Variable: semantic-idle-breadcrumbs-display-function
semantic-idle-breadcrumbs-display-function is a customizable variable
defined in idle.el.gz.
Value
semantic-idle-breadcrumbs--display-in-header-line
Documentation
Function to display the tag under point in idle time.
This function should take a list of Semantic tags as its only
argument. The tags are sorted according to their nesting order,
starting with the outermost tag. The function should call
semantic-idle-breadcrumbs-format-tag-list-function to convert
the tag list into a string.
Source Code
;; Defined in /usr/src/emacs/lisp/cedet/semantic/idle.el.gz
;;; Breadcrumbs for tag under point
;;
;; Service that displays a breadcrumbs indication of the tag under
;; point and its parents in the header or mode line.
;;
(defcustom semantic-idle-breadcrumbs-display-function
#'semantic-idle-breadcrumbs--display-in-header-line
"Function to display the tag under point in idle time.
This function should take a list of Semantic tags as its only
argument. The tags are sorted according to their nesting order,
starting with the outermost tag. The function should call
`semantic-idle-breadcrumbs-format-tag-list-function' to convert
the tag list into a string."
:group 'semantic
:type '(choice
(const :tag "Display in header line"
semantic-idle-breadcrumbs--display-in-header-line)
(const :tag "Display in mode line"
semantic-idle-breadcrumbs--display-in-mode-line)
(function :tag "Other function")))