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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <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: ** ** "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 <QtGui></span> <span class="preprocessor">#include "window.h"</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">></span>addWidget(spinBoxesGroup); layout<span class="operator">-</span><span class="operator">></span>addWidget(editsGroup); layout<span class="operator">-</span><span class="operator">></span>addWidget(doubleSpinBoxesGroup); setLayout(layout); setWindowTitle(tr(<span class="string">"Spin Boxes"</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">"Spinboxes"</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">"Enter a value between "</span> <span class="string">"%1 and %2:"</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">></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">></span>setSingleStep(<span class="number">1</span>); integerSpinBox<span class="operator">-</span><span class="operator">></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">"Enter a zoom value between "</span> <span class="string">"%1 and %2:"</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">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">1000</span>); zoomSpinBox<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">10</span>); zoomSpinBox<span class="operator">-</span><span class="operator">></span>setSuffix(<span class="string">"%"</span>); zoomSpinBox<span class="operator">-</span><span class="operator">></span>setSpecialValueText(tr(<span class="string">"Automatic"</span>)); zoomSpinBox<span class="operator">-</span><span class="operator">></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">"Enter a price between "</span> <span class="string">"%1 and %2:"</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">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">999</span>); priceSpinBox<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">1</span>); priceSpinBox<span class="operator">-</span><span class="operator">></span>setPrefix(<span class="string">"$"</span>); priceSpinBox<span class="operator">-</span><span class="operator">></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">></span>addWidget(integerLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(integerSpinBox); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(zoomLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(zoomSpinBox); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(priceLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(priceSpinBox); spinBoxesGroup<span class="operator">-</span><span class="operator">></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">"Date and time spin boxes"</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">></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">></span>setText(tr(<span class="string">"Appointment date (between %0 and %1):"</span>) <span class="operator">.</span>arg(dateEdit<span class="operator">-</span><span class="operator">></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">></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">></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">></span>setText(tr(<span class="string">"Appointment time (between %0 and %1):"</span>) <span class="operator">.</span>arg(timeEdit<span class="operator">-</span><span class="operator">></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">></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">"Format string for the meeting date "</span> <span class="string">"and time:"</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">></span>addItem(<span class="string">"yyyy-MM-dd hh:mm:ss (zzz 'ms')"</span>); formatComboBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"hh:mm:ss MM/dd/yyyy"</span>); formatComboBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"hh:mm:ss dd/MM/yyyy"</span>); formatComboBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"hh:mm:ss"</span>); formatComboBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"hh:mm ap"</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">></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">></span>addWidget(dateLabel); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(dateEdit); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(timeLabel); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(timeEdit); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(meetingLabel); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(meetingEdit); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(formatLabel); editsLayout<span class="operator">-</span><span class="operator">></span>addWidget(formatComboBox); editsGroup<span class="operator">-</span><span class="operator">></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">&</span>formatString) { meetingEdit<span class="operator">-</span><span class="operator">></span>setDisplayFormat(formatString); <span class="keyword">if</span> (meetingEdit<span class="operator">-</span><span class="operator">></span>displayedSections() <span class="operator">&</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">></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">></span>setText(tr(<span class="string">"Meeting date (between %0 and %1):"</span>) <span class="operator">.</span>arg(meetingEdit<span class="operator">-</span><span class="operator">></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">></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">></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">></span>setText(tr(<span class="string">"Meeting time (between %0 and %1):"</span>) <span class="operator">.</span>arg(meetingEdit<span class="operator">-</span><span class="operator">></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">></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">"Double precision spinboxes"</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">"Number of decimal places "</span> <span class="string">"to show:"</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">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">100</span>); precisionSpinBox<span class="operator">-</span><span class="operator">></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">"Enter a value between "</span> <span class="string">"%1 and %2:"</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">></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">></span>setSingleStep(<span class="number">1.0</span>); doubleSpinBox<span class="operator">-</span><span class="operator">></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">"Enter a scale factor between "</span> <span class="string">"%1 and %2:"</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">></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">></span>setSingleStep(<span class="number">10.0</span>); scaleSpinBox<span class="operator">-</span><span class="operator">></span>setSuffix(<span class="string">"%"</span>); scaleSpinBox<span class="operator">-</span><span class="operator">></span>setSpecialValueText(tr(<span class="string">"No scaling"</span>)); scaleSpinBox<span class="operator">-</span><span class="operator">></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">"Enter a price between "</span> <span class="string">"%1 and %2:"</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">></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">></span>setSingleStep(<span class="number">1.0</span>); priceSpinBox<span class="operator">-</span><span class="operator">></span>setPrefix(<span class="string">"$"</span>); priceSpinBox<span class="operator">-</span><span class="operator">></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">></span>addWidget(precisionLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(precisionSpinBox); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(doubleLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(doubleSpinBox); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(scaleLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(scaleSpinBox); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(priceLabel); spinBoxLayout<span class="operator">-</span><span class="operator">></span>addWidget(priceSpinBox); doubleSpinBoxesGroup<span class="operator">-</span><span class="operator">></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">></span>setDecimals(decimals); scaleSpinBox<span class="operator">-</span><span class="operator">></span>setDecimals(decimals); priceSpinBox<span class="operator">-</span><span class="operator">></span>setDecimals(decimals); }</pre> </div> <!-- @@@widgets/spinboxes/window.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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