Automatically recover from corrupted config file

src/slic3r/GUI/GUI_App.cpp

@@ -2122,16 +2122,15 @@ void GUI_App::init_app_config()
  app_config = new AppConfig();
  //app_config = new AppConfig(is_editor() ? AppConfig::EAppMode::Editor : AppConfig::EAppMode::GCodeViewer);
 
+ m_config_corrupted = false;
  // load settings
  m_app_conf_exists = app_config->exists();
  if (m_app_conf_exists) {
  std::string error = app_config->load();
  if (!error.empty()) {
- // Error while parsing config file. We'll customize the error message and rethrow to be displayed.
- throw Slic3r::RuntimeError(
- _u8L("OrcaSlicer configuration file may be corrupted and is not abled to be parsed."
- "Please delete the file and try again.") +
- "\n\n" + app_config->config_path() + "\n\n" + error);
+ // Orca: if the config file is corrupted, we will show a error dialog and create a default config file.
+ m_config_corrupted = true;
+
  }
  // Save orig_version here, so its empty if no app_config existed before this run.
  m_last_config_version = app_config->orig_version();//parse_semver_from_ini(app_config->config_path());
@@ -2748,13 +2747,21 @@ bool GUI_App::on_init_inner()
 
  if (m_post_initialized && app_config->dirty())
  app_config->save();
+
  });
 
  m_initialized = true;
 
  flush_logs();
 
  BOOST_LOG_TRIVIAL(info) << "finished the gui app init";
+ if (m_config_corrupted) {
+ m_config_corrupted = false;
+ show_error(nullptr,
+ _u8L(
+ "The OrcaSlicer configuration file may be corrupted and cannot be parsed.\nOrcaSlicer has attempted to recreate the "
+ "configuration file.\nPlease note, application settings will be lost, but printer profiles will not be affected."));
+ }
  //BBS: delete splash screen
  delete scrn;
  return true;

src/slic3r/GUI/GUI_App.hpp

@@ -656,6 +656,7 @@ class GUI_App : public wxApp
  bool m_datadir_redefined { false };
  std::string m_older_data_dir_path;
  boost::optional<Semver> m_last_config_version;
+ bool m_config_corrupted { false };
 };
 
 DECLARE_APP(GUI_App)