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Sérgio Martins authored
Change-Id: Ie0536ad94f88efe1e54226ed7f1d9e1042ffcc19 Reviewed-by:Lars Knoll <lars.knoll@digia.com>
6752b6fe
/******************************************************************************** Copyright (C) 2013 Research In Motion.** 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 "conf.h"#include <QCoreApplication>#include <QGuiApplication>#ifdef QT_WIDGETS_LIB#include <QApplication>#endif#include <QWindow>#include <QQmlApplicationEngine>#include <QFileOpenEvent>#include <QFile>#include <QFileInfo>#include <QRegularExpression>#include <QStringList>#include <QDebug>#include <QStandardPaths>#include <QtGlobal>#include <qqml.h>#include <qqmldebug.h>#include <private/qabstractanimation_p.h>#include <cstdio>#include <cstring>#include <cstdlib>#define VERSION_MAJ 1#define VERSION_MIN 0#define VERSION_STR "1.0"7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
static Config *conf = 0;
static QQmlApplicationEngine *qae = 0;
static void loadConf(const QString &override, bool quiet) // Terminates app on failure
{
const QString defaultFileName = QLatin1String("configuration.qml");
QUrl settingsUrl;
bool builtIn = false; //just for keeping track of the warning
if (override.isEmpty()) {
QFileInfo fi;
fi.setFile(QStandardPaths::locate(QStandardPaths::DataLocation, defaultFileName));
if (fi.exists()) {
settingsUrl = QUrl::fromLocalFile(fi.absoluteFilePath());
} else {
// ### If different built-in configs are needed per-platform, just apply QFileSelector to the qrc conf.qml path
settingsUrl = QUrl(QLatin1String("qrc:///qt-project.org/QmlRuntime/conf/") + defaultFileName);
builtIn = true;
}
} else {
QFileInfo fi;
fi.setFile(override);
if (!fi.exists()) {
qCritical() << QObject::tr("qml: Couldn't find required configuration file:") << fi.absoluteFilePath();
exit(1);
}
settingsUrl = QUrl::fromLocalFile(fi.absoluteFilePath());
}
if (!quiet) {
if (builtIn)
qWarning() << QObject::tr("qml: Using built-in configuration.");
else
qWarning() << QObject::tr("qml: Using configuration file:") << settingsUrl;
}
// TODO: When we have better engine control, ban QtQuick* imports on this engine
QQmlEngine e2;
QQmlComponent c2(&e2, settingsUrl);
conf = qobject_cast<Config*>(c2.create());
if (!conf){
qCritical() << QObject::tr("qml: Error loading configuration file:") << c2.errorString();
exit(1);
}
}
void contain(QObject *o, const QUrl &containPath)
{
QQmlComponent c(qae, containPath);
QObject *o2 = c.create();
if (!o2)
return;
bool success = false;
int idx;
if ((idx = o2->metaObject()->indexOfProperty("containedObject")) != -1)
success = o2->metaObject()->property(idx).write(o2, QVariant::fromValue<QObject*>(o));
if (!success)
o->setParent(o2); //Set QObject parent, and assume container will react as needed
}
// Loads qml after receiving a QFileOpenEvent
class LoaderApplication : public QGuiApplication
{
public:
LoaderApplication(int& argc, char **argv) : QGuiApplication(argc, argv) {}
bool event(QEvent *ev)
{
if (ev->type() == QEvent::FileOpen)
qae->load(static_cast<QFileOpenEvent *>(ev)->url());
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else
return QGuiApplication::event(ev);
return true;
}
};
// Listens to the appEngine signals to determine if all files failed to load
class LoadWatcher : public QObject
{
Q_OBJECT
public:
LoadWatcher(QQmlApplicationEngine *e, int expected)
: QObject(e)
, expect(expected)
, haveOne(false)
{
connect(e, SIGNAL(objectCreated(QObject*,QUrl)),
this, SLOT(checkFinished(QObject*)));
}
private:
int expect;
bool haveOne;
public Q_SLOTS:
void checkFinished(QObject *o)
{
if (o) {
haveOne = true;
if (conf && qae)
foreach (PartialScene *ps, conf->completers)
if (o->inherits(ps->itemType().toUtf8().constData()))
contain(o, ps->container());
}
if (haveOne)
return;
if (! --expect) {
qCritical() << QObject::tr("qml: Did not load any objects, exiting.");
exit(2);//Different return code from qFatal
}
}
};
void quietMessageHandler(QtMsgType type, const QMessageLogContext &ctxt, const QString &msg)
{
Q_UNUSED(ctxt);
Q_UNUSED(msg);
//Doesn't print anything
switch (type) {
case QtFatalMsg:
exit(-1);
case QtCriticalMsg:
case QtDebugMsg:
case QtWarningMsg:
default:
;
}
}
// ### Should command line arguments have translations? Qt creator doesn't, so maybe it's not worth it.
bool useCoreApp = false;
bool useWidgetApp = false;
bool quietMode = false;
void printVersion()
{
printf("qml binary version ");
printf(VERSION_STR);
printf("\nbuilt with Qt version ");
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printf(QT_VERSION_STR);
printf("\n");
exit(0);
}
void printUsage()
{
printf("Usage: qml [options] [files]\n");
printf("\n");
printf("Any argument ending in .qml will be treated as a QML file to be loaded.\n");
printf("Any number of QML files can be loaded. They will share the same engine.\n");
printf("Any argument which is not a recognized option and which does not end in .qml will be ignored.\n");
printf("'widget' application type is only available if the QtWidgets module is avaialble.\n");
printf("\n");
printf("General Options:\n");
printf("\t-h, -help..................... Print this usage information and exit.\n");
printf("\t-v, -version.................. Print the version information and exit.\n");
printf("\t-apptype [core|gui|widget] ... Select which application class to use. Default is gui.\n");
printf("\t-quiet ....................... Suppress all output.\n");
printf("\t-I [path] .................... Prepend the given path to the import paths.\n");
printf("\t-f [file] .................... Load the given file as a QML file.\n");
printf("\t-config [file] ............... Load the given file as the configuration file.\n");
printf("\t-- ........................... Arguments after this one are ignored by the launcher, but may be used within the QML application.\n");
printf("\tDebugging options:\n");
printf("\t-enable-debugger ............. Allow the QML debugger to connect to the application (also requires debugger arguments).\n");
printf("\t-translation [file] .......... Load the given file as the translations file.\n");
printf("\t-dummy-data [directory] ...... Load QML files from the given directory as context properties.\n");
printf("\t-slow-animations ............. Run all animations in slow motion.\n");
printf("\t-fixed-animations ............ Run animations off animation tick rather than wall time.\n");
exit(0);
}
//Called before application initialization, removes arguments it uses
void getAppFlags(int &argc, char **argv)
{
for (int i=0; i<argc; i++) {
if (!strcmp(argv[i], "-apptype")) { // Must be done before application, as it selects application
int type = 0;
if (i+1 < argc) {
if (!strcmp(argv[i+1], "core"))
type = 1;
else if (!strcmp(argv[i+1], "gui"))
type = 2;
#ifdef QT_WIDGETS_LIB
else if (!strcmp(argv[i+1], "widget"))
type = 3;
#endif
}
if (!type) {
#ifdef QT_WIDGETS_LIB
printf("-apptype must be followed by one of the following: core gui widget\n");
#else
printf("-apptype must be followed by one of the following: core gui\n");
#endif
printUsage();
}
switch (type) {
case 1: useCoreApp = true; break;
case 2: useCoreApp = false; break;
#ifdef QT_WIDGETS_LIB
case 3: useWidgetApp = true; break;
#endif
}
for (int j=i; j<argc-2; j++)
argv[j] = argv[j+2];
argc -= 2;
} else if (!strcmp(argv[i], "-enable-debugger")) { // Normally done via a define in the include, so expects to be before application (and must be before engine)
static QQmlDebuggingEnabler qmlEnableDebuggingHelper(true);
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for (int j=i; j<argc-1; j++)
argv[j] = argv[j+1];
argc --;
}
}
}
void getFileSansBangLine(const QString &path, QByteArray &output)
{
QFile f(path);
if (!f.open(QFile::ReadOnly | QFile::Text))
return;
output = f.readAll();
if (output.startsWith("#!"))//Remove first line in this case (except \n, to avoid disturbing line count)
output.remove(0, output.indexOf('\n'));
}
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);
QFile f(dir.filePath(qml));
f.open(QIODevice::ReadOnly);
QByteArray data = f.readAll();
QQmlComponent comp(&engine);
comp.setData(data, QUrl());
QObject *dummyData = comp.create();
if (comp.isError()) {
QList<QQmlError> errors = comp.errors();
foreach (const QQmlError &error, errors)
qWarning() << error;
}
if (dummyData && !quietMode) {
qWarning() << QObject::tr("qml: Loaded dummy data:") << dir.filePath(qml);
qml.truncate(qml.length()-4);
engine.rootContext()->setContextProperty(qml, dummyData);
dummyData->setParent(&engine);
}
}
}
int main(int argc, char *argv[])
{
getAppFlags(argc, argv);
QCoreApplication *app;
if (useCoreApp)
app = new QCoreApplication(argc, argv);
#ifdef QT_WIDGETS_LIB
else if (useWidgetApp)
app = new QApplication(argc, argv);
#endif
else
app = new LoaderApplication(argc, argv);
app->setApplicationName("Qml Runtime");
app->setOrganizationName("Qt Project");
app->setOrganizationDomain("qt-project.org");
qmlRegisterType<Config>("QmlRuntime.Config", VERSION_MAJ, VERSION_MIN, "Configuration");
qmlRegisterType<PartialScene>("QmlRuntime.Config", VERSION_MAJ, VERSION_MIN, "PartialScene");
QQmlApplicationEngine e;
QStringList files;
QString confFile;
QString translationFile;
QString dummyDir;
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//Handle main arguments
QStringList argList = app->arguments();
for (int i = 0; i < argList.count(); i++) {
const QString &arg = argList[i];
if (arg == QLatin1String("-quiet"))
quietMode = true;
else if (arg == QLatin1String("-v") || arg == QLatin1String("-version"))
printVersion();
else if (arg == QLatin1String("-h") || arg == QLatin1String("-help"))
printUsage();
else if (arg == QLatin1String("--"))
break;
else if (arg == QLatin1String("-slow-animations"))
QUnifiedTimer::instance()->setSlowModeEnabled(true);
else if (arg == QLatin1String("-fixed-animations"))
QUnifiedTimer::instance()->setConsistentTiming(true);
else if (arg == QLatin1String("-I")) {
if (i+1 == argList.count())
continue;//Invalid usage, but just ignore it
e.addImportPath(argList[i+1]);
i++;
} else if (arg == QLatin1String("-f")) {
if (i+1 == argList.count())
continue;//Invalid usage, but just ignore it
files << argList[i+1];
i++;
} else if (arg == QLatin1String("-config")){
if (i+1 == argList.count())
continue;//Invalid usage, but just ignore it
confFile = argList[i+1];
i++;
} else if (arg == QLatin1String("-translation")){
if (i+1 == argList.count())
continue;//Invalid usage, but just ignore it
translationFile = argList[i+1];
i++;
} else if (arg == QLatin1String("-dummy-data")){
if (i+1 == argList.count())
continue;//Invalid usage, but just ignore it
dummyDir = argList[i+1];
i++;
} else {
//If it ends in .qml, treat it as a file. Else ignore it
if (arg.endsWith(".qml"))
files << arg;
}
}
#ifndef QT_NO_TRANSLATION
//qt_ translations loaded by QQmlApplicationEngine
QTranslator qmlTranslator;
QString sysLocale = QLocale::system().name();
if (qmlTranslator.load(QLatin1String("qml_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
app->installTranslator(&qmlTranslator);
if (!translationFile.isEmpty()) { //Note: installed before QQmlApplicationEngine's automatic translation loading
QTranslator translator;
if (translator.load(translationFile)) {
app->installTranslator(&translator);
} else {
if (!quietMode)
qWarning() << "qml: Could not load the translation file" << translationFile;
}
}
#else
if (!translationFile.isEmpty() && !quietMode)
qWarning() << "qml: Translation file specified, but Qt built without translation support.";
#endif
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if (quietMode)
qInstallMessageHandler(quietMessageHandler);
if (files.count() <= 0) {
if (!quietMode)
qCritical() << QObject::tr("qml: No files specified. Terminating.");
exit(1);
}
qae = &e;
loadConf(confFile, quietMode);
//Load files
LoadWatcher lw(&e, files.count());
foreach (const QString &path, files) {
//QUrl::fromUserInput doesn't treat no scheme as relative file paths
QRegularExpression urlRe("[[:word:]]+://.*");
if (urlRe.match(path).hasMatch()) { //Treat as a URL
QUrl url = QUrl::fromUserInput(path);
if (!quietMode)
qDebug() << QObject::tr("qml: loading ") << url;
e.load(url);
} else { //Local file path
if (!quietMode) {
qDebug() << QObject::tr("qml: loading ") << path;
QByteArray strippedFile;
getFileSansBangLine(path, strippedFile);
if (strippedFile.isEmpty())
// If there's an error opening the file, this will give us the right error message
e.load(path);
else
e.loadData(strippedFile, QUrl::fromLocalFile(path));
} else {
e.load(path);
}
}
}
if (!dummyDir.isEmpty() && QFileInfo (dummyDir).isDir())
loadDummyDataFiles(e, dummyDir);
return app->exec();
}
#include "main.moc"