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<h1 class="title">window.cpp Example File</h1>
<span class="small-subtitle">widgets/spinboxes/window.cpp</span>
<!-- $$$widgets/spinboxes/window.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &quot;window.h&quot;</span>
Window<span class="operator">::</span>Window()
{
createSpinBoxes();
createDateTimeEdits();
createDoubleSpinBoxes();
<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">&gt;</span>addWidget(spinBoxesGroup);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(editsGroup);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(doubleSpinBoxesGroup);
setLayout(layout);
setWindowTitle(tr(<span class="string">&quot;Spin Boxes&quot;</span>));
}
<span class="type">void</span> Window<span class="operator">::</span>createSpinBoxes()
{
spinBoxesGroup <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">&quot;Spinboxes&quot;</span>));
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>integerLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Enter a value between &quot;</span>
<span class="string">&quot;%1 and %2:&quot;</span>)<span class="operator">.</span>arg(<span class="operator">-</span><span class="number">20</span>)<span class="operator">.</span>arg(<span class="number">20</span>));
<span class="type"><a href="qspinbox.html">QSpinBox</a></span> <span class="operator">*</span>integerSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
integerSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="operator">-</span><span class="number">20</span><span class="operator">,</span> <span class="number">20</span>);
integerSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSingleStep(<span class="number">1</span>);
integerSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">0</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>zoomLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Enter a zoom value between &quot;</span>
<span class="string">&quot;%1 and %2:&quot;</span>)<span class="operator">.</span>arg(<span class="number">0</span>)<span class="operator">.</span>arg(<span class="number">1000</span>));
<span class="type"><a href="qspinbox.html">QSpinBox</a></span> <span class="operator">*</span>zoomSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
zoomSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">1000</span>);
zoomSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSingleStep(<span class="number">10</span>);
zoomSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSuffix(<span class="string">&quot;%&quot;</span>);
zoomSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSpecialValueText(tr(<span class="string">&quot;Automatic&quot;</span>));
zoomSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">100</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>priceLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Enter a price between &quot;</span>
<span class="string">&quot;%1 and %2:&quot;</span>)<span class="operator">.</span>arg(<span class="number">0</span>)<span class="operator">.</span>arg(<span class="number">999</span>));
<span class="type"><a href="qspinbox.html">QSpinBox</a></span> <span class="operator">*</span>priceSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">999</span>);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSingleStep(<span class="number">1</span>);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setPrefix(<span class="string">&quot;$&quot;</span>);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">99</span>);
<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>spinBoxLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(integerLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(integerSpinBox);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(zoomLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(zoomSpinBox);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(priceLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(priceSpinBox);
spinBoxesGroup<span class="operator">-</span><span class="operator">&gt;</span>setLayout(spinBoxLayout);
}
<span class="type">void</span> Window<span class="operator">::</span>createDateTimeEdits()
{
editsGroup <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">&quot;Date and time spin boxes&quot;</span>));
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>dateLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
<span class="type"><a href="qdateedit.html">QDateEdit</a></span> <span class="operator">*</span>dateEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdateedit.html">QDateEdit</a></span>(<span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>currentDate());
dateEdit<span class="operator">-</span><span class="operator">&gt;</span>setDateRange(<span class="type"><a href="qdate.html">QDate</a></span>(<span class="number">2005</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="type"><a href="qdate.html">QDate</a></span>(<span class="number">2010</span><span class="operator">,</span> <span class="number">12</span><span class="operator">,</span> <span class="number">31</span>));
dateLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Appointment date (between %0 and %1):&quot;</span>)
<span class="operator">.</span>arg(dateEdit<span class="operator">-</span><span class="operator">&gt;</span>minimumDate()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate))
<span class="operator">.</span>arg(dateEdit<span class="operator">-</span><span class="operator">&gt;</span>maximumDate()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate)));
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>timeLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
<span class="type"><a href="qtimeedit.html">QTimeEdit</a></span> <span class="operator">*</span>timeEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtimeedit.html">QTimeEdit</a></span>(<span class="type"><a href="qtime.html">QTime</a></span><span class="operator">::</span>currentTime());
timeEdit<span class="operator">-</span><span class="operator">&gt;</span>setTimeRange(<span class="type"><a href="qtime.html">QTime</a></span>(<span class="number">9</span><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">0</span>)<span class="operator">,</span> <span class="type"><a href="qtime.html">QTime</a></span>(<span class="number">16</span><span class="operator">,</span> <span class="number">30</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>));
timeLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Appointment time (between %0 and %1):&quot;</span>)
<span class="operator">.</span>arg(timeEdit<span class="operator">-</span><span class="operator">&gt;</span>minimumTime()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate))
<span class="operator">.</span>arg(timeEdit<span class="operator">-</span><span class="operator">&gt;</span>maximumTime()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate)));
meetingLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
meetingEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdatetimeedit.html">QDateTimeEdit</a></span>(<span class="type"><a href="qdatetime.html">QDateTime</a></span><span class="operator">::</span>currentDateTime());
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>formatLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Format string for the meeting date &quot;</span>
<span class="string">&quot;and time:&quot;</span>));
<span class="type"><a href="qcombobox.html">QComboBox</a></span> <span class="operator">*</span>formatComboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
formatComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;yyyy-MM-dd hh:mm:ss (zzz 'ms')&quot;</span>);
formatComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;hh:mm:ss MM/dd/yyyy&quot;</span>);
formatComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;hh:mm:ss dd/MM/yyyy&quot;</span>);
formatComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;hh:mm:ss&quot;</span>);
formatComboBox<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;hh:mm ap&quot;</span>);
connect(formatComboBox<span class="operator">,</span> SIGNAL(activated(<span class="type"><a href="qstring.html">QString</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(setFormatString(<span class="type"><a href="qstring.html">QString</a></span>)));
setFormatString(formatComboBox<span class="operator">-</span><span class="operator">&gt;</span>currentText());
<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>editsLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(dateLabel);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(dateEdit);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(timeLabel);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(timeEdit);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(meetingLabel);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(meetingEdit);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(formatLabel);
editsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(formatComboBox);
editsGroup<span class="operator">-</span><span class="operator">&gt;</span>setLayout(editsLayout);
}
<span class="type">void</span> Window<span class="operator">::</span>setFormatString(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>formatString)
{
meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>setDisplayFormat(formatString);
<span class="keyword">if</span> (meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>displayedSections() <span class="operator">&amp;</span> <span class="type"><a href="qdatetimeedit.html">QDateTimeEdit</a></span><span class="operator">::</span>DateSections_Mask) {
meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>setDateRange(<span class="type"><a href="qdate.html">QDate</a></span>(<span class="number">2004</span><span class="operator">,</span> <span class="number">11</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">,</span> <span class="type"><a href="qdate.html">QDate</a></span>(<span class="number">2005</span><span class="operator">,</span> <span class="number">11</span><span class="operator">,</span> <span class="number">30</span>));
meetingLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Meeting date (between %0 and %1):&quot;</span>)
<span class="operator">.</span>arg(meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>minimumDate()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate))
<span class="operator">.</span>arg(meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>maximumDate()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate)));
} <span class="keyword">else</span> {
meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>setTimeRange(<span class="type"><a href="qtime.html">QTime</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">7</span><span class="operator">,</span> <span class="number">20</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">,</span> <span class="type"><a href="qtime.html">QTime</a></span>(<span class="number">21</span><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">0</span>));
meetingLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Meeting time (between %0 and %1):&quot;</span>)
<span class="operator">.</span>arg(meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>minimumTime()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate))
<span class="operator">.</span>arg(meetingEdit<span class="operator">-</span><span class="operator">&gt;</span>maximumTime()<span class="operator">.</span>toString(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ISODate)));
}
}
<span class="type">void</span> Window<span class="operator">::</span>createDoubleSpinBoxes()
{
doubleSpinBoxesGroup <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">&quot;Double precision spinboxes&quot;</span>));
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>precisionLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Number of decimal places &quot;</span>
<span class="string">&quot;to show:&quot;</span>));
<span class="type"><a href="qspinbox.html">QSpinBox</a></span> <span class="operator">*</span>precisionSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
precisionSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">100</span>);
precisionSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">2</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>doubleLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Enter a value between &quot;</span>
<span class="string">&quot;%1 and %2:&quot;</span>)<span class="operator">.</span>arg(<span class="operator">-</span><span class="number">20</span>)<span class="operator">.</span>arg(<span class="number">20</span>));
doubleSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdoublespinbox.html">QDoubleSpinBox</a></span>;
doubleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="operator">-</span><span class="number">20.0</span><span class="operator">,</span> <span class="number">20.0</span>);
doubleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSingleStep(<span class="number">1.0</span>);
doubleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">0.0</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>scaleLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Enter a scale factor between &quot;</span>
<span class="string">&quot;%1 and %2:&quot;</span>)<span class="operator">.</span>arg(<span class="number">0</span>)<span class="operator">.</span>arg(<span class="number">1000.0</span>));
scaleSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdoublespinbox.html">QDoubleSpinBox</a></span>;
scaleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">0.0</span><span class="operator">,</span> <span class="number">1000.0</span>);
scaleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSingleStep(<span class="number">10.0</span>);
scaleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSuffix(<span class="string">&quot;%&quot;</span>);
scaleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSpecialValueText(tr(<span class="string">&quot;No scaling&quot;</span>));
scaleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">100.0</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>priceLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Enter a price between &quot;</span>
<span class="string">&quot;%1 and %2:&quot;</span>)<span class="operator">.</span>arg(<span class="number">0</span>)<span class="operator">.</span>arg(<span class="number">1000</span>));
priceSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdoublespinbox.html">QDoubleSpinBox</a></span>;
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">0.0</span><span class="operator">,</span> <span class="number">1000.0</span>);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setSingleStep(<span class="number">1.0</span>);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setPrefix(<span class="string">&quot;$&quot;</span>);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">99.99</span>);
connect(precisionSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(changePrecision(<span class="type">int</span>)));
<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>spinBoxLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(precisionLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(precisionSpinBox);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(doubleLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(doubleSpinBox);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(scaleLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(scaleSpinBox);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(priceLabel);
spinBoxLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(priceSpinBox);
doubleSpinBoxesGroup<span class="operator">-</span><span class="operator">&gt;</span>setLayout(spinBoxLayout);
}
<span class="type">void</span> Window<span class="operator">::</span>changePrecision(<span class="type">int</span> decimals)
{
doubleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setDecimals(decimals);
scaleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setDecimals(decimals);
priceSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setDecimals(decimals);
}</pre>
</div>
<!-- @@@widgets/spinboxes/window.cpp -->
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