Re: jit-lock timer etc.

[Chong Yidong <cyd@stupidchicken.com>]

storm@cua.dk (Kim F. Storm) writes:

>> Shall I fix current-idle-time to return a float or nil?

A more correct course of action is to leave current-idle-time the way
it is, and extend timer-set-idle-time to accept the internal time
format, analogously to timer-set-time.  Then we can submit the value
of current-idle-time directly to timer-set-idle-time.

*** emacs/lisp/emacs-lisp/timer.el.~1.12.~	2006-08-20 09:55:37.000000000 -0400
--- emacs/lisp/emacs-lisp/timer.el	2006-08-24 10:45:48.000000000 -0400
***************
*** 60,73 ****
  
  (defun timer-set-idle-time (timer secs &optional repeat)
    "Set the trigger idle time of TIMER to SECS.
  If optional third argument REPEAT is non-nil, make the timer
  fire each time Emacs is idle for that many seconds."
    (or (timerp timer)
        (error "Invalid timer"))
!   (aset timer 1 0)
!   (aset timer 2 0)
!   (aset timer 3 0)
!   (timer-inc-time timer secs)
    (aset timer 4 repeat)
    timer)
  
--- 60,81 ----
  
  (defun timer-set-idle-time (timer secs &optional repeat)
    "Set the trigger idle time of TIMER to SECS.
+ SECS may be an integer, floating point number, or the internal
+ time format (HIGH LOW USECS) returned by, e.g., `current-time'.
  If optional third argument REPEAT is non-nil, make the timer
  fire each time Emacs is idle for that many seconds."
    (or (timerp timer)
        (error "Invalid timer"))
!   (if (consp secs)
!       (progn (aset timer 1 (car secs))
! 	     (aset timer 2 (if (consp (cdr time)) (car (cdr time)) (cdr time)))
! 	     (aset timer 3 (or (and (consp (cdr time)) (consp (cdr (cdr time)))
! 				    (nth 2 time))
! 			       0)))
!     (aset timer 1 0)
!     (aset timer 2 0)
!     (aset timer 3 0)
!     (timer-inc-time timer secs))
    (aset timer 4 repeat)
    timer)
  
***************
*** 104,110 ****
  
  (defun timer-relative-time (time secs &optional usecs)
    "Advance TIME by SECS seconds and optionally USECS microseconds.
! SECS may be a fraction."
    (let ((high (car time))
  	(low (if (consp (cdr time)) (nth 1 time) (cdr time)))
  	(micro (if (numberp (car-safe (cdr-safe (cdr time))))
--- 112,118 ----
  
  (defun timer-relative-time (time secs &optional usecs)
    "Advance TIME by SECS seconds and optionally USECS microseconds.
! SECS may be either an integer or a floating point number."
    (let ((high (car time))
  	(low (if (consp (cdr time)) (nth 1 time) (cdr time)))
  	(micro (if (numberp (car-safe (cdr-safe (cdr time))))