changeset 235:4a5e8e638b0d

Added the 'position_techinque' attr, so it can be used from XML. Factored out color properties and made them have value semantics.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 24 Mar 2009 08:09:57 +0000
parents e4dfdf4c11fd
children e476b6b7b2f0
files engine/extensions/pychan/properties.py engine/extensions/pychan/widgets.py
diffstat 2 files changed, 51 insertions(+), 28 deletions(-) [+]
line wrap: on
line diff
--- /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)
+
--- a/engine/extensions/pychan/widgets.py	Mon Mar 23 16:54:16 2009 +0000
+++ b/engine/extensions/pychan/widgets.py	Tue Mar 24 08:09:57 2009 +0000
@@ -12,6 +12,7 @@
 import events
 from exceptions import *
 from attrs import Attr,UnicodeAttr, PointAttr,ColorAttr,BoolAttr,IntAttr,FloatAttr
+from properties import ColorProperty
 
 def get_manager():
 	import pychan
@@ -43,6 +44,8 @@
 	def getWidth(self): return 0
 	def getHeight(self): return 0
 
+
+
 class Widget(object):
 	"""
 	This is the common widget base class, which provides most of the wrapping
@@ -98,7 +101,7 @@
 	ATTRIBUTES = [ Attr('name'), PointAttr('position'),
 		PointAttr('min_size'), PointAttr('size'), PointAttr('max_size'),
 		ColorAttr('base_color'),ColorAttr('background_color'),ColorAttr('foreground_color'),ColorAttr('selection_color'),
-		Attr('style'), Attr('font'),IntAttr('border_size')
+		Attr('style'), Attr('font'),IntAttr('border_size'),Attr('position_technique'),
 		]
 
 	DEFAULT_NAME = '__unnamed__'
@@ -605,33 +608,10 @@
 	def _getBorderSize(self): return self.real_widget.getFrameSize()
 	def _setBorderSize(self,size): self.real_widget.setFrameSize(size)
 
-	def _getBaseColor(self): return self.real_widget.getBaseColor()
-	def _setBaseColor(self,color):
-		if isinstance(color,type(())):
-			color = fife.Color(*color)
-		self.real_widget.setBaseColor(color)
-	base_color = property(_getBaseColor,_setBaseColor)
-
-	def _getBackgroundColor(self): return self.real_widget.getBackgroundColor()
-	def _setBackgroundColor(self,color):
-		if isinstance(color,type(())):
-			color = fife.Color(*color)
-		self.real_widget.setBackgroundColor(color)
-	background_color = property(_getBackgroundColor,_setBackgroundColor)
-
-	def _getForegroundColor(self): return self.real_widget.getForegroundColor()
-	def _setForegroundColor(self,color):
-		if isinstance(color,type(())):
-			color = fife.Color(*color)
-		self.real_widget.setForegroundColor(color)
-	foreground_color = property(_getForegroundColor,_setForegroundColor)
-
-	def _getSelectionColor(self): return self.real_widget.getSelectionColor()
-	def _setSelectionColor(self,color):
-		if isinstance(color,type(())):
-			color = fife.Color(*color)
-		self.real_widget.setSelectionColor(color)
-	selection_color = property(_getSelectionColor,_setSelectionColor)
+	base_color = ColorProperty("BaseColor")
+	background_color = ColorProperty("BackgroundColor")
+	foreground_color = ColorProperty("ForegroundColor")
+	selection_color = ColorProperty("SelectionColor")
 
 	def _getStyle(self): return self._style
 	def _setStyle(self,style):