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/**
* Copyright (C) 2021-2024 Saturneric <[email protected]>
*
* This file is part of GpgFrontend.
*
* GpgFrontend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "PlainTextEditorPage.h"
#include "core/model/SettingsObject.h"
#include "core/thread/FileReadTask.h"
#include "core/thread/TaskRunnerGetter.h"
#include "ui/struct/settings_object/AppearanceSO.h"
#include "ui_PlainTextEditor.h"
namespace GpgFrontend::UI {
PlainTextEditorPage::PlainTextEditorPage(QString file_path, QWidget *parent)
: QWidget(parent),
ui_(GpgFrontend::SecureCreateSharedObject<Ui_PlainTextEditor>()),
full_file_path_(std::move(file_path)) {
ui_->setupUi(this);
ui_->textPage->setFocus();
ui_->loadingLabel->setHidden(true);
// font size
AppearanceSO appearance(SettingsObject("general_settings_state"));
ui_->textPage->setFont(QFont("Courier", appearance.text_editor_font_size));
this->setAttribute(Qt::WA_DeleteOnClose);
this->ui_->characterLabel->setText(tr("0 character"));
this->ui_->lfLabel->setHidden(true);
this->ui_->encodingLabel->setText("Unicode");
connect(ui_->textPage, &QPlainTextEdit::textChanged, this, [=]() {
// if file is loading
if (!read_done_) return;
auto text = ui_->textPage->document()->toPlainText();
auto str = tr("%1 character(s)").arg(text.size());
this->ui_->characterLabel->setText(str);
});
if (full_file_path_.isEmpty()) {
read_done_ = true;
ui_->loadingLabel->setHidden(true);
} else {
read_done_ = false;
ui_->loadingLabel->setText(tr("Loading..."));
ui_->loadingLabel->setHidden(false);
}
}
const QString &PlainTextEditorPage::GetFilePath() const {
return full_file_path_;
}
QPlainTextEdit *PlainTextEditorPage::GetTextPage() { return ui_->textPage; }
void PlainTextEditorPage::NotifyFileSaved() {
this->is_crlf_ = false;
this->ui_->lfLabel->setText(tr("lf"));
this->ui_->encodingLabel->setText(tr("UTF-8"));
}
void PlainTextEditorPage::SetFilePath(const QString &filePath) {
full_file_path_ = filePath;
}
void PlainTextEditorPage::ShowNotificationWidget(QWidget *widget,
const char *className) {
widget->setProperty(className, true);
ui_->verticalLayout->addWidget(widget);
}
void PlainTextEditorPage::CloseNoteByClass(const char *className) {
QList<QWidget *> widgets = findChildren<QWidget *>();
for (QWidget *widget : widgets) {
if (widget->property(className) == true) {
widget->close();
}
}
}
void PlainTextEditorPage::slot_format_gpg_header() {
QString content = ui_->textPage->toPlainText();
// Get positions of the gpg-headers, if they exist
auto start = content.indexOf(GpgFrontend::PGP_SIGNED_BEGIN);
auto start_sig = content.indexOf(GpgFrontend::PGP_SIGNATURE_BEGIN);
auto end_sig = content.indexOf(GpgFrontend::PGP_SIGNATURE_END);
if (start < 0 || start_sig < 0 || end_sig < 0 || sign_marked_) {
return;
}
sign_marked_ = true;
// Set the fontstyle for the header
QTextCharFormat signFormat;
signFormat.setForeground(QBrush(QColor::fromRgb(80, 80, 80)));
signFormat.setFontPointSize(9);
// set font style for the signature
QTextCursor cursor(ui_->textPage->document());
cursor.setPosition(start_sig, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, end_sig);
cursor.setCharFormat(signFormat);
// set the font style for the header
int headEnd = content.indexOf("\n\n", start);
cursor.setPosition(start, QTextCursor::MoveAnchor);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, headEnd);
cursor.setCharFormat(signFormat);
}
void PlainTextEditorPage::ReadFile() {
read_done_ = false;
read_bytes_ = 0;
auto *text_page = this->GetTextPage();
text_page->setEnabled(false);
text_page->setReadOnly(true);
text_page->blockSignals(true);
text_page->document()->blockSignals(true);
ui_->loadingLabel->setHidden(false);
const auto target_path = this->full_file_path_;
auto task_runner =
GpgFrontend::Thread::TaskRunnerGetter::GetInstance().GetTaskRunner();
auto *read_task = new FileReadTask(target_path);
connect(read_task, &FileReadTask::SignalFileBytesRead, this,
&PlainTextEditorPage::slot_insert_text, Qt::QueuedConnection);
connect(this, &PlainTextEditorPage::SignalUIBytesDisplayed, read_task,
&FileReadTask::SignalFileBytesReadNext, Qt::QueuedConnection);
connect(this, &PlainTextEditorPage::close, read_task,
[=]() { emit read_task->SignalTaskShouldEnd(0); });
connect(read_task, &FileReadTask::SignalFileBytesReadEnd, this, [=]() {
// set the UI
qCDebug(ui, "signal file bytes read end rised");
this->read_done_ = true;
text_page->setEnabled(true);
text_page->document()->setModified(false);
text_page->blockSignals(false);
text_page->document()->blockSignals(false);
text_page->setReadOnly(false);
this->ui_->loadingLabel->setHidden(true);
});
task_runner->PostTask(read_task);
}
auto BinaryToString(const QByteArray &source) -> QString {
static const char kSyms[] = "0123456789ABCDEF";
QString buffer;
QTextStream ss(&buffer);
for (auto c : source) ss << kSyms[((c >> 4) & 0xf)] << kSyms[c & 0xf] << " ";
return buffer;
}
void PlainTextEditorPage::slot_insert_text(QByteArray bytes_data) {
read_bytes_ += bytes_data.size();
// insert the text to the text page
this->GetTextPage()->insertPlainText(bytes_data);
this->ui_->characterLabel->setText(
tr("%1 character(s)").arg(this->GetTextPage()->toPlainText().size()));
QTimer::singleShot(25, this, &PlainTextEditorPage::SignalUIBytesDisplayed);
}
} // namespace GpgFrontend::UI
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