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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">remotecontrol.cpp Example File</h1> <span class="small-subtitle">help/remotecontrol/remotecontrol.cpp</span> <!-- $$$help/remotecontrol/remotecontrol.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include <QtCore/QDir></span> <span class="preprocessor">#include <QtCore/QProcess></span> <span class="preprocessor">#include <QtCore/QTextStream></span> <span class="preprocessor">#include <QtCore/QLibraryInfo></span> <span class="preprocessor">#include <QtGui/QMessageBox></span> <span class="preprocessor">#include "remotecontrol.h"</span> RemoteControl<span class="operator">::</span>RemoteControl(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WFlags flags) : <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent<span class="operator">,</span> flags) { ui<span class="operator">.</span>setupUi(<span class="keyword">this</span>); connect(ui<span class="operator">.</span>indexLineEdit<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(on_indexButton_clicked())); connect(ui<span class="operator">.</span>identifierLineEdit<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(on_identifierButton_clicked())); connect(ui<span class="operator">.</span>urlLineEdit<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(on_urlButton_clicked())); <span class="type"><a href="qstring.html">QString</a></span> rc; <span class="type"><a href="qtextstream.html">QTextStream</a></span>(<span class="operator">&</span>rc) <span class="operator"><</span><span class="operator"><</span> QLatin1String(<span class="string">"qthelp://com.trolltech.qt."</span>) <span class="operator"><</span><span class="operator"><</span> (QT_VERSION <span class="operator">></span><span class="operator">></span> <span class="number">16</span>) <span class="operator"><</span><span class="operator"><</span> ((QT_VERSION <span class="operator">></span><span class="operator">></span> <span class="number">8</span>) <span class="operator">&</span> <span class="number">0xFF</span>) <span class="operator"><</span><span class="operator"><</span> (QT_VERSION <span class="operator">&</span> <span class="number">0xFF</span>) <span class="operator"><</span><span class="operator"><</span> QLatin1String(<span class="string">"/qdoc/index.html"</span>); ui<span class="operator">.</span>startUrlLineEdit<span class="operator">-</span><span class="operator">></span>setText(rc); process <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qprocess.html">QProcess</a></span>(<span class="keyword">this</span>); connect(process<span class="operator">,</span> SIGNAL(finished(<span class="type">int</span><span class="operator">,</span><span class="type"><a href="qprocess.html">QProcess</a></span><span class="operator">::</span>ExitStatus))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(helpViewerClosed())); } RemoteControl<span class="operator">::</span><span class="operator">~</span>RemoteControl() { <span class="keyword">if</span> (process<span class="operator">-</span><span class="operator">></span>state() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qprocess.html">QProcess</a></span><span class="operator">::</span>Running) { process<span class="operator">-</span><span class="operator">></span>terminate(); process<span class="operator">-</span><span class="operator">></span>waitForFinished(<span class="number">3000</span>); } } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_actionQuit_triggered() { close(); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_launchButton_clicked() { <span class="keyword">if</span> (process<span class="operator">-</span><span class="operator">></span>state() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qprocess.html">QProcess</a></span><span class="operator">::</span>Running) <span class="keyword">return</span>; <span class="type"><a href="qstring.html">QString</a></span> app <span class="operator">=</span> <span class="type"><a href="qlibraryinfo.html">QLibraryInfo</a></span><span class="operator">::</span>location(<span class="type"><a href="qlibraryinfo.html">QLibraryInfo</a></span><span class="operator">::</span>BinariesPath) <span class="operator">+</span> <span class="type"><a href="qdir.html">QDir</a></span><span class="operator">::</span>separator(); <span class="preprocessor">#if !defined(Q_OS_MAC)</span> app <span class="operator">+</span><span class="operator">=</span> QLatin1String(<span class="string">"assistant"</span>); <span class="preprocessor">#else</span> app <span class="operator">+</span><span class="operator">=</span> QLatin1String(<span class="string">"Assistant.app/Contents/MacOS/Assistant"</span>); <span class="preprocessor">#endif</span> ui<span class="operator">.</span>contentsCheckBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); ui<span class="operator">.</span>indexCheckBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); ui<span class="operator">.</span>bookmarksCheckBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); <span class="type"><a href="qstringlist.html">QStringList</a></span> args; args <span class="operator"><</span><span class="operator"><</span> QLatin1String(<span class="string">"-enableRemoteControl"</span>); process<span class="operator">-</span><span class="operator">></span>start(app<span class="operator">,</span> args); <span class="keyword">if</span> (<span class="operator">!</span>process<span class="operator">-</span><span class="operator">></span>waitForStarted()) { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>critical(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Remote Control"</span>)<span class="operator">,</span> tr(<span class="string">"Could not start Qt Assistant from %1."</span>)<span class="operator">.</span>arg(app)); <span class="keyword">return</span>; } <span class="keyword">if</span> (<span class="operator">!</span>ui<span class="operator">.</span>startUrlLineEdit<span class="operator">-</span><span class="operator">></span>text()<span class="operator">.</span>isEmpty()) sendCommand(QLatin1String(<span class="string">"SetSource "</span>) <span class="operator">+</span> ui<span class="operator">.</span>startUrlLineEdit<span class="operator">-</span><span class="operator">></span>text()); ui<span class="operator">.</span>launchButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); ui<span class="operator">.</span>startUrlLineEdit<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); ui<span class="operator">.</span>actionGroupBox<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); } <span class="type">void</span> RemoteControl<span class="operator">::</span>sendCommand(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>cmd) { <span class="keyword">if</span> (process<span class="operator">-</span><span class="operator">></span>state() <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qprocess.html">QProcess</a></span><span class="operator">::</span>Running) <span class="keyword">return</span>; process<span class="operator">-</span><span class="operator">></span>write(cmd<span class="operator">.</span>toLocal8Bit() <span class="operator">+</span> <span class="char">'\n'</span>); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_indexButton_clicked() { sendCommand(QLatin1String(<span class="string">"ActivateKeyword "</span>) <span class="operator">+</span> ui<span class="operator">.</span>indexLineEdit<span class="operator">-</span><span class="operator">></span>text()); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_identifierButton_clicked() { sendCommand(QLatin1String(<span class="string">"ActivateIdentifier "</span>) <span class="operator">+</span> ui<span class="operator">.</span>identifierLineEdit<span class="operator">-</span><span class="operator">></span>text()); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_urlButton_clicked() { sendCommand(QLatin1String(<span class="string">"SetSource "</span>) <span class="operator">+</span> ui<span class="operator">.</span>urlLineEdit<span class="operator">-</span><span class="operator">></span>text()); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_syncContentsButton_clicked() { sendCommand(QLatin1String(<span class="string">"SyncContents"</span>)); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_contentsCheckBox_toggled(<span class="type">bool</span> checked) { sendCommand(checked <span class="operator">?</span> QLatin1String(<span class="string">"Show Contents"</span>) : QLatin1String(<span class="string">"Hide Contents"</span>)); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_indexCheckBox_toggled(<span class="type">bool</span> checked) { sendCommand(checked <span class="operator">?</span> QLatin1String(<span class="string">"Show Index"</span>) : QLatin1String(<span class="string">"Hide Index"</span>)); } <span class="type">void</span> RemoteControl<span class="operator">::</span>on_bookmarksCheckBox_toggled(<span class="type">bool</span> checked) { sendCommand(checked <span class="operator">?</span> QLatin1String(<span class="string">"Show Bookmarks"</span>) : QLatin1String(<span class="string">"Hide Bookmarks"</span>)); } <span class="type">void</span> RemoteControl<span class="operator">::</span>helpViewerClosed() { ui<span class="operator">.</span>launchButton<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); ui<span class="operator">.</span>startUrlLineEdit<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); ui<span class="operator">.</span>actionGroupBox<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); }</pre> </div> <!-- @@@help/remotecontrol/remotecontrol.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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