Project structure adjustment;

Project configuration adjustment;
Add version detection;
UI interface improvements;
Introduce JSON processing library;
Update Documents;

1 files changed, 208 insertions, 0 deletions

diff --git a/src/ui/help/AboutDialog.cpp b/src/ui/help/AboutDialog.cpp
new file mode 100644
index 00000000..4c9b54c9
--- /dev/null
+++ b/src/ui/help/AboutDialog.cpp
@@ -0,0 +1,208 @@
+/**
+ * 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.
+ *
+ * Foobar 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 Foobar.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from gpg4usb-team.
+ * Their source code version also complies with GNU General Public License.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "ui/help/AboutDialog.h"
+#include "GpgFrontendBuildInfo.h"
+
+#include "rapidjson/document.h"
+#include "rapidjson/writer.h"
+
+using namespace rapidjson;
+
+AboutDialog::AboutDialog(int defaultIndex, QWidget *parent)
+        : QDialog(parent) {
+    this->setWindowTitle(tr("About ") + qApp->applicationName());
+
+    auto *tabWidget = new QTabWidget;
+    auto *infoTab = new InfoTab();
+    auto *translatorsTab = new TranslatorsTab();
+    auto *updateTab = new UpdateTab();
+
+    tabWidget->addTab(infoTab, tr("General"));
+    tabWidget->addTab(translatorsTab, tr("Translators"));
+    tabWidget->addTab(updateTab, tr("Update"));
+
+    connect(tabWidget, &QTabWidget::currentChanged, this, [&](int index) {
+        qDebug() << "Current Index" << index;
+        if(index == 2) {
+            updateTab->getLatestVersion();
+        }
+    });
+
+    if(defaultIndex < tabWidget->count() && defaultIndex >= 0) {
+        tabWidget->setCurrentIndex(defaultIndex);
+    }
+
+    auto *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
+    connect(buttonBox, SIGNAL(accepted()), this, SLOT(close()));
+
+    auto *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(tabWidget);
+    mainLayout->addWidget(buttonBox);
+    setLayout(mainLayout);
+
+    this->exec();
+}
+
+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>"
+                             + tr("<br><center>GPGFrontend is an easy-to-use, compact, cross-platform, <br>"
+                                  "and installation-free gpg front-end tool.<br>"
+                                  "It visualizes most of the common operations of gpg commands.<br>"
+                                  "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<br/>"
+                                  "at <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>.") +
+                             tr("<br><br> Built with Qt ") + qVersion()
+                             + tr(" and GPGME ") + GpgME::GpgContext::getGpgmeVersion() +
+                             tr("<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->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 translatorsFile;
+    translatorsFile.setFileName(qApp->applicationDirPath() + "/About");
+    translatorsFile.open(QIODevice::ReadOnly);
+    QByteArray inBuffer = translatorsFile.readAll();
+
+    auto *label = new QLabel(inBuffer);
+    auto *mainLayout = new QVBoxLayout(this);
+    mainLayout->addWidget(label);
+
+    setLayout(mainLayout);
+}
+
+UpdateTab::UpdateTab(QWidget *parent) {
+    auto *pixmap = new QPixmap(":gpgfrontend-logo.png");
+    auto *layout = new QGridLayout();
+    auto *pixmapLabel = new QLabel();
+    pixmapLabel->setPixmap(*pixmap);
+    layout->addWidget(pixmapLabel, 0, 0, 1, -1, Qt::AlignCenter);
+
+    currentVersion = "v" + QString::number(VERSION_MAJOR) + "."
+                     + QString::number(VERSION_MINOR) + "."
+                     + QString::number(VERSION_PATCH);
+
+    auto tipsLabel = new QLabel();
+    tipsLabel->setText("<center>" +
+        tr("It is recommended that you always check the version of GpgFrontend and upgrade to the latest version.") +
+        "</center><br><center>" +
+        tr("New versions not only represent new features, but also often represent functional and security fixes.") + "</center>");
+    tipsLabel->setWordWrap(true);
+
+    currentVersionLabel = new QLabel();
+    currentVersionLabel->setText("<center>" + tr("Current Version: ") + "<b>" + currentVersion + "</b></center>");
+    currentVersionLabel->setWordWrap(true);
+
+    latestVersionLabel = new QLabel();
+    latestVersionLabel->setWordWrap(true);
+
+    upgradeLabel = new QLabel();
+    upgradeLabel->setText("<center>" +
+                       tr("The current version is inconsistent with the latest version on github.") +
+                       "</center><br><center>" +
+                       tr("Please click <a href=\"https://github.com/saturneric/GpgFrontend/releases\">here</a> to download the latest version.") + "</center>");
+    upgradeLabel->setWordWrap(true);
+    upgradeLabel->setOpenExternalLinks(true);
+    upgradeLabel->setHidden(true);
+
+    pb = new QProgressBar();
+    pb->setRange(0, 0);
+    pb->setTextVisible(false);
+
+    layout->addWidget(tipsLabel, 1, 0, 1, -1);
+    layout->addWidget(currentVersionLabel, 2, 0, 1, -1);
+    layout->addWidget(latestVersionLabel, 3, 0, 1, -1);
+    layout->addWidget(upgradeLabel, 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);
+
+    qDebug() << "Try to get latest version";
+
+    QString baseUrl = "https://api.github.com/repos/saturneric/gpgfrontend/releases/latest";
+
+    auto manager = new QNetworkAccessManager(this);
+
+    QNetworkRequest request;
+    request.setUrl(QUrl(baseUrl));
+
+    QNetworkReply *replay = manager->get(request);
+
+    while(replay->isRunning()) {
+        QApplication::processEvents();
+    }
+
+     this->pb->setHidden(true);
+
+     QByteArray bytes = replay->readAll();
+
+    Document d;
+    d.Parse(bytes.constData());
+
+    QString latestVersion = d["tag_name"].GetString();
+
+    qDebug() << "Latest Version From Github" << latestVersion;
+
+    QRegularExpression re("^[vV](\\d+\\.)?(\\d+\\.)?(\\*|\\d+)");
+    QRegularExpressionMatch match = re.match(latestVersion);
+    if (match.hasMatch()) {
+        latestVersion = match.captured(0); // matched == "23 def"
+        qDebug() << "Latest Version Matched" << latestVersion;
+    } else {
+        latestVersion = "Unknown";
+    }
+
+    latestVersionLabel->setText("<center><b>" + tr("Latest Version From Github: ") + latestVersion + "</b></center>");
+
+    if(latestVersion > currentVersion) {
+        upgradeLabel->setHidden(false);
+    }
+
+}