Method showExtendedContextMenu

src/frontend/spreadsheet/SearchReplaceWidget.cpp:1516–1616

};

void SearchReplaceWidget::showExtendedContextMenu(bool replace, const QPoint& pos) {
	// create the original menu
	QLineEdit* lineEdit;
	if (replace)
		lineEdit = uiSearchReplace.cbReplaceText->lineEdit();
	else
		lineEdit = uiSearchReplace.cbValueText->lineEdit();

	auto* const contextMenu = lineEdit->createStandardContextMenu();
	if (!contextMenu)
		return;

	// the extension should only be available for regex
	const auto opText = static_cast<OperatorText>(uiSearchReplace.cbOperatorText->currentData().toInt());
	if (opText != OperatorText::RegEx) {
		contextMenu->exec(lineEdit->mapToGlobal(pos));
		return;
	}

	// create the extension sub-menu
	AddMenuManager addMenuManager(contextMenu, 37);
	if (!replace) {
		addMenuManager.addEntry(QStringLiteral("^"), QString(), i18n("Beginning of line"));
		addMenuManager.addEntry(QStringLiteral("$"), QString(), i18n("End of line"));
		addMenuManager.addSeparator();
		addMenuManager.addEntry(QStringLiteral("."), QString(), i18n("Match any character excluding new line (by default)"));
		addMenuManager.addEntry(QStringLiteral("+"), QString(), i18n("One or more occurrences"));
		addMenuManager.addEntry(QStringLiteral("*"), QString(), i18n("Zero or more occurrences"));
		addMenuManager.addEntry(QStringLiteral("?"), QString(), i18n("Zero or one occurrences"));
		addMenuManager.addEntry(QStringLiteral("{a"), QStringLiteral(",b}"), i18n("<a> through <b> occurrences"), QStringLiteral("{"), QStringLiteral(",}"));
		addMenuManager.addSeparator();
		addMenuManager.addEntry(QStringLiteral("("), QStringLiteral(")"), i18n("Group, capturing"));
		addMenuManager.addEntry(QStringLiteral("|"), QString(), i18n("Or"));
		addMenuManager.addEntry(QStringLiteral("["), QStringLiteral("]"), i18n("Set of characters"));
		addMenuManager.addEntry(QStringLiteral("[^"), QStringLiteral("]"), i18n("Negative set of characters"));
		addMenuManager.addSeparator();
	} else {
		addMenuManager.addEntry(QStringLiteral("\\0"), QString(), i18n("Whole match reference"));
		addMenuManager.addSeparator();
		const QString pattern = uiSearchReplace.cbReplace->currentText();
		const auto& capturePatterns = this->capturePatterns(pattern);

		const int captureCount = capturePatterns.count();
		for (int i = 1; i <= 9; i++) {
			const QString number = QString::number(i);
			const QString& captureDetails =
				(i <= captureCount) ? QLatin1String(" = (") + QStringView(capturePatterns[i - 1]).left(30) + QLatin1Char(')') : QString();
			addMenuManager.addEntry(QLatin1String("\\") + number, QString(), i18n("Reference") + QLatin1Char(' ') + number + captureDetails);
		}

		addMenuManager.addSeparator();
	}

	addMenuManager.addEntry(QStringLiteral("\\n"), QString(), i18n("Line break"));
	addMenuManager.addEntry(QStringLiteral("\\t"), QString(), i18n("Tab"));

	if (!replace) {
		addMenuManager.addEntry(QStringLiteral("\\b"), QString(), i18n("Word boundary"));