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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDir>
#include <QTranslator>
#include <QDebug>
#include <QAtomicInt>
#include <QLibraryInfo>
#include <QProcess>
#include <QPointer>
#include <QWidget>
#include <QApplication>
#include <QMessageBox>
#include "qdeclarative.h"
#include "qmlruntime.h"
#include "qdeclarativeengine.h"
#include "loggerwidget.h"
#include "qdeclarativetester.h"
QT_USE_NAMESPACE
QtMessageHandler 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()) {
const QString message = QStringLiteral("<pre>") + warnings + QStringLiteral("</pre>");
QMessageBox::warning(0, QApplication::translate("QDeclarativeViewer", "Qt QML Viewer"),
message);
}
#endif
exit(i);
}
QPointer<LoggerWidget> logger;
static QAtomicInt recursiveLock(0);
void myMessageOutput(QtMsgType type, const QMessageLogContext &ctxt, const QString &msg)
{
if (!QCoreApplication::closingDown()) {
if (!logger.isNull()) {
if (recursiveLock.testAndSetOrdered(0, 1)) {
QMetaObject::invokeMethod(logger.data(), "append", Q_ARG(QString, msg));
recursiveLock = 0;
}
} else {
warnings += msg;
warnings += QLatin1Char('\n');
}
}
if (systemMsgOutput) {
systemMsgOutput(type, ctxt, msg);
} else { // Unix
fprintf(stderr, "%s\n", msg.toLocal8Bit().constData());
fflush(stderr);
}
}
static QDeclarativeViewer* globalViewer = 0;
// The qml file that is shown if the user didn't specify a QML file
QString initialFile = QLatin1String("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_OS_MAC)
qWarning(" -no-opengl ............................... don't use a QGLWidget for the viewport");
qWarning(" -opengl .................................. use a QGLWidget for the viewport (default)");
#else
qWarning(" -no-opengl ............................... don't use a QGLWidget for the viewport (default)");
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(QLatin1String("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_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 == QLatin1String("-frameless")) {
opts.frameless = true;
} else if (arg == QLatin1String("-maximized")) {
opts.maximized = true;
} else if (arg == QLatin1String("-fullscreen")) {
opts.fullScreen = true;
} else if (arg == QLatin1String("-stayontop")) {
opts.stayOnTop = true;
} else if (arg == QLatin1String("-netcache")) {
if (lastArg) usage();
opts.cache = arguments.at(++i).toInt();
} else if (arg == QLatin1String("-recordrate")) {
if (lastArg) usage();
opts.fps = arguments.at(++i).toDouble();
} else if (arg == QLatin1String("-recordfile")) {
if (lastArg) usage();
opts.recordfile = arguments.at(++i);
} else if (arg == QLatin1String("-record")) {
if (lastArg) usage();
opts.recordargs << arguments.at(++i);
} else if (arg == QLatin1String("-recorddither")) {
if (lastArg) usage();
opts.dither = arguments.at(++i);
} else if (arg == QLatin1String("-autorecord")) {
if (lastArg) usage();
QString range = arguments.at(++i);
int dash = range.indexOf(QLatin1Char('-'));
if (dash > 0)
opts.autorecord_from = range.left(dash).toInt();
opts.autorecord_to = range.mid(dash+1).toInt();
} else if (arg == QLatin1String("-devicekeys")) {
opts.devkeys = true;
} else if (arg == QLatin1String("-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 == QLatin1String("-translation")) {
if (lastArg) usage();
opts.translationFile = arguments.at(++i);
} else if (arg == QLatin1String("-no-opengl")) {
opts.useGL = false;
} else if (arg == QLatin1String("-opengl")) {
opts.useGL = true;
} else if (arg == QLatin1String("-qmlbrowser")) {
opts.useNativeFileBrowser = false;
} else if (arg == QLatin1String("-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 == QLatin1String("-I") || arg == QLatin1String("-L")) {
if (arg == QLatin1String("-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 == QLatin1String("-P")) {
if (lastArg) usage();
opts.plugins << arguments.at(++i);
} else if (arg == QLatin1String("-script")) {
if (lastArg) usage();
opts.script = arguments.at(++i);
} else if (arg == QLatin1String("-scriptopts")) {
if (lastArg) usage();
opts.scriptopts = arguments.at(++i);
} else if (arg == QLatin1String("-savescript")) {
if (lastArg) usage();
opts.script = arguments.at(++i);
opts.runScript = false;
} else if (arg == QLatin1String("-playscript")) {
if (lastArg) usage();
opts.script = arguments.at(++i);
opts.runScript = true;
} else if (arg == QLatin1String("-sizeviewtorootobject")) {
opts.sizeToView = false;
} else if (arg == QLatin1String("-sizerootobjecttoview")) {
opts.sizeToView = true;
} else if (arg == QLatin1String("-experimentalgestures")) {
opts.experimentalGestures = true;
} else if (!arg.startsWith(QLatin1Char('-'))) {
fileNames.append(arg);
} else if (true || arg == QLatin1String("-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::WindowFlags 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;
}
static bool checkVersion(const QString &fileName)
{
QFile f(fileName);
if (!f.open(QFile::ReadOnly | QFile::Text)) {
qWarning("qmlviewer: failed to check version of file '%s', could not open...",
qPrintable(fileName));
return false;
}
QRegExp quick2(QString::fromLatin1("^\\s*import +QtQuick +2\\.\\w*"));
QTextStream stream(&f);
bool codeFound= false;
while (!codeFound) {
QString line = stream.readLine();
if (line.contains(QLatin1Char('{'))) {
codeFound = true;
} else {
QString import;
if (quick2.indexIn(line) >= 0)
import = quick2.cap(0).trimmed();
if (!import.isNull()) {
// make an effort to try run it with qmlviewer automatically
QProcess::startDetached(QString::fromLatin1("qmlscene"), QCoreApplication::arguments());
qWarning("qmlviewer: '%s' is not supported by qmlviewer.\n"
"Use qmlscene to load file '%s'.",
qPrintable(import),
qPrintable(fileName));
return false;
}
}
}
return true;
}
int main(int argc, char ** argv)
{
systemMsgOutput = qInstallMessageHandler(myMessageOutput);
Application app(argc, argv);
app.setApplicationName(QLatin1String("QtQmlViewer"));
app.setOrganizationName(QLatin1String("QtProject"));
app.setOrganizationDomain(QLatin1String("www.qt-project.org"));
QDeclarativeViewer::registerTypes();
QDeclarativeTester::registerTypes();
parseCommandLineOptions(app.arguments());
QTranslator translator;
QTranslator qtTranslator;
QString sysLocale = QLocale::system().name();
if (translator.load(QLatin1String("qmlviewer_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
app.installTranslator(&translator);
if (qtTranslator.load(QLatin1String("qt_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
app.installTranslator(&qtTranslator);
} else {
app.removeTranslator(&translator);
}
}
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();
int filesRunning = 0;
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) {
if (!checkVersion(fileName))
continue;
openFile(fileName);
filesRunning++;
}
}
// File names passed, but they are all of version 2. 'qmlscene' was launched by checkVersion, quit.
if (!fileNames.isEmpty() && !filesRunning)
return 0;
QObject::connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));
return app.exec();
}
#include "main.moc"
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