add Style.PaintFlatBox with a nullable area, to avoid clipping

Gtk.Sources/Style.cs

@@ -0,0 +1,44 @@
+// Gtk.Style.cs
+//
+// Author(s):
+//      Stephane Delcroix <stephane@delcroix.org>
+//
+// Copyright (c) 2009 Novell, Inc.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of version 2 of the Lesser GNU General 
+// Public License as published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this program; if not, write to the
+// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.
+
+using System;
+using System.Collections;
+using System.Runtime.InteropServices;
+using Gtk;
+
+namespace GtkBeans {
+	public class Style {
+               [DllImport("libgtk-win32-2.0-0.dll")]
+                static extern void gtk_paint_flat_box(IntPtr style, IntPtr window, int state_type, int shadow_type, IntPtr area, IntPtr widget, IntPtr detail, int x, int y, int width, int height);
+
+                public static void PaintFlatBox(Gtk.Style style, Gdk.Drawable window, Gtk.StateType state_type, Gtk.ShadowType shadow_type, Gdk.Rectangle? area, Gtk.Widget widget, string detail, int x, int y, int width, int height) {
+                        IntPtr native_area = area == null ? IntPtr.Zero : GLib.Marshaller.StructureToPtrAlloc (area);
+                        IntPtr native_detail = GLib.Marshaller.StringToPtrGStrdup (detail);
+                        gtk_paint_flat_box(style == null ? IntPtr.Zero : style.Handle, window == null ? IntPtr.Zero : window.Handle, (int) state_type, (int) shadow_type, native_area, widget == null ? IntPtr.Zero : widget.Handle, native_detail, x, y, width, height);
+                        if (area != null) {
+				area = Gdk.Rectangle.New (native_area);
+	                        Marshal.FreeHGlobal (native_area);
+			}
+                        GLib.Marshaller.Free (native_detail);
+                }
+	}
+}
+	

Makefile.am

@@ -7,6 +7,7 @@ GTK_SRCS =					\
 	$(srcdir)/Gtk.Sources/Global.cs		\
 	$(srcdir)/Gtk.Sources/Image.cs		\
 	$(srcdir)/Gtk.Sources/ImageMenuItem.cs	\
+	$(srcdir)/Gtk.Sources/Style.cs		\
 	$(srcdir)/Gtk.Sources/Widget.cs
 
 GTK_CUSTOMS =					\