Add a CanvasEntry which allows to set the background color.

sugar/graphics/Makefile.am

@@ -5,6 +5,7 @@ sugar_PYTHON =			\
 	icon.py			\
 	iconbutton.py          	\
 	canvasicon.py		\
+	canvasentry.py		\
 	color.py		\
 	combobox.py		\
 	font.py			\

sugar/graphics/canvasentry.py

@@ -0,0 +1,25 @@
+# Copyright (C) 2007, Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library 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 library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import gtk
+import hippo
+
+class CanvasEntry(hippo.CanvasEntry):
+    def set_background(self, color_spec):
+        color = gtk.gdk.color_parse(color_spec)
+        self.props.widget.modify_bg(gtk.STATE_INSENSITIVE, color)
+        self.props.widget.modify_base(gtk.STATE_INSENSITIVE, color)