Qt Rich Text Delegate

richtextdelegate.cpp

#include "richtextdelegate.h"

#include <QPainter>
#include <QTextDocument>

RichTextDelegate::RichTextDelegate(QObject *parent) : QStyledItemDelegate(parent)
{
}

void RichTextDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{

	if (option.state & QStyle::State_Selected)
		painter->fillRect( option.rect, option.palette.highlight());

	painter->save();

	QTextDocument document;
	document.setTextWidth(option.rect.width());
	QVariant value = index.data(Qt::DisplayRole);
	if(value.isValid() && !value.isNull())
	{
		document.setHtml(value.toString());
		painter->translate(option.rect.topLeft());
		document.drawContents(painter);

	}

	painter->restore();
}

richtextdelegate.h

#ifndef RICHTEXTDELEGATE_H
#define RICHTEXTDELEGATE_H

// richtextdelegate.h : allows rich text to be used inside a table cell

#include <QStyledItemDelegate>

class RichTextDelegate: public QStyledItemDelegate
{
public:
	RichTextDelegate(QObject *parent = 0);

	void paint( QPainter *painter,
				const QStyleOptionViewItem &option,
				const QModelIndex &index ) const;
};

#endif // RICHTEXTDELEGATE_H