Method paint

kdevplatform/vcs/widgets/vcsannotationitemdelegate.cpp:233–299

}

void VcsAnnotationItemDelegate::paint(QPainter* painter, const KTextEditor::StyleOptionAnnotationItem& option,
                                      KTextEditor::AnnotationModel* model, int line) const
{
    Q_ASSERT(painter);
    // we cannot use custom roles and data() API (cmp. VcsAnnotationModel dox), so accessing custom API instead
    auto* vcsModel = qobject_cast<VcsAnnotationModel*>(model);
    Q_ASSERT(vcsModel);
    if (!painter || !vcsModel) {
        return;
    }
    // test of line just for sake of completeness skipped here

    // Fetch data from the model
    const VcsAnnotationLine annotationLine = vcsModel->annotationLine(line);

    if (annotationLine.revision().revisionType() == VcsRevision::Invalid) {
        return;
    }

    // prepare
    painter->save();

    renderBackground(painter, option, annotationLine);

    // We use the normal UI font here, which usually is a proportimal one,
    // so more text fits into the available space.
    // Though we do this at the cost of not adapting to any scaled content font size,
    // as there is no zooming state info available, so we cannot adapt.
    // Tooltip font also is not scaled, and annotations could be considered to fall into
    // that category, so might be fine.
    painter->setFont(option.view->font());

    if (option.visibleWrappedLineInGroup == 0) {
        QRect ageRect;
        QString ageText;
        const auto date = annotationLine.date();
        if (date.isValid()) {
            ageText = ageOfDate(date.date());
            ageRect = QRect(QPoint(0, 0), QSize(option.fontMetrics.horizontalAdvance(ageText), option.rect.height()));
        }

        const auto messageText = annotationLine.commitMessage();
        // messageRect must be valid, so its width must be positive
        const auto messageRectWidth = messageText.isEmpty() ? 1 : option.fontMetrics.horizontalAdvance(messageText);
        auto messageRect = QRect(QPoint(0, 0), QSize{messageRectWidth, option.rect.height()});

        doMessageLineLayout(option, &messageRect, &ageRect);

        renderMessageAndAge(painter, option, messageRect, messageText, ageRect, ageText);
    } else if (option.visibleWrappedLineInGroup == 1) {
        const auto author = annotationLine.author();
        if (!author.isEmpty()) {
            const auto authorText = i18nc("By: commit author", "By: %1", author);
            auto authorRect =
                QRect(QPoint(0, 0), QSize(option.fontMetrics.horizontalAdvance(authorText), option.rect.height()));

            doAuthorLineLayout(option, &authorRect);