<?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>widgetgallery.cpp Example File | 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="qtwidgets-widgets-styles-example.html">Styles Example</a></td><td >widgetgallery.cpp Example File</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="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">widgetgallery.cpp Example File</h1> <span class="subtitle">widgets/styles/widgetgallery.cpp</span> <!-- $$$widgets/styles/widgetgallery.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 "norwegianwoodstyle.h"</span> <span class="preprocessor">#include "widgetgallery.h"</span> WidgetGallery<span class="operator">::</span>WidgetGallery(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qdialog.html">QDialog</a></span>(parent) { originalPalette <span class="operator">=</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>palette(); styleComboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>; styleComboBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"NorwegianWood"</span>); styleComboBox<span class="operator">-</span><span class="operator">></span>addItems(<span class="type"><a href="qstylefactory.html">QStyleFactory</a></span><span class="operator">::</span>keys()); styleLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"&Style:"</span>)); styleLabel<span class="operator">-</span><span class="operator">></span>setBuddy(styleComboBox); useStylePaletteCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"&Use style's standard palette"</span>)); useStylePaletteCheckBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); disableWidgetsCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"&Disable widgets"</span>)); createTopLeftGroupBox(); createTopRightGroupBox(); createBottomLeftTabWidget(); createBottomRightGroupBox(); createProgressBar(); connect(styleComboBox<span class="operator">,</span> SIGNAL(activated(<span class="type"><a href="../qtcore/qstring.html">QString</a></span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(changeStyle(<span class="type"><a href="../qtcore/qstring.html">QString</a></span>))); connect(useStylePaletteCheckBox<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(changePalette())); connect(disableWidgetsCheckBox<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> topLeftGroupBox<span class="operator">,</span> SLOT(setDisabled(bool))); connect(disableWidgetsCheckBox<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> topRightGroupBox<span class="operator">,</span> SLOT(setDisabled(bool))); connect(disableWidgetsCheckBox<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> bottomLeftTabWidget<span class="operator">,</span> SLOT(setDisabled(bool))); connect(disableWidgetsCheckBox<span class="operator">,</span> SIGNAL(toggled(bool))<span class="operator">,</span> bottomRightGroupBox<span class="operator">,</span> SLOT(setDisabled(bool))); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>topLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; topLayout<span class="operator">-</span><span class="operator">></span>addWidget(styleLabel); topLayout<span class="operator">-</span><span class="operator">></span>addWidget(styleComboBox); topLayout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>); topLayout<span class="operator">-</span><span class="operator">></span>addWidget(useStylePaletteCheckBox); topLayout<span class="operator">-</span><span class="operator">></span>addWidget(disableWidgetsCheckBox); <span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>; mainLayout<span class="operator">-</span><span class="operator">></span>addLayout(topLayout<span class="operator">,</span> <span class="number">0</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">2</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(topLeftGroupBox<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(topRightGroupBox<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(bottomLeftTabWidget<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(bottomRightGroupBox<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(progressBar<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">2</span>); mainLayout<span class="operator">-</span><span class="operator">></span>setRowStretch(<span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>setRowStretch(<span class="number">2</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>setColumnStretch(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>); mainLayout<span class="operator">-</span><span class="operator">></span>setColumnStretch(<span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); setLayout(mainLayout); setWindowTitle(tr(<span class="string">"Styles"</span>)); changeStyle(<span class="string">"NorwegianWood"</span>); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>changeStyle(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>styleName) { <span class="keyword">if</span> (styleName <span class="operator">=</span><span class="operator">=</span> <span class="string">"NorwegianWood"</span>) { <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setStyle(<span class="keyword">new</span> NorwegianWoodStyle); } <span class="keyword">else</span> { <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setStyle(<span class="type"><a href="qstylefactory.html">QStyleFactory</a></span><span class="operator">::</span>create(styleName)); } changePalette(); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>changePalette() { <span class="keyword">if</span> (useStylePaletteCheckBox<span class="operator">-</span><span class="operator">></span>isChecked()) <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setPalette(<span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>style()<span class="operator">-</span><span class="operator">></span>standardPalette()); <span class="keyword">else</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setPalette(originalPalette); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>advanceProgressBar() { <span class="type">int</span> curVal <span class="operator">=</span> progressBar<span class="operator">-</span><span class="operator">></span>value(); <span class="type">int</span> maxVal <span class="operator">=</span> progressBar<span class="operator">-</span><span class="operator">></span>maximum(); progressBar<span class="operator">-</span><span class="operator">></span>setValue(curVal <span class="operator">+</span> (maxVal <span class="operator">-</span> curVal) <span class="operator">/</span> <span class="number">100</span>); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>createTopLeftGroupBox() { topLeftGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">"Group 1"</span>)); radioButton1 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qradiobutton.html">QRadioButton</a></span>(tr(<span class="string">"Radio button 1"</span>)); radioButton2 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qradiobutton.html">QRadioButton</a></span>(tr(<span class="string">"Radio button 2"</span>)); radioButton3 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qradiobutton.html">QRadioButton</a></span>(tr(<span class="string">"Radio button 3"</span>)); radioButton1<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); checkBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"Tri-state check box"</span>)); checkBox<span class="operator">-</span><span class="operator">></span>setTristate(<span class="keyword">true</span>); checkBox<span class="operator">-</span><span class="operator">></span>setCheckState(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>PartiallyChecked); <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(radioButton1); layout<span class="operator">-</span><span class="operator">></span>addWidget(radioButton2); layout<span class="operator">-</span><span class="operator">></span>addWidget(radioButton3); layout<span class="operator">-</span><span class="operator">></span>addWidget(checkBox); layout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>); topLeftGroupBox<span class="operator">-</span><span class="operator">></span>setLayout(layout); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>createTopRightGroupBox() { topRightGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">"Group 2"</span>)); defaultPushButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Default Push Button"</span>)); defaultPushButton<span class="operator">-</span><span class="operator">></span>setDefault(<span class="keyword">true</span>); togglePushButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Toggle Push Button"</span>)); togglePushButton<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); togglePushButton<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); flatPushButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Flat Push Button"</span>)); flatPushButton<span class="operator">-</span><span class="operator">></span>setFlat(<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(defaultPushButton); layout<span class="operator">-</span><span class="operator">></span>addWidget(togglePushButton); layout<span class="operator">-</span><span class="operator">></span>addWidget(flatPushButton); layout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>); topRightGroupBox<span class="operator">-</span><span class="operator">></span>setLayout(layout); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>createBottomLeftTabWidget() { bottomLeftTabWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtabwidget.html">QTabWidget</a></span>; bottomLeftTabWidget<span class="operator">-</span><span class="operator">></span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Preferred<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Ignored); <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>tab1 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>; tableWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidget.html">QTableWidget</a></span>(<span class="number">10</span><span class="operator">,</span> <span class="number">10</span>); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>tab1hbox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; tab1hbox<span class="operator">-</span><span class="operator">></span>setMargin(<span class="number">5</span>); tab1hbox<span class="operator">-</span><span class="operator">></span>addWidget(tableWidget); tab1<span class="operator">-</span><span class="operator">></span>setLayout(tab1hbox); <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>tab2 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>; textEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextedit.html">QTextEdit</a></span>; textEdit<span class="operator">-</span><span class="operator">></span>setPlainText(tr(<span class="string">"Twinkle, twinkle, little star,\n"</span> <span class="string">"How I wonder what you are.\n"</span> <span class="string">"Up above the world so high,\n"</span> <span class="string">"Like a diamond in the sky.\n"</span> <span class="string">"Twinkle, twinkle, little star,\n"</span> <span class="string">"How I wonder what you are!\n"</span>)); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>tab2hbox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; tab2hbox<span class="operator">-</span><span class="operator">></span>setMargin(<span class="number">5</span>); tab2hbox<span class="operator">-</span><span class="operator">></span>addWidget(textEdit); tab2<span class="operator">-</span><span class="operator">></span>setLayout(tab2hbox); bottomLeftTabWidget<span class="operator">-</span><span class="operator">></span>addTab(tab1<span class="operator">,</span> tr(<span class="string">"&Table"</span>)); bottomLeftTabWidget<span class="operator">-</span><span class="operator">></span>addTab(tab2<span class="operator">,</span> tr(<span class="string">"Text &Edit"</span>)); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>createBottomRightGroupBox() { bottomRightGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">"Group 3"</span>)); bottomRightGroupBox<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); bottomRightGroupBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); lineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(<span class="string">"s3cRe7"</span>); lineEdit<span class="operator">-</span><span class="operator">></span>setEchoMode(<span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>Password); spinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>(bottomRightGroupBox); spinBox<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">50</span>); dateTimeEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdatetimeedit.html">QDateTimeEdit</a></span>(bottomRightGroupBox); dateTimeEdit<span class="operator">-</span><span class="operator">></span>setDateTime(<span class="type"><a href="../qtcore/qdatetime.html">QDateTime</a></span><span class="operator">::</span>currentDateTime()); slider <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qslider.html">QSlider</a></span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Horizontal<span class="operator">,</span> bottomRightGroupBox); slider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">40</span>); scrollBar <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscrollbar.html">QScrollBar</a></span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Horizontal<span class="operator">,</span> bottomRightGroupBox); scrollBar<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">60</span>); dial <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdial.html">QDial</a></span>(bottomRightGroupBox); dial<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">30</span>); dial<span class="operator">-</span><span class="operator">></span>setNotchesVisible(<span class="keyword">true</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(lineEdit<span class="operator">,</span> <span class="number">0</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">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(spinBox<span class="operator">,</span> <span class="number">1</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">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(dateTimeEdit<span class="operator">,</span> <span class="number">2</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">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(slider<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(scrollBar<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(dial<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>); layout<span class="operator">-</span><span class="operator">></span>setRowStretch(<span class="number">5</span><span class="operator">,</span> <span class="number">1</span>); bottomRightGroupBox<span class="operator">-</span><span class="operator">></span>setLayout(layout); } <span class="type">void</span> WidgetGallery<span class="operator">::</span>createProgressBar() { progressBar <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qprogressbar.html">QProgressBar</a></span>; progressBar<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">10000</span>); progressBar<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span>); <span class="type"><a href="../qtcore/qtimer.html">QTimer</a></span> <span class="operator">*</span>timer <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/qtimer.html">QTimer</a></span>(<span class="keyword">this</span>); connect(timer<span class="operator">,</span> SIGNAL(timeout())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(advanceProgressBar())); timer<span class="operator">-</span><span class="operator">></span>start(<span class="number">1000</span>); } </pre> </div> <!-- @@@widgets/styles/widgetgallery.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>