Although the gnocl::box is pretty well a fully developed module doing all sorts of magical things with the Gtk+ Hbox, VBox and Frame widgets, there are still one of two less obvious features that are still awaiting implementation. One of these I came across last night was to replace the default frame label widget with one our own creation. The implication here is that the app developer can take advantage of pango markup in the creation of the frame label. It means too, that all of the various functionality of the gnocl::label is available too. Naturally, some options more useful than others under these circumstances but it could lead to some interesting results!
Here’s a snapshot: