<?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>brushtool.cpp Example File | Qt Charts 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="qtcharts-index.html">Qt Charts</a></td><td ><a href="qtcharts-piechartcustomization-example.html">Pie Chart Customization Example</a></td><td >brushtool.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">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 "brushtool.h"</span> <span class="preprocessor">#include <QtWidgets/QPushButton></span> <span class="preprocessor">#include <QtWidgets/QFormLayout></span> <span class="preprocessor">#include <QtWidgets/QComboBox></span> <span class="preprocessor">#include <QtWidgets/QColorDialog></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">></span>addItem(<span class="string">"Nobrush"</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">></span>addItem(<span class="string">"Solidpattern"</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">></span>addItem(<span class="string">"Dense1pattern"</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">></span>addItem(<span class="string">"Dense2attern"</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">></span>addItem(<span class="string">"Dense3Pattern"</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">></span>addItem(<span class="string">"Dense4Pattern"</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">></span>addItem(<span class="string">"Dense5Pattern"</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">></span>addItem(<span class="string">"Dense6Pattern"</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">></span>addItem(<span class="string">"Dense7Pattern"</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">></span>addItem(<span class="string">"HorPattern"</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">></span>addItem(<span class="string">"VerPattern"</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">></span>addItem(<span class="string">"CrossPattern"</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">></span>addItem(<span class="string">"BDiagPattern"</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">></span>addItem(<span class="string">"FDiagPattern"</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">></span>addItem(<span class="string">"DiagCrossPattern"</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">></span>addRow(<span class="string">"Color"</span><span class="operator">,</span> m_colorButton); layout<span class="operator">-</span><span class="operator">></span>addRow(<span class="string">"Style"</span><span class="operator">,</span> m_styleCombo); setLayout(layout); connect(m_colorButton<span class="operator">,</span> <span class="operator">&</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">&</span>BrushTool<span class="operator">::</span>showColorDialog); connect(m_styleCombo<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</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">></span>(<span class="operator">&</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">&</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">></span>setText(m_brush<span class="operator">.</span>color()<span class="operator">.</span>name()); m_styleCombo<span class="operator">-</span><span class="operator">></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">&</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">></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">></span>itemData(m_styleCombo<span class="operator">-</span><span class="operator">></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 "moc_brushtool.cpp"</span> </pre> </div> <!-- @@@piechartcustomization/brushtool.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>