void tst_QWidget_window::tst_recreateWindow_QTBUG40817() { QTabWidget tab; QWidget *w = new QWidget; tab.addTab(w, "Tab1"); QVBoxLayout *vl = new QVBoxLayout(w); QLabel *lbl = new QLabel("HELLO1"); lbl->setObjectName("label1"); vl->addWidget(lbl); w = new QWidget; tab.addTab(w, "Tab2"); vl = new QVBoxLayout(w); lbl = new QLabel("HELLO2"); lbl->setAttribute(Qt::WA_NativeWindow); lbl->setObjectName("label2"); vl->addWidget(lbl); tab.show(); QVERIFY(QTest::qWaitForWindowExposed(&tab)); QWindow *win = tab.windowHandle(); win->destroy(); QWindowPrivate *p = qt_window_private(win); p->create(true); win->show(); tab.setCurrentIndex(1); }
QString openGlContext() { QString result; QTextStream str(&result); QOpenGLContext context; if (context.create()) { # ifdef QT_OPENGL_DYNAMIC str << "Dynamic GL "; # endif switch (context.openGLModuleType()) { case QOpenGLContext::LibGL: str << "LibGL"; break; case QOpenGLContext::LibGLES: str << "LibGLES"; break; } QWindow window; if (QGuiApplication::platformName() == QLatin1String("greenisland")) window.setFlags(Qt::Desktop); window.setSurfaceType(QSurface::OpenGLSurface); //window.setScreen(QGuiApplication::primaryScreen()); window.create(); if (context.makeCurrent(&window)) { QOpenGLFunctions functions(&context); str << " Vendor: " << reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR)) << "\nRenderer: " << reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER)) << "\nVersion: " << reinterpret_cast<const char *>(functions.glGetString(GL_VERSION)) << "\nGLSL version: " << reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION)) << "\nFormat: " << context.format(); QList<QByteArray> extensionList = context.extensions().toList(); std::sort(extensionList.begin(), extensionList.end()); QByteArray extensions = extensionList.join(' '); str << " \nFound " << extensionList.size() << " extensions:\n"; str << wordWrap(extensions, 78); context.doneCurrent(); } window.destroy(); } else { str << "Unable to create an Open GL context.\n"; } return result; }