editable: Fix a thinko

When dealing with subclasses of GtkEntry, we were not
getting the property offset that is stored on the GtkEntry
type.

This was showing up as criticals when trying to set
::width-chars on a GtkFileChooserEntry.

diff --git a/gtk/gtkeditable.c b/gtk/gtkeditable.c
index f710d51cc0b29aaf548cd4edaa682db97e73e2fd..9569c4bc20e8c080dbb5c2493b87b937a697f74f 100644 (file)
--- a/gtk/gtkeditable.c
+++ b/gtk/gtkeditable.c
@@ -935,7 +935,10 @@ gtk_editable_delegate_set_property (GObject      *object,
   GType type = G_TYPE_FROM_INSTANCE (object);
   guint first_prop;
 
-  first_prop = GPOINTER_TO_UINT (g_type_get_qdata (type, quark_editable_data));
+  do {
+    first_prop = GPOINTER_TO_UINT (g_type_get_qdata (type, quark_editable_data));
+    type = g_type_parent (type);
+  } while (first_prop == 0 && type != 0);
 
   if (prop_id < first_prop)
     return FALSE;
@@ -994,7 +997,10 @@ gtk_editable_delegate_get_property (GObject    *object,
   GType type = G_TYPE_FROM_INSTANCE (object);
   guint first_prop;
 
-  first_prop = GPOINTER_TO_UINT (g_type_get_qdata (type, quark_editable_data));
+  do {
+    first_prop = GPOINTER_TO_UINT (g_type_get_qdata (type, quark_editable_data));
+    type = g_type_parent (type);
+  } while (first_prop == 0 && type != 0);
 
   if (prop_id < first_prop)
     return FALSE;