Implement very simple spread out logic for the IconLayout

tests/test-icon-layout.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python
 import pygtk
 pygtk.require('2.0')
+import gobject
 
 from sugar.session.UITestSession import UITestSession
 
@@ -19,6 +20,17 @@ from sugar.canvas.IconItem import IconItem
 from sugar.canvas.CanvasView import CanvasView
 from sugar.canvas.Grid import Grid
 
+def _create_icon():
+	color = IconColor.IconColor()
+
+	icon = IconItem(size=125, color=color,
+					icon_name='stock-buddy')
+	root.add_child(icon)
+
+	icon_layout.add_icon(icon)
+
+	return (root.get_n_children() < 20)
+
 window = gtk.Window()
 window.connect("destroy", lambda w: gtk.main_quit())
 window.show()
@@ -36,14 +48,7 @@ root.add_child(item)
 
 icon_layout = IconLayout(Grid())
 
-for i in range(0, 200):
-	color = IconColor.IconColor()
-
-	icon = IconItem(size=125, color=color,
-					icon_name='stock-buddy')
-	root.add_child(icon)
-
-	icon_layout.add_icon(icon)
+gobject.timeout_add(500, _create_icon)
 
 canvas.set_model(canvas_model)