diff -r 000000000000 -r 1918ee327afb examples/richtext/textobject/window.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/richtext/textobject/window.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#include + +#include "window.h" +#include "svgtextobject.h" + +Window::Window() +{ + setupGui(); + setupTextObject(); + + setWindowTitle("Text Object Example"); +} + +//![1] +void Window::insertTextObject() +{ + QString fileName = fileNameLineEdit->text(); + QFile file(fileName); + if (!file.open(QIODevice::ReadOnly)) { + QMessageBox::warning(this, tr("Error Opening File"), + tr("Could not open '%1'").arg(fileName)); + } + + QByteArray svgData = file.readAll(); +//![1] + +//![2] + QTextCharFormat svgCharFormat; + svgCharFormat.setObjectType(SvgTextFormat); + QSvgRenderer renderer(svgData); + + QImage svgBufferImage(renderer.defaultSize(), QImage::Format_ARGB32); + QPainter painter(&svgBufferImage); + renderer.render(&painter, svgBufferImage.rect()); + + svgCharFormat.setProperty(SvgData, svgBufferImage); + + QTextCursor cursor = textEdit->textCursor(); + cursor.insertText(QString(QChar::ObjectReplacementCharacter), svgCharFormat); + textEdit->setTextCursor(cursor); +} +//![2] + +//![3] +void Window::setupTextObject() +{ + QObject *svgInterface = new SvgTextObject; + textEdit->document()->documentLayout()->registerHandler(SvgTextFormat, svgInterface); +} +//![3] + +void Window::setupGui() +{ + fileNameLabel = new QLabel(tr("Svg File Name:")); + fileNameLineEdit = new QLineEdit; + insertTextObjectButton = new QPushButton(tr("Insert Image")); + + fileNameLineEdit->setText("./files/heart.svg"); + connect(insertTextObjectButton, SIGNAL(clicked()), + this, SLOT(insertTextObject())); + + QHBoxLayout *bottomLayout = new QHBoxLayout; + bottomLayout->addWidget(fileNameLabel); + bottomLayout->addWidget(fileNameLineEdit); + bottomLayout->addWidget(insertTextObjectButton); + + textEdit = new QTextEdit; + + QVBoxLayout *mainLayout = new QVBoxLayout; + mainLayout->addWidget(textEdit); + mainLayout->addLayout(bottomLayout); + + setLayout(mainLayout); +} +