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<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>
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<p>
<acronym title="Copyright">©</acronym> 2019 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
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distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
d5e62c01ae8d1e579463c6a871dd44bf
>
files
>
4897
