examples/richtext/calendar/mainwindow.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/richtext/calendar/mainwindow.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,215 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "mainwindow.h"
+
+//! [0]
+MainWindow::MainWindow()
+{
+    selectedDate = QDate::currentDate();
+    fontSize = 10;
+
+    QWidget *centralWidget = new QWidget;
+//! [0]
+
+//! [1]
+    QLabel *dateLabel = new QLabel(tr("Date:"));
+    QComboBox *monthCombo = new QComboBox;
+
+    for (int month = 1; month <= 12; ++month)
+        monthCombo->addItem(QDate::longMonthName(month));
+
+    QDateTimeEdit *yearEdit = new QDateTimeEdit;
+    yearEdit->setDisplayFormat("yyyy");
+    yearEdit->setDateRange(QDate(1753, 1, 1), QDate(8000, 1, 1));
+//! [1]
+
+    monthCombo->setCurrentIndex(selectedDate.month() - 1);
+    yearEdit->setDate(selectedDate);
+
+//! [2]
+    QLabel *fontSizeLabel = new QLabel(tr("Font size:"));
+    QSpinBox *fontSizeSpinBox = new QSpinBox;
+    fontSizeSpinBox->setRange(1, 64);
+    fontSizeSpinBox->setValue(10);
+
+    editor = new QTextBrowser;
+    insertCalendar();
+//! [2]
+
+//! [3]
+    connect(monthCombo, SIGNAL(activated(int)), this, SLOT(setMonth(int)));
+    connect(yearEdit, SIGNAL(dateChanged(QDate)), this, SLOT(setYear(QDate)));
+    connect(fontSizeSpinBox, SIGNAL(valueChanged(int)),
+            this, SLOT(setFontSize(int)));
+//! [3]
+
+//! [4]
+    QHBoxLayout *controlsLayout = new QHBoxLayout;
+    controlsLayout->addWidget(dateLabel);
+    controlsLayout->addWidget(monthCombo);
+    controlsLayout->addWidget(yearEdit);
+    controlsLayout->addSpacing(24);
+    controlsLayout->addWidget(fontSizeLabel);
+    controlsLayout->addWidget(fontSizeSpinBox);
+    controlsLayout->addStretch(1);
+
+    QVBoxLayout *centralLayout = new QVBoxLayout;
+    centralLayout->addLayout(controlsLayout);
+    centralLayout->addWidget(editor, 1);
+    centralWidget->setLayout(centralLayout);
+
+    setCentralWidget(centralWidget);
+//! [4]
+}
+
+//! [5]
+void MainWindow::insertCalendar()
+{
+    editor->clear();
+    QTextCursor cursor = editor->textCursor();
+    cursor.beginEditBlock();
+
+    QDate date(selectedDate.year(), selectedDate.month(), 1);
+//! [5]
+
+//! [6]
+    QTextTableFormat tableFormat;
+    tableFormat.setAlignment(Qt::AlignHCenter);
+    tableFormat.setBackground(QColor("#e0e0e0"));
+    tableFormat.setCellPadding(2);
+    tableFormat.setCellSpacing(4);
+//! [6] //! [7]
+    QVector<QTextLength> constraints;
+    constraints << QTextLength(QTextLength::PercentageLength, 14)
+                << QTextLength(QTextLength::PercentageLength, 14)
+                << QTextLength(QTextLength::PercentageLength, 14)
+                << QTextLength(QTextLength::PercentageLength, 14)
+                << QTextLength(QTextLength::PercentageLength, 14)
+                << QTextLength(QTextLength::PercentageLength, 14)
+                << QTextLength(QTextLength::PercentageLength, 14);
+    tableFormat.setColumnWidthConstraints(constraints);
+//! [7]
+
+//! [8]
+    QTextTable *table = cursor.insertTable(1, 7, tableFormat);
+//! [8]
+
+//! [9]
+    QTextFrame *frame = cursor.currentFrame();
+    QTextFrameFormat frameFormat = frame->frameFormat();
+    frameFormat.setBorder(1);
+    frame->setFrameFormat(frameFormat);
+//! [9]
+
+//! [10]
+    QTextCharFormat format = cursor.charFormat();
+    format.setFontPointSize(fontSize);
+
+    QTextCharFormat boldFormat = format;
+    boldFormat.setFontWeight(QFont::Bold);
+
+    QTextCharFormat highlightedFormat = boldFormat;
+    highlightedFormat.setBackground(Qt::yellow);
+//! [10]
+
+//! [11]
+    for (int weekDay = 1; weekDay <= 7; ++weekDay) {
+        QTextTableCell cell = table->cellAt(0, weekDay-1);
+//! [11] //! [12]
+        QTextCursor cellCursor = cell.firstCursorPosition();
+        cellCursor.insertText(QString("%1").arg(QDate::longDayName(weekDay)),
+                              boldFormat);
+    }
+//! [12]
+
+//! [13]
+    table->insertRows(table->rows(), 1);
+//! [13]
+
+    while (date.month() == selectedDate.month()) {
+        int weekDay = date.dayOfWeek();
+        QTextTableCell cell = table->cellAt(table->rows()-1, weekDay-1);
+        QTextCursor cellCursor = cell.firstCursorPosition();
+
+        if (date == QDate::currentDate())
+            cellCursor.insertText(QString("%1").arg(date.day()), highlightedFormat);
+        else
+            cellCursor.insertText(QString("%1").arg(date.day()), format);
+
+        date = date.addDays(1);
+        if (weekDay == 7 && date.month() == selectedDate.month())
+            table->insertRows(table->rows(), 1);
+    }
+
+    cursor.endEditBlock();
+//! [14]
+    setWindowTitle(tr("Calendar for %1 %2"
+        ).arg(QDate::longMonthName(selectedDate.month())
+        ).arg(selectedDate.year()));
+}
+//! [14]
+
+//! [15]
+void MainWindow::setFontSize(int size)
+{
+    fontSize = size;
+    insertCalendar();
+}
+//! [15]
+
+//! [16]
+void MainWindow::setMonth(int month)
+{
+    selectedDate = QDate(selectedDate.year(), month + 1, selectedDate.day());
+    insertCalendar();
+}
+//! [16]
+
+//! [17]
+void MainWindow::setYear(QDate date)
+{
+    selectedDate = QDate(date.year(), selectedDate.month(), selectedDate.day());
+    insertCalendar();
+}
+//! [17]