--- segmented_bar.py    2012-11-01 15:53:04.455710299 +0000
+++ segmented_bar2.py   2012-11-01 16:23:27.017144225 +0000
@@ -9,10 +9,10 @@

 from cairo_extensions import CairoExtensions, CairoCorners, Color

-class SegmentedBar(gtk.Widget):
+class SegmentedBar(gtk.EventBox):
     __gtype_name__ = 'SegmentedBar'
     def __init__(self):
-        gtk.Widget.__init__(self)
+        gtk.EventBox.__init__(self)

         # State
         self.segments = []
@@ -22,7 +22,7 @@
         # Properties
         self.bar_height = 30
         # Vertical space between the bar and the label.
-        self.bar_label_spacing = 12
+        self.bar_label_spacing = 9
         # Horizontal space between the label and the next box.
         self.segment_label_spacing = 16
         self.segment_box_size = 12
@@ -36,6 +36,8 @@

         self.disk_size = 0

+   self.set_visible_window( False)
+
     def add_segment(self, title, size, color, show_in_bar=True):
         self.do_size_allocate(self.get_allocation())
         self.disk_size += size
@@ -54,8 +56,9 @@
         requisition.width = 200
         requisition.height = 0

-    def do_realize(self):
-        self.set_flags(self.flags() | gtk.REALIZED)
+    #def do_realize(self):
+   #return
+        '''self.set_flags(self.flags() | gtk.REALIZED)
         self.window = gtk.gdk.Window(
             self.get_parent_window(),
             width=self.allocation.width,
@@ -67,7 +70,7 @@
         self.window.set_user_data(self)
         self.style.attach(self.window)
         self.style.set_background(self.window, gtk.STATE_NORMAL)
-        self.window.move_resize(*self.allocation)
+        self.window.move_resize(*self.allocation)'''

     #def do_unrealize(self):
     #    # FIXME evand 2008-07-19: Is overloading this function really
@@ -186,14 +189,17 @@
     def render_labels(self, cr):
         if len(self.segments) == 0:
             return
-        text_color = CairoExtensions.gdk_color_to_cairo_color(self.get_style().fg[self.state])
+        #text_color = CairoExtensions.gdk_color_to_cairo_color(self.get_style().fg[self.state])
+   text_color = CairoExtensions.gdk_color_to_cairo_color (gtk.gdk.color_parse("white"))
         box_stroke_color = Color(0, 0, 0, 0.6)
         x = 0
         layout = None

         for segment in self.segments:
             cr.set_line_width(1)
-            cr.rectangle(x + 0.5, 2 + 0.5, self.segment_box_size - 1, self.segment_box_size - 1)
+            #cr.rectangle(x + 0.5, 2 + 0.5, self.segment_box_size - 1, self.segment_box_size - 1)
+            # Draw a rounded legend key
+            CairoExtensions.rounded_rectangle(cr, x + 0.5, 2 + 0.5, self.segment_box_size - 1, self.segment_box_size - 1, 3)
             grad = self.make_segment_gradient(self.segment_box_size, segment.color)
             cr.set_source(grad)
             cr.fill_preserve()
@@ -527,14 +533,15 @@
    win.set_size_request(400, 400)

    bar = SegmentedBar()
-
+   #bar.realize()
    from pretty_wrapper import PrettyWrapper
    bar.add_segment_rgb( "/dev/sda1", 2**64/4, "7CA4BF")
-   bar.add_segment_rgb( "/dev/sda2", 2**64/4, "7CA4BF")
+   bar.add_segment_rgb( "/dev/sda2", 2**64/4, "FFFFFF")

    box = PrettyWrapper()
    box.pack_start(bar)
    win.add(box)
+   box.set_border_width(30)
    win.set_border_width(30)

    win.show_all()