kernel: Fix clicking menu item when different window is directly under

kernel/window/event_manager_task.asm

@@ -35,6 +35,8 @@ event_manager_task_loop:
     ifz call add_event_to_active_window
     cmp r0, EVENT_TYPE_MENU_CLICK
     ifz call add_event_to_active_window
+    cmp r0, EVENT_TYPE_MENU_ACK
+    ifz call add_event_to_active_window
     cmp r0, EVENT_TYPE_MENU_UPDATE
     ifz call add_event_to_active_window
 
@@ -58,6 +60,18 @@ event_manager_task_mouse_event:
     push r1
     push r2
 
+    ; if a menu is open, don't continue
+    ; this is hacky as fuck
+    push r0
+    in r0, 0x8000031D ; overlay 29: enable status
+    cmp r0, 0
+    ifnz pop r0
+    ifnz pop r2
+    ifnz pop r1
+    ifnz pop r0
+    ifnz ret
+    pop r0
+
     ; find which overlay was clicked on
     mov r0, r1
     mov r1, r2

kernel/window/overlay.asm

@@ -2,7 +2,7 @@
 
 ; given a position on screen, find which enabled overlay (if any) is covering it
 ; if multiple overlays are covering the same position, the highest priority one will be returned
-; overlay 31 (the mouse cursor) is ignored
+; overlays 31, 30, and 29 (mouse cursor, menu bar, menu) are ignored
 ; inputs:
 ; r0: X coordinate
 ; r1: Y coordinate
@@ -12,7 +12,7 @@ find_overlay_convering_position:
     push r2
     push r31
 
-    mov r31, 31
+    mov r31, 29
 find_overlay_convering_position_loop:
     mov r2, r31
     dec r2