about dialog

main.py

@@ -10,6 +10,7 @@ from PyQt6.QtCore import *
 from PyQt6.QtGui import *
 import sys
 
+from aboutdialog import AboutDialog
 from bigtext import BigText
 from logFileModel import LogFileModel
 from settings import Settings
@@ -52,6 +53,12 @@ class MainWindow(QMainWindow):
     def create_menu_bar(self) -> QMenuBar:
         menu_bar = QMenuBar()
 
+        menu_bar.addMenu(self.file_menu())
+        menu_bar.addMenu(self.help_menu())
+
+        return menu_bar
+
+    def file_menu(self) -> QMenu:
         file_menu = QMenu(self.tr("File", "name of the file menu"), self)
 
         open_file = QAction(self.tr("Open..."), self)
@@ -62,10 +69,20 @@ class MainWindow(QMainWindow):
 
         file_menu.addAction(open_file)
         file_menu.addAction(close_action)
+        return file_menu
 
-        menu_bar.addMenu(file_menu)
+    def help_menu(self) -> QMenu:
+        help_menu = QMenu(self.tr("Help", "name of the help menu"), self)
 
-        return menu_bar
+        about_action = QAction(self.tr("About"), self)
+        about_action.triggered.connect(self._open_about_dialog)
+        help_menu.addAction(about_action)
+
+        return help_menu
+
+    def _open_about_dialog(self):
+        dialog = AboutDialog()
+        dialog.exec()
 
     def _open_file(self) -> None:
         dialog = QFileDialog(self)