<?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>document.h 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-undo-example.html">Undo Framework</a></td><td >document.h 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">document.h Example File</h1> <span class="subtitle">tools/undo/document.h</span> <!-- $$$tools/undo/document.h-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the demonstration applications 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">#ifndef DOCUMENT_H</span> <span class="preprocessor">#define DOCUMENT_H</span> <span class="preprocessor">#include <QWidget></span> QT_FORWARD_DECLARE_CLASS(<span class="type"><a href="qundostack.html">QUndoStack</a></span>) QT_FORWARD_DECLARE_CLASS(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span>) <span class="keyword">class</span> Shape { <span class="keyword">public</span>: <span class="keyword">enum</span> Type { Rectangle<span class="operator">,</span> Circle<span class="operator">,</span> Triangle }; <span class="keyword">explicit</span> Shape(Type type <span class="operator">=</span> Rectangle<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> <span class="operator">&</span>color <span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>red<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qrect.html">QRect</a></span> <span class="operator">&</span>rect <span class="operator">=</span> <span class="type"><a href="../qtcore/qrect.html">QRect</a></span>()); Type type() <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> name() <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qrect.html">QRect</a></span> rect() <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qrect.html">QRect</a></span> resizeHandle() <span class="keyword">const</span>; <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> color() <span class="keyword">const</span>; <span class="keyword">static</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> typeToString(Type type); <span class="keyword">static</span> Type stringToType(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>s<span class="operator">,</span> bool <span class="operator">*</span>ok <span class="operator">=</span> <span class="number">0</span>); <span class="keyword">static</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> minSize; <span class="keyword">private</span>: Type m_type; <span class="type"><a href="../qtcore/qrect.html">QRect</a></span> m_rect; <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> m_color; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> m_name; <span class="keyword">friend</span> <span class="keyword">class</span> Document; }; <span class="keyword">class</span> Document : <span class="keyword">public</span> <span class="type"><a href="qwidget.html">QWidget</a></span> { Q_OBJECT <span class="keyword">public</span>: Document(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent <span class="operator">=</span> <span class="number">0</span>); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> addShape(<span class="keyword">const</span> Shape <span class="operator">&</span>shape); <span class="type">void</span> deleteShape(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>shapeName); Shape shape(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>shapeName) <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> currentShapeName() <span class="keyword">const</span>; <span class="type">void</span> setShapeRect(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>shapeName<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qrect.html">QRect</a></span> <span class="operator">&</span>rect); <span class="type">void</span> setShapeColor(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>shapeName<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> <span class="operator">&</span>color); bool load(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span> <span class="operator">&</span>stream); <span class="type">void</span> save(<span class="type"><a href="../qtcore/qtextstream.html">QTextStream</a></span> <span class="operator">&</span>stream); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> fileName() <span class="keyword">const</span>; <span class="type">void</span> setFileName(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>fileName); <span class="type"><a href="qundostack.html">QUndoStack</a></span> <span class="operator">*</span>undoStack() <span class="keyword">const</span>; <span class="keyword">signals</span>: <span class="type">void</span> currentShapeChanged(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>shapeName); <span class="keyword">protected</span>: <span class="type">void</span> paintEvent(<span class="type"><a href="../qtgui/qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span>event) override; <span class="type">void</span> mousePressEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) override; <span class="type">void</span> mouseReleaseEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) override; <span class="type">void</span> mouseMoveEvent(<span class="type"><a href="../qtgui/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) override; <span class="keyword">private</span>: <span class="type">void</span> setCurrentShape(<span class="type">int</span> index); <span class="type">int</span> indexOf(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>shapeName) <span class="keyword">const</span>; <span class="type">int</span> indexAt(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> <span class="operator">&</span>pos) <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> uniqueName(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>name) <span class="keyword">const</span>; <span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span>Shape<span class="operator">></span> m_shapeList; <span class="type">int</span> m_currentIndex; <span class="type">int</span> m_mousePressIndex; <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> m_mousePressOffset; bool m_resizeHandlePressed; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> m_fileName; <span class="type"><a href="qundostack.html">QUndoStack</a></span> <span class="operator">*</span>m_undoStack; }; <span class="preprocessor">#endif // DOCUMENT_H</span> </pre> </div> <!-- @@@tools/undo/document.h --> </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>