Function: widget-default-value-set

widget-default-value-set is a byte-compiled function defined in wid-edit.el.gz.

Signature

(widget-default-value-set WIDGET VALUE)

Documentation

Recreate widget with new value.

Source Code

;; Defined in /usr/src/emacs/lisp/wid-edit.el.gz
(defun widget-default-value-set (widget value)
  "Recreate widget with new value."
  (let* ((old-pos (point))
	 (from (copy-marker (widget-get widget :from)))
	 (to (copy-marker (widget-get widget :to)))
	 (offset (if (and (<= from old-pos) (<= old-pos to))
		     (if (>= old-pos (1- to))
			 (- old-pos to 1)
		       (- old-pos from)))))
    ;;??? Bug: this ought to insert the new value before deleting the old one,
    ;; so that markers on either side of the value automatically
    ;; stay on the same side.  -- rms.
    (save-excursion
      (goto-char (widget-get widget :from))
      (widget-apply widget :delete)
      (widget-put widget :value value)
      (widget-apply widget :create))
    (if offset
	(goto-char (if (< offset 0)
                       (+ (widget-get widget :to) offset 1)
                     (min (+ from offset) (1- (widget-get widget :to))))))))