Variable: dframe-have-timer-flag
dframe-have-timer-flag is a variable defined in dframe.el.gz.
Value
nil
Documentation
Non-nil means that timers are available for this Emacs.
This is nil for terminals, since updating a frame in a terminal is not useful to the user.
Source Code
;; Defined in /usr/src/emacs/lisp/dframe.el.gz
(defvar dframe-have-timer-flag (if (fboundp 'display-graphic-p)
(display-graphic-p)
window-system)
"Non-nil means that timers are available for this Emacs.
This is nil for terminals, since updating a frame in a terminal
is not useful to the user.")