Calendar widget
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#ifndef WINDOW_H
#define WINDOW_H
#include <QWidget>
QT_BEGIN_NAMESPACE
class QCalendarWidget;
class QCheckBox;
class QComboBox;
class QDate;
class QDateEdit;
class QGridLayout;
class QGroupBox;
class QLabel;
QT_END_NAMESPACE
class Window : public QWidget
{
Q_OBJECT
public:
Window();
private slots:
void localeChanged(int index);
void firstDayChanged(int index);
void selectionModeChanged(int index);
void horizontalHeaderChanged(int index);
void verticalHeaderChanged(int index);
void selectedDateChanged();
void minimumDateChanged(const QDate &date);
void maximumDateChanged(const QDate &date);
void weekdayFormatChanged();
void weekendFormatChanged();
void reformatHeaders();
void reformatCalendarPage();
private:
void createPreviewGroupBox();
void createGeneralOptionsGroupBox();
void createDatesGroupBox();
void createTextFormatsGroupBox();
QComboBox *createColorComboBox();
QGroupBox *previewGroupBox;
QGridLayout *previewLayout;
QCalendarWidget *calendar;
QGroupBox *generalOptionsGroupBox;
QLabel *localeLabel;
QLabel *firstDayLabel;
QLabel *selectionModeLabel;
QLabel *horizontalHeaderLabel;
QLabel *verticalHeaderLabel;
QComboBox *localeCombo;
QComboBox *firstDayCombo;
QComboBox *selectionModeCombo;
QCheckBox *gridCheckBox;
QCheckBox *navigationCheckBox;
QComboBox *horizontalHeaderCombo;
QComboBox *verticalHeaderCombo;
QGroupBox *datesGroupBox;
QLabel *currentDateLabel;
QLabel *minimumDateLabel;
QLabel *maximumDateLabel;
QDateEdit *currentDateEdit;
QDateEdit *minimumDateEdit;
QDateEdit *maximumDateEdit;
QGroupBox *textFormatsGroupBox;
QLabel *weekdayColorLabel;
QLabel *weekendColorLabel;
QLabel *headerTextFormatLabel;
QComboBox *weekdayColorCombo;
QComboBox *weekendColorCombo;
QComboBox *headerTextFormatCombo;
QCheckBox *firstFridayCheckBox;
QCheckBox *mayFirstCheckBox;
};
#endif
#include <QtGui>
#include "window.h"
Window::Window()
{
createPreviewGroupBox();
createGeneralOptionsGroupBox();
createDatesGroupBox();
createTextFormatsGroupBox();
QGridLayout *layout = new QGridLayout;
layout->addWidget(previewGroupBox, 0, 0);
layout->addWidget(generalOptionsGroupBox, 0, 1);
layout->addWidget(datesGroupBox, 1, 0);
layout->addWidget(textFormatsGroupBox, 1, 1);
layout->setSizeConstraint(QLayout::SetFixedSize);
setLayout(layout);
previewLayout->setRowMinimumHeight(0, calendar->sizeHint().height());
previewLayout->setColumnMinimumWidth(0, calendar->sizeHint().width());
setWindowTitle(tr("Calendar Widget"));
}
void Window::localeChanged(int index)
{
calendar->setLocale(localeCombo->itemData(index).toLocale());
}
void Window::firstDayChanged(int index)
{
calendar->setFirstDayOfWeek(Qt::DayOfWeek(
firstDayCombo->itemData(index).toInt()));
}
void Window::selectionModeChanged(int index)
{
calendar->setSelectionMode(QCalendarWidget::SelectionMode(
selectionModeCombo->itemData(index).toInt()));
}
void Window::horizontalHeaderChanged(int index)
{
calendar->setHorizontalHeaderFormat(QCalendarWidget::HorizontalHeaderFormat(
horizontalHeaderCombo->itemData(index).toInt()));
}
void Window::verticalHeaderChanged(int index)
{
calendar->setVerticalHeaderFormat(QCalendarWidget::VerticalHeaderFormat(
verticalHeaderCombo->itemData(index).toInt()));
}
void Window::selectedDateChanged()
{
currentDateEdit->setDate(calendar->selectedDate());
}
void Window::minimumDateChanged(const QDate &date)
{
calendar->setMinimumDate(date);
maximumDateEdit->setDate(calendar->maximumDate());
}
void Window::maximumDateChanged(const QDate &date)
{
calendar->setMaximumDate(date);
minimumDateEdit->setDate(calendar->minimumDate());
}
void Window::weekdayFormatChanged()
{
QTextCharFormat format;
format.setForeground(qvariant_cast<QColor>(
weekdayColorCombo->itemData(weekdayColorCombo->currentIndex())));
calendar->setWeekdayTextFormat(Qt::Monday, format);
calendar->setWeekdayTextFormat(Qt::Tuesday, format);
calendar->setWeekdayTextFormat(Qt::Wednesday, format);
calendar->setWeekdayTextFormat(Qt::Thursday, format);
calendar->setWeekdayTextFormat(Qt::Friday, format);
}
void Window::weekendFormatChanged()
{
QTextCharFormat format;
format.setForeground(qvariant_cast<QColor>(
weekendColorCombo->itemData(weekendColorCombo->currentIndex())));
calendar->setWeekdayTextFormat(Qt::Saturday, format);
calendar->setWeekdayTextFormat(Qt::Sunday, format);
}
void Window::reformatHeaders()
{
QString text = headerTextFormatCombo->currentText();
QTextCharFormat format;
if (text == tr("Bold")) {
format.setFontWeight(QFont::Bold);
} else if (text == tr("Italic")) {
format.setFontItalic(true);
} else if (text == tr("Green")) {
format.setForeground(Qt::green);
}
calendar->setHeaderTextFormat(format);
}
void Window::reformatCalendarPage()
{
QTextCharFormat mayFirstFormat;
if (mayFirstCheckBox->isChecked())
mayFirstFormat.setForeground(Qt::red);
QTextCharFormat firstFridayFormat;
if (firstFridayCheckBox->isChecked())
firstFridayFormat.setForeground(Qt::blue);
QDate date(calendar->yearShown(), calendar->monthShown(), 1);
calendar->setDateTextFormat(QDate(date.year(), 5, 1), mayFirstFormat);
date.setDate(date.year(), date.month(), 1);
while (date.dayOfWeek() != Qt::Friday)
date = date.addDays(1);
calendar->setDateTextFormat(date, firstFridayFormat);
}
void Window::createPreviewGroupBox()
{
previewGroupBox = new QGroupBox(tr("Preview"));
calendar = new QCalendarWidget;
calendar->setMinimumDate(QDate(1900, 1, 1));
calendar->setMaximumDate(QDate(3000, 1, 1));
calendar->setGridVisible(true);
connect(calendar, SIGNAL(currentPageChanged(int, int)),
this, SLOT(reformatCalendarPage()));
previewLayout = new QGridLayout;
previewLayout->addWidget(calendar, 0, 0, Qt::AlignCenter);
previewGroupBox->setLayout(previewLayout);
}
void Window::createGeneralOptionsGroupBox()
{
generalOptionsGroupBox = new QGroupBox(tr("General Options"));
localeCombo = new QComboBox;
int curLocaleIndex = -1;
int index = 0;
for (int _lang = QLocale::C; _lang <= QLocale::LastLanguage; ++_lang) {
QLocale::Language lang = static_cast<QLocale::Language>(_lang);
QList<QLocale::Country> countries = QLocale::countriesForLanguage(lang);
for (int i = 0; i < countries.count(); ++i) {
QLocale::Country country = countries.at(i);
QString label = QLocale::languageToString(lang);
label += QLatin1Char('/');
label += QLocale::countryToString(country);
QLocale locale(lang, country);
if (this->locale().language() == lang && this->locale().country() == country)
curLocaleIndex = index;
localeCombo->addItem(label, locale);
++index;
}
}
if (curLocaleIndex != -1)
localeCombo->setCurrentIndex(curLocaleIndex);
localeLabel = new QLabel(tr("&Locale"));
localeLabel->setBuddy(localeCombo);
firstDayCombo = new QComboBox;
firstDayCombo->addItem(tr("Sunday"), Qt::Sunday);
firstDayCombo->addItem(tr("Monday"), Qt::Monday);
firstDayCombo->addItem(tr("Tuesday"), Qt::Tuesday);
firstDayCombo->addItem(tr("Wednesday"), Qt::Wednesday);
firstDayCombo->addItem(tr("Thursday"), Qt::Thursday);
firstDayCombo->addItem(tr("Friday"), Qt::Friday);
firstDayCombo->addItem(tr("Saturday"), Qt::Saturday);
firstDayLabel = new QLabel(tr("Wee&k starts on:"));
firstDayLabel->setBuddy(firstDayCombo);
selectionModeCombo = new QComboBox;
selectionModeCombo->addItem(tr("Single selection"),
QCalendarWidget::SingleSelection);
selectionModeCombo->addItem(tr("None"), QCalendarWidget::NoSelection);
selectionModeLabel = new QLabel(tr("&Selection mode:"));
selectionModeLabel->setBuddy(selectionModeCombo);
gridCheckBox = new QCheckBox(tr("&Grid"));
gridCheckBox->setChecked(calendar->isGridVisible());
navigationCheckBox = new QCheckBox(tr("&Navigation bar"));
navigationCheckBox->setChecked(true);
horizontalHeaderCombo = new QComboBox;
horizontalHeaderCombo->addItem(tr("Single letter day names"),
QCalendarWidget::SingleLetterDayNames);
horizontalHeaderCombo->addItem(tr("Short day names"),
QCalendarWidget::ShortDayNames);
horizontalHeaderCombo->addItem(tr("None"),
QCalendarWidget::NoHorizontalHeader);
horizontalHeaderCombo->setCurrentIndex(1);
horizontalHeaderLabel = new QLabel(tr("&Horizontal header:"));
horizontalHeaderLabel->setBuddy(horizontalHeaderCombo);
verticalHeaderCombo = new QComboBox;
verticalHeaderCombo->addItem(tr("ISO week numbers"),
QCalendarWidget::ISOWeekNumbers);
verticalHeaderCombo->addItem(tr("None"), QCalendarWidget::NoVerticalHeader);
verticalHeaderLabel = new QLabel(tr("&Vertical header:"));
verticalHeaderLabel->setBuddy(verticalHeaderCombo);
connect(localeCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(localeChanged(int)));
connect(firstDayCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(firstDayChanged(int)));
connect(selectionModeCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(selectionModeChanged(int)));
connect(gridCheckBox, SIGNAL(toggled(bool)),
calendar, SLOT(setGridVisible(bool)));
connect(navigationCheckBox, SIGNAL(toggled(bool)),
calendar, SLOT(setNavigationBarVisible(bool)));
connect(horizontalHeaderCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(horizontalHeaderChanged(int)));
connect(verticalHeaderCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(verticalHeaderChanged(int)));
QHBoxLayout *checkBoxLayout = new QHBoxLayout;
checkBoxLayout->addWidget(gridCheckBox);
checkBoxLayout->addStretch();
checkBoxLayout->addWidget(navigationCheckBox);
QGridLayout *outerLayout = new QGridLayout;
outerLayout->addWidget(localeLabel, 0, 0);
outerLayout->addWidget(localeCombo, 0, 1);
outerLayout->addWidget(firstDayLabel, 1, 0);
outerLayout->addWidget(firstDayCombo, 1, 1);
outerLayout->addWidget(selectionModeLabel, 2, 0);
outerLayout->addWidget(selectionModeCombo, 2, 1);
outerLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
outerLayout->addWidget(horizontalHeaderLabel, 4, 0);
outerLayout->addWidget(horizontalHeaderCombo, 4, 1);
outerLayout->addWidget(verticalHeaderLabel, 5, 0);
outerLayout->addWidget(verticalHeaderCombo, 5, 1);
generalOptionsGroupBox->setLayout(outerLayout);
firstDayChanged(firstDayCombo->currentIndex());
selectionModeChanged(selectionModeCombo->currentIndex());
horizontalHeaderChanged(horizontalHeaderCombo->currentIndex());
verticalHeaderChanged(verticalHeaderCombo->currentIndex());
}
void Window::createDatesGroupBox()
{
datesGroupBox = new QGroupBox(tr("Dates"));
minimumDateEdit = new QDateEdit;
minimumDateEdit->setDisplayFormat("MMM d yyyy");
minimumDateEdit->setDateRange(calendar->minimumDate(),
calendar->maximumDate());
minimumDateEdit->setDate(calendar->minimumDate());
minimumDateLabel = new QLabel(tr("&Minimum Date:"));
minimumDateLabel->setBuddy(minimumDateEdit);
currentDateEdit = new QDateEdit;
currentDateEdit->setDisplayFormat("MMM d yyyy");
currentDateEdit->setDate(calendar->selectedDate());
currentDateEdit->setDateRange(calendar->minimumDate(),
calendar->maximumDate());
currentDateLabel = new QLabel(tr("&Current Date:"));
currentDateLabel->setBuddy(currentDateEdit);
maximumDateEdit = new QDateEdit;
maximumDateEdit->setDisplayFormat("MMM d yyyy");
maximumDateEdit->setDateRange(calendar->minimumDate(),
calendar->maximumDate());
maximumDateEdit->setDate(calendar->maximumDate());
maximumDateLabel = new QLabel(tr("Ma&ximum Date:"));
maximumDateLabel->setBuddy(maximumDateEdit);
connect(currentDateEdit, SIGNAL(dateChanged(const QDate &)),
calendar, SLOT(setSelectedDate(const QDate &)));
connect(calendar, SIGNAL(selectionChanged()),
this, SLOT(selectedDateChanged()));
connect(minimumDateEdit, SIGNAL(dateChanged(const QDate &)),
this, SLOT(minimumDateChanged(const QDate &)));
connect(maximumDateEdit, SIGNAL(dateChanged(const QDate &)),
this, SLOT(maximumDateChanged(const QDate &)));
QGridLayout *dateBoxLayout = new QGridLayout;
dateBoxLayout->addWidget(currentDateLabel, 1, 0);
dateBoxLayout->addWidget(currentDateEdit, 1, 1);
dateBoxLayout->addWidget(minimumDateLabel, 0, 0);
dateBoxLayout->addWidget(minimumDateEdit, 0, 1);
dateBoxLayout->addWidget(maximumDateLabel, 2, 0);
dateBoxLayout->addWidget(maximumDateEdit, 2, 1);
dateBoxLayout->setRowStretch(3, 1);
datesGroupBox->setLayout(dateBoxLayout);
}
void Window::createTextFormatsGroupBox()
{
textFormatsGroupBox = new QGroupBox(tr("Text Formats"));
weekdayColorCombo = createColorComboBox();
weekdayColorCombo->setCurrentIndex(
weekdayColorCombo->findText(tr("Black")));
weekdayColorLabel = new QLabel(tr("&Weekday color:"));
weekdayColorLabel->setBuddy(weekdayColorCombo);
weekendColorCombo = createColorComboBox();
weekendColorCombo->setCurrentIndex(
weekendColorCombo->findText(tr("Red")));
weekendColorLabel = new QLabel(tr("Week&end color:"));
weekendColorLabel->setBuddy(weekendColorCombo);
headerTextFormatCombo = new QComboBox;
headerTextFormatCombo->addItem(tr("Bold"));
headerTextFormatCombo->addItem(tr("Italic"));
headerTextFormatCombo->addItem(tr("Plain"));
headerTextFormatLabel = new QLabel(tr("&Header text:"));
headerTextFormatLabel->setBuddy(headerTextFormatCombo);
firstFridayCheckBox = new QCheckBox(tr("&First Friday in blue"));
mayFirstCheckBox = new QCheckBox(tr("May &1 in red"));
connect(weekdayColorCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(weekdayFormatChanged()));
connect(weekendColorCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(weekendFormatChanged()));
connect(headerTextFormatCombo, SIGNAL(currentIndexChanged(const QString &)),
this, SLOT(reformatHeaders()));
connect(firstFridayCheckBox, SIGNAL(toggled(bool)),
this, SLOT(reformatCalendarPage()));
connect(mayFirstCheckBox, SIGNAL(toggled(bool)),
this, SLOT(reformatCalendarPage()));
QHBoxLayout *checkBoxLayout = new QHBoxLayout;
checkBoxLayout->addWidget(firstFridayCheckBox);
checkBoxLayout->addStretch();
checkBoxLayout->addWidget(mayFirstCheckBox);
QGridLayout *outerLayout = new QGridLayout;
outerLayout->addWidget(weekdayColorLabel, 0, 0);
outerLayout->addWidget(weekdayColorCombo, 0, 1);
outerLayout->addWidget(weekendColorLabel, 1, 0);
outerLayout->addWidget(weekendColorCombo, 1, 1);
outerLayout->addWidget(headerTextFormatLabel, 2, 0);
outerLayout->addWidget(headerTextFormatCombo, 2, 1);
outerLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
textFormatsGroupBox->setLayout(outerLayout);
weekdayFormatChanged();
weekendFormatChanged();
reformatHeaders();
reformatCalendarPage();
}
QComboBox *Window::createColorComboBox()
{
QComboBox *comboBox = new QComboBox;
comboBox->addItem(tr("Red"), Qt::red);
comboBox->addItem(tr("Blue"), Qt::blue);
comboBox->addItem(tr("Black"), Qt::black);
comboBox->addItem(tr("Magenta"), Qt::magenta);
return comboBox;
}
#include <QtGui>
#include "window.h"
int main(int argv, char *args[])
{
QApplication app(argv, args);
Window window;
window.show();
return app.exec();
}
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