// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "glwidget.h" #include "widget.h" #include "window.h" #include #include #include //! [0] Window::Window() { setWindowTitle(tr("2D Painting on Native and OpenGL Widgets")); Widget *native = new Widget(&helper, this); GLWidget *openGL = new GLWidget(&helper, this); QLabel *nativeLabel = new QLabel(tr("Native")); nativeLabel->setAlignment(Qt::AlignHCenter); QLabel *openGLLabel = new QLabel(tr("OpenGL")); openGLLabel->setAlignment(Qt::AlignHCenter); QGridLayout *layout = new QGridLayout; layout->addWidget(native, 0, 0); layout->addWidget(openGL, 0, 1); layout->addWidget(nativeLabel, 1, 0); layout->addWidget(openGLLabel, 1, 1); setLayout(layout); QTimer *timer = new QTimer(this); connect(timer, &QTimer::timeout, native, &Widget::animate); connect(timer, &QTimer::timeout, openGL, &GLWidget::animate); timer->start(50); } //! [0]