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Qt GUI: Adding Rich Text Processing documentation from qtdoc

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-included the snippets
-editing for technical accuracy still to be done.
-ported missing files from Qt 4

Change-Id: I0b2d27630b762c6518c08973a40b476d7852001d
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
This commit is contained in:
Jerome Pasion 2012-10-24 15:51:15 +02:00
parent e52f178b0d
commit b1e739b524
65 changed files with 4803 additions and 0 deletions
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
QTextDocument *newDocument = new QTextDocument;
//! [0]
//! [1]
QTextEdit *editor = new QTextEdit;
QTextDocument *editorDocument = editor->document();
//! [1]
//! [2]
QTextEdit *editor = new QTextEdit(parent);
editor->setHtml(aStringContainingHTMLtext);
editor->show();
//! [2]
//! [3]
QTextDocument *document = editor->document();
//! [3]
//! [4]
QTextCursor cursor = editor->textCursor();
//! [4]
//! [5]
editor->setTextCursor(cursor);
//! [5]
//! [6]
textEdit.show();
textCursor.beginEditBlock();
for (int i = 0; i < 1000; ++i) {
textCursor.insertBlock();
textCursor.insertText(paragraphText.at(i));
}
textCursor.endEditBlock();
//! [6]

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src/gui/doc/snippets/code/doc_src_richtext.qdoc Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
//! [7]
<meta http-equiv="Content-Type" content="text/html; charset=EUC-JP" />
//! [7]

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src/gui/doc/snippets/plaintextlayout/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "window.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Window *window = new Window;
window->resize(337, 343);
window->show();
return app.exec();
}

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src/gui/doc/snippets/plaintextlayout/plaintextlayout.pro Normal file
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HEADERS = window.h
SOURCES = main.cpp \
window.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include <math.h>
#include "window.h"
Window::Window(QWidget *parent)
: QWidget(parent)
{
text = QString("Support for text rendering and layout in Qt 4 has been "
"redesigned around a system that allows textual content to "
"be represented in a more flexible way than was possible "
"with Qt 3. Qt 4 also provides a more convenient "
"programming interface for editing documents. These "
"improvements are made available through a reimplementation "
"of the existing text rendering engine, and the "
"introduction of several new classes. "
"See the relevant module overview for a detailed discussion "
"of this framework. The following sections provide a brief "
"overview of the main concepts behind Scribe.");
setWindowTitle(tr("Plain Text Layout"));
}
void Window::paintEvent(QPaintEvent *event)
{
//! [0]
QTextLayout textLayout(text, font);
qreal margin = 10;
qreal radius = qMin(width()/2.0, height()/2.0) - margin;
QFontMetrics fm(font);
qreal lineHeight = fm.height();
qreal y = 0;
textLayout.beginLayout();
while (1) {
// create a new line
QTextLine line = textLayout.createLine();
if (!line.isValid())
break;
qreal x1 = qMax(0.0, pow(pow(radius,2)-pow(radius-y,2), 0.5));
qreal x2 = qMax(0.0, pow(pow(radius,2)-pow(radius-(y+lineHeight),2), 0.5));
qreal x = qMax(x1, x2) + margin;
qreal lineWidth = (width() - margin) - x;
line.setLineWidth(lineWidth);
line.setPosition(QPointF(x, margin+y));
y += line.height();
}
textLayout.endLayout();
QPainter painter;
painter.begin(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.fillRect(rect(), Qt::white);
painter.setBrush(QBrush(Qt::black));
painter.setPen(QPen(Qt::black));
textLayout.draw(&painter, QPoint(0,0));
painter.setBrush(QBrush(QColor("#a6ce39")));
painter.setPen(QPen(Qt::black));
painter.drawEllipse(QRectF(-radius, margin, 2*radius, 2*radius));
painter.end();
//! [0]
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QWidget>
class Window : public QWidget
{
Q_OBJECT
public:
Window(QWidget *parent = 0);
protected:
void paintEvent(QPaintEvent *event);
private:
QFont font;
QString text;
};
#endif

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src/gui/doc/snippets/scribe-overview/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
void mergeFormat(QTextEdit *edit)
{
//! [0]
QTextDocument *document = edit->document();
QTextCursor cursor(document);
cursor.movePosition(QTextCursor::Start);
cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setFontWeight(QFont::Bold);
cursor.mergeCharFormat(format);
//! [0]
}
int main(int argc, char *argv[])
{
QWidget *parent = 0;
QString aStringContainingHTMLtext("<h1>Scribe Overview</h1>");
QApplication app(argc, argv);
//! [1]
QTextEdit *editor = new QTextEdit(parent);
editor->setHtml(aStringContainingHTMLtext);
editor->show();
//! [1]
return app.exec();
}

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SOURCES = main.cpp

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src/gui/doc/snippets/textblock-formats/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
QString tr(const char *text)
{
return QApplication::translate(text, text);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
//! [0]
QTextEdit *editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
//! [0]
cursor.movePosition(QTextCursor::Start);
QTextBlockFormat blockFormat = cursor.blockFormat();
blockFormat.setTopMargin(4);
blockFormat.setLeftMargin(4);
blockFormat.setRightMargin(4);
blockFormat.setBottomMargin(4);
cursor.setBlockFormat(blockFormat);
cursor.insertText(tr("This contains plain text inside a "
"text block with margins to keep it separate "
"from other parts of the document."));
cursor.insertBlock();
//! [1]
QTextBlockFormat backgroundFormat = blockFormat;
backgroundFormat.setBackground(QColor("lightGray"));
cursor.setBlockFormat(backgroundFormat);
//! [1]
cursor.insertText(tr("The background color of a text block can be "
"changed to highlight text."));
cursor.insertBlock();
QTextBlockFormat rightAlignedFormat = blockFormat;
rightAlignedFormat.setAlignment(Qt::AlignRight);
cursor.setBlockFormat(rightAlignedFormat);
cursor.insertText(tr("The alignment of the text within a block is "
"controlled by the alignment properties of "
"the block itself. This text block is "
"right-aligned."));
cursor.insertBlock();
QTextBlockFormat paragraphFormat = blockFormat;
paragraphFormat.setAlignment(Qt::AlignJustify);
paragraphFormat.setTextIndent(32);
cursor.setBlockFormat(paragraphFormat);
cursor.insertText(tr("Text can be formatted so that the first "
"line in a paragraph has its own margin. "
"This makes the text more readable."));
cursor.insertBlock();
QTextBlockFormat reverseFormat = blockFormat;
reverseFormat.setAlignment(Qt::AlignJustify);
reverseFormat.setTextIndent(32);
cursor.setBlockFormat(reverseFormat);
cursor.insertText(tr("The direction of the text can be reversed. "
"This is useful for right-to-left "
"languages."));
editor->setWindowTitle(tr("Text Block Formats"));
editor->resize(480, 480);
editor->show();
return app.exec();
}

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src/gui/doc/snippets/textblock-formats/textblock-formats.pro Normal file
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QT += xml
SOURCES = main.cpp

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src/gui/doc/snippets/textblock-fragments/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(640, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
#include "xmlwriter.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *saveAction = fileMenu->addAction(tr("&Save..."));
saveAction->setShortcut(tr("Ctrl+S"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
QMenu *insertMenu = new QMenu(tr("&Insert"));
QAction *calendarAction = insertMenu->addAction(tr("&Calendar"));
calendarAction->setShortcut(tr("Ctrl+I"));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(insertMenu);
editor = new QTextEdit(this);
connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
connect(calendarAction, SIGNAL(triggered()), this, SLOT(insertCalendar()));
setCentralWidget(editor);
setWindowTitle(tr("Text Document Writer"));
}
void MainWindow::saveFile()
{
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save document as:"), "", tr("XML (*.xml)"));
if (!fileName.isEmpty()) {
if (writeXml(fileName))
setWindowTitle(fileName);
else
QMessageBox::warning(this, tr("Warning"),
tr("Failed to save the document."), QMessageBox::Cancel,
QMessageBox::NoButton);
}
}
void MainWindow::insertCalendar()
{
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextCharFormat format(cursor.charFormat());
format.setFontFamily("Courier");
QTextCharFormat boldFormat = format;
boldFormat.setFontWeight(QFont::Bold);
cursor.insertBlock();
cursor.insertText(" ", boldFormat);
QDate date = QDate::currentDate();
int year = date.year(), month = date.month();
for (int weekDay = 1; weekDay <= 7; ++weekDay) {
cursor.insertText(QString("%1 ").arg(QDate::shortDayName(weekDay), 3),
boldFormat);
}
cursor.insertBlock();
cursor.insertText(" ", format);
for (int column = 1; column < QDate(year, month, 1).dayOfWeek(); ++column) {
cursor.insertText(" ", format);
}
for (int day = 1; day <= date.daysInMonth(); ++day) {
int weekDay = QDate(year, month, day).dayOfWeek();
if (QDate(year, month, day) == date)
cursor.insertText(QString("%1 ").arg(day, 3), boldFormat);
else
cursor.insertText(QString("%1 ").arg(day, 3), format);
if (weekDay == 7) {
cursor.insertBlock();
cursor.insertText(" ", format);
}
}
}
bool MainWindow::writeXml(const QString &fileName)
{
XmlWriter documentWriter(editor->document());
QDomDocument *domDocument = documentWriter.toXml();
QFile file(fileName);
if (file.open(QFile::WriteOnly)) {
QTextStream textStream(&file);
textStream << domDocument->toByteArray(1);
return true;
}
else
return false;
}

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@ -0,0 +1,65 @@
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QMainWindow>
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void insertCalendar();
void saveFile();
private:
bool writeXml(const QString &fileName);
QTextEdit *editor;
};
#endif

6
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QT += xml
HEADERS = mainwindow.h \
xmlwriter.h
SOURCES = main.cpp \
mainwindow.cpp \
xmlwriter.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef XMLWRITER_H
#define XMLWRITER_H
#include <QDomDocument>
class QTextDocument;
class XmlWriter
{
public:
XmlWriter(QTextDocument *document) : textDocument(document) {}
QDomDocument *toXml();
private:
void readFragment(const QTextBlock &currentBlock, QDomElement blockElement,
QDomDocument *document);
void processBlock(const QTextBlock &currentBlock);
void processFragment(const QTextFragment &currentFragment);
QDomDocument *document;
QTextDocument *textDocument;
};
#endif

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(640, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
#include "xmlwriter.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *saveAction = fileMenu->addAction(tr("&Save..."));
saveAction->setShortcut(tr("Ctrl+S"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
QMenu *insertMenu = new QMenu(tr("&Insert"));
QAction *calendarAction = insertMenu->addAction(tr("&Calendar"));
calendarAction->setShortcut(tr("Ctrl+I"));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(insertMenu);
//! [0]
editor = new QTextEdit(this);
//! [0]
connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
connect(calendarAction, SIGNAL(triggered()), this, SLOT(insertCalendar()));
setCentralWidget(editor);
setWindowTitle(tr("Text Document Writer"));
}
void MainWindow::saveFile()
{
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save document as:"), "", tr("XML (*.xml)"));
if (!fileName.isEmpty()) {
if (writeXml(fileName))
setWindowTitle(fileName);
else
QMessageBox::warning(this, tr("Warning"),
tr("Failed to save the document."), QMessageBox::Cancel,
QMessageBox::NoButton);
}
}
void MainWindow::insertCalendar()
{
//! [1]
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextCharFormat format(cursor.charFormat());
format.setFontFamily("Courier");
QTextCharFormat boldFormat = format;
boldFormat.setFontWeight(QFont::Bold);
cursor.insertBlock();
cursor.insertText(" ", boldFormat);
QDate date = QDate::currentDate();
int year = date.year(), month = date.month();
for (int weekDay = 1; weekDay <= 7; ++weekDay) {
cursor.insertText(QString("%1 ").arg(QDate::shortDayName(weekDay), 3),
boldFormat);
}
cursor.insertBlock();
cursor.insertText(" ", format);
for (int column = 1; column < QDate(year, month, 1).dayOfWeek(); ++column) {
cursor.insertText(" ", format);
}
for (int day = 1; day <= date.daysInMonth(); ++day) {
//! [1] //! [2]
int weekDay = QDate(year, month, day).dayOfWeek();
if (QDate(year, month, day) == date)
cursor.insertText(QString("%1 ").arg(day, 3), boldFormat);
else
cursor.insertText(QString("%1 ").arg(day, 3), format);
if (weekDay == 7) {
cursor.insertBlock();
cursor.insertText(" ", format);
}
//! [2] //! [3]
}
//! [3]
}
bool MainWindow::writeXml(const QString &fileName)
{
XmlWriter documentWriter(editor->document());
QDomDocument *domDocument = documentWriter.toXml();
QFile file(fileName);
if (file.open(QFile::WriteOnly)) {
QTextStream textStream(&file);
textStream.setCodec(QTextCodec::codecForName("UTF-8"));
textStream << domDocument->toString(1).toUtf8();
file.close();
return true;
}
else
return false;
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QMainWindow>
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void insertCalendar();
void saveFile();
private:
bool writeXml(const QString &fileName);
QTextEdit *editor;
};
#endif

6
src/gui/doc/snippets/textdocument-blocks/textdocument-blocks.pro Normal file
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QT += xml
HEADERS = mainwindow.h \
xmlwriter.h
SOURCES = main.cpp \
mainwindow.cpp \
xmlwriter.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "xmlwriter.h"
QDomDocument *XmlWriter::toXml()
{
QDomImplementation implementation;
QDomDocumentType docType = implementation.createDocumentType(
"scribe-document", "scribe", "qt.nokia.com/scribe");
document = new QDomDocument(docType);
// ### This processing instruction is required to ensure that any kind
// of encoding is given when the document is written.
QDomProcessingInstruction process = document->createProcessingInstruction(
"xml", "version=\"1.0\" encoding=\"utf-8\"");
document->appendChild(process);
QDomElement documentElement = document->createElement("document");
document->appendChild(documentElement);
QTextBlock firstBlock = textDocument->begin();
createItems(documentElement, firstBlock);
return document;
}
void XmlWriter::createItems(QDomElement &parent, const QTextBlock &block)
{
QTextBlock currentBlock = block;
while (currentBlock.isValid()) {
QDomElement blockElement = document->createElement("block");
blockElement.setAttribute("length", currentBlock.length());
parent.appendChild(blockElement);
if (!(currentBlock.text().isNull())) {
QDomText textNode = document->createTextNode(currentBlock.text());
blockElement.appendChild(textNode);
}
currentBlock = currentBlock.next();
}
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef XMLWRITER_H
#define XMLWRITER_H
#include <QDomDocument>
class QTextDocument;
class XmlWriter
{
public:
XmlWriter(QTextDocument *document) : textDocument(document) {}
QDomDocument *toXml();
private:
void createItems(QDomElement &parent, const QTextBlock &block);
QDomDocument *document;
QTextDocument *textDocument;
};
#endif

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
QString tr(const char *text)
{
return QApplication::translate(text, text);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextCharFormat plainFormat(cursor.charFormat());
QTextCharFormat headingFormat = plainFormat;
headingFormat.setFontWeight(QFont::Bold);
headingFormat.setFontPointSize(16);
QTextCharFormat emphasisFormat = plainFormat;
emphasisFormat.setFontItalic(true);
QTextCharFormat qtFormat = plainFormat;
qtFormat.setForeground(QColor("#990000"));
QTextCharFormat underlineFormat = plainFormat;
underlineFormat.setFontUnderline(true);
//! [0]
cursor.insertText(tr("Character formats"),
headingFormat);
cursor.insertBlock();
cursor.insertText(tr("Text can be displayed in a variety of "
"different character formats. "), plainFormat);
cursor.insertText(tr("We can emphasize text by "));
cursor.insertText(tr("making it italic"), emphasisFormat);
//! [0]
cursor.insertText(tr(", give it a "), plainFormat);
cursor.insertText(tr("different color "), qtFormat);
cursor.insertText(tr("to the default text color, "), plainFormat);
cursor.insertText(tr("underline it"), underlineFormat);
cursor.insertText(tr(", and use many other effects."), plainFormat);
editor->setWindowTitle(tr("Text Document Character Formats"));
editor->resize(320, 480);
editor->show();
return app.exec();
}

1
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SOURCES = main.cpp

79
src/gui/doc/snippets/textdocument-cursors/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
QString tr(const char *text)
{
return QApplication::translate(text, text);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit;
//! [0]
QTextDocument *document = editor->document();
QTextCursor redCursor(document);
//! [0] //! [1]
QTextCursor blueCursor(document);
//! [1]
QTextCharFormat redFormat(redCursor.charFormat());
redFormat.setForeground(Qt::red);
QTextCharFormat blueFormat(blueCursor.charFormat());
blueFormat.setForeground(Qt::blue);
redCursor.setCharFormat(redFormat);
blueCursor.setCharFormat(blueFormat);
for (int i = 0; i < 20; ++i) {
if (i % 2 == 0)
redCursor.insertText(tr("%1 ").arg(i), redFormat);
if (i % 5 == 0)
blueCursor.insertText(tr("%1 ").arg(i), blueFormat);
}
editor->setWindowTitle(tr("Text Document Cursors"));
editor->resize(320, 480);
editor->show();
return app.exec();
}

1
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SOURCES = main.cpp

91
src/gui/doc/snippets/textdocument-find/main.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
QString tr(const char *text)
{
return QApplication::translate(text, text);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextCharFormat plainFormat(cursor.charFormat());
QTextCharFormat colorFormat = plainFormat;
colorFormat.setForeground(Qt::red);
cursor.insertText(tr("Text can be displayed in a variety of "
"different character "
"formats. "), plainFormat);
cursor.insertText(tr("We can emphasize text by making it "));
cursor.insertText(tr("italic, give it a different color "));
cursor.insertText(tr("to the default text color, underline it, "));
cursor.insertText(tr("and use many other effects."));
QString searchString = tr("text");
QTextDocument *document = editor->document();
//! [0]
QTextCursor newCursor(document);
while (!newCursor.isNull() && !newCursor.atEnd()) {
newCursor = document->find(searchString, newCursor);
if (!newCursor.isNull()) {
newCursor.movePosition(QTextCursor::WordRight,
QTextCursor::KeepAnchor);
newCursor.mergeCharFormat(colorFormat);
}
//! [0] //! [1]
}
//! [1]
editor->setWindowTitle(tr("Text Document Find"));
editor->resize(320, 480);
editor->show();
return app.exec();
}

1
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SOURCES = main.cpp

53
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(480, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
#include "xmlwriter.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *saveAction = fileMenu->addAction(tr("&Save..."));
saveAction->setShortcut(tr("Ctrl+S"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
menuBar()->addMenu(fileMenu);
editor = new QTextEdit();
QTextCursor cursor(editor->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextFrame *mainFrame = cursor.currentFrame();
QTextCharFormat plainCharFormat;
QTextCharFormat boldCharFormat;
boldCharFormat.setFontWeight(QFont::Bold);
/* main frame
//! [0]
QTextFrame *mainFrame = cursor.currentFrame();
cursor.insertText(...);
//! [0]
*/
cursor.insertText("Text documents are represented by the "
"QTextDocument class, rather than by QString objects. "
"Each QTextDocument object contains information about "
"the document's internal representation, its structure, "
"and keeps track of modifications to provide undo/redo "
"facilities. This approach allows features such as the "
"layout management to be delegated to specialized "
"classes, but also provides a focus for the framework.",
plainCharFormat);
//! [1]
QTextFrameFormat frameFormat;
frameFormat.setMargin(32);
frameFormat.setPadding(8);
frameFormat.setBorder(4);
//! [1]
cursor.insertFrame(frameFormat);
/* insert frame
//! [2]
cursor.insertFrame(frameFormat);
cursor.insertText(...);
//! [2]
*/
cursor.insertText("Documents are either converted from external sources "
"or created from scratch using Qt. The creation process "
"can done by an editor widget, such as QTextEdit, or by "
"explicit calls to the Scribe API.", boldCharFormat);
cursor = mainFrame->lastCursorPosition();
/* last cursor
//! [3]
cursor = mainFrame->lastCursorPosition();
cursor.insertText(...);
//! [3]
*/
cursor.insertText("There are two complementary ways to visualize the "
"contents of a document: as a linear buffer that is "
"used by editors to modify the contents, and as an "
"object hierarchy containing structural information "
"that is useful to layout engines. In the hierarchical "
"model, the objects generally correspond to visual "
"elements such as frames, tables, and lists. At a lower "
"level, these elements describe properties such as the "
"style of text used and its alignment. The linear "
"representation of the document is used for editing and "
"manipulation of the document's contents.",
plainCharFormat);
connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
setCentralWidget(editor);
setWindowTitle(tr("Text Document Frames"));
}
void MainWindow::saveFile()
{
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save document as:"), "", tr("XML (*.xml)"));
if (!fileName.isEmpty()) {
if (writeXml(fileName))
setWindowTitle(fileName);
else
QMessageBox::warning(this, tr("Warning"),
tr("Failed to save the document."), QMessageBox::Cancel,
QMessageBox::NoButton);
}
}
bool MainWindow::writeXml(const QString &fileName)
{
XmlWriter documentWriter(editor->document());
QDomDocument *domDocument = documentWriter.toXml();
QFile file(fileName);
if (file.open(QFile::WriteOnly)) {
QTextStream textStream(&file);
textStream.setCodec(QTextCodec::codecForName("UTF-8"));
textStream << domDocument->toString(1).toUtf8();
file.close();
return true;
}
else
return false;
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QMainWindow>
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void saveFile();
private:
bool writeXml(const QString &fileName);
QTextEdit *editor;
};
#endif

6
src/gui/doc/snippets/textdocument-frames/textdocument-frames.pro Normal file
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SOURCES = main.cpp \
mainwindow.cpp \
xmlwriter.cpp
HEADERS = mainwindow.h \
xmlwriter.h
QT += xml

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "xmlwriter.h"
QDomDocument *XmlWriter::toXml()
{
QDomImplementation implementation;
QDomDocumentType docType = implementation.createDocumentType(
"scribe-document", "scribe", "qt.nokia.com/scribe");
document = new QDomDocument(docType);
// ### This processing instruction is required to ensure that any kind
// of encoding is given when the document is written.
QDomProcessingInstruction process = document->createProcessingInstruction(
"xml", "version=\"1.0\" encoding=\"utf-8\"");
document->appendChild(process);
QDomElement documentElement = document->createElement("document");
document->appendChild(documentElement);
//! [0]
QTextFrame *root = textDocument->rootFrame();
//! [0]
if (root)
processFrame(documentElement, root);
return document;
}
void XmlWriter::processBlock(QDomElement &parent, const QTextBlock &block)
{
QDomElement blockElement = document->createElement("block");
blockElement.setAttribute("position", block.position());
blockElement.setAttribute("length", block.length());
parent.appendChild(blockElement);
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
QTextFragment fragment = it.fragment();
if (fragment.isValid()) {
QDomElement fragmentElement = document->createElement("fragment");
blockElement.appendChild(fragmentElement);
fragmentElement.setAttribute("length", fragment.length());
QDomText fragmentText = document->createTextNode(fragment.text());
fragmentElement.appendChild(fragmentText);
}
}
}
void XmlWriter::processFrame(QDomElement &parent, QTextFrame *frame)
{
QDomElement frameElement = document->createElement("frame");
frameElement.setAttribute("begin", frame->firstPosition());
frameElement.setAttribute("end", frame->lastPosition());
parent.appendChild(frameElement);
//! [1]
QDomElement frameElement = ...
QTextFrame::iterator it;
for (it = frame->begin(); !(it.atEnd()); ++it) {
QTextFrame *childFrame = it.currentFrame();
QTextBlock childBlock = it.currentBlock();
if (childFrame)
//! [1] //! [2]
processFrame(frameElement, childFrame);
else if (childBlock.isValid())
processBlock(frameElement, childBlock);
}
//! [2]
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef XMLWRITER_H
#define XMLWRITER_H
#include <QDomDocument>
class QTextDocument;
class XmlWriter
{
public:
XmlWriter(QTextDocument *document) : textDocument(document) {}
QDomDocument *toXml();
private:
void processBlock(QDomElement &parent, const QTextBlock &block);
void processFrame(QDomElement &parent, QTextFrame *frame);
QDomDocument *document;
//! [0]
QTextDocument *textDocument;
//! [0]
};
#endif

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "textedit.h"
int main(int argc, char * argv[])
{
QApplication app(argc, argv);
TextEdit *textEdit = new TextEdit;
textEdit->show();
return app.exec();
}

2
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SOURCES = textedit.cpp main.cpp
HEADERS = textedit.h

56
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef TEXTEDIT_H
#define TEXTEDIT_H
#include <QTextEdit>
class TextEdit : public QTextEdit
{
Q_OBJECT
public:
TextEdit(QWidget *parent=0);
bool canInsertFromMimeData( const QMimeData *source ) const;
void insertFromMimeData( const QMimeData *source );
};
#endif

6
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<!DOCTYPE RCC><RCC version="1.0">
<qresource>
<file>images/advert.png</file>
<file>images/newimage.png</file>
</qresource>
</RCC>

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
QString tr(const char *text)
{
return QApplication::translate(text, text);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit;
QTextDocument *document = new QTextDocument(editor);
QTextCursor cursor(document);
QTextImageFormat imageFormat;
imageFormat.setName(":/images/advert.png");
cursor.insertImage(imageFormat);
QTextBlock block = cursor.block();
QTextFragment fragment;
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
fragment = it.fragment();
if (fragment.contains(cursor.position()))
break;
}
//! [0]
if (fragment.isValid()) {
QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat();
if (newImageFormat.isValid()) {
newImageFormat.setName(":/images/newimage.png");
QTextCursor helper = cursor;
helper.setPosition(fragment.position());
helper.setPosition(fragment.position() + fragment.length(),
QTextCursor::KeepAnchor);
helper.setCharFormat(newImageFormat);
//! [0] //! [1]
}
//! [1] //! [2]
}
//! [2]
cursor.insertBlock();
cursor.insertText("Code less. Create more.");
editor->setDocument(document);
editor->setWindowTitle(tr("Text Document Image Format"));
editor->resize(320, 480);
editor->show();
return app.exec();
}

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SOURCES = main.cpp
RESOURCES += images.qrc

5
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<!DOCTYPE RCC><RCC version="1.0">
<qresource>
<file>images/advert.png</file>
</qresource>
</RCC>

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
QString tr(const char *text)
{
return QApplication::translate(text, text);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit *editor = new QTextEdit;
//! [0]
QTextDocument *document = new QTextDocument(editor);
QTextCursor cursor(document);
//! [0]
//! [1]
QTextImageFormat imageFormat;
imageFormat.setName(":/images/advert.png");
cursor.insertImage(imageFormat);
//! [1]
cursor.insertBlock();
cursor.insertText("Code less. Create more.");
editor->setDocument(document);
editor->setWindowTitle(tr("Text Document Images"));
editor->resize(320, 480);
editor->show();
return app.exec();
}

2
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SOURCES = main.cpp
RESOURCES += images.qrc

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(640, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
fileMenu->addAction(tr("E&xit"), this, SLOT(close()),
QKeySequence(tr("Ctrl+Q", "File|Exit")));
QMenu *actionsMenu = new QMenu(tr("&Actions"));
actionsMenu->addAction(tr("&Highlight List Items"),
this, SLOT(highlightListItems()));
actionsMenu->addAction(tr("&Show Current List"), this, SLOT(showList()));
QMenu *insertMenu = new QMenu(tr("&Insert"));
insertMenu->addAction(tr("&List"), this, SLOT(insertList()),
QKeySequence(tr("Ctrl+L", "Insert|List")));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(insertMenu);
menuBar()->addMenu(actionsMenu);
editor = new QTextEdit(this);
document = new QTextDocument(this);
editor->setDocument(document);
setCentralWidget(editor);
setWindowTitle(tr("Text Document List Items"));
}
void MainWindow::highlightListItems()
{
QTextCursor cursor = editor->textCursor();
QTextList *list = cursor.currentList();
if (!list)
return;
cursor.beginEditBlock();
//! [0]
for (int index = 0; index < list->count(); ++index) {
QTextBlock listItem = list->item(index);
//! [0]
QTextBlockFormat newBlockFormat = listItem.blockFormat();
newBlockFormat.setBackground(Qt::lightGray);
QTextCursor itemCursor = cursor;
itemCursor.setPosition(listItem.position());
//itemCursor.movePosition(QTextCursor::StartOfBlock);
itemCursor.movePosition(QTextCursor::EndOfBlock,
QTextCursor::KeepAnchor);
itemCursor.setBlockFormat(newBlockFormat);
/*
//! [1]
processListItem(listItem);
//! [1]
*/
//! [2]
}
//! [2]
cursor.endEditBlock();
}
void MainWindow::showList()
{
QTextCursor cursor = editor->textCursor();
QTextFrame *frame = cursor.currentFrame();
if (!frame)
return;
QTreeWidget *treeWidget = new QTreeWidget;
treeWidget->setColumnCount(1);
QStringList headerLabels;
headerLabels << tr("Lists");
treeWidget->setHeaderLabels(headerLabels);
QTreeWidgetItem *parentItem = 0;
QTreeWidgetItem *item;
QTreeWidgetItem *lastItem = 0;
parentItems.clear();
previousItems.clear();
//! [3]
QTextFrame::iterator it;
for (it = frame->begin(); !(it.atEnd()); ++it) {
QTextBlock block = it.currentBlock();
if (block.isValid()) {
QTextList *list = block.textList();
if (list) {
int index = list->itemNumber(block);
//! [3]
if (index == 0) {
parentItems.append(parentItem);
previousItems.append(lastItem);
listStructures.append(list);
parentItem = lastItem;
lastItem = 0;
if (parentItem != 0)
item = new QTreeWidgetItem(parentItem, lastItem);
else
item = new QTreeWidgetItem(treeWidget, lastItem);
} else {
while (parentItem != 0 && listStructures.last() != list) {
listStructures.pop_back();
parentItem = parentItems.takeLast();
lastItem = previousItems.takeLast();
}
if (parentItem != 0)
item = new QTreeWidgetItem(parentItem, lastItem);
else
item = new QTreeWidgetItem(treeWidget, lastItem);
}
item->setText(0, block.text());
lastItem = item;
/*
//! [4]
processListItem(list, index);
//! [4]
*/
//! [5]
}
//! [5] //! [6]
}
//! [6] //! [7]
}
//! [7]
treeWidget->setWindowTitle(tr("List Contents"));
treeWidget->show();
}
void MainWindow::insertList()
{
QTextCursor cursor = editor->textCursor();
cursor.beginEditBlock();
QTextList *list = cursor.currentList();
QTextListFormat listFormat;
if (list)
listFormat = list->format();
listFormat.setStyle(QTextListFormat::ListDisc);
listFormat.setIndent(listFormat.indent() + 1);
cursor.insertList(listFormat);
cursor.endEditBlock();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QList>
#include <QMainWindow>
#include <QString>
class QAction;
class QTextDocument;
class QTextEdit;
class QTextList;
class QTreeWidgetItem;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void insertList();
void highlightListItems();
void showList();
private:
QString currentFile;
QTextEdit *editor;
QTextDocument *document;
QList<QTextList*> listStructures;
QList<QTreeWidgetItem*> previousItems;
QList<QTreeWidgetItem*> parentItems;
};
#endif

3
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HEADERS = mainwindow.h
SOURCES = main.cpp \
mainwindow.cpp

52
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(640, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),
QKeySequence(tr("Ctrl+O", "File|Open")));
printAction = fileMenu->addAction(tr("&Print..."), this, SLOT(printFile()));
printAction->setEnabled(false);
pdfPrintAction = fileMenu->addAction(tr("Print as P&DF..."), this, SLOT(printPdf()));
pdfPrintAction->setEnabled(false);
fileMenu->addAction(tr("E&xit"), this, SLOT(close()),
QKeySequence(tr("Ctrl+Q", "File|Exit")));
menuBar()->addMenu(fileMenu);
editor = new QTextEdit(this);
document = new QTextDocument(this);
editor->setDocument(document);
connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));
setCentralWidget(editor);
setWindowTitle(tr("Text Document Writer"));
}
void MainWindow::openFile()
{
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open file"), currentFile, "HTML files (*.html);;Text files (*.txt)");
if (!fileName.isEmpty()) {
QFileInfo info(fileName);
if (info.completeSuffix() == "html") {
QFile file(fileName);
if (file.open(QIODevice::ReadOnly)) {
editor->setHtml(file.readAll());
file.close();
currentFile = fileName;
}
} else if (info.completeSuffix() == "txt") {
QFile file(fileName);
if (file.open(QIODevice::ReadOnly)) {
editor->setPlainText(file.readAll());
file.close();
currentFile = fileName;
}
}
printAction->setEnabled(true);
pdfPrintAction->setEnabled(true);
}
}
void MainWindow::printFile()
{
//! [0]
QTextDocument *document = editor->document();
QPrinter printer;
QPrintDialog *dlg = new QPrintDialog(&printer, this);
if (dlg->exec() != QDialog::Accepted)
return;
document->print(&printer);
//! [0]
}
void MainWindow::printPdf()
{
QPrinter printer(QPrinter::HighResolution);
printer.setOutputFormat(QPrinter::PdfFormat);
QPrintDialog *printDialog = new QPrintDialog(&printer, this);
if (printDialog->exec() == QDialog::Accepted)
editor->document()->print(&printer);
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QHash>
#include <QMainWindow>
#include <QTextDocumentFragment>
class QAction;
class QTextDocument;
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void openFile();
void printFile();
void printPdf();
private:
QAction *printAction;
QAction *pdfPrintAction;
QString currentFile;
QTextEdit *editor;
QTextDocument *document;
};
#endif

3
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HEADERS = mainwindow.h
SOURCES = main.cpp \
mainwindow.cpp

52
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(640, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),
QKeySequence(tr("Ctrl+O", "File|Open")));
QAction *quitAction = fileMenu->addAction(tr("E&xit"), this, SLOT(close()));
quitAction->setShortcut(tr("Ctrl+Q"));
QMenu *editMenu = new QMenu(tr("&Edit"));
cutAction = editMenu->addAction(tr("Cu&t"), this, SLOT(cutSelection()));
cutAction->setShortcut(tr("Ctrl+X"));
cutAction->setEnabled(false);
copyAction = editMenu->addAction(tr("&Copy"), this, SLOT(copySelection()));
copyAction->setShortcut(tr("Ctrl+C"));
copyAction->setEnabled(false);
pasteAction = editMenu->addAction(tr("&Paste"), this, SLOT(pasteSelection()));
pasteAction->setShortcut(tr("Ctrl+V"));
pasteAction->setEnabled(false);
QMenu *selectMenu = new QMenu(tr("&Select"));
selectMenu->addAction(tr("&Word"), this, SLOT(selectWord()));
selectMenu->addAction(tr("&Line"), this, SLOT(selectLine()));
selectMenu->addAction(tr("&Block"), this, SLOT(selectBlock()));
selectMenu->addAction(tr("&Frame"), this, SLOT(selectFrame()));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(editMenu);
menuBar()->addMenu(selectMenu);
editor = new QTextEdit(this);
document = new QTextDocument(this);
editor->setDocument(document);
connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));
setCentralWidget(editor);
setWindowTitle(tr("Text Document Writer"));
}
void MainWindow::openFile()
{
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open file"), currentFile, "HTML files (*.html);;Text files (*.txt)");
if (!fileName.isEmpty()) {
QFileInfo info(fileName);
if (info.completeSuffix() == "html") {
QFile file(fileName);
if (file.open(QFile::ReadOnly)) {
editor->setHtml(QString(file.readAll()));
file.close();
currentFile = fileName;
}
} else if (info.completeSuffix() == "txt") {
QFile file(fileName);
if (file.open(QFile::ReadOnly)) {
editor->setPlainText(file.readAll());
file.close();
currentFile = fileName;
}
}
}
}
void MainWindow::cutSelection()
{
QTextCursor cursor = editor->textCursor();
if (cursor.hasSelection()) {
selection = cursor.selection();
cursor.removeSelectedText();
}
}
void MainWindow::copySelection()
{
QTextCursor cursor = editor->textCursor();
if (cursor.hasSelection()) {
selection = cursor.selection();
cursor.clearSelection();
}
}
void MainWindow::pasteSelection()
{
QTextCursor cursor = editor->textCursor();
cursor.insertFragment(selection);
}
void MainWindow::selectWord()
{
QTextCursor cursor = editor->textCursor();
QTextBlock block = cursor.block();
//! [0]
cursor.beginEditBlock();
//! [1]
cursor.movePosition(QTextCursor::StartOfWord);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
//! [1]
cursor.endEditBlock();
//! [0]
editor->setTextCursor(cursor);
}
void MainWindow::selectLine()
{
QTextCursor cursor = editor->textCursor();
QTextBlock block = cursor.block();
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfLine);
cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
cursor.endEditBlock();
editor->setTextCursor(cursor);
}
void MainWindow::selectBlock()
{
QTextCursor cursor = editor->textCursor();
QTextBlock block = cursor.block();
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfBlock);
cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
cursor.endEditBlock();
editor->setTextCursor(cursor);
}
void MainWindow::selectFrame()
{
QTextCursor cursor = editor->textCursor();
QTextFrame *frame = cursor.currentFrame();
cursor.beginEditBlock();
cursor.setPosition(frame->firstPosition());
cursor.setPosition(frame->lastPosition(), QTextCursor::KeepAnchor);
cursor.endEditBlock();
editor->setTextCursor(cursor);
}
void MainWindow::updateMenus()
{
QTextCursor cursor = editor->textCursor();
cutAction->setEnabled(cursor.hasSelection());
copyAction->setEnabled(cursor.hasSelection());
pasteAction->setEnabled(!selection.isEmpty());
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QMainWindow>
#include <QTextDocumentFragment>
class QAction;
class QTextDocument;
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void cutSelection();
void copySelection();
void openFile();
void pasteSelection();
void selectWord();
void selectLine();
void selectBlock();
void selectFrame();
void updateMenus();
private:
QAction *cutAction;
QAction *copyAction;
QAction *pasteAction;
QString currentFile;
QTextEdit *editor;
QTextDocument *document;
QTextDocumentFragment selection;
};
#endif

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QT += xml
HEADERS = mainwindow.h
SOURCES = main.cpp \
mainwindow.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(480, 480);
window->show();
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WINDOW_H
#define WINDOW_H
#include <QMainWindow>
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void saveFile();
void showTable();
private:
bool writeXml(const QString &fileName);
QTextEdit *editor;
};
#endif

6
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SOURCES = main.cpp \
mainwindow.cpp \
xmlwriter.cpp
HEADERS = mainwindow.h \
xmlwriter.h
QT += xml

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "xmlwriter.h"
QDomDocument *XmlWriter::toXml()
{
QDomImplementation implementation;
QDomDocumentType docType = implementation.createDocumentType(
"scribe-document", "scribe", "qt.nokia.com/scribe");
document = new QDomDocument(docType);
// ### This processing instruction is required to ensure that any kind
// of encoding is given when the document is written.
QDomProcessingInstruction process = document->createProcessingInstruction(
"xml", "version=\"1.0\" encoding=\"utf-8\"");
document->appendChild(process);
QDomElement documentElement = document->createElement("document");
document->appendChild(documentElement);
QTextFrame *root = textDocument->rootFrame();
if (root)
processFrame(documentElement, root);
return document;
}
void XmlWriter::processBlock(QDomElement &parent, const QTextBlock &block)
{
QDomElement blockElement = document->createElement("block");
blockElement.setAttribute("position", block.position());
blockElement.setAttribute("length", block.length());
parent.appendChild(blockElement);
QTextBlock::iterator it;
for (it = block.begin(); !(it.atEnd()); ++it) {
QTextFragment fragment = it.fragment();
if (fragment.isValid()) {
QDomElement fragmentElement = document->createElement("fragment");
blockElement.appendChild(fragmentElement);
fragmentElement.setAttribute("length", fragment.length());
QDomText fragmentText = document->createTextNode(fragment.text());
fragmentElement.appendChild(fragmentText);
}
}
}
void XmlWriter::processFrame(QDomElement &parent, QTextFrame *frame)
{
QDomElement frameElement = document->createElement("frame");
frameElement.setAttribute("begin", frame->firstPosition());
frameElement.setAttribute("end", frame->lastPosition());
parent.appendChild(frameElement);
//! [0]
QDomElement frameElement = ...
QTextFrame::iterator it;
for (it = frame->begin(); !(it.atEnd()); ++it) {
QTextFrame *childFrame = it.currentFrame();
QTextBlock childBlock = it.currentBlock();
if (childFrame) {
QTextTable *childTable = qobject_cast<QTextTable*>(childFrame);
if (childTable)
processTable(frameElement, childTable);
else
processFrame(frameElement, childFrame);
} else if (childBlock.isValid())
//! [0] //! [1]
processBlock(frameElement, childBlock);
}
//! [1]
}
void XmlWriter::processTable(QDomElement &parent, QTextTable *table)
{
QDomElement element = document->createElement("table");
for (int row = 0; row < table->rows(); ++row) {
for (int column = 0; column < table->columns(); ++column) {
QTextTableCell cell = table->cellAt(row, column);
processTableCell(element, cell);
}
}
parent.appendChild(element);
}
void XmlWriter::processTableCell(QDomElement &parent, const QTextTableCell &cell)
{
QDomElement element = document->createElement("cell");
element.setAttribute("row", cell.row());
element.setAttribute("column", cell.column());
QTextFrame::iterator it;
for (it = cell.begin(); !(it.atEnd()); ++it) {
QTextFrame *childFrame = it.currentFrame();
QTextBlock childBlock = it.currentBlock();
if (childFrame)
processFrame(element, childFrame);
else if (childBlock.isValid())
processBlock(element, childBlock);
}
parent.appendChild(element);
}

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef XMLWRITER_H
#define XMLWRITER_H
#include <QDomDocument>
class QTextDocument;
class XmlWriter
{
public:
XmlWriter(QTextDocument *document) : textDocument(document) {}
QDomDocument *toXml();
private:
void processBlock(QDomElement &parent, const QTextBlock &block);
void processFrame(QDomElement &parent, QTextFrame *frame);
void processTable(QDomElement &parent, QTextTable *table);
void processTableCell(QDomElement &parent, const QTextTableCell &cell);
QDomDocument *document;
QTextDocument *textDocument;
};
#endif

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