[gtk+] box: Add a way to get the gadget

[Matthias Clasen <matthiasc src gnome org>]

commit d81f8c102566e5806ebe0b8d57e3e508b10b6f60
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Dec 18 07:37:52 2015 -0500

    box: Add a way to get the gadget
    
    This will be used in GtkButtonBox.

 gtk/gtkbox.c        |    6 ++++++
 gtk/gtkboxprivate.h |    3 +++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
index bc9192b..a99b4fd 100644
--- a/gtk/gtkbox.c
+++ b/gtk/gtkbox.c
@@ -2102,6 +2102,12 @@ gtk_box_init (GtkBox *box)
   _gtk_orientable_set_style_classes (GTK_ORIENTABLE (box));
 }
 
+GtkCssGadget *
+gtk_box_get_gadget (GtkBox *box)
+{
+  return box->priv->gadget;
+}
+
 /**
  * gtk_box_new:
  * @orientation: the box’s orientation.
diff --git a/gtk/gtkboxprivate.h b/gtk/gtkboxprivate.h
index 9628d3c..cd99758 100644
--- a/gtk/gtkboxprivate.h
+++ b/gtk/gtkboxprivate.h
@@ -20,6 +20,7 @@
 #define __GTK_BOX_PRIVATE_H__
 
 #include "gtkbox.h"
+#include "gtkcssgadgetprivate.h"
 
 G_BEGIN_DECLS
 
@@ -30,6 +31,8 @@ void        _gtk_box_set_spacing_set    (GtkBox         *box,
                                          gboolean        spacing_set);
 GList      *_gtk_box_get_children       (GtkBox         *box);
 
+GtkCssGadget *gtk_box_get_gadget (GtkBox *box);
+
 
 G_END_DECLS