Some fixes

sugar/graphics/snowflakebox.py

@@ -10,7 +10,7 @@ _FLAKE_DISTANCE = 6
 class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
 	__gtype_name__ = 'SugarSnowflakeBox'
 	def __init__(self, **kwargs):
-		CanvasBox.__init__(self, **kwargs)
+		hippo.CanvasBox.__init__(self, **kwargs)
 
 		self._root = None
 		self._r = 0
@@ -28,10 +28,10 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
 
 	def _layout_child(self, child, index):
 		r = self._r
-		if (len(box.get_children()) > 10):
+		if (len(self.get_children()) > 10):
 			r += _FLAKE_DISTANCE * (index % 3)
 
-		angle = 2 * math.pi / len(box.get_children()) * index
+		angle = 2 * math.pi / len(self.get_children()) * index
 
 		[width, height] = child.get_allocation()
 		x = self._cx + math.cos(angle) * r - (width / 2)
@@ -40,8 +40,10 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
 		self.move(child, int(x), int(y))
 
 	def do_get_width_request(self):
+		hippo.CanvasBox.do_get_width_request(self)
+
 		max_child_size = 0
-		for child in box.get_children():
+		for child in self.get_children():
 			[width, height] = child.get_allocation()
 			max_child_size = max (max_child_size, width)
 			max_child_size = max (max_child_size, height)
@@ -49,19 +51,21 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
 		return self._r * 2 + max_child_size + _FLAKE_DISTANCE * 2
 
 	def do_get_height_request(self, width):
+		hippo.CanvasBox.do_get_height_request(self, width)
+
 		return width
 
 	def do_allocate(self, width, height):
-		self._r = _BASE_RADIUS + _CHILDREN_FACTOR * len(box.get_children())
+		self._r = _BASE_RADIUS + _CHILDREN_FACTOR * len(self.get_children())
 
 		hippo.CanvasBox.do_allocate(self, width, height)
 
-		self._cx = self.get_width_request() / 2
-		self._cy = self.get_height_request() / 2
+		self._cx = width / 2
+		self._cy = height / 2
 
-		self._layout_root(box)
+		self._layout_root()
 
 		index = 0
-		for child in box.get_children():
+		for child in self.get_children():
 			self._layout_child(child, index)
 			index += 1