Using QTextEdit
/**************************************************************************** ** ** 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 documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** 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. ** ** 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 have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ #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 #include "textedit.h" #include <QtGui> TextEdit::TextEdit(QWidget *parent) : QTextEdit(parent) { } bool TextEdit::canInsertFromMimeData( const QMimeData *source ) const { if (source->hasImage()) return true; else return QTextEdit::canInsertFromMimeData(source); } void TextEdit::insertFromMimeData( const QMimeData *source ) { if (source->hasImage()) { QImage image = qvariant_cast<QImage>(source->imageData()); QTextCursor cursor = this->textCursor(); QTextDocument *document = this->document(); document->addResource(QTextDocument::ImageResource, QUrl("image"), image); cursor.insertImage("image"); } } #include <QtGui> #include "textedit.h" int main(int argc, char * argv[]) { QApplication app(argc, argv); TextEdit *textEdit = new TextEdit; textEdit->show(); return app.exec(); }
1. | QTextEdit and QTextCursor | ||
2. | extends QTextEdit |