gtk:status-icon-set-from-gicon (icon gicon)

icon -- a gtk:status-icon object
gicon -- a g:icon object

Makes the status icon display the g:icon object. See the gtk:status-icon-new-from-gicon function for details. The gtk:status-icon-set-from-gicon function has been deprecated since version 3.14 and should not be used in newly written code.