547 lines
20 KiB
C++
547 lines
20 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the tools applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/qdebug.h>
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#include <QtCore/qabstractanimation.h>
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#include <QtCore/qdir.h>
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#include <QtCore/qmath.h>
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#include <QtCore/qdatetime.h>
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#include <QtCore/qpointer.h>
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#include <QtCore/qscopedpointer.h>
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#include <QtGui/QGuiApplication>
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#include <QtQml/qqml.h>
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#include <QtQml/qqmlengine.h>
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#include <QtQml/qqmlcomponent.h>
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#include <QtQml/qqmlcontext.h>
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#include <QtQuick/qquickitem.h>
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#include <QtQuick/qquickview.h>
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#include <private/qabstractanimation_p.h>
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#ifdef QT_WIDGETS_LIB
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#include <QtWidgets/QApplication>
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#include <QtWidgets/QFileDialog>
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#endif
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#include <QtCore/QTranslator>
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#include <QtCore/QLibraryInfo>
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#ifdef QML_RUNTIME_TESTING
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class RenderStatistics
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{
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public:
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static void updateStats();
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static void printTotalStats();
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private:
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static QVector<qreal> timePerFrame;
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static QVector<int> timesPerFrames;
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};
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QVector<qreal> RenderStatistics::timePerFrame;
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QVector<int> RenderStatistics::timesPerFrames;
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void RenderStatistics::updateStats()
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{
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static QTime time;
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static int frames;
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static int lastTime;
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if (frames == 0) {
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time.start();
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} else {
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int elapsed = time.elapsed();
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timesPerFrames.append(elapsed - lastTime);
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lastTime = elapsed;
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if (elapsed > 5000) {
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qreal avgtime = elapsed / (qreal) frames;
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qreal var = 0;
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for (int i = 0; i < timesPerFrames.size(); ++i) {
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qreal diff = timesPerFrames.at(i) - avgtime;
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var += diff * diff;
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}
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var /= timesPerFrames.size();
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qDebug("Average time per frame: %f ms (%i fps), std.dev: %f ms", avgtime, qRound(1000. / avgtime), qSqrt(var));
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timePerFrame.append(avgtime);
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timesPerFrames.clear();
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time.start();
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lastTime = 0;
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frames = 0;
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}
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}
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++frames;
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}
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void RenderStatistics::printTotalStats()
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{
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int count = timePerFrame.count();
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if (count == 0)
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return;
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qreal minTime = 0;
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qreal maxTime = 0;
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qreal avg = 0;
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for (int i = 0; i < count; ++i) {
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minTime = minTime == 0 ? timePerFrame.at(i) : qMin(minTime, timePerFrame.at(i));
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maxTime = qMax(maxTime, timePerFrame.at(i));
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avg += timePerFrame.at(i);
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}
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avg /= count;
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qDebug(" ");
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qDebug("----- Statistics -----");
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qDebug("Average time per frame: %f ms (%i fps)", avg, qRound(1000. / avg));
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qDebug("Best time per frame: %f ms (%i fps)", minTime, int(1000 / minTime));
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qDebug("Worst time per frame: %f ms (%i fps)", maxTime, int(1000 / maxTime));
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qDebug("----------------------");
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qDebug(" ");
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}
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#endif
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struct Options
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{
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Options()
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: originalQml(false)
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, originalQmlRaster(false)
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, maximized(false)
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, fullscreen(false)
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, transparent(false)
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, clip(false)
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, versionDetection(true)
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, slowAnimations(false)
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, quitImmediately(false)
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, resizeViewToRootItem(false)
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, multisample(false)
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{
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}
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QUrl file;
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bool originalQml;
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bool originalQmlRaster;
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bool maximized;
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bool fullscreen;
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bool transparent;
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bool scenegraphOnGraphicsview;
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bool clip;
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bool versionDetection;
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bool slowAnimations;
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bool quitImmediately;
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bool resizeViewToRootItem;
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bool multisample;
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QString translationFile;
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};
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#if defined(QMLSCENE_BUNDLE)
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QFileInfoList findQmlFiles(const QString &dirName)
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{
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QDir dir(dirName);
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QFileInfoList ret;
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if (dir.exists()) {
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QFileInfoList fileInfos = dir.entryInfoList(QStringList() << "*.qml",
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QDir::Files | QDir::AllDirs | QDir::NoDotAndDotDot);
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foreach (QFileInfo fileInfo, fileInfos) {
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if (fileInfo.isDir())
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ret += findQmlFiles(fileInfo.filePath());
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else if (fileInfo.fileName().length() > 0 && fileInfo.fileName().at(0).isLower())
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ret.append(fileInfo);
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}
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}
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return ret;
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}
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static int displayOptionsDialog(Options *options)
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{
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QDialog dialog;
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QFormLayout *layout = new QFormLayout(&dialog);
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QComboBox *qmlFileComboBox = new QComboBox(&dialog);
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QFileInfoList fileInfos = findQmlFiles(":/bundle") + findQmlFiles("./qmlscene-resources");
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foreach (QFileInfo fileInfo, fileInfos)
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qmlFileComboBox->addItem(fileInfo.dir().dirName() + "/" + fileInfo.fileName(), QVariant::fromValue(fileInfo));
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QCheckBox *originalCheckBox = new QCheckBox(&dialog);
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originalCheckBox->setText("Use original QML viewer");
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originalCheckBox->setChecked(options->originalQml);
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QCheckBox *fullscreenCheckBox = new QCheckBox(&dialog);
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fullscreenCheckBox->setText("Start fullscreen");
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fullscreenCheckBox->setChecked(options->fullscreen);
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QCheckBox *maximizedCheckBox = new QCheckBox(&dialog);
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maximizedCheckBox->setText("Start maximized");
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maximizedCheckBox->setChecked(options->maximized);
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QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
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Qt::Horizontal,
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&dialog);
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QObject::connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
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QObject::connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
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layout->addRow("Qml file:", qmlFileComboBox);
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layout->addWidget(originalCheckBox);
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layout->addWidget(maximizedCheckBox);
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layout->addWidget(fullscreenCheckBox);
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layout->addWidget(buttonBox);
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int result = dialog.exec();
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if (result == QDialog::Accepted) {
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QVariant variant = qmlFileComboBox->itemData(qmlFileComboBox->currentIndex());
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QFileInfo fileInfo = variant.value<QFileInfo>();
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if (fileInfo.canonicalFilePath().startsWith(":"))
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options->file = QUrl("qrc" + fileInfo.canonicalFilePath());
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else
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options->file = QUrl::fromLocalFile(fileInfo.canonicalFilePath());
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options->originalQml = originalCheckBox->isChecked();
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options->maximized = maximizedCheckBox->isChecked();
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options->fullscreen = fullscreenCheckBox->isChecked();
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}
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return result;
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}
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#endif
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static bool checkVersion(const QUrl &url)
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{
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if (!qgetenv("QMLSCENE_IMPORT_NAME").isEmpty())
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qWarning("QMLSCENE_IMPORT_NAME is no longer supported.");
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QString fileName = url.toLocalFile();
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if (fileName.isEmpty()) {
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qWarning("qmlscene: filename required.");
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return false;
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}
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QFile f(fileName);
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if (!f.open(QFile::ReadOnly | QFile::Text)) {
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qWarning("qmlscene: failed to check version of file '%s', could not open...",
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qPrintable(fileName));
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return false;
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}
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QRegExp quick1("^\\s*import +QtQuick +1\\.\\w*");
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QRegExp qt47("^\\s*import +Qt +4\\.7");
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QTextStream stream(&f);
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bool codeFound= false;
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while (!codeFound) {
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QString line = stream.readLine();
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if (line.contains("{")) {
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codeFound = true;
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} else {
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QString import;
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if (quick1.indexIn(line) >= 0)
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import = quick1.cap(0).trimmed();
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else if (qt47.indexIn(line) >= 0)
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import = qt47.cap(0).trimmed();
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if (!import.isNull()) {
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qWarning("qmlscene: '%s' is no longer supported.\n"
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"Use qmlviewer to load file '%s'.",
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qPrintable(import),
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qPrintable(fileName));
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return false;
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}
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}
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}
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return true;
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}
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static void displayFileDialog(Options *options)
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{
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#if defined(QT_WIDGETS_LIB) && !defined(QT_NO_FILEDIALOG)
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QString fileName = QFileDialog::getOpenFileName(0, "Open QML file", QString(), "QML Files (*.qml)");
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if (!fileName.isEmpty()) {
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QFileInfo fi(fileName);
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options->file = QUrl::fromLocalFile(fi.canonicalFilePath());
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}
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#else
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Q_UNUSED(options);
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qWarning("No filename specified...");
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#endif
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}
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#ifndef QT_NO_TRANSLATION
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static void loadTranslationFile(QTranslator &translator, const QString& directory)
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{
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translator.load(QLatin1String("qml_" )+QLocale::system().name(), directory + QLatin1String("/i18n"));
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QCoreApplication::installTranslator(&translator);
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}
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#endif
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static void loadDummyDataFiles(QQmlEngine &engine, const QString& directory)
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{
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QDir dir(directory+"/dummydata", "*.qml");
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QStringList list = dir.entryList();
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for (int i = 0; i < list.size(); ++i) {
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QString qml = list.at(i);
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QFile f(dir.filePath(qml));
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f.open(QIODevice::ReadOnly);
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QByteArray data = f.readAll();
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QQmlComponent comp(&engine);
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comp.setData(data, QUrl());
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QObject *dummyData = comp.create();
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if(comp.isError()) {
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QList<QQmlError> errors = comp.errors();
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foreach (const QQmlError &error, errors)
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qWarning() << error;
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}
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if (dummyData) {
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qWarning() << "Loaded dummy data:" << dir.filePath(qml);
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qml.truncate(qml.length()-4);
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engine.rootContext()->setContextProperty(qml, dummyData);
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dummyData->setParent(&engine);
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}
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}
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}
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static void usage()
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{
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qWarning("Usage: qmlscene [options] <filename>");
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qWarning(" ");
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qWarning(" Options:");
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qWarning(" --maximized ............................... Run maximized");
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qWarning(" --fullscreen .............................. Run fullscreen");
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qWarning(" --transparent ............................. Make the window transparent");
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qWarning(" --multisample ............................. Enable multisampling (OpenGL anti-aliasing)");
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qWarning(" --no-version-detection .................... Do not try to detect the version of the .qml file");
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qWarning(" --slow-animations ......................... Run all animations in slow motion");
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qWarning(" --resize-to-root .......................... Resize the window to the size of the root item");
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qWarning(" --quit .................................... Quit immediately after starting");
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qWarning(" -I <path> ................................. Add <path> to the list of import paths");
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qWarning(" -B <name> <file> .......................... Add a named bundle");
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qWarning(" -translation <translationfile> ............ Set the language to run in");
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qWarning(" ");
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exit(1);
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}
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int main(int argc, char ** argv)
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{
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Options options;
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QStringList imports;
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QList<QPair<QString, QString> > bundles;
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for (int i = 1; i < argc; ++i) {
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if (*argv[i] != '-' && QFileInfo(QFile::decodeName(argv[i])).exists()) {
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options.file = QUrl::fromLocalFile(argv[i]);
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} else {
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const QString lowerArgument = QString::fromLatin1(argv[i]).toLower();
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if (lowerArgument == QLatin1String("--maximized"))
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options.maximized = true;
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else if (lowerArgument == QLatin1String("--fullscreen"))
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options.fullscreen = true;
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else if (lowerArgument == QLatin1String("--transparent"))
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options.transparent = true;
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else if (lowerArgument == QLatin1String("--clip"))
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options.clip = true;
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else if (lowerArgument == QLatin1String("--no-version-detection"))
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options.versionDetection = false;
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else if (lowerArgument == QLatin1String("--slow-animations"))
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options.slowAnimations = true;
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else if (lowerArgument == QLatin1String("--quit"))
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options.quitImmediately = true;
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else if (lowerArgument == QLatin1String("-translation"))
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options.translationFile = QLatin1String(argv[++i]);
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else if (lowerArgument == QLatin1String("--resize-to-root"))
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options.resizeViewToRootItem = true;
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else if (lowerArgument == QLatin1String("--multisample"))
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options.multisample = true;
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else if (lowerArgument == QLatin1String("-i") && i + 1 < argc)
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imports.append(QString::fromLatin1(argv[++i]));
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else if (lowerArgument == QLatin1String("-b") && i + 2 < argc) {
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QString name = QString::fromLatin1(argv[++i]);
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QString file = QString::fromLatin1(argv[++i]);
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bundles.append(qMakePair(name, file));
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} else if (lowerArgument == QLatin1String("--help")
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|| lowerArgument == QLatin1String("-help")
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|| lowerArgument == QLatin1String("--h")
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|| lowerArgument == QLatin1String("-h"))
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usage();
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}
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}
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#ifdef QT_WIDGETS_LIB
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QApplication app(argc, argv);
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#else
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QGuiApplication app(argc, argv);
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#endif
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app.setApplicationName("QtQmlViewer");
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app.setOrganizationName("Qt Project");
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app.setOrganizationDomain("qt-project.org");
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#ifndef QT_NO_TRANSLATION
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QTranslator translator;
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QTranslator qtTranslator;
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QString sysLocale = QLocale::system().name();
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if (translator.load(QLatin1String("qmlscene_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
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app.installTranslator(&translator);
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if (qtTranslator.load(QLatin1String("qt_") + sysLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
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app.installTranslator(&qtTranslator);
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} else {
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app.removeTranslator(&translator);
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}
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}
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QTranslator qmlTranslator;
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if (!options.translationFile.isEmpty()) {
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if (qmlTranslator.load(options.translationFile)) {
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app.installTranslator(&qmlTranslator);
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} else {
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qWarning() << "Could not load the translation file" << options.translationFile;
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}
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}
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#endif
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QUnifiedTimer::instance()->setSlowModeEnabled(options.slowAnimations);
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if (options.file.isEmpty())
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#if defined(QMLSCENE_BUNDLE)
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displayOptionsDialog(&options);
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#else
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displayFileDialog(&options);
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#endif
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int exitCode = 0;
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if (!options.file.isEmpty()) {
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if (!options.versionDetection || checkVersion(options.file)) {
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#ifndef QT_NO_TRANSLATION
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QTranslator translator;
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#endif
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// TODO: as soon as the engine construction completes, the debug service is
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// listening for connections. But actually we aren't ready to debug anything.
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QQmlEngine engine;
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QPointer<QQmlComponent> component = new QQmlComponent(&engine);
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for (int i = 0; i < imports.size(); ++i)
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engine.addImportPath(imports.at(i));
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for (int i = 0; i < bundles.size(); ++i)
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engine.addNamedBundle(bundles.at(i).first, bundles.at(i).second);
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if (options.file.isLocalFile()) {
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QFileInfo fi(options.file.toLocalFile());
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#ifndef QT_NO_TRANSLATION
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loadTranslationFile(translator, fi.path());
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#endif
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loadDummyDataFiles(engine, fi.path());
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}
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QObject::connect(&engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
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component->loadUrl(options.file);
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if ( !component->isReady() ) {
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qWarning("%s", qPrintable(component->errorString()));
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return -1;
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}
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QObject *topLevel = component->create();
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QScopedPointer<QQuickWindow> window(qobject_cast<QQuickWindow *>(topLevel));
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if (window) {
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engine.setIncubationController(window->incubationController());
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} else {
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QQuickItem *contentItem = qobject_cast<QQuickItem *>(topLevel);
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if (contentItem) {
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QQuickView* qxView = new QQuickView(&engine, NULL);
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window.reset(qxView);
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// Set window default properties; the qml can still override them
|
|
QString oname = contentItem->objectName();
|
|
window->setTitle(oname.isEmpty() ? QString::fromLatin1("qmlscene") : QString::fromLatin1("qmlscene: ") + oname);
|
|
if (options.resizeViewToRootItem)
|
|
qxView->setResizeMode(QQuickView::SizeViewToRootObject);
|
|
else
|
|
qxView->setResizeMode(QQuickView::SizeRootObjectToView);
|
|
qxView->setContent(options.file, component, contentItem);
|
|
}
|
|
}
|
|
|
|
if (window) {
|
|
QSurfaceFormat surfaceFormat = window->requestedFormat();
|
|
if (options.multisample)
|
|
surfaceFormat.setSamples(16);
|
|
if (options.transparent) {
|
|
surfaceFormat.setAlphaBufferSize(8);
|
|
window->setClearBeforeRendering(true);
|
|
window->setColor(QColor(Qt::transparent));
|
|
window->setFlags(Qt::FramelessWindowHint);
|
|
}
|
|
window->setFormat(surfaceFormat);
|
|
|
|
if (window->flags() == Qt::Window) // Fix window flags unless set by QML.
|
|
window->setFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint | Qt::WindowFullscreenButtonHint);
|
|
|
|
if (options.fullscreen)
|
|
window->showFullScreen();
|
|
else if (options.maximized)
|
|
window->showMaximized();
|
|
else if (!window->isVisible())
|
|
window->show();
|
|
}
|
|
|
|
if (options.quitImmediately)
|
|
QMetaObject::invokeMethod(QCoreApplication::instance(), "quit", Qt::QueuedConnection);
|
|
|
|
// Now would be a good time to inform the debug service to start listening.
|
|
|
|
exitCode = app.exec();
|
|
|
|
#ifdef QML_RUNTIME_TESTING
|
|
RenderStatistics::printTotalStats();
|
|
#endif
|
|
// Ready to exit. Notice that the component might be owned by
|
|
// QQuickView if one was created. That case is tracked by
|
|
// QPointer, so it is safe to delete the component here.
|
|
delete component;
|
|
}
|
|
}
|
|
|
|
return exitCode;
|
|
}
|