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Education Sampler 1992 [NeXTSTEP]
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sun-keys.el
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1990-07-19
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;;;
;;; 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 distributed in the hope that it will be useful,
;;; but without any warranty. No author or distributor
;;; accepts responsibility to anyone for the consequences of using it
;;; or for whether it serves any particular purpose or works at all,
;;; unless he says so in writing.
;;;
;;; Everyone is granted permission to copy, modify and redistribute
;;; GNU Emacs, but only under the conditions described in the
;;; document "GNU Emacs copying permission notice". An exact copy
;;; of the document is supposed to have been given to you along with
;;; GNU Emacs so that you can know how you may redistribute it all.
;;; It should be in a file named COPYING. Among other things, the
;;; copyright notice and this notice must be preserved on all copies.
;;;
;;; 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)