<?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>spreadsheet.cpp Example File | Qt Widgets 5.12.2</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-itemviews-spreadsheet-example.html">Spreadsheet</a></td><td >spreadsheet.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-index.html">Qt 5.12.2 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">spreadsheet.cpp Example File</h1> <span class="subtitle">itemviews/spreadsheet/spreadsheet.cpp</span> <!-- $$$itemviews/spreadsheet/spreadsheet.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 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">#include <QtWidgets></span> <span class="preprocessor">#if defined(QT_PRINTSUPPORT_LIB)</span> <span class="preprocessor">#include <QtPrintSupport/qtprintsupportglobal.h></span> <span class="preprocessor">#if QT_CONFIG(printdialog)</span> <span class="preprocessor">#include <QPrinter></span> <span class="preprocessor">#include <QPrintDialog></span> <span class="preprocessor">#endif</span> <span class="preprocessor">#if QT_CONFIG(printpreviewdialog)</span> <span class="preprocessor">#include <QPrintPreviewDialog></span> <span class="preprocessor">#endif</span> <span class="preprocessor">#endif</span> <span class="preprocessor">#include "spreadsheet.h"</span> <span class="preprocessor">#include "spreadsheetdelegate.h"</span> <span class="preprocessor">#include "spreadsheetitem.h"</span> <span class="preprocessor">#include "printview.h"</span> SpreadSheet<span class="operator">::</span>SpreadSheet(<span class="type">int</span> rows<span class="operator">,</span> <span class="type">int</span> cols<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent) { addToolBar(toolBar <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtoolbar.html">QToolBar</a></span>()); formulaInput <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(); cellLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(toolBar); cellLabel<span class="operator">-</span><span class="operator">></span>setMinimumSize(<span class="number">80</span><span class="operator">,</span> <span class="number">0</span>); toolBar<span class="operator">-</span><span class="operator">></span>addWidget(cellLabel); toolBar<span class="operator">-</span><span class="operator">></span>addWidget(formulaInput); table <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidget.html">QTableWidget</a></span>(rows<span class="operator">,</span> cols<span class="operator">,</span> <span class="keyword">this</span>); table<span class="operator">-</span><span class="operator">></span>setSizeAdjustPolicy(<span class="type"><a href="qtablewidget.html">QTableWidget</a></span><span class="operator">::</span>AdjustToContents); <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> <span class="number">0</span>; c <span class="operator"><</span> cols; <span class="operator">+</span><span class="operator">+</span>c) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> character(<span class="type"><a href="../qtcore/qchar.html">QChar</a></span>(<span class="char">'A'</span> <span class="operator">+</span> c)); table<span class="operator">-</span><span class="operator">></span>setHorizontalHeaderItem(c<span class="operator">,</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(character)); } table<span class="operator">-</span><span class="operator">></span>setItemPrototype(table<span class="operator">-</span><span class="operator">></span>item(rows <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> cols <span class="operator">-</span> <span class="number">1</span>)); table<span class="operator">-</span><span class="operator">></span>setItemDelegate(<span class="keyword">new</span> SpreadSheetDelegate()); createActions(); updateColor(<span class="number">0</span>); setupMenuBar(); setupContents(); setupContextMenu(); setCentralWidget(table); statusBar(); connect(table<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtablewidget.html">QTableWidget</a></span><span class="operator">::</span>currentItemChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>SpreadSheet<span class="operator">::</span>updateStatus); connect(table<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtablewidget.html">QTableWidget</a></span><span class="operator">::</span>currentItemChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>SpreadSheet<span class="operator">::</span>updateColor); connect(table<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtablewidget.html">QTableWidget</a></span><span class="operator">::</span>currentItemChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>SpreadSheet<span class="operator">::</span>updateLineEdit); connect(table<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtablewidget.html">QTableWidget</a></span><span class="operator">::</span>itemChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>SpreadSheet<span class="operator">::</span>updateStatus); connect(formulaInput<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>returnPressed<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>SpreadSheet<span class="operator">::</span>returnPressed); connect(table<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qtablewidget.html">QTableWidget</a></span><span class="operator">::</span>itemChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>SpreadSheet<span class="operator">::</span>updateLineEdit); setWindowTitle(tr(<span class="string">"Spreadsheet"</span>)); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>createActions() { cell_sumAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Sum"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(cell_sumAction<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>SpreadSheet<span class="operator">::</span>actionSum); cell_addAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Add"</span>)<span class="operator">,</span> <span class="keyword">this</span>); cell_addAction<span class="operator">-</span><span class="operator">></span>setShortcut(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Plus); connect(cell_addAction<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>SpreadSheet<span class="operator">::</span>actionAdd); cell_subAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Subtract"</span>)<span class="operator">,</span> <span class="keyword">this</span>); cell_subAction<span class="operator">-</span><span class="operator">></span>setShortcut(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Minus); connect(cell_subAction<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>SpreadSheet<span class="operator">::</span>actionSubtract); cell_mulAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Multiply"</span>)<span class="operator">,</span> <span class="keyword">this</span>); cell_mulAction<span class="operator">-</span><span class="operator">></span>setShortcut(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_multiply); connect(cell_mulAction<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>SpreadSheet<span class="operator">::</span>actionMultiply); cell_divAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Divide"</span>)<span class="operator">,</span> <span class="keyword">this</span>); cell_divAction<span class="operator">-</span><span class="operator">></span>setShortcut(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_division); connect(cell_divAction<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>SpreadSheet<span class="operator">::</span>actionDivide); fontAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Font..."</span>)<span class="operator">,</span> <span class="keyword">this</span>); fontAction<span class="operator">-</span><span class="operator">></span>setShortcut(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_F); connect(fontAction<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>SpreadSheet<span class="operator">::</span>selectFont); colorAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="number">16</span><span class="operator">,</span> <span class="number">16</span>)<span class="operator">,</span> tr(<span class="string">"Background &Color..."</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(colorAction<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>SpreadSheet<span class="operator">::</span>selectColor); clearAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Clear"</span>)<span class="operator">,</span> <span class="keyword">this</span>); clearAction<span class="operator">-</span><span class="operator">></span>setShortcut(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Delete); connect(clearAction<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>SpreadSheet<span class="operator">::</span>clear); aboutSpreadSheet <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"About Spreadsheet"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(aboutSpreadSheet<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>SpreadSheet<span class="operator">::</span>showAbout); exitAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"E&xit"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(exitAction<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> <a href="qapplication.html#qApp">qApp</a><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtcore/qcoreapplication.html">QCoreApplication</a></span><span class="operator">::</span>quit); printAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Print"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(printAction<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>SpreadSheet<span class="operator">::</span>print); firstSeparator <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(<span class="keyword">this</span>); firstSeparator<span class="operator">-</span><span class="operator">></span>setSeparator(<span class="keyword">true</span>); secondSeparator <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(<span class="keyword">this</span>); secondSeparator<span class="operator">-</span><span class="operator">></span>setSeparator(<span class="keyword">true</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>setupMenuBar() { <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>fileMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&File"</span>)); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(printAction); fileMenu<span class="operator">-</span><span class="operator">></span>addAction(exitAction); <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>cellMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&Cell"</span>)); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(cell_addAction); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(cell_subAction); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(cell_mulAction); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(cell_divAction); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(cell_sumAction); cellMenu<span class="operator">-</span><span class="operator">></span>addSeparator(); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(colorAction); cellMenu<span class="operator">-</span><span class="operator">></span>addAction(fontAction); menuBar()<span class="operator">-</span><span class="operator">></span>addSeparator(); <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>aboutMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&Help"</span>)); aboutMenu<span class="operator">-</span><span class="operator">></span>addAction(aboutSpreadSheet); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>updateStatus(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>item) { <span class="keyword">if</span> (item <span class="operator">&</span><span class="operator">&</span> item <span class="operator">=</span><span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentItem()) { statusBar()<span class="operator">-</span><span class="operator">></span>showMessage(item<span class="operator">-</span><span class="operator">></span>data(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>StatusTipRole)<span class="operator">.</span>toString()<span class="operator">,</span> <span class="number">1000</span>); cellLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Cell: (%1)"</span>)<span class="operator">.</span>arg(encode_pos(table<span class="operator">-</span><span class="operator">></span>row(item)<span class="operator">,</span> table<span class="operator">-</span><span class="operator">></span>column(item)))); } } <span class="type">void</span> SpreadSheet<span class="operator">::</span>updateColor(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>item) { <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> pix(<span class="number">16</span><span class="operator">,</span> <span class="number">16</span>); <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> col; <span class="keyword">if</span> (item) col <span class="operator">=</span> item<span class="operator">-</span><span class="operator">></span>backgroundColor(); <span class="keyword">if</span> (<span class="operator">!</span>col<span class="operator">.</span>isValid()) col <span class="operator">=</span> palette()<span class="operator">.</span>base()<span class="operator">.</span>color(); <span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> pt(<span class="operator">&</span>pix); pt<span class="operator">.</span>fillRect(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">16</span><span class="operator">,</span> <span class="number">16</span><span class="operator">,</span> col); <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> lighter <span class="operator">=</span> col<span class="operator">.</span>light(); pt<span class="operator">.</span>setPen(lighter); <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> lightFrame<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">15</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">15</span><span class="operator">,</span> <span class="number">0</span>) }; pt<span class="operator">.</span>drawPolyline(lightFrame<span class="operator">,</span> <span class="number">3</span>); pt<span class="operator">.</span>setPen(col<span class="operator">.</span>dark()); <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> darkFrame<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">1</span><span class="operator">,</span> <span class="number">15</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">15</span><span class="operator">,</span> <span class="number">15</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">15</span><span class="operator">,</span> <span class="number">1</span>) }; pt<span class="operator">.</span>drawPolyline(darkFrame<span class="operator">,</span> <span class="number">3</span>); pt<span class="operator">.</span>end(); colorAction<span class="operator">-</span><span class="operator">></span>setIcon(pix); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>updateLineEdit(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>item) { <span class="keyword">if</span> (item <span class="operator">!</span><span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentItem()) <span class="keyword">return</span>; <span class="keyword">if</span> (item) formulaInput<span class="operator">-</span><span class="operator">></span>setText(item<span class="operator">-</span><span class="operator">></span>data(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>EditRole)<span class="operator">.</span>toString()); <span class="keyword">else</span> formulaInput<span class="operator">-</span><span class="operator">></span>clear(); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>returnPressed() { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> text <span class="operator">=</span> formulaInput<span class="operator">-</span><span class="operator">></span>text(); <span class="type">int</span> row <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentRow(); <span class="type">int</span> col <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentColumn(); <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>item <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>item(row<span class="operator">,</span> col); <span class="keyword">if</span> (<span class="operator">!</span>item) table<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> col<span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(text)); <span class="keyword">else</span> item<span class="operator">-</span><span class="operator">></span>setData(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>EditRole<span class="operator">,</span> text); table<span class="operator">-</span><span class="operator">></span>viewport()<span class="operator">-</span><span class="operator">></span>update(); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>selectColor() { <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>item <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentItem(); <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> col <span class="operator">=</span> item <span class="operator">?</span> item<span class="operator">-</span><span class="operator">></span>backgroundColor() : table<span class="operator">-</span><span class="operator">></span>palette()<span class="operator">.</span>base()<span class="operator">.</span>color(); col <span class="operator">=</span> <span class="type"><a href="qcolordialog.html">QColorDialog</a></span><span class="operator">::</span>getColor(col<span class="operator">,</span> <span class="keyword">this</span>); <span class="keyword">if</span> (<span class="operator">!</span>col<span class="operator">.</span>isValid()) <span class="keyword">return</span>; <span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">></span> selected <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>selectedItems(); <span class="keyword">if</span> (selected<span class="operator">.</span>count() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) <span class="keyword">return</span>; foreach (<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>i<span class="operator">,</span> selected) { <span class="keyword">if</span> (i) i<span class="operator">-</span><span class="operator">></span>setBackgroundColor(col); } updateColor(table<span class="operator">-</span><span class="operator">></span>currentItem()); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>selectFont() { <span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">></span> selected <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>selectedItems(); <span class="keyword">if</span> (selected<span class="operator">.</span>count() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) <span class="keyword">return</span>; bool ok <span class="operator">=</span> <span class="keyword">false</span>; <span class="type"><a href="../qtgui/qfont.html">QFont</a></span> fnt <span class="operator">=</span> <span class="type"><a href="qfontdialog.html">QFontDialog</a></span><span class="operator">::</span>getFont(<span class="operator">&</span>ok<span class="operator">,</span> font()<span class="operator">,</span> <span class="keyword">this</span>); <span class="keyword">if</span> (<span class="operator">!</span>ok) <span class="keyword">return</span>; foreach (<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>i<span class="operator">,</span> selected) { <span class="keyword">if</span> (i) i<span class="operator">-</span><span class="operator">></span>setFont(fnt); } } bool SpreadSheet<span class="operator">::</span>runInputDialog(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>title<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>c1Text<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>c2Text<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>opText<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>outText<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">*</span>cell1<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">*</span>cell2<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">*</span>outCell) { <span class="type"><a href="../qtcore/qstringlist.html">QStringList</a></span> rows<span class="operator">,</span> cols; <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> <span class="number">0</span>; c <span class="operator"><</span> table<span class="operator">-</span><span class="operator">></span>columnCount(); <span class="operator">+</span><span class="operator">+</span>c) cols <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtcore/qchar.html">QChar</a></span>(<span class="char">'A'</span> <span class="operator">+</span> c); <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> <span class="number">0</span>; r <span class="operator"><</span> table<span class="operator">-</span><span class="operator">></span>rowCount(); <span class="operator">+</span><span class="operator">+</span>r) rows <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">::</span>number(<span class="number">1</span> <span class="operator">+</span> r); <span class="type"><a href="qdialog.html">QDialog</a></span> addDialog(<span class="keyword">this</span>); addDialog<span class="operator">.</span>setWindowTitle(title); <span class="type"><a href="qgroupbox.html">QGroupBox</a></span> group(title<span class="operator">,</span> <span class="operator">&</span>addDialog); group<span class="operator">.</span>setMinimumSize(<span class="number">250</span><span class="operator">,</span> <span class="number">100</span>); <span class="type"><a href="qlabel.html">QLabel</a></span> cell1Label(c1Text<span class="operator">,</span> <span class="operator">&</span>group); <span class="type"><a href="qcombobox.html">QComboBox</a></span> cell1RowInput(<span class="operator">&</span>group); <span class="type">int</span> c1Row<span class="operator">,</span> c1Col; decode_pos(<span class="operator">*</span>cell1<span class="operator">,</span> <span class="operator">&</span>c1Row<span class="operator">,</span> <span class="operator">&</span>c1Col); cell1RowInput<span class="operator">.</span>addItems(rows); cell1RowInput<span class="operator">.</span>setCurrentIndex(c1Row); <span class="type"><a href="qcombobox.html">QComboBox</a></span> cell1ColInput(<span class="operator">&</span>group); cell1ColInput<span class="operator">.</span>addItems(cols); cell1ColInput<span class="operator">.</span>setCurrentIndex(c1Col); <span class="type"><a href="qlabel.html">QLabel</a></span> operatorLabel(opText<span class="operator">,</span> <span class="operator">&</span>group); operatorLabel<span class="operator">.</span>setAlignment(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AlignHCenter); <span class="type"><a href="qlabel.html">QLabel</a></span> cell2Label(c2Text<span class="operator">,</span> <span class="operator">&</span>group); <span class="type"><a href="qcombobox.html">QComboBox</a></span> cell2RowInput(<span class="operator">&</span>group); <span class="type">int</span> c2Row<span class="operator">,</span> c2Col; decode_pos(<span class="operator">*</span>cell2<span class="operator">,</span> <span class="operator">&</span>c2Row<span class="operator">,</span> <span class="operator">&</span>c2Col); cell2RowInput<span class="operator">.</span>addItems(rows); cell2RowInput<span class="operator">.</span>setCurrentIndex(c2Row); <span class="type"><a href="qcombobox.html">QComboBox</a></span> cell2ColInput(<span class="operator">&</span>group); cell2ColInput<span class="operator">.</span>addItems(cols); cell2ColInput<span class="operator">.</span>setCurrentIndex(c2Col); <span class="type"><a href="qlabel.html">QLabel</a></span> equalsLabel(<span class="string">"="</span><span class="operator">,</span> <span class="operator">&</span>group); equalsLabel<span class="operator">.</span>setAlignment(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AlignHCenter); <span class="type"><a href="qlabel.html">QLabel</a></span> outLabel(outText<span class="operator">,</span> <span class="operator">&</span>group); <span class="type"><a href="qcombobox.html">QComboBox</a></span> outRowInput(<span class="operator">&</span>group); <span class="type">int</span> outRow<span class="operator">,</span> outCol; decode_pos(<span class="operator">*</span>outCell<span class="operator">,</span> <span class="operator">&</span>outRow<span class="operator">,</span> <span class="operator">&</span>outCol); outRowInput<span class="operator">.</span>addItems(rows); outRowInput<span class="operator">.</span>setCurrentIndex(outRow); <span class="type"><a href="qcombobox.html">QComboBox</a></span> outColInput(<span class="operator">&</span>group); outColInput<span class="operator">.</span>addItems(cols); outColInput<span class="operator">.</span>setCurrentIndex(outCol); <span class="type"><a href="qpushbutton.html">QPushButton</a></span> cancelButton(tr(<span class="string">"Cancel"</span>)<span class="operator">,</span> <span class="operator">&</span>addDialog); connect(<span class="operator">&</span>cancelButton<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qabstractbutton.html">QAbstractButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="operator">&</span>addDialog<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>reject); <span class="type"><a href="qpushbutton.html">QPushButton</a></span> okButton(tr(<span class="string">"OK"</span>)<span class="operator">,</span> <span class="operator">&</span>addDialog); okButton<span class="operator">.</span>setDefault(<span class="keyword">true</span>); connect(<span class="operator">&</span>okButton<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qabstractbutton.html">QAbstractButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="operator">&</span>addDialog<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qdialog.html">QDialog</a></span><span class="operator">::</span>accept); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>buttonsLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; buttonsLayout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>); buttonsLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>okButton); buttonsLayout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); buttonsLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cancelButton); <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>dialogLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>(<span class="operator">&</span>addDialog); dialogLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>group); dialogLayout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>); dialogLayout<span class="operator">-</span><span class="operator">></span>addItem(buttonsLayout); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>cell1Layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; cell1Layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cell1Label); cell1Layout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); cell1Layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cell1ColInput); cell1Layout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); cell1Layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cell1RowInput); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>cell2Layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; cell2Layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cell2Label); cell2Layout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); cell2Layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cell2ColInput); cell2Layout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); cell2Layout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>cell2RowInput); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>outLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; outLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>outLabel); outLayout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); outLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>outColInput); outLayout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">10</span>); outLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>outRowInput); <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>vLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>(<span class="operator">&</span>group); vLayout<span class="operator">-</span><span class="operator">></span>addItem(cell1Layout); vLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>operatorLabel); vLayout<span class="operator">-</span><span class="operator">></span>addItem(cell2Layout); vLayout<span class="operator">-</span><span class="operator">></span>addWidget(<span class="operator">&</span>equalsLabel); vLayout<span class="operator">-</span><span class="operator">></span>addStretch(<span class="number">1</span>); vLayout<span class="operator">-</span><span class="operator">></span>addItem(outLayout); <span class="keyword">if</span> (addDialog<span class="operator">.</span>exec()) { <span class="operator">*</span>cell1 <span class="operator">=</span> cell1ColInput<span class="operator">.</span>currentText() <span class="operator">+</span> cell1RowInput<span class="operator">.</span>currentText(); <span class="operator">*</span>cell2 <span class="operator">=</span> cell2ColInput<span class="operator">.</span>currentText() <span class="operator">+</span> cell2RowInput<span class="operator">.</span>currentText(); <span class="operator">*</span>outCell <span class="operator">=</span> outColInput<span class="operator">.</span>currentText() <span class="operator">+</span> outRowInput<span class="operator">.</span>currentText(); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="keyword">return</span> <span class="keyword">false</span>; } <span class="type">void</span> SpreadSheet<span class="operator">::</span>actionSum() { <span class="type">int</span> row_first <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> row_last <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> row_cur <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> col_first <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> col_last <span class="operator">=</span> <span class="number">0</span>; <span class="type">int</span> col_cur <span class="operator">=</span> <span class="number">0</span>; <span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">></span> selected <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>selectedItems(); <span class="keyword">if</span> (<span class="operator">!</span>selected<span class="operator">.</span>isEmpty()) { <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>first <span class="operator">=</span> selected<span class="operator">.</span>first(); <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>last <span class="operator">=</span> selected<span class="operator">.</span>last(); row_first <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>row(first); row_last <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>row(last); col_first <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>column(first); col_last <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>column(last); } <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>current <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentItem(); <span class="keyword">if</span> (current) { row_cur <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>row(current); col_cur <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>column(current); } <span class="type"><a href="../qtcore/qstring.html">QString</a></span> cell1 <span class="operator">=</span> encode_pos(row_first<span class="operator">,</span> col_first); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> cell2 <span class="operator">=</span> encode_pos(row_last<span class="operator">,</span> col_last); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> out <span class="operator">=</span> encode_pos(row_cur<span class="operator">,</span> col_cur); <span class="keyword">if</span> (runInputDialog(tr(<span class="string">"Sum cells"</span>)<span class="operator">,</span> tr(<span class="string">"First cell:"</span>)<span class="operator">,</span> tr(<span class="string">"Last cell:"</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(<span class="type"><a href="../qtcore/qchar.html">QChar</a></span>(<span class="number">0x03a3</span>))<span class="operator">,</span> tr(<span class="string">"Output to:"</span>)<span class="operator">,</span> <span class="operator">&</span>cell1<span class="operator">,</span> <span class="operator">&</span>cell2<span class="operator">,</span> <span class="operator">&</span>out)) { <span class="type">int</span> row; <span class="type">int</span> col; decode_pos(out<span class="operator">,</span> <span class="operator">&</span>row<span class="operator">,</span> <span class="operator">&</span>col); table<span class="operator">-</span><span class="operator">></span>item(row<span class="operator">,</span> col)<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"sum %1 %2"</span>)<span class="operator">.</span>arg(cell1<span class="operator">,</span> cell2)); } } <span class="type">void</span> SpreadSheet<span class="operator">::</span>actionMath_helper(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>title<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>op) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> cell1 <span class="operator">=</span> <span class="string">"C1"</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> cell2 <span class="operator">=</span> <span class="string">"C2"</span>; <span class="type"><a href="../qtcore/qstring.html">QString</a></span> out <span class="operator">=</span> <span class="string">"C3"</span>; <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>current <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>currentItem(); <span class="keyword">if</span> (current) out <span class="operator">=</span> encode_pos(table<span class="operator">-</span><span class="operator">></span>currentRow()<span class="operator">,</span> table<span class="operator">-</span><span class="operator">></span>currentColumn()); <span class="keyword">if</span> (runInputDialog(title<span class="operator">,</span> tr(<span class="string">"Cell 1"</span>)<span class="operator">,</span> tr(<span class="string">"Cell 2"</span>)<span class="operator">,</span> op<span class="operator">,</span> tr(<span class="string">"Output to:"</span>)<span class="operator">,</span> <span class="operator">&</span>cell1<span class="operator">,</span> <span class="operator">&</span>cell2<span class="operator">,</span> <span class="operator">&</span>out)) { <span class="type">int</span> row<span class="operator">,</span> col; decode_pos(out<span class="operator">,</span> <span class="operator">&</span>row<span class="operator">,</span> <span class="operator">&</span>col); table<span class="operator">-</span><span class="operator">></span>item(row<span class="operator">,</span> col)<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"%1 %2 %3"</span>)<span class="operator">.</span>arg(op<span class="operator">,</span> cell1<span class="operator">,</span> cell2)); } } <span class="type">void</span> SpreadSheet<span class="operator">::</span>actionAdd() { actionMath_helper(tr(<span class="string">"Addition"</span>)<span class="operator">,</span> <span class="string">"+"</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>actionSubtract() { actionMath_helper(tr(<span class="string">"Subtraction"</span>)<span class="operator">,</span> <span class="string">"-"</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>actionMultiply() { actionMath_helper(tr(<span class="string">"Multiplication"</span>)<span class="operator">,</span> <span class="string">"*"</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>actionDivide() { actionMath_helper(tr(<span class="string">"Division"</span>)<span class="operator">,</span> <span class="string">"/"</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>clear() { foreach (<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>i<span class="operator">,</span> table<span class="operator">-</span><span class="operator">></span>selectedItems()) i<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>setupContextMenu() { addAction(cell_addAction); addAction(cell_subAction); addAction(cell_mulAction); addAction(cell_divAction); addAction(cell_sumAction); addAction(firstSeparator); addAction(colorAction); addAction(fontAction); addAction(secondSeparator); addAction(clearAction); setContextMenuPolicy(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ActionsContextMenu); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>setupContents() { <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> titleBackground(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); <span class="type"><a href="../qtgui/qfont.html">QFont</a></span> titleFont <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>font(); titleFont<span class="operator">.</span>setBold(<span class="keyword">true</span>); <span class="comment">// column 0</span> table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Item"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(titleBackground); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setToolTip(<span class="string">"This column shows the purchased item/service"</span>); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"AirportBus"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">2</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Flight (Munich)"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">3</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Lunch"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">4</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Flight (LA)"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">5</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Taxi"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">6</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Dinner"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">7</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Hotel"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">8</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Flight (Oslo)"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">9</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Total:"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); <span class="comment">// column 1</span> table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Date"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(titleBackground); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">></span>setToolTip(<span class="string">"This column shows the purchase date, double click to change"</span>); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"15/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">2</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"15/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">3</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"15/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">4</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"21/5/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">5</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"16/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">6</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"16/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">7</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"16/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">8</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"18/6/2006"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">9</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem()); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); <span class="comment">// column 2</span> table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Price"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(titleBackground); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">></span>setToolTip(<span class="string">"This column shows the price of the purchase"</span>); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">1</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"150"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">2</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"2350"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">3</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"-14"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">4</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"980"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">5</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"5"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">6</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"120"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">7</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"300"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">8</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"1240"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">9</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem()); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); <span class="comment">// column 3</span> table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Currency"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(titleBackground); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span>)<span class="operator">-</span><span class="operator">></span>setToolTip(<span class="string">"This column shows the currency"</span>); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">1</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"NOK"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">2</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"NOK"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">3</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"EUR"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">4</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"EUR"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">5</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"USD"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">6</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"USD"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">7</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"USD"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">8</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"USD"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">9</span><span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem()); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span><span class="number">3</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); <span class="comment">// column 4</span> table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"Ex. Rate"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(titleBackground); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">-</span><span class="operator">></span>setToolTip(<span class="string">"This column shows the exchange rate to NOK"</span>); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">1</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"1"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">2</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"1"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">3</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"8"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">4</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"8"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">5</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"7"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">6</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"7"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">7</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"7"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">8</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"7"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">9</span><span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem()); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span><span class="number">4</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); <span class="comment">// column 5</span> table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"NOK"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(titleBackground); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">-</span><span class="operator">></span>setToolTip(<span class="string">"This column shows the expenses in NOK"</span>); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">-</span><span class="operator">></span>setFont(titleFont); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">1</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C2 E2"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">2</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C3 E3"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">3</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C4 E4"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">4</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C5 E5"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">5</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C6 E6"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">6</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C7 E7"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">7</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C8 E8"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">8</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"* C9 E9"</span>)); table<span class="operator">-</span><span class="operator">></span>setItem(<span class="number">9</span><span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="keyword">new</span> SpreadSheetItem(<span class="string">"sum F2 F9"</span>)); table<span class="operator">-</span><span class="operator">></span>item(<span class="number">9</span><span class="operator">,</span><span class="number">5</span>)<span class="operator">-</span><span class="operator">></span>setBackgroundColor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>lightGray); } <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>htmlText <span class="operator">=</span> <span class="string">"<HTML>"</span> <span class="string">"<p><b>This demo shows use of <c>QTableWidget</c> with custom handling for"</span> <span class="string">" individual cells.</b></p>"</span> <span class="string">"<p>Using a customized table item we make it possible to have dynamic"</span> <span class="string">" output in different cells. The content that is implemented for this"</span> <span class="string">" particular demo is:"</span> <span class="string">"<ul>"</span> <span class="string">"<li>Adding two cells.</li>"</span> <span class="string">"<li>Subtracting one cell from another.</li>"</span> <span class="string">"<li>Multiplying two cells.</li>"</span> <span class="string">"<li>Dividing one cell with another.</li>"</span> <span class="string">"<li>Summing the contents of an arbitrary number of cells.</li>"</span> <span class="string">"</HTML>"</span>; <span class="type">void</span> SpreadSheet<span class="operator">::</span>showAbout() { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>about(<span class="keyword">this</span><span class="operator">,</span> <span class="string">"About Spreadsheet"</span><span class="operator">,</span> htmlText); } <span class="type">void</span> decode_pos(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>pos<span class="operator">,</span> <span class="type">int</span> <span class="operator">*</span>row<span class="operator">,</span> <span class="type">int</span> <span class="operator">*</span>col) { <span class="keyword">if</span> (pos<span class="operator">.</span>isEmpty()) { <span class="operator">*</span>col <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>; <span class="operator">*</span>row <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>; } <span class="keyword">else</span> { <span class="operator">*</span>col <span class="operator">=</span> pos<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">.</span>toLatin1() <span class="operator">-</span> <span class="char">'A'</span>; <span class="operator">*</span>row <span class="operator">=</span> pos<span class="operator">.</span>right(pos<span class="operator">.</span>size() <span class="operator">-</span> <span class="number">1</span>)<span class="operator">.</span>toInt() <span class="operator">-</span> <span class="number">1</span>; } } <span class="type"><a href="../qtcore/qstring.html">QString</a></span> encode_pos(<span class="type">int</span> row<span class="operator">,</span> <span class="type">int</span> col) { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(col <span class="operator">+</span> <span class="char">'A'</span>) <span class="operator">+</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">::</span>number(row <span class="operator">+</span> <span class="number">1</span>); } <span class="type">void</span> SpreadSheet<span class="operator">::</span>print() { <span class="preprocessor">#if QT_CONFIG(printpreviewdialog)</span> <span class="type">QPrinter</span> printer(<span class="type">QPrinter</span><span class="operator">::</span>ScreenResolution); <span class="type">QPrintPreviewDialog</span> dlg(<span class="operator">&</span>printer); PrintView view; view<span class="operator">.</span>setModel(table<span class="operator">-</span><span class="operator">></span>model()); connect(<span class="operator">&</span>dlg<span class="operator">,</span> <span class="operator">&</span><span class="type">QPrintPreviewDialog</span><span class="operator">::</span>paintRequested<span class="operator">,</span> <span class="operator">&</span>view<span class="operator">,</span> <span class="operator">&</span>PrintView<span class="operator">::</span>print); dlg<span class="operator">.</span>exec(); <span class="preprocessor">#endif</span> } </pre> </div> <!-- @@@itemviews/spreadsheet/spreadsheet.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>