Replace "expose-event" signal by a new "draw" signal

GtkWidget "expose-event" signal has been replaced by
a new "draw" signal [1]. The context is already
clipped [2], so do not base it on the values returned by
get_allocation like before.

[1] http://developer.gnome.org/gtk3/3.0/ch25s02.html#id1467092
[2] http://developer.gnome.org/gtk3/3.0/GtkWidget.html#GtkWidget-draw

1 files changed, 9 insertions, 8 deletions

diff --git a/src/sugar3/graphics/alert.py b/src/sugar3/graphics/alert.py
index a7d57f1..c30c243 100644
--- a/src/sugar3/graphics/alert.py
+++ b/src/sugar3/graphics/alert.py
@@ -351,10 +351,9 @@ class _TimeoutIcon(Gtk.Alignment):
         self._text.set_attributes(attrlist)
         self.add(self._text)
         self._text.show()
-        self.connect("expose_event", self.__expose_cb)
+        self.connect('draw', self.__draw_cb)
 
-    def __expose_cb(self, widget, event):
-        context = widget.get_window().cairo_create()
+    def __draw_cb(self, widget, context):
         self._draw(context)
         return False
 
@@ -367,13 +366,15 @@ class _TimeoutIcon(Gtk.Alignment):
         return height, height
 
     def _draw(self, context):
-        rect = self.get_allocation()
-        x = rect.x + rect.width * 0.5
-        y = rect.y + rect.height * 0.5
-        radius = rect.width / 2
+        w = self.get_allocated_width()
+        h = self.get_allocated_height()
+        x = 0 + w * 0.5
+        y = 0 + h * 0.5
+        radius = w / 2
         context.arc(x, y, radius, 0, 2 * math.pi)
         widget_style = self.get_style()
-        context.set_source_color(widget_style.bg[self.get_state()])
+        color = widget_style.bg[self.get_state()]
+        context.set_source_rgb(color.red, color.green, color.blue)
         context.fill_preserve()
 
     def set_text(self, text):