<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>remoteselector.cpp Example File | Qt Bluetooth 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtbluetooth-index.html">Qt Bluetooth</a></td><td ><a href="qtbluetooth-btchat-example.html">Bluetooth Chat Example</a></td><td >remoteselector.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtbluetooth-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">remoteselector.cpp Example File</h1> <span class="subtitle">btchat/remoteselector.cpp</span> <!-- $$$btchat/remoteselector.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtBluetooth module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 "remoteselector.h"</span> <span class="preprocessor">#include "ui_remoteselector.h"</span> <span class="preprocessor">#include <QtBluetooth/qbluetoothlocaldevice.h></span> <span class="preprocessor">#include <QtBluetooth/qbluetoothservicediscoveryagent.h></span> QT_USE_NAMESPACE RemoteSelector<span class="operator">::</span>RemoteSelector(<span class="keyword">const</span> <span class="type"><a href="qbluetoothaddress.html">QBluetoothAddress</a></span> <span class="operator">&</span>localAdapter<span class="operator">,</span> <span class="type">QWidget</span> <span class="operator">*</span>parent) : <span class="type">QDialog</span>(parent)<span class="operator">,</span> ui(<span class="keyword">new</span> Ui<span class="operator">::</span>RemoteSelector) { ui<span class="operator">-</span><span class="operator">></span>setupUi(<span class="keyword">this</span>); m_discoveryAgent <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qbluetoothservicediscoveryagent.html">QBluetoothServiceDiscoveryAgent</a></span>(localAdapter); connect(m_discoveryAgent<span class="operator">,</span> SIGNAL(serviceDiscovered(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(serviceDiscovered(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span>))); connect(m_discoveryAgent<span class="operator">,</span> SIGNAL(finished())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(discoveryFinished())); connect(m_discoveryAgent<span class="operator">,</span> SIGNAL(canceled())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(discoveryFinished())); } RemoteSelector<span class="operator">::</span><span class="operator">~</span>RemoteSelector() { <span class="keyword">delete</span> ui; <span class="keyword">delete</span> m_discoveryAgent; } <span class="type">void</span> RemoteSelector<span class="operator">::</span>startDiscovery(<span class="keyword">const</span> <span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span> <span class="operator">&</span>uuid) { ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Scanning..."</span>)); <span class="keyword">if</span> (m_discoveryAgent<span class="operator">-</span><span class="operator">></span>isActive()) m_discoveryAgent<span class="operator">-</span><span class="operator">></span>stop(); ui<span class="operator">-</span><span class="operator">></span>remoteDevices<span class="operator">-</span><span class="operator">></span>clear(); m_discoveryAgent<span class="operator">-</span><span class="operator">></span>setUuidFilter(uuid); m_discoveryAgent<span class="operator">-</span><span class="operator">></span>start(<span class="type"><a href="qbluetoothservicediscoveryagent.html">QBluetoothServiceDiscoveryAgent</a></span><span class="operator">::</span>FullDiscovery); } <span class="type">void</span> RemoteSelector<span class="operator">::</span>stopDiscovery() { <span class="keyword">if</span> (m_discoveryAgent){ m_discoveryAgent<span class="operator">-</span><span class="operator">></span>stop(); } } <span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span> RemoteSelector<span class="operator">::</span>service() <span class="keyword">const</span> { <span class="keyword">return</span> m_service; } <span class="type">void</span> RemoteSelector<span class="operator">::</span>serviceDiscovered(<span class="keyword">const</span> <span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span> <span class="operator">&</span>serviceInfo) { <span class="preprocessor">#if 0</span> qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Discovered service on"</span> <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>device()<span class="operator">.</span>name() <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>device()<span class="operator">.</span>address()<span class="operator">.</span>toString(); qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"\tService name:"</span> <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>serviceName(); qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"\tDescription:"</span> <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>attribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ServiceDescription)<span class="operator">.</span>toString(); qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"\tProvider:"</span> <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>attribute(<span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">::</span>ServiceProvider)<span class="operator">.</span>toString(); qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"\tL2CAP protocol service multiplexer:"</span> <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>protocolServiceMultiplexer(); qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"\tRFCOMM server channel:"</span> <span class="operator"><</span><span class="operator"><</span> serviceInfo<span class="operator">.</span>serverChannel(); <span class="preprocessor">#endif</span> <span class="type">QMapIterator</span><span class="operator"><</span><span class="type">QListWidgetItem</span> <span class="operator">*</span><span class="operator">,</span> <span class="type"><a href="qbluetoothserviceinfo.html">QBluetoothServiceInfo</a></span><span class="operator">></span> i(m_discoveredServices); <span class="keyword">while</span> (i<span class="operator">.</span>hasNext()){ i<span class="operator">.</span>next(); <span class="keyword">if</span> (serviceInfo<span class="operator">.</span>device()<span class="operator">.</span>address() <span class="operator">=</span><span class="operator">=</span> i<span class="operator">.</span>value()<span class="operator">.</span>device()<span class="operator">.</span>address()){ <span class="keyword">return</span>; } } <span class="type">QString</span> remoteName; <span class="keyword">if</span> (serviceInfo<span class="operator">.</span>device()<span class="operator">.</span>name()<span class="operator">.</span>isEmpty()) remoteName <span class="operator">=</span> serviceInfo<span class="operator">.</span>device()<span class="operator">.</span>address()<span class="operator">.</span>toString(); <span class="keyword">else</span> remoteName <span class="operator">=</span> serviceInfo<span class="operator">.</span>device()<span class="operator">.</span>name(); <span class="type">QListWidgetItem</span> <span class="operator">*</span>item <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QListWidgetItem</span>(<span class="type">QString</span><span class="operator">::</span>fromLatin1(<span class="string">"%1 %2"</span>)<span class="operator">.</span>arg(remoteName<span class="operator">,</span> serviceInfo<span class="operator">.</span>serviceName())); m_discoveredServices<span class="operator">.</span>insert(item<span class="operator">,</span> serviceInfo); ui<span class="operator">-</span><span class="operator">></span>remoteDevices<span class="operator">-</span><span class="operator">></span>addItem(item); } <span class="type">void</span> RemoteSelector<span class="operator">::</span>discoveryFinished() { ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Select the chat service to connect to."</span>)); } <span class="type">void</span> RemoteSelector<span class="operator">::</span>on_remoteDevices_itemActivated(<span class="type">QListWidgetItem</span> <span class="operator">*</span>item) { qDebug() <span class="operator"><</span><span class="operator"><</span> <span class="string">"got click"</span> <span class="operator"><</span><span class="operator"><</span> item<span class="operator">-</span><span class="operator">></span>text(); m_service <span class="operator">=</span> m_discoveredServices<span class="operator">.</span>value(item); <span class="keyword">if</span> (m_discoveryAgent<span class="operator">-</span><span class="operator">></span>isActive()) m_discoveryAgent<span class="operator">-</span><span class="operator">></span>stop(); accept(); } <span class="type">void</span> RemoteSelector<span class="operator">::</span>on_cancelButton_clicked() { reject(); } </pre> </div> <!-- @@@btchat/remoteselector.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>