diff -r 000000000000 -r 1918ee327afb examples/script/context2d/window.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/script/context2d/window.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,181 @@
+/****************************************************************************
+**
+** 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 "window.h"
+#include "environment.h"
+#include "context2d.h"
+#include "qcontext2dcanvas.h"
+#include <QHBoxLayout>
+#include <QListWidget>
+#include <QDir>
+#include <QMessageBox>
+
+#ifndef QT_NO_SCRIPTTOOLS
+#include <QAction>
+#include <QApplication>
+#include <QMainWindow>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <QScriptEngineDebugger>
+#endif
+
+static QString scriptsDir()
+{
+    if (QFile::exists("./scripts"))
+        return "./scripts";
+    return ":/scripts";
+}
+
+//! [0]
+Window::Window(QWidget *parent)
+    : QWidget(parent)
+#ifndef QT_NO_SCRIPTTOOLS
+      , m_debugger(0), m_debugWindow(0)
+#endif
+{
+    m_env = new Environment(this);
+    QObject::connect(m_env, SIGNAL(scriptError(QScriptValue)),
+                     this, SLOT(reportScriptError(QScriptValue)));
+
+    Context2D *context = new Context2D(this);
+    context->setSize(150, 150);
+    m_canvas = new QContext2DCanvas(context, m_env, this);
+    m_canvas->setFixedSize(context->size());
+    m_canvas->setObjectName("tutorial");
+    m_env->addCanvas(m_canvas);
+//! [0]
+
+#ifndef QT_NO_SCRIPTTOOLS
+    QVBoxLayout *vbox = new QVBoxLayout();
+    vbox->addWidget(m_canvas);
+    m_debugButton = new QPushButton(tr("Run in Debugger"));
+    connect(m_debugButton, SIGNAL(clicked()), this, SLOT(runInDebugger()));
+    vbox->addWidget(m_debugButton);
+#endif
+
+    QHBoxLayout *hbox = new QHBoxLayout(this);
+    m_view = new QListWidget(this);
+    m_view->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    hbox->addWidget(m_view);
+#ifndef QT_NO_SCRIPTTOOLS
+    hbox->addLayout(vbox);
+#else
+    hbox->addWidget(m_canvas);
+#endif
+
+//! [1]
+    QDir dir(scriptsDir());
+    QFileInfoList entries = dir.entryInfoList(QStringList() << "*.js");
+    for (int i = 0; i < entries.size(); ++i)
+        m_view->addItem(entries.at(i).fileName());
+    connect(m_view, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
+            this, SLOT(selectScript(QListWidgetItem*)));
+//! [1]
+
+    setWindowTitle(tr("Context 2D"));
+}
+
+//! [2]
+void Window::selectScript(QListWidgetItem *item)
+{
+    QString fileName = item->text();
+    runScript(fileName, /*debug=*/false);
+}
+//! [2]
+
+void Window::reportScriptError(const QScriptValue &error)
+{
+    QMessageBox::warning(this, tr("Context 2D"), tr("Line %0: %1")
+                         .arg(error.property("lineNumber").toInt32())
+                         .arg(error.toString()));
+}
+
+#ifndef QT_NO_SCRIPTTOOLS
+//! [3]
+void Window::runInDebugger()
+{
+    QListWidgetItem *item = m_view->currentItem();
+    if (item) {
+        QString fileName = item->text();
+        runScript(fileName, /*debug=*/true);
+    }
+}
+//! [3]
+#endif
+
+//! [4]
+void Window::runScript(const QString &fileName, bool debug)
+{
+    QFile file(scriptsDir() + "/" + fileName);
+    file.open(QIODevice::ReadOnly);
+    QString contents = file.readAll();
+    file.close();
+    m_env->reset();
+
+#ifndef QT_NO_SCRIPTTOOLS
+    if (debug) {
+        if (!m_debugger) {
+            m_debugger = new QScriptEngineDebugger(this);
+            m_debugWindow = m_debugger->standardWindow();
+            m_debugWindow->setWindowModality(Qt::ApplicationModal);
+            m_debugWindow->resize(1280, 704);
+        }
+        m_debugger->attachTo(m_env->engine());
+        m_debugger->action(QScriptEngineDebugger::InterruptAction)->trigger();
+    } else {
+        if (m_debugger)
+            m_debugger->detach();
+    }
+#else
+    Q_UNUSED(debug);
+#endif
+
+    QScriptValue ret = m_env->evaluate(contents, fileName);
+
+#ifndef QT_NO_SCRIPTTOOLS
+    if (m_debugWindow)
+        m_debugWindow->hide();
+#endif
+
+    if (ret.isError())
+        reportScriptError(ret);
+}
+//! [4]