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qt4-x11/doc/html/demos-spreadsheet-spreadsheet-cpp.html
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<h1 class="title">spreadsheet.cpp Example File</h1>
<span class="small-subtitle">demos/spreadsheet/spreadsheet.cpp</span>
<!-- $$$demos/spreadsheet/spreadsheet.cpp-description -->
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<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &quot;spreadsheet.h&quot;</span>
<span class="preprocessor">#include &quot;spreadsheetdelegate.h&quot;</span>
<span class="preprocessor">#include &quot;spreadsheetitem.h&quot;</span>
<span class="preprocessor">#include &quot;printview.h&quot;</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">&gt;</span>setMinimumSize(<span class="number">80</span><span class="operator">,</span> <span class="number">0</span>);
toolBar<span class="operator">-</span><span class="operator">&gt;</span>addWidget(cellLabel);
toolBar<span class="operator">-</span><span class="operator">&gt;</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>);
<span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> <span class="number">0</span>; c <span class="operator">&lt;</span> cols; <span class="operator">+</span><span class="operator">+</span>c) {
<span class="type"><a href="qstring.html">QString</a></span> character(<span class="type"><a href="qchar.html">QChar</a></span>(<span class="char">'A'</span> <span class="operator">+</span> c));
table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>setItemPrototype(table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</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> SIGNAL(currentItemChanged(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(updateStatus(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>)));
connect(table<span class="operator">,</span> SIGNAL(currentItemChanged(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(updateColor(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>)));
connect(table<span class="operator">,</span> SIGNAL(currentItemChanged(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(updateLineEdit(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>)));
connect(table<span class="operator">,</span> SIGNAL(itemChanged(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(updateStatus(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>)));
connect(formulaInput<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(returnPressed()));
connect(table<span class="operator">,</span> SIGNAL(itemChanged(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(updateLineEdit(<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span>)));
setWindowTitle(tr(<span class="string">&quot;Spreadsheet&quot;</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">&quot;Sum&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(cell_sumAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;&amp;Add&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
cell_addAction<span class="operator">-</span><span class="operator">&gt;</span>setShortcut(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Plus);
connect(cell_addAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;&amp;Subtract&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
cell_subAction<span class="operator">-</span><span class="operator">&gt;</span>setShortcut(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Minus);
connect(cell_subAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;&amp;Multiply&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
cell_mulAction<span class="operator">-</span><span class="operator">&gt;</span>setShortcut(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_multiply);
connect(cell_mulAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;&amp;Divide&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
cell_divAction<span class="operator">-</span><span class="operator">&gt;</span>setShortcut(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_division);
connect(cell_divAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;Font...&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
fontAction<span class="operator">-</span><span class="operator">&gt;</span>setShortcut(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CTRL <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F);
connect(fontAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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="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">&quot;Background &amp;Color...&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(colorAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;Clear&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
clearAction<span class="operator">-</span><span class="operator">&gt;</span>setShortcut(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Delete);
connect(clearAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;About Spreadsheet&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(aboutSpreadSheet<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&quot;E&amp;xit&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(exitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(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">&quot;&amp;Print&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(printAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(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">&gt;</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">&gt;</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">&gt;</span>addMenu(tr(<span class="string">&quot;&amp;File&quot;</span>));
fileMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(printAction);
fileMenu<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>addMenu(tr(<span class="string">&quot;&amp;Cell&quot;</span>));
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(cell_addAction);
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(cell_subAction);
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(cell_mulAction);
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(cell_divAction);
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(cell_sumAction);
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addSeparator();
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(colorAction);
cellMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(fontAction);
menuBar()<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>addMenu(tr(<span class="string">&quot;&amp;Help&quot;</span>));
aboutMenu<span class="operator">-</span><span class="operator">&gt;</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">&amp;</span><span class="operator">&amp;</span> item <span class="operator">=</span><span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>currentItem()) {
statusBar()<span class="operator">-</span><span class="operator">&gt;</span>showMessage(item<span class="operator">-</span><span class="operator">&gt;</span>data(<span class="type"><a href="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">&gt;</span>setText(tr(<span class="string">&quot;Cell: (%1)&quot;</span>)<span class="operator">.</span>arg(encode_pos(table<span class="operator">-</span><span class="operator">&gt;</span>row(item)<span class="operator">,</span>
table<span class="operator">-</span><span class="operator">&gt;</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="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="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">&gt;</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="qpainter.html">QPainter</a></span> pt(<span class="operator">&amp;</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="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="qpoint.html">QPoint</a></span> lightFrame<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="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="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="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="qpoint.html">QPoint</a></span> darkFrame<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="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="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="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">&gt;</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">&gt;</span>currentItem())
<span class="keyword">return</span>;
<span class="keyword">if</span> (item)
formulaInput<span class="operator">-</span><span class="operator">&gt;</span>setText(item<span class="operator">-</span><span class="operator">&gt;</span>data(<span class="type"><a href="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">&gt;</span>clear();
}
<span class="type">void</span> SpreadSheet<span class="operator">::</span>returnPressed()
{
<span class="type"><a href="qstring.html">QString</a></span> text <span class="operator">=</span> formulaInput<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type">int</span> row <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>currentRow();
<span class="type">int</span> col <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</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">&gt;</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">&gt;</span>setData(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>EditRole<span class="operator">,</span> text);
table<span class="operator">-</span><span class="operator">&gt;</span>viewport()<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>currentItem();
<span class="type"><a href="qcolor.html">QColor</a></span> col <span class="operator">=</span> item <span class="operator">?</span> item<span class="operator">-</span><span class="operator">&gt;</span>backgroundColor() : table<span class="operator">-</span><span class="operator">&gt;</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="qlist.html">QList</a></span><span class="operator">&lt;</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">&gt;</span> selected <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>setBackgroundColor(col);
updateColor(table<span class="operator">-</span><span class="operator">&gt;</span>currentItem());
}
<span class="type">void</span> SpreadSheet<span class="operator">::</span>selectFont()
{
<span class="type"><a href="qlist.html">QList</a></span><span class="operator">&lt;</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">&gt;</span> selected <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</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>;
<span class="type">bool</span> ok <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type"><a href="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">&amp;</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">&gt;</span>setFont(fnt);
}
<span class="type">bool</span> SpreadSheet<span class="operator">::</span>runInputDialog(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>title<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>c1Text<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>c2Text<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>opText<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>outText<span class="operator">,</span>
<span class="type"><a href="qstring.html">QString</a></span> <span class="operator">*</span>cell1<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">*</span>cell2<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">*</span>outCell)
{
<span class="type"><a href="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">&lt;</span> table<span class="operator">-</span><span class="operator">&gt;</span>columnCount(); <span class="operator">+</span><span class="operator">+</span>c)
cols <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="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">&lt;</span> table<span class="operator">-</span><span class="operator">&gt;</span>rowCount(); <span class="operator">+</span><span class="operator">+</span>r)
rows <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="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">&amp;</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">&amp;</span>group);
<span class="type"><a href="qcombobox.html">QComboBox</a></span> cell1RowInput(<span class="operator">&amp;</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">&amp;</span>c1Row<span class="operator">,</span> <span class="operator">&amp;</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">&amp;</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">&amp;</span>group);
operatorLabel<span class="operator">.</span>setAlignment(<span class="type"><a href="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">&amp;</span>group);
<span class="type"><a href="qcombobox.html">QComboBox</a></span> cell2RowInput(<span class="operator">&amp;</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">&amp;</span>c2Row<span class="operator">,</span> <span class="operator">&amp;</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">&amp;</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">&quot;=&quot;</span><span class="operator">,</span> <span class="operator">&amp;</span>group);
equalsLabel<span class="operator">.</span>setAlignment(<span class="type"><a href="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">&amp;</span>group);
<span class="type"><a href="qcombobox.html">QComboBox</a></span> outRowInput(<span class="operator">&amp;</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">&amp;</span>outRow<span class="operator">,</span> <span class="operator">&amp;</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">&amp;</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">&quot;Cancel&quot;</span>)<span class="operator">,</span> <span class="operator">&amp;</span>addDialog);
connect(<span class="operator">&amp;</span>cancelButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="operator">&amp;</span>addDialog<span class="operator">,</span> SLOT(reject()));
<span class="type"><a href="qpushbutton.html">QPushButton</a></span> okButton(tr(<span class="string">&quot;OK&quot;</span>)<span class="operator">,</span> <span class="operator">&amp;</span>addDialog);
okButton<span class="operator">.</span>setDefault(<span class="keyword">true</span>);
connect(<span class="operator">&amp;</span>okButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> <span class="operator">&amp;</span>addDialog<span class="operator">,</span> SLOT(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">&gt;</span>addStretch(<span class="number">1</span>);
buttonsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>okButton);
buttonsLayout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
buttonsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</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">&amp;</span>addDialog);
dialogLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>group);
dialogLayout<span class="operator">-</span><span class="operator">&gt;</span>addStretch(<span class="number">1</span>);
dialogLayout<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>addWidget(<span class="operator">&amp;</span>cell1Label);
cell1Layout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
cell1Layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>cell1ColInput);
cell1Layout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
cell1Layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</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">&gt;</span>addWidget(<span class="operator">&amp;</span>cell2Label);
cell2Layout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
cell2Layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>cell2ColInput);
cell2Layout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
cell2Layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</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">&gt;</span>addWidget(<span class="operator">&amp;</span>outLabel);
outLayout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
outLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>outColInput);
outLayout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">10</span>);
outLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</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">&amp;</span>group);
vLayout<span class="operator">-</span><span class="operator">&gt;</span>addItem(cell1Layout);
vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>operatorLabel);
vLayout<span class="operator">-</span><span class="operator">&gt;</span>addItem(cell2Layout);
vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(<span class="operator">&amp;</span>equalsLabel);
vLayout<span class="operator">-</span><span class="operator">&gt;</span>addStretch(<span class="number">1</span>);
vLayout<span class="operator">-</span><span class="operator">&gt;</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="qlist.html">QList</a></span><span class="operator">&lt;</span><span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span><span class="operator">*</span><span class="operator">&gt;</span> selected <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>row(first);
row_last <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>row(last);
col_first <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>column(first);
col_last <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>currentItem();
<span class="keyword">if</span> (current) {
row_cur <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>row(current);
col_cur <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>column(current);
}
<span class="type"><a href="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="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="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">&quot;Sum cells&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;First cell:&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;Last cell:&quot;</span>)<span class="operator">,</span>
<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;%1&quot;</span>)<span class="operator">.</span>arg(<span class="type"><a href="qchar.html">QChar</a></span>(<span class="number">0x03a3</span>))<span class="operator">,</span> tr(<span class="string">&quot;Output to:&quot;</span>)<span class="operator">,</span>
<span class="operator">&amp;</span>cell1<span class="operator">,</span> <span class="operator">&amp;</span>cell2<span class="operator">,</span> <span class="operator">&amp;</span>out)) {
<span class="type">int</span> row<span class="operator">,</span> col;
decode_pos(out<span class="operator">,</span> <span class="operator">&amp;</span>row<span class="operator">,</span> <span class="operator">&amp;</span>col);
table<span class="operator">-</span><span class="operator">&gt;</span>item(row<span class="operator">,</span> col)<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;sum %1 %2&quot;</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="qstring.html">QString</a></span> <span class="operator">&amp;</span>title<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>op)
{
<span class="type"><a href="qstring.html">QString</a></span> cell1 <span class="operator">=</span> <span class="string">&quot;C1&quot;</span>;
<span class="type"><a href="qstring.html">QString</a></span> cell2 <span class="operator">=</span> <span class="string">&quot;C2&quot;</span>;
<span class="type"><a href="qstring.html">QString</a></span> out <span class="operator">=</span> <span class="string">&quot;C3&quot;</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">&gt;</span>currentItem();
<span class="keyword">if</span> (current)
out <span class="operator">=</span> encode_pos(table<span class="operator">-</span><span class="operator">&gt;</span>currentRow()<span class="operator">,</span> table<span class="operator">-</span><span class="operator">&gt;</span>currentColumn());
<span class="keyword">if</span> (runInputDialog(title<span class="operator">,</span> tr(<span class="string">&quot;Cell 1&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;Cell 2&quot;</span>)<span class="operator">,</span> op<span class="operator">,</span> tr(<span class="string">&quot;Output to:&quot;</span>)<span class="operator">,</span>
<span class="operator">&amp;</span>cell1<span class="operator">,</span> <span class="operator">&amp;</span>cell2<span class="operator">,</span> <span class="operator">&amp;</span>out)) {
<span class="type">int</span> row<span class="operator">,</span> col;
decode_pos(out<span class="operator">,</span> <span class="operator">&amp;</span>row<span class="operator">,</span> <span class="operator">&amp;</span>col);
table<span class="operator">-</span><span class="operator">&gt;</span>item(row<span class="operator">,</span> col)<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;%1 %2 %3&quot;</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">&quot;Addition&quot;</span>)<span class="operator">,</span> <span class="string">&quot;+&quot;</span>);
}
<span class="type">void</span> SpreadSheet<span class="operator">::</span>actionSubtract()
{
actionMath_helper(tr(<span class="string">&quot;Subtraction&quot;</span>)<span class="operator">,</span> <span class="string">&quot;-&quot;</span>);
}
<span class="type">void</span> SpreadSheet<span class="operator">::</span>actionMultiply()
{
actionMath_helper(tr(<span class="string">&quot;Multiplication&quot;</span>)<span class="operator">,</span> <span class="string">&quot;*&quot;</span>);
}
<span class="type">void</span> SpreadSheet<span class="operator">::</span>actionDivide()
{
actionMath_helper(tr(<span class="string">&quot;Division&quot;</span>)<span class="operator">,</span> <span class="string">&quot;/&quot;</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">&gt;</span>selectedItems())
i<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="string">&quot;&quot;</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="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="qcolor.html">QColor</a></span> titleBackground(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
<span class="type"><a href="qfont.html">QFont</a></span> titleFont <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</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">&quot;Item&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(titleBackground);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(<span class="string">&quot;This column shows the purchased item/service&quot;</span>);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;AirportBus&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Flight (Munich)&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Lunch&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Flight (LA)&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Taxi&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Dinner&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Hotel&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Flight (Oslo)&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Total:&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
<span class="comment">// column 1</span>
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Date&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(titleBackground);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(<span class="string">&quot;This column shows the purchase date, double click to change&quot;</span>);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;15/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;15/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;15/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;21/5/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;16/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;16/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;16/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;18/6/2006&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
<span class="comment">// column 2</span>
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Price&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(titleBackground);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(<span class="string">&quot;This column shows the price of the purchase&quot;</span>);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;150&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;2350&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;-14&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;980&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;5&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;120&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;300&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;1240&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>item(<span class="number">9</span><span class="operator">,</span> <span class="number">2</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
<span class="comment">// column 3</span>
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Currency&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(titleBackground);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span>)<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(<span class="string">&quot;This column shows the currency&quot;</span>);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">3</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;NOK&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;NOK&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;EUR&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;EUR&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;USD&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;USD&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;USD&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;USD&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>item(<span class="number">9</span><span class="operator">,</span><span class="number">3</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
<span class="comment">// column 4</span>
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;Ex. Rate&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(titleBackground);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(<span class="string">&quot;This column shows the exchange rate to NOK&quot;</span>);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">4</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;1&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;1&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;8&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;8&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;7&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;7&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;7&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;7&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>item(<span class="number">9</span><span class="operator">,</span><span class="number">4</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>lightGray);
<span class="comment">// column 5</span>
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;NOK&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(titleBackground);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">-</span><span class="operator">&gt;</span>setToolTip(<span class="string">&quot;This column shows the expenses in NOK&quot;</span>);
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">0</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">-</span><span class="operator">&gt;</span>setFont(titleFont);
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C2 E2&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C3 E3&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C4 E4&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C5 E5&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C6 E6&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C7 E7&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C8 E8&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;* C9 E9&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</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">&quot;sum F2 F9&quot;</span>));
table<span class="operator">-</span><span class="operator">&gt;</span>item(<span class="number">9</span><span class="operator">,</span><span class="number">5</span>)<span class="operator">-</span><span class="operator">&gt;</span>setBackgroundColor(<span class="type"><a href="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">&quot;&lt;HTML&gt;&quot;</span>
<span class="string">&quot;&lt;p&gt;&lt;b&gt;This demo shows use of &lt;c&gt;QTableWidget&lt;/c&gt; with custom handling for&quot;</span>
<span class="string">&quot; individual cells.&lt;/b&gt;&lt;/p&gt;&quot;</span>
<span class="string">&quot;&lt;p&gt;Using a customized table item we make it possible to have dynamic&quot;</span>
<span class="string">&quot; output in different cells. The content that is implemented for this&quot;</span>
<span class="string">&quot; particular demo is:&quot;</span>
<span class="string">&quot;&lt;ul&gt;&quot;</span>
<span class="string">&quot;&lt;li&gt;Adding two cells.&lt;/li&gt;&quot;</span>
<span class="string">&quot;&lt;li&gt;Subtracting one cell from another.&lt;/li&gt;&quot;</span>
<span class="string">&quot;&lt;li&gt;Multiplying two cells.&lt;/li&gt;&quot;</span>
<span class="string">&quot;&lt;li&gt;Dividing one cell with another.&lt;/li&gt;&quot;</span>
<span class="string">&quot;&lt;li&gt;Summing the contents of an arbitrary number of cells.&lt;/li&gt;&quot;</span>
<span class="string">&quot;&lt;/HTML&gt;&quot;</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">&quot;About Spreadsheet&quot;</span><span class="operator">,</span> htmlText);
}
<span class="type">void</span> decode_pos(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</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="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="qstring.html">QString</a></span>(col <span class="operator">+</span> <span class="char">'A'</span>) <span class="operator">+</span> <span class="type"><a href="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">#ifndef QT_NO_PRINTER</span>
<span class="type"><a href="qprinter.html">QPrinter</a></span> printer(<span class="type"><a href="qprinter.html">QPrinter</a></span><span class="operator">::</span>ScreenResolution);
<span class="type"><a href="qprintpreviewdialog.html">QPrintPreviewDialog</a></span> dlg(<span class="operator">&amp;</span>printer);
PrintView view;
view<span class="operator">.</span>setModel(table<span class="operator">-</span><span class="operator">&gt;</span>model());
connect(<span class="operator">&amp;</span>dlg<span class="operator">,</span> SIGNAL(paintRequested(<span class="type"><a href="qprinter.html">QPrinter</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="operator">&amp;</span>view<span class="operator">,</span> SLOT(print(<span class="type"><a href="qprinter.html">QPrinter</a></span><span class="operator">*</span>)));
dlg<span class="operator">.</span>exec();
<span class="preprocessor">#endif</span>
}</pre>
</div>
<!-- @@@demos/spreadsheet/spreadsheet.cpp -->
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