Improve stylesheet loading

sugar/graphics/__init__.py

@@ -1,25 +0,0 @@
-import gtk
-
-from sugar.graphics import style
-from sugar.graphics.iconcolor import IconColor
-
-if gtk.gdk.screen_width() == 1200:
-	_medium_icon_size = 75
-else:
-	_medium_icon_size = 50
-
-_stylesheet = {
-	'color' : IconColor('white'),
-	'size'  : _medium_icon_size
-}
-style.register_stylesheet('frame-activity-icon', _stylesheet)
-
-_stylesheet = {
-	'size'  : _medium_icon_size
-}
-style.register_stylesheet('frame-zoom-icon', _stylesheet)
-
-_stylesheet = {
-	'size'  : _medium_icon_size
-}
-style.register_stylesheet('menu-action-icon', _stylesheet)

sugar/graphics/style.py

@@ -1,5 +1,12 @@
 _styles = {}
 
+def load_stylesheet(module):
+	for objname in dir(module):
+		if not objname.startswith('_'):
+			obj = getattr(module, objname)	
+			if isinstance(obj, dict):
+				register_stylesheet(objname.replace('_', '.'), obj)
+
 def register_stylesheet(name, style):
 	_styles[name] = style