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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the examples of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QtCore/QDir>

    43 #include <QtCore/QProcess>

    44 #include <QtCore/QTextStream>

    45 #include <QtCore/QLibraryInfo>

    46 

    47 #include <QtGui/QMessageBox>

    48 

    49 #include "remotecontrol.h"

    50 

    51 RemoteControl::RemoteControl(QWidget *parent, Qt::WFlags flags)

    52         : QMainWindow(parent, flags)

    53 {

    54     ui.setupUi(this);

    55     connect(ui.indexLineEdit, SIGNAL(returnPressed()),

    56         this, SLOT(on_indexButton_clicked()));

    57     connect(ui.identifierLineEdit, SIGNAL(returnPressed()),

    58         this, SLOT(on_identifierButton_clicked()));

    59     connect(ui.urlLineEdit, SIGNAL(returnPressed()),

    60         this, SLOT(on_urlButton_clicked()));

    61 

    62     QString rc;

    63     QTextStream(&rc) << QLatin1String("qthelp://com.trolltech.qt.")

    64                      << (QT_VERSION >> 16) << ((QT_VERSION >> 8) & 0xFF)

    65                      << (QT_VERSION & 0xFF)

    66                      << QLatin1String("/qdoc/index.html");

    67 

    68     ui.startUrlLineEdit->setText(rc);

    69 

    70     process = new QProcess(this);

    71     connect(process, SIGNAL(finished(int, QProcess::ExitStatus)),

    72         this, SLOT(helpViewerClosed()));

    73 }

    74 

    75 RemoteControl::~RemoteControl()

    76 {

    77     if (process->state() == QProcess::Running) {

    78         process->terminate();

    79         process->waitForFinished(3000);

    80     }

    81 }

    82 

    83 void RemoteControl::on_actionQuit_triggered()

    84 {

    85     close();

    86 }

    87 

    88 void RemoteControl::on_launchButton_clicked()

    89 {

    90     if (process->state() == QProcess::Running)

    91         return;

    92 

    93     QString app = QLibraryInfo::location(QLibraryInfo::BinariesPath) + QDir::separator();

    94 #if !defined(Q_OS_MAC)

    95     app += QLatin1String("assistant");

    96 #else

    97     app += QLatin1String("Assistant.app/Contents/MacOS/Assistant");

    98 #endif

    99 

   100     ui.contentsCheckBox->setChecked(true);

   101     ui.indexCheckBox->setChecked(true);

   102     ui.bookmarksCheckBox->setChecked(true);

   103 

   104     QStringList args;

   105     args << QLatin1String("-enableRemoteControl");

   106     process->start(app, args);

   107     if (!process->waitForStarted()) {

   108         QMessageBox::critical(this, tr("Remote Control"),

   109             tr("Could not start Qt Assistant from %1.").arg(app));

   110         return;

   111     }

   112 

   113     if (!ui.startUrlLineEdit->text().isEmpty())

   114         sendCommand(QLatin1String("SetSource ")

   115             + ui.startUrlLineEdit->text());

   116         

   117     ui.launchButton->setEnabled(false);

   118     ui.startUrlLineEdit->setEnabled(false);

   119     ui.actionGroupBox->setEnabled(true);

   120 }

   121 

   122 void RemoteControl::sendCommand(const QString &cmd)

   123 {

   124     if (process->state() != QProcess::Running)

   125         return;

   126     process->write(cmd.toLocal8Bit() + '\0');

   127 }

   128 

   129 void RemoteControl::on_indexButton_clicked()

   130 {

   131     sendCommand(QLatin1String("ActivateKeyword ")

   132         + ui.indexLineEdit->text());

   133 }

   134 

   135 void RemoteControl::on_identifierButton_clicked()

   136 {

   137     sendCommand(QLatin1String("ActivateIdentifier ")

   138         + ui.identifierLineEdit->text());

   139 }

   140 

   141 void RemoteControl::on_urlButton_clicked()

   142 {

   143     sendCommand(QLatin1String("SetSource ")

   144         + ui.urlLineEdit->text());

   145 }

   146 

   147 void RemoteControl::on_syncContentsButton_clicked()

   148 {

   149     sendCommand(QLatin1String("SyncContents"));

   150 }

   151 

   152 void RemoteControl::on_contentsCheckBox_toggled(bool checked)

   153 {

   154     sendCommand(checked ?

   155         QLatin1String("Show Contents") : QLatin1String("Hide Contents"));

   156 }

   157 

   158 void RemoteControl::on_indexCheckBox_toggled(bool checked)

   159 {

   160     sendCommand(checked ?

   161         QLatin1String("Show Index") : QLatin1String("Hide Index"));

   162 }

   163 

   164 void RemoteControl::on_bookmarksCheckBox_toggled(bool checked)

   165 {

   166     sendCommand(checked ?

   167         QLatin1String("Show Bookmarks") : QLatin1String("Hide Bookmarks"));

   168 }

   169 

   170 void RemoteControl::helpViewerClosed()

   171 {

   172     ui.launchButton->setEnabled(true);

   173     ui.startUrlLineEdit->setEnabled(true);

   174     ui.actionGroupBox->setEnabled(false);

   175 }