fixed parented_window crash

Author: tomoyanonymous

src/macos/window.rs

@@ -109,7 +109,11 @@ impl WindowInner {
 
     fn raw_window_handle(&self) -> RawWindowHandle {
         if self.open.get() {
-            let ns_window = self.ns_window.get().unwrap_or(ptr::null_mut()) as *mut c_void;
+            let ns_window = self.ns_window.get().unwrap_or_else(|| unsafe {
+                // If ns_window is None (e.g., for parented windows), try to get it from the view
+                let window: id = msg_send![self.ns_view, window];
+                window as *mut Object
+            }) as *mut c_void;
 
             let mut handle = AppKitWindowHandle::empty();
             handle.ns_window = ns_window;
@@ -149,12 +153,24 @@ impl<'a> Window<'a> {
             panic!("Not a macOS window");
         };
 
+        // Get the parent window - prefer ns_window from handle if available,
+        // otherwise try to get it from the parent view
+        let parent_window = if !handle.ns_window.is_null() {
+            handle.ns_window as *mut Object
+        } else {
+            unsafe {
+                let parent_view = handle.ns_view as id;
+                let window: id = msg_send![parent_view, window];
+                window as *mut Object
+            }
+        };
+
         let ns_view = unsafe { create_view(&options) };
 
         let window_inner = WindowInner {
             open: Cell::new(true),
             ns_app: Cell::new(None),
-            ns_window: Cell::new(None),
+            ns_window: Cell::new(Some(parent_window)),
             ns_view,
 
             #[cfg(feature = "opengl")]
@@ -163,11 +179,13 @@ impl<'a> Window<'a> {
                 .map(|gl_config| Self::create_gl_context(None, ns_view, gl_config)),
         };
 
-        let window_handle = Self::init(window_inner, window_info, build);
-
         unsafe {
             let _: id = msg_send![handle.ns_view as *mut Object, addSubview: ns_view];
+        }
+
+        let window_handle = Self::init(window_inner, window_info, build);
 
+        unsafe {
             let () = msg_send![pool, drain];
         }
 
@@ -345,6 +363,7 @@ impl<'a> Window<'a> {
 
     #[cfg(feature = "opengl")]
     fn create_gl_context(ns_window: Option<id>, ns_view: id, config: GlConfig) -> GlContext {
+
         let mut handle = AppKitWindowHandle::empty();
         handle.ns_window = ns_window.unwrap_or(ptr::null_mut()) as *mut c_void;
         handle.ns_view = ns_view as *mut c_void;