examples/richtext/textobject/window.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /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 <QtGui>
+#include <QtSvg>
+
+#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);
+}
+