<?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>dialog.cpp Example File | Qt Serial Port 5.12.2</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="qtserialport-index.html">Qt Serial Port</a></td><td ><a href="qtserialport-blockingmaster-example.html">Blocking Master Example</a></td><td >dialog.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtserialport-index.html">Qt 5.12.2 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">dialog.cpp Example File</h1> <span class="subtitle">blockingmaster/dialog.cpp</span> <!-- $$$blockingmaster/dialog.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com> ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtSerialPort 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 "dialog.h"</span> <span class="preprocessor">#include <QComboBox></span> <span class="preprocessor">#include <QGridLayout></span> <span class="preprocessor">#include <QLabel></span> <span class="preprocessor">#include <QLineEdit></span> <span class="preprocessor">#include <QPushButton></span> <span class="preprocessor">#include <QSerialPortInfo></span> <span class="preprocessor">#include <QSpinBox></span> Dialog<span class="operator">::</span>Dialog(<span class="type">QWidget</span> <span class="operator">*</span>parent) : <span class="type">QDialog</span>(parent)<span class="operator">,</span> m_serialPortLabel(<span class="keyword">new</span> <span class="type">QLabel</span>(tr(<span class="string">"Serial port:"</span>)))<span class="operator">,</span> m_serialPortComboBox(<span class="keyword">new</span> <span class="type">QComboBox</span>)<span class="operator">,</span> m_waitResponseLabel(<span class="keyword">new</span> <span class="type">QLabel</span>(tr(<span class="string">"Wait response, msec:"</span>)))<span class="operator">,</span> m_waitResponseSpinBox(<span class="keyword">new</span> <span class="type">QSpinBox</span>)<span class="operator">,</span> m_requestLabel(<span class="keyword">new</span> <span class="type">QLabel</span>(tr(<span class="string">"Request:"</span>)))<span class="operator">,</span> m_requestLineEdit(<span class="keyword">new</span> <span class="type">QLineEdit</span>(tr(<span class="string">"Who are you?"</span>)))<span class="operator">,</span> m_trafficLabel(<span class="keyword">new</span> <span class="type">QLabel</span>(tr(<span class="string">"No traffic."</span>)))<span class="operator">,</span> m_statusLabel(<span class="keyword">new</span> <span class="type">QLabel</span>(tr(<span class="string">"Status: Not running."</span>)))<span class="operator">,</span> m_runButton(<span class="keyword">new</span> <span class="type">QPushButton</span>(tr(<span class="string">"Start"</span>))) { <span class="keyword">const</span> <span class="keyword">auto</span> infos <span class="operator">=</span> <span class="type"><a href="qserialportinfo.html">QSerialPortInfo</a></span><span class="operator">::</span>availablePorts(); <span class="keyword">for</span> (<span class="keyword">const</span> <span class="type"><a href="qserialportinfo.html">QSerialPortInfo</a></span> <span class="operator">&</span>info : infos) m_serialPortComboBox<span class="operator">-</span><span class="operator">></span>addItem(info<span class="operator">.</span>portName()); m_waitResponseSpinBox<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">10000</span>); m_waitResponseSpinBox<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">1000</span>); <span class="keyword">auto</span> mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QGridLayout</span>; mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_serialPortLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_serialPortComboBox<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_waitResponseLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_waitResponseSpinBox<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_runButton<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_requestLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_requestLineEdit<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">3</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_trafficLabel<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">4</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(m_statusLabel<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">5</span>); setLayout(mainLayout); setWindowTitle(tr(<span class="string">"Blocking Master"</span>)); m_serialPortComboBox<span class="operator">-</span><span class="operator">></span>setFocus(); connect(m_runButton<span class="operator">,</span> <span class="operator">&</span><span class="type">QPushButton</span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>transaction); connect(<span class="operator">&</span>m_thread<span class="operator">,</span> <span class="operator">&</span>MasterThread<span class="operator">::</span>response<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>showResponse); connect(<span class="operator">&</span>m_thread<span class="operator">,</span> <span class="operator">&</span>MasterThread<span class="operator">::</span>error<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>processError); connect(<span class="operator">&</span>m_thread<span class="operator">,</span> <span class="operator">&</span>MasterThread<span class="operator">::</span>timeout<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>processTimeout); } <span class="type">void</span> Dialog<span class="operator">::</span>transaction() { setControlsEnabled(<span class="keyword">false</span>); m_statusLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Status: Running, connected to port %1."</span>) <span class="operator">.</span>arg(m_serialPortComboBox<span class="operator">-</span><span class="operator">></span>currentText())); m_thread<span class="operator">.</span>transaction(m_serialPortComboBox<span class="operator">-</span><span class="operator">></span>currentText()<span class="operator">,</span> m_waitResponseSpinBox<span class="operator">-</span><span class="operator">></span>value()<span class="operator">,</span> m_requestLineEdit<span class="operator">-</span><span class="operator">></span>text()); } <span class="type">void</span> Dialog<span class="operator">::</span>showResponse(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>s) { setControlsEnabled(<span class="keyword">true</span>); m_trafficLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Traffic, transaction #%1:"</span> <span class="string">"\n\r-request: %2"</span> <span class="string">"\n\r-response: %3"</span>) <span class="operator">.</span>arg(<span class="operator">+</span><span class="operator">+</span>m_transactionCount) <span class="operator">.</span>arg(m_requestLineEdit<span class="operator">-</span><span class="operator">></span>text()) <span class="operator">.</span>arg(s)); } <span class="type">void</span> Dialog<span class="operator">::</span>processError(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>s) { setControlsEnabled(<span class="keyword">true</span>); m_statusLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Status: Not running, %1."</span>)<span class="operator">.</span>arg(s)); m_trafficLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"No traffic."</span>)); } <span class="type">void</span> Dialog<span class="operator">::</span>processTimeout(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>s) { setControlsEnabled(<span class="keyword">true</span>); m_statusLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Status: Running, %1."</span>)<span class="operator">.</span>arg(s)); m_trafficLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"No traffic."</span>)); } <span class="type">void</span> Dialog<span class="operator">::</span>setControlsEnabled(bool enable) { m_runButton<span class="operator">-</span><span class="operator">></span>setEnabled(enable); m_serialPortComboBox<span class="operator">-</span><span class="operator">></span>setEnabled(enable); m_waitResponseSpinBox<span class="operator">-</span><span class="operator">></span>setEnabled(enable); m_requestLineEdit<span class="operator">-</span><span class="operator">></span>setEnabled(enable); } </pre> </div> <!-- @@@blockingmaster/dialog.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>