<?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>sortingbox.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-tooltips-example.html">Tool Tips Example</a></td><td >sortingbox.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">sortingbox.cpp Example File</h1> <span class="subtitle">widgets/tooltips/sortingbox.cpp</span> <!-- $$$widgets/tooltips/sortingbox.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 <stdlib.h></span> <span class="preprocessor">#include "sortingbox.h"</span> SortingBox<span class="operator">::</span>SortingBox() { setMouseTracking(<span class="keyword">true</span>); setBackgroundRole(<span class="type"><a href="../qtgui/qpalette.html">QPalette</a></span><span class="operator">::</span>Base); itemInMotion <span class="operator">=</span> <span class="number">0</span>; newCircleButton <span class="operator">=</span> createToolButton(tr(<span class="string">"New Circle"</span>)<span class="operator">,</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span>(<span class="string">":/images/circle.png"</span>)<span class="operator">,</span> SLOT(createNewCircle())); newSquareButton <span class="operator">=</span> createToolButton(tr(<span class="string">"New Square"</span>)<span class="operator">,</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span>(<span class="string">":/images/square.png"</span>)<span class="operator">,</span> SLOT(createNewSquare())); newTriangleButton <span class="operator">=</span> createToolButton(tr(<span class="string">"New Triangle"</span>)<span class="operator">,</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span>(<span class="string">":/images/triangle.png"</span>)<span class="operator">,</span> SLOT(createNewTriangle())); circlePath<span class="operator">.</span>addEllipse(<span class="type"><a href="../qtcore/qrect.html">QRect</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">100</span><span class="operator">,</span> <span class="number">100</span>)); squarePath<span class="operator">.</span>addRect(<span class="type"><a href="../qtcore/qrect.html">QRect</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">100</span><span class="operator">,</span> <span class="number">100</span>)); <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> x <span class="operator">=</span> trianglePath<span class="operator">.</span>currentPosition()<span class="operator">.</span>x(); <span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> y <span class="operator">=</span> trianglePath<span class="operator">.</span>currentPosition()<span class="operator">.</span>y(); trianglePath<span class="operator">.</span>moveTo(x <span class="operator">+</span> <span class="number">120</span> <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> y); trianglePath<span class="operator">.</span>lineTo(<span class="number">0</span><span class="operator">,</span> <span class="number">100</span>); trianglePath<span class="operator">.</span>lineTo(<span class="number">120</span><span class="operator">,</span> <span class="number">100</span>); trianglePath<span class="operator">.</span>lineTo(x <span class="operator">+</span> <span class="number">120</span> <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> y); setWindowTitle(tr(<span class="string">"Tool Tips"</span>)); resize(<span class="number">500</span><span class="operator">,</span> <span class="number">300</span>); createShapeItem(circlePath<span class="operator">,</span> tr(<span class="string">"Circle"</span>)<span class="operator">,</span> initialItemPosition(circlePath)<span class="operator">,</span> initialItemColor()); createShapeItem(squarePath<span class="operator">,</span> tr(<span class="string">"Square"</span>)<span class="operator">,</span> initialItemPosition(squarePath)<span class="operator">,</span> initialItemColor()); createShapeItem(trianglePath<span class="operator">,</span> tr(<span class="string">"Triangle"</span>)<span class="operator">,</span> initialItemPosition(trianglePath)<span class="operator">,</span> initialItemColor()); } bool SortingBox<span class="operator">::</span>event(<span class="type"><a href="../qtcore/qevent.html">QEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>type() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qevent.html">QEvent</a></span><span class="operator">::</span>ToolTip) { <span class="type"><a href="../qtgui/qhelpevent.html">QHelpEvent</a></span> <span class="operator">*</span>helpEvent <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="../qtgui/qhelpevent.html">QHelpEvent</a></span> <span class="operator">*</span><span class="operator">></span>(event); <span class="type">int</span> index <span class="operator">=</span> itemAt(helpEvent<span class="operator">-</span><span class="operator">></span>pos()); <span class="keyword">if</span> (index <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) { <span class="type"><a href="qtooltip.html">QToolTip</a></span><span class="operator">::</span>showText(helpEvent<span class="operator">-</span><span class="operator">></span>globalPos()<span class="operator">,</span> shapeItems<span class="operator">[</span>index<span class="operator">]</span><span class="operator">.</span>toolTip()); } <span class="keyword">else</span> { <span class="type"><a href="qtooltip.html">QToolTip</a></span><span class="operator">::</span>hideText(); event<span class="operator">-</span><span class="operator">></span>ignore(); } <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="keyword">return</span> <span class="type"><a href="qwidget.html">QWidget</a></span><span class="operator">::</span>event(event); } <span class="type">void</span> SortingBox<span class="operator">::</span>resizeEvent(<span class="type"><a href="../qtgui/qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span> <span class="comment">/* event */</span>) { <span class="type">int</span> margin <span class="operator">=</span> style()<span class="operator">-</span><span class="operator">></span>pixelMetric(<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>PM_DefaultTopLevelMargin); <span class="type">int</span> x <span class="operator">=</span> width() <span class="operator">-</span> margin; <span class="type">int</span> y <span class="operator">=</span> height() <span class="operator">-</span> margin; y <span class="operator">=</span> updateButtonGeometry(newCircleButton<span class="operator">,</span> x<span class="operator">,</span> y); y <span class="operator">=</span> updateButtonGeometry(newSquareButton<span class="operator">,</span> x<span class="operator">,</span> y); updateButtonGeometry(newTriangleButton<span class="operator">,</span> x<span class="operator">,</span> y); } <span class="type">void</span> SortingBox<span class="operator">::</span>paintEvent(<span class="type"><a href="../qtgui/qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span> <span class="comment">/* event */</span>) { <span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> painter(<span class="keyword">this</span>); painter<span class="operator">.</span>setRenderHint(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span><span class="operator">::</span>Antialiasing); foreach (ShapeItem shapeItem<span class="operator">,</span> shapeItems) { painter<span class="operator">.</span>translate(shapeItem<span class="operator">.</span>position()); painter<span class="operator">.</span>setBrush(shapeItem<span class="operator">.</span>color()); painter<span class="operator">.</span>drawPath(shapeItem<span class="operator">.</span>path()); painter<span class="operator">.</span>translate(<span class="operator">-</span>shapeItem<span class="operator">.</span>position()); } } <span class="type">void</span> SortingBox<span class="operator">::</span>mousePressEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>button() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftButton) { <span class="type">int</span> index <span class="operator">=</span> itemAt(event<span class="operator">-</span><span class="operator">></span>pos()); <span class="keyword">if</span> (index <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) { itemInMotion <span class="operator">=</span> <span class="operator">&</span>shapeItems<span class="operator">[</span>index<span class="operator">]</span>; previousPosition <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos(); shapeItems<span class="operator">.</span>move(index<span class="operator">,</span> shapeItems<span class="operator">.</span>size() <span class="operator">-</span> <span class="number">1</span>); update(); } } } <span class="type">void</span> SortingBox<span class="operator">::</span>mouseMoveEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> ((event<span class="operator">-</span><span class="operator">></span>buttons() <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftButton) <span class="operator">&</span><span class="operator">&</span> itemInMotion) moveItemTo(event<span class="operator">-</span><span class="operator">></span>pos()); } <span class="type">void</span> SortingBox<span class="operator">::</span>mouseReleaseEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>button() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>LeftButton <span class="operator">&</span><span class="operator">&</span> itemInMotion) { moveItemTo(event<span class="operator">-</span><span class="operator">></span>pos()); itemInMotion <span class="operator">=</span> <span class="number">0</span>; } } <span class="type">void</span> SortingBox<span class="operator">::</span>createNewCircle() { <span class="keyword">static</span> <span class="type">int</span> count <span class="operator">=</span> <span class="number">1</span>; createShapeItem(circlePath<span class="operator">,</span> tr(<span class="string">"Circle <%1>"</span>)<span class="operator">.</span>arg(<span class="operator">+</span><span class="operator">+</span>count)<span class="operator">,</span> randomItemPosition()<span class="operator">,</span> randomItemColor()); } <span class="type">void</span> SortingBox<span class="operator">::</span>createNewSquare() { <span class="keyword">static</span> <span class="type">int</span> count <span class="operator">=</span> <span class="number">1</span>; createShapeItem(squarePath<span class="operator">,</span> tr(<span class="string">"Square <%1>"</span>)<span class="operator">.</span>arg(<span class="operator">+</span><span class="operator">+</span>count)<span class="operator">,</span> randomItemPosition()<span class="operator">,</span> randomItemColor()); } <span class="type">void</span> SortingBox<span class="operator">::</span>createNewTriangle() { <span class="keyword">static</span> <span class="type">int</span> count <span class="operator">=</span> <span class="number">1</span>; createShapeItem(trianglePath<span class="operator">,</span> tr(<span class="string">"Triangle <%1>"</span>)<span class="operator">.</span>arg(<span class="operator">+</span><span class="operator">+</span>count)<span class="operator">,</span> randomItemPosition()<span class="operator">,</span> randomItemColor()); } <span class="type">int</span> SortingBox<span class="operator">::</span>itemAt(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> <span class="operator">&</span>pos) { <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> shapeItems<span class="operator">.</span>size() <span class="operator">-</span> <span class="number">1</span>; i <span class="operator">></span><span class="operator">=</span> <span class="number">0</span>; <span class="operator">-</span><span class="operator">-</span>i) { <span class="keyword">const</span> ShapeItem <span class="operator">&</span>item <span class="operator">=</span> shapeItems<span class="operator">[</span>i<span class="operator">]</span>; <span class="keyword">if</span> (item<span class="operator">.</span>path()<span class="operator">.</span>contains(pos <span class="operator">-</span> item<span class="operator">.</span>position())) <span class="keyword">return</span> i; } <span class="keyword">return</span> <span class="operator">-</span><span class="number">1</span>; } <span class="type">void</span> SortingBox<span class="operator">::</span>moveItemTo(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> <span class="operator">&</span>pos) { <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> offset <span class="operator">=</span> pos <span class="operator">-</span> previousPosition; itemInMotion<span class="operator">-</span><span class="operator">></span>setPosition(itemInMotion<span class="operator">-</span><span class="operator">></span>position() <span class="operator">+</span> offset); previousPosition <span class="operator">=</span> pos; update(); } <span class="type">int</span> SortingBox<span class="operator">::</span>updateButtonGeometry(<span class="type"><a href="qtoolbutton.html">QToolButton</a></span> <span class="operator">*</span>button<span class="operator">,</span> <span class="type">int</span> x<span class="operator">,</span> <span class="type">int</span> y) { <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> size <span class="operator">=</span> button<span class="operator">-</span><span class="operator">></span>sizeHint(); button<span class="operator">-</span><span class="operator">></span>setGeometry(x <span class="operator">-</span> size<span class="operator">.</span>rwidth()<span class="operator">,</span> y <span class="operator">-</span> size<span class="operator">.</span>rheight()<span class="operator">,</span> size<span class="operator">.</span>rwidth()<span class="operator">,</span> size<span class="operator">.</span>rheight()); <span class="keyword">return</span> y <span class="operator">-</span> size<span class="operator">.</span>rheight() <span class="operator">-</span> style()<span class="operator">-</span><span class="operator">></span>pixelMetric(<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>PM_DefaultLayoutSpacing); } <span class="type">void</span> SortingBox<span class="operator">::</span>createShapeItem(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpainterpath.html">QPainterPath</a></span> <span class="operator">&</span>path<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>toolTip<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> <span class="operator">&</span>pos<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> <span class="operator">&</span>color) { ShapeItem shapeItem; shapeItem<span class="operator">.</span>setPath(path); shapeItem<span class="operator">.</span>setToolTip(toolTip); shapeItem<span class="operator">.</span>setPosition(pos); shapeItem<span class="operator">.</span>setColor(color); shapeItems<span class="operator">.</span>append(shapeItem); update(); } <span class="type"><a href="qtoolbutton.html">QToolButton</a></span> <span class="operator">*</span>SortingBox<span class="operator">::</span>createToolButton(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>toolTip<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span> <span class="operator">&</span>icon<span class="operator">,</span> <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>member) { <span class="type"><a href="qtoolbutton.html">QToolButton</a></span> <span class="operator">*</span>button <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtoolbutton.html">QToolButton</a></span>(<span class="keyword">this</span>); button<span class="operator">-</span><span class="operator">></span>setToolTip(toolTip); button<span class="operator">-</span><span class="operator">></span>setIcon(icon); button<span class="operator">-</span><span class="operator">></span>setIconSize(<span class="type"><a href="../qtcore/qsize.html">QSize</a></span>(<span class="number">32</span><span class="operator">,</span> <span class="number">32</span>)); connect(button<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> member); <span class="keyword">return</span> button; } <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> SortingBox<span class="operator">::</span>initialItemPosition(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpainterpath.html">QPainterPath</a></span> <span class="operator">&</span>path) { <span class="type">int</span> x; <span class="type">int</span> y <span class="operator">=</span> (height() <span class="operator">-</span> (<span class="type">int</span>)path<span class="operator">.</span>controlPointRect()<span class="operator">.</span>height()) <span class="operator">/</span> <span class="number">2</span>; <span class="keyword">if</span> (shapeItems<span class="operator">.</span>size() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) x <span class="operator">=</span> ((<span class="number">3</span> <span class="operator">*</span> width()) <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> (<span class="type">int</span>)path<span class="operator">.</span>controlPointRect()<span class="operator">.</span>width()) <span class="operator">/</span> <span class="number">2</span>; <span class="keyword">else</span> x <span class="operator">=</span> (width() <span class="operator">/</span> shapeItems<span class="operator">.</span>size() <span class="operator">-</span> (<span class="type">int</span>)path<span class="operator">.</span>controlPointRect()<span class="operator">.</span>width()) <span class="operator">/</span> <span class="number">2</span>; <span class="keyword">return</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(x<span class="operator">,</span> y); } <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> SortingBox<span class="operator">::</span>randomItemPosition() { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="type"><a href="../qtcore/qrandomgenerator.html">QRandomGenerator</a></span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(width() <span class="operator">-</span> <span class="number">120</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qrandomgenerator.html">QRandomGenerator</a></span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(height() <span class="operator">-</span> <span class="number">120</span>)); } <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> SortingBox<span class="operator">::</span>initialItemColor() { <span class="keyword">return</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span><span class="operator">::</span>fromHsv(((shapeItems<span class="operator">.</span>size() <span class="operator">+</span> <span class="number">1</span>) <span class="operator">*</span> <span class="number">85</span>) <span class="operator">%</span> <span class="number">256</span><span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">190</span>); } <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> SortingBox<span class="operator">::</span>randomItemColor() { <span class="keyword">return</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span><span class="operator">::</span>fromHsv(<span class="type"><a href="../qtcore/qrandomgenerator.html">QRandomGenerator</a></span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">256</span>)<span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">190</span>); } </pre> </div> <!-- @@@widgets/tooltips/sortingbox.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>