| 1 | ;;; sun-keys.el --- support for Sun function keys |
| 2 | |
| 3 | ;;; Copyright (C) 1986 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Ian G. Batten <batten@uk.ac.bham.multics> |
| 6 | ;; Keywords: terminals |
| 7 | |
| 8 | ;;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 11 | ;; it under the terms of the GNU General Public License as published by |
| 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 13 | ;; any later version. |
| 14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;; GNU General Public License for more details. |
| 19 | |
| 20 | ;; You should have received a copy of the GNU General Public License |
| 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to |
| 22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | |
| 24 | ;;; Commentary: |
| 25 | |
| 26 | ;;; Support (cleanly) for Sun function keys. Provides help facilities, |
| 27 | ;;; better diagnostics, etc. |
| 28 | ;;; |
| 29 | ;;; To use: make sure your .ttyswrc binds 'F1' to <ESC> * F1 <CR> and so on. |
| 30 | ;;; load this lot from your start_up |
| 31 | |
| 32 | ;;; Code: |
| 33 | |
| 34 | (defun sun-function-keys-dispatch (arg) |
| 35 | "Dispatcher for function keys." |
| 36 | (interactive "p") |
| 37 | (let* ((key-stroke (read t)) |
| 38 | (command (assq key-stroke sun-function-keys-command-list))) |
| 39 | (cond (command (funcall (cdr command) arg)) |
| 40 | (t (error "Unbound function key %s" key-stroke))))) |
| 41 | |
| 42 | (defvar sun-function-keys-command-list |
| 43 | '((F1 . sun-function-keys-describe-bindings) |
| 44 | (R8 . previous-line) ; arrow keys |
| 45 | (R10 . backward-char) |
| 46 | (R12 . forward-char) |
| 47 | (R14 . next-line))) |
| 48 | |
| 49 | (defun sun-function-keys-bind-key (arg1 arg2) |
| 50 | "Bind a specified key." |
| 51 | (interactive "xFunction Key Cap Label: |
| 52 | CCommand To Use:") |
| 53 | (setq sun-function-keys-command-list |
| 54 | (cons (cons arg1 arg2) sun-function-keys-command-list))) |
| 55 | |
| 56 | (defun sun-function-keys-describe-bindings (arg) |
| 57 | "Describe the function key bindings we're running" |
| 58 | (interactive) |
| 59 | (with-output-to-temp-buffer "*Help*" |
| 60 | (sun-function-keys-write-bindings |
| 61 | (sort (copy-sequence sun-function-keys-command-list) |
| 62 | '(lambda (x y) (string-lessp (car x) (car y))))))) |
| 63 | |
| 64 | (defun sun-function-keys-write-bindings (list) |
| 65 | (cond ((null list) |
| 66 | t) |
| 67 | (t |
| 68 | (princ (format "%s: %s\n" |
| 69 | (car (car list)) |
| 70 | (cdr (car list)))) |
| 71 | (sun-function-keys-write-bindings (cdr list))))) |
| 72 | |
| 73 | (global-set-key "\e*" 'sun-function-keys-dispatch) |
| 74 | |
| 75 | (make-variable-buffer-local 'sun-function-keys-command-list) |
| 76 | |
| 77 | ;;; sun-keys.el ends here |