Correctly propagate checked status

codupoc/codupoc.py

@@ -22,6 +22,9 @@ class TodoItem(Checkbox):
         self.main_app = main_app
         self.todo = todo
 
+    def on_checkbox_changed(self, event: Checkbox.Changed) -> None:
+        self.main_app.toggle_todo(self)
+
 
 class Codupoc(App[None]):
     CSS_PATH = "codupoc.tcss"
@@ -62,11 +65,16 @@ class Codupoc(App[None]):
     def load_todos_into_widgets(self) -> list[TodoItem]:
         widgets = []
         for t in self.todos.values():
-            nt = TodoItem(self, t, t.item, id=t.lid)
+            nt = TodoItem(self, t, t.item, id=t.lid, value=t.checked)
             widgets.append(nt)
 
         return widgets
 
+    def toggle_todo(self, todo: TodoItem):
+        lid = todo.id
+        self.todos[lid].checked = not self.todos[lid].checked
+        self.tmanager.write_todos(list(self.todos.values()))
+
 
 
     def __init__(self):

codupoc/todomanager.py

@@ -24,6 +24,8 @@ class TodoManager:
         for line in f:
             todos.append(parse_todo(line))
 
+        self.file.seek(0)
+
         return todos
 
     def close_todo_file(self):