settings: save on OS button press

python_payload/st3m/settings.py

@@ -360,21 +360,19 @@ class SettingsMenuItem(MenuItem):
         self.widget.think(ins, delta_ms)
 
 
-class SettingsMenuItemBack(MenuItemBack):
-    """
-    Extends MenuItemBack to save settings on exit.
-    """
-
-    def press(self, vm: Optional[ViewManager]) -> None:
-        save_all()
-        super().press(vm)
-
-
 class SettingsMenu(SimpleMenu):
     """
     SimpleMenu but smol.
     """
 
+    def on_enter(self, vm: Optional[ViewManager]) -> None:
+        super().on_enter(vm)
+        load_all()
+
+    def on_exit(self) -> None:
+        save_all()
+        super().on_exit()
+
     SIZE_LARGE = 20
     SIZE_SMALL = 15
 
@@ -473,7 +471,7 @@ def build_menu_recursive(items: "MenuStructure") -> SimpleMenu:
     """
     Recursively build a menu for the given setting structure.
     """
-    mib: MenuItem = SettingsMenuItemBack()
+    mib: MenuItem = MenuItemBack()
     positions: List[MenuItem] = [
         mib,
     ] + [