no controls should return empty list, not none

ahk/_async/window.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from typing import Literal
+from typing import Sequence
 from typing import TYPE_CHECKING
 from typing import Union
 
@@ -69,6 +70,14 @@ async def get_minmax(self) -> Union[Literal[0], Literal[1], Literal[-1]]:
             )
         return minmax
 
+    async def list_controls(self) -> Sequence['AsyncControl']:
+        controls = await self._engine.win_get_control_list(title=f'ahk_id {self._ahk_id}')
+        if controls is None:
+            raise WindowNotFoundException(
+                f'Error when trying to enumerate controls for window {self._ahk_id}. The window may have been closed before the operation could be completed'
+            )
+        return controls
+
 
 class AsyncControl:
     def __init__(self, window: AsyncWindow, hwnd: str, control_class: str):

ahk/_sync/window.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from typing import Literal
+from typing import Sequence
 from typing import TYPE_CHECKING
 from typing import Union
 
@@ -69,6 +70,14 @@ def get_minmax(self) -> Union[Literal[0], Literal[1], Literal[-1]]:
             )
         return minmax
 
+    def list_controls(self) -> Sequence['SyncControl']:
+        controls = self._engine.win_get_control_list(title=f'ahk_id {self._ahk_id}')
+        if controls is None:
+            raise WindowNotFoundException(
+                f'Error when trying to enumerate controls for window {self._ahk_id}. The window may have been closed before the operation could be completed'
+            )
+        return controls
+
 
 class SyncControl:
     def __init__(self, window: Window, hwnd: str, control_class: str):

ahk/daemon.ahk

@@ -192,7 +192,7 @@ AHKWinGetControlList(ByRef command) {
     WinGet, ctrListID, ControlListHWND, %title%, %text%, %extitle%, %extext%
 
     if (ctrListID = "") {
-        return FormatNoValueResponse()
+        return FormatResponse(WINDOWCONTROLLISTRESPONSEMESSAGE, Format("('{}', [])", ahkid))
     }
 
     ctrListArr := StrSplit(ctrList, "`n")

ahk/message.py

@@ -211,7 +211,6 @@ class WindowControlListResponseMessage(ResponseMessage):
 
     def unpack(self) -> Tuple[str, list[Tuple[str, str]]]:
         s = self._raw_content.decode(encoding='utf-8')
-        breakpoint()
         val = ast.literal_eval(s)
         assert is_window_control_list_response(val)
         return val