<?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>window.cpp Example File | Qt Widgets 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="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-widgets-sliders-example.html">Sliders Example</a></td><td >window.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">window.cpp Example File</h1> <span class="subtitle">widgets/sliders/window.cpp</span> <!-- $$$widgets/sliders/window.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 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 <QtWidgets></span> <span class="preprocessor">#include "slidersgroup.h"</span> <span class="preprocessor">#include "window.h"</span> Window<span class="operator">::</span>Window() { horizontalSliders <span class="operator">=</span> <span class="keyword">new</span> SlidersGroup(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Horizontal<span class="operator">,</span> tr(<span class="string">"Horizontal"</span>)); verticalSliders <span class="operator">=</span> <span class="keyword">new</span> SlidersGroup(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Vertical<span class="operator">,</span> tr(<span class="string">"Vertical"</span>)); stackedWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qstackedwidget.html">QStackedWidget</a></span>; stackedWidget<span class="operator">-</span><span class="operator">></span>addWidget(horizontalSliders); stackedWidget<span class="operator">-</span><span class="operator">></span>addWidget(verticalSliders); createControls(tr(<span class="string">"Controls"</span>)); connect(horizontalSliders<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> verticalSliders<span class="operator">,</span> SLOT(setValue(<span class="type">int</span>))); connect(verticalSliders<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> valueSpinBox<span class="operator">,</span> SLOT(setValue(<span class="type">int</span>))); connect(valueSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> horizontalSliders<span class="operator">,</span> SLOT(setValue(<span class="type">int</span>))); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(controlsGroup); layout<span class="operator">-</span><span class="operator">></span>addWidget(stackedWidget); setLayout(layout); minimumSpinBox<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>); maximumSpinBox<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">20</span>); valueSpinBox<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">5</span>); setWindowTitle(tr(<span class="string">"Sliders"</span>)); } <span class="type">void</span> Window<span class="operator">::</span>createControls(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>title) { controlsGroup <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(title); minimumLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Minimum value:"</span>)); maximumLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Maximum value:"</span>)); valueLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Current value:"</span>)); invertedAppearance <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"Inverted appearance"</span>)); invertedKeyBindings <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"Inverted key bindings"</span>)); minimumSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>; minimumSpinBox<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">100</span><span class="operator">,</span> <span class="number">100</span>); minimumSpinBox<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">1</span>); maximumSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>; maximumSpinBox<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">100</span><span class="operator">,</span> <span class="number">100</span>); maximumSpinBox<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">1</span>); valueSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>; valueSpinBox<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">100</span><span class="operator">,</span> <span class="number">100</span>); valueSpinBox<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">1</span>); orientationCombo <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>; orientationCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Horizontal slider-like widgets"</span>)); orientationCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Vertical slider-like widgets"</span>)); connect(orientationCombo<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> stackedWidget<span class="operator">,</span> SLOT(setCurrentIndex(<span class="type">int</span>))); connect(minimumSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> horizontalSliders<span class="operator">,</span> SLOT(setMinimum(<span class="type">int</span>))); connect(minimumSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> verticalSliders<span class="operator">,</span> SLOT(setMinimum(<span class="type">int</span>))); connect(maximumSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> horizontalSliders<span class="operator">,</span> SLOT(setMaximum(<span class="type">int</span>))); connect(maximumSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> verticalSliders<span class="operator">,</span> SLOT(setMaximum(<span class="type">int</span>))); connect(invertedAppearance<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> horizontalSliders<span class="operator">,</span> SLOT(invertAppearance(bool))); connect(invertedAppearance<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> verticalSliders<span class="operator">,</span> SLOT(invertAppearance(bool))); connect(invertedKeyBindings<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> horizontalSliders<span class="operator">,</span> SLOT(invertKeyBindings(bool))); connect(invertedKeyBindings<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> verticalSliders<span class="operator">,</span> SLOT(invertKeyBindings(bool))); <span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>controlsLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>; controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(minimumLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(maximumLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(valueLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(minimumSpinBox<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(maximumSpinBox<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(valueSpinBox<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(invertedAppearance<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">2</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(invertedKeyBindings<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(orientationCombo<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">3</span>); controlsGroup<span class="operator">-</span><span class="operator">></span>setLayout(controlsLayout); } </pre> </div> <!-- @@@widgets/sliders/window.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>