window.cpp Example File

widgets/calendarwidget/window.cpp
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#include <QtWidgets> #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) { const QLocale newLocale(localeCombo->itemData(index).toLocale()); calendar->setLocale(newLocale); int newLocaleFirstDayIndex = firstDayCombo->findData(newLocale.firstDayOfWeek()); firstDayCombo->setCurrentIndex(newLocaleFirstDayIndex); } 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; const QDate mayFirst(calendar->yearShown(), 5, 1); QTextCharFormat firstFridayFormat; QDate firstFriday(calendar->yearShown(), calendar->monthShown(), 1); while (firstFriday.dayOfWeek() != Qt::Friday) firstFriday = firstFriday.addDays(1); if (firstFridayCheckBox->isChecked()) { firstFridayFormat.setForeground(Qt::blue); } else { // Revert to regular colour for this day of the week. Qt::DayOfWeek dayOfWeek(static_cast<Qt::DayOfWeek>(firstFriday.dayOfWeek())); firstFridayFormat.setForeground(calendar->weekdayTextFormat(dayOfWeek).foreground()); } calendar->setDateTextFormat(firstFriday, firstFridayFormat); // When it is checked, "May First in Red" always takes precedence over "First Friday in Blue". if (mayFirstCheckBox->isChecked()) { mayFirstFormat.setForeground(Qt::red); } else if (!firstFridayCheckBox->isChecked() || firstFriday != mayFirst) { // We can now be certain we won't be resetting "May First in Red" when we restore // may 1st's regular colour for this day of the week. Qt::DayOfWeek dayOfWeek(static_cast<Qt::DayOfWeek>(mayFirst.dayOfWeek())); calendar->setDateTextFormat(mayFirst, calendar->weekdayTextFormat(dayOfWeek)); } calendar->setDateTextFormat(mayFirst, mayFirstFormat); } 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(QDate)), calendar, SLOT(setSelectedDate(QDate))); connect(calendar, SIGNAL(selectionChanged()), this, SLOT(selectedDateChanged())); connect(minimumDateEdit, SIGNAL(dateChanged(QDate)), this, SLOT(minimumDateChanged(QDate))); connect(maximumDateEdit, SIGNAL(dateChanged(QDate)), this, SLOT(maximumDateChanged(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(weekdayColorCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(reformatCalendarPage())); connect(weekendColorCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(weekendFormatChanged())); connect(weekendColorCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(reformatCalendarPage())); connect(headerTextFormatCombo, SIGNAL(currentIndexChanged(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"), QColor(Qt::red)); comboBox->addItem(tr("Blue"), QColor(Qt::blue)); comboBox->addItem(tr("Black"), QColor(Qt::black)); comboBox->addItem(tr("Magenta"), QColor(Qt::magenta)); return comboBox; }

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