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<h1 class="title">mainwindow.cpp Example File</h1>
<span class="small-subtitle">richtext/calendar/mainwindow.cpp</span>
<!-- $$$richtext/calendar/mainwindow.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &quot;mainwindow.h&quot;</span>
MainWindow<span class="operator">::</span>MainWindow()
{
selectedDate <span class="operator">=</span> <span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>currentDate();
fontSize <span class="operator">=</span> <span class="number">10</span>;
<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>centralWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>;
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>dateLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Date:&quot;</span>));
<span class="type"><a href="qcombobox.html">QComboBox</a></span> <span class="operator">*</span>monthCombo <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
<span class="keyword">for</span> (<span class="type">int</span> month <span class="operator">=</span> <span class="number">1</span>; month <span class="operator">&lt;</span><span class="operator">=</span> <span class="number">12</span>; <span class="operator">+</span><span class="operator">+</span>month)
monthCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(<span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>longMonthName(month));
<span class="type"><a href="qdatetimeedit.html">QDateTimeEdit</a></span> <span class="operator">*</span>yearEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdatetimeedit.html">QDateTimeEdit</a></span>;
yearEdit<span class="operator">-</span><span class="operator">&gt;</span>setDisplayFormat(<span class="string">&quot;yyyy&quot;</span>);
yearEdit<span class="operator">-</span><span class="operator">&gt;</span>setDateRange(<span class="type"><a href="qdate.html">QDate</a></span>(<span class="number">1753</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>)<span class="operator">,</span> <span class="type"><a href="qdate.html">QDate</a></span>(<span class="number">8000</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>));
monthCombo<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(selectedDate<span class="operator">.</span>month() <span class="operator">-</span> <span class="number">1</span>);
yearEdit<span class="operator">-</span><span class="operator">&gt;</span>setDate(selectedDate);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>fontSizeLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">&quot;Font size:&quot;</span>));
<span class="type"><a href="qspinbox.html">QSpinBox</a></span> <span class="operator">*</span>fontSizeSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
fontSizeSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">1</span><span class="operator">,</span> <span class="number">64</span>);
editor <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextbrowser.html">QTextBrowser</a></span>;
insertCalendar();
connect(monthCombo<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(setMonth(<span class="type">int</span>)));
connect(yearEdit<span class="operator">,</span> SIGNAL(dateChanged(<span class="type"><a href="qdate.html">QDate</a></span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(setYear(<span class="type"><a href="qdate.html">QDate</a></span>)));
connect(fontSizeSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(setFontSize(<span class="type">int</span>)));
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)</span>
fontSizeSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">4</span>);
<span class="preprocessor">#else</span>
fontSizeSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">10</span>);
<span class="preprocessor">#endif</span>
<span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>controlsLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(dateLabel);
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(monthCombo);
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(yearEdit);
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addSpacing(<span class="number">24</span>);
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(fontSizeLabel);
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(fontSizeSpinBox);
controlsLayout<span class="operator">-</span><span class="operator">&gt;</span>addStretch(<span class="number">1</span>);
<span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>centralLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>;
centralLayout<span class="operator">-</span><span class="operator">&gt;</span>addLayout(controlsLayout);
centralLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(editor<span class="operator">,</span> <span class="number">1</span>);
centralWidget<span class="operator">-</span><span class="operator">&gt;</span>setLayout(centralLayout);
setCentralWidget(centralWidget);
}
<span class="type">void</span> MainWindow<span class="operator">::</span>insertCalendar()
{
editor<span class="operator">-</span><span class="operator">&gt;</span>clear();
<span class="type"><a href="qtextcursor.html">QTextCursor</a></span> cursor <span class="operator">=</span> editor<span class="operator">-</span><span class="operator">&gt;</span>textCursor();
cursor<span class="operator">.</span>beginEditBlock();
<span class="type"><a href="qdate.html">QDate</a></span> date(selectedDate<span class="operator">.</span>year()<span class="operator">,</span> selectedDate<span class="operator">.</span>month()<span class="operator">,</span> <span class="number">1</span>);
<span class="type"><a href="qtexttableformat.html">QTextTableFormat</a></span> tableFormat;
tableFormat<span class="operator">.</span>setAlignment(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignHCenter);
tableFormat<span class="operator">.</span>setBackground(<span class="type"><a href="qcolor.html">QColor</a></span>(<span class="string">&quot;#e0e0e0&quot;</span>));
tableFormat<span class="operator">.</span>setCellPadding(<span class="number">2</span>);
tableFormat<span class="operator">.</span>setCellSpacing(<span class="number">4</span>);
<span class="type"><a href="qvector.html">QVector</a></span><span class="operator">&lt;</span><span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">&gt;</span> constraints;
constraints <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>)
<span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="type"><a href="qtextlength.html">QTextLength</a></span>(<span class="type"><a href="qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>);
tableFormat<span class="operator">.</span>setColumnWidthConstraints(constraints);
<span class="type"><a href="qtexttable.html">QTextTable</a></span> <span class="operator">*</span>table <span class="operator">=</span> cursor<span class="operator">.</span>insertTable(<span class="number">1</span><span class="operator">,</span> <span class="number">7</span><span class="operator">,</span> tableFormat);
<span class="type"><a href="qtextframe.html">QTextFrame</a></span> <span class="operator">*</span>frame <span class="operator">=</span> cursor<span class="operator">.</span>currentFrame();
<span class="type"><a href="qtextframeformat.html">QTextFrameFormat</a></span> frameFormat <span class="operator">=</span> frame<span class="operator">-</span><span class="operator">&gt;</span>frameFormat();
frameFormat<span class="operator">.</span>setBorder(<span class="number">1</span>);
frame<span class="operator">-</span><span class="operator">&gt;</span>setFrameFormat(frameFormat);
<span class="type"><a href="qtextcharformat.html">QTextCharFormat</a></span> format <span class="operator">=</span> cursor<span class="operator">.</span>charFormat();
format<span class="operator">.</span>setFontPointSize(fontSize);
<span class="type"><a href="qtextcharformat.html">QTextCharFormat</a></span> boldFormat <span class="operator">=</span> format;
boldFormat<span class="operator">.</span>setFontWeight(<span class="type"><a href="qfont.html">QFont</a></span><span class="operator">::</span>Bold);
<span class="type"><a href="qtextcharformat.html">QTextCharFormat</a></span> highlightedFormat <span class="operator">=</span> boldFormat;
highlightedFormat<span class="operator">.</span>setBackground(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>yellow);
<span class="keyword">for</span> (<span class="type">int</span> weekDay <span class="operator">=</span> <span class="number">1</span>; weekDay <span class="operator">&lt;</span><span class="operator">=</span> <span class="number">7</span>; <span class="operator">+</span><span class="operator">+</span>weekDay) {
<span class="type"><a href="qtexttablecell.html">QTextTableCell</a></span> cell <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>cellAt(<span class="number">0</span><span class="operator">,</span> weekDay<span class="operator">-</span><span class="number">1</span>);
<span class="type"><a href="qtextcursor.html">QTextCursor</a></span> cellCursor <span class="operator">=</span> cell<span class="operator">.</span>firstCursorPosition();
cellCursor<span class="operator">.</span>insertText(<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="qdate.html">QDate</a></span><span class="operator">::</span>longDayName(weekDay))<span class="operator">,</span>
boldFormat);
}
table<span class="operator">-</span><span class="operator">&gt;</span>insertRows(table<span class="operator">-</span><span class="operator">&gt;</span>rows()<span class="operator">,</span> <span class="number">1</span>);
<span class="keyword">while</span> (date<span class="operator">.</span>month() <span class="operator">=</span><span class="operator">=</span> selectedDate<span class="operator">.</span>month()) {
<span class="type">int</span> weekDay <span class="operator">=</span> date<span class="operator">.</span>dayOfWeek();
<span class="type"><a href="qtexttablecell.html">QTextTableCell</a></span> cell <span class="operator">=</span> table<span class="operator">-</span><span class="operator">&gt;</span>cellAt(table<span class="operator">-</span><span class="operator">&gt;</span>rows()<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> weekDay<span class="operator">-</span><span class="number">1</span>);
<span class="type"><a href="qtextcursor.html">QTextCursor</a></span> cellCursor <span class="operator">=</span> cell<span class="operator">.</span>firstCursorPosition();
<span class="keyword">if</span> (date <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>currentDate())
cellCursor<span class="operator">.</span>insertText(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;%1&quot;</span>)<span class="operator">.</span>arg(date<span class="operator">.</span>day())<span class="operator">,</span> highlightedFormat);
<span class="keyword">else</span>
cellCursor<span class="operator">.</span>insertText(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;%1&quot;</span>)<span class="operator">.</span>arg(date<span class="operator">.</span>day())<span class="operator">,</span> format);
date <span class="operator">=</span> date<span class="operator">.</span>addDays(<span class="number">1</span>);
<span class="keyword">if</span> (weekDay <span class="operator">=</span><span class="operator">=</span> <span class="number">7</span> <span class="operator">&amp;</span><span class="operator">&amp;</span> date<span class="operator">.</span>month() <span class="operator">=</span><span class="operator">=</span> selectedDate<span class="operator">.</span>month())
table<span class="operator">-</span><span class="operator">&gt;</span>insertRows(table<span class="operator">-</span><span class="operator">&gt;</span>rows()<span class="operator">,</span> <span class="number">1</span>);
}
cursor<span class="operator">.</span>endEditBlock();
setWindowTitle(tr(<span class="string">&quot;Calendar for %1 %2&quot;</span>
)<span class="operator">.</span>arg(<span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>longMonthName(selectedDate<span class="operator">.</span>month())
)<span class="operator">.</span>arg(selectedDate<span class="operator">.</span>year()));
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setFontSize(<span class="type">int</span> size)
{
fontSize <span class="operator">=</span> size;
insertCalendar();
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setMonth(<span class="type">int</span> month)
{
selectedDate <span class="operator">=</span> <span class="type"><a href="qdate.html">QDate</a></span>(selectedDate<span class="operator">.</span>year()<span class="operator">,</span> month <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> selectedDate<span class="operator">.</span>day());
insertCalendar();
}
<span class="type">void</span> MainWindow<span class="operator">::</span>setYear(<span class="type"><a href="qdate.html">QDate</a></span> date)
{
selectedDate <span class="operator">=</span> <span class="type"><a href="qdate.html">QDate</a></span>(date<span class="operator">.</span>year()<span class="operator">,</span> selectedDate<span class="operator">.</span>month()<span class="operator">,</span> selectedDate<span class="operator">.</span>day());
insertCalendar();
}</pre>
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<!-- @@@richtext/calendar/mainwindow.cpp -->
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