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	diff --git a/src/kleo/keyfiltermanager.cpp b/src/kleo/keyfiltermanager.cpp
	index 9be56d99..d9f42bbd 100644
	--- a/src/kleo/keyfiltermanager.cpp
	+++ b/src/kleo/keyfiltermanager.cpp
	@@ -1,481 +1,489 @@
	/*
	keyfiltermanager.cpp

	This file is part of libkleopatra, the KDE keymanagement library
	SPDX-FileCopyrightText: 2004 Klarälvdalens Datakonsult AB

	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#include <config-libkleo.h>

	#include "keyfiltermanager.h"

	#include "defaultkeyfilter.h"
	#include "kconfigbasedkeyfilter.h"
	#include "stl_util.h"

	#include <libkleo/algorithm.h>
	#include <libkleo/compliance.h>
	#include <libkleo/gnupg.h>
	#include <libkleo/keyhelpers.h>

	#include <libkleo_debug.h>

	#include <KConfig>
	#include <KConfigGroup>
	#include <KLocalizedString>
	#include <KSharedConfig>

	#include <QAbstractListModel>
	#include <QCoreApplication>
	#include <QIcon>
	#include <QModelIndex>
	#include <QRegularExpression>
	#include <QStringList>

	#include <algorithm>
	#include <climits>
	#include <functional>

	using namespace Kleo;
	using namespace GpgME;

	namespace
	{

	class Model : public QAbstractListModel
	{
	KeyFilterManager::Private *m_keyFilterManagerPrivate;

	public:
	explicit Model(KeyFilterManager::Private *p)
	: QAbstractListModel(nullptr)
	, m_keyFilterManagerPrivate(p)
	{
	}

	int rowCount(const QModelIndex &) const override;
	QVariant data(const QModelIndex &idx, int role) const override;
	/* upgrade to public */ using QAbstractListModel::beginResetModel;
	/* upgrade to public */ using QAbstractListModel::endResetModel;
	};

	class AllCertificatesKeyFilter : public DefaultKeyFilter
	{
	public:
	AllCertificatesKeyFilter()
	: DefaultKeyFilter()
	{
	setSpecificity(UINT_MAX); // overly high for ordering
	setName(i18n("All Certificates"));
	setId(QStringLiteral("all-certificates"));
	setMatchContexts(Filtering);
	}
	};

	class MyCertificatesKeyFilter : public DefaultKeyFilter
	{
	public:
	MyCertificatesKeyFilter()
	: DefaultKeyFilter()
	{
	setHasSecret(Set);
	setSpecificity(UINT_MAX - 1); // overly high for ordering

	setName(i18n("My Certificates"));
	setId(QStringLiteral("my-certificates"));
	setMatchContexts(AnyMatchContext);
	setBold(true);
	}
	};

	class TrustedCertificatesKeyFilter : public DefaultKeyFilter
	{
	public:
	TrustedCertificatesKeyFilter()
	: DefaultKeyFilter()
	{
	setRevoked(NotSet);
	setValidity(IsAtLeast);
	setValidityReferenceLevel(UserID::Marginal);
	setSpecificity(UINT_MAX - 2); // overly high for ordering

	setName(i18n("Trusted Certificates"));
	setId(QStringLiteral("trusted-certificates"));
	setMatchContexts(Filtering);
	}
	};

	class FullCertificatesKeyFilter : public DefaultKeyFilter
	{
	public:
	FullCertificatesKeyFilter()
	: DefaultKeyFilter()
	{
	setRevoked(NotSet);
	setValidity(IsAtLeast);
	setValidityReferenceLevel(UserID::Full);
	setSpecificity(UINT_MAX - 3);

	setName(i18n("Fully Trusted Certificates"));
	setId(QStringLiteral("full-certificates"));
	setMatchContexts(Filtering);
	}
	};

	class OtherCertificatesKeyFilter : public DefaultKeyFilter
	{
	public:
	OtherCertificatesKeyFilter()
	: DefaultKeyFilter()
	{
	setHasSecret(NotSet);
	setValidity(IsAtMost);
	setValidityReferenceLevel(UserID::Never);
	setSpecificity(UINT_MAX - 4); // overly high for ordering

	setName(i18n("Other Certificates"));
	setId(QStringLiteral("other-certificates"));
	setMatchContexts(Filtering);
	}
	};

	/* This filter selects uncertified OpenPGP keys, i.e. "good" OpenPGP keys with
	* unrevoked user IDs that are not fully valid. */
	class UncertifiedOpenPGPKeysFilter : public DefaultKeyFilter
	{
	public:
	UncertifiedOpenPGPKeysFilter()
	: DefaultKeyFilter()
	{
	setSpecificity(UINT_MAX - 6); // overly high for ordering
	setName(i18n("Not Certified Certificates"));
	setId(QStringLiteral("not-certified-certificates"));

	setMatchContexts(Filtering);
	setIsOpenPGP(Set);
	setIsBad(NotSet);
	}
	bool matches(const Key &key, MatchContexts contexts) const override
	{
	return DefaultKeyFilter::matches(key, contexts) && !Kleo::allUserIDsHaveFullValidity(key);
	}
	+ bool matches(const UserID &userID, MatchContexts contexts) const override
	+ {
	+ return DefaultKeyFilter::matches(userID.parent(), contexts) && userID.validity() < UserID::Full;
	+ }
	};

	/* This filter selects only invalid keys (i.e. those where not all
	* UIDs are at least fully valid). */
	class KeyNotValidFilter : public DefaultKeyFilter
	{
	public:
	KeyNotValidFilter()
	: DefaultKeyFilter()
	{
	setSpecificity(UINT_MAX - 7); // overly high for ordering

	setName(i18n("Not Validated Certificates"));
	setId(QStringLiteral("not-validated-certificates"));
	setMatchContexts(Filtering);
	}
	bool matches(const Key &key, MatchContexts contexts) const override
	{
	return DefaultKeyFilter::matches(key, contexts) && !Kleo::allUserIDsHaveFullValidity(key);
	}
	+ bool matches(const UserID &userID, MatchContexts contexts) const override
	+ {
	+ return DefaultKeyFilter::matches(userID.parent(), contexts) && userID.validity() < UserID::Full;
	+ }
	};

	}

	static std::vector<std::shared_ptr<KeyFilter>> defaultFilters()
	{
	std::vector<std::shared_ptr<KeyFilter>> result;
	result.reserve(6);
	result.push_back(std::shared_ptr<KeyFilter>(new MyCertificatesKeyFilter));
	result.push_back(std::shared_ptr<KeyFilter>(new TrustedCertificatesKeyFilter));
	result.push_back(std::shared_ptr<KeyFilter>(new FullCertificatesKeyFilter));
	result.push_back(std::shared_ptr<KeyFilter>(new OtherCertificatesKeyFilter));
	result.push_back(std::shared_ptr<KeyFilter>(new AllCertificatesKeyFilter));
	result.push_back(std::shared_ptr<KeyFilter>(new UncertifiedOpenPGPKeysFilter));
	result.push_back(std::shared_ptr<KeyFilter>(new KeyNotValidFilter));
	return result;
	}

	class KeyFilterManager::Private
	{
	public:
	Private()
	: filters()
	, model(this)
	{
	}
	void clear()
	{
	model.beginResetModel();
	filters.clear();
	model.endResetModel();
	}

	std::vector<std::shared_ptr<KeyFilter>> filters;
	Model model;
	GpgME::Protocol protocol = GpgME::UnknownProtocol;
	};

	KeyFilterManager *KeyFilterManager::mSelf = nullptr;

	KeyFilterManager::KeyFilterManager(QObject *parent)
	: QObject(parent)
	, d(new Private)
	{
	mSelf = this;
	// ### DF: doesn't a KStaticDeleter work more reliably?
	if (QCoreApplication *app = QCoreApplication::instance()) {
	connect(app, &QCoreApplication::aboutToQuit, this, &QObject::deleteLater);
	}
	reload();
	}

	KeyFilterManager::~KeyFilterManager()
	{
	mSelf = nullptr;
	if (d) {
	d->clear();
	}
	}

	KeyFilterManager *KeyFilterManager::instance()
	{
	if (!mSelf) {
	mSelf = new KeyFilterManager();
	}
	return mSelf;
	}

	void KeyFilterManager::alwaysFilterByProtocol(GpgME::Protocol protocol)
	{
	if (protocol != d->protocol) {
	d->protocol = protocol;
	reload();
	}
	}

	const std::shared_ptr<KeyFilter> &KeyFilterManager::filterMatching(const Key &key, KeyFilter::MatchContexts contexts) const
	{
	const auto it = std::find_if(d->filters.cbegin(), d->filters.cend(), [&key, contexts](const std::shared_ptr<KeyFilter> &filter) {
	return filter->matches(key, contexts);
	});
	if (it != d->filters.cend()) {
	return *it;
	}
	static const std::shared_ptr<KeyFilter> null;
	return null;
	}

	std::vector<std::shared_ptr<KeyFilter>> KeyFilterManager::filtersMatching(const Key &key, KeyFilter::MatchContexts contexts) const
	{
	std::vector<std::shared_ptr<KeyFilter>> result;
	result.reserve(d->filters.size());
	std::remove_copy_if(d->filters.begin(), d->filters.end(), std::back_inserter(result), [&key, contexts](const std::shared_ptr<KeyFilter> &filter) {
	return !filter->matches(key, contexts);
	});
	return result;
	}

	namespace
	{
	static const auto byDecreasingSpecificity = [](const std::shared_ptr<KeyFilter> &lhs, const std::shared_ptr<KeyFilter> &rhs) {
	return lhs->specificity() > rhs->specificity();
	};
	}

	void KeyFilterManager::reload()
	{
	d->clear();

	d->filters = defaultFilters();
	KSharedConfigPtr config = KSharedConfig::openConfig(QStringLiteral("libkleopatrarc"));

	const QStringList groups = config->groupList().filter(QRegularExpression(QStringLiteral("^Key Filter #\\d+$")));
	const bool ignoreDeVs = !DeVSCompliance::isCompliant();
	for (QStringList::const_iterator it = groups.begin(); it != groups.end(); ++it) {
	const KConfigGroup cfg(config, *it);
	if (cfg.hasKey("is-de-vs") && ignoreDeVs) {
	/* Don't show de-vs filters in other compliance modes */
	continue;
	}
	d->filters.push_back(std::shared_ptr<KeyFilter>(new KConfigBasedKeyFilter(cfg)));
	}
	std::stable_sort(d->filters.begin(), d->filters.end(), byDecreasingSpecificity);

	if (d->protocol != GpgME::UnknownProtocol) {
	// remove filters with conflicting isOpenPGP rule
	const auto conflictingValue = (d->protocol == GpgME::OpenPGP) ? DefaultKeyFilter::NotSet : DefaultKeyFilter::Set;
	Kleo::erase_if(d->filters, [conflictingValue](const auto &f) {
	const auto filter = std::dynamic_pointer_cast<DefaultKeyFilter>(f);
	Q_ASSERT(filter);
	return filter->isOpenPGP() == conflictingValue;
	});
	// add isOpenPGP rule to all filters
	const auto isOpenPGPValue = (d->protocol == GpgME::OpenPGP) ? DefaultKeyFilter::Set : DefaultKeyFilter::NotSet;
	std::for_each(std::begin(d->filters), std::end(d->filters), [isOpenPGPValue](auto &f) {
	const auto filter = std::dynamic_pointer_cast<DefaultKeyFilter>(f);
	Q_ASSERT(filter);
	return filter->setIsOpenPGP(isOpenPGPValue);
	});
	}
	qCDebug(LIBKLEO_LOG) << "KeyFilterManager::" << __func__ << "final filter count is" << d->filters.size();
	}

	QAbstractItemModel *KeyFilterManager::model() const
	{
	return &d->model;
	}

	const std::shared_ptr<KeyFilter> &KeyFilterManager::keyFilterByID(const QString &id) const
	{
	const auto it = std::find_if(d->filters.begin(), d->filters.end(), [id](const std::shared_ptr<KeyFilter> &filter) {
	return filter->id() == id;
	});
	if (it != d->filters.end()) {
	return *it;
	}
	static const std::shared_ptr<KeyFilter> null;
	return null;
	}

	const std::shared_ptr<KeyFilter> &KeyFilterManager::fromModelIndex(const QModelIndex &idx) const
	{
	if (!idx.isValid() \|\| idx.model() != &d->model \|\| idx.row() < 0 \|\| static_cast<unsigned>(idx.row()) >= d->filters.size()) {
	static const std::shared_ptr<KeyFilter> null;
	return null;
	}
	return d->filters[idx.row()];
	}

	QModelIndex KeyFilterManager::toModelIndex(const std::shared_ptr<KeyFilter> &kf) const
	{
	if (!kf) {
	return {};
	}
	const auto pair = std::equal_range(d->filters.cbegin(), d->filters.cend(), kf, byDecreasingSpecificity);
	const auto it = std::find(pair.first, pair.second, kf);
	if (it != pair.second) {
	return d->model.index(it - d->filters.begin());
	} else {
	return QModelIndex();
	}
	}

	int Model::rowCount(const QModelIndex &) const
	{
	return m_keyFilterManagerPrivate->filters.size();
	}

	QVariant Model::data(const QModelIndex &idx, int role) const
	{
	if (!idx.isValid() \|\| idx.model() != this \|\| idx.row() < 0 \|\| static_cast<unsigned>(idx.row()) > m_keyFilterManagerPrivate->filters.size()) {
	return QVariant();
	}

	const auto filter = m_keyFilterManagerPrivate->filters[idx.row()];
	switch (role) {
	case Qt::DecorationRole:
	return filter->icon();

	case Qt::DisplayRole:
	case Qt::EditRole:
	case Qt::ToolTipRole: /* Most useless tooltip ever. */
	return filter->name();

	case KeyFilterManager::FilterIdRole:
	return filter->id();

	case KeyFilterManager::FilterMatchContextsRole:
	return QVariant::fromValue(filter->availableMatchContexts());

	default:
	return QVariant();
	}
	}

	static KeyFilter::FontDescription
	get_fontdescription(const std::vector<std::shared_ptr<KeyFilter>> &filters, const Key &key, const KeyFilter::FontDescription &initial)
	{
	return kdtools::accumulate_if(
	filters.begin(),
	filters.end(),
	[&key](const std::shared_ptr<KeyFilter> &filter) {
	return filter->matches(key, KeyFilter::Appearance);
	},
	initial,
	[](const KeyFilter::FontDescription &lhs, const std::shared_ptr<KeyFilter> &rhs) {
	return lhs.resolve(rhs->fontDescription());
	});
	}

	QFont KeyFilterManager::font(const Key &key, const QFont &baseFont) const
	{
	const KeyFilter::FontDescription fd = get_fontdescription(d->filters, key, KeyFilter::FontDescription());

	return fd.font(baseFont);
	}

	static QColor get_color(const std::vector<std::shared_ptr<KeyFilter>> &filters, const Key &key, QColor (KeyFilter::*fun)() const)
	{
	const auto it = std::find_if(filters.cbegin(), filters.cend(), [&fun, &key](const std::shared_ptr<KeyFilter> &filter) {
	return filter->matches(key, KeyFilter::Appearance) && (filter.get()->*fun)().isValid();
	});
	if (it == filters.cend()) {
	return {};
	} else {
	return (it->get()->*fun)();
	}
	}

	static QColor get_color(const std::vector<std::shared_ptr<KeyFilter>> &filters, const UserID &userID, QColor (KeyFilter::*fun)() const)
	{
	const auto it = std::find_if(filters.cbegin(), filters.cend(), [&fun, &userID](const std::shared_ptr<KeyFilter> &filter) {
	return filter->matches(userID, KeyFilter::Appearance) && (filter.get()->*fun)().isValid();
	});
	if (it == filters.cend()) {
	return {};
	} else {
	return (it->get()->*fun)();
	}
	}

	static QString get_string(const std::vector<std::shared_ptr<KeyFilter>> &filters, const Key &key, QString (KeyFilter::*fun)() const)
	{
	const auto it = std::find_if(filters.cbegin(), filters.cend(), [&fun, &key](const std::shared_ptr<KeyFilter> &filter) {
	return filter->matches(key, KeyFilter::Appearance) && !(filter.get()->*fun)().isEmpty();
	});
	if (it == filters.cend()) {
	return QString();
	} else {
	return (*it)->icon();
	}
	}

	QColor KeyFilterManager::bgColor(const Key &key) const
	{
	return get_color(d->filters, key, &KeyFilter::bgColor);
	}

	QColor KeyFilterManager::fgColor(const Key &key) const
	{
	return get_color(d->filters, key, &KeyFilter::fgColor);
	}

	QColor KeyFilterManager::bgColor(const UserID &userID) const
	{
	return get_color(d->filters, userID, &KeyFilter::bgColor);
	}

	QColor KeyFilterManager::fgColor(const UserID &userID) const
	{
	return get_color(d->filters, userID, &KeyFilter::fgColor);
	}

	QIcon KeyFilterManager::icon(const Key &key) const
	{
	const QString icon = get_string(d->filters, key, &KeyFilter::icon);
	return icon.isEmpty() ? QIcon() : QIcon::fromTheme(icon);
	}
	diff --git a/src/models/useridproxymodel.cpp b/src/models/useridproxymodel.cpp
	index 3b7efd05..31bf9deb 100644
	--- a/src/models/useridproxymodel.cpp
	+++ b/src/models/useridproxymodel.cpp
	@@ -1,189 +1,201 @@
	/*
	SPDX-FileCopyrightText: 2024 g10 Code GmbH
	SPDX-FileContributor: Tobias Fella <tobias.fella@gnupg.com>
	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#include "useridproxymodel.h"

	#include "keylist.h"
	#include "keylistmodel.h"
	#include "kleo/keyfiltermanager.h"
	#include "utils/formatting.h"
	#include "utils/systeminfo.h"

	#include <global.h>

	#include <QColor>

	using namespace Kleo;

	UserIDProxyModel::UserIDProxyModel(QObject *parent)
	: AbstractKeyListSortFilterProxyModel(parent)
	{
	}

	static QVariant returnIfValid(const QColor &t)
	{
	if (t.isValid()) {
	return t;
	} else {
	return QVariant();
	}
	}

	QModelIndex UserIDProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
	{
	if (!sourceIndex.isValid()) {
	return {};
	}
	int row = 0;
	for (int i = 0; i < sourceIndex.row(); i++) {
	row += userIDsOfSourceRow(i);
	}
	return index(row, sourceIndex.column(), {});
	}

	QModelIndex UserIDProxyModel::mapToSource(const QModelIndex &proxyIndex) const
	{
	if (!proxyIndex.isValid()) {
	return {};
	}
	return sourceModel()->index(sourceRowForProxyIndex(proxyIndex), proxyIndex.column(), {});
	}

	int UserIDProxyModel::rowCount(const QModelIndex &parent) const
	{
	if (parent.isValid()) {
	return 0;
	}
	int sum = 0;
	for (int i = 0; i < sourceModel()->rowCount(); i++) {
	sum += userIDsOfSourceRow(i);
	}
	return sum;
	}

	QModelIndex UserIDProxyModel::index(int row, int column, const QModelIndex &parent) const
	{
	if (parent.isValid()) {
	return {};
	}
	return createIndex(row, column, nullptr);
	}

	QModelIndex UserIDProxyModel::parent(const QModelIndex &) const
	{
	return {};
	}

	int UserIDProxyModel::columnCount(const QModelIndex &index) const
	{
	return sourceModel()->columnCount(mapToSource(index));
	}

	QVariant UserIDProxyModel::data(const QModelIndex &index, int role) const
	{
	const auto row = sourceRowForProxyIndex(index);
	const auto offset = sourceOffsetForProxyIndex(index);
	const auto model = dynamic_cast<AbstractKeyListModel *>(sourceModel());
	const auto key = model->key(model->index(row, 0));
	if (key.isNull()) {
	return AbstractKeyListSortFilterProxyModel::data(index, role);
	}
	const auto userId = key.userID(offset);
	if ((role == Qt::DisplayRole \|\| role == Qt::EditRole \|\| role == Qt::AccessibleTextRole)) {
	if (index.column() == KeyList::Columns::PrettyName) {
	auto name = QString::fromUtf8(userId.name());
	if (name.isEmpty()) {
	return AbstractKeyListSortFilterProxyModel::data(index, role);
	}
	return name;
	}
	if (index.column() == KeyList::Columns::PrettyEMail) {
	return QString::fromUtf8(userId.email());
	}
	if (index.column() == KeyList::Columns::Validity) {
	return Formatting::complianceStringShort(userId);
	}
	if (index.column() == KeyList::Columns::Summary) {
	return Formatting::summaryLine(userId);
	}
	if (index.column() == KeyList::Columns::Origin) {
	return Formatting::origin(userId.origin());
	}
	if (index.column() == KeyList::Columns::LastUpdate) {
	if (role == Qt::AccessibleTextRole) {
	return Formatting::accessibleDate(userId.lastUpdate());
	} else {
	return Formatting::dateString(userId.lastUpdate());
	}
	}
	}
	if (role == Qt::BackgroundRole) {
	if (!SystemInfo::isHighContrastModeActive()) {
	return returnIfValid(KeyFilterManager::instance()->bgColor(userId));
	}
	} else if (role == Qt::ForegroundRole) {
	if (!SystemInfo::isHighContrastModeActive()) {
	return returnIfValid(KeyFilterManager::instance()->fgColor(userId));
	}
	}
	return AbstractKeyListSortFilterProxyModel::data(index, role);
	}

	int UserIDProxyModel::sourceRowForProxyIndex(const QModelIndex &index) const
	{
	int row = index.row();
	int i;
	for (i = 0; row >= userIDsOfSourceRow(i); i++) {
	row -= userIDsOfSourceRow(i);
	}
	return i;
	}

	int UserIDProxyModel::sourceOffsetForProxyIndex(const QModelIndex &index) const
	{
	int row = index.row();
	int i;
	for (i = 0; row >= userIDsOfSourceRow(i); i++) {
	row -= userIDsOfSourceRow(i);
	}
	auto model = dynamic_cast<AbstractKeyListModel *>(sourceModel());
	auto key = model->key(model->index(sourceRowForProxyIndex(index), 0));
	int tmp = row;
	for (int j = 0; j <= tmp; j++) {
	// account for filtered out S/MIME user IDs
	if (key.protocol() == GpgME::Protocol::CMS && !key.userID(j).email()) {
	row++;
	}
	}
	return row;
	}

	int UserIDProxyModel::userIDsOfSourceRow(int sourceRow) const
	{
	auto model = dynamic_cast<AbstractKeyListModel *>(sourceModel());
	auto key = model->key(model->index(sourceRow, 0));

	if (key.protocol() == GpgME::OpenPGP) {
	return key.numUserIDs();
	}
	// Try to filter out some useless SMIME user ids
	int count = 0;
	const auto &uids = key.userIDs();
	for (auto it = uids.begin(); it != uids.end(); ++it) {
	const auto &uid = *it;
	if (uid.email()) {
	count++;
	}
	}
	return count;
	}

	UserIDProxyModel *UserIDProxyModel::clone() const
	{
	auto model = new UserIDProxyModel(QObject::parent());
	model->setSourceModel(sourceModel());
	return model;
	}
	+
	+QModelIndex UserIDProxyModel::index(const KeyGroup &group) const
	+{
	+ Q_UNUSED(group);
	+ return {};
	+}
	+
	+QModelIndex UserIDProxyModel::index(const GpgME::Key &key) const
	+{
	+ Q_UNUSED(key);
	+ return {};
	+}
	diff --git a/src/models/useridproxymodel.h b/src/models/useridproxymodel.h
	index 213c68af..506d2798 100644
	--- a/src/models/useridproxymodel.h
	+++ b/src/models/useridproxymodel.h
	@@ -1,34 +1,36 @@
	/*
	SPDX-FileCopyrightText: 2024 g10 Code GmbH
	SPDX-FileContributor: Tobias Fella <tobias.fella@gnupg.com>
	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#pragma once

	#include "kleo_export.h"
	#include <Libkleo/KeyListSortFilterProxyModel>

	namespace Kleo
	{

	class KLEO_EXPORT UserIDProxyModel : public Kleo::AbstractKeyListSortFilterProxyModel
	{
	Q_OBJECT

	public:
	explicit UserIDProxyModel(QObject *parent = nullptr);

	QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override;
	QModelIndex mapToSource(const QModelIndex &proxyIndex) const override;
	int rowCount(const QModelIndex &parent = {}) const override;
	QModelIndex index(int row, int column, const QModelIndex &parent) const override;
	virtual QModelIndex parent(const QModelIndex &) const override;
	int columnCount(const QModelIndex &) const override;
	QVariant data(const QModelIndex &index, int role) const override;
	int sourceRowForProxyIndex(const QModelIndex &index) const;
	int sourceOffsetForProxyIndex(const QModelIndex &index) const;
	int userIDsOfSourceRow(int sourceRow) const;
	UserIDProxyModel *clone() const override;
	+ QModelIndex index(const KeyGroup &) const override;
	+ QModelIndex index(const GpgME::Key &key) const override;
	};
	}

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