<?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 4.3: window.cpp Example File (widgets/spinboxes/window.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">window.cpp Example File<br /><sup><sup>widgets/spinboxes/window.cpp</sup></sup></h1> <pre><span class="comment"> /**************************************************************************** ** ** Copyright (C) 2004-2008 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 versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.1, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/</span> #include <QtGui> #include "window.h" Window::Window() { createSpinBoxes(); createDateTimeEdits(); createDoubleSpinBoxes(); QHBoxLayout *layout = new QHBoxLayout; layout->addWidget(spinBoxesGroup); layout->addWidget(editsGroup); layout->addWidget(doubleSpinBoxesGroup); setLayout(layout); setWindowTitle(tr("Spin Boxes")); } void Window::createSpinBoxes() { spinBoxesGroup = new QGroupBox(tr("Spinboxes")); QLabel *integerLabel = new QLabel(tr("Enter a value between " "%1 and %2:").arg(-20).arg(20)); QSpinBox *integerSpinBox = new QSpinBox; integerSpinBox->setRange(-20, 20); integerSpinBox->setSingleStep(1); integerSpinBox->setValue(0); QLabel *zoomLabel = new QLabel(tr("Enter a zoom value between " "%1 and %2:").arg(0).arg(1000)); QSpinBox *zoomSpinBox = new QSpinBox; zoomSpinBox->setRange(0, 1000); zoomSpinBox->setSingleStep(10); zoomSpinBox->setSuffix("%"); zoomSpinBox->setSpecialValueText(tr("Automatic")); zoomSpinBox->setValue(100); QLabel *priceLabel = new QLabel(tr("Enter a price between " "%1 and %2:").arg(0).arg(999)); QSpinBox *priceSpinBox = new QSpinBox; priceSpinBox->setRange(0, 999); priceSpinBox->setSingleStep(1); priceSpinBox->setPrefix("$"); priceSpinBox->setValue(99); QVBoxLayout *spinBoxLayout = new QVBoxLayout; spinBoxLayout->addWidget(integerLabel); spinBoxLayout->addWidget(integerSpinBox); spinBoxLayout->addWidget(zoomLabel); spinBoxLayout->addWidget(zoomSpinBox); spinBoxLayout->addWidget(priceLabel); spinBoxLayout->addWidget(priceSpinBox); spinBoxesGroup->setLayout(spinBoxLayout); } void Window::createDateTimeEdits() { editsGroup = new QGroupBox(tr("Date and time spin boxes")); QLabel *dateLabel = new QLabel; QDateEdit *dateEdit = new QDateEdit(QDate::currentDate()); dateEdit->setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31)); dateLabel->setText(tr("Appointment date (between %0 and %1):") .arg(dateEdit->minimumDate().toString(Qt::ISODate)) .arg(dateEdit->maximumDate().toString(Qt::ISODate))); QLabel *timeLabel = new QLabel; QTimeEdit *timeEdit = new QTimeEdit(QTime::currentTime()); timeEdit->setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0)); timeLabel->setText(tr("Appointment time (between %0 and %1):") .arg(timeEdit->minimumTime().toString(Qt::ISODate)) .arg(timeEdit->maximumTime().toString(Qt::ISODate))); meetingLabel = new QLabel; meetingEdit = new QDateTimeEdit(QDateTime::currentDateTime()); QLabel *formatLabel = new QLabel(tr("Format string for the meeting date " "and time:")); QComboBox *formatComboBox = new QComboBox; formatComboBox->addItem("yyyy-MM-dd hh:mm:ss (zzz 'ms')"); formatComboBox->addItem("hh:mm:ss MM/dd/yyyy"); formatComboBox->addItem("hh:mm:ss dd/MM/yyyy"); formatComboBox->addItem("hh:mm:ss"); formatComboBox->addItem("hh:mm ap"); connect(formatComboBox, SIGNAL(activated(const QString &)), this, SLOT(setFormatString(const QString &))); setFormatString(formatComboBox->currentText()); QVBoxLayout *editsLayout = new QVBoxLayout; editsLayout->addWidget(dateLabel); editsLayout->addWidget(dateEdit); editsLayout->addWidget(timeLabel); editsLayout->addWidget(timeEdit); editsLayout->addWidget(meetingLabel); editsLayout->addWidget(meetingEdit); editsLayout->addWidget(formatLabel); editsLayout->addWidget(formatComboBox); editsGroup->setLayout(editsLayout); } void Window::setFormatString(const QString &formatString) { meetingEdit->setDisplayFormat(formatString); if (meetingEdit->displayedSections() & QDateTimeEdit::DateSections_Mask) { meetingEdit->setDateRange(QDate(2004, 11, 1), QDate(2005, 11, 30)); meetingLabel->setText(tr("Meeting date (between %0 and %1):") .arg(meetingEdit->minimumDate().toString(Qt::ISODate)) .arg(meetingEdit->maximumDate().toString(Qt::ISODate))); } else { meetingEdit->setTimeRange(QTime(0, 7, 20, 0), QTime(21, 0, 0, 0)); meetingLabel->setText(tr("Meeting time (between %0 and %1):") .arg(meetingEdit->minimumTime().toString(Qt::ISODate)) .arg(meetingEdit->maximumTime().toString(Qt::ISODate))); } } void Window::createDoubleSpinBoxes() { doubleSpinBoxesGroup = new QGroupBox(tr("Double precision spinboxes")); QLabel *precisionLabel = new QLabel(tr("Number of decimal places " "to show:")); QSpinBox *precisionSpinBox = new QSpinBox; precisionSpinBox->setRange(0, 100); precisionSpinBox->setValue(2); QLabel *doubleLabel = new QLabel(tr("Enter a value between " "%1 and %2:").arg(-20).arg(20)); doubleSpinBox = new QDoubleSpinBox; doubleSpinBox->setRange(-20.0, 20.0); doubleSpinBox->setSingleStep(1.0); doubleSpinBox->setValue(0.0); QLabel *scaleLabel = new QLabel(tr("Enter a scale factor between " "%1 and %2:").arg(0).arg(1000.0)); scaleSpinBox = new QDoubleSpinBox; scaleSpinBox->setRange(0.0, 1000.0); scaleSpinBox->setSingleStep(10.0); scaleSpinBox->setSuffix("%"); scaleSpinBox->setSpecialValueText(tr("No scaling")); scaleSpinBox->setValue(100.0); QLabel *priceLabel = new QLabel(tr("Enter a price between " "%1 and %2:").arg(0).arg(1000)); priceSpinBox = new QDoubleSpinBox; priceSpinBox->setRange(0.0, 1000.0); priceSpinBox->setSingleStep(1.0); priceSpinBox->setPrefix("$"); priceSpinBox->setValue(99.99); connect(precisionSpinBox, SIGNAL(valueChanged(int)), this, SLOT(changePrecision(int))); QVBoxLayout *spinBoxLayout = new QVBoxLayout; spinBoxLayout->addWidget(precisionLabel); spinBoxLayout->addWidget(precisionSpinBox); spinBoxLayout->addWidget(doubleLabel); spinBoxLayout->addWidget(doubleSpinBox); spinBoxLayout->addWidget(scaleLabel); spinBoxLayout->addWidget(scaleSpinBox); spinBoxLayout->addWidget(priceLabel); spinBoxLayout->addWidget(priceSpinBox); doubleSpinBoxesGroup->setLayout(spinBoxLayout); } void Window::changePrecision(int decimals) { doubleSpinBox->setDecimals(decimals); scaleSpinBox->setDecimals(decimals); priceSpinBox->setDecimals(decimals); }</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2008 <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 4.3.4</div></td> </tr></table></div></address></body> </html>