useridselectioncombo.cpp
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useridselectioncombo.cpp
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	/* This file is part of Kleopatra, the KDE keymanager
	SPDX-FileCopyrightText: 2016 Klarälvdalens Datakonsult AB

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

	#include <config-libkleo.h>

	#include "useridselectioncombo.h"

	#include "progressbar.h"

	#include <libkleo/defaultkeyfilter.h>
	#include <libkleo/dn.h>
	#include <libkleo/formatting.h>
	#include <libkleo/keycache.h>
	#include <libkleo/keyfiltermanager.h>
	#include <libkleo/keyhelpers.h>
	#include <libkleo/keylist.h>
	#include <libkleo/keylistmodel.h>
	#include <libkleo/keylistsortfilterproxymodel.h>
	#include <libkleo/useridproxymodel.h>

	#include <kleo_ui_debug.h>

	#include <KLocalizedString>

	#include <QHBoxLayout>
	#include <QList>
	#include <QSortFilterProxyModel>
	#include <QTimer>
	#include <QToolButton>

	#include <gpgme++/key.h>

	using namespace Kleo;

	#if !UNITY_BUILD
	Q_DECLARE_METATYPE(GpgME::Key)
	#endif
	namespace
	{
	class SortFilterProxyModel : public KeyListSortFilterProxyModel
	{
	Q_OBJECT

	public:
	using KeyListSortFilterProxyModel::KeyListSortFilterProxyModel;

	void setAlwaysAcceptedKey(const QString &fingerprint)
	{
	if (fingerprint == mFingerprint) {
	return;
	}
	mFingerprint = fingerprint;
	invalidate();
	}

	protected:
	bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override
	{
	if (!mFingerprint.isEmpty()) {
	const QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
	const auto fingerprint = sourceModel()->data(index, KeyList::FingerprintRole).toString();
	if (fingerprint == mFingerprint) {
	return true;
	}
	}

	return KeyListSortFilterProxyModel::filterAcceptsRow(source_row, source_parent);
	}

	private:
	QString mFingerprint;
	};

	static QString formatUserID(const GpgME::UserID &userID)
	{
	QString name;
	QString email;

	if (userID.parent().protocol() == GpgME::OpenPGP) {
	name = QString::fromUtf8(userID.name());
	email = QString::fromUtf8(userID.email());
	} else {
	const Kleo::DN dn(userID.id());
	name = dn[QStringLiteral("CN")];
	email = dn[QStringLiteral("EMAIL")];
	if (name.isEmpty()) {
	name = Kleo::DN(userID.parent().userID(0).id())[QStringLiteral("CN")];
	}
	}
	return email.isEmpty() ? name : name.isEmpty() ? email : i18nc("Name <email>", "%1 <%2>", name, email);
	}

	class SortAndFormatCertificatesProxyModel : public QSortFilterProxyModel
	{
	Q_OBJECT

	public:
	SortAndFormatCertificatesProxyModel(KeyUsage::Flags usageFlags, QObject *parent = nullptr)
	: QSortFilterProxyModel{parent}
	, mIconProvider{usageFlags}
	{
	}

	private:
	bool lessThan(const QModelIndex &left, const QModelIndex &right) const override
	{
	const auto leftUserId = sourceModel()->data(left, KeyList::UserIDRole).value<GpgME::UserID>();
	const auto rightUserId = sourceModel()->data(right, KeyList::UserIDRole).value<GpgME::UserID>();
	if (leftUserId.isNull()) {
	return false;
	}
	if (rightUserId.isNull()) {
	return true;
	}
	const auto leftNameAndEmail = formatUserID(leftUserId);
	const auto rightNameAndEmail = formatUserID(rightUserId);
	const int cmp = QString::localeAwareCompare(leftNameAndEmail, rightNameAndEmail);
	if (cmp) {
	return cmp < 0;
	}

	if (leftUserId.validity() != rightUserId.validity()) {
	return leftUserId.validity() > rightUserId.validity();
	}

	/* Both have the same validity, check which one is newer. */
	time_t leftTime = 0;
	for (const GpgME::Subkey &s : leftUserId.parent().subkeys()) {
	if (s.isBad()) {
	continue;
	}
	if (s.creationTime() > leftTime) {
	leftTime = s.creationTime();
	}
	}
	time_t rightTime = 0;
	for (const GpgME::Subkey &s : rightUserId.parent().subkeys()) {
	if (s.isBad()) {
	continue;
	}
	if (s.creationTime() > rightTime) {
	rightTime = s.creationTime();
	}
	}
	if (rightTime != leftTime) {
	return leftTime > rightTime;
	}

	// as final resort we compare the fingerprints
	return strcmp(leftUserId.parent().primaryFingerprint(), rightUserId.parent().primaryFingerprint()) < 0;
	}

	protected:
	QVariant data(const QModelIndex &index, int role) const override
	{
	if (!index.isValid()) {
	return QVariant();
	}

	const auto userId = QSortFilterProxyModel::data(index, KeyList::UserIDRole).value<GpgME::UserID>();
	Q_ASSERT(!userId.isNull());
	if (userId.isNull()) {
	return QVariant();
	}

	switch (role) {
	case Qt::DisplayRole:
	case Qt::AccessibleTextRole: {
	return Formatting::summaryLine(userId);
	}
	case Qt::ToolTipRole: {
	using namespace Kleo::Formatting;
	return Kleo::Formatting::toolTip(userId, Validity \| Issuer \| Subject \| Fingerprint \| ExpiryDates \| UserIDs);
	}
	case Qt::DecorationRole: {
	return mIconProvider.icon(userId.parent());
	}
	case Qt::FontRole: {
	return KeyFilterManager::instance()->font(userId.parent(), QFont());
	}
	default:
	return QSortFilterProxyModel::data(index, role);
	}
	}

	private:
	Formatting::IconProvider mIconProvider;
	};

	class CustomItemsProxyModel : public QSortFilterProxyModel
	{
	Q_OBJECT

	private:
	struct CustomItem {
	QIcon icon;
	QString text;
	QVariant data;
	QString toolTip;
	};

	public:
	CustomItemsProxyModel(QObject *parent = nullptr)
	: QSortFilterProxyModel(parent)
	{
	}

	~CustomItemsProxyModel() override
	{
	qDeleteAll(mFrontItems);
	qDeleteAll(mBackItems);
	}

	bool isCustomItem(const int row) const
	{
	return row < mFrontItems.count() \|\| row >= mFrontItems.count() + QSortFilterProxyModel::rowCount();
	}

	void prependItem(const QIcon &icon, const QString &text, const QVariant &data, const QString &toolTip)
	{
	beginInsertRows(QModelIndex(), 0, 0);
	mFrontItems.push_front(new CustomItem{icon, text, data, toolTip});
	endInsertRows();
	}

	void appendItem(const QIcon &icon, const QString &text, const QVariant &data, const QString &toolTip)
	{
	beginInsertRows(QModelIndex(), rowCount(), rowCount());
	mBackItems.push_back(new CustomItem{icon, text, data, toolTip});
	endInsertRows();
	}

	void removeCustomItem(const QVariant &data)
	{
	for (int i = 0; i < mFrontItems.count(); ++i) {
	if (mFrontItems[i]->data == data) {
	beginRemoveRows(QModelIndex(), i, i);
	delete mFrontItems.takeAt(i);
	endRemoveRows();
	return;
	}
	}
	for (int i = 0; i < mBackItems.count(); ++i) {
	if (mBackItems[i]->data == data) {
	const int index = mFrontItems.count() + QSortFilterProxyModel::rowCount() + i;
	beginRemoveRows(QModelIndex(), index, index);
	delete mBackItems.takeAt(i);
	endRemoveRows();
	return;
	}
	}
	}

	int rowCount(const QModelIndex &parent = QModelIndex()) const override
	{
	return mFrontItems.count() + QSortFilterProxyModel::rowCount(parent) + mBackItems.count();
	}

	int columnCount(const QModelIndex &parent = QModelIndex()) const override
	{
	Q_UNUSED(parent)
	// pretend that there is only one column to workaround a bug in
	// QAccessibleTable which provides the accessibility interface for the
	// pop-up of the combo box
	return 1;
	}

	QModelIndex mapToSource(const QModelIndex &index) const override
	{
	if (!index.isValid()) {
	return {};
	}
	if (!isCustomItem(index.row())) {
	const int sourceRow = index.row() - mFrontItems.count();
	return QSortFilterProxyModel::mapToSource(createIndex(sourceRow, index.column(), index.internalPointer()));
	}
	return {};
	}

	QModelIndex mapFromSource(const QModelIndex &source_index) const override
	{
	const QModelIndex idx = QSortFilterProxyModel::mapFromSource(source_index);
	return createIndex(mFrontItems.count() + idx.row(), idx.column(), idx.internalPointer());
	}

	QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override
	{
	if (row < 0 \|\| row >= rowCount()) {
	return {};
	}
	if (row < mFrontItems.count()) {
	return createIndex(row, column, mFrontItems[row]);
	} else if (row >= mFrontItems.count() + QSortFilterProxyModel::rowCount()) {
	return createIndex(row, column, mBackItems[row - mFrontItems.count() - QSortFilterProxyModel::rowCount()]);
	} else {
	const QModelIndex mi = QSortFilterProxyModel::index(row - mFrontItems.count(), column, parent);
	return createIndex(row, column, mi.internalPointer());
	}
	}

	Qt::ItemFlags flags(const QModelIndex &index) const override
	{
	Q_UNUSED(index)
	return Qt::ItemIsEnabled \| Qt::ItemIsSelectable \| Qt::ItemNeverHasChildren;
	}

	QModelIndex parent(const QModelIndex &) const override
	{
	// Flat list
	return {};
	}

	QVariant data(const QModelIndex &index, int role) const override
	{
	if (!index.isValid()) {
	return QVariant();
	}

	if (isCustomItem(index.row())) {
	Q_ASSERT(!mFrontItems.isEmpty() \|\| !mBackItems.isEmpty());
	auto ci = static_cast<CustomItem *>(index.internalPointer());
	switch (role) {
	case Qt::DisplayRole:
	return ci->text;
	case Qt::DecorationRole:
	return ci->icon;
	case Qt::UserRole:
	case KeyList::UserIDRole:
	return ci->data;
	case Qt::ToolTipRole:
	return ci->toolTip;
	default:
	return QVariant();
	}
	}

	return QSortFilterProxyModel::data(index, role);
	}

	private:
	QList<CustomItem *> mFrontItems;
	QList<CustomItem *> mBackItems;
	};

	} // anonymous namespace

	namespace Kleo
	{
	class UserIDSelectionComboPrivate
	{
	public:
	UserIDSelectionComboPrivate(UserIDSelectionCombo *parent, bool secretOnly_, KeyUsage::Flags usage)
	: wasEnabled(true)
	, secretOnly{secretOnly_}
	, usageFlags{usage}
	, q{parent}
	{
	}

	/* Selects the first key with a UID addrSpec that matches
	* the mPerfectMatchMbox variable.
	*
	* The idea here is that if there are keys like:
	*
	* tom-store@abc.com
	* susi-store@abc.com
	* store@abc.com
	*
	* And the user wants to send a mail to "store@abc.com"
	* the filter should still show tom and susi (because they
	* both are part of store) but the key for "store" should
	* be preselected.
	*
	* Returns true if one was selected. False otherwise. */
	bool selectPerfectIdMatch() const
	{
	if (mPerfectMatchMbox.isEmpty()) {
	return false;
	}

	for (int i = 0; i < proxyModel->rowCount(); ++i) {
	const auto idx = proxyModel->index(i, 0, QModelIndex());
	const auto userID = idx.data(KeyList::UserIDRole).value<GpgME::UserID>();
	if (userID.isNull()) {
	// WTF?
	continue;
	}
	if (QString::fromStdString(userID.addrSpec()) == mPerfectMatchMbox) {
	combo->setCurrentIndex(i);
	return true;
	}
	}
	return false;
	}

	/* Updates the current key with the default key if the key matches
	* the current key filter. */
	void updateWithDefaultKey()
	{
	GpgME::Protocol filterProto = GpgME::UnknownProtocol;

	const auto filter = dynamic_cast<const DefaultKeyFilter *>(sortFilterProxy->keyFilter().get());
	if (filter && filter->isOpenPGP() == DefaultKeyFilter::Set) {
	filterProto = GpgME::OpenPGP;
	} else if (filter && filter->isOpenPGP() == DefaultKeyFilter::NotSet) {
	filterProto = GpgME::CMS;
	}

	QString defaultKey = defaultKeys.value(filterProto);
	if (defaultKey.isEmpty()) {
	// Fallback to unknown protocol
	defaultKey = defaultKeys.value(GpgME::UnknownProtocol);
	}
	// make sure that the default key is not filtered out unless it has the wrong protocol
	if (filterProto == GpgME::UnknownProtocol) {
	sortFilterProxy->setAlwaysAcceptedKey(defaultKey);
	} else {
	const auto key = KeyCache::instance()->findByFingerprint(defaultKey.toLatin1().constData());
	if (!key.isNull() && key.protocol() == filterProto) {
	sortFilterProxy->setAlwaysAcceptedKey(defaultKey);
	} else {
	sortFilterProxy->setAlwaysAcceptedKey({});
	}
	}
	q->setCurrentKey(defaultKey);
	}

	void storeCurrentSelectionBeforeModelChange()
	{
	userIDBeforeModelChange = q->currentUserID();
	customItemBeforeModelChange = combo->currentData();
	}

	void restoreCurrentSelectionAfterModelChange()
	{
	if (!userIDBeforeModelChange.isNull()) {
	q->setCurrentUserID(userIDBeforeModelChange);
	} else if (customItemBeforeModelChange.isValid()) {
	const auto index = combo->findData(customItemBeforeModelChange);
	if (index != -1) {
	combo->setCurrentIndex(index);
	} else {
	updateWithDefaultKey();
	}
	}
	}

	Kleo::AbstractKeyListModel *model = nullptr;
	UserIDProxyModel *userIdProxy = nullptr;
	SortFilterProxyModel *sortFilterProxy = nullptr;
	SortAndFormatCertificatesProxyModel *sortAndFormatProxy = nullptr;
	CustomItemsProxyModel *proxyModel = nullptr;
	QComboBox *combo = nullptr;
	QToolButton *button = nullptr;
	std::shared_ptr<Kleo::KeyCache> cache;
	QMap<GpgME::Protocol, QString> defaultKeys;
	bool wasEnabled = false;
	bool useWasEnabled = false;
	bool secretOnly = false;
	bool initialKeyListingDone = false;
	QString mPerfectMatchMbox;
	GpgME::UserID userIDBeforeModelChange;
	QVariant customItemBeforeModelChange;
	KeyUsage::Flags usageFlags;

	private:
	UserIDSelectionCombo *const q;
	};

	}

	using namespace Kleo;

	UserIDSelectionCombo::UserIDSelectionCombo(QWidget *parent)
	: UserIDSelectionCombo(true, KeyUsage::None, parent)
	{
	}

	UserIDSelectionCombo::UserIDSelectionCombo(bool secretOnly, QWidget *parent)
	: UserIDSelectionCombo(secretOnly, KeyUsage::None, parent)
	{
	}

	UserIDSelectionCombo::UserIDSelectionCombo(KeyUsage::Flags usage, QWidget *parent)
	: UserIDSelectionCombo{false, usage, parent}
	{
	}

	UserIDSelectionCombo::UserIDSelectionCombo(KeyUsage::Flag usage, QWidget *parent)
	: UserIDSelectionCombo{false, usage, parent}
	{
	}

	UserIDSelectionCombo::UserIDSelectionCombo(bool secretOnly, KeyUsage::Flags usage, QWidget *parent)
	: QWidget(parent)
	, d(new UserIDSelectionComboPrivate(this, secretOnly, usage))
	{
	// set a non-empty string as accessible description to prevent screen readers
	// from reading the tool tip which isn't meant for screen readers
	setAccessibleDescription(QStringLiteral(" "));
	d->model = Kleo::AbstractKeyListModel::createFlatKeyListModel(this);

	d->userIdProxy = new UserIDProxyModel(this);
	d->userIdProxy->setSourceModel(d->model);

	d->sortFilterProxy = new SortFilterProxyModel(this);
	d->sortFilterProxy->setSourceModel(d->userIdProxy);

	d->sortAndFormatProxy = new SortAndFormatCertificatesProxyModel{usage, this};
	d->sortAndFormatProxy->setSourceModel(d->sortFilterProxy);
	// initialize dynamic sorting
	d->sortAndFormatProxy->sort(0);

	d->proxyModel = new CustomItemsProxyModel{this};
	d->proxyModel->setSourceModel(d->sortAndFormatProxy);

	auto layout = new QHBoxLayout(this);
	layout->setContentsMargins({});

	d->combo = new QComboBox(parent);
	layout->addWidget(d->combo);

	d->button = new QToolButton(parent);
	d->button->setIcon(QIcon::fromTheme(QStringLiteral("resource-group-new")));
	d->button->setToolTip(i18nc("@info:tooltip", "Show certificate list"));
	d->button->setAccessibleName(i18n("Show certificate list"));
	layout->addWidget(d->button);

	connect(d->button, &QToolButton::clicked, this, &UserIDSelectionCombo::certificateSelectionRequested);

	d->combo->setModel(d->proxyModel);
	connect(d->combo, &QComboBox::currentIndexChanged, this, [this](int row) {
	if (row >= 0 && row < d->proxyModel->rowCount()) {
	if (d->proxyModel->isCustomItem(row)) {
	Q_EMIT customItemSelected(d->combo->currentData(Qt::UserRole));
	} else {
	Q_EMIT currentKeyChanged(currentKey());
	}
	}
	});

	d->cache = Kleo::KeyCache::mutableInstance();

	connect(d->combo->model(), &QAbstractItemModel::rowsAboutToBeInserted, this, [this]() {
	d->storeCurrentSelectionBeforeModelChange();
	});
	connect(d->combo->model(), &QAbstractItemModel::rowsInserted, this, [this]() {
	d->restoreCurrentSelectionAfterModelChange();
	});
	connect(d->combo->model(), &QAbstractItemModel::rowsAboutToBeRemoved, this, [this]() {
	d->storeCurrentSelectionBeforeModelChange();
	});
	connect(d->combo->model(), &QAbstractItemModel::rowsRemoved, this, [this]() {
	d->restoreCurrentSelectionAfterModelChange();
	});
	connect(d->combo->model(), &QAbstractItemModel::modelAboutToBeReset, this, [this]() {
	d->storeCurrentSelectionBeforeModelChange();
	});
	connect(d->combo->model(), &QAbstractItemModel::modelReset, this, [this]() {
	d->restoreCurrentSelectionAfterModelChange();
	});

	QTimer::singleShot(0, this, &UserIDSelectionCombo::init);
	}

	UserIDSelectionCombo::~UserIDSelectionCombo() = default;

	void UserIDSelectionCombo::init()
	{
	connect(d->cache.get(), &Kleo::KeyCache::keyListingDone, this, [this]() {
	// Set useKeyCache ensures that the cache is populated
	// so this can be a blocking call if the cache is not initialized
	if (!d->initialKeyListingDone) {
	d->model->useKeyCache(true, d->secretOnly ? KeyList::SecretKeysOnly : KeyList::AllKeys);
	}
	d->proxyModel->removeCustomItem(QStringLiteral("-libkleo-loading-keys"));

	// We use the useWasEnabled state variable to decide if we should
	// change the enable / disable state based on the keylist done signal.
	// If we triggered the refresh useWasEnabled is true and we want to
	// enable / disable again after our refresh, as the refresh disabled it.
	//
	// But if a keyListingDone signal comes from just a generic refresh
	// triggered by someone else we don't want to change the enable / disable
	// state.
	if (d->useWasEnabled) {
	setEnabled(d->wasEnabled);
	d->useWasEnabled = false;
	}
	Q_EMIT keyListingFinished();
	});

	connect(this, &UserIDSelectionCombo::keyListingFinished, this, [this]() {
	if (!d->initialKeyListingDone) {
	d->updateWithDefaultKey();
	d->initialKeyListingDone = true;
	}
	});

	if (!d->cache->initialized()) {
	refreshKeys();
	} else {
	d->model->useKeyCache(true, d->secretOnly ? KeyList::SecretKeysOnly : KeyList::AllKeys);
	Q_EMIT keyListingFinished();
	}

	connect(d->combo, &QComboBox::currentIndexChanged, this, [this]() {
	setToolTip(d->combo->currentData(Qt::ToolTipRole).toString());
	});
	}

	void UserIDSelectionCombo::setKeyFilter(const std::shared_ptr<const KeyFilter> &kf)
	{
	d->sortFilterProxy->setKeyFilter(kf);
	d->updateWithDefaultKey();
	}

	std::shared_ptr<const KeyFilter> UserIDSelectionCombo::keyFilter() const
	{
	return d->sortFilterProxy->keyFilter();
	}

	void UserIDSelectionCombo::setIdFilter(const QString &id)
	{
	d->sortFilterProxy->setFilterRegularExpression(id);
	d->mPerfectMatchMbox = id;
	d->updateWithDefaultKey();
	}

	QString UserIDSelectionCombo::idFilter() const
	{
	return d->sortFilterProxy->filterRegularExpression().pattern();
	}

	GpgME::Key Kleo::UserIDSelectionCombo::currentKey() const
	{
	return d->combo->currentData(KeyList::KeyRole).value<GpgME::Key>();
	}

	void Kleo::UserIDSelectionCombo::setCurrentKey(const GpgME::Key &key)
	{
	const int idx = d->combo->findData(QString::fromLatin1(key.primaryFingerprint()), KeyList::FingerprintRole, Qt::MatchExactly);
	if (idx > -1) {
	d->combo->setCurrentIndex(idx);
	} else if (!d->selectPerfectIdMatch()) {
	d->updateWithDefaultKey();
	}
	setToolTip(d->combo->currentData(Qt::ToolTipRole).toString());
	}

	void Kleo::UserIDSelectionCombo::setCurrentKey(const QString &fingerprint)
	{
	const auto cur = currentKey();
	if (!cur.isNull() && !fingerprint.isEmpty() && fingerprint == QLatin1StringView(cur.primaryFingerprint())) {
	// already set; still emit a changed signal because the current key may
	// have become the item at the current index by changes in the underlying model
	Q_EMIT currentKeyChanged(cur);
	return;
	}
	const int idx = d->combo->findData(fingerprint, KeyList::FingerprintRole, Qt::MatchExactly);
	if (idx > -1) {
	d->combo->setCurrentIndex(idx);
	} else if (!d->selectPerfectIdMatch()) {
	d->combo->setCurrentIndex(0);
	}
	setToolTip(d->combo->currentData(Qt::ToolTipRole).toString());
	}

	GpgME::UserID Kleo::UserIDSelectionCombo::currentUserID() const
	{
	return d->combo->currentData(KeyList::UserIDRole).value<GpgME::UserID>();
	}

	void Kleo::UserIDSelectionCombo::setCurrentUserID(const GpgME::UserID &userID)
	{
	for (auto i = 0; i < d->combo->count(); i++) {
	const auto &other = d->combo->itemData(i, KeyList::UserIDRole).value<GpgME::UserID>();
	if (!qstrcmp(userID.id(), other.id()) && !qstrcmp(userID.parent().primaryFingerprint(), other.parent().primaryFingerprint())) {
	d->combo->setCurrentIndex(i);
	setToolTip(d->combo->currentData(Qt::ToolTipRole).toString());
	return;
	}
	}
	if (!d->selectPerfectIdMatch()) {
	d->updateWithDefaultKey();
	setToolTip(d->combo->currentData(Qt::ToolTipRole).toString());
	}
	}

	void UserIDSelectionCombo::refreshKeys()
	{
	d->wasEnabled = isEnabled();
	d->useWasEnabled = true;
	setEnabled(false);
	const bool wasBlocked = blockSignals(true);
	prependCustomItem(QIcon(), i18n("Loading keys ..."), QStringLiteral("-libkleo-loading-keys"));
	d->combo->setCurrentIndex(0);
	blockSignals(wasBlocked);
	d->cache->startKeyListing();
	}

	void UserIDSelectionCombo::appendCustomItem(const QIcon &icon, const QString &text, const QVariant &data, const QString &toolTip)
	{
	d->proxyModel->appendItem(icon, text, data, toolTip);
	}

	void UserIDSelectionCombo::appendCustomItem(const QIcon &icon, const QString &text, const QVariant &data)
	{
	appendCustomItem(icon, text, data, QString());
	}

	void UserIDSelectionCombo::prependCustomItem(const QIcon &icon, const QString &text, const QVariant &data, const QString &toolTip)
	{
	d->proxyModel->prependItem(icon, text, data, toolTip);
	}

	void UserIDSelectionCombo::prependCustomItem(const QIcon &icon, const QString &text, const QVariant &data)
	{
	prependCustomItem(icon, text, data, QString());
	}

	void UserIDSelectionCombo::removeCustomItem(const QVariant &data)
	{
	d->proxyModel->removeCustomItem(data);
	}

	void Kleo::UserIDSelectionCombo::setDefaultKey(const QString &fingerprint, GpgME::Protocol proto)
	{
	d->defaultKeys.insert(proto, fingerprint);
	d->updateWithDefaultKey();
	}

	void Kleo::UserIDSelectionCombo::setDefaultKey(const QString &fingerprint)
	{
	setDefaultKey(fingerprint, GpgME::UnknownProtocol);
	}

	QString Kleo::UserIDSelectionCombo::defaultKey(GpgME::Protocol proto) const
	{
	return d->defaultKeys.value(proto);
	}

	QString Kleo::UserIDSelectionCombo::defaultKey() const
	{
	return defaultKey(GpgME::UnknownProtocol);
	}

	QComboBox *Kleo::UserIDSelectionCombo::combo() const
	{
	return d->combo;
	}

	int Kleo::UserIDSelectionCombo::findUserId(const GpgME::UserID &userId) const
	{
	for (int i = 0; i < combo()->model()->rowCount(); i++) {
	if (Kleo::userIDsAreEqual(userId, combo()->model()->index(i, 0).data(KeyList::UserIDRole).value<GpgME::UserID>())) {
	return i;
	}
	}
	return -1;
	}

	#include "useridselectioncombo.moc"

	#include "moc_useridselectioncombo.cpp"

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