[macOS] Fix native menu submenu items have wrong action and accelerators set.

platform/macos/godot_menu_item.h

@@ -50,6 +50,7 @@ enum GlobalMenuCheckType {
 	Callable key_callback;
 	Callable hover_callback;
 	Variant meta;
+	Key accel;
 	GlobalMenuCheckType checkable_type;
 	bool checked;
 	int max_states;

platform/macos/godot_menu_item.mm

@@ -41,6 +41,7 @@
 	self->checked = false;
 	self->max_states = 0;
 	self->state = 0;
+	self->accel = Key::NONE;
 
 	return self;
 }

platform/macos/native_menu_macos.mm

@@ -415,6 +415,7 @@ int NativeMenuMacOS::add_item(const RID &p_rid, const String &p_label, const Cal
 		obj->callback = p_callback;
 		obj->key_callback = p_key_callback;
 		obj->meta = p_tag;
+		obj->accel = p_accel;
 		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
 		[menu_item setRepresentedObject:obj];
 	}
@@ -433,6 +434,7 @@ int NativeMenuMacOS::add_check_item(const RID &p_rid, const String &p_label, con
 		obj->key_callback = p_key_callback;
 		obj->meta = p_tag;
 		obj->checkable_type = CHECKABLE_TYPE_CHECK_BOX;
+		obj->accel = p_accel;
 		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
 		[menu_item setRepresentedObject:obj];
 	}
@@ -450,6 +452,7 @@ int NativeMenuMacOS::add_icon_item(const RID &p_rid, const Ref<Texture2D> &p_ico
 		obj->callback = p_callback;
 		obj->key_callback = p_key_callback;
 		obj->meta = p_tag;
+		obj->accel = p_accel;
 		DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
 		if (ds && p_icon.is_valid() && p_icon->get_width() > 0 && p_icon->get_height() > 0 && p_icon->get_image().is_valid()) {
 			obj->img = p_icon->get_image();
@@ -479,6 +482,7 @@ int NativeMenuMacOS::add_icon_check_item(const RID &p_rid, const Ref<Texture2D>
 		obj->key_callback = p_key_callback;
 		obj->meta = p_tag;
 		obj->checkable_type = CHECKABLE_TYPE_CHECK_BOX;
+		obj->accel = p_accel;
 		DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
 		if (ds && p_icon.is_valid() && p_icon->get_width() > 0 && p_icon->get_height() > 0 && p_icon->get_image().is_valid()) {
 			obj->img = p_icon->get_image();
@@ -508,6 +512,7 @@ int NativeMenuMacOS::add_radio_check_item(const RID &p_rid, const String &p_labe
 		obj->key_callback = p_key_callback;
 		obj->meta = p_tag;
 		obj->checkable_type = CHECKABLE_TYPE_RADIO_BUTTON;
+		obj->accel = p_accel;
 		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
 		[menu_item setRepresentedObject:obj];
 	}
@@ -526,6 +531,7 @@ int NativeMenuMacOS::add_icon_radio_check_item(const RID &p_rid, const Ref<Textu
 		obj->key_callback = p_key_callback;
 		obj->meta = p_tag;
 		obj->checkable_type = CHECKABLE_TYPE_RADIO_BUTTON;
+		obj->accel = p_accel;
 		DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
 		if (ds && p_icon.is_valid() && p_icon->get_width() > 0 && p_icon->get_height() > 0 && p_icon->get_image().is_valid()) {
 			obj->img = p_icon->get_image();
@@ -556,6 +562,7 @@ int NativeMenuMacOS::add_multistate_item(const RID &p_rid, const String &p_label
 		obj->meta = p_tag;
 		obj->max_states = p_max_states;
 		obj->state = p_default_state;
+		obj->accel = p_accel;
 		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
 		[menu_item setRepresentedObject:obj];
 	}
@@ -1096,6 +1103,8 @@ void NativeMenuMacOS::set_item_submenu(const RID &p_rid, int p_idx, const RID &p
 		NSMenuItem *menu_item = [md->menu itemAtIndex:p_idx];
 		if (menu_item) {
 			[md->menu setSubmenu:md_sub->menu forItem:menu_item];
+			[menu_item setAction:nil];
+			[menu_item setKeyEquivalent:@""];
 		}
 	} else {
 		int item_start = _get_system_menu_start(md->menu);
@@ -1108,7 +1117,11 @@ void NativeMenuMacOS::set_item_submenu(const RID &p_rid, int p_idx, const RID &p
 				ERR_PRINT("Can't remove open menu!");
 				return;
 			}
+			GodotMenuItem *obj = [menu_item representedObject];
+			String keycode = KeyMappingMacOS::keycode_get_native_string(obj->accel & KeyModifierMask::CODE_MASK);
 			[md->menu setSubmenu:nil forItem:menu_item];
+			[menu_item setAction:@selector(globalMenuCallback:)];
+			[menu_item setKeyEquivalent:[NSString stringWithUTF8String:keycode.utf8().get_data()]];
 		}
 	}
 }
@@ -1124,12 +1137,17 @@ void NativeMenuMacOS::set_item_accelerator(const RID &p_rid, int p_idx, Key p_ke
 	ERR_FAIL_COND(p_idx >= item_start + item_count);
 	NSMenuItem *menu_item = [md->menu itemAtIndex:p_idx];
 	if (menu_item) {
-		if (p_keycode == Key::NONE) {
-			[menu_item setKeyEquivalent:@""];
-		} else {
-			[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_keycode)];
-			String keycode = KeyMappingMacOS::keycode_get_native_string(p_keycode & KeyModifierMask::CODE_MASK);
-			[menu_item setKeyEquivalent:[NSString stringWithUTF8String:keycode.utf8().get_data()]];
+		GodotMenuItem *obj = [menu_item representedObject];
+		obj->accel = p_keycode;
+		NSMenu *sub_menu = [menu_item submenu];
+		if (!sub_menu) {
+			if (p_keycode == Key::NONE) {
+				[menu_item setKeyEquivalent:@""];
+			} else {
+				[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_keycode)];
+				String keycode = KeyMappingMacOS::keycode_get_native_string(p_keycode & KeyModifierMask::CODE_MASK);
+				[menu_item setKeyEquivalent:[NSString stringWithUTF8String:keycode.utf8().get_data()]];
+			}
 		}
 	}
 }