Get rid of some of the obsolete units usage.

sugar/graphics/combobox.py

@@ -21,8 +21,6 @@ import logging
 import gobject
 import gtk
 
-from sugar.graphics import units
-
 class ComboBox(gtk.ComboBox):
     __gtype_name__ = 'SugarComboBox'    
 
@@ -66,7 +64,11 @@ class ComboBox(gtk.ComboBox):
     def append_item(self, action_id, text, icon_name=None):
         if not self._icon_renderer and icon_name:
             self._icon_renderer = gtk.CellRendererPixbuf()
-            self._icon_renderer.props.stock_size = units.microgrid_to_pixels(3)
+
+            settings = self.get_settings()
+            w, h = gtk.icon_size_lookup_for_settings(settings, gtk.ICON_SIZE_MENU)
+            self._icon_renderer.props.stock_size = w
+
             self.pack_start(self._icon_renderer, False)
             self.add_attribute(self._icon_renderer, 'pixbuf', 2)
 

sugar/graphics/palette.py

@@ -24,7 +24,6 @@ import hippo
 
 from sugar.graphics import palettegroup
 from sugar.graphics import animator
-from sugar.graphics import units
 from sugar.graphics import style
 from sugar import _sugaruiext
 
@@ -88,7 +87,6 @@ class Palette(gobject.GObject):
         self._popdown_anim.add(_PopdownAnimation(self))
 
         self._menu = _sugaruiext.Menu()
-        self._menu.set_min_width(units.grid_to_pixels(1))
 
         self._primary = _PrimaryMenuItem(label, accel_path)
         self._menu.append(self._primary)
@@ -378,7 +376,7 @@ class Palette(gobject.GObject):
 class _PrimaryMenuItem(gtk.MenuItem):
     def __init__(self, label, accel_path):
         gtk.MenuItem.__init__(self)
-        self.set_border_width(units.points_to_pixels(1))
+        self.set_border_width(style.DEFAULT_BORDER)
         self._set_label(label, accel_path)
 
     def set_label(self, label, accel_path):

sugar/graphics/style.py

@@ -89,6 +89,7 @@ _TAB_CURVATURE = 1
 ZOOM_FACTOR = _compute_zoom_factor()
 
 DEFAULT_SPACING = zoom(8)
+DEFAULT_BORDER = zoom(6)
 LINE_WIDTH = zoom(2)
 
 FONT_SIZE = zoom(7 * _XO_DPI / _get_screen_dpi())
@@ -103,7 +104,7 @@ TOOLBOX_TAB_VBORDER = int((zoom(36) - FONT_NORMAL_H - _FOCUS_LINE_WIDTH) / 2)
 TOOLBOX_TAB_HBORDER = zoom(15) - _FOCUS_LINE_WIDTH - _TAB_CURVATURE
 TOOLBOX_TAB_LABEL_WIDTH = zoom(150 - 15 * 2)
 
-COLOR_WHITE = Color('#000000')
+COLOR_BLACK = Color('#000000')
 COLOR_WHITE = Color('#FFFFFF')
 COLOR_PANEL_GREY = Color('#C0C0C0')
 COLOR_SELECTION_GREY = Color('#A6A6A6')