implement toggle abbreviations

__main__.py

@@ -17,6 +17,7 @@ def __init__(self):
             PROJECT_NAME,
             self.generate_menu()
         )
+        self.enabled = True
 
     def add_abbreviation(self, pack_name: str, key: str, term: str, *, autogenerated: bool = False):
         if pack_name not in self.abbreviations:
@@ -65,10 +66,21 @@ def remove_all_abbreviations(self):
         self.abbreviations.clear()
         self.amount = 0
 
+    def toggle_enable(self):
+        if self.enabled:
+            self.remove_all_abbreviations()
+        else:
+            self.reload()
+        self.enabled = not self.enabled
+
+    def is_enable_checked(self, _: MenuItem) -> bool:
+        return self.enabled
+
     def generate_menu(self) -> Menu:
         return Menu(
             MenuItem(f'{self.amount} Abbreviations', lambda: None, enabled=False),
             Menu.SEPARATOR,
+            MenuItem('Enable Abbreviation', self.toggle_enable, checked=self.is_enable_checked),
             MenuItem('Open Setting Panel', lambda: start_setting_panel(self)),
             MenuItem('Reload', self.reload),
             MenuItem('Exit', self.terminate)