<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>mainwindow.cpp Example File | Qt Widgets 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-richtext-calendar-example.html">Calendar Example</a></td><td >mainwindow.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">mainwindow.cpp Example File</h1> <span class="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) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "mainwindow.h"</span> <span class="preprocessor">#include <QtWidgets></span> MainWindow<span class="operator">::</span>MainWindow() { selectedDate <span class="operator">=</span> <span class="type"><a href="../qtcore/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">"Date:"</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"><</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">></span>addItem(<span class="type"><a href="../qtcore/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">></span>setDisplayFormat(<span class="string">"yyyy"</span>); yearEdit<span class="operator">-</span><span class="operator">></span>setDateRange(<span class="type"><a href="../qtcore/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="../qtcore/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">></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">></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">"Font size:"</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">></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="../qtcore/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="../qtcore/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>))); fontSizeSpinBox<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">10</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">></span>addWidget(dateLabel); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(monthCombo); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(yearEdit); controlsLayout<span class="operator">-</span><span class="operator">></span>addSpacing(<span class="number">24</span>); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(fontSizeLabel); controlsLayout<span class="operator">-</span><span class="operator">></span>addWidget(fontSizeSpinBox); controlsLayout<span class="operator">-</span><span class="operator">></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">></span>addLayout(controlsLayout); centralLayout<span class="operator">-</span><span class="operator">></span>addWidget(editor<span class="operator">,</span> <span class="number">1</span>); centralWidget<span class="operator">-</span><span class="operator">></span>setLayout(centralLayout); setCentralWidget(centralWidget); } <span class="type">void</span> MainWindow<span class="operator">::</span>insertCalendar() { editor<span class="operator">-</span><span class="operator">></span>clear(); <span class="type"><a href="../qtgui/qtextcursor.html">QTextCursor</a></span> cursor <span class="operator">=</span> editor<span class="operator">-</span><span class="operator">></span>textCursor(); cursor<span class="operator">.</span>beginEditBlock(); <span class="type"><a href="../qtcore/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="../qtgui/qtexttableformat.html">QTextTableFormat</a></span> tableFormat; tableFormat<span class="operator">.</span>setAlignment(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AlignHCenter); tableFormat<span class="operator">.</span>setBackground(<span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="string">"#e0e0e0"</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="../qtcore/qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">></span> constraints; constraints <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span><span class="operator">::</span>PercentageLength<span class="operator">,</span> <span class="number">14</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="../qtgui/qtextlength.html">QTextLength</a></span>(<span class="type"><a href="../qtgui/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="../qtgui/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="../qtgui/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="../qtgui/qtextframeformat.html">QTextFrameFormat</a></span> frameFormat <span class="operator">=</span> frame<span class="operator">-</span><span class="operator">></span>frameFormat(); frameFormat<span class="operator">.</span>setBorder(<span class="number">1</span>); frame<span class="operator">-</span><span class="operator">></span>setFrameFormat(frameFormat); <span class="type"><a href="../qtgui/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="../qtgui/qtextcharformat.html">QTextCharFormat</a></span> boldFormat <span class="operator">=</span> format; boldFormat<span class="operator">.</span>setFontWeight(<span class="type"><a href="../qtgui/qfont.html">QFont</a></span><span class="operator">::</span>Bold); <span class="type"><a href="../qtgui/qtextcharformat.html">QTextCharFormat</a></span> highlightedFormat <span class="operator">=</span> boldFormat; highlightedFormat<span class="operator">.</span>setBackground(<span class="type"><a href="../qtcore/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"><</span><span class="operator">=</span> <span class="number">7</span>; <span class="operator">+</span><span class="operator">+</span>weekDay) { <span class="type"><a href="../qtgui/qtexttablecell.html">QTextTableCell</a></span> cell <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></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="../qtgui/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="../qtcore/qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(<span class="type"><a href="../qtcore/qdate.html">QDate</a></span><span class="operator">::</span>longDayName(weekDay))<span class="operator">,</span> boldFormat); } table<span class="operator">-</span><span class="operator">></span>insertRows(table<span class="operator">-</span><span class="operator">></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="../qtgui/qtexttablecell.html">QTextTableCell</a></span> cell <span class="operator">=</span> table<span class="operator">-</span><span class="operator">></span>cellAt(table<span class="operator">-</span><span class="operator">></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="../qtgui/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="../qtcore/qdate.html">QDate</a></span><span class="operator">::</span>currentDate()) cellCursor<span class="operator">.</span>insertText(<span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"%1"</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="../qtcore/qstring.html">QString</a></span>(<span class="string">"%1"</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">&</span><span class="operator">&</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">></span>insertRows(table<span class="operator">-</span><span class="operator">></span>rows()<span class="operator">,</span> <span class="number">1</span>); } cursor<span class="operator">.</span>endEditBlock(); setWindowTitle(tr(<span class="string">"Calendar for %1 %2"</span> )<span class="operator">.</span>arg(<span class="type"><a href="../qtcore/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="../qtcore/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="../qtcore/qdate.html">QDate</a></span> date) { selectedDate <span class="operator">=</span> <span class="type"><a href="../qtcore/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> </div> <!-- @@@richtext/calendar/mainwindow.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>