewer->addLibraryPath(lib);

     foreach (QString plugin, opts.plugins)
         viewer->addPluginPath(plugin);

     viewer->setNetworkCacheSize(opts.cache);
     viewer->setRecordFile(opts.recordfile);
     viewer->setSizeToView(opts.sizeToView);
     if (opts.fps > 0)
         viewer->setRecordRate(opts.fps);
     if (opts.autorecord_to)
         viewer->setAutoRecord(opts.autorecord_from, opts.autorecord_to);
     if (opts.devkeys)
         viewer->setDeviceKeys(true);
     viewer->setRecordDither(opts.dither);
     if (opts.recordargs.count())
         viewer->setRecordArgs(opts.recordargs);

     viewer->setUseNativeFileBrowser(opts.useNativeFileBrowser);

     return viewer;
 }

 void showViewer(QDeclarativeViewer *viewer)
 {
     if (opts.fullScreen)
         viewer->showFullScreen();
     else if (opts.maximized)
         viewer->showMaximized();
     else
         viewer->show();
     viewer->raise();
 }

 QDeclarativeViewer *openFile(const QString &fileName)
 {
     QDeclarativeViewer *viewer = globalViewer;

     viewer->open(fileName);
     showViewer(viewer);

     return viewer;
 }

 int main(int argc, char ** argv)
 {
     systemMsgOutput = qInstallMsgHandler(myMessageOutput);

 #if defined (Q_WS_X11) || defined (Q_WS_MAC)
     //### default to using raster graphics backend for now
     bool gsSpecified = false;
     for (int i = 0; i < argc; ++i) {
         QString arg = argv[i];
         if (arg == "-graphicssystem") {
             gsSpecified = true;
             break;
         }
     }

     if (!gsSpecified)
         QApplication::setGraphicsSystem("raster");
 #endif

     QDeclarativeDebugHelper::enableDebugging();

     Application app(argc, argv);
     app.setApplicationName("QtQmlViewer");
     app.setOrganizationName("Nokia");
     app.setOrganizationDomain("nokia.com");

     QDeclarativeViewer::registerTypes();
     QDeclarativeTester::registerTypes();

     parseCommandLineOptions(app.arguments());

     QTranslator qmlTranslator;
     if (!opts.translationFile.isEmpty()) {
         if (qmlTranslator.load(opts.translationFile)) {
             app.installTranslator(&qmlTranslator);
         } else {
             qWarning() << "Could not load the translation file" << opts.translationFile;
         }
     }

     if (opts.fullScreen && opts.maximized)
         qWarning() << "Both -fullscreen and -maximized specified. Using -fullscreen.";

     if (fileNames.isEmpty()) {
         QFile qmlapp(QLatin1String("qmlapp"));
         if (qmlapp.exists() && qmlapp.open(QFile::ReadOnly)) {
             QString content = QString::fromUtf8(qmlapp.readAll());
             qmlapp.close();

             int newline = content.indexOf(QLatin1Char('\n'));
             if (newline >= 0)
                 fileNames += content.left(newline);
             else
                 fileNames += content;
         }
     }

     globalViewer = createViewer();

     if (fileNames.isEmpty()) {
         // show the initial viewer delayed.
         // This prevents an initial viewer popping up while there
         // are FileOpen events coming through the event queue
         QTimer::singleShot(1, &app, SLOT(showInitialViewer()));
     } else {
         foreach (const QString &fileName, fileNames)
             openFile(fileName);
     }

     QObject::connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));

     return app.exec();
 }

 #include "main.moc"
	/****************************************************************************
	**
	** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
	** All rights reserved.
	** Contact: Nokia Corporation (qt-info@nokia.com)
	**
	** This file is part of the tools applications of the Qt Toolkit.
	**
	** $QT_BEGIN_LICENSE:LGPL$
	** GNU Lesser General Public License Usage
	** This file may be used under the terms of the GNU Lesser General Public
	** License version 2.1 as published by the Free Software Foundation and
	** appearing in the file LICENSE.LGPL included in the packaging of this
	** file. Please review the following information to ensure the GNU Lesser
	** General Public License version 2.1 requirements will be met:
	** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
	**
	** In addition, as a special exception, Nokia gives you certain additional
	** rights. These rights are described in the Nokia Qt LGPL Exception
	** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
	**
	** GNU General Public License Usage
	** Alternatively, this file may be used under the terms of the GNU General
	** Public License version 3.0 as published by the Free Software Foundation
	** and appearing in the file LICENSE.GPL included in the packaging of this
	** file. Please review the following information to ensure the GNU General
	** Public License version 3.0 requirements will be met:
	** http://www.gnu.org/copyleft/gpl.html.
	**
	** Other Usage
	** Alternatively, this file may be used in accordance with the terms and
	** conditions contained in a signed written agreement between you and Nokia.
	**
	**
	**
	**
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#include "qdeclarative.h"
	#include "qmlruntime.h"
	#include "qdeclarativeengine.h"
	#include "loggerwidget.h"
	#include <QWidget>
	#include <QDir>
	#include <QApplication>
	#include <QTranslator>
	#include <QDebug>
	#include <QMessageBox>
	#include <QAtomicInt>
	#include "qdeclarativetester.h"
	#include <private/qdeclarativedebughelper_p.h>

	QT_USE_NAMESPACE

	QtMsgHandler systemMsgOutput = 0;

	static QDeclarativeViewer *openFile(const QString &fileName);
	static void showViewer(QDeclarativeViewer *viewer);

	QString warnings;
	void exitApp(int i)
	{
	#ifdef Q_OS_WIN
	// Debugging output is not visible by default on Windows -
	// therefore show modal dialog with errors instead.
	if (!warnings.isEmpty()) {
	QMessageBox::warning(0, QApplication::tr("Qt QML Viewer"), warnings);
	}
	#endif
	exit(i);
	}

	QWeakPointer<LoggerWidget> logger;
	static QAtomicInt recursiveLock(0);

	#if defined (Q_OS_SYMBIAN)
	#include <unistd.h>
	#include <sys/types.h>
	#include <sys/stat.h>
	#include <fcntl.h>
	#endif

	void myMessageOutput(QtMsgType type, const char *msg)
	{
	QString strMsg = QString::fromLatin1(msg);

	if (!QCoreApplication::closingDown()) {
	if (!logger.isNull()) {
	if (recursiveLock.testAndSetOrdered(0, 1)) {
	QMetaObject::invokeMethod(logger.data(), "append", Q_ARG(QString, strMsg));
	recursiveLock = 0;
	}
	} else {
	warnings += strMsg;
	warnings += QLatin1Char('\n');
	}
	}
	#if defined (Q_OS_SYMBIAN)
	static int fd = -1;
	if (fd == -1)
	fd = ::open("E:\\qml.log", O_WRONLY \| O_CREAT);

	::write(fd, msg, strlen(msg));
	::write(fd, "\n", 1);
	::fsync(fd);
	switch (type) {
	case QtFatalMsg:
	abort();
	}
	#endif

	if (systemMsgOutput) {
	systemMsgOutput(type, msg);
	} else { // Unix
	fprintf(stderr, "%s\n", msg);
	fflush(stderr);
	}
	}

	static QDeclarativeViewer* globalViewer = 0;

	// The qml file that is shown if the user didn't specify a QML file
	QString initialFile = "qrc:/startup/startup.qml";

	void usage()
	{
	qWarning("Usage: qmlviewer [options] <filename>");
	qWarning(" ");
	qWarning(" options:");
	qWarning(" -v, -version ............................. display version");
	qWarning(" -frameless ............................... run with no window frame");
	qWarning(" -maximized................................ run maximized");
	qWarning(" -fullscreen............................... run fullscreen");
	qWarning(" -stayontop................................ keep viewer window on top");
	qWarning(" -sizeviewtorootobject .................... the view resizes to the changes in the content");
	qWarning(" -sizerootobjecttoview .................... the content resizes to the changes in the view (default)");
	qWarning(" -qmlbrowser .............................. use a QML-based file browser");
	qWarning(" -warnings [show\|hide]..................... show warnings in a separate log window");
	qWarning(" -recordfile <output> ..................... set video recording file");
	qWarning(" - ImageMagick 'convert' for GIF)");
	qWarning(" - png file for raw frames");
	qWarning(" - 'ffmpeg' for other formats");
	qWarning(" -recorddither ordered\|threshold\|floyd .... set GIF dither recording mode");
	qWarning(" -recordrate <fps> ........................ set recording frame rate");
	qWarning(" -record arg .............................. add a recording process argument");
	qWarning(" -autorecord [from-]<tomilliseconds> ...... set recording to start and stop");
	qWarning(" -devicekeys .............................. use numeric keys (see F1)");
	qWarning(" -dragthreshold <size> .................... set mouse drag threshold size");
	qWarning(" -netcache <size> ......................... set disk cache to size bytes");
	qWarning(" -translation <translationfile> ........... set the language to run in");
	qWarning(" -I <directory> ........................... prepend to the module import search path,");
	qWarning(" display path if <directory> is empty");
	qWarning(" -P <directory> ........................... prepend to the plugin search path");
	#if defined(Q_WS_MAC)
	qWarning(" -no-opengl ............................... don't use a QGLWidget for the viewport");
	#else
	qWarning(" -opengl .................................. use a QGLWidget for the viewport");
	#endif
	qWarning(" -script <path> ........................... set the script to use");
	qWarning(" -scriptopts <options>\|help ............... set the script options to use");

	qWarning(" ");
	qWarning(" Press F1 for interactive help");

	exitApp(1);
	}

	void scriptOptsUsage()
	{
	qWarning("Usage: qmlviewer -scriptopts <option>[,<option>...] ...");
	qWarning(" options:");
	qWarning(" record ................................... record a new script");
	qWarning(" play ..................................... playback an existing script");
	qWarning(" testimages ............................... record images or compare images on playback");
	qWarning(" testerror ................................ test 'error' property of root item on playback");
	qWarning(" testskip ................................ test 'skip' property of root item on playback");
	qWarning(" snapshot ................................. file being recorded is static,");
	qWarning(" only one frame will be recorded or tested");
	qWarning(" exitoncomplete ........................... cleanly exit the viewer on script completion");
	qWarning(" exitonfailure ............................ immediately exit the viewer on script failure");
	qWarning(" saveonexit ............................... save recording on viewer exit");
	qWarning(" ");
	qWarning(" One of record, play or both must be specified.");

	exitApp(1);
	}

	enum WarningsConfig { ShowWarnings, HideWarnings, DefaultWarnings };

	struct ViewerOptions
	{
	ViewerOptions()
	: frameless(false),
	fps(0.0),
	autorecord_from(0),
	autorecord_to(0),
	dither("none"),
	runScript(false),
	devkeys(false),
	cache(0),
	useGL(false),
	fullScreen(false),
	stayOnTop(false),
	maximized(false),
	useNativeFileBrowser(true),
	experimentalGestures(false),
	warningsConfig(DefaultWarnings),
	sizeToView(true)
	{
	#if defined(Q_OS_SYMBIAN)
	maximized = true;
	useNativeFileBrowser = false;
	#endif

	#if defined(Q_WS_MAC)
	useGL = true;
	#endif
	}

	bool frameless;
	double fps;
	int autorecord_from;
	int autorecord_to;
	QString dither;
	QString recordfile;
	QStringList recordargs;
	QStringList imports;
	QStringList plugins;
	QString script;
	QString scriptopts;
	bool runScript;
	bool devkeys;
	int cache;
	QString translationFile;
	bool useGL;
	bool fullScreen;
	bool stayOnTop;
	bool maximized;
	bool useNativeFileBrowser;
	bool experimentalGestures;

	WarningsConfig warningsConfig;
	bool sizeToView;

	QDeclarativeViewer::ScriptOptions scriptOptions;
	};

	static ViewerOptions opts;
	static QStringList fileNames;

	class Application : public QApplication
	{
	Q_OBJECT
	public:
	Application(int &argc, char **&argv)
	: QApplication(argc, argv)
	{}

	protected:
	bool event(QEvent *ev)
	{
	if (ev->type() != QEvent::FileOpen)
	return QApplication::event(ev);

	QFileOpenEvent fev = static_cast<QFileOpenEvent >(ev);

	globalViewer->open(fev->file());
	if (!globalViewer->isVisible())
	showViewer(globalViewer);

	return true;
	}

	private Q_SLOTS:
	void showInitialViewer()
	{
	QApplication::processEvents();

	QDeclarativeViewer *viewer = globalViewer;
	if (!viewer)
	return;
	if (viewer->currentFile().isEmpty()) {
	if(opts.useNativeFileBrowser)
	viewer->open(initialFile);
	else
	viewer->openFile();
	}
	if (!viewer->isVisible())
	showViewer(viewer);
	}
	};

	static void parseScriptOptions()
	{
	QStringList options =
	opts.scriptopts.split(QLatin1Char(','), QString::SkipEmptyParts);

	QDeclarativeViewer::ScriptOptions scriptOptions = 0;
	for (int i = 0; i < options.count(); ++i) {
	const QString &option = options.at(i);
	if (option == QLatin1String("help")) {
	scriptOptsUsage();
	} else if (option == QLatin1String("play")) {
	scriptOptions \|= QDeclarativeViewer::Play;
	} else if (option == QLatin1String("record")) {
	scriptOptions \|= QDeclarativeViewer::Record;
	} else if (option == QLatin1String("testimages")) {
	scriptOptions \|= QDeclarativeViewer::TestImages;
	} else if (option == QLatin1String("testerror")) {
	scriptOptions \|= QDeclarativeViewer::TestErrorProperty;
	} else if (option == QLatin1String("testskip")) {
	scriptOptions \|= QDeclarativeViewer::TestSkipProperty;
	} else if (option == QLatin1String("exitoncomplete")) {
	scriptOptions \|= QDeclarativeViewer::ExitOnComplete;
	} else if (option == QLatin1String("exitonfailure")) {
	scriptOptions \|= QDeclarativeViewer::ExitOnFailure;
	} else if (option == QLatin1String("saveonexit")) {
	scriptOptions \|= QDeclarativeViewer::SaveOnExit;
	} else if (option == QLatin1String("snapshot")) {
	scriptOptions \|= QDeclarativeViewer::Snapshot;
	} else {
	scriptOptsUsage();
	}
	}

	opts.scriptOptions = scriptOptions;
	}

	static void parseCommandLineOptions(const QStringList &arguments)
	{
	for (int i = 1; i < arguments.count(); ++i) {
	bool lastArg = (i == arguments.count() - 1);
	QString arg = arguments.at(i);
	if (arg == "-frameless") {
	opts.frameless = true;
	} else if (arg == "-maximized") {
	opts.maximized = true;
	} else if (arg == "-fullscreen") {
	opts.fullScreen = true;
	} else if (arg == "-stayontop") {
	opts.stayOnTop = true;
	} else if (arg == "-netcache") {
	if (lastArg) usage();
	opts.cache = arguments.at(++i).toInt();
	} else if (arg == "-recordrate") {
	if (lastArg) usage();
	opts.fps = arguments.at(++i).toDouble();
	} else if (arg == "-recordfile") {
	if (lastArg) usage();
	opts.recordfile = arguments.at(++i);
	} else if (arg == "-record") {
	if (lastArg) usage();
	opts.recordargs << arguments.at(++i);
	} else if (arg == "-recorddither") {
	if (lastArg) usage();
	opts.dither = arguments.at(++i);
	} else if (arg == "-autorecord") {
	if (lastArg) usage();
	QString range = arguments.at(++i);
	int dash = range.indexOf('-');
	if (dash > 0)
	opts.autorecord_from = range.left(dash).toInt();
	opts.autorecord_to = range.mid(dash+1).toInt();
	} else if (arg == "-devicekeys") {
	opts.devkeys = true;
	} else if (arg == "-dragthreshold") {
	if (lastArg) usage();
	qApp->setStartDragDistance(arguments.at(++i).toInt());
	} else if (arg == QLatin1String("-v") \|\| arg == QLatin1String("-version")) {
	qWarning("Qt QML Viewer version %s", QT_VERSION_STR);
	exitApp(0);
	} else if (arg == "-translation") {
	if (lastArg) usage();
	opts.translationFile = arguments.at(++i);
	#if defined(Q_WS_MAC)
	} else if (arg == "-no-opengl") {
	opts.useGL = false;
	#else
	} else if (arg == "-opengl") {
	opts.useGL = true;
	#endif
	} else if (arg == "-qmlbrowser") {
	opts.useNativeFileBrowser = false;
	} else if (arg == "-warnings") {
	if (lastArg) usage();
	QString warningsStr = arguments.at(++i);
	if (warningsStr == QLatin1String("show")) {
	opts.warningsConfig = ShowWarnings;
	} else if (warningsStr == QLatin1String("hide")) {
	opts.warningsConfig = HideWarnings;
	} else {
	usage();
	}
	} else if (arg == "-I" \|\| arg == "-L") {
	if (arg == "-L")
	qWarning("-L option provided for compatibility only, use -I instead");
	if (lastArg) {
	QDeclarativeEngine tmpEngine;
	QString paths = tmpEngine.importPathList().join(QLatin1String(":"));
	qWarning("Current search path: %s", paths.toLocal8Bit().constData());
	exitApp(0);
	}
	opts.imports << arguments.at(++i);
	} else if (arg == "-P") {
	if (lastArg) usage();
	opts.plugins << arguments.at(++i);
	} else if (arg == "-script") {
	if (lastArg) usage();
	opts.script = arguments.at(++i);
	} else if (arg == "-scriptopts") {
	if (lastArg) usage();
	opts.scriptopts = arguments.at(++i);
	} else if (arg == "-savescript") {
	if (lastArg) usage();
	opts.script = arguments.at(++i);
	opts.runScript = false;
	} else if (arg == "-playscript") {
	if (lastArg) usage();
	opts.script = arguments.at(++i);
	opts.runScript = true;
	} else if (arg == "-sizeviewtorootobject") {
	opts.sizeToView = false;
	} else if (arg == "-sizerootobjecttoview") {
	opts.sizeToView = true;
	} else if (arg == "-experimentalgestures") {
	opts.experimentalGestures = true;
	} else if (!arg.startsWith('-')) {
	fileNames.append(arg);
	} else if (true \|\| arg == "-help") {
	usage();
	}
	}

	if (!opts.scriptopts.isEmpty()) {

	parseScriptOptions();

	if (opts.script.isEmpty())
	usage();

	if (!(opts.scriptOptions & QDeclarativeViewer::Record) && !(opts.scriptOptions & QDeclarativeViewer::Play))
	scriptOptsUsage();
	} else if (!opts.script.isEmpty()) {
	usage();
	}

	}

	static QDeclarativeViewer *createViewer()
	{
	Qt::WFlags wflags = (opts.frameless ? Qt::FramelessWindowHint : Qt::Widget);
	if (opts.stayOnTop)
	wflags \|= Qt::WindowStaysOnTopHint;

	QDeclarativeViewer *viewer = new QDeclarativeViewer(0, wflags);
	viewer->setAttribute(Qt::WA_DeleteOnClose, true);
	viewer->setUseGL(opts.useGL);

	if (!opts.scriptopts.isEmpty()) {
	viewer->setScriptOptions(opts.scriptOptions);
	viewer->setScript(opts.script);
	}

	logger = viewer->warningsWidget();
	if (opts.warningsConfig == ShowWarnings) {
	logger.data()->setDefaultVisibility(LoggerWidget::ShowWarnings);
	logger.data()->show();
	} else if (opts.warningsConfig == HideWarnings){
	logger.data()->setDefaultVisibility(LoggerWidget::HideWarnings);
	}

	if (opts.experimentalGestures)
	viewer->enableExperimentalGestures();

	foreach (QString lib, opts.imports)
	viewer->addLibraryPath(lib);

	foreach (QString plugin, opts.plugins)
	viewer->addPluginPath(plugin);

	viewer->setNetworkCacheSize(opts.cache);
	viewer->setRecordFile(opts.recordfile);
	viewer->setSizeToView(opts.sizeToView);
	if (opts.fps > 0)
	viewer->setRecordRate(opts.fps);
	if (opts.autorecord_to)
	viewer->setAutoRecord(opts.autorecord_from, opts.autorecord_to);
	if (opts.devkeys)
	viewer->setDeviceKeys(true);
	viewer->setRecordDither(opts.dither);
	if (opts.recordargs.count())
	viewer->setRecordArgs(opts.recordargs);

	viewer->setUseNativeFileBrowser(opts.useNativeFileBrowser);

	return viewer;
	}

	void showViewer(QDeclarativeViewer *viewer)
	{
	if (opts.fullScreen)
	viewer->showFullScreen();
	else if (opts.maximized)
	viewer->showMaximized();
	else
	viewer->show();
	viewer->raise();
	}

	QDeclarativeViewer *openFile(const QString &fileName)
	{
	QDeclarativeViewer *viewer = globalViewer;

	viewer->open(fileName);
	showViewer(viewer);

	return viewer;
	}

	int main(int argc, char ** argv)
	{
	systemMsgOutput = qInstallMsgHandler(myMessageOutput);

	#if defined (Q_WS_X11) \|\| defined (Q_WS_MAC)
	//### default to using raster graphics backend for now
	bool gsSpecified = false;
	for (int i = 0; i < argc; ++i) {
	QString arg = argv[i];
	if (arg == "-graphicssystem") {
	gsSpecified = true;
	break;
	}
	}

	if (!gsSpecified)
	QApplication::setGraphicsSystem("raster");
	#endif

	QDeclarativeDebugHelper::enableDebugging();

	Application app(argc, argv);
	app.setApplicationName("QtQmlViewer");
	app.setOrganizationName("Nokia");
	app.setOrganizationDomain("nokia.com");

	QDeclarativeViewer::registerTypes();
	QDeclarativeTester::registerTypes();

	parseCommandLineOptions(app.arguments());

	QTranslator qmlTranslator;
	if (!opts.translationFile.isEmpty()) {
	if (qmlTranslator.load(opts.translationFile)) {
	app.installTranslator(&qmlTranslator);
	} else {
	qWarning() << "Could not load the translation file" << opts.translationFile;
	}
	}

	if (opts.fullScreen && opts.maximized)
	qWarning() << "Both -fullscreen and -maximized specified. Using -fullscreen.";

	if (fileNames.isEmpty()) {
	QFile qmlapp(QLatin1String("qmlapp"));
	if (qmlapp.exists() && qmlapp.open(QFile::ReadOnly)) {
	QString content = QString::fromUtf8(qmlapp.readAll());
	qmlapp.close();

	int newline = content.indexOf(QLatin1Char('\n'));
	if (newline >= 0)
	fileNames += content.left(newline);
	else
	fileNames += content;
	}
	}

	globalViewer = createViewer();

	if (fileNames.isEmpty()) {
	// show the initial viewer delayed.
	// This prevents an initial viewer popping up while there
	// are FileOpen events coming through the event queue
	QTimer::singleShot(1, &app, SLOT(showInitialViewer()));
	} else {
	foreach (const QString &fileName, fileNames)
	openFile(fileName);
	}

	QObject::connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));

	return app.exec();
	}

	#include "main.moc"