at last a way to always scroll to end. thanks muntyan from #gtk+ :)

src/chat.py

@@ -697,7 +697,7 @@ class Chat:
 			#we are at the end or we are sending something
 			end = True
 			# We scroll to the end after the scrollbar has appeared
-			gobject.timeout_add(50, self.scroll_to_end, textview)
+			gobject.idle_add(self.scroll_to_end, textview)
 		if ((jid != self.get_active_jid()) or \
 		   (not self.window.is_active()) or \
 		   (not end)) and kind == 'incoming':