--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/layouts/borderlayout/borderlayout.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,214 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "borderlayout.h"
+
+BorderLayout::BorderLayout(QWidget *parent, int margin, int spacing)
+    : QLayout(parent)
+{
+    setMargin(margin);
+    setSpacing(spacing);
+}
+
+BorderLayout::BorderLayout(int spacing)
+{
+    setSpacing(spacing);
+}
+
+
+BorderLayout::~BorderLayout()
+{
+    QLayoutItem *l;
+    while ((l = takeAt(0)))
+        delete l;
+}
+
+void BorderLayout::addItem(QLayoutItem *item)
+{
+    add(item, West);
+}
+
+void BorderLayout::addWidget(QWidget *widget, Position position)
+{
+    add(new QWidgetItem(widget), position);
+}
+
+Qt::Orientations BorderLayout::expandingDirections() const
+{
+    return Qt::Horizontal | Qt::Vertical;
+}
+
+bool BorderLayout::hasHeightForWidth() const
+{
+    return false;
+}
+
+int BorderLayout::count() const
+{
+    return list.size();
+}
+
+QLayoutItem *BorderLayout::itemAt(int index) const
+{
+    ItemWrapper *wrapper = list.value(index);
+    if (wrapper)
+        return wrapper->item;
+    else
+        return 0;
+}
+
+QSize BorderLayout::minimumSize() const
+{
+    return calculateSize(MinimumSize);
+}
+
+void BorderLayout::setGeometry(const QRect &rect)
+{
+    ItemWrapper *center = 0;
+    int eastWidth = 0;
+    int westWidth = 0;
+    int northHeight = 0;
+    int southHeight = 0;
+    int centerHeight = 0;
+    int i;
+
+    QLayout::setGeometry(rect);
+
+    for (i = 0; i < list.size(); ++i) {
+        ItemWrapper *wrapper = list.at(i);
+        QLayoutItem *item = wrapper->item;
+        Position position = wrapper->position;
+
+        if (position == North) {
+            item->setGeometry(QRect(rect.x(), northHeight, rect.width(),
+                                    item->sizeHint().height()));
+
+            northHeight += item->geometry().height() + spacing();
+        } else if (position == South) {
+            item->setGeometry(QRect(item->geometry().x(),
+                                    item->geometry().y(), rect.width(),
+                                    item->sizeHint().height()));
+
+            southHeight += item->geometry().height() + spacing();
+
+            item->setGeometry(QRect(rect.x(),
+                              rect.y() + rect.height() - southHeight + spacing(),
+                              item->geometry().width(),
+                              item->geometry().height()));
+        } else if (position == Center) {
+            center = wrapper;
+        }
+    }
+
+    centerHeight = rect.height() - northHeight - southHeight;
+
+    for (i = 0; i < list.size(); ++i) {
+        ItemWrapper *wrapper = list.at(i);
+        QLayoutItem *item = wrapper->item;
+        Position position = wrapper->position;
+
+        if (position == West) {
+            item->setGeometry(QRect(rect.x() + westWidth, northHeight,
+                                    item->sizeHint().width(), centerHeight));
+
+            westWidth += item->geometry().width() + spacing();
+        } else if (position == East) {
+            item->setGeometry(QRect(item->geometry().x(), item->geometry().y(),
+                                    item->sizeHint().width(), centerHeight));
+
+            eastWidth += item->geometry().width() + spacing();
+
+            item->setGeometry(QRect(
+                              rect.x() + rect.width() - eastWidth + spacing(),
+                              northHeight, item->geometry().width(),
+                              item->geometry().height()));
+        }
+    }
+
+    if (center)
+        center->item->setGeometry(QRect(westWidth, northHeight,
+                                        rect.width() - eastWidth - westWidth,
+                                        centerHeight));
+}
+
+QSize BorderLayout::sizeHint() const
+{
+    return calculateSize(SizeHint);
+}
+
+QLayoutItem *BorderLayout::takeAt(int index)
+{
+    if (index >= 0 && index < list.size()) {
+        ItemWrapper *layoutStruct = list.takeAt(index);
+        return layoutStruct->item;
+    }
+    return 0;
+}
+
+void BorderLayout::add(QLayoutItem *item, Position position)
+{
+    list.append(new ItemWrapper(item, position));
+}
+
+QSize BorderLayout::calculateSize(SizeType sizeType) const
+{
+    QSize totalSize;
+
+    for (int i = 0; i < list.size(); ++i) {
+        ItemWrapper *wrapper = list.at(i);
+        Position position = wrapper->position;
+        QSize itemSize;
+
+        if (sizeType == MinimumSize)
+            itemSize = wrapper->item->minimumSize();
+        else // (sizeType == SizeHint)
+            itemSize = wrapper->item->sizeHint();
+
+        if (position == North || position == South || position == Center)
+            totalSize.rheight() += itemSize.height();
+
+        if (position == West || position == East || position == Center)
+            totalSize.rwidth() += itemSize.width();
+    }
+    return totalSize;
+}