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<td ><a href="../qtdoc/index.html">Qt 5.11</a></td><td ><a href="qtcharts-index.html">Qt Charts</a></td><td ><a href="qtcharts-callout-example.html">Callout Example</a></td><td >callout.h Example File</td></tr></table><table class="buildversion"><tr>
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<h1 class="title">callout.h Example File</h1>
<span class="subtitle">callout/callout.h</span>
<!-- $$$callout/callout.h-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">#ifndef CALLOUT_H</span>
<span class="preprocessor">#define CALLOUT_H</span>
<span class="preprocessor">#include <QtCharts/QChartGlobal></span>
<span class="preprocessor">#include <QtWidgets/QGraphicsItem></span>
<span class="preprocessor">#include <QtGui/QFont></span>
<span class="keyword">class</span> <span class="type"><a href="../qtwidgets/qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a></span>;
QT_CHARTS_BEGIN_NAMESPACE
<span class="keyword">class</span> <span class="type"><a href="qchart.html">QChart</a></span>;
QT_CHARTS_END_NAMESPACE
QT_CHARTS_USE_NAMESPACE
<span class="keyword">class</span> Callout : <span class="keyword">public</span> <span class="type"><a href="../qtwidgets/qgraphicsitem.html">QGraphicsItem</a></span>
{
<span class="keyword">public</span>:
Callout(<span class="type"><a href="qchart.html">QChart</a></span> <span class="operator">*</span>parent);
<span class="type">void</span> setText(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>text);
<span class="type">void</span> setAnchor(<span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> point);
<span class="type">void</span> updateGeometry();
<span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> boundingRect() <span class="keyword">const</span>;
<span class="type">void</span> paint(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtwidgets/qstyleoptiongraphicsitem.html">QStyleOptionGraphicsItem</a></span> <span class="operator">*</span>option<span class="operator">,</span><span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>widget);
<span class="keyword">protected</span>:
<span class="type">void</span> mousePressEvent(<span class="type"><a href="../qtwidgets/qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a></span> <span class="operator">*</span>event);
<span class="type">void</span> mouseMoveEvent(<span class="type"><a href="../qtwidgets/qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a></span> <span class="operator">*</span>event);
<span class="keyword">private</span>:
<span class="type"><a href="../qtcore/qstring.html">QString</a></span> m_text;
<span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> m_textRect;
<span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> m_rect;
<span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> m_anchor;
<span class="type"><a href="../qtgui/qfont.html">QFont</a></span> m_font;
<span class="type"><a href="qchart.html">QChart</a></span> <span class="operator">*</span>m_chart;
};
<span class="preprocessor">#endif // CALLOUT_H</span>
</pre>
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<!-- @@@callout/callout.h -->
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