1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595
|
/****************************************************************************
**
** Copyright (C) 2016 Research In Motion.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "conf.h"
#include <QCoreApplication>
#ifdef QT_GUI_LIB
#include <QGuiApplication>
#include <QWindow>
#include <QFileOpenEvent>
#include <QOpenGLContext>
#include <QOpenGLFunctions>
#ifdef QT_WIDGETS_LIB
#include <QApplication>
#endif // QT_WIDGETS_LIB
#endif // QT_GUI_LIB
#include <QQmlApplicationEngine>
#include <QQmlComponent>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QStringList>
#include <QScopedPointer>
#include <QDebug>
#include <QStandardPaths>
#include <QTranslator>
#include <QtGlobal>
#include <QLibraryInfo>
#include <qqml.h>
#include <qqmldebug.h>
#if QT_CONFIG(animation)
#include <private/qabstractanimation_p.h>
#endif
#include <cstdio>
#include <cstring>
#include <cstdlib>
#define VERSION_MAJ 1
#define VERSION_MIN 1
#define VERSION_STR "1.1"
#define FILE_OPEN_EVENT_WAIT_TIME 3000 // ms
static Config *conf = nullptr;
static QQmlApplicationEngine *qae = nullptr;
#if defined(Q_OS_DARWIN) || defined(QT_GUI_LIB)
static int exitTimerId = -1;
#endif
bool verboseMode = false;
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()) {
printf("qml: Couldn't find required configuration file: %s\n",
qPrintable(QDir::toNativeSeparators(fi.absoluteFilePath())));
exit(1);
}
settingsUrl = QUrl::fromLocalFile(fi.absoluteFilePath());
}
if (!quiet) {
printf("qml: %s\n", QLibraryInfo::build());
if (builtIn)
printf("qml: Using built-in configuration.\n");
else
printf("qml: Using configuration file: %s\n",
qPrintable(settingsUrl.isLocalFile()
? QDir::toNativeSeparators(settingsUrl.toLocalFile())
: settingsUrl.toString()));
}
// 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){
printf("qml: Error loading configuration file: %s\n", qPrintable(c2.errorString()));
exit(1);
}
}
#ifdef QT_GUI_LIB
void noFilesGiven();
// Loads qml after receiving a QFileOpenEvent
class LoaderApplication : public QGuiApplication
{
public:
LoaderApplication(int& argc, char **argv) : QGuiApplication(argc, argv) {}
bool event(QEvent *ev) override
{
if (ev->type() == QEvent::FileOpen) {
if (exitTimerId >= 0) {
killTimer(exitTimerId);
exitTimerId = -1;
}
qae->load(static_cast<QFileOpenEvent *>(ev)->url());
}
else
return QGuiApplication::event(ev);
return true;
}
void timerEvent(QTimerEvent *) override {
noFilesGiven();
}
};
#endif // QT_GUI_LIB
// 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)
, earlyExit(false)
, returnCode(0)
, expect(expected)
, haveOne(false)
{
connect(e, SIGNAL(objectCreated(QObject*,QUrl)),
this, SLOT(checkFinished(QObject*)));
// QQmlApplicationEngine also connects quit() to QCoreApplication::quit
// and exit() to QCoreApplication::exit but if called before exec()
// then QCoreApplication::quit or QCoreApplication::exit does nothing
connect(e, SIGNAL(quit()),
this, SLOT(quit()));
connect(e, &QQmlEngine::exit,
this, &LoadWatcher::exit);
}
bool earlyExit;
int returnCode;
private:
void contain(QObject *o, const QUrl &containPath);
void checkForWindow(QObject *o);
int expect;
bool haveOne;
public Q_SLOTS:
void checkFinished(QObject *o)
{
if (o) {
checkForWindow(o);
haveOne = true;
if (conf && qae)
for (PartialScene *ps : qAsConst(conf->completers))
if (o->inherits(ps->itemType().toUtf8().constData()))
contain(o, ps->container());
}
if (haveOne)
return;
if (! --expect) {
printf("qml: Did not load any objects, exiting.\n");
std::exit(2);//Different return code from qFatal
}
}
void quit() {
//Will be checked before calling exec()
earlyExit = true;
returnCode = 0;
}
void exit(int retCode) {
earlyExit = true;
returnCode = retCode;
}
#if defined(QT_GUI_LIB) && QT_CONFIG(opengl)
void onOpenGlContextCreated(QOpenGLContext *context);
#endif
};
void LoadWatcher::contain(QObject *o, const QUrl &containPath)
{
QQmlComponent c(qae, containPath);
QObject *o2 = c.create();
if (!o2)
return;
checkForWindow(o2);
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
}
void LoadWatcher::checkForWindow(QObject *o)
{
#if defined(QT_GUI_LIB) && QT_CONFIG(opengl)
if (verboseMode && o->isWindowType() && o->inherits("QQuickWindow")) {
connect(o, SIGNAL(openglContextCreated(QOpenGLContext*)),
this, SLOT(onOpenGlContextCreated(QOpenGLContext*)));
}
#else
Q_UNUSED(o)
#endif // QT_GUI_LIB && !QT_NO_OPENGL
}
#if defined(QT_GUI_LIB) && QT_CONFIG(opengl)
void LoadWatcher::onOpenGlContextCreated(QOpenGLContext *context)
{
context->makeCurrent(qobject_cast<QWindow *>(sender()));
QOpenGLFunctions functions(context);
QByteArray output = "Vendor : ";
output += reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR));
output += "\nRenderer: ";
output += reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER));
output += "\nVersion : ";
output += reinterpret_cast<const char *>(functions.glGetString(GL_VERSION));
output += "\nLanguage: ";
output += reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION));
puts(output.constData());
context->doneCurrent();
}
#endif // QT_GUI_LIB && !QT_NO_OPENGL
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.
enum QmlApplicationType {
QmlApplicationTypeUnknown
, QmlApplicationTypeCore
#ifdef QT_GUI_LIB
, QmlApplicationTypeGui
#ifdef QT_WIDGETS_LIB
, QmlApplicationTypeWidget
#endif // QT_WIDGETS_LIB
#endif // QT_GUI_LIB
};
#ifndef QT_GUI_LIB
QmlApplicationType applicationType = QmlApplicationTypeCore;
#else
QmlApplicationType applicationType = QmlApplicationTypeGui;
#endif // QT_GUI_LIB
bool quietMode = false;
void printVersion()
{
printf("qml binary version ");
printf(VERSION_STR);
printf("\nbuilt with Qt version ");
printf(QT_VERSION_STR);
printf("\n");
exit(0);
}
void printUsage()
{
printf("Usage: qml [options] [files] [-- args]\n");
printf("\n");
printf("Any unknown argument before '--' 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("'gui' application type is only available if the QtGui module is available.\n");
printf("'widget' application type is only available if the QtWidgets module is available.\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");
#ifdef QT_GUI_LIB
#ifndef QT_WIDGETS_LIB
printf("\t-apptype [core|gui] .......... Select which application class to use. Default is gui.\n");
#else
printf("\t-apptype [core|gui|widget] ... Select which application class to use. Default is gui.\n");
#endif // QT_WIDGETS_LIB
#endif // QT_GUI_LIB
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("\tGL options:\n");
printf("\t-desktop.......................Force use of desktop GL (AA_UseDesktopOpenGL)\n");
printf("\t-gles..........................Force use of GLES (AA_UseOpenGLES)\n");
printf("\t-software......................Force use of software rendering (AA_UseOpenGLES)\n");
printf("\t-scaling.......................Enable High DPI scaling (AA_EnableHighDpiScaling)\n");
printf("\t-no-scaling....................Disable High DPI scaling (AA_DisableHighDpiScaling)\n");
printf("\tDebugging options:\n");
printf("\t-verbose ..................... Print information about what qml is doing, like specific file urls being loaded.\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);
}
void noFilesGiven()
{
if (!quietMode)
printf("qml: No files specified. Terminating.\n");
exit(1);
}
//Called before application initialization, removes arguments it uses
void getAppFlags(int &argc, char **argv)
{
#ifdef QT_GUI_LIB
for (int i=0; i<argc; i++) {
if (!strcmp(argv[i], "-apptype")) { // Must be done before application, as it selects application
applicationType = QmlApplicationTypeUnknown;
if (i+1 < argc) {
if (!strcmp(argv[i+1], "core"))
applicationType = QmlApplicationTypeCore;
else if (!strcmp(argv[i+1], "gui"))
applicationType = QmlApplicationTypeGui;
#ifdef QT_WIDGETS_LIB
else if (!strcmp(argv[i+1], "widget"))
applicationType = QmlApplicationTypeWidget;
#endif // QT_WIDGETS_LIB
}
if (applicationType == QmlApplicationTypeUnknown) {
#ifndef QT_WIDGETS_LIB
printf("-apptype must be followed by one of the following: core gui\n");
#else
printf("-apptype must be followed by one of the following: core gui widget\n");
#endif // QT_WIDGETS_LIB
printUsage();
}
for (int j=i; j<argc-2; j++)
argv[j] = argv[j+2];
argc -= 2;
}
}
#else
Q_UNUSED(argc)
Q_UNUSED(argv)
#endif // QT_GUI_LIB
}
bool getFileSansBangLine(const QString &path, QByteArray &output)
{
QFile f(path);
if (!f.open(QFile::ReadOnly | QFile::Text))
return false;
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'));
return true;
}
return false;
}
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);
QQmlComponent comp(&engine, dir.filePath(qml));
QObject *dummyData = comp.create();
if (comp.isError()) {
const QList<QQmlError> errors = comp.errors();
for (const QQmlError &error : errors)
qWarning() << error;
}
if (dummyData && !quietMode) {
printf("qml: Loaded dummy data: %s\n", qPrintable(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 = nullptr;
switch (applicationType) {
case QmlApplicationTypeCore:
app = new QCoreApplication(argc, argv);
break;
#ifdef QT_GUI_LIB
case QmlApplicationTypeGui:
app = new LoaderApplication(argc, argv);
break;
#ifdef QT_WIDGETS_LIB
case QmlApplicationTypeWidget:
app = new QApplication(argc, argv);
break;
#endif // QT_WIDGETS_LIB
#endif // QT_GUI_LIB
default:
Q_ASSERT_X(false, Q_FUNC_INFO, "impossible case");
break;
}
app->setApplicationName("Qml Runtime");
app->setOrganizationName("QtProject");
app->setOrganizationDomain("qt-project.org");
QCoreApplication::setApplicationVersion(QLatin1String(QT_VERSION_STR));
qmlRegisterType<Config>("QmlRuntime.Config", 1, 0, "Configuration");
qmlRegisterType<PartialScene>("QmlRuntime.Config", 1, 0, "PartialScene");
QQmlApplicationEngine e;
QStringList files;
QString confFile;
QString translationFile;
QString dummyDir;
//Handle main arguments
const QStringList argList = app->arguments();
for (int i = 1; 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("-verbose"))
verboseMode = true;
#if QT_CONFIG(animation)
else if (arg == QLatin1String("-slow-animations"))
QUnifiedTimer::instance()->setSlowModeEnabled(true);
else if (arg == QLatin1String("-fixed-animations"))
QUnifiedTimer::instance()->setConsistentTiming(true);
#endif
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 (arg == QLatin1String("-gles")) {
QCoreApplication::setAttribute(Qt::AA_UseOpenGLES);
} else if (arg == QLatin1String("-software")) {
QCoreApplication::setAttribute(Qt::AA_UseSoftwareOpenGL);
} else if (arg == QLatin1String("-desktop")) {
QCoreApplication::setAttribute(Qt::AA_UseDesktopOpenGL);
} else if (arg == QLatin1String("-scaling")) {
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
} else if (arg == QLatin1String("-no-scaling")) {
QCoreApplication::setAttribute(Qt::AA_DisableHighDpiScaling);
} else {
files << arg;
}
}
if (quietMode && verboseMode)
verboseMode = false;
#if QT_CONFIG(translation)
//qt_ translations loaded by QQmlApplicationEngine
QString sysLocale = QLocale::system().name();
if (!translationFile.isEmpty()) { //Note: installed before QQmlApplicationEngine's automatic translation loading
QTranslator translator;
if (translator.load(translationFile)) {
app->installTranslator(&translator);
if (verboseMode)
printf("qml: Loaded translation file %s\n", qPrintable(QDir::toNativeSeparators(translationFile)));
} else {
if (!quietMode)
printf("qml: Could not load the translation file %s\n", qPrintable(QDir::toNativeSeparators(translationFile)));
}
}
#else
if (!translationFile.isEmpty() && !quietMode)
printf("qml: Translation file specified, but Qt built without translation support.\n");
#endif
if (quietMode)
qInstallMessageHandler(quietMessageHandler);
if (files.count() <= 0) {
#if defined(Q_OS_DARWIN)
if (applicationType == QmlApplicationTypeGui)
exitTimerId = static_cast<LoaderApplication *>(app)->startTimer(FILE_OPEN_EVENT_WAIT_TIME);
else
#endif
noFilesGiven();
}
qae = &e;
loadConf(confFile, !verboseMode);
//Load files
QScopedPointer<LoadWatcher> lw(new LoadWatcher(&e, files.count()));
// Load dummy data before loading QML-files
if (!dummyDir.isEmpty() && QFileInfo (dummyDir).isDir())
loadDummyDataFiles(e, dummyDir);
for (const QString &path : qAsConst(files)) {
QUrl url = QUrl::fromUserInput(path, QDir::currentPath(), QUrl::AssumeLocalFile);
if (verboseMode)
printf("qml: loading %s\n", qPrintable(url.toString()));
QByteArray strippedFile;
if (getFileSansBangLine(path, strippedFile))
e.loadData(strippedFile, e.baseUrl().resolved(url)); //QQmlComponent won't resolve it for us, it doesn't know it's a valid file if we loadData
else //Errors or no bang line
e.load(url);
}
if (lw->earlyExit)
return lw->returnCode;
return app->exec();
}
#include "main.moc"
|