From 57e5bc085f462e566d458773b3e0b3aacb6d733f Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Sat, 09 Jul 2011 15:44:42 +0000
Subject: Removed some redundancy between CanvasIcon and Icon; temp. workaround to EventBox transparency issue

---
diff --git a/src/sugar/graphics/icon.py b/src/sugar/graphics/icon.py
index e8bf09c..2758b58 100644
--- a/src/sugar/graphics/icon.py
+++ b/src/sugar/graphics/icon.py
@@ -29,6 +29,7 @@ import gobject
 import gtk
 import cairo
 
+from sugar.graphics import style
 from sugar.graphics.xocolor import XoColor
 from sugar.util import LRU
 
@@ -100,8 +101,6 @@ class _IconBuffer(object):
         self.cache = False
         self.scale = 1.0
 
-    # hippo.cairo_surface_from_gdk_pixbuf(pixbuf) -> pixbuf.cairo_create()
-
     def _get_cache_key(self, sensitive):
         if self.background_color is None:
             color = None
@@ -429,15 +428,6 @@ class Icon(gtk.Image):
             y = math.floor(allocation.y + ypad +
                            (allocation.height - requisition[1]) * yalign)
 
-        '''
-        if allocation.x != -1:
-            logging.debug('DO_EXPOSE_EVENT (%d %d) (%d %d) (%d %d) (%f %f) (%d, %d)',
-                          allocation.x, allocation.y,
-                          allocation.width, allocation.height,
-                          requisition[0], requisition[1],
-                          xalign, yalign, x, y)
-        '''
-
         if self.window is not None:
             cr = self.window.cairo_create()
             cr.set_source_surface(surface, x, y)
@@ -555,6 +545,10 @@ class CanvasIcon(gtk.EventBox):
 
         gtk.EventBox.__init__(self)
 
+        # FIXME: This seems to set the bgcolor to White, not transparent
+        self.modify_bg(gtk.STATE_NORMAL,
+                       style.COLOR_TRANSPARENT.get_gdk_color())
+
         vbox = gtk.VBox()
         self.add(vbox)
         vbox.show()
@@ -563,6 +557,7 @@ class CanvasIcon(gtk.EventBox):
         self._palette_invoker = CanvasInvoker()
 
         # Add an Icon to the EventBox
+        # Kludge: CanvasIcon uses slightly different props names than Icon
         if 'file_name' in kwargs:
             if 'size' in kwargs:
                 logging.debug('name %s size %d', kwargs['file_name'],
@@ -591,8 +586,6 @@ class CanvasIcon(gtk.EventBox):
 
         self.connect('destroy', self.__destroy_cb)
 
-    # _buffer belongs to _icon
-
     def _emit_paint_needed_icon_area(self):
         surface = self._icon._buffer.get_surface()
         if surface:
@@ -638,9 +631,7 @@ class CanvasIcon(gtk.EventBox):
         \"\"\"
 
         """
-        if self._icon._buffer.file_name != value:
-            self._icon._buffer.file_name = value
-            self.emit_paint_needed(0, 0, -1, -1)
+        self._icon.set_file(value)
 
     def get_file_name(self):
         """
@@ -653,7 +644,7 @@ class CanvasIcon(gtk.EventBox):
         file name :
 
         """
-        return self._icon._buffer.file_name
+        return self._icon.get_file()
 
     file_name = gobject.property(
         type=object, getter=get_file_name, setter=set_file_name)
@@ -700,9 +691,7 @@ class CanvasIcon(gtk.EventBox):
         None
 
         """
-        if self._icon._buffer.xo_color != value:
-            self._icon._buffer.xo_color = value
-            self._emit_paint_needed_icon_area()
+        self._icon.set_xo_color(value)
 
     xo_color = gobject.property(
         type=object, getter=None, setter=set_xo_color)
@@ -718,9 +707,12 @@ class CanvasIcon(gtk.EventBox):
         None
 
         """
+        '''
         if self._icon._buffer.fill_color != value:
             self._icon._buffer.fill_color = value
             self._emit_paint_needed_icon_area()
+        '''
+        self._icon.set_fill_color(value)
 
     def get_fill_color(self):
         """
@@ -733,7 +725,7 @@ class CanvasIcon(gtk.EventBox):
         fill color :
 
         """
-        return self._icon._buffer.fill_color
+        return self._icon.get_fill_color()
 
     fill_color = gobject.property(
         type=object, getter=get_fill_color, setter=set_fill_color)
@@ -749,9 +741,7 @@ class CanvasIcon(gtk.EventBox):
         None
 
         """
-        if self._icon._buffer.stroke_color != value:
-            self._icon._buffer.stroke_color = value
-            self._emit_paint_needed_icon_area()
+        self._icon.set_stroke_color(value)
 
     def get_stroke_color(self):
         """
@@ -764,7 +754,7 @@ class CanvasIcon(gtk.EventBox):
         stroke color :
 
         """
-        return self._icon._buffer.stroke_color
+        return self._icon.get_stroke_color()
 
     stroke_color = gobject.property(
         type=object, getter=get_stroke_color, setter=set_stroke_color)
@@ -811,11 +801,7 @@ class CanvasIcon(gtk.EventBox):
         None
 
         """
-        if self._icon._buffer.width != value:
-            self._icon._buffer.width = value
-            self._icon._buffer.height = value
-            self._icon.do_size_request([value, value])
-            self.emit_request_changed()
+        self._icon.do_size_request([value, value])
 
     def get_size(self):
         """
@@ -937,9 +923,7 @@ class CanvasIcon(gtk.EventBox):
         None
 
         """
-        if self._icon._buffer.badge_name != value:
-            self._icon._buffer.badge_name = value
-            self.emit_paint_needed(0, 0, -1, -1)
+        self._icon.set_badge_name(value)
 
     def get_badge_name(self):
         """
@@ -952,7 +936,7 @@ class CanvasIcon(gtk.EventBox):
         badge name :
 
         """
-        return self._icon._buffer.badge_name
+        return self._icon.get_badge_name()
 
     badge_name = gobject.property(
         type=object, getter=get_badge_name, setter=set_badge_name)
--
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