Method drawDisplay

plugins/quickopen/expandingtree/expandingdelegate.cpp:156–278

}

void ExpandingDelegate::drawDisplay(QPainter* painter, const QStyleOptionViewItem& option, const QRect& _rect, const QString& text) const
{
    QRect rect(_rect);

    adjustRect(rect);

    QTextLayout layout(text, option.font, painter->device());

    QVector<QTextLayout::FormatRange> additionalFormats;

    int missingFormats = text.length();

    for (int i = 0; i < m_cachedHighlights.count(); ++i) {
        if (m_cachedHighlights[i].start + m_cachedHighlights[i].length <= m_currentColumnStart) {
            continue;
        }

        if (additionalFormats.isEmpty()) {
            if (i != 0 && m_cachedHighlights[i - 1].start + m_cachedHighlights[i - 1].length > m_currentColumnStart) {
                QTextLayout::FormatRange before;
                before.start = 0;
                before.length = m_cachedHighlights[i - 1].start + m_cachedHighlights[i - 1].length - m_currentColumnStart;
                before.format = m_cachedHighlights[i - 1].format;
                additionalFormats.append(before);
            }
        }

        QTextLayout::FormatRange format;
        format.start = m_cachedHighlights[i].start - m_currentColumnStart;
        format.length = m_cachedHighlights[i].length;
        format.format = m_cachedHighlights[i].format;

        additionalFormats.append(format);
    }

    if (!additionalFormats.isEmpty()) {
        missingFormats = text.length() - (additionalFormats.back().length + additionalFormats.back().start);
    }

    if (missingFormats > 0) {
        QTextLayout::FormatRange format;
        format.start = text.length() - missingFormats;
        format.length = missingFormats;
        QTextCharFormat fm;
        fm.setForeground(option.palette.text());
        format.format = fm;
        additionalFormats.append(format);
    }

    if (m_backgroundColor.isValid()) {
        QColor background = m_backgroundColor;
//     qCDebug(PLUGIN_QUICKOPEN) << text << "background:" << background.name();
        //Now go through the formats, and make sure the contrast background/foreground is readable
        for (auto& additionalFormat : additionalFormats) {
            QColor currentBackground = background;
            if (additionalFormat.format.hasProperty(QTextFormat::BackgroundBrush)) {
                currentBackground = additionalFormat.format.background().color();
            }