diff --git a/src/sp-item-group.h b/src/sp-item-group.h
index 1cf4e9912da248834a2bdb6d68e1536a2f6997fd..65a51055a79aab462eb760c4a9d1a7cff0dcce82 100644 (file)
--- a/src/sp-item-group.h
+++ b/src/sp-item-group.h
#define SP_IS_GROUP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_GROUP))
#define SP_IS_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_GROUP))
+#define SP_IS_LAYER(obj) (SP_IS_GROUP(obj) && SP_GROUP(obj)->layerMode() == SPGroup::LAYER)
+
class CGroup;
struct SPGroup : public SPLPEItem {