[gimp] Bug 739369 - Rendering artifacts in the tool in-canvas UI with opacity

[Michael Natterer <mitch src gnome org>]

commit 16d20311366e98acec140bbf2867e0d8f3f8dde8
Author: Michael Natterer <mitch gimp org>
Date:   Mon Dec 1 21:50:57 2014 +0100

    Bug 739369 - Rendering artifacts in the tool in-canvas UI with opacity
    
    Don't disable double buffering in GimpOverlayBox, we don't do it for
    the canvas any longer, and removing that code fixes the artifacts.

 app/widgets/gimpoverlaybox.c |   21 ---------------------
 1 files changed, 0 insertions(+), 21 deletions(-)
---
diff --git a/app/widgets/gimpoverlaybox.c b/app/widgets/gimpoverlaybox.c
index dda04c0..01f5fce 100644
--- a/app/widgets/gimpoverlaybox.c
+++ b/app/widgets/gimpoverlaybox.c
@@ -344,25 +344,6 @@ gimp_overlay_box_new (void)
   return g_object_new (GIMP_TYPE_OVERLAY_BOX, NULL);
 }
 
-static void
-unset_double_buffered (GtkWidget *widget)
-{
-  gtk_widget_set_double_buffered (widget, FALSE);
-
-  if (GTK_IS_CONTAINER (widget))
-    {
-      GList *children = gtk_container_get_children (GTK_CONTAINER (widget));
-      GList *list;
-
-      for (list = children; list; list = g_list_next (list))
-        {
-          unset_double_buffered (list->data);
-        }
-
-      g_list_free (children);
-    }
-}
-
 void
 gimp_overlay_box_add_child (GimpOverlayBox *box,
                             GtkWidget      *widget,
@@ -374,8 +355,6 @@ gimp_overlay_box_add_child (GimpOverlayBox *box,
   g_return_if_fail (GIMP_IS_OVERLAY_BOX (box));
   g_return_if_fail (GTK_IS_WIDGET (widget));
 
-  unset_double_buffered (widget);
-
   child = gimp_overlay_child_new (box, widget, xalign, yalign, 0.0, 0.7);
 
   box->children = g_list_append (box->children, child);