Method updateMovingCursor

kdevplatform/debugger/breakpoint/breakpoint.cpp:500–540

}

void Breakpoint::updateMovingCursor(const QUrl& url, int line)
{
    // Can a moving cursor even be enabled?
    if (!m_model || line < 0 || url.isEmpty()) {
        stopDocumentLineTracking();
        return;
    }

    if (m_movingCursor) {
        // Cursor is attached already, is it possible to retain it?
        auto* const document = m_movingCursor->document();
        if (document && document->url() == url) {
            if (line >= document->lines()) {
                stopDocumentLineTracking();
            } else if (m_movingCursor->line() != line) {
                {
                    const auto guard = m_model->markChangeGuard();
                    document->removeMark(m_movingCursor->line(), BreakpointModel::AllBreakpointMarks);
                    document->addMark(line, markType());
                }
                m_movingCursor->setLine(line);
            }
            return;
        }
    }

    // Find the document:
    const auto* const documentController = ICore::self()->documentController();
    const auto* const document = documentController ? documentController->documentForUrl(url) : nullptr;
    if (document) {
        // Either document changed or the breakpoint has no moving cursor yet.
        const auto textDocument = document->textDocument();
        if (textDocument && line < textDocument->lines()) {
            restartDocumentLineTrackingAt(*textDocument, line);
            return;
        }
    }

    // No document was found, or the location is after the last line of the new document.
    stopDocumentLineTracking();
}