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PDF4QT/Pdf4QtViewer/pdfsidebarwidget.cpp

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// Copyright (C) 2019-2022 Jakub Melka
//
// This file is part of PDF4QT.
//
// PDF4QT is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// with the written consent of the copyright owner, any later version.
//
// PDF4QT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#include "pdfsidebarwidget.h"
#include "ui_pdfsidebarwidget.h"
#include "pdfviewersettings.h"
#include "pdfwidgetutils.h"
#include "pdftexttospeech.h"
#include "pdfdbgheap.h"
#include "pdfdocument.h"
#include "pdfitemmodels.h"
#include "pdfexception.h"
#include "pdfsignaturehandler.h"
#include "pdfdrawspacecontroller.h"
#include <QMenu>
#include <QAction>
#include <QFileDialog>
#include <QStandardPaths>
#include <QMessageBox>
#include <QPainter>
namespace pdfviewer
{
constexpr const char* STYLESHEET =
"QPushButton { background-color: #404040; color: #FFFFFF; }"
"QPushButton:disabled { background-color: #404040; color: #000000; }"
"QPushButton:checked { background-color: #808080; color: #FFFFFF; }"
"QWidget#thumbnailsToolbarWidget { background-color: #F0F0F0 }"
"QWidget#speechPage { background-color: #F0F0F0 }"
"QWidget#PDFSidebarWidget { background-color: #404040; background: green;}";
PDFSidebarWidget::PDFSidebarWidget(pdf::PDFDrawWidgetProxy* proxy,
PDFTextToSpeech* textToSpeech,
pdf::PDFCertificateStore* certificateStore,
PDFViewerSettings* settings,
QWidget* parent) :
QWidget(parent),
ui(new Ui::PDFSidebarWidget),
m_proxy(proxy),
m_textToSpeech(textToSpeech),
m_certificateStore(certificateStore),
m_settings(settings),
m_outlineTreeModel(nullptr),
m_thumbnailsModel(nullptr),
m_optionalContentTreeModel(nullptr),
m_document(nullptr),
m_optionalContentActivity(nullptr),
m_attachmentsTreeModel(nullptr)
{
ui->setupUi(this);
setStyleSheet(STYLESHEET);
// Outline
QIcon bookmarkIcon(":/resources/bookmark.svg");
m_outlineTreeModel = new pdf::PDFOutlineTreeItemModel(qMove(bookmarkIcon), this);
ui->bookmarksTreeView->setModel(m_outlineTreeModel);
ui->bookmarksTreeView->header()->hide();
connect(ui->bookmarksTreeView, &QTreeView::clicked, this, &PDFSidebarWidget::onOutlineItemClicked);
// Thumbnails
m_thumbnailsModel = new pdf::PDFThumbnailsItemModel(proxy, this);
int thumbnailsMargin = ui->thumbnailsListView->style()->pixelMetric(QStyle::PM_FocusFrameHMargin, nullptr, ui->thumbnailsListView) + 1;
int thumbnailsFontSize = QFontMetrics(ui->thumbnailsListView->font()).lineSpacing();
m_thumbnailsModel->setExtraItemSizeHint(2 * thumbnailsMargin, thumbnailsMargin + thumbnailsFontSize);
ui->thumbnailsListView->setModel(m_thumbnailsModel);
connect(ui->thumbnailsSizeSlider, &QSlider::valueChanged, this, &PDFSidebarWidget::onThumbnailsSizeChanged);
connect(ui->thumbnailsListView, &QListView::clicked, this, &PDFSidebarWidget::onThumbnailClicked);
onThumbnailsSizeChanged(ui->thumbnailsSizeSlider->value());
// Optional content
ui->optionalContentTreeView->header()->hide();
m_optionalContentTreeModel = new pdf::PDFOptionalContentTreeItemModel(this);
ui->optionalContentTreeView->setModel(m_optionalContentTreeModel);
// Attachments
ui->attachmentsTreeView->header()->hide();
m_attachmentsTreeModel = new pdf::PDFAttachmentsTreeItemModel(this);
ui->attachmentsTreeView->setModel(m_attachmentsTreeModel);
ui->attachmentsTreeView->setSelectionMode(QAbstractItemView::SingleSelection);
ui->attachmentsTreeView->setSelectionBehavior(QAbstractItemView::SelectItems);
ui->attachmentsTreeView->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->attachmentsTreeView, &QTreeView::customContextMenuRequested, this, &PDFSidebarWidget::onAttachmentCustomContextMenuRequested);
m_pageInfo[Invalid] = { nullptr, ui->emptyPage };
m_pageInfo[OptionalContent] = { ui->optionalContentButton, ui->optionalContentPage };
m_pageInfo[Bookmarks] = { ui->bookmarksButton, ui->bookmarksPage };
m_pageInfo[Thumbnails] = { ui->thumbnailsButton, ui->thumbnailsPage };
m_pageInfo[Attachments] = { ui->attachmentsButton, ui->attachmentsPage };
m_pageInfo[Speech] = { ui->speechButton, ui->speechPage };
m_pageInfo[Signatures] = { ui->signaturesButton, ui->signaturesPage };
for (const auto& pageInfo : m_pageInfo)
{
if (pageInfo.second.button)
{
connect(pageInfo.second.button, &QPushButton::clicked, this, &PDFSidebarWidget::onPageButtonClicked);
}
}
m_textToSpeech->initializeUI(ui->speechLocaleComboBox, ui->speechVoiceComboBox,
ui->speechRateEdit, ui->speechPitchEdit, ui->speechVolumeEdit,
ui->speechPlayButton, ui->speechPauseButton, ui->speechStopButton, ui->speechSynchronizeButton,
ui->speechRateValueLabel, ui->speechPitchValueLabel, ui->speechVolumeValueLabel,
ui->speechActualTextEdit);
ui->signatureTreeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->signatureTreeWidget, &QTreeWidget::customContextMenuRequested, this, &PDFSidebarWidget::onSignatureCustomContextMenuRequested);
selectPage(Invalid);
updateButtons();
}
PDFSidebarWidget::~PDFSidebarWidget()
{
delete ui;
}
void PDFSidebarWidget::setDocument(const pdf::PDFModifiedDocument& document, const std::vector<pdf::PDFSignatureVerificationResult>& signatures)
{
m_document = document;
m_optionalContentActivity = document.getOptionalContentActivity();
m_signatures = signatures;
// Update outline
m_outlineTreeModel->setDocument(document);
// Thumbnails
m_thumbnailsModel->setDocument(document);
// Update optional content
m_optionalContentTreeModel->setDocument(document);
m_optionalContentTreeModel->setActivity(m_optionalContentActivity);
ui->optionalContentTreeView->expandAll();
// Update attachments
m_attachmentsTreeModel->setDocument(document);
ui->attachmentsTreeView->expandAll();
ui->attachmentsTreeView->resizeColumnToContents(0);
Page preferred = Invalid;
if (m_document)
{
const pdf::PageMode pageMode = m_document->getCatalog()->getPageMode();
switch (pageMode)
{
case pdf::PageMode::UseOutlines:
preferred = Bookmarks;
break;
case pdf::PageMode::UseThumbnails:
preferred = Thumbnails;
break;
case pdf::PageMode::UseOptionalContent:
preferred = OptionalContent;
break;
case pdf::PageMode::UseAttachments:
preferred = Attachments;
break;
case pdf::PageMode::Fullscreen:
{
pdf::PDFViewerPreferences::NonFullScreenPageMode nonFullscreenPageMode = m_document->getCatalog()->getViewerPreferences()->getNonFullScreenPageMode();
switch (nonFullscreenPageMode)
{
case pdf::PDFViewerPreferences::NonFullScreenPageMode::UseOutline:
preferred = Bookmarks;
break;
case pdf::PDFViewerPreferences::NonFullScreenPageMode::UseThumbnails:
preferred = Thumbnails;
break;
case pdf::PDFViewerPreferences::NonFullScreenPageMode::UseOptionalContent:
preferred = OptionalContent;
break;
default:
break;
}
break;
}
default:
break;
}
}
// Update GUI
updateGUI(preferred);
updateButtons();
updateSignatures(signatures);
}
bool PDFSidebarWidget::isEmpty() const
{
for (int i = _BEGIN; i < _END; ++i)
{
if (!isEmpty(static_cast<Page>(i)))
{
return false;
}
}
return true;
}
bool PDFSidebarWidget::isEmpty(Page page) const
{
switch (page)
{
case Invalid:
return true;
case Bookmarks:
return m_outlineTreeModel->isEmpty();
case Thumbnails:
return m_thumbnailsModel->isEmpty();
case OptionalContent:
return m_optionalContentTreeModel->isEmpty();
case Attachments:
return m_attachmentsTreeModel->isEmpty();
case Speech:
return !m_textToSpeech->isValid();
case Signatures:
return m_signatures.empty();
default:
Q_ASSERT(false);
break;
}
return true;
}
void PDFSidebarWidget::selectPage(Page page)
{
// Switch state of the buttons and select the page
for (const auto& pageInfo : m_pageInfo)
{
if (pageInfo.second.button)
{
pageInfo.second.button->setChecked(pageInfo.first == page);
}
if (pageInfo.first == page)
{
ui->stackedWidget->setCurrentWidget(pageInfo.second.page);
}
}
}
std::vector<PDFSidebarWidget::Page> PDFSidebarWidget::getValidPages() const
{
std::vector<PDFSidebarWidget::Page> result;
result.reserve(_END - _BEGIN + 1);
for (int i = _BEGIN; i < _END; ++i)
{
if (!isEmpty(static_cast<Page>(i)))
{
result.push_back(static_cast<Page>(i));
}
}
return result;
}
void PDFSidebarWidget::setCurrentPages(const std::vector<pdf::PDFInteger>& currentPages)
{
if (!currentPages.empty() && ui->synchronizeThumbnailsButton->isChecked())
{
QModelIndex index = m_thumbnailsModel->index(currentPages.front(), 0, QModelIndex());
if (index.isValid())
{
ui->thumbnailsListView->scrollTo(index, QListView::EnsureVisible);
// Try to examine, if we have to switch the current index
QModelIndex currentIndex = ui->thumbnailsListView->currentIndex();
if (currentIndex.isValid())
{
const pdf::PDFInteger currentPageIndex = m_thumbnailsModel->getPageIndex(currentIndex);
Q_ASSERT(std::is_sorted(currentPages.cbegin(), currentPages.cend()));
if (std::binary_search(currentPages.cbegin(), currentPages.cend(), currentPageIndex))
{
return;
}
}
ui->thumbnailsListView->setCurrentIndex(index);
}
}
}
void PDFSidebarWidget::updateGUI(Page preferredPage)
{
if (preferredPage != Invalid && !isEmpty(preferredPage))
{
selectPage(preferredPage);
}
else
{
// Select first nonempty page
std::vector<Page> validPages = getValidPages();
if (!validPages.empty())
{
selectPage(validPages.front());
}
else
{
selectPage(Invalid);
}
}
}
void PDFSidebarWidget::updateButtons()
{
for (const auto& pageInfo : m_pageInfo)
{
if (pageInfo.second.button)
{
pageInfo.second.button->setEnabled(!isEmpty(pageInfo.first));
}
}
}
void PDFSidebarWidget::updateSignatures(const std::vector<pdf::PDFSignatureVerificationResult>& signatures)
{
ui->signatureTreeWidget->setUpdatesEnabled(false);
ui->signatureTreeWidget->clear();
m_certificateInfos.clear();
QIcon okIcon(":/resources/result-ok.svg");
QIcon errorIcon(":/resources/result-error.svg");
QIcon warningIcon(":/resources/result-warning.svg");
QIcon infoIcon(":/resources/result-information.svg");
if (m_settings->getSettings().m_signatureTreatWarningsAsErrors)
{
warningIcon = errorIcon;
}
for (const pdf::PDFSignatureVerificationResult& signature : signatures)
{
const pdf::PDFCertificateInfos& certificateInfos = signature.getCertificateInfos();
const pdf::PDFCertificateInfo* certificateInfo = !certificateInfos.empty() ? &certificateInfos.front() : nullptr;
QString templateString;
switch (signature.getType())
{
case pdf::PDFSignature::Type::Sig:
templateString = tr("Signature - %1");
break;
case pdf::PDFSignature::Type::DocTimeStamp:
templateString = tr("Timestamp - %1");
break;
case pdf::PDFSignature::Type::Invalid:
continue;
default:
Q_ASSERT(false);
break;
}
QString text = templateString.arg(certificateInfo ? certificateInfo->getName(pdf::PDFCertificateInfo::CommonName) : tr("Unknown"));
QTreeWidgetItem* rootItem = new QTreeWidgetItem(QStringList(text));
if (signature.hasError())
{
rootItem->setIcon(0, errorIcon);
}
else if (signature.hasWarning())
{
rootItem->setIcon(0, warningIcon);
}
else
{
rootItem->setIcon(0, okIcon);
}
if (signature.isCertificateValid())
{
QTreeWidgetItem* certificateItem = new QTreeWidgetItem(rootItem, QStringList(tr("Certificate is valid.")));
certificateItem->setIcon(0, okIcon);
}
if (signature.isSignatureValid())
{
QTreeWidgetItem* signatureItem = new QTreeWidgetItem(rootItem, QStringList(tr("Signature is valid.")));
signatureItem->setIcon(0, okIcon);
}
for (const QString& error : signature.getErrors())
{
QTreeWidgetItem* item = new QTreeWidgetItem(rootItem, QStringList(error));
item->setIcon(0, errorIcon);
}
for (const QString& error : signature.getWarnings())
{
QTreeWidgetItem* item = new QTreeWidgetItem(rootItem, QStringList(error));
item->setIcon(0, warningIcon);
}
QString hashAlgorithms = signature.getHashAlgorithms().join(", ");
if (!hashAlgorithms.isEmpty())
{
QTreeWidgetItem* item = new QTreeWidgetItem(rootItem, QStringList(tr("Hash algorithm: %1").arg(hashAlgorithms.toUpper())));
item->setIcon(0, infoIcon);
}
QDateTime signingDate = signature.getSignatureDate();
if (signingDate.isValid())
{
QTreeWidgetItem* item = new QTreeWidgetItem(rootItem, QStringList(QString("Signing date/time: %2").arg(QLocale::system().toString(signingDate, QLocale::ShortFormat))));
item->setIcon(0, infoIcon);
}
QDateTime timestampDate = signature.getTimestampDate();
if (timestampDate.isValid())
{
QTreeWidgetItem* item = new QTreeWidgetItem(rootItem, QStringList(QString("Timestamp: %2").arg(QLocale::system().toString(timestampDate, QLocale::ShortFormat))));
item->setIcon(0, infoIcon);
}
if (certificateInfo)
{
QTreeWidgetItem* certChainRoot = new QTreeWidgetItem(rootItem, QStringList(tr("Certificate validation chain")));
certChainRoot->setIcon(0, infoIcon);
for (const pdf::PDFCertificateInfo& currentCertificateInfo : certificateInfos)
{
QTreeWidgetItem* certRoot = new QTreeWidgetItem(certChainRoot, QStringList(currentCertificateInfo.getName(pdf::PDFCertificateInfo::CommonName)));
certRoot->setIcon(0, infoIcon);
pdf::PDFCertificateInfo::KeyUsageFlags keyUsageFlags = currentCertificateInfo.getKeyUsage();
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageCertSign))
{
m_certificateInfos.push_back(currentCertificateInfo);
certRoot->setData(0, Qt::UserRole, QVariant(static_cast<qint64>(m_certificateInfos.size() - 1)));
}
auto addName = [certRoot, &currentCertificateInfo, &infoIcon](pdf::PDFCertificateInfo::NameEntry nameEntry, QString caption)
{
QString text = currentCertificateInfo.getName(nameEntry);
if (!text.isEmpty())
{
QTreeWidgetItem* item = new QTreeWidgetItem(certRoot, QStringList(QString("%1: %2").arg(caption, text)));
item->setIcon(0, infoIcon);
}
};
QString publicKeyMethod;
switch (currentCertificateInfo.getPublicKey())
{
case pdf::PDFCertificateInfo::KeyRSA:
publicKeyMethod = tr("Protected by RSA method, %1-bit key").arg(currentCertificateInfo.getKeySize());
break;
case pdf::PDFCertificateInfo::KeyDSA:
publicKeyMethod = tr("Protected by DSA method, %1-bit key").arg(currentCertificateInfo.getKeySize());
break;
case pdf::PDFCertificateInfo::KeyEC:
publicKeyMethod = tr("Protected by EC method, %1-bit key").arg(currentCertificateInfo.getKeySize());
break;
case pdf::PDFCertificateInfo::KeyDH:
publicKeyMethod = tr("Protected by DH method, %1-bit key").arg(currentCertificateInfo.getKeySize());
break;
case pdf::PDFCertificateInfo::KeyUnknown:
publicKeyMethod = tr("Unknown protection method, %1-bit key").arg(currentCertificateInfo.getKeySize());
break;
default:
Q_ASSERT(false);
break;
}
addName(pdf::PDFCertificateInfo::CountryName, tr("Country"));
addName(pdf::PDFCertificateInfo::OrganizationName, tr("Organization"));
addName(pdf::PDFCertificateInfo::OrganizationalUnitName, tr("Org. unit"));
addName(pdf::PDFCertificateInfo::DistinguishedName, tr("Name"));
addName(pdf::PDFCertificateInfo::StateOrProvinceName, tr("State"));
addName(pdf::PDFCertificateInfo::SerialNumber, tr("Serial number"));
addName(pdf::PDFCertificateInfo::LocalityName, tr("Locality"));
addName(pdf::PDFCertificateInfo::Title, tr("Title"));
addName(pdf::PDFCertificateInfo::Surname, tr("Surname"));
addName(pdf::PDFCertificateInfo::GivenName, tr("Forename"));
addName(pdf::PDFCertificateInfo::Initials, tr("Initials"));
addName(pdf::PDFCertificateInfo::Pseudonym, tr("Pseudonym"));
addName(pdf::PDFCertificateInfo::GenerationalQualifier, tr("Qualifier"));
addName(pdf::PDFCertificateInfo::Email, tr("Email"));
QTreeWidgetItem* publicKeyItem = new QTreeWidgetItem(certRoot, QStringList(publicKeyMethod));
publicKeyItem->setIcon(0, infoIcon);
QDateTime notValidBefore = currentCertificateInfo.getNotValidBefore().toLocalTime();
QDateTime notValidAfter = currentCertificateInfo.getNotValidAfter().toLocalTime();
if (notValidBefore.isValid())
{
QTreeWidgetItem* item = new QTreeWidgetItem(certRoot, QStringList(QString("Valid from: %2").arg(QLocale::system().toString(notValidBefore, QLocale::ShortFormat))));
item->setIcon(0, infoIcon);
}
if (notValidAfter.isValid())
{
QTreeWidgetItem* item = new QTreeWidgetItem(certRoot, QStringList(QString("Valid to: %2").arg(QLocale::system().toString(notValidAfter, QLocale::ShortFormat))));
item->setIcon(0, infoIcon);
}
QStringList keyUsages;
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageDigitalSignature))
{
keyUsages << tr("Digital signatures");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageNonRepudiation))
{
keyUsages << tr("Non-repudiation");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageKeyEncipherment))
{
keyUsages << tr("Key encipherement");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageDataEncipherment))
{
keyUsages << tr("Application data encipherement");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageAgreement))
{
keyUsages << tr("Key agreement");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageCertSign))
{
keyUsages << tr("Verify signatures on certificates");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageCrlSign))
{
keyUsages << tr("Verify signatures on revocation information");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageEncipherOnly))
{
keyUsages << tr("Encipher data during key agreement");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageDecipherOnly))
{
keyUsages << tr("Decipher data during key agreement");
}
if (keyUsageFlags.testFlag(pdf::PDFCertificateInfo::KeyUsageExtended_TIMESTAMP))
{
keyUsages << tr("Trusted timestamping");
}
if (!keyUsages.isEmpty())
{
QTreeWidgetItem* keyUsageRoot = new QTreeWidgetItem(certRoot, QStringList(tr("Key usages")));
keyUsageRoot->setIcon(0, infoIcon);
for (const QString& keyUsage : keyUsages)
{
QTreeWidgetItem* keyUsageItem = new QTreeWidgetItem(keyUsageRoot, QStringList(keyUsage));
keyUsageItem->setIcon(0, infoIcon);
}
}
}
}
ui->signatureTreeWidget->addTopLevelItem(rootItem);
}
ui->signatureTreeWidget->expandToDepth(1);
ui->signatureTreeWidget->setUpdatesEnabled(true);
}
void PDFSidebarWidget::onPageButtonClicked()
{
QObject* pushButton = sender();
for (const auto& pageInfo : m_pageInfo)
{
if (pageInfo.second.button == pushButton)
{
Q_ASSERT(!isEmpty(pageInfo.first));
selectPage(pageInfo.first);
break;
}
}
}
void PDFSidebarWidget::onOutlineItemClicked(const QModelIndex& index)
{
if (const pdf::PDFAction* action = m_outlineTreeModel->getAction(index))
{
emit actionTriggered(action);
}
}
void PDFSidebarWidget::onThumbnailsSizeChanged(int size)
{
const int thumbnailsSize = pdf::PDFWidgetUtils::getPixelSize(this, size * 10.0);
Q_ASSERT(thumbnailsSize > 0);
m_thumbnailsModel->setThumbnailsSize(thumbnailsSize);
}
void PDFSidebarWidget::onAttachmentCustomContextMenuRequested(const QPoint& pos)
{
if (const pdf::PDFFileSpecification* fileSpecification = m_attachmentsTreeModel->getFileSpecification(ui->attachmentsTreeView->indexAt(pos)))
{
QMenu menu(this);
QAction* action = new QAction(QApplication::style()->standardIcon(QStyle::SP_DialogSaveButton, nullptr, ui->attachmentsTreeView), tr("Save to File..."), &menu);
auto onSaveTriggered = [this, fileSpecification]()
{
const pdf::PDFEmbeddedFile* platformFile = fileSpecification->getPlatformFile();
if (platformFile && platformFile->isValid())
{
QString defaultFileName = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation) + QDir::separator() + fileSpecification->getPlatformFileName();
QString saveFileName = QFileDialog::getSaveFileName(this, tr("Save attachment"), defaultFileName);
if (!saveFileName.isEmpty())
{
try
{
QByteArray data = m_document->getDecodedStream(platformFile->getStream());
QFile file(saveFileName);
if (file.open(QFile::WriteOnly | QFile::Truncate))
{
file.write(data);
file.close();
}
else
{
QMessageBox::critical(this, tr("Error"), tr("Failed to save attachment to file. %1").arg(file.errorString()));
}
}
catch (const pdf::PDFException &e)
{
QMessageBox::critical(this, tr("Error"), tr("Failed to save attachment to file. %1").arg(e.getMessage()));
}
}
}
else
{
QMessageBox::critical(this, tr("Error"), tr("Failed to save attachment to file. Attachment is corrupted."));
}
};
connect(action, &QAction::triggered, this, onSaveTriggered);
menu.addAction(action);
menu.exec(ui->attachmentsTreeView->viewport()->mapToGlobal(pos));
}
}
void PDFSidebarWidget::onThumbnailClicked(const QModelIndex& index)
{
if (index.isValid())
{
m_proxy->goToPage(m_thumbnailsModel->getPageIndex(index));
}
}
void PDFSidebarWidget::onSignatureCustomContextMenuRequested(const QPoint& pos)
{
if (QTreeWidgetItem* item = ui->signatureTreeWidget->itemAt(pos))
{
QVariant itemData = item->data(0, Qt::UserRole);
if (itemData.isValid())
{
const pdf::PDFCertificateInfo& info = m_certificateInfos.at(itemData.toInt());
if (!m_certificateStore->contains(info))
{
QMenu menu;
QAction* action = menu.addAction(tr("Add to trusted certificates"));
auto addCertificate = [this, info]()
{
if (QMessageBox::question(this, tr("Add to Trusted Certificate Store"), tr("Are you sure want to add '%1' to the trusted certificate store?").arg(info.getName(pdf::PDFCertificateInfo::CommonName))) == QMessageBox::Yes)
{
if (!m_certificateStore->add(pdf::PDFCertificateStore::EntryType::User, info))
{
QMessageBox::critical(this, tr("Trusted Certificate Store Error"), tr("Failed to add certificate to the trusted certificate store."));
}
}
};
connect(action, &QAction::triggered, this, addCertificate);
menu.exec(ui->signatureTreeWidget->viewport()->mapToGlobal(pos));
}
}
}
}
void PDFSidebarWidget::paintEvent(QPaintEvent* event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.fillRect(rect(), QColor(64, 64, 64));
}
} // namespace pdfviewer
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