<?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>encodingdialog.cpp Example File | Qt Widgets 5.12.6</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 5.12</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-tools-codecs-example.html">Text Codecs Example</a></td><td >encodingdialog.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-index.html">Qt 5.12.6 Reference Documentation</a></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">encodingdialog.cpp Example File</h1> <span class="subtitle">tools/codecs/encodingdialog.cpp</span> <!-- $$$tools/codecs/encodingdialog.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2018 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 "encodingdialog.h"</span> <span class="preprocessor">#if QT_CONFIG(action)</span> <span class="preprocessor"># include <QAction></span> <span class="preprocessor">#endif</span> <span class="preprocessor">#include <QDialogButtonBox></span> <span class="preprocessor">#include <QFormLayout></span> <span class="preprocessor">#include <QLabel></span> <span class="preprocessor">#include <QLineEdit></span> <span class="preprocessor">#include <QVBoxLayout></span> <span class="preprocessor">#if QT_CONFIG(clipboard)</span> <span class="preprocessor"># include <QGuiApplication></span> <span class="preprocessor"># include <QClipboard></span> <span class="preprocessor">#endif</span> <span class="preprocessor">#include <QTextStream></span> <span class="comment">// Helpers for formatting character sequences</span> <span class="comment">// Format a special character like '\x0a'</span> <span class="keyword">template</span> <span class="operator"><</span><span class="keyword">class</span> Int<span class="operator">></span> <span class="keyword">static</span> <span class="type">void</span> formatEscapedNumber(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span> <span class="operator">&</span>str<span class="operator">,</span> Int value<span class="operator">,</span> <span class="type">int</span> base<span class="operator">,</span> <span class="type">int</span> width <span class="operator">=</span> <span class="number">0</span><span class="operator">,</span><span class="type">char</span> prefix <span class="operator">=</span> <span class="number">0</span>) { str <span class="operator"><</span><span class="operator"><</span> <span class="char">'\\'</span>; <span class="keyword">if</span> (prefix) str <span class="operator"><</span><span class="operator"><</span> prefix; <span class="keyword">const</span> <span class="keyword">auto</span> oldPadChar <span class="operator">=</span> str<span class="operator">.</span>padChar(); <span class="keyword">const</span> <span class="keyword">auto</span> oldFieldWidth <span class="operator">=</span> str<span class="operator">.</span>fieldWidth(); <span class="keyword">const</span> <span class="keyword">auto</span> oldFieldAlignment <span class="operator">=</span> str<span class="operator">.</span>fieldAlignment(); <span class="keyword">const</span> <span class="keyword">auto</span> oldIntegerBase <span class="operator">=</span> str<span class="operator">.</span>integerBase(); str<span class="operator">.</span>setPadChar(QLatin1Char(<span class="char">'0'</span>)); str<span class="operator">.</span>setFieldWidth(width); str<span class="operator">.</span>setFieldAlignment(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span><span class="operator">::</span>AlignRight); str<span class="operator">.</span>setIntegerBase(base); str <span class="operator"><</span><span class="operator"><</span> value; str<span class="operator">.</span>setIntegerBase(oldIntegerBase); str<span class="operator">.</span>setFieldAlignment(oldFieldAlignment); str<span class="operator">.</span>setFieldWidth(oldFieldWidth); str<span class="operator">.</span>setPadChar(oldPadChar); } <span class="keyword">template</span> <span class="operator"><</span><span class="keyword">class</span> Int<span class="operator">></span> <span class="keyword">static</span> bool formatSpecialCharacter(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span> <span class="operator">&</span>str<span class="operator">,</span> Int value) { bool result <span class="operator">=</span> <span class="keyword">true</span>; <span class="keyword">switch</span> (value) { <span class="keyword">case</span> <span class="char">'\\'</span>: str <span class="operator"><</span><span class="operator"><</span> <span class="string">"\\\\"</span>; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="char">'\"'</span>: str <span class="operator"><</span><span class="operator"><</span> <span class="string">"\\\""</span>; <span class="keyword">break</span>; <span class="keyword">case</span> <span class="char">'\n'</span>: str <span class="operator"><</span><span class="operator"><</span> <span class="string">"\\n"</span>; <span class="keyword">break</span>; <span class="keyword">default</span>: result <span class="operator">=</span> <span class="keyword">false</span>; <span class="keyword">break</span>; } <span class="keyword">return</span> result; } <span class="comment">// Format a sequence of characters (QChar, ushort (UTF-16), uint (UTF-32)</span> <span class="comment">// or just char (Latin1, Utf-8)) with the help of traits specifying</span> <span class="comment">// how to obtain the code for checking the printable-ness and how to</span> <span class="comment">// stream out the plain ASCII values.</span> <span class="keyword">template</span> <span class="operator"><</span>EncodingDialog<span class="operator">::</span>Encoding<span class="operator">></span> <span class="keyword">struct</span> FormattingTraits { }; <span class="keyword">template</span> <span class="operator"><</span><span class="operator">></span> <span class="keyword">struct</span> FormattingTraits<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Unicode<span class="operator">></span> { <span class="keyword">static</span> <span class="type"><a href="../qtcore/qtglobal.html#ushort-typedef">ushort</a></span> code(<span class="type"><a href="../qtcore/qchar.html">QChar</a></span> c) { <span class="keyword">return</span> c<span class="operator">.</span>unicode(); } <span class="keyword">static</span> <span class="type">char</span> toAscii(<span class="type"><a href="../qtcore/qchar.html">QChar</a></span> c) { <span class="keyword">return</span> c<span class="operator">.</span>toLatin1(); } }; <span class="keyword">template</span> <span class="operator"><</span><span class="operator">></span> <span class="keyword">struct</span> FormattingTraits<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Utf8<span class="operator">></span> { <span class="keyword">static</span> <span class="type"><a href="../qtcore/qtglobal.html#ushort-typedef">ushort</a></span> code(<span class="type">char</span> c) { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qtglobal.html#uchar-typedef">uchar</a></span>(c); } <span class="keyword">static</span> <span class="type">char</span> toAscii(<span class="type">char</span> c) { <span class="keyword">return</span> c; } }; <span class="keyword">template</span> <span class="operator"><</span><span class="operator">></span> <span class="keyword">struct</span> FormattingTraits<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Utf16<span class="operator">></span> { <span class="keyword">static</span> <span class="type"><a href="../qtcore/qtglobal.html#ushort-typedef">ushort</a></span> code(<span class="type"><a href="../qtcore/qtglobal.html#ushort-typedef">ushort</a></span> c) { <span class="keyword">return</span> c; } <span class="keyword">static</span> <span class="type">char</span> toAscii(<span class="type"><a href="../qtcore/qtglobal.html#ushort-typedef">ushort</a></span> c) { <span class="keyword">return</span> <span class="type">char</span>(c); } }; <span class="keyword">template</span> <span class="operator"><</span><span class="operator">></span> <span class="keyword">struct</span> FormattingTraits<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Utf32<span class="operator">></span> { <span class="keyword">static</span> <span class="type"><a href="../qtcore/qtglobal.html#uint-typedef">uint</a></span> code(<span class="type"><a href="../qtcore/qtglobal.html#uint-typedef">uint</a></span> c) { <span class="keyword">return</span> c; } <span class="keyword">static</span> <span class="type">char</span> toAscii(<span class="type"><a href="../qtcore/qtglobal.html#uint-typedef">uint</a></span> c) { <span class="keyword">return</span> <span class="type">char</span>(c); } }; <span class="keyword">template</span> <span class="operator"><</span><span class="operator">></span> <span class="keyword">struct</span> FormattingTraits<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Latin1<span class="operator">></span> { <span class="keyword">static</span> <span class="type"><a href="../qtcore/qtglobal.html#uchar-typedef">uchar</a></span> code(<span class="type">char</span> c) { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qtglobal.html#uchar-typedef">uchar</a></span>(c); } <span class="keyword">static</span> <span class="type">char</span> toAscii(<span class="type">char</span> c) { <span class="keyword">return</span> c; } }; <span class="keyword">static</span> bool isHexDigit(<span class="type">char</span> c) { <span class="keyword">return</span> (c <span class="operator">></span><span class="operator">=</span> <span class="char">'0'</span> <span class="operator">&</span><span class="operator">&</span> c <span class="operator"><</span><span class="operator">=</span> <span class="char">'9'</span>) <span class="operator">|</span><span class="operator">|</span> (c <span class="operator">></span><span class="operator">=</span> <span class="char">'a'</span> <span class="operator">&</span><span class="operator">&</span> c <span class="operator"><</span><span class="operator">=</span> <span class="char">'f'</span>) <span class="operator">|</span><span class="operator">|</span> (c <span class="operator">></span><span class="operator">=</span> <span class="char">'A'</span> <span class="operator">&</span><span class="operator">&</span> c <span class="operator"><</span><span class="operator">=</span> <span class="char">'F'</span>); } <span class="keyword">template</span> <span class="operator"><</span>EncodingDialog<span class="operator">::</span>Encoding encoding<span class="operator">,</span> <span class="keyword">class</span> Iterator<span class="operator">></span> <span class="keyword">static</span> <span class="type">void</span> formatStringSequence(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span> <span class="operator">&</span>str<span class="operator">,</span> Iterator i1<span class="operator">,</span> Iterator i2<span class="operator">,</span> <span class="type">int</span> escapeIntegerBase<span class="operator">,</span> <span class="type">int</span> escapeWidth<span class="operator">,</span> <span class="type">char</span> escapePrefix <span class="operator">=</span> <span class="number">0</span>) { str <span class="operator"><</span><span class="operator"><</span> <span class="char">'"'</span>; bool separateHexEscape <span class="operator">=</span> <span class="keyword">false</span>; <span class="keyword">for</span> (; i1 <span class="operator">!</span><span class="operator">=</span> i2; <span class="operator">+</span><span class="operator">+</span>i1) { <span class="keyword">const</span> <span class="keyword">auto</span> code <span class="operator">=</span> FormattingTraits<span class="operator"><</span>encoding<span class="operator">></span><span class="operator">::</span>code(<span class="operator">*</span>i1); <span class="keyword">if</span> (code <span class="operator">></span><span class="operator">=</span> <span class="number">0x80</span>) { formatEscapedNumber(str<span class="operator">,</span> code<span class="operator">,</span> escapeIntegerBase<span class="operator">,</span> escapeWidth<span class="operator">,</span> escapePrefix); separateHexEscape <span class="operator">=</span> escapeIntegerBase <span class="operator">=</span><span class="operator">=</span> <span class="number">16</span> <span class="operator">&</span><span class="operator">&</span> escapeWidth <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>; } <span class="keyword">else</span> { <span class="keyword">if</span> (<span class="operator">!</span>formatSpecialCharacter(str<span class="operator">,</span> code)) { <span class="keyword">const</span> <span class="type">char</span> c <span class="operator">=</span> FormattingTraits<span class="operator"><</span>encoding<span class="operator">></span><span class="operator">::</span>toAscii(<span class="operator">*</span>i1); <span class="comment">// For variable width/hex: Terminate the literal to stop digit parsing</span> <span class="comment">// ("\x12" "34...").</span> <span class="keyword">if</span> (separateHexEscape <span class="operator">&</span><span class="operator">&</span> isHexDigit(c)) str <span class="operator"><</span><span class="operator"><</span> <span class="string">"\" \""</span>; str <span class="operator"><</span><span class="operator"><</span> c; } separateHexEscape <span class="operator">=</span> <span class="keyword">false</span>; } } str <span class="operator"><</span><span class="operator"><</span> <span class="char">'"'</span>; } <span class="keyword">static</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> encodedString(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>value<span class="operator">,</span> EncodingDialog<span class="operator">::</span>Encoding e) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> result; <span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span> str(<span class="operator">&</span>result); <span class="keyword">switch</span> (e) { <span class="keyword">case</span> EncodingDialog<span class="operator">::</span>Unicode: formatStringSequence<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Unicode<span class="operator">></span>(str<span class="operator">,</span> value<span class="operator">.</span>cbegin()<span class="operator">,</span> value<span class="operator">.</span>cend()<span class="operator">,</span> <span class="number">16</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="char">'u'</span>); <span class="keyword">break</span>; <span class="keyword">case</span> EncodingDialog<span class="operator">::</span>Utf8: { <span class="keyword">const</span> <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> utf8 <span class="operator">=</span> value<span class="operator">.</span>toUtf8(); str <span class="operator"><</span><span class="operator"><</span> <span class="string">"u8"</span>; formatStringSequence<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Utf8<span class="operator">></span>(str<span class="operator">,</span> utf8<span class="operator">.</span>cbegin()<span class="operator">,</span> utf8<span class="operator">.</span>cend()<span class="operator">,</span> <span class="number">8</span><span class="operator">,</span> <span class="number">3</span>); } <span class="keyword">break</span>; <span class="keyword">case</span> EncodingDialog<span class="operator">::</span>Utf16: { <span class="keyword">auto</span> utf16 <span class="operator">=</span> value<span class="operator">.</span>utf16(); <span class="keyword">auto</span> utf16End <span class="operator">=</span> utf16 <span class="operator">+</span> value<span class="operator">.</span>size(); str <span class="operator"><</span><span class="operator"><</span> <span class="char">'u'</span>; formatStringSequence<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Utf16<span class="operator">></span>(str<span class="operator">,</span> utf16<span class="operator">,</span> utf16End<span class="operator">,</span> <span class="number">16</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="char">'x'</span>); } <span class="keyword">break</span>; <span class="keyword">case</span> EncodingDialog<span class="operator">::</span>Utf32: { <span class="keyword">auto</span> utf32 <span class="operator">=</span> value<span class="operator">.</span>toUcs4(); str <span class="operator"><</span><span class="operator"><</span> <span class="char">'U'</span>; formatStringSequence<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Utf32<span class="operator">></span>(str<span class="operator">,</span> utf32<span class="operator">.</span>cbegin()<span class="operator">,</span> utf32<span class="operator">.</span>cend()<span class="operator">,</span> <span class="number">16</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="char">'x'</span>); } <span class="keyword">break</span>; <span class="keyword">case</span> EncodingDialog<span class="operator">::</span>Latin1: { <span class="keyword">const</span> <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> latin1 <span class="operator">=</span> value<span class="operator">.</span>toLatin1(); formatStringSequence<span class="operator"><</span>EncodingDialog<span class="operator">::</span>Latin1<span class="operator">></span>(str<span class="operator">,</span> latin1<span class="operator">.</span>cbegin()<span class="operator">,</span> latin1<span class="operator">.</span>cend()<span class="operator">,</span> <span class="number">16</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="char">'x'</span>); } <span class="keyword">break</span>; <span class="keyword">case</span> EncodingDialog<span class="operator">::</span>EncodingCount: <span class="keyword">break</span>; } <span class="keyword">return</span> result; } <span class="comment">// Dialog helpers</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>encodingLabels<span class="operator">[</span><span class="operator">]</span> { QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"Unicode:"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"UTF-8:"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"UTF-16:"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"UTF-32:"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"Latin1:"</span>) }; <span class="keyword">static</span> <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>encodingToolTips<span class="operator">[</span><span class="operator">]</span> { QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"Unicode points for use with any encoding (C++, Python)"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"QString::fromUtf8()"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"QStringViewLiteral(), wchar_t on Windows"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"wchar_t on Unix (Ucs4)"</span>)<span class="operator">,</span> QT_TRANSLATE_NOOP(<span class="string">"EncodingDialog"</span><span class="operator">,</span> <span class="string">"QLatin1String"</span>) }; <span class="comment">// A read-only line edit with a tool button to copy the contents</span> <span class="keyword">class</span> DisplayLineEdit : <span class="keyword">public</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span> { Q_OBJECT <span class="keyword">public</span>: <span class="keyword">explicit</span> DisplayLineEdit(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span> <span class="operator">&</span>icon<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent <span class="operator">=</span> nullptr); <span class="keyword">public</span> <span class="keyword">slots</span>: <span class="type">void</span> copyAll(); }; DisplayLineEdit<span class="operator">::</span>DisplayLineEdit(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span> <span class="operator">&</span>icon<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(parent) { setReadOnly(<span class="keyword">true</span>); <span class="preprocessor">#if QT_CONFIG(clipboard) && QT_CONFIG(action)</span> <span class="keyword">auto</span> copyAction <span class="operator">=</span> addAction(icon<span class="operator">,</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>TrailingPosition); connect(copyAction<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>triggered<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>DisplayLineEdit<span class="operator">::</span>copyAll); <span class="preprocessor">#endif</span> } <span class="type">void</span> DisplayLineEdit<span class="operator">::</span>copyAll() { <span class="preprocessor">#if QT_CONFIG(clipboard)</span> <span class="type"><a href="../qtgui/qguiapplication.html">QGuiApplication</a></span><span class="operator">::</span>clipboard()<span class="operator">-</span><span class="operator">></span>setText(text()); <span class="preprocessor">#endif</span> } <span class="keyword">static</span> <span class="type">void</span> addFormLayoutRow(<span class="type"><a href="qformlayout.html">QFormLayout</a></span> <span class="operator">*</span>formLayout<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>text<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>w<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>toolTip) { <span class="keyword">auto</span> label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(text); label<span class="operator">-</span><span class="operator">></span>setToolTip(toolTip); w<span class="operator">-</span><span class="operator">></span>setToolTip(toolTip); label<span class="operator">-</span><span class="operator">></span>setBuddy(w); formLayout<span class="operator">-</span><span class="operator">></span>addRow(label<span class="operator">,</span> w); } EncodingDialog<span class="operator">::</span>EncodingDialog(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qdialog.html">QDialog</a></span>(parent) { setWindowFlags(windowFlags() <span class="operator">&</span> <span class="operator">~</span><span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WindowContextHelpButtonHint); setWindowTitle(tr(<span class="string">"Encodings"</span>)); <span class="keyword">auto</span> formLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qformlayout.html">QFormLayout</a></span>; <span class="keyword">auto</span> sourceLineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(<span class="keyword">this</span>); sourceLineEdit<span class="operator">-</span><span class="operator">></span>setClearButtonEnabled(<span class="keyword">true</span>); connect(sourceLineEdit<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>textChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>EncodingDialog<span class="operator">::</span>textChanged); addFormLayoutRow(formLayout<span class="operator">,</span> tr(<span class="string">"&Source:"</span>)<span class="operator">,</span> sourceLineEdit<span class="operator">,</span> tr(<span class="string">"Enter text"</span>)); <span class="keyword">const</span> <span class="keyword">auto</span> copyIcon <span class="operator">=</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span><span class="operator">::</span>fromTheme(QLatin1String(<span class="string">"edit-copy"</span>)<span class="operator">,</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span>(QLatin1String(<span class="string">":/images/editcopy"</span>))); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> EncodingCount; <span class="operator">+</span><span class="operator">+</span>i) { m_lineEdits<span class="operator">[</span>i<span class="operator">]</span> <span class="operator">=</span> <span class="keyword">new</span> DisplayLineEdit(copyIcon<span class="operator">,</span> <span class="keyword">this</span>); addFormLayoutRow(formLayout<span class="operator">,</span> tr(encodingLabels<span class="operator">[</span>i<span class="operator">]</span>)<span class="operator">,</span> m_lineEdits<span class="operator">[</span>i<span class="operator">]</span><span class="operator">,</span> tr(encodingToolTips<span class="operator">[</span>i<span class="operator">]</span>)); } <span class="keyword">auto</span> mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>(<span class="keyword">this</span>); mainLayout<span class="operator">-</span><span class="operator">></span>addLayout(formLayout); <span class="keyword">auto</span> buttonBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span>(<span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>Close); connect(buttonBox<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>rejected<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>reject); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(buttonBox); } <span class="type">void</span> EncodingDialog<span class="operator">::</span>textChanged(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>t) { <span class="keyword">if</span> (t<span class="operator">.</span>isEmpty()) { <span class="keyword">for</span> (<span class="keyword">auto</span> lineEdit : m_lineEdits) lineEdit<span class="operator">-</span><span class="operator">></span>clear(); } <span class="keyword">else</span> { <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> EncodingCount; <span class="operator">+</span><span class="operator">+</span>i) m_lineEdits<span class="operator">[</span>i<span class="operator">]</span><span class="operator">-</span><span class="operator">></span>setText(encodedString(t<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span>Encoding<span class="operator">></span>(i))); } } <span class="preprocessor">#include "encodingdialog.moc"</span> </pre> </div> <!-- @@@tools/codecs/encodingdialog.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <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 of their respective owners. </p> </div> </body> </html>