1 files changed, 6 insertions, 0 deletions
diff --git a/server/tree.h b/server/tree.h
index 6e83f7a8..6249c286 100644
--- a/server/tree.h
+++ b/server/tree.h
@@ -73,6 +73,12 @@ struct DrawItem {
 #define IS_DRAW_ITEM(item) ((item)->type == TREE_ITEM_TYPE_DRAWABLE)
 #define DRAW_ITEM(item) ((DrawItem*)(item))
 
+static inline int is_opaque_item(TreeItem *item)
+{
+    return item->type == TREE_ITEM_TYPE_CONTAINER ||
+        (IS_DRAW_ITEM(item) && ((DrawItem *)item)->effect == QXL_EFFECT_OPAQUE);
+}
+
 void       tree_item_dump                           (TreeItem *item);
 Shadow*    shadow_new                               (DrawItem *item, const SpicePoint *delta);
 Container* container_new                            (DrawItem *item);