[sugar] [PATCH] get_icon_name(): add step kwarg

[Martin Dengler]

---
 src/sugar/graphics/icon.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sugar/graphics/icon.py b/src/sugar/graphics/icon.py
index d22b412..65f194b 100644
--- a/src/sugar/graphics/icon.py
+++ b/src/sugar/graphics/icon.py
@@ -580,8 +580,8 @@ class CanvasIcon(hippo.CanvasBox, hippo.CanvasItem):
     
     palette = property(get_palette, set_palette)
 
-def get_icon_state(base_name, perc):
-    step = 5
+def get_icon_state(base_name, perc, step=5):
+    assert step > 0, 'get_icon_state(): step must be positive'
     strength = round(perc / step) * step
     icon_theme = gtk.icon_theme_get_default()
 
-- 
1.5.3.3