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;;; sun-keys.el --- support for Sun function keys
;;; Support (cleanly) for Sun function keys. Provides help facilities,
;;; better diagnostics, etc.
;;;
;;; To use: make sure your .ttyswrc binds 'F1' to <ESC> * F1 <CR> and so on.
;;; load this lot from your start_up
;;;
;;;
;;; Copyright (C) 1986 Free Software Foundation, Inc.
;;;
;;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 1, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;;
;;; Batten@uk.ac.bham.multics (Ian G. Batten)
;;;
(defun sun-function-keys-dispatch (arg)
"Dispatcher for function keys."
(interactive "p")
(let* ((key-stroke (read t))
(command (assq key-stroke sun-function-keys-command-list)))
(cond (command (funcall (cdr command) arg))
(t (error "Unbound function key %s" key-stroke)))))
(defvar sun-function-keys-command-list
'((F1 . sun-function-keys-describe-bindings)
(R8 . previous-line) ; arrow keys
(R10 . backward-char)
(R12 . forward-char)
(R14 . next-line)))
(defun sun-function-keys-bind-key (arg1 arg2)
"Bind a specified key."
(interactive "xFunction Key Cap Label:
CCommand To Use:")
(setq sun-function-keys-command-list
(cons (cons arg1 arg2) sun-function-keys-command-list)))
(defun sun-function-keys-describe-bindings (arg)
"Describe the function key bindings we're running"
(interactive)
(with-output-to-temp-buffer "*Help*"
(sun-function-keys-write-bindings
(sort (copy-sequence sun-function-keys-command-list)
'(lambda (x y) (string-lessp (car x) (car y)))))))
(defun sun-function-keys-write-bindings (list)
(cond ((null list)
t)
(t
(princ (format "%s: %s\n"
(car (car list))
(cdr (car list))))
(sun-function-keys-write-bindings (cdr list)))))
(global-set-key "\e*" 'sun-function-keys-dispatch)
(make-variable-buffer-local 'sun-function-keys-command-list)
;;; sun-keys.el ends here
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