<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Qt 4.2: mainwindow.cpp Example File (richtext/calendar/mainwindow.cpp)</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">mainwindow.cpp Example File<br /><sup><sup>richtext/calendar/mainwindow.cpp</sup></sup></h1> <pre> /**************************************************************************** ** ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of ** this file. Please review the following information to ensure GNU ** General Public Licensing requirements will be met: ** http:<span class="comment">//www.trolltech.com/products/qt/opensource.html</span> ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http:<span class="comment">//www.trolltech.com/products/qt/licensing.html or contact the</span> ** sales department at sales@trolltech.com. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include <QtGui> #include "mainwindow.h" MainWindow::MainWindow() { selectedDate = QDate::currentDate(); fontSize = 10; QWidget *centralWidget = new QWidget; QLabel *dateLabel = new QLabel(tr("Date:")); QComboBox *monthCombo = new QComboBox; for (int month = 1; month <= 12; ++month) monthCombo->addItem(QDate::longMonthName(month)); QDateTimeEdit *yearEdit = new QDateTimeEdit; yearEdit->setDisplayFormat("yyyy"); yearEdit->setDateRange(QDate(1753, 1, 1), QDate(8000, 1, 1)); monthCombo->setCurrentIndex(selectedDate.month() - 1); yearEdit->setDate(selectedDate); QLabel *fontSizeLabel = new QLabel(tr("Font size:")); QSpinBox *fontSizeSpinBox = new QSpinBox; fontSizeSpinBox->setRange(1, 64); fontSizeSpinBox->setValue(10); editor = new QTextBrowser; insertCalendar(); connect(monthCombo, SIGNAL(activated(int)), this, SLOT(setMonth(int))); connect(yearEdit, SIGNAL(dateChanged(QDate)), this, SLOT(setYear(QDate))); connect(fontSizeSpinBox, SIGNAL(valueChanged(int)), this, SLOT(setFontSize(int))); QHBoxLayout *controlsLayout = new QHBoxLayout; controlsLayout->addWidget(dateLabel); controlsLayout->addWidget(monthCombo); controlsLayout->addWidget(yearEdit); controlsLayout->addSpacing(24); controlsLayout->addWidget(fontSizeLabel); controlsLayout->addWidget(fontSizeSpinBox); controlsLayout->addStretch(1); QVBoxLayout *centralLayout = new QVBoxLayout; centralLayout->addLayout(controlsLayout); centralLayout->addWidget(editor, 1); centralWidget->setLayout(centralLayout); setCentralWidget(centralWidget); } void MainWindow::insertCalendar() { editor->clear(); QTextCursor cursor = editor->textCursor(); QDate date(selectedDate.year(), selectedDate.month(), 1); QTextTableFormat tableFormat; tableFormat.setAlignment(Qt::AlignHCenter); tableFormat.setBackground(QColor("#e0e0e0")); tableFormat.setCellPadding(2); tableFormat.setCellSpacing(4); QVector<QTextLength> constraints; constraints << QTextLength(QTextLength::PercentageLength, 14) << QTextLength(QTextLength::PercentageLength, 14) << QTextLength(QTextLength::PercentageLength, 14) << QTextLength(QTextLength::PercentageLength, 14) << QTextLength(QTextLength::PercentageLength, 14) << QTextLength(QTextLength::PercentageLength, 14) << QTextLength(QTextLength::PercentageLength, 14); tableFormat.setColumnWidthConstraints(constraints); QTextTable *table = cursor.insertTable(1, 7, tableFormat); QTextFrame *frame = cursor.currentFrame(); QTextFrameFormat frameFormat = frame->frameFormat(); frameFormat.setBorder(1); frame->setFrameFormat(frameFormat); QTextCharFormat format = cursor.charFormat(); format.setFontPointSize(fontSize); QTextCharFormat boldFormat = format; boldFormat.setFontWeight(QFont::Bold); QTextCharFormat highlightedFormat = boldFormat; highlightedFormat.setBackground(Qt::yellow); for (int weekDay = 1; weekDay <= 7; ++weekDay) { QTextTableCell cell = table->cellAt(0, weekDay-1); QTextCursor cellCursor = cell.firstCursorPosition(); cellCursor.insertText(QString("%1").arg(QDate::longDayName(weekDay)), boldFormat); } table->insertRows(table->rows(), 1); while (date.month() == selectedDate.month()) { int weekDay = date.dayOfWeek(); QTextTableCell cell = table->cellAt(table->rows()-1, weekDay-1); QTextCursor cellCursor = cell.firstCursorPosition(); if (date == QDate::currentDate()) cellCursor.insertText(QString("%1").arg(date.day()), highlightedFormat); else cellCursor.insertText(QString("%1").arg(date.day()), format); date = date.addDays(1); if (weekDay == 7 && date.month() == selectedDate.month()) table->insertRows(table->rows(), 1); } setWindowTitle(tr("Calendar for %1 %2" ).arg(QDate::longMonthName(selectedDate.month()) ).arg(selectedDate.year())); } void MainWindow::setFontSize(int size) { fontSize = size; insertCalendar(); } void MainWindow::setMonth(int month) { selectedDate = QDate(selectedDate.year(), month + 1, selectedDate.day()); insertCalendar(); } void MainWindow::setYear(QDate date) { selectedDate = QDate(date.year(), selectedDate.month(), selectedDate.day()); insertCalendar(); }</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.2.1</div></td> </tr></table></div></address></body> </html>