<?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>previewwindow.cpp Example File | Qt Widgets 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-widgets-windowflags-example.html">Window Flags Example</a></td><td >previewwindow.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">previewwindow.cpp Example File</h1> <span class="subtitle">widgets/windowflags/previewwindow.cpp</span> <!-- $$$widgets/windowflags/previewwindow.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 "previewwindow.h"</span> PreviewWindow<span class="operator">::</span>PreviewWindow(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qwidget.html">QWidget</a></span>(parent) { 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>setReadOnly(<span class="keyword">true</span>); textEdit<span class="operator">-</span><span class="operator">></span>setLineWrapMode(<span class="type"><a href="qtextedit.html">QTextEdit</a></span><span class="operator">::</span>NoWrap); closeButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Close"</span>)); connect(closeButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(close())); <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(textEdit); layout<span class="operator">-</span><span class="operator">></span>addWidget(closeButton); setLayout(layout); setWindowTitle(tr(<span class="string">"Preview"</span>)); } <span class="type">void</span> PreviewWindow<span class="operator">::</span>setWindowFlags(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowFlags flags) { <span class="type"><a href="qwidget.html">QWidget</a></span><span class="operator">::</span>setWindowFlags(flags); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> text; <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowFlags type <span class="operator">=</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowType_Mask); <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Window) { text <span class="operator">=</span> <span class="string">"Qt::Window"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Dialog) { text <span class="operator">=</span> <span class="string">"Qt::Dialog"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Sheet) { text <span class="operator">=</span> <span class="string">"Qt::Sheet"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Drawer) { text <span class="operator">=</span> <span class="string">"Qt::Drawer"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Popup) { text <span class="operator">=</span> <span class="string">"Qt::Popup"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Tool) { text <span class="operator">=</span> <span class="string">"Qt::Tool"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ToolTip) { text <span class="operator">=</span> <span class="string">"Qt::ToolTip"</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (type <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>SplashScreen) { text <span class="operator">=</span> <span class="string">"Qt::SplashScreen"</span>; } <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>MSWindowsFixedSizeDialogHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::MSWindowsFixedSizeDialogHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>X11BypassWindowManagerHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::X11BypassWindowManagerHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>FramelessWindowHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::FramelessWindowHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>NoDropShadowWindowHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::NoDropShadowWindowHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowTitleHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowTitleHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowSystemMenuHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowSystemMenuHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowMinimizeButtonHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowMinimizeButtonHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowMaximizeButtonHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowMaximizeButtonHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowCloseButtonHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowCloseButtonHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowContextHelpButtonHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowContextHelpButtonHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowShadeButtonHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowShadeButtonHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowStaysOnTopHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::WindowStaysOnTopHint"</span>; <span class="keyword">if</span> (flags <span class="operator">&</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CustomizeWindowHint) text <span class="operator">+</span><span class="operator">=</span> <span class="string">"\n| Qt::CustomizeWindowHint"</span>; textEdit<span class="operator">-</span><span class="operator">></span>setPlainText(text); } </pre> </div> <!-- @@@widgets/windowflags/previewwindow.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>