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<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:
  **
  ** &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
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  **
  ** 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,
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  ** (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;QtWidgets&gt;</span>

  <span class="preprocessor">#include &quot;previewwindow.h&quot;</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">&gt;</span>setReadOnly(<span class="keyword">true</span>);
      textEdit<span class="operator">-</span><span class="operator">&gt;</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">&quot;&amp;Close&quot;</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">&gt;</span>addWidget(textEdit);
      layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(closeButton);
      setLayout(layout);

      setWindowTitle(tr(<span class="string">&quot;Preview&quot;</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">&amp;</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">&quot;Qt::Window&quot;</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">&quot;Qt::Dialog&quot;</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">&quot;Qt::Sheet&quot;</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">&quot;Qt::Drawer&quot;</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">&quot;Qt::Popup&quot;</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">&quot;Qt::Tool&quot;</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">&quot;Qt::ToolTip&quot;</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">&quot;Qt::SplashScreen&quot;</span>;
      }

      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::MSWindowsFixedSizeDialogHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::X11BypassWindowManagerHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::FramelessWindowHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::NoDropShadowWindowHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowTitleHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowSystemMenuHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowMinimizeButtonHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowMaximizeButtonHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowCloseButtonHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowContextHelpButtonHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowShadeButtonHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::WindowStaysOnTopHint&quot;</span>;
      <span class="keyword">if</span> (flags <span class="operator">&amp;</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">&quot;\n| Qt::CustomizeWindowHint&quot;</span>;

      textEdit<span class="operator">-</span><span class="operator">&gt;</span>setPlainText(text);
  }

</pre>
</div>
<!-- @@@widgets/windowflags/previewwindow.cpp -->
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