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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">window.cpp Example File<br /><small><small>widgets/spinboxes/window.cpp</small></small></h1>

<pre>  /****************************************************************************

** This file is part of the documentation of the Qt Toolkit.

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

** This file may be distributed and/or modified under the terms of the

** GNU General Public License version 2 as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL included in the

** packaging of this file.

** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

** information about Qt Commercial License Agreements.

** See http://www.trolltech.com/qpl/ for QPL licensing information.

** See http://www.trolltech.com/gpl/ for GPL licensing information.

** Contact info@trolltech.com if any conditions of this licensing are

** not clear to you.

** 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 "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);

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spinBoxLayout->addWidget(priceLabel);

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spinBoxLayout->addWidget(priceSpinBox);

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spinBoxesGroup->setLayout(spinBoxLayout);

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}

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void Window::createDateTimeEdits()

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{

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editsGroup = new QGroupBox(tr("Date and time spin boxes"));

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QLabel *dateLabel = new QLabel;

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QDateTimeEdit *dateEdit = new QDateTimeEdit(QDate::currentDate());

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dateEdit->setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31));

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dateLabel->setText(tr("Appointment date (between %0 and %1):")

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.arg(dateEdit->minimumDate().toString(Qt::ISODate))

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.arg(dateEdit->maximumDate().toString(Qt::ISODate)));

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QLabel *timeLabel = new QLabel;

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QDateTimeEdit *timeEdit = new QDateTimeEdit(QTime::currentTime());

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timeEdit->setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0));

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timeLabel->setText(tr("Appointment time (between %0 and %1):")

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.arg(timeEdit->minimumTime().toString(Qt::ISODate))

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.arg(timeEdit->maximumTime().toString(Qt::ISODate)));

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meetingLabel = new QLabel;

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meetingEdit = new QDateTimeEdit(QDateTime::currentDateTime());

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QLabel *formatLabel = new QLabel(tr("Format string for the meeting date "

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"and time:"));

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QComboBox *formatComboBox = new QComboBox;

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formatComboBox->addItem("yyyy-MM-dd hh:mm:ss (zzz ms)");

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formatComboBox->addItem("hh:mm:ss MM/dd/yyyy");

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formatComboBox->addItem("hh:mm:ss dd/MM/yyyy");

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formatComboBox->addItem("hh:mm:ss");

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formatComboBox->addItem("hh:mm ap");

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connect(formatComboBox, SIGNAL(activated(const QString &)),

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this, SLOT(setFormatString(const QString &)));

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setFormatString(formatComboBox->currentText());

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QVBoxLayout *editsLayout = new QVBoxLayout;

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editsLayout->addWidget(dateLabel);

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editsLayout->addWidget(dateEdit);

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editsLayout->addWidget(timeLabel);

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editsLayout->addWidget(timeEdit);

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editsLayout->addWidget(meetingLabel);

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editsLayout->addWidget(meetingEdit);

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editsLayout->addWidget(formatLabel);

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editsLayout->addWidget(formatComboBox);

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editsGroup->setLayout(editsLayout);

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}

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void Window::setFormatString(const QString &formatString)

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{

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meetingEdit->setDisplayFormat(formatString);

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if (meetingEdit->displayedSections() & QDateTimeEdit::DateSections_Mask) {

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meetingEdit->setDateRange(QDate(2004, 11, 1), QDate(2005, 11, 30));

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meetingLabel->setText(tr("Meeting date (between %0 and %1):")

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.arg(meetingEdit->minimumDate().toString(Qt::ISODate))

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.arg(meetingEdit->maximumDate().toString(Qt::ISODate)));

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} else {

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meetingEdit->setTimeRange(QTime(0, 7, 20, 0), QTime(21, 0, 0, 0));

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meetingLabel->setText(tr("Meeting time (between %0 and %1):")

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.arg(meetingEdit->minimumTime().toString(Qt::ISODate))

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.arg(meetingEdit->maximumTime().toString(Qt::ISODate)));

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}

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}

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void Window::createDoubleSpinBoxes()

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{

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doubleSpinBoxesGroup = new QGroupBox(tr("Double precision spinboxes"));

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QLabel *precisionLabel = new QLabel(tr("Number of decimal places "

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"to show:"));

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QSpinBox *precisionSpinBox = new QSpinBox;

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precisionSpinBox->setRange(0, 14);

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precisionSpinBox->setValue(2);

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QLabel *doubleLabel = new QLabel(tr("Enter a value between "

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"%1 and %2:").arg(-20).arg(20));

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doubleSpinBox = new QDoubleSpinBox;

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doubleSpinBox->setRange(-20.0, 20.0);

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doubleSpinBox->setSingleStep(1.0);

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doubleSpinBox->setValue(0.0);

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QLabel *scaleLabel = new QLabel(tr("Enter a scale factor between "

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"%1 and %2:").arg(0).arg(1000.0));

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scaleSpinBox = new QDoubleSpinBox;

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scaleSpinBox->setRange(0.0, 1000.0);

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scaleSpinBox->setSingleStep(10.0);

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scaleSpinBox->setSuffix("%");

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scaleSpinBox->setSpecialValueText(tr("No scaling"));

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scaleSpinBox->setValue(100.0);

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QLabel *priceLabel = new QLabel(tr("Enter a price between "

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"%1 and %2:").arg(0).arg(1000));

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priceSpinBox = new QDoubleSpinBox;

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priceSpinBox->setRange(0.0, 1000.0);

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priceSpinBox->setSingleStep(1.0);

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priceSpinBox->setPrefix("$");

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priceSpinBox->setValue(99.99);

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connect(precisionSpinBox, SIGNAL(valueChanged(int)),

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this, SLOT(changePrecision(int)));

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QVBoxLayout *spinBoxLayout = new QVBoxLayout;

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spinBoxLayout->addWidget(precisionLabel);

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spinBoxLayout->addWidget(precisionSpinBox);

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spinBoxLayout->addWidget(doubleLabel);

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spinBoxLayout->addWidget(doubleSpinBox);

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spinBoxLayout->addWidget(scaleLabel);

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spinBoxLayout->addWidget(scaleSpinBox);

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spinBoxLayout->addWidget(priceLabel);

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spinBoxLayout->addWidget(priceSpinBox);

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doubleSpinBoxesGroup->setLayout(spinBoxLayout);

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}

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void Window::changePrecision(int decimals)

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{

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doubleSpinBox->setDecimals(decimals);

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scaleSpinBox->setDecimals(decimals);

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priceSpinBox->setDecimals(decimals);

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}</pre>

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