/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
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** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

//! [0]
Q3ScrollView* sv = new Q3ScrollView(...);
QWidget *widget = new QWidget(sv->viewport());
QVBoxLayout *layout = new QVBoxLayout(widget);
addChild(widget);
//! [0]


//! [1]
QLabel* child1 = new QLabel("CHILD", widget);
QLabel* child2 = new QLabel("CHILD", widget);
QLabel* child3 = new QLabel("CHILD", widget);
layout->addWidget(child1);
layout->addWidget(child2);
layout->addWidget(child3);
...
//! [1]


//! [2]
Q3ScrollView* sv = new Q3ScrollView(...);
QLabel* child1 = new QLabel("CHILD", sv->viewport());
sv->addChild(child1);
QLabel* child2 = new QLabel("CHILD", sv->viewport());
sv->addChild(child2);
QLabel* child3 = new QLabel("CHILD", sv->viewport());
sv->addChild(child3);
//! [2]


//! [3]
Q3ScrollView* sv = new Q3ScrollView(...);
sv->enableClipper(true);
QLabel* child1 = new QLabel("CHILD", sv->viewport());
sv->addChild(child1);
QLabel* child2 = new QLabel("CHILD", sv->viewport());
sv->addChild(child2);
QLabel* child3 = new QLabel("CHILD", sv->viewport());
sv->addChild(child3);
//! [3]


//! [4]
{
    // Fill a 40000 by 50000 rectangle at (100000,150000)

    // Calculate the coordinates...
    int x1 = 100000, y1 = 150000;
    int x2 = x1+40000-1, y2 = y1+50000-1;

    // Clip the coordinates so X/Windows will not have problems...
    if (x1 < clipx) x1=clipx;
    if (y1 < clipy) y1=clipy;
    if (x2 > clipx+clipw-1) x2=clipx+clipw-1;
    if (y2 > clipy+cliph-1) y2=clipy+cliph-1;

    // Paint using the small coordinates...
    if (x2 >= x1 && y2 >= y1)
        p->fillRect(x1, y1, x2-x1+1, y2-y1+1, red);
}
//! [4]