<?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>mainwindow.cpp Example File | Qt Speech 5.9</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 5.9</td><td ><a href="qtspeech-index.html">Qt Speech</a></td><td ><a href="qtspeech-hello-speak-example.html">Hello Speak Example</a></td><td >mainwindow.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</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">mainwindow.cpp Example File</h1> <span class="subtitle">hello_speak/mainwindow.cpp</span> <!-- $$$hello_speak/mainwindow.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 examples 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 "mainwindow.h"</span> <span class="preprocessor">#include <QLoggingCategory></span> MainWindow<span class="operator">::</span>MainWindow(<span class="type">QWidget</span> <span class="operator">*</span>parent) : <span class="type">QMainWindow</span>(parent)<span class="operator">,</span> m_speech(<span class="number">0</span>) { ui<span class="operator">.</span>setupUi(<span class="keyword">this</span>); <span class="type">QLoggingCategory</span><span class="operator">::</span>setFilterRules(<span class="type">QStringLiteral</span>(<span class="string">"qt.speech.tts=true \n qt.speech.tts.*=true"</span>)); <span class="comment">// Populate engine selection list</span> ui<span class="operator">.</span>engine<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"Default"</span><span class="operator">,</span> <span class="type">QString</span>(<span class="string">"default"</span>)); foreach (<span class="type">QString</span> engine<span class="operator">,</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>availableEngines()) ui<span class="operator">.</span>engine<span class="operator">-</span><span class="operator">></span>addItem(engine<span class="operator">,</span> engine); ui<span class="operator">.</span>engine<span class="operator">-</span><span class="operator">></span>setCurrentIndex(<span class="number">0</span>); engineSelected(<span class="number">0</span>); connect(ui<span class="operator">.</span>speakButton<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>MainWindow<span class="operator">::</span>speak); connect(ui<span class="operator">.</span>pitch<span class="operator">,</span> <span class="operator">&</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setPitch); connect(ui<span class="operator">.</span>rate<span class="operator">,</span> <span class="operator">&</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setRate); connect(ui<span class="operator">.</span>volume<span class="operator">,</span> <span class="operator">&</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>setVolume); connect(ui<span class="operator">.</span>engine<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">void</span> (<span class="type">QComboBox</span><span class="operator">::</span><span class="operator">*</span>)(<span class="type">int</span>)<span class="operator">></span>(<span class="operator">&</span><span class="type">QComboBox</span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>engineSelected); } <span class="type">void</span> MainWindow<span class="operator">::</span>speak() { m_speech<span class="operator">-</span><span class="operator">></span>say(ui<span class="operator">.</span>plainTextEdit<span class="operator">-</span><span class="operator">></span>toPlainText()); } <span class="type">void</span> MainWindow<span class="operator">::</span>stop() { m_speech<span class="operator">-</span><span class="operator">></span>stop(); } <span class="type">void</span> MainWindow<span class="operator">::</span>setRate(<span class="type">int</span> rate) { m_speech<span class="operator">-</span><span class="operator">></span>setRate(rate <span class="operator">/</span> <span class="number">10.0</span>); } <span class="type">void</span> MainWindow<span class="operator">::</span>setPitch(<span class="type">int</span> pitch) { m_speech<span class="operator">-</span><span class="operator">></span>setPitch(pitch <span class="operator">/</span> <span class="number">10.0</span>); } <span class="type">void</span> MainWindow<span class="operator">::</span>setVolume(<span class="type">int</span> volume) { m_speech<span class="operator">-</span><span class="operator">></span>setVolume(volume <span class="operator">/</span> <span class="number">100.0</span>); } <span class="type">void</span> MainWindow<span class="operator">::</span>stateChanged(<span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>State state) { <span class="keyword">if</span> (state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Speaking) { ui<span class="operator">.</span>statusbar<span class="operator">-</span><span class="operator">></span>showMessage(<span class="string">"Speech started..."</span>); } <span class="keyword">else</span> <span class="keyword">if</span> (state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Ready) ui<span class="operator">.</span>statusbar<span class="operator">-</span><span class="operator">></span>showMessage(<span class="string">"Speech stopped..."</span><span class="operator">,</span> <span class="number">2000</span>); <span class="keyword">else</span> <span class="keyword">if</span> (state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Paused) ui<span class="operator">.</span>statusbar<span class="operator">-</span><span class="operator">></span>showMessage(<span class="string">"Speech paused..."</span>); <span class="keyword">else</span> ui<span class="operator">.</span>statusbar<span class="operator">-</span><span class="operator">></span>showMessage(<span class="string">"Speech error!"</span>); ui<span class="operator">.</span>pauseButton<span class="operator">-</span><span class="operator">></span>setEnabled(state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Speaking); ui<span class="operator">.</span>resumeButton<span class="operator">-</span><span class="operator">></span>setEnabled(state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Paused); ui<span class="operator">.</span>stopButton<span class="operator">-</span><span class="operator">></span>setEnabled(state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Speaking <span class="operator">|</span><span class="operator">|</span> state <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>Paused); } <span class="type">void</span> MainWindow<span class="operator">::</span>engineSelected(<span class="type">int</span> index) { <span class="type">QString</span> engineName <span class="operator">=</span> ui<span class="operator">.</span>engine<span class="operator">-</span><span class="operator">></span>itemData(index)<span class="operator">.</span>toString(); <span class="keyword">delete</span> m_speech; <span class="keyword">if</span> (engineName <span class="operator">=</span><span class="operator">=</span> <span class="string">"default"</span>) m_speech <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span>(<span class="keyword">this</span>); <span class="keyword">else</span> m_speech <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span>(engineName<span class="operator">,</span> <span class="keyword">this</span>); disconnect(ui<span class="operator">.</span>language<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">void</span> (<span class="type">QComboBox</span><span class="operator">::</span><span class="operator">*</span>)(<span class="type">int</span>)<span class="operator">></span>(<span class="operator">&</span><span class="type">QComboBox</span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>languageSelected); ui<span class="operator">.</span>language<span class="operator">-</span><span class="operator">></span>clear(); <span class="comment">// Populate the languages combobox before connecting its signal.</span> <span class="type">QVector</span><span class="operator"><</span><span class="type">QLocale</span><span class="operator">></span> locales <span class="operator">=</span> m_speech<span class="operator">-</span><span class="operator">></span>availableLocales(); <span class="type">QLocale</span> current <span class="operator">=</span> m_speech<span class="operator">-</span><span class="operator">></span>locale(); foreach (<span class="keyword">const</span> <span class="type">QLocale</span> <span class="operator">&</span>locale<span class="operator">,</span> locales) { <span class="type">QString</span> name(<span class="type">QString</span>(<span class="string">"%1 (%2)"</span>) <span class="operator">.</span>arg(<span class="type">QLocale</span><span class="operator">::</span>languageToString(locale<span class="operator">.</span>language())) <span class="operator">.</span>arg(<span class="type">QLocale</span><span class="operator">::</span>countryToString(locale<span class="operator">.</span>country()))); <span class="type">QVariant</span> localeVariant(locale); ui<span class="operator">.</span>language<span class="operator">-</span><span class="operator">></span>addItem(name<span class="operator">,</span> localeVariant); <span class="keyword">if</span> (locale<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> current<span class="operator">.</span>name()) current <span class="operator">=</span> locale; } setRate(ui<span class="operator">.</span>rate<span class="operator">-</span><span class="operator">></span>value()); setPitch(ui<span class="operator">.</span>pitch<span class="operator">-</span><span class="operator">></span>value()); setVolume(ui<span class="operator">.</span>volume<span class="operator">-</span><span class="operator">></span>value()); connect(ui<span class="operator">.</span>stopButton<span class="operator">,</span> <span class="operator">&</span><span class="type">QPushButton</span><span class="operator">::</span>clicked<span class="operator">,</span> m_speech<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>stop); connect(ui<span class="operator">.</span>pauseButton<span class="operator">,</span> <span class="operator">&</span><span class="type">QPushButton</span><span class="operator">::</span>clicked<span class="operator">,</span> m_speech<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>pause); connect(ui<span class="operator">.</span>resumeButton<span class="operator">,</span> <span class="operator">&</span><span class="type">QPushButton</span><span class="operator">::</span>clicked<span class="operator">,</span> m_speech<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>resume); connect(m_speech<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>stateChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>stateChanged); connect(m_speech<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtexttospeech.html">QTextToSpeech</a></span><span class="operator">::</span>localeChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>localeChanged); connect(ui<span class="operator">.</span>language<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">void</span> (<span class="type">QComboBox</span><span class="operator">::</span><span class="operator">*</span>)(<span class="type">int</span>)<span class="operator">></span>(<span class="operator">&</span><span class="type">QComboBox</span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>languageSelected); localeChanged(current); } <span class="type">void</span> MainWindow<span class="operator">::</span>languageSelected(<span class="type">int</span> language) { <span class="type">QLocale</span> locale <span class="operator">=</span> ui<span class="operator">.</span>language<span class="operator">-</span><span class="operator">></span>itemData(language)<span class="operator">.</span>toLocale(); m_speech<span class="operator">-</span><span class="operator">></span>setLocale(locale); } <span class="type">void</span> MainWindow<span class="operator">::</span>voiceSelected(<span class="type">int</span> index) { m_speech<span class="operator">-</span><span class="operator">></span>setVoice(m_voices<span class="operator">.</span>at(index)); } <span class="type">void</span> MainWindow<span class="operator">::</span>localeChanged(<span class="keyword">const</span> <span class="type">QLocale</span> <span class="operator">&</span>locale) { <span class="type">QVariant</span> localeVariant(locale); ui<span class="operator">.</span>language<span class="operator">-</span><span class="operator">></span>setCurrentIndex(ui<span class="operator">.</span>language<span class="operator">-</span><span class="operator">></span>findData(localeVariant)); disconnect(ui<span class="operator">.</span>voice<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">void</span> (<span class="type">QComboBox</span><span class="operator">::</span><span class="operator">*</span>)(<span class="type">int</span>)<span class="operator">></span>(<span class="operator">&</span><span class="type">QComboBox</span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>voiceSelected); ui<span class="operator">.</span>voice<span class="operator">-</span><span class="operator">></span>clear(); m_voices <span class="operator">=</span> m_speech<span class="operator">-</span><span class="operator">></span>availableVoices(); <span class="type"><a href="qvoice.html">QVoice</a></span> currentVoice <span class="operator">=</span> m_speech<span class="operator">-</span><span class="operator">></span>voice(); foreach (<span class="keyword">const</span> <span class="type"><a href="qvoice.html">QVoice</a></span> <span class="operator">&</span>voice<span class="operator">,</span> m_voices) { ui<span class="operator">.</span>voice<span class="operator">-</span><span class="operator">></span>addItem(<span class="type">QString</span>(<span class="string">"%1 - %2 - %3"</span>)<span class="operator">.</span>arg(voice<span class="operator">.</span>name()) <span class="operator">.</span>arg(<span class="type"><a href="qvoice.html">QVoice</a></span><span class="operator">::</span>genderName(voice<span class="operator">.</span>gender())) <span class="operator">.</span>arg(<span class="type"><a href="qvoice.html">QVoice</a></span><span class="operator">::</span>ageName(voice<span class="operator">.</span>age()))); <span class="keyword">if</span> (voice<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> currentVoice<span class="operator">.</span>name()) ui<span class="operator">.</span>voice<span class="operator">-</span><span class="operator">></span>setCurrentIndex(ui<span class="operator">.</span>voice<span class="operator">-</span><span class="operator">></span>count() <span class="operator">-</span> <span class="number">1</span>); } connect(ui<span class="operator">.</span>voice<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">void</span> (<span class="type">QComboBox</span><span class="operator">::</span><span class="operator">*</span>)(<span class="type">int</span>)<span class="operator">></span>(<span class="operator">&</span><span class="type">QComboBox</span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>voiceSelected); } </pre> </div> <!-- @@@hello_speak/mainwindow.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>