find_by_type      611 lib/widget/group.c     w->find_by_type = group_default_find_by_type;
find_by_type      333 lib/widget/widget-common.c     w->find_by_type = widget_default_find_by_type;
find_by_type      168 lib/widget/widget-common.h     Widget *(*find_by_type) (const Widget *w, widget_cb_fn cb);
find_by_type      350 lib/widget/widget-common.h     return w->find_by_type (w, cb);