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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "window.h"
++ #include "layoutitem.h"
++
++ #include <QGraphicsLinearLayout>
++ #include <QGraphicsGridLayout>
++
++ Window::Window(QGraphicsWidget *parent) : QGraphicsWidget(parent, Qt::Window)
++ {
++ //! [0]
++ QGraphicsLinearLayout *windowLayout = new QGraphicsLinearLayout(Qt::Vertical);
++ QGraphicsLinearLayout *linear = new QGraphicsLinearLayout(windowLayout);
++ LayoutItem *item = new LayoutItem;
++ linear->addItem(item);
++ linear->setStretchFactor(item, 1);
++ //! [0]
++
++ //! [1]
++ item = new LayoutItem;
++ linear->addItem(item);
++ linear->setStretchFactor(item, 3);
++ windowLayout->addItem(linear);
++ //! [1]
++
++ //! [2]
++ QGraphicsGridLayout *grid = new QGraphicsGridLayout(windowLayout);
++ item = new LayoutItem;
++ grid->addItem(item, 0, 0, 4, 1);
++ item = new LayoutItem;
++ item->setMaximumHeight(item->minimumHeight());
++ grid->addItem(item, 0, 1, 2, 1, Qt::AlignVCenter);
++ item = new LayoutItem;
++ item->setMaximumHeight(item->minimumHeight());
++ grid->addItem(item, 2, 1, 2, 1, Qt::AlignVCenter);
++ item = new LayoutItem;
++ grid->addItem(item, 0, 2);
++ item = new LayoutItem;
++ grid->addItem(item, 1, 2);
++ item = new LayoutItem;
++ grid->addItem(item, 2, 2);
++ item = new LayoutItem;
++ grid->addItem(item, 3, 2);
++ windowLayout->addItem(grid);
++ //! [2]
++
++ //! [3]
++ setLayout(windowLayout);
++ setWindowTitle(tr("Basic Graphics Layouts Example"));
++ //! [3]
++
++ }