<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- trivialwizard.qdoc --> <title>Trivial Wizard Example | Qt Widgets 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="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="examples-dialogs.html">Dialog Examples</a></td><td >Trivial Wizard Example</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-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="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#introduction-page">Introduction Page</a></li> <li class="level1"><a href="#registration-page">Registration Page</a></li> <li class="level1"><a href="#conclusion-page">Conclusion Page</a></li> <li class="level1"><a href="#main-function"><code>main()</code> Function</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Trivial Wizard Example</h1> <span class="subtitle"></span> <!-- $$$dialogs/trivialwizard-brief --> <p>The Trivial Wizard example illustrates how to create a linear three-page registration wizard using three instances of <a href="qwizardpage.html">QWizardPage</a> and one instance of <a href="qwizard.html">QWizard</a>.</p> <!-- @@@dialogs/trivialwizard --> <!-- $$$dialogs/trivialwizard-description --> <div class="descr"> <a name="details"></a> <p class="centerAlign"><img src="images/trivialwizard-example-flow.png" alt="" /></p><a name="introduction-page"></a> <h2 id="introduction-page">Introduction Page</h2> <p class="centerAlign"><img src="images/trivialwizard-example-introduction.png" alt="" /></p><p>The introduction page is created with the <code>createIntroPage()</code> function where a <a href="qwizardpage.html">QWizardPage</a> is created and its title is set to "Introduction". A <a href="qlabel.html">QLabel</a> is used to hold the description of <code>page</code>. A <a href="qvboxlayout.html">QVBoxLayout</a> is used to hold the <code>label</code>. This <code>page</code> is returned when the <code>createIntroPage()</code> function is called.</p> <pre class="cpp"> <span class="type"><a href="qwizardpage.html">QWizardPage</a></span> <span class="operator">*</span>createIntroPage() { <span class="type"><a href="qwizardpage.html">QWizardPage</a></span> <span class="operator">*</span>page <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwizardpage.html">QWizardPage</a></span>; page<span class="operator">-</span><span class="operator">></span>setTitle(<span class="string">"Introduction"</span>); <span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(<span class="string">"This wizard will help you register your copy "</span> <span class="string">"of Super Product Two."</span>); label<span class="operator">-</span><span class="operator">></span>setWordWrap(<span class="keyword">true</span>); <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(label); page<span class="operator">-</span><span class="operator">></span>setLayout(layout); <span class="keyword">return</span> page; } </pre> <a name="registration-page"></a> <h2 id="registration-page">Registration Page</h2> <p class="centerAlign"><img src="images/trivialwizard-example-registration.png" alt="" /></p><p>The registration page is created with the <code>createRegistrationPage()</code> function. <a href="qlineedit.html">QLineEdit</a> objects are used to allow the user to input a name and an e-mail address. A <a href="qgridlayout.html">QGridLayout</a> is used to hold the <a href="qlabel.html">QLabel</a> and <a href="qlineedit.html">QLineEdit</a> objects.</p> <pre class="cpp"> <span class="type"><a href="qwizardpage.html">QWizardPage</a></span> <span class="operator">*</span>createRegistrationPage() { <span class="type"><a href="qwizardpage.html">QWizardPage</a></span> <span class="operator">*</span>page <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwizardpage.html">QWizardPage</a></span>; page<span class="operator">-</span><span class="operator">></span>setTitle(<span class="string">"Registration"</span>); page<span class="operator">-</span><span class="operator">></span>setSubTitle(<span class="string">"Please fill both fields."</span>); <span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>nameLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(<span class="string">"Name:"</span>); <span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>nameLineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>; <span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>emailLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(<span class="string">"Email address:"</span>); <span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>emailLineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>; <span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(nameLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(nameLineEdit<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(emailLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(emailLineEdit<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); page<span class="operator">-</span><span class="operator">></span>setLayout(layout); <span class="keyword">return</span> page; } </pre> <a name="conclusion-page"></a> <h2 id="conclusion-page">Conclusion Page</h2> <p class="centerAlign"><img src="images/trivialwizard-example-conclusion.png" alt="" /></p><p>The conclusion page is created in the <code>createConclusionPage()</code> function. This function's content is similar to <code>createIntroPage()</code>. A <a href="qlabel.html">QLabel</a> is used to inform the user that the registration process has completed successfully.</p> <pre class="cpp"> <span class="type"><a href="qwizardpage.html">QWizardPage</a></span> <span class="operator">*</span>createConclusionPage() { <span class="type"><a href="qwizardpage.html">QWizardPage</a></span> <span class="operator">*</span>page <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwizardpage.html">QWizardPage</a></span>; page<span class="operator">-</span><span class="operator">></span>setTitle(<span class="string">"Conclusion"</span>); <span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(<span class="string">"You are now successfully registered. Have a "</span> <span class="string">"nice day!"</span>); label<span class="operator">-</span><span class="operator">></span>setWordWrap(<span class="keyword">true</span>); <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(label); page<span class="operator">-</span><span class="operator">></span>setLayout(layout); <span class="keyword">return</span> page; } </pre> <a name="main-function"></a> <h2 id="main-function"><code>main()</code> Function</h2> <p>The <code>main()</code> function instantiates a <a href="qwizard.html">QWizard</a> object, <code>wizard</code>, and adds all three <a href="qwizardpage.html">QWizardPage</a> objects to it. The <code>wizard</code> window title is set to "Trivial Wizard" and its <code>show()</code> function is invoked to display it.</p> <pre class="cpp"> <span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span>argv<span class="operator">[</span><span class="operator">]</span>) { <span class="type"><a href="../qtcore/qcoreapplication.html">QCoreApplication</a></span><span class="operator">::</span>setAttribute(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AA_UseHighDpiPixmaps); <span class="type"><a href="qapplication.html">QApplication</a></span> app(argc<span class="operator">,</span> argv); <span class="preprocessor">#ifndef QT_NO_TRANSLATION</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> translatorFileName <span class="operator">=</span> QLatin1String(<span class="string">"qt_"</span>); translatorFileName <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>system()<span class="operator">.</span>name(); <span class="type"><a href="../qtcore/qtranslator.html">QTranslator</a></span> <span class="operator">*</span>translator <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/qtranslator.html">QTranslator</a></span>(<span class="operator">&</span>app); <span class="keyword">if</span> (translator<span class="operator">-</span><span class="operator">></span>load(translatorFileName<span class="operator">,</span> <span class="type"><a href="../qtcore/qlibraryinfo.html">QLibraryInfo</a></span><span class="operator">::</span>location(<span class="type"><a href="../qtcore/qlibraryinfo.html">QLibraryInfo</a></span><span class="operator">::</span>TranslationsPath))) app<span class="operator">.</span>installTranslator(translator); <span class="preprocessor">#endif</span> <span class="type"><a href="qwizard.html">QWizard</a></span> wizard; wizard<span class="operator">.</span>addPage(createIntroPage()); wizard<span class="operator">.</span>addPage(createRegistrationPage()); wizard<span class="operator">.</span>addPage(createConclusionPage()); wizard<span class="operator">.</span>setWindowTitle(<span class="string">"Trivial Wizard"</span>); wizard<span class="operator">.</span>show(); <span class="keyword">return</span> app<span class="operator">.</span>exec(); } </pre> <p>Files:</p> <ul> <li><a href="qtwidgets-dialogs-trivialwizard-trivialwizard-cpp.html">dialogs/trivialwizard/trivialwizard.cpp</a></li> <li><a href="qtwidgets-dialogs-trivialwizard-trivialwizard-pro.html">dialogs/trivialwizard/trivialwizard.pro</a></li> </ul> </div> <p><b>See also </b><a href="qwizard.html">QWizard</a>, <a href="qtwidgets-dialogs-classwizard-example.html">Class Wizard Example</a>, and <a href="qtwidgets-dialogs-licensewizard-example.html">License Wizard Example</a>.</p> <!-- @@@dialogs/trivialwizard --> </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>