[gimp] gimp_item_is_attached(): an item is attached if its parent item is attached

[Michael Natterer <mitch src gnome org>]

commit fd8ebdacef6afd6671a61d50d6cfecee30544b4a
Author: Michael Natterer <mitch gimp org>
Date:   Sat Aug 1 19:39:10 2009 +0200

    gimp_item_is_attached(): an item is attached if its parent item is attached

 app/core/gimpitem.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/app/core/gimpitem.c b/app/core/gimpitem.c
index e2b0227..425ff5f 100644
--- a/app/core/gimpitem.c
+++ b/app/core/gimpitem.c
@@ -637,8 +637,15 @@ gimp_item_configure (GimpItem    *item,
 gboolean
 gimp_item_is_attached (GimpItem *item)
 {
+  GimpViewable *parent;
+
   g_return_val_if_fail (GIMP_IS_ITEM (item), FALSE);
 
+  parent = gimp_viewable_get_parent (GIMP_VIEWABLE (item));
+
+  if (parent)
+    return gimp_item_is_attached (GIMP_ITEM (parent));
+
   return GIMP_ITEM_GET_CLASS (item)->is_attached (item);
 }