[gjc] move popups up if out of screen

src/chat.py

@@ -385,8 +385,16 @@ class Chat:
 		x = window_x + button_x
 		y = window_y + button_y
 
+		menu_width, menu_height = menu.size_request()
+
+		## should we pop down or up?
+		if (y + button.allocation.height + menu_height
+		    < gtk.gdk.screen_height()):
 			# now move the menu below the button
 			y += button.allocation.height
+		else:
+			# now move the menu above the button
+			y -= menu_height
 
 		# push_in is True so all menu is always inside screen
 		push_in = True