--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/extensions/pychan/properties.py	Tue Mar 24 08:09:57 2009 +0000
@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+import fife
+
+"""
+Property bindings
+=================
+
+This module contains a set of property bindings for
+the widgets, factored out to de-clutter the Widget.
+
+"""
+class WrappedProperty(object):
+	def __init__(self, name):
+		self.name = name
+	def _getSetter(self,obj):
+		setter_name = 'set' + self.name
+		return getattr(obj.real_widget,setter_name)
+	def _getGetter(self,obj):
+		getter_name = 'get' + self.name
+		return getattr(obj.real_widget,getter_name)
+
+
+class ColorProperty(WrappedProperty):
+	"""
+	A color property. Fakes a color attribute of a guichan widget.
+	This accepts either tuples of the colors (r,g,b)
+	or L{fife.Color} objects.
+
+	Color objects have value semantics in this case.
+	"""
+	def __init__(self, name):
+		super(ColorProperty, self).__init__(name)
+	def __set__(self, obj, color):
+		if isinstance(color, tuple):
+			color = fife.Color(*color)
+		else:
+			# Force a copy to get value semantics
+			color = fife.Color(color.r,color.g,color.b,color.a)
+		self._getSetter(obj)(color)
+	def __get__(self, obj, objtype = None):
+		color = self._getGetter(obj)()
+		return fife.Color(color.r,color.g,color.b,color.a)
+