Prevent use parent-frame parameter on winit for now

crates/emacs-sys/src/frame.rs

@@ -522,6 +522,11 @@ impl FrameRef {
         };
         f.set_parent(parent_frame);
         f.store_param(FrameParam::ParentFrame, parent_frame);
+
+        if cfg!(have_winit) && parent_frame.is_not_nil() {
+            error!("Winit currently doesn't support parent-frame parameter");
+        }
+
         let unsplittable =
             f.is_minibuf_only() || dpyinfo.gui_arg(params, FrameParam::Unsplittable).is_t();
         f.set_no_split(unsplittable);

lisp/term/winit-win.el

@@ -1284,6 +1284,16 @@ This returns an error if any Emacs frames are X frames."
 ;; Initiate drag and drop
 ;; TODO
 
+
+(defun child-frame-support-p ()
+  "Winit currently doesn't support child frame."
+  nil)
+
+(eval-after-load 'posframe
+  (advice-add 'posframe-workable-p :override 'child-frame-support-p))
+(eval-after-load 'corfu
+  (advice-add 'corfu--popup-support-p :override 'child-frame-support-p))
+
 
 (provide 'winit-win)
 (provide 'term/winit-win)