File indexing completed on 2024-06-16 04:56:17

 /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; -*-
     view/searchbar.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2007 Klarälvdalens Datakonsult AB
     SPDX-FileCopyrightText: 2022 g10 Code GmbH
     SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include <config-kleopatra.h>
 
 #include "searchbar.h"
 
 #include <Libkleo/Algorithm>
 #include <Libkleo/KeyCache>
 #include <Libkleo/KeyFilter>
 #include <Libkleo/KeyFilterManager>
 
 #include <KLocalizedString>
 
 #include <QComboBox>
 #include <QHBoxLayout>
 #include <QLineEdit>
 #include <QPushButton>
 #include <QSortFilterProxyModel>
 
 #include <gpgme++/key.h>
 
 #include "kleopatra_debug.h"
 
 using namespace Kleo;
 
 namespace
 {
 
 class ProxyModel : public QSortFilterProxyModel
 {
     Q_OBJECT
 
 public:
     using QSortFilterProxyModel::QSortFilterProxyModel;
 
 protected:
     bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override
     {
         const QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
         const auto matchContexts = qvariant_cast<KeyFilter::MatchContexts>(sourceModel()->data(index, KeyFilterManager::FilterMatchContextsRole));
         return matchContexts & KeyFilter::Filtering;
     }
 };
 
 }
 
 class SearchBar::Private
 {
     friend class ::Kleo::SearchBar;
     SearchBar *const q;
 
 public:
     explicit Private(SearchBar *qq);
     ~Private();
 
 private:
     void slotKeyFilterChanged(int idx)
     {
         Q_EMIT q->keyFilterChanged(keyFilter(idx));
     }
 
     std::shared_ptr<KeyFilter> keyFilter(int idx) const
     {
         const QModelIndex mi = proxyModel->mapToSource(proxyModel->index(idx, 0));
         return KeyFilterManager::instance()->fromModelIndex(mi);
     }
 
     std::shared_ptr<KeyFilter> currentKeyFilter() const
     {
         return keyFilter(combo->currentIndex());
     }
 
     QString currentKeyFilterID() const
     {
         if (const std::shared_ptr<KeyFilter> f = currentKeyFilter()) {
             return f->id();
         } else {
             return QString();
         }
     }
 
     static auto notCertifiedKeysFilterId()
     {
         static const QString filterId = QStringLiteral("not-certified-certificates");
         return filterId;
     }
 
     void listNotCertifiedKeys() const
     {
         lineEdit->clear();
         combo->setCurrentIndex(combo->findData(notCertifiedKeysFilterId()));
         Q_EMIT q->keyFilterChanged(keyFilter(combo->currentIndex()));
     }
 
     void showOrHideCertifyButton() const
     {
         if (!KeyCache::instance()->initialized()) {
             return;
         }
         const auto filter = KeyFilterManager::instance()->keyFilterByID(notCertifiedKeysFilterId());
         if (filter) {
             if (Kleo::any_of(KeyCache::instance()->keys(), [filter](const auto &key) {
                     return filter->matches(key, KeyFilter::Filtering);
                 })) {
                 certifyButton->show();
                 return;
             }
         } else {
             qCDebug(KLEOPATRA_LOG) << __func__ << "Key filter with id" << notCertifiedKeysFilterId() << "not found";
         }
         certifyButton->hide();
     }
 
 private:
     ProxyModel *proxyModel;
     QLineEdit *lineEdit;
     QComboBox *combo;
     QPushButton *certifyButton;
 };
 
 SearchBar::Private::Private(SearchBar *qq)
     : q(qq)
 {
     auto layout = new QHBoxLayout(q);
     layout->setContentsMargins(0, 0, 0, 0);
     lineEdit = new QLineEdit(q);
     lineEdit->setClearButtonEnabled(true);
     lineEdit->setPlaceholderText(i18n("Search..."));
     lineEdit->setAccessibleName(i18n("Filter certificates by text"));
     lineEdit->setToolTip(i18n("Show only certificates that match the entered search term."));
     layout->addWidget(lineEdit, /*stretch=*/1);
     combo = new QComboBox(q);
     combo->setAccessibleName(i18n("Filter certificates by category"));
     combo->setToolTip(i18n("Show only certificates that belong to the selected category."));
     layout->addWidget(combo);
     certifyButton = new QPushButton(q);
     certifyButton->setIcon(QIcon::fromTheme(QStringLiteral("security-medium")));
     certifyButton->setAccessibleName(i18n("Show not certified certificates"));
     certifyButton->setToolTip(
         i18n("Some certificates are not yet certified. "
              "Click here to see a list of these certificates."
              "<br/><br/>"
              "Certification is required to make sure that the certificates "
              "actually belong to the identity they claim to belong to."));
     certifyButton->hide();
     layout->addWidget(certifyButton);
 
     proxyModel = new ProxyModel{q};
     proxyModel->setSourceModel(KeyFilterManager::instance()->model());
     proxyModel->sort(0, Qt::AscendingOrder);
     combo->setModel(proxyModel);
 
     KDAB_SET_OBJECT_NAME(layout);
     KDAB_SET_OBJECT_NAME(lineEdit);
     KDAB_SET_OBJECT_NAME(combo);
     KDAB_SET_OBJECT_NAME(certifyButton);
 
     connect(lineEdit, &QLineEdit::textChanged, q, &SearchBar::stringFilterChanged);
     connect(combo, &QComboBox::currentIndexChanged, q, [this](int index) {
         slotKeyFilterChanged(index);
     });
     connect(certifyButton, &QPushButton::clicked, q, [this]() {
         listNotCertifiedKeys();
     });
 
     connect(KeyCache::instance().get(), &KeyCache::keyListingDone, q, [this]() {
         showOrHideCertifyButton();
     });
     showOrHideCertifyButton();
 }
 
 SearchBar::Private::~Private()
 {
 }
 
 SearchBar::SearchBar(QWidget *parent, Qt::WindowFlags f)
     : QWidget(parent, f)
     , d(new Private(this))
 {
 }
 
 SearchBar::~SearchBar()
 {
 }
 
 void SearchBar::updateClickMessage(const QString &shortcutStr)
 {
     d->lineEdit->setPlaceholderText(i18n("Search...<%1>", shortcutStr));
 }
 
 // slot
 void SearchBar::setStringFilter(const QString &filter)
 {
     d->lineEdit->setText(filter);
 }
 
 // slot
 void SearchBar::setKeyFilter(const std::shared_ptr<KeyFilter> &kf)
 {
     const QModelIndex sourceIndex = KeyFilterManager::instance()->toModelIndex(kf);
     const QModelIndex proxyIndex = d->proxyModel->mapFromSource(sourceIndex);
     if (proxyIndex.isValid()) {
         d->combo->setCurrentIndex(proxyIndex.row());
     } else {
         d->combo->setCurrentIndex(0);
     }
 }
 
 // slot
 void SearchBar::setChangeStringFilterEnabled(bool on)
 {
     d->lineEdit->setEnabled(on);
 }
 
 // slot
 void SearchBar::setChangeKeyFilterEnabled(bool on)
 {
     d->combo->setEnabled(on);
 }
 
 QLineEdit *SearchBar::lineEdit() const
 {
     return d->lineEdit;
 }
 
 #include "moc_searchbar.cpp"
 #include "searchbar.moc"