Method sizeHint

plugins/grepview/grepoutputdelegate.cpp:122–161

}

QSize GrepOutputDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
{
    const auto* model = qobject_cast<const GrepOutputModel*>(index.model());
    const GrepOutputItem  *item  = model ? dynamic_cast<const GrepOutputItem *>(model->itemFromIndex(index)) : nullptr;

    QSize ret = QStyledItemDelegate::sizeHint(option, index);

    //take account of additional width required for highlighting (bold text)
    //and line numbers. These are not included in the default Qt size calculation.
    if(item && item->isText())
    {
        QFont font = option.font;
        QFontMetrics metrics(font);
        font.setBold(true);
        QFontMetrics bMetrics(font);
        const KTextEditor::Range rng = item->change()->m_range;
        int width = metrics.horizontalAdvance(item->text().left(rng.start().column()))
            + metrics.horizontalAdvance(item->text().mid(rng.end().column()))
            + bMetrics.horizontalAdvance(
                item->text().mid(rng.start().column(), rng.end().column() - rng.start().column()))
            + option.fontMetrics.horizontalAdvance(i18n("Line %1: ", item->lineNumber()))
            + std::max(option.decorationSize.width(), 0);
        ret.setWidth(width);
    }else{
        // This is only used for titles, so not very performance critical
        QString text;
        if(item)
            text = item->text();
        else
            text = index.data().toString();
        
        QTextDocument doc;
        doc.setDocumentMargin(0);
        doc.setHtml(text);
        QSize newSize = doc.size().toSize();
        if(newSize.height() > ret.height())
            ret.setHeight(newSize.height());
    }
    return ret;
}

#include "moc_grepoutputdelegate.cpp"