diff options
Diffstat (limited to 'lisp/emacs-lisp/lucid.el')
| -rw-r--r-- | lisp/emacs-lisp/lucid.el | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/lucid.el b/lisp/emacs-lisp/lucid.el index 36600f540b6..6412b0bc8f4 100644 --- a/lisp/emacs-lisp/lucid.el +++ b/lisp/emacs-lisp/lucid.el @@ -44,3 +44,20 @@ (if (eq (nth 2 plist) prop) (setcdr (cdr plist) (nthcdr 4 plist))) (setq plist (cdr (cdr plist)))))) + +(defun map-keymap (function keymap) + "Call FUNCTION for every binding in KEYMAP. +This includes bindings inherited from a parent keymap. +FUNCTION receives two arguments each time it is called: +the character (more generally, the event type) that is bound, +and the binding it has." + (while (consp keymap) + (if (consp (car keymap)) + (funcall function (car (car keymap)) (cdr (car keymap))) + (if (vectorp (car keymap)) + (let ((i (length (car keymap))) + (vector (car keymap))) + (while (>= i 0) + (funcall function i (aref vector i)) + (setq i (1- i)))))) + (setq keymap (cdr keymap)))) |