fix

lib/bbs/application.rb

@@ -161,11 +161,12 @@ module BBS
 
     def dispatch(event)
       # An open menubar has priority — its keys (arrows, Enter, hotkeys, Esc)
-      # must beat any modal window's focused widget.
+      # must beat any modal window's focused widget. Always swallow events
+      # while the menu is open so they cannot leak through to windows.
       if @menubar&.open?
         result = @menubar.handle_event(event)
         return :halt if result == :halt
-        return nil if result
+        return nil
       end
 
       # Modal windows: top window gets first shot at events

lib/bbs/menu.rb

@@ -91,8 +91,11 @@ module BBS
     end
 
     def handle_event(event)
-      return open_via_keyboard(event) if !open? && event.key?
+      return navigate(event) if open?
-      return navigate(event)          if open?
+      return open_via_keyboard(event) if event.key?
+      if event.mouse? && event.mouse.kind == :press && event.mouse.button == :left
+        return handle_mouse_press(event)
+      end
       nil
     end
 
@@ -142,9 +145,6 @@ module BBS
           return :handled
         end
       end
-      if event.mouse? && event.mouse.kind == :press && event.mouse.button == :left
-        return handle_mouse_press(event)
-      end
       nil
     end