Method validateEditLive

src/editor.cpp:2368–2397

}

void RcxEditor::validateEditLive() {
    QString lineText = getLineText(m_sci, m_editState.line);
    int delta = lineText.size() - m_editState.linelenAfterReplace;
    int editedLen = m_editState.original.size() + delta;
    QString text = (editedLen > 0)
        ? lineText.mid(m_editState.spanStart, editedLen).trimmed() : QString();
    QString errorMsg = (m_editState.target == EditTarget::BaseAddress)
        ? fmt::validateBaseAddress(text)
        : fmt::validateValue(m_editState.editKind, text);

    const LineMeta* lm = metaForLine(m_editState.line);
    const bool isSelected = lm && m_currentSelIds.contains(lm->nodeId);
    const bool isValid = errorMsg.isEmpty();

    // Only update comment when validation state changes (avoid lag)
    const bool stateChanged = (isValid != m_editState.lastValidationOk);
    m_editState.lastValidationOk = isValid;

    // Show/hide error marker (red background)
    // M_SELECTED has higher priority than M_ERR, so temporarily remove it when error
    if (isValid) {
        m_sci->markerDelete(m_editState.line, M_ERR);
        if (isSelected) m_sci->markerAdd(m_editState.line, M_SELECTED);
        if (stateChanged) setEditComment("Enter=Save Esc=Cancel");
    } else {
        if (isSelected) m_sci->markerDelete(m_editState.line, M_SELECTED);
        m_sci->markerAdd(m_editState.line, M_ERR);
        if (stateChanged) setEditComment("! " + errorMsg);
    }
}

void RcxEditor::setCommandRowText(const QString& line) {
    if (m_sci->lines() <= 0) return;