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| |
| #include "hellowindow.h" |
| |
| #include <qpa/qplatformintegration.h> |
| |
| #include <QCommandLineParser> |
| #include <QCommandLineOption> |
| #include <QGuiApplication> |
| #include <QScreen> |
| #include <QThread> |
| |
| int main(int argc, char *argv[]) |
| { |
| QGuiApplication app(argc, argv); |
| |
| QCoreApplication::setApplicationName("Qt HelloWindow GL Example"); |
| QCoreApplication::setOrganizationName("QtProject"); |
| QCoreApplication::setApplicationVersion(QT_VERSION_STR); |
| QCommandLineParser parser; |
| parser.setApplicationDescription(QCoreApplication::applicationName()); |
| parser.addHelpOption(); |
| parser.addVersionOption(); |
| QCommandLineOption multipleOption("multiple", "Create multiple windows"); |
| parser.addOption(multipleOption); |
| QCommandLineOption multipleSampleOption("multisample", "Multisampling"); |
| parser.addOption(multipleSampleOption); |
| QCommandLineOption multipleScreenOption("multiscreen", "Run on multiple screens"); |
| parser.addOption(multipleScreenOption); |
| QCommandLineOption timeoutOption("timeout", "Close after 10s"); |
| parser.addOption(timeoutOption); |
| parser.process(app); |
| |
| // Some platforms can only have one window per screen. Therefore we need to differentiate. |
| const bool multipleWindows = parser.isSet(multipleOption); |
| const bool multipleScreens = parser.isSet(multipleScreenOption); |
| |
| QScreen *screen = QGuiApplication::primaryScreen(); |
| |
| QRect screenGeometry = screen->availableGeometry(); |
| |
| QSurfaceFormat format; |
| format.setDepthBufferSize(16); |
| if (parser.isSet(multipleSampleOption)) |
| format.setSamples(4); |
| |
| QPoint center = QPoint(screenGeometry.center().x(), screenGeometry.top() + 80); |
| QSize windowSize(400, 320); |
| int delta = 40; |
| |
| QList<QWindow *> windows; |
| QSharedPointer<Renderer> rendererA(new Renderer(format)); |
| |
| HelloWindow *windowA = new HelloWindow(rendererA); |
| windowA->setGeometry(QRect(center, windowSize).translated(-windowSize.width() - delta / 2, 0)); |
| windowA->setTitle(QStringLiteral("Thread A - Context A")); |
| windowA->setVisible(true); |
| windows.prepend(windowA); |
| |
| QList<QThread *> renderThreads; |
| if (multipleWindows) { |
| QSharedPointer<Renderer> rendererB(new Renderer(format, rendererA.data())); |
| |
| QThread *renderThread = new QThread; |
| rendererB->moveToThread(renderThread); |
| renderThreads << renderThread; |
| |
| HelloWindow *windowB = new HelloWindow(rendererA); |
| windowB->setGeometry(QRect(center, windowSize).translated(delta / 2, 0)); |
| windowB->setTitle(QStringLiteral("Thread A - Context A")); |
| windowB->setVisible(true); |
| windows.prepend(windowB); |
| |
| HelloWindow *windowC = new HelloWindow(rendererB); |
| windowC->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, windowSize.height() + delta)); |
| windowC->setTitle(QStringLiteral("Thread B - Context B")); |
| windowC->setVisible(true); |
| windows.prepend(windowC); |
| } |
| if (multipleScreens) { |
| for (int i = 1; i < QGuiApplication::screens().size(); ++i) { |
| QScreen *screen = QGuiApplication::screens().at(i); |
| QSharedPointer<Renderer> renderer(new Renderer(format, rendererA.data(), screen)); |
| |
| QThread *renderThread = new QThread; |
| renderer->moveToThread(renderThread); |
| renderThreads.prepend(renderThread); |
| |
| QRect screenGeometry = screen->availableGeometry(); |
| QPoint center = screenGeometry.center(); |
| |
| QSize windowSize = screenGeometry.size() * 0.8; |
| |
| HelloWindow *window = new HelloWindow(renderer, screen); |
| window->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, -windowSize.height() / 2)); |
| |
| QChar id = QChar('B' + i); |
| window->setTitle(QStringLiteral("Thread ") + id + QStringLiteral(" - Context ") + id); |
| window->setVisible(true); |
| windows.prepend(window); |
| } |
| } |
| |
| for (int i = 0; i < renderThreads.size(); ++i) { |
| QObject::connect(qGuiApp, &QGuiApplication::lastWindowClosed, renderThreads.at(i), &QThread::quit); |
| renderThreads.at(i)->start(); |
| } |
| |
| // Quit after 10 seconds. For platforms that do not have windows that are closeable. |
| if (parser.isSet(timeoutOption)) |
| QTimer::singleShot(10000, qGuiApp, &QCoreApplication::quit); |
| |
| const int exitValue = app.exec(); |
| |
| for (int i = 0; i < renderThreads.size(); ++i) { |
| renderThreads.at(i)->quit(); // some platforms may not have windows to close so ensure quit() |
| renderThreads.at(i)->wait(); |
| } |
| |
| qDeleteAll(windows); |
| qDeleteAll(renderThreads); |
| |
| return exitValue; |
| } |