/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <QtGui>+
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+
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class Widget : public QGraphicsWidget+
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{+
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public:+
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    Widget(const QColor &color, const QColor &textColor, const QString &caption,+
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           QGraphicsItem *parent = 0)+
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        : QGraphicsWidget(parent), caption(caption), color(color), textColor(textColor)+
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    {+
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    }+
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+
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    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0)+
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    {+
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        QFont font;+
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        font.setPixelSize(0.75 * qMin(boundingRect().width(), boundingRect().height()));+
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+
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        painter->fillRect(boundingRect(), color);+
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        painter->save();+
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        painter->setFont(font);+
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        painter->setPen(textColor);+
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        painter->drawText(boundingRect(), Qt::AlignCenter, caption);+
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        painter->restore();+
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    }+
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+
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private:+
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    QString caption;+
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    QColor color;+
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    QColor textColor;+
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};+
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+
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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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+
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    QGraphicsScene *scene = new QGraphicsScene();+
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+
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    Widget *a = new Widget(Qt::blue, Qt::white, "a");+
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    a->setPreferredSize(100, 100);+
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    Widget *b = new Widget(Qt::green, Qt::black, "b");+
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    b->setPreferredSize(100, 100);+
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    Widget *c = new Widget(Qt::red, Qt::black, "c");+
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    c->setPreferredSize(100, 100);+
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+
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    QGraphicsAnchorLayout *layout = new QGraphicsAnchorLayout();+
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/*+
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    //! [adding a corner anchor in two steps]+
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    layout->addAnchor(a, Qt::AnchorTop, layout, Qt::AnchorTop);+
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    layout->addAnchor(a, Qt::AnchorLeft, layout, Qt::AnchorLeft);+
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    //! [adding a corner anchor in two steps]+
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*/+
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    //! [adding a corner anchor]+
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    layout->addCornerAnchors(a, Qt::TopLeftCorner, layout, Qt::TopLeftCorner);+
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    //! [adding a corner anchor]+
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+
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    //! [adding anchors]+
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    layout->addAnchor(b, Qt::AnchorLeft, a, Qt::AnchorRight);+
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    layout->addAnchor(b, Qt::AnchorTop, a, Qt::AnchorBottom);+
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    //! [adding anchors]+
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+
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    // Place a third widget below the second.+
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    layout->addAnchor(b, Qt::AnchorBottom, c, Qt::AnchorTop);+
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+
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/*+
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    //! [adding anchors to match sizes in two steps]+
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    layout->addAnchor(b, Qt::AnchorLeft, c, Qt::AnchorLeft);+
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    layout->addAnchor(b, Qt::AnchorRight, c, Qt::AnchorRight);+
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    //! [adding anchors to match sizes in two steps]+
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*/+
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+
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    //! [adding anchors to match sizes]+
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    layout->addAnchors(b, c, Qt::Horizontal);+
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    //! [adding anchors to match sizes]+
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+
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    // Anchor the bottom-right corner of the third widget to the bottom-right+
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    // corner of the layout.+
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    layout->addCornerAnchors(c, Qt::BottomRightCorner, layout, Qt::BottomRightCorner);+
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+
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    QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);+
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    w->setPos(20, 20);+
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    w->setMinimumSize(100, 100);+
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    w->setPreferredSize(320, 240);+
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    w->setLayout(layout);+
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    w->setWindowTitle(QApplication::translate("simpleanchorlayout", "QGraphicsAnchorLayout in use"));+
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    scene->addItem(w);+
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+
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    QGraphicsView *view = new QGraphicsView();+
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    view->setScene(scene);+
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    view->setWindowTitle(QApplication::translate("simpleanchorlayout", "Simple Anchor Layout"));+
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    view->resize(360, 320);+
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    view->show();+
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+
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    return app.exec();+
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}+
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