From f5df4e05e2c5f6c5380890f651cd49eeba85e8be Mon Sep 17 00:00:00 2001
From: Christian Dywan <christian@lanedo.com>
Date: Wed, 21 Oct 2009 18:12:01 +0200
Subject: [PATCH] Added accesor for GTK_VIEWPORT (widget)->bin_window

Although, you can use:
gtk_widget_get_parent_window (gtk_bin_get_child (GTK_BIN (widget)))
there already are gtk_tree_view_get_bin_window() and
gtk_layout_get_bin_window() in GTK+ api.

https://bugzilla.gnome.org/show_bug.cgi?id=594960
---
 gtk/gtk.symbols   |  1 +
 gtk/gtkviewport.c | 18 ++++++++++++++++++
 gtk/gtkviewport.h |  1 +
 3 files changed, 20 insertions(+)

diff --git a/gtk/gtk.symbols b/gtk/gtk.symbols
index 6a276db3c5..a1b1b044fe 100644
--- a/gtk/gtk.symbols
+++ b/gtk/gtk.symbols
@@ -4909,6 +4909,7 @@ gtk_viewport_get_hadjustment
 gtk_viewport_get_shadow_type
 gtk_viewport_get_type G_GNUC_CONST
 gtk_viewport_get_vadjustment
+gtk_viewport_get_bin_window
 gtk_viewport_new
 gtk_viewport_set_hadjustment
 gtk_viewport_set_shadow_type
diff --git a/gtk/gtkviewport.c b/gtk/gtkviewport.c
index 3e64564611..5fd9014ab4 100644
--- a/gtk/gtkviewport.c
+++ b/gtk/gtkviewport.c
@@ -556,6 +556,24 @@ gtk_viewport_get_shadow_type (GtkViewport *viewport)
   return viewport->shadow_type;
 }
 
+/**
+ * gtk_viewport_get_bin_window:
+ * @viewport: a #GtkViewport
+ *
+ * Gets the bin window of the #GtkViewport.
+ *
+ * Return value: a #GdkWindow
+ *
+ * Since: 2.20
+ **/
+GdkWindow*
+gtk_viewport_get_bin_window (GtkViewport *viewport)
+{
+  g_return_val_if_fail (GTK_IS_VIEWPORT (viewport), NULL);
+
+  return viewport->bin_window;
+}
+
 static void
 gtk_viewport_realize (GtkWidget *widget)
 {
diff --git a/gtk/gtkviewport.h b/gtk/gtkviewport.h
index a9300da5ba..da6b97c8d5 100644
--- a/gtk/gtkviewport.h
+++ b/gtk/gtkviewport.h
@@ -83,6 +83,7 @@ void           gtk_viewport_set_vadjustment (GtkViewport   *viewport,
 void           gtk_viewport_set_shadow_type (GtkViewport   *viewport,
 					     GtkShadowType  type);
 GtkShadowType  gtk_viewport_get_shadow_type (GtkViewport   *viewport);
+GdkWindow*     gtk_viewport_get_bin_window  (GtkViewport   *viewport);
 
 
 G_END_DECLS
-- 
2.30.2