<?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>variantdelegate.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-tools-settingseditor-example.html">Settings Editor Example</a></td><td >variantdelegate.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">variantdelegate.cpp Example File</h1> <span class="subtitle">tools/settingseditor/variantdelegate.cpp</span> <!-- $$$tools/settingseditor/variantdelegate.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 "variantdelegate.h"</span> VariantDelegate<span class="operator">::</span>VariantDelegate(<span class="type"><a href="../qtcore/qobject.html">QObject</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qitemdelegate.html">QItemDelegate</a></span>(parent) { boolExp<span class="operator">.</span>setPattern(<span class="string">"true|false"</span>); boolExp<span class="operator">.</span>setPatternOptions(<span class="type"><a href="../qtcore/qregularexpression.html">QRegularExpression</a></span><span class="operator">::</span>CaseInsensitiveOption); byteArrayExp<span class="operator">.</span>setPattern(<span class="string">"[\\x00-\\xff]*"</span>); charExp<span class="operator">.</span>setPattern(<span class="string">"."</span>); colorExp<span class="operator">.</span>setPattern(<span class="string">"^\\(([0-9]*),([0-9]*),([0-9]*),([0-9]*)\\)$"</span>); doubleExp<span class="operator">.</span>setPattern(<span class="string">""</span>); pointExp<span class="operator">.</span>setPattern(<span class="string">"^\\((-?[0-9]*),(-?[0-9]*)\\)$"</span>); rectExp<span class="operator">.</span>setPattern(<span class="string">"^\\((-?[0-9]*),(-?[0-9]*),(-?[0-9]*),(-?[0-9]*)\\)$"</span>); signedIntegerExp<span class="operator">.</span>setPattern(<span class="string">"-?[0-9]*"</span>); sizeExp <span class="operator">=</span> pointExp; unsignedIntegerExp<span class="operator">.</span>setPattern(<span class="string">"[0-9]*"</span>); dateExp<span class="operator">.</span>setPattern(<span class="string">"([0-9]{,4})-([0-9]{,2})-([0-9]{,2})"</span>); timeExp<span class="operator">.</span>setPattern(<span class="string">"([0-9]{,2}):([0-9]{,2}):([0-9]{,2})"</span>); dateTimeExp<span class="operator">.</span>setPattern(dateExp<span class="operator">.</span>pattern() <span class="operator">+</span> <span class="char">'T'</span> <span class="operator">+</span> timeExp<span class="operator">.</span>pattern()); } <span class="type">void</span> VariantDelegate<span class="operator">::</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="qstyleoptionviewitem.html">QStyleOptionViewItem</a></span> <span class="operator">&</span>option<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index) <span class="keyword">const</span> { <span class="keyword">if</span> (index<span class="operator">.</span>column() <span class="operator">=</span><span class="operator">=</span> <span class="number">2</span>) { <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> value <span class="operator">=</span> index<span class="operator">.</span>model()<span class="operator">-</span><span class="operator">></span>data(index<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>UserRole); <span class="keyword">if</span> (<span class="operator">!</span>isSupportedType(value<span class="operator">.</span>type())) { <span class="type"><a href="qstyleoptionviewitem.html">QStyleOptionViewItem</a></span> myOption <span class="operator">=</span> option; myOption<span class="operator">.</span>state <span class="operator">&</span><span class="operator">=</span> <span class="operator">~</span><span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>State_Enabled; <span class="type"><a href="qitemdelegate.html">QItemDelegate</a></span><span class="operator">::</span>paint(painter<span class="operator">,</span> myOption<span class="operator">,</span> index); <span class="keyword">return</span>; } } <span class="type"><a href="qitemdelegate.html">QItemDelegate</a></span><span class="operator">::</span>paint(painter<span class="operator">,</span> option<span class="operator">,</span> index); } <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>VariantDelegate<span class="operator">::</span>createEditor(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstyleoptionviewitem.html">QStyleOptionViewItem</a></span> <span class="operator">&</span> <span class="comment">/* option */</span><span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index) <span class="keyword">const</span> { <span class="keyword">if</span> (index<span class="operator">.</span>column() <span class="operator">!</span><span class="operator">=</span> <span class="number">2</span>) <span class="keyword">return</span> <span class="number">0</span>; <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> originalValue <span class="operator">=</span> index<span class="operator">.</span>model()<span class="operator">-</span><span class="operator">></span>data(index<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>UserRole); <span class="keyword">if</span> (<span class="operator">!</span>isSupportedType(originalValue<span class="operator">.</span>type())) <span class="keyword">return</span> <span class="number">0</span>; <span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>lineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(parent); lineEdit<span class="operator">-</span><span class="operator">></span>setFrame(<span class="keyword">false</span>); <span class="type"><a href="../qtcore/qregularexpression.html">QRegularExpression</a></span> regExp; <span class="keyword">switch</span> (originalValue<span class="operator">.</span>type()) { <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Bool: regExp <span class="operator">=</span> boolExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>ByteArray: regExp <span class="operator">=</span> byteArrayExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Char: regExp <span class="operator">=</span> charExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Color: regExp <span class="operator">=</span> colorExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Date: regExp <span class="operator">=</span> dateExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>DateTime: regExp <span class="operator">=</span> dateTimeExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Double: regExp <span class="operator">=</span> doubleExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>LongLong: regExp <span class="operator">=</span> signedIntegerExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Point: regExp <span class="operator">=</span> pointExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Rect: regExp <span class="operator">=</span> rectExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Size: regExp <span class="operator">=</span> sizeExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Time: regExp <span class="operator">=</span> timeExp; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>UInt: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>ULongLong: regExp <span class="operator">=</span> unsignedIntegerExp; <span class="keyword">break</span>; <span class="keyword">default</span>: ; } <span class="keyword">if</span> (regExp<span class="operator">.</span>isValid()) { <span class="type"><a href="../qtgui/qvalidator.html">QValidator</a></span> <span class="operator">*</span>validator <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtgui/qregularexpressionvalidator.html">QRegularExpressionValidator</a></span>(regExp<span class="operator">,</span> lineEdit); lineEdit<span class="operator">-</span><span class="operator">></span>setValidator(validator); } <span class="keyword">return</span> lineEdit; } <span class="type">void</span> VariantDelegate<span class="operator">::</span>setEditorData(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>editor<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index) <span class="keyword">const</span> { <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> value <span class="operator">=</span> index<span class="operator">.</span>model()<span class="operator">-</span><span class="operator">></span>data(index<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>UserRole); <span class="keyword">if</span> (<span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>lineEdit <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span><span class="operator">></span>(editor)) lineEdit<span class="operator">-</span><span class="operator">></span>setText(displayText(value)); } <span class="type">void</span> VariantDelegate<span class="operator">::</span>setModelData(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>editor<span class="operator">,</span> <span class="type"><a href="../qtcore/qabstractitemmodel.html">QAbstractItemModel</a></span> <span class="operator">*</span>model<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>index) <span class="keyword">const</span> { <span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span>lineEdit <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type"><a href="qlineedit.html">QLineEdit</a></span> <span class="operator">*</span><span class="operator">></span>(editor); <span class="keyword">if</span> (<span class="operator">!</span>lineEdit<span class="operator">-</span><span class="operator">></span>isModified()) <span class="keyword">return</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> text <span class="operator">=</span> lineEdit<span class="operator">-</span><span class="operator">></span>text(); <span class="keyword">const</span> <span class="type"><a href="../qtgui/qvalidator.html">QValidator</a></span> <span class="operator">*</span>validator <span class="operator">=</span> lineEdit<span class="operator">-</span><span class="operator">></span>validator(); <span class="keyword">if</span> (validator) { <span class="type">int</span> pos; <span class="keyword">if</span> (validator<span class="operator">-</span><span class="operator">></span>validate(text<span class="operator">,</span> pos) <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="../qtgui/qvalidator.html">QValidator</a></span><span class="operator">::</span>Acceptable) <span class="keyword">return</span>; } <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> originalValue <span class="operator">=</span> index<span class="operator">.</span>model()<span class="operator">-</span><span class="operator">></span>data(index<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>UserRole); <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> value; <span class="type"><a href="../qtcore/qregularexpressionmatch.html">QRegularExpressionMatch</a></span> match; <span class="keyword">switch</span> (originalValue<span class="operator">.</span>type()) { <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Char: value <span class="operator">=</span> text<span class="operator">.</span>at(<span class="number">0</span>); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Color: match <span class="operator">=</span> colorExp<span class="operator">.</span>match(text); value <span class="operator">=</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<a href="../qtcore/qtglobal.html#qMin">qMin</a>(match<span class="operator">.</span>captured(<span class="number">1</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> <span class="number">255</span>)<span class="operator">,</span> <a href="../qtcore/qtglobal.html#qMin">qMin</a>(match<span class="operator">.</span>captured(<span class="number">2</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> <span class="number">255</span>)<span class="operator">,</span> <a href="../qtcore/qtglobal.html#qMin">qMin</a>(match<span class="operator">.</span>captured(<span class="number">3</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> <span class="number">255</span>)<span class="operator">,</span> <a href="../qtcore/qtglobal.html#qMin">qMin</a>(match<span class="operator">.</span>captured(<span class="number">4</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> <span class="number">255</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Date: { <span class="type"><a href="../qtcore/qdate.html">QDate</a></span> date <span class="operator">=</span> <span class="type"><a href="../qtcore/qdate.html">QDate</a></span><span class="operator">::</span>fromString(text<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ISODate); <span class="keyword">if</span> (<span class="operator">!</span>date<span class="operator">.</span>isValid()) <span class="keyword">return</span>; value <span class="operator">=</span> date; } <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>DateTime: { <span class="type"><a href="../qtcore/qdatetime.html">QDateTime</a></span> dateTime <span class="operator">=</span> <span class="type"><a href="../qtcore/qdatetime.html">QDateTime</a></span><span class="operator">::</span>fromString(text<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ISODate); <span class="keyword">if</span> (<span class="operator">!</span>dateTime<span class="operator">.</span>isValid()) <span class="keyword">return</span>; value <span class="operator">=</span> dateTime; } <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Point: match <span class="operator">=</span> pointExp<span class="operator">.</span>match(text); value <span class="operator">=</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(match<span class="operator">.</span>captured(<span class="number">1</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> match<span class="operator">.</span>captured(<span class="number">2</span>)<span class="operator">.</span>toInt()); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Rect: match <span class="operator">=</span> rectExp<span class="operator">.</span>match(text); value <span class="operator">=</span> <span class="type"><a href="../qtcore/qrect.html">QRect</a></span>(match<span class="operator">.</span>captured(<span class="number">1</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> match<span class="operator">.</span>captured(<span class="number">2</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> match<span class="operator">.</span>captured(<span class="number">3</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> match<span class="operator">.</span>captured(<span class="number">4</span>)<span class="operator">.</span>toInt()); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Size: match <span class="operator">=</span> sizeExp<span class="operator">.</span>match(text); value <span class="operator">=</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span>(match<span class="operator">.</span>captured(<span class="number">1</span>)<span class="operator">.</span>toInt()<span class="operator">,</span> match<span class="operator">.</span>captured(<span class="number">2</span>)<span class="operator">.</span>toInt()); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>StringList: value <span class="operator">=</span> text<span class="operator">.</span>split(<span class="char">','</span>); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Time: { <span class="type"><a href="../qtcore/qtime.html">QTime</a></span> time <span class="operator">=</span> <span class="type"><a href="../qtcore/qtime.html">QTime</a></span><span class="operator">::</span>fromString(text<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ISODate); <span class="keyword">if</span> (<span class="operator">!</span>time<span class="operator">.</span>isValid()) <span class="keyword">return</span>; value <span class="operator">=</span> time; } <span class="keyword">break</span>; <span class="keyword">default</span>: value <span class="operator">=</span> text; value<span class="operator">.</span>convert(originalValue<span class="operator">.</span>type()); } model<span class="operator">-</span><span class="operator">></span>setData(index<span class="operator">,</span> displayText(value)<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>DisplayRole); model<span class="operator">-</span><span class="operator">></span>setData(index<span class="operator">,</span> value<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>UserRole); } bool VariantDelegate<span class="operator">::</span>isSupportedType(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Type type) { <span class="keyword">switch</span> (type) { <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Bool: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>ByteArray: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Char: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Color: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Date: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>DateTime: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Double: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>LongLong: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Point: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Rect: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Size: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>String: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>StringList: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Time: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>UInt: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>ULongLong: <span class="keyword">return</span> <span class="keyword">true</span>; <span class="keyword">default</span>: <span class="keyword">return</span> <span class="keyword">false</span>; } } <span class="type"><a href="../qtcore/qstring.html">QString</a></span> VariantDelegate<span class="operator">::</span>displayText(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> <span class="operator">&</span>value) { <span class="keyword">switch</span> (value<span class="operator">.</span>type()) { <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Bool: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>ByteArray: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Char: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Double: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>LongLong: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>String: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>UInt: <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>ULongLong: <span class="keyword">return</span> value<span class="operator">.</span>toString(); <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Color: { <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> color <span class="operator">=</span> qvariant_cast<span class="operator"><</span><span class="type"><a href="../qtgui/qcolor.html">QColor</a></span><span class="operator">></span>(value); <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"(%1,%2,%3,%4)"</span>) <span class="operator">.</span>arg(color<span class="operator">.</span>red())<span class="operator">.</span>arg(color<span class="operator">.</span>green()) <span class="operator">.</span>arg(color<span class="operator">.</span>blue())<span class="operator">.</span>arg(color<span class="operator">.</span>alpha()); } <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Date: <span class="keyword">return</span> value<span class="operator">.</span>toDate()<span class="operator">.</span>toString(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ISODate); <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>DateTime: <span class="keyword">return</span> value<span class="operator">.</span>toDateTime()<span class="operator">.</span>toString(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ISODate); <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Invalid: <span class="keyword">return</span> <span class="string">"<Invalid>"</span>; <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Point: { <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> point <span class="operator">=</span> value<span class="operator">.</span>toPoint(); <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"(%1,%2)"</span>)<span class="operator">.</span>arg(point<span class="operator">.</span>x())<span class="operator">.</span>arg(point<span class="operator">.</span>y()); } <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Rect: { <span class="type"><a href="../qtcore/qrect.html">QRect</a></span> rect <span class="operator">=</span> value<span class="operator">.</span>toRect(); <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"(%1,%2,%3,%4)"</span>) <span class="operator">.</span>arg(rect<span class="operator">.</span>x())<span class="operator">.</span>arg(rect<span class="operator">.</span>y()) <span class="operator">.</span>arg(rect<span class="operator">.</span>width())<span class="operator">.</span>arg(rect<span class="operator">.</span>height()); } <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Size: { <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> size <span class="operator">=</span> value<span class="operator">.</span>toSize(); <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"(%1,%2)"</span>)<span class="operator">.</span>arg(size<span class="operator">.</span>width())<span class="operator">.</span>arg(size<span class="operator">.</span>height()); } <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>StringList: <span class="keyword">return</span> value<span class="operator">.</span>toStringList()<span class="operator">.</span>join(<span class="char">','</span>); <span class="keyword">case</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Time: <span class="keyword">return</span> value<span class="operator">.</span>toTime()<span class="operator">.</span>toString(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ISODate); <span class="keyword">default</span>: <span class="keyword">break</span>; } <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"<%1>"</span>)<span class="operator">.</span>arg(value<span class="operator">.</span>typeName()); } </pre> </div> <!-- @@@tools/settingseditor/variantdelegate.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>