This is really useful when trying to animate GTypes that haven't
registered any progress function. Instead of silently not working it
will warn the developer.
http://bugzilla.openedhand.com/show_bug.cgi?id=1845
break;
}
+ /* We're trying to animate a property without knowing how to do that. Issue
+ * a warning with a hint to what could be done to fix that */
+ if (G_UNLIKELY (retval == FALSE))
+ g_warning ("%s: Could not compute progress between two %ss. You can "
+ "register a progress function to instruct ClutterInterval "
+ "how to deal with this GType",
+ G_STRLOC,
+ g_type_name (value_type));
+
return retval;
}