1 files changed, 93 insertions, 0 deletions
diff --git a/src/loglist.cpp b/src/loglist.cpp
index a4868ed4..fad4678c 100644
--- a/src/loglist.cpp
+++ b/src/loglist.cpp
@@ -262,3 +262,96 @@ void LogList::onContextMenu(const QPoint& pos)
   auto* menu = createMenu(this);
   menu->popup(viewport()->mapToGlobal(pos));
 }
+
+
+log::Levels convertQtLevel(QtMsgType t)
+{
+  switch (t)
+  {
+    case QtDebugMsg:
+      return log::Debug;
+
+    case QtWarningMsg:
+      return log::Warning;
+
+    case QtCriticalMsg:  // fall-through
+    case QtFatalMsg:
+      return log::Error;
+
+    case QtInfoMsg:  // fall-through
+    default:
+      return log::Info;
+  }
+}
+
+void qtLogCallback(
+  QtMsgType type, const QMessageLogContext& context, const QString& message)
+{
+  std::string_view file = "";
+
+  if (type != QtDebugMsg) {
+    if (context.file) {
+      file = context.file;
+
+      const auto lastSep = file.find_last_of("/\\");
+      if (lastSep != std::string_view::npos) {
+        file = {context.file + lastSep + 1};
+      }
+    }
+  }
+
+  if (file.empty()) {
+    log::log(
+      convertQtLevel(type), "{}",
+      message.toStdString());
+  } else {
+    log::log(
+      convertQtLevel(type), "[{}:{}] {}",
+      file, context.line, message.toStdString());
+  }
+}
+
+void initLogging()
+{
+  LogModel::create();
+
+  log::LoggerConfiguration conf;
+  conf.maxLevel = MOBase::log::Debug;
+  conf.pattern = "%^[%Y-%m-%d %H:%M:%S.%e %L] %v%$";
+  conf.utc = true;
+
+  log::createDefault(conf);
+
+  log::getDefault().setCallback(
+    [](log::Entry e){ LogModel::instance().add(e); });
+
+  qInstallMessageHandler(qtLogCallback);
+}
+
+bool createAndMakeWritable(const std::wstring &subPath) {
+  QString const dataPath = qApp->property("dataPath").toString();
+  QString fullPath = dataPath + "/" + QString::fromStdWString(subPath);
+
+  if (!QDir(fullPath).exists() && !QDir().mkdir(fullPath)) {
+    QMessageBox::critical(nullptr, QObject::tr("Error"),
+      QObject::tr("Failed to create \"%1\". Your user "
+        "account probably lacks permission.")
+      .arg(fullPath));
+    return false;
+  } else {
+    return true;
+  }
+}
+
+bool setLogDirectory(const QString& dir)
+{
+  const auto logFile = dir + "/logs/mo_interface.log";
+
+  if (!createAndMakeWritable(AppConfig::logPath())) {
+    return false;
+  }
+
+  log::getDefault().setFile(MOBase::log::File::single(logFile.toStdWString()));
+
+  return true;
+}