[gtk+/gtk-style-context: 40/260] GtkStyleContext: Add gtk_render_expander().

[Carlos Garnacho <carlosg src gnome org>]

commit 9de43ce265920ff094010c29afab425e9c28c382
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Mar 27 20:16:44 2010 +0100

    GtkStyleContext: Add gtk_render_expander().

 gtk/gtkstylecontext.c |   21 +++++++++++++++++++++
 gtk/gtkstylecontext.h |    6 ++++++
 2 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 9e97fda..bce74a7 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -693,5 +693,26 @@ gtk_render_frame (GtkStyleContext *context,
   engine_class->render_frame (priv->theming_engine, cr, x, y, width, height);
 }
 
+void
+gtk_render_expander (GtkStyleContext *context,
+                     cairo_t         *cr,
+                     gdouble          x,
+                     gdouble          y,
+                     gdouble          width,
+                     gdouble          height)
+{
+  GtkStyleContextPrivate *priv;
+  GtkThemingEngineClass *engine_class;
+
+  g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
+  g_return_if_fail (cr != NULL);
+
+  priv = GTK_STYLE_CONTEXT_GET_PRIVATE (context);
+  engine_class = GTK_THEMING_ENGINE_GET_CLASS (priv->theming_engine);
+
+  _gtk_theming_engine_set_context (priv->theming_engine, context);
+  engine_class->render_expander (priv->theming_engine, cr, x, y, width, height);
+}
+
 #define __GTK_STYLE_CONTEXT_C__
 #include "gtkaliasdef.c"
diff --git a/gtk/gtkstylecontext.h b/gtk/gtkstylecontext.h
index f432b4a..a54a431 100644
--- a/gtk/gtkstylecontext.h
+++ b/gtk/gtkstylecontext.h
@@ -133,6 +133,12 @@ void gtk_render_frame  (GtkStyleContext *context,
                         gdouble          y,
                         gdouble          width,
                         gdouble          height);
+void gtk_render_expander (GtkStyleContext *context,
+                          cairo_t         *cr,
+                          gdouble          x,
+                          gdouble          y,
+                          gdouble          width,
+                          gdouble          height);
 
 G_END_DECLS