— Function: apptree::init WIDGET POPT

Put the apptree infrastructure (the several widgets) on WIDGET, with POPT packing options.

— Function: apptree::fini

Destroy the apptree infrastructure, freeing all memory, and unpacking the several widgets.

— Function: apptree::visible BOOLEAN

Show/Hide the apptree widget, depending of the value of BOOLEAN.

— Function: apptree::toggle_visible

Toggle the visibility of the apptree widget.