1 files changed, 259 insertions, 0 deletions
diff --git a/src/ui/dialog/help/AboutDialog.cpp b/src/ui/dialog/help/AboutDialog.cpp
new file mode 100644
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+++ b/src/ui/dialog/help/AboutDialog.cpp
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+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * 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 "AboutDialog.h"
+
+#include "GpgFrontendBuildInfo.h"
+#include "core/function/GlobalSettingStation.h"
+#include "core/thread/TaskRunnerGetter.h"
+#include "ui/dialog/help/GnupgTab.h"
+#include "ui/thread/VersionCheckTask.h"
+
+namespace GpgFrontend::UI {
+
+AboutDialog::AboutDialog(int defaultIndex, QWidget* parent)
+    : GeneralDialog(typeid(AboutDialog).name(), parent) {
+  this->setWindowTitle(QString(_("About")) + " " + qApp->applicationName());
+
+  auto* tab_widget = new QTabWidget;
+  auto* info_tab = new InfoTab();
+  auto* gnupg_tab = new GnupgTab();
+  auto* translators_tab = new TranslatorsTab();
+  update_tab_ = new UpdateTab();
+
+  tab_widget->addTab(info_tab, _("About GpgFrontend"));
+  tab_widget->addTab(gnupg_tab, _("GnuPG"));
+  tab_widget->addTab(translators_tab, _("Translators"));
+  tab_widget->addTab(update_tab_, _("Update"));
+
+  connect(tab_widget, &QTabWidget::currentChanged, this,
+          [&](int index) { LOG(INFO) << "Current Index" << index; });
+
+  if (defaultIndex < tab_widget->count() && defaultIndex >= 0) {
+    tab_widget->setCurrentIndex(defaultIndex);
+  }
+
+  auto* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
+  connect(buttonBox, &QDialogButtonBox::accepted, this, &AboutDialog::close);
+
+  auto* mainLayout = new QVBoxLayout;
+  mainLayout->addWidget(tab_widget);
+  mainLayout->addWidget(buttonBox);
+  setLayout(mainLayout);
+
+  this->resize(450, 580);
+  this->setMinimumWidth(450);
+  this->show();
+}
+
+void AboutDialog::showEvent(QShowEvent* ev) {
+  QDialog::showEvent(ev);
+  update_tab_->getLatestVersion();
+}
+
+InfoTab::InfoTab(QWidget* parent) : QWidget(parent) {
+  auto* pixmap = new QPixmap(":gpgfrontend-logo.png");
+  auto* text = new QString(
+      "<center><h2>" + qApp->applicationName() + "</h2></center>" +
+      "<center><b>" + qApp->applicationVersion() + "</b></center>" +
+      "<center>" + GIT_VERSION + "</center>" + "<br><center>" +
+      _("GpgFrontend is an easy-to-use, compact, cross-platform, "
+        "and installation-free gpg front-end tool."
+        "It visualizes most of the common operations of gpg commands."
+        "It's licensed under the GPL v3") +
+      "<br><br>"
+      "<b>" +
+      _("Developer:") + "</b><br>" + "Saturneric" + "<br><br>" +
+      _("If you have any questions or suggestions, raise an issue at") +
+      "<br/>"
+      " <a href=\"https://github.com/saturneric/GpgFrontend\">GitHub</a> " +
+      _("or send a mail to my mailing list at") + " <a " +
+      "href=\"mailto:[email protected]\">[email protected]</a>." + "<br><br> " +
+      _("Built with Qt") + " " + qVersion() + " " + _("and GPGME") + " " +
+      GpgFrontend::GpgContext::GetInstance().GetInfo().GpgMEVersion.c_str() +
+      "<br>" + _("Built at") + " " + BUILD_TIMESTAMP + "</center>");
+
+  auto* layout = new QGridLayout();
+  auto* pixmapLabel = new QLabel();
+  pixmapLabel->setPixmap(*pixmap);
+  layout->addWidget(pixmapLabel, 0, 0, 1, -1, Qt::AlignCenter);
+  auto* aboutLabel = new QLabel();
+  aboutLabel->setText(*text);
+  aboutLabel->setWordWrap(true);
+  aboutLabel->setOpenExternalLinks(true);
+  layout->addWidget(aboutLabel, 1, 0, 1, -1);
+  layout->addItem(
+      new QSpacerItem(20, 10, QSizePolicy::Minimum, QSizePolicy::Fixed), 2, 1,
+      1, 1);
+
+  setLayout(layout);
+}
+
+TranslatorsTab::TranslatorsTab(QWidget* parent) : QWidget(parent) {
+  QFile translators_qfile;
+  auto translators_file =
+      GlobalSettingStation::GetInstance().GetResourceDir() / "TRANSLATORS";
+  translators_qfile.setFileName(translators_file.u8string().c_str());
+#ifdef LINUX
+  if (!translators_qfile.exists()) {
+    translators_qfile.setFileName("/usr/local/share/GpgFrontend/TRANSLATORS");
+  }
+#endif
+
+  translators_qfile.open(QIODevice::ReadOnly);
+  QByteArray in_buffer = translators_qfile.readAll();
+
+  auto* label = new QLabel(in_buffer);
+
+  auto* main_layout = new QVBoxLayout(this);
+  main_layout->addWidget(label);
+  main_layout->addStretch();
+
+  auto notice_label = new QLabel(
+      _("If you think there are any problems with the translation, why not "
+        "participate in the translation work? If you want to participate, "
+        "please "
+        "read the document or contact me via email."),
+      this);
+  notice_label->setWordWrap(true);
+  main_layout->addWidget(notice_label);
+
+  setLayout(main_layout);
+}
+
+UpdateTab::UpdateTab(QWidget* parent) : QWidget(parent) {
+  auto* pixmap = new QPixmap(":gpgfrontend-logo.png");
+  auto* layout = new QGridLayout();
+  auto* pixmap_label = new QLabel();
+  pixmap_label->setPixmap(*pixmap);
+  layout->addWidget(pixmap_label, 0, 0, 1, -1, Qt::AlignCenter);
+
+  current_version_ = "v" + QString::number(VERSION_MAJOR) + "." +
+                     QString::number(VERSION_MINOR) + "." +
+                     QString::number(VERSION_PATCH);
+
+  auto tips_label = new QLabel();
+  tips_label->setText(
+      "<center>" +
+      QString(_("It is recommended that you always check the version "
+                "of GpgFrontend and upgrade to the latest version.")) +
+      "</center><center>" +
+      _("New versions not only represent new features, but "
+        "also often represent functional and security fixes.") +
+      "</center>");
+  tips_label->setWordWrap(true);
+
+  current_version_label_ = new QLabel();
+  current_version_label_->setText("<center>" + QString(_("Current Version")) +
+                                  _(": ") + "<b>" + current_version_ +
+                                  "</b></center>");
+  current_version_label_->setWordWrap(true);
+
+  latest_version_label_ = new QLabel();
+  latest_version_label_->setWordWrap(true);
+
+  upgrade_label_ = new QLabel();
+  upgrade_label_->setWordWrap(true);
+  upgrade_label_->setOpenExternalLinks(true);
+  upgrade_label_->setHidden(true);
+
+  pb_ = new QProgressBar();
+  pb_->setRange(0, 0);
+  pb_->setTextVisible(false);
+
+  layout->addWidget(tips_label, 1, 0, 1, -1);
+  layout->addWidget(current_version_label_, 2, 0, 1, -1);
+  layout->addWidget(latest_version_label_, 3, 0, 1, -1);
+  layout->addWidget(upgrade_label_, 4, 0, 1, -1);
+  layout->addWidget(pb_, 5, 0, 1, -1);
+  layout->addItem(
+      new QSpacerItem(20, 10, QSizePolicy::Minimum, QSizePolicy::Fixed), 2, 1,
+      1, 1);
+
+  setLayout(layout);
+}
+
+void UpdateTab::getLatestVersion() {
+  this->pb_->setHidden(false);
+
+  LOG(INFO) << _("try to get latest version");
+
+  auto* version_task = new VersionCheckTask();
+
+  connect(version_task, &VersionCheckTask::SignalUpgradeVersion, this,
+          &UpdateTab::slot_show_version_status);
+
+  Thread::TaskRunnerGetter::GetInstance()
+      .GetTaskRunner(Thread::TaskRunnerGetter::kTaskRunnerType_Network)
+      ->PostTask(version_task);
+}
+
+void UpdateTab::slot_show_version_status(const SoftwareVersion& version) {
+  this->pb_->setHidden(true);
+  latest_version_label_->setText(
+      "<center><b>" + QString(_("Latest Version From Github")) + ": " +
+      version.latest_version.c_str() + "</b></center>");
+
+  if (version.NeedUpgrade()) {
+    upgrade_label_->setText(
+        "<center>" +
+        QString(_("The current version is less than the latest version on "
+                  "github.")) +
+        "</center><center>" + _("Please click") +
+        " <a "
+        "href=\"https://www.gpgfrontend.pub/#/downloads\">" +
+        _("Here") + "</a> " + _("to download the latest stable version.") +
+        "</center>");
+    upgrade_label_->show();
+  } else if (version.VersionWithDrawn()) {
+    upgrade_label_->setText(
+        "<center>" +
+        QString(_("This version has serious problems and has been withdrawn. "
+                  "Please stop using it immediately.")) +
+        "</center><center>" + _("Please click") +
+        " <a "
+        "href=\"https://github.com/saturneric/GpgFrontend/releases\">" +
+        _("Here") + "</a> " + _("to download the latest stable version.") +
+        "</center>");
+    upgrade_label_->show();
+  } else if (!version.CurrentVersionReleased()) {
+    upgrade_label_->setText(
+        "<center>" +
+        QString(_("This version has not been released yet, it may be a beta "
+                  "version. If you are not a tester and care about version "
+                  "stability, please do not use this version.")) +
+        "</center><center>" + _("Please click") +
+        " <a "
+        "href=\"https://www.gpgfrontend.pub/#/downloads\">" +
+        _("Here") + "</a> " + _("to download the latest stable version.") +
+        "</center>");
+    upgrade_label_->show();
+  }
+}
+
+}  // namespace GpgFrontend::UI