diff -r 000000000000 -r 1918ee327afb doc/src/diagrams/programs/mdiarea.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/diagrams/programs/mdiarea.py	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+#############################################################################
+##
+## 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 test suite 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.
+##
+##
+##
+##
+##
+##
+##
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import sys
+from PyQt4.QtCore import SIGNAL
+from PyQt4.QtGui import QApplication, QColor, QIcon, QLabel, QMdiArea, QPixmap, \
+                        QPushButton, QTableWidget, QTableWidgetItem, QTextEdit
+
+
+class Changer:
+
+    def __init__(self, mdiArea):
+    
+        self.mdiArea = mdiArea
+        self.state = 0
+    
+    def change(self):
+    
+        if self.state == 0:
+            self.mdiArea.cascadeSubWindows()
+            self.mdiArea.setWindowTitle("Cascade")
+        elif self.state == 1:
+            self.mdiArea.tileSubWindows()
+            self.mdiArea.setWindowTitle("Tile")
+        self.state = (self.state + 1) % 2
+
+
+if __name__ == "__main__":
+
+    app = QApplication(sys.argv)
+    pixmap = QPixmap(16, 16)
+    pixmap.fill(QColor(0, 0, 0, 0))
+    icon = QIcon(pixmap)
+    app.setWindowIcon(icon)
+    
+    mdiArea = QMdiArea()
+    
+    textEdit = QTextEdit()
+    textEdit.setPlainText("Qt Quarterly is a paper-based newsletter "
+                          "exclusively available to Qt customers. Every "
+                          "quarter we mail out an issue that we hope will "
+                          "bring added insight and pleasure to your Qt "
+                          "programming, with high-quality technical articles "
+                          "written by Qt experts.")
+    textWindow = mdiArea.addSubWindow(textEdit)
+    textWindow.setWindowTitle("A Text Editor")
+    
+    label = QLabel()
+    label.setPixmap(QPixmap("../../images/qt-logo.png"))
+    labelWindow = mdiArea.addSubWindow(label)
+    labelWindow.setWindowTitle("A Label")
+    
+    items = (("Henry", 23), ("Bill", 56), ("Susan", 19), ("Jane", 47))
+    table = QTableWidget(len(items), 2)
+    
+    for i in range(len(items)):
+        name, age = items[i]
+        item = QTableWidgetItem(name)
+        table.setItem(i, 0, item)
+        item = QTableWidgetItem(str(age))
+        table.setItem(i, 1, item)
+    
+    tableWindow = mdiArea.addSubWindow(table)
+    tableWindow.setWindowTitle("A Table Widget")
+    
+    mdiArea.show()
+    
+    changer = Changer(mdiArea)
+    button = QPushButton("Cascade")
+    button.connect(button, SIGNAL("clicked()"), changer.change)
+    button.show()
+    sys.exit(app.exec_())