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diff --git a/src/widgets/messageviewerdialog.cpp b/src/widgets/messageviewerdialog.cpp
index 12825cc..0aa1035 100644
--- a/src/widgets/messageviewerdialog.cpp
+++ b/src/widgets/messageviewerdialog.cpp
@@ -1,260 +1,259 @@
// SPDX-FileCopyrightText: 2023 g10 Code GmbH
// SPDX-FileContributor: Carl Schwan <carl.schwan@gnupg.com>
// SPDX-License-Identifier: GPL-2.0-or-later
#include "messageviewerdialog.h"
#include "messageviewer.h"
#include "mimetreeparser_widgets_debug.h"
#include <MimeTreeParserCore/CryptoHelper>
#include <MimeTreeParserCore/FileOpener>
#include <KLocalizedString>
#include <KMessageBox>
#include <KMessageWidget>
#include <KMime/Message>
#include <QDialogButtonBox>
#include <QFileDialog>
#include <QMenuBar>
#include <QPainter>
#include <QPrintDialog>
#include <QPrintPreviewDialog>
#include <QPrinter>
#include <QPushButton>
#include <QSaveFile>
#include <QStandardPaths>
#include <QStyle>
#include <QToolBar>
#include <QVBoxLayout>
#include <memory>
using namespace MimeTreeParser::Widgets;
class MessageViewerDialog::Private
{
public:
int currentIndex = 0;
QVector<KMime::Message::Ptr> messages;
MimeTreeParser::Widgets::MessageViewer *messageViewer = nullptr;
QAction *nextAction = nullptr;
QAction *previousAction = nullptr;
void setCurrentIndex(int currentIndex);
QMenuBar *createMenuBar(QWidget *parent);
private:
void save(QWidget *parent);
void saveDecrypted(QWidget *parent);
void print(QWidget *parent);
void printPreview(QWidget *parent);
void printInternal(QPrinter *printer);
};
void MessageViewerDialog::Private::setCurrentIndex(int index)
{
Q_ASSERT(index >= 0);
Q_ASSERT(index < messages.count());
currentIndex = index;
messageViewer->setMessage(messages[currentIndex]);
previousAction->setEnabled(currentIndex != 0);
nextAction->setEnabled(currentIndex != messages.count() - 1);
}
QMenuBar *MessageViewerDialog::Private::createMenuBar(QWidget *parent)
{
const auto menuBar = new QMenuBar(parent);
// File menu
const auto fileMenu = menuBar->addMenu(i18nc("@action:inmenu", "&File"));
const auto saveAction = new QAction(QIcon::fromTheme(QStringLiteral("document-save")), i18nc("@action:inmenu", "&Save"));
QObject::connect(saveAction, &QAction::triggered, parent, [parent, this] {
save(parent);
});
fileMenu->addAction(saveAction);
const auto saveDecryptedAction = new QAction(QIcon::fromTheme(QStringLiteral("document-save")), i18nc("@action:inmenu", "Save Decrypted"));
QObject::connect(saveDecryptedAction, &QAction::triggered, parent, [parent, this] {
saveDecrypted(parent);
});
fileMenu->addAction(saveDecryptedAction);
const auto printPreviewAction = new QAction(QIcon::fromTheme(QStringLiteral("document-print-preview")), i18nc("@action:inmenu", "Print Preview"));
QObject::connect(printPreviewAction, &QAction::triggered, parent, [parent, this] {
printPreview(parent);
});
fileMenu->addAction(printPreviewAction);
const auto printAction = new QAction(QIcon::fromTheme(QStringLiteral("document-print")), i18nc("@action:inmenu", "&Print"));
QObject::connect(printAction, &QAction::triggered, parent, [parent, this] {
print(parent);
});
fileMenu->addAction(printAction);
// Navigation menu
const auto navigationMenu = menuBar->addMenu(i18nc("@action:inmenu", "&Navigation"));
previousAction = new QAction(QIcon::fromTheme(QStringLiteral("go-previous")), i18nc("@action:button Previous email", "Previous Message"), parent);
previousAction->setEnabled(false);
navigationMenu->addAction(previousAction);
nextAction = new QAction(QIcon::fromTheme(QStringLiteral("go-next")), i18nc("@action:button Next email", "Next Message"), parent);
nextAction->setEnabled(false);
navigationMenu->addAction(nextAction);
return menuBar;
}
void MessageViewerDialog::Private::save(QWidget *parent)
{
const QString fileName = QFileDialog::getSaveFileName(parent,
i18nc("@title:window", "Save File"),
QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation),
i18nc("File dialog accepted files", "Email files (*.mbox)"));
QSaveFile file(fileName);
if (!file.open(QIODevice::WriteOnly)) {
KMessageBox::error(parent, i18n("File %1 could not be created.", fileName), i18n("Error saving message"));
return;
}
file.write(messages[currentIndex]->encodedContent());
file.commit();
}
void MessageViewerDialog::Private::saveDecrypted(QWidget *parent)
{
const QString fileName = QFileDialog::getSaveFileName(parent,
i18nc("@title:window", "Save Decrypted File"),
QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation),
i18nc("File dialog accepted files", "Email files (*.mbox)"));
QSaveFile file(fileName);
if (!file.open(QIODevice::WriteOnly)) {
KMessageBox::error(parent, i18nc("Error message", "File %1 could not be created.", fileName), i18n("Error saving message"));
return;
}
auto message = messages[currentIndex];
bool wasEncrypted = false;
auto decryptedMessage = CryptoUtils::decryptMessage(message, wasEncrypted);
if (!wasEncrypted) {
decryptedMessage = message;
}
file.write(decryptedMessage->encodedContent());
file.commit();
}
void MessageViewerDialog::Private::print(QWidget *parent)
{
QPrinter printer;
QPrintDialog dialog(&printer, parent);
dialog.setWindowTitle(i18nc("@title:window", "Print Document"));
if (dialog.exec() != QDialog::Accepted)
return;
printInternal(&printer);
}
void MessageViewerDialog::Private::printPreview(QWidget *parent)
{
auto dialog = new QPrintPreviewDialog(parent);
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->resize(800, 750);
dialog->setWindowTitle(i18nc("@title:window", "Print Document"));
QObject::connect(dialog, &QPrintPreviewDialog::paintRequested, parent, [this](QPrinter *printer) {
printInternal(printer);
});
dialog->open();
}
void MessageViewerDialog::Private::printInternal(QPrinter *printer)
{
QPainter painter;
painter.begin(printer);
const auto pageLayout = printer->pageLayout();
const auto pageRect = pageLayout.paintRectPixels(printer->resolution());
- const auto paperRect = pageLayout.fullRectPixels(printer->resolution());
const double xscale = pageRect.width() / double(messageViewer->width());
const double yscale = pageRect.height() / double(messageViewer->height());
const double scale = qMin(qMin(xscale, yscale), 1.);
painter.translate(pageRect.x(), pageRect.y());
painter.scale(scale, scale);
messageViewer->print(&painter, pageRect.width());
}
MessageViewerDialog::MessageViewerDialog(const QString &fileName, QWidget *parent)
: QDialog(parent)
, d(std::make_unique<Private>())
{
const auto mainLayout = new QVBoxLayout(this);
mainLayout->setContentsMargins({});
const auto layout = new QVBoxLayout;
layout->setContentsMargins(style()->pixelMetric(QStyle::PM_LayoutLeftMargin, nullptr, this),
style()->pixelMetric(QStyle::PM_LayoutTopMargin, nullptr, this),
style()->pixelMetric(QStyle::PM_LayoutRightMargin, nullptr, this),
style()->pixelMetric(QStyle::PM_LayoutBottomMargin, nullptr, this));
const auto menuBar = d->createMenuBar(this);
mainLayout->setMenuBar(menuBar);
d->messages += MimeTreeParser::Core::FileOpener::openFile(fileName);
if (d->messages.isEmpty()) {
auto errorMessage = new KMessageWidget(this);
errorMessage->setMessageType(KMessageWidget::Error);
errorMessage->setText(i18nc("@info", "Unable to read file"));
layout->addWidget(errorMessage);
return;
}
const bool multipleMessages = d->messages.length() > 1;
if (multipleMessages) {
const auto toolBar = new QToolBar(this);
#ifdef Q_OS_UNIX
toolBar->setToolButtonStyle(Qt::ToolButtonFollowStyle);
#else
// on other platforms the default is IconOnly which is bad for
// accessibility and can't be changed by the user.
toolBar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
#endif
toolBar->addAction(d->previousAction);
- connect(d->previousAction, &QAction::triggered, this, [this](int index) {
+ connect(d->previousAction, &QAction::triggered, this, [this] {
d->setCurrentIndex(d->currentIndex - 1);
});
const auto spacer = new QWidget(this);
spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
toolBar->addWidget(spacer);
toolBar->addAction(d->nextAction);
- connect(d->nextAction, &QAction::triggered, this, [this](int index) {
+ connect(d->nextAction, &QAction::triggered, this, [this] {
d->setCurrentIndex(d->currentIndex + 1);
});
d->nextAction->setEnabled(true);
mainLayout->addWidget(toolBar);
}
mainLayout->addLayout(layout);
d->messageViewer = new MimeTreeParser::Widgets::MessageViewer(this);
d->messageViewer->setMessage(d->messages[0]);
layout->addWidget(d->messageViewer);
auto buttonBox = new QDialogButtonBox(this);
auto closeButton = buttonBox->addButton(QDialogButtonBox::Close);
connect(closeButton, &QPushButton::pressed, this, &QDialog::accept);
layout->addWidget(buttonBox);
}
MessageViewerDialog::~MessageViewerDialog() = default;
QVector<KMime::Message::Ptr> MessageViewerDialog::messages() const
{
return d->messages;
}

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