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<h1 class="title">brushtool.cpp Example File</h1>
<span class="subtitle">piechartcustomization/brushtool.cpp</span>
<!-- $$$piechartcustomization/brushtool.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 Qt Charts module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:GPL$
  ** 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.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 3 or (at your option) any later version
  ** approved by the KDE Free Qt Foundation. The licenses are as published by
  ** the Free Software Foundation and appearing in the file LICENSE.GPL3
  ** included in the packaging of this file. Please review the following
  ** information to ensure the GNU General Public License requirements will
  ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/</span>
  <span class="preprocessor">#include &quot;brushtool.h&quot;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QPushButton&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QFormLayout&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QComboBox&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QColorDialog&gt;</span>

  BrushTool<span class="operator">::</span>BrushTool(<span class="type">QString</span> title<span class="operator">,</span> <span class="type">QWidget</span> <span class="operator">*</span>parent)
      : <span class="type">QWidget</span>(parent)
  {
      setWindowTitle(title);
      setWindowFlags(<span class="type">Qt</span><span class="operator">::</span>Tool);

      m_colorButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QPushButton</span>();
      m_styleCombo <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QComboBox</span>();
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Nobrush&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>NoBrush);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Solidpattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>SolidPattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense1pattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense1Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense2attern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense2Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense3Pattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense3Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense4Pattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense4Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense5Pattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense5Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense6Pattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense6Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;Dense7Pattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>Dense7Pattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;HorPattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>HorPattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;VerPattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>VerPattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;CrossPattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>CrossPattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;BDiagPattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>BDiagPattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;FDiagPattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>FDiagPattern);
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="string">&quot;DiagCrossPattern&quot;</span><span class="operator">,</span> (<span class="type">int</span>) <span class="type">Qt</span><span class="operator">::</span>DiagCrossPattern);

      <span class="type">QFormLayout</span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QFormLayout</span>();
      layout<span class="operator">-</span><span class="operator">&gt;</span>addRow(<span class="string">&quot;Color&quot;</span><span class="operator">,</span> m_colorButton);
      layout<span class="operator">-</span><span class="operator">&gt;</span>addRow(<span class="string">&quot;Style&quot;</span><span class="operator">,</span> m_styleCombo);
      setLayout(layout);

      connect(m_colorButton<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QPushButton</span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>BrushTool<span class="operator">::</span>showColorDialog);
      connect(m_styleCombo<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type">void</span> (<span class="type">QComboBox</span><span class="operator">::</span><span class="operator">*</span>)(<span class="type">int</span>)<span class="operator">&gt;</span>(<span class="operator">&amp;</span><span class="type">QComboBox</span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span>
              <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>BrushTool<span class="operator">::</span>updateStyle);
  }

  <span class="type">void</span> BrushTool<span class="operator">::</span>setBrush(<span class="type">QBrush</span> brush)
  {
      m_brush <span class="operator">=</span> brush;
      m_colorButton<span class="operator">-</span><span class="operator">&gt;</span>setText(m_brush<span class="operator">.</span>color()<span class="operator">.</span>name());
      m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(m_brush<span class="operator">.</span>style()); <span class="comment">// index matches the enum</span>
  }

  <span class="type">QBrush</span> BrushTool<span class="operator">::</span>brush() <span class="keyword">const</span>
  {
      <span class="keyword">return</span> m_brush;
  }

  <span class="type">QString</span> BrushTool<span class="operator">::</span>name()
  {
      <span class="keyword">return</span> name(m_brush);
  }

  <span class="type">QString</span> BrushTool<span class="operator">::</span>name(<span class="keyword">const</span> <span class="type">QBrush</span> <span class="operator">&amp;</span>brush)
  {
      <span class="keyword">return</span> brush<span class="operator">.</span>color()<span class="operator">.</span>name();
  }

  <span class="type">void</span> BrushTool<span class="operator">::</span>showColorDialog()
  {
      <span class="type">QColorDialog</span> dialog(m_brush<span class="operator">.</span>color());
      dialog<span class="operator">.</span>show();
      dialog<span class="operator">.</span>exec();
      m_brush<span class="operator">.</span>setColor(dialog<span class="operator">.</span>selectedColor());
      m_colorButton<span class="operator">-</span><span class="operator">&gt;</span>setText(m_brush<span class="operator">.</span>color()<span class="operator">.</span>name());
      <span class="keyword">emit</span> changed();
  }

  <span class="type">void</span> BrushTool<span class="operator">::</span>updateStyle()
  {
      <span class="type">Qt</span><span class="operator">::</span>BrushStyle style <span class="operator">=</span> (<span class="type">Qt</span><span class="operator">::</span>BrushStyle) m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>itemData(m_styleCombo<span class="operator">-</span><span class="operator">&gt;</span>currentIndex())<span class="operator">.</span>toInt();
      <span class="keyword">if</span> (m_brush<span class="operator">.</span>style() <span class="operator">!</span><span class="operator">=</span> style) {
          m_brush<span class="operator">.</span>setStyle(style);
          <span class="keyword">emit</span> changed();
      }
  }

  <span class="preprocessor">#include &quot;moc_brushtool.cpp&quot;</span>

</pre>
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<!-- @@@piechartcustomization/brushtool.cpp -->
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