--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/code/doc_src_layout.qdoc	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+#ifndef CARD_H
+#define CARD_H
+
+#include <QtGui>
+#include <QList>
+
+class CardLayout : public QLayout
+{
+public:
+    CardLayout(QWidget *parent, int dist): QLayout(parent, 0, dist) {}
+    CardLayout(QLayout *parent, int dist): QLayout(parent, dist) {}
+    CardLayout(int dist): QLayout(dist) {}
+    ~CardLayout();
+
+    void addItem(QLayoutItem *item);
+    QSize sizeHint() const;
+    QSize minimumSize() const;
+	QLayoutItem *count() const;
+    QLayoutItem *itemAt(int) const;
+    QLayoutItem *takeAt(int);
+    void setGeometry(const QRect &rect);
+
+private:
+    QList<QLayoutItem*> list;
+};
+#endif
+//! [0]
+
+
+//! [1]
+//#include "card.h"
+//! [1]
+
+//! [2]
+QLayoutItem *CardLayout::count() const
+{
+	// QList::size() returns the number of QLayoutItems in the list
+    return list.size();
+}
+//! [2]
+
+//! [3]
+QLayoutItem *CardLayout::itemAt(int idx) const
+{
+    // QList::value() performs index checking, and returns 0 if we are
+    // outside the valid range
+    return list.value(idx);
+}
+
+QLayoutItem *CardLayout::takeAt(int idx)
+{
+    // QList::take does not do index checking
+    return idx >= 0 && idx < list.size() ? list.takeAt(idx) : 0;
+}
+//! [3]
+
+
+//! [4]
+void CardLayout::addItem(QLayoutItem *item)
+{
+    list.append(item);
+}
+//! [4]
+
+
+//! [5]
+CardLayout::~CardLayout()
+{
+     QLayoutItem *item;
+     while ((item = takeAt(0)))
+         delete item;
+}
+//! [5]
+
+
+//! [6]
+void CardLayout::setGeometry(const QRect &r)
+{
+    QLayout::setGeometry(r);
+
+    if (list.size() == 0)
+        return;
+
+    int w = r.width() - (list.count() - 1) * spacing();
+    int h = r.height() - (list.count() - 1) * spacing();
+    int i = 0;
+    while (i < list.size()) {
+        QLayoutItem *o = list.at(i);
+        QRect geom(r.x() + i * spacing(), r.y() + i * spacing(), w, h);
+        o->setGeometry(geom);
+        ++i;
+    }
+}
+//! [6]
+
+
+//! [7]
+QSize CardLayout::sizeHint() const
+{
+    QSize s(0,0);
+    int n = list.count();
+    if (n > 0)
+        s = QSize(100,70); //start with a nice default size
+    int i = 0;
+    while (i < n) {
+        QLayoutItem *o = list.at(i);
+        s = s.expandedTo(o->sizeHint());
+        ++i;
+    }
+    return s + n*QSize(spacing(), spacing());
+}
+
+QSize CardLayout::minimumSize() const
+{
+    QSize s(0,0);
+    int n = list.count();
+    int i = 0;
+    while (i < n) {
+        QLayoutItem *o = list.at(i);
+        s = s.expandedTo(o->minimumSize());
+        ++i;
+    }
+    return s + n*QSize(spacing(), spacing());
+}
+//! [7]