window.cpp Example File
widgets/spinboxes/window.cpp
/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech AS. All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
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#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;
QDateTimeEdit *dateEdit = new QDateTimeEdit(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;
QDateTimeEdit *timeEdit = new QDateTimeEdit(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, 13);
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);
}
