1 files changed, 94 insertions, 0 deletions
diff --git a/src/ui/GpgFrontendApplication.cpp b/src/ui/GpgFrontendApplication.cpp
new file mode 100644
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+++ b/src/ui/GpgFrontendApplication.cpp
@@ -0,0 +1,94 @@
+/**
+ * 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.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]><[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "ui/GpgFrontendApplication.h"
+
+#include "GpgFrontendBuildInfo.h"
+
+namespace GpgFrontend::UI {
+
+GpgFrontendApplication::GpgFrontendApplication(int &argc, char **argv)
+    : QApplication(argc, argv) {
+#ifndef MACOS
+  this->setWindowIcon(QIcon(":gpgfrontend.png"));
+#endif
+
+#ifdef MACOS
+  // support retina screen
+  this->setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
+
+  // set the extra information of the build
+  this->setApplicationVersion(BUILD_VERSION);
+  this->setApplicationName(PROJECT_NAME);
+  this->setQuitOnLastWindowClosed(true);
+
+  // don't show icons in menus
+  this->setAttribute(Qt::AA_DontShowIconsInMenus);
+
+  // unicode in source
+  QTextCodec::setCodecForLocale(QTextCodec::codecForName("utf-8"));
+}
+
+GpgFrontendApplication *GpgFrontendApplication::GetInstance(int argc,
+                                                            char *argv[],
+                                                            bool new_instance) {
+  static GpgFrontendApplication *instance = nullptr;
+  if (new_instance || !instance) {
+    if (!instance) {
+      instance->quit();
+      delete instance;
+    }
+    instance = new GpgFrontendApplication(argc, argv);
+  }
+  return instance;
+}
+
+bool GpgFrontendApplication::notify(QObject *receiver, QEvent *event) {
+  bool app_done = true;
+  try {
+    app_done = QApplication::notify(receiver, event);
+  } catch (const std::exception &ex) {
+    LOG(INFO) << "Exception caught in notify: " << ex.what();
+    QMessageBox::information(nullptr, _("Standard Exception Thrown"),
+                             _("Oops, an standard exception was thrown "
+                               "during the running of the "
+                               "program. This is not a serious problem, it may "
+                               "be the negligence of the programmer, "
+                               "please report this problem if you can."));
+  } catch (...) {
+    LOG(INFO) << "Unknown exception caught in notify";
+    QMessageBox::information(
+        nullptr, _("Unhandled Exception Thrown"),
+        _("Oops, an unhandled exception was thrown "
+          "during the running of the program. This is not a "
+          "serious problem, it may be the negligence of the programmer, "
+          "please report this problem if you can."));
+  }
+  return app_done;
+}
+
+}  // namespace GpgFrontend::UI