window.cpp

来自「Qt控件使用实例」· C++ 代码 · 共 463 行 · 第 1/2 页

    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);
//! [10]

    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);

//! [11]
    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)));
//! [11]

    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);

//! [12]
    firstDayChanged(firstDayCombo->currentIndex());
    selectionModeChanged(selectionModeCombo->currentIndex());
    horizontalHeaderChanged(horizontalHeaderCombo->currentIndex());
    verticalHeaderChanged(verticalHeaderCombo->currentIndex());
}
//! [12]

//! [13]
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);

//! [13] //! [14]
    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 &)));

//! [14]
    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);
//! [15]
}
//! [15]

//! [16]
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);

//! [16] //! [17]
    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"));

//! [17] //! [18]
    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()));

//! [18]
    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();
//! [19]
    reformatHeaders();
    reformatCalendarPage();
}
//! [19]

//! [20]
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;
}
//! [20]