[gtk+] overlay/paned: Ensure we set the right visual on windows

[Alexander Larsson <alexl src gnome org>]

commit bb7054b508bfe41eb3e7f27496d4c2eb3a2b2f7a
Author: Alexander Larsson <alexl redhat com>
Date:   Wed May 8 15:51:00 2013 +0200

    overlay/paned: Ensure we set the right visual on windows
    
    This was always "needed", but the problems with not doing it
    now are worse, since any CSD window will have a nonstandard
    rgba visual.

 gtk/gtkoverlay.c |    3 ++-
 gtk/gtkpaned.c   |    5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkoverlay.c b/gtk/gtkoverlay.c
index 75ca60d..c06f8e0 100644
--- a/gtk/gtkoverlay.c
+++ b/gtk/gtkoverlay.c
@@ -143,7 +143,8 @@ gtk_overlay_create_child_window (GtkOverlay *overlay,
   attributes.height = allocation.height;
   attributes.x = allocation.x;
   attributes.y = allocation.y;
-  attributes_mask = GDK_WA_X | GDK_WA_Y;
+  attributes.visual = gtk_widget_get_visual (widget);
+  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
   attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 
   window = gdk_window_new (gtk_widget_get_window (widget),
diff --git a/gtk/gtkpaned.c b/gtk/gtkpaned.c
index 7f976e6..e85521c 100644
--- a/gtk/gtkpaned.c
+++ b/gtk/gtkpaned.c
@@ -1391,6 +1391,7 @@ gtk_paned_create_child_window (GtkPaned  *paned,
   attributes.window_type = GDK_WINDOW_CHILD;
   attributes.wclass = GDK_INPUT_OUTPUT;
   attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
+  attributes.visual = gtk_widget_get_visual (widget);
   if (child)
     {
       GtkAllocation allocation;
@@ -1415,13 +1416,13 @@ gtk_paned_create_child_window (GtkPaned  *paned,
       gtk_widget_get_allocation (child, &allocation);
       attributes.width = allocation.width;
       attributes.height = allocation.height;
-      attributes_mask = GDK_WA_X | GDK_WA_Y;
+      attributes_mask = GDK_WA_X | GDK_WA_Y| GDK_WA_VISUAL;
     }
   else
     {
       attributes.width = 1;
       attributes.height = 1;
-      attributes_mask = 0;
+      attributes_mask = GDK_WA_VISUAL;
     }
 
   window = gdk_window_new (gtk_widget_get_window (widget),