67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
// Copyright (C) 2017 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <QApplication>
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#include <QCommandLineOption>
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#include <QCommandLineParser>
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#include <QDebug>
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#include <QDir>
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#include <QFileDialog>
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#include <QOpenGLFunctions>
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#include <QOpenGLContext>
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#include <QQmlEngine>
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#include <QQuickWidget>
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#include <QUrl>
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#include <iostream>
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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QCoreApplication::setApplicationName("QQuickWidget Viewer");
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QCoreApplication::setOrganizationName("QtProject");
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QCoreApplication::setApplicationVersion(QT_VERSION_STR);
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QCommandLineParser parser;
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parser.addHelpOption();
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parser.addVersionOption();
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parser.addPositionalArgument("url", "The URL to open.");
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parser.process(app);
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QUrl url;
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if (parser.positionalArguments().isEmpty()) {
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QFileDialog fileDialog(nullptr, "Select QML File");
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fileDialog.setMimeTypeFilters(QStringList("text/x-qml"));
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if (fileDialog.exec() != QDialog::Accepted)
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return 0;
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url = fileDialog.selectedUrls().constFirst();
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} else {
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url = QUrl::fromUserInput(parser.positionalArguments().constFirst(),
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QDir::currentPath(), QUrl::AssumeLocalFile);
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if (!url.isValid()) {
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std::cerr << qPrintable(url.errorString()) << '\n';
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return -1;
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}
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}
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QQuickWidget w(url);
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w.setAttribute(Qt::WA_AcceptTouchEvents);
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if (w.status() == QQuickWidget::Error)
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return -1;
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QObject::connect(w.engine(), &QQmlEngine::quit, &app, &QCoreApplication::quit);
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w.show();
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std::cout << "Qt " << QT_VERSION_STR << ' ' << qPrintable(app.platformName());
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if (QOpenGLContext *openglContext = w.quickWindow()->openglContext()) {
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QOpenGLFunctions *glFunctions = openglContext->functions();
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std::cout << " OpenGL \"" << glFunctions->glGetString(GL_RENDERER)
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<< "\" \"" << glFunctions->glGetString(GL_VERSION) << '"';
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}
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const qreal devicePixelRatio = w.devicePixelRatio();
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if (!qFuzzyCompare(devicePixelRatio, qreal(1)))
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std::cout << ", DPR=" << devicePixelRatio;
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std::cout << '\n';
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return app.exec();
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}
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