option to open tab when saving selection as file

main.py

@@ -49,7 +49,7 @@ class MainWindow(QMainWindow):
         menu_bar = QMenuBar()
 
         menu_bar.addMenu(self.file_menu())
-        menu_bar.addMenu(self.highlight_menu())
+        menu_bar.addMenu(self.settings_menu())
         menu_bar.addMenu(self.help_menu())
 
         return menu_bar
@@ -72,8 +72,8 @@ class MainWindow(QMainWindow):
         file_menu.addAction(close_action)
         return file_menu
 
-    def highlight_menu(self) -> QMenu:
-        result = QMenu(self.tr("&View"), self)
+    def settings_menu(self) -> QMenu:
+        result = QMenu(self.tr("&Settings"), self)
         manage = QAction(self.tr("&Highlighter"), self)
         manage.setShortcut('Ctrl+H')
         manage.triggered.connect(lambda: HighlightingDialog(self.settings).exec())
@@ -87,6 +87,13 @@ class MainWindow(QMainWindow):
         )
         result.addAction(highlight_search_terms)
 
+        new_tab = QAction(self.tr("Open Tab on Save As File"), self)
+        new_tab.setCheckable(True)
+        new_tab.setChecked(self.settings.session.getboolean("general", "open_tab_on_save_as_file"))
+        new_tab.triggered.connect(
+            lambda checked: self.settings.set_session("general", "open_tab_on_save_as_file", str(checked)))
+        result.addAction(new_tab)
+
         return result
 
     def help_menu(self) -> QMenu: