textedit.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
#include <QtGui>
#include <QTextEdit>
 
class TextEdit : public QTextEdit
{
    Q_OBJECT
public:
    TextEdit(QWidget *parent = nullptr);
 
    bool canInsertFromMimeData(const QMimeData *source) const override;
    void insertFromMimeData(const QMimeData *source) override;
};
 
TextEdit::TextEdit(QWidget *parent)
    : QTextEdit(parent)
{
}
 
//! [0]
bool TextEdit::canInsertFromMimeData( const QMimeData *source ) const
{
    if (source->hasImage())
        return true;
    else
        return QTextEdit::canInsertFromMimeData(source);
}
//! [0]
 
//! [1]
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");
    }
}
//! [1]