/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at http://www.qtsoftware.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #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; }