--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/help/remotecontrol/remotecontrol.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,175 @@
+/****************************************************************************
+**
+** 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 <QtCore/QDir>
+#include <QtCore/QProcess>
+#include <QtCore/QTextStream>
+#include <QtCore/QLibraryInfo>
+
+#include <QtGui/QMessageBox>
+
+#include "remotecontrol.h"
+
+RemoteControl::RemoteControl(QWidget *parent, Qt::WFlags flags)
+        : QMainWindow(parent, flags)
+{
+    ui.setupUi(this);
+    connect(ui.indexLineEdit, SIGNAL(returnPressed()),
+        this, SLOT(on_indexButton_clicked()));
+    connect(ui.identifierLineEdit, SIGNAL(returnPressed()),
+        this, SLOT(on_identifierButton_clicked()));
+    connect(ui.urlLineEdit, SIGNAL(returnPressed()),
+        this, SLOT(on_urlButton_clicked()));
+
+    QString rc;
+    QTextStream(&rc) << QLatin1String("qthelp://com.trolltech.qt.")
+                     << (QT_VERSION >> 16) << ((QT_VERSION >> 8) & 0xFF)
+                     << (QT_VERSION & 0xFF)
+                     << QLatin1String("/qdoc/index.html");
+
+    ui.startUrlLineEdit->setText(rc);
+
+    process = new QProcess(this);
+    connect(process, SIGNAL(finished(int, QProcess::ExitStatus)),
+        this, SLOT(helpViewerClosed()));
+}
+
+RemoteControl::~RemoteControl()
+{
+    if (process->state() == QProcess::Running) {
+        process->terminate();
+        process->waitForFinished(3000);
+    }
+}
+
+void RemoteControl::on_actionQuit_triggered()
+{
+    close();
+}
+
+void RemoteControl::on_launchButton_clicked()
+{
+    if (process->state() == QProcess::Running)
+        return;
+
+    QString app = QLibraryInfo::location(QLibraryInfo::BinariesPath) + QDir::separator();
+#if !defined(Q_OS_MAC)
+    app += QLatin1String("assistant");
+#else
+    app += QLatin1String("Assistant.app/Contents/MacOS/Assistant");
+#endif
+
+    ui.contentsCheckBox->setChecked(true);
+    ui.indexCheckBox->setChecked(true);
+    ui.bookmarksCheckBox->setChecked(true);
+
+    QStringList args;
+    args << QLatin1String("-enableRemoteControl");
+    process->start(app, args);
+    if (!process->waitForStarted()) {
+        QMessageBox::critical(this, tr("Remote Control"),
+            tr("Could not start Qt Assistant from %1.").arg(app));
+        return;
+    }
+
+    if (!ui.startUrlLineEdit->text().isEmpty())
+        sendCommand(QLatin1String("SetSource ")
+            + ui.startUrlLineEdit->text());
+        
+    ui.launchButton->setEnabled(false);
+    ui.startUrlLineEdit->setEnabled(false);
+    ui.actionGroupBox->setEnabled(true);
+}
+
+void RemoteControl::sendCommand(const QString &cmd)
+{
+    if (process->state() != QProcess::Running)
+        return;
+    process->write(cmd.toLocal8Bit() + '\0');
+}
+
+void RemoteControl::on_indexButton_clicked()
+{
+    sendCommand(QLatin1String("ActivateKeyword ")
+        + ui.indexLineEdit->text());
+}
+
+void RemoteControl::on_identifierButton_clicked()
+{
+    sendCommand(QLatin1String("ActivateIdentifier ")
+        + ui.identifierLineEdit->text());
+}
+
+void RemoteControl::on_urlButton_clicked()
+{
+    sendCommand(QLatin1String("SetSource ")
+        + ui.urlLineEdit->text());
+}
+
+void RemoteControl::on_syncContentsButton_clicked()
+{
+    sendCommand(QLatin1String("SyncContents"));
+}
+
+void RemoteControl::on_contentsCheckBox_toggled(bool checked)
+{
+    sendCommand(checked ?
+        QLatin1String("Show Contents") : QLatin1String("Hide Contents"));
+}
+
+void RemoteControl::on_indexCheckBox_toggled(bool checked)
+{
+    sendCommand(checked ?
+        QLatin1String("Show Index") : QLatin1String("Hide Index"));
+}
+
+void RemoteControl::on_bookmarksCheckBox_toggled(bool checked)
+{
+    sendCommand(checked ?
+        QLatin1String("Show Bookmarks") : QLatin1String("Hide Bookmarks"));
+}
+
+void RemoteControl::helpViewerClosed()
+{
+    ui.launchButton->setEnabled(true);
+    ui.startUrlLineEdit->setEnabled(true);
+    ui.actionGroupBox->setEnabled(false);
+}