perf: improve initialized and recover process

1. init logging system
2. init ui
3. init main

1 files changed, 45 insertions, 20 deletions

diff --git a/src/init.cpp b/src/init.cpp
index 2f4955f5..775ccbd5 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -26,25 +26,50 @@
  *
  */
 
+#include "GpgFrontend.h"
+#include "GpgFrontendBuildInfo.h"
 #include "core/function/GlobalSettingStation.h"
 
-/**
- * @brief Get the files of a given directory
- *
- * @param _path target directory
- * @return std::vector<std::filesystem::path>
- */
-std::vector<std::filesystem::path> get_files_of_directory(
-    const std::filesystem::path& _path) {
-  namespace fs = std::filesystem;
-  std::vector<fs::path> path_list;
-  if (!_path.empty()) {
-    fs::recursive_directory_iterator end;
-
-    for (fs::recursive_directory_iterator i(_path); i != end; ++i) {
-      const fs::path cp = (*i);
-      path_list.push_back(cp);
-    }
-  }
-  return path_list;
-}
\ No newline at end of file
+QApplication* init_qapplication(int argc, char* argv[]) {
+  auto* app = new QApplication(argc, argv);
+#ifndef MACOS
+  app->setWindowIcon(QIcon(":gpgfrontend.png"));
+#endif
+
+#ifdef MACOS
+  // support retina screen
+  app->setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
+
+  // set the extra information of the build
+  app->setApplicationVersion(BUILD_VERSION);
+  app->setApplicationName(PROJECT_NAME);
+  app->setQuitOnLastWindowClosed(true);
+
+  // don't show icons in menus
+  app->setAttribute(Qt::AA_DontShowIconsInMenus);
+
+  // unicode in source
+  QTextCodec::setCodecForLocale(QTextCodec::codecForName("utf-8"));
+  return app;
+}
+
+void destory_qapplication(QApplication* app) {
+  app->quit();
+  delete app;
+}
+
+void init_logging_system() {
+  el::Loggers::addFlag(el::LoggingFlag::AutoSpacing);
+  el::Configurations defaultConf;
+  defaultConf.setToDefault();
+
+  // apply settings
+  defaultConf.setGlobally(el::ConfigurationType::Format,
+                          "%datetime %level [main] %func %msg");
+  // apply settings no written to file
+  defaultConf.setGlobally(el::ConfigurationType::ToFile, "false");
+
+  // set the logger
+  el::Loggers::reconfigureLogger("default", defaultConf);
+}