annotate lisp/tty-init.el @ 756:00793f182d30

[xemacs-hg @ 2002-02-22 17:12:26 by michaels] 2002-02-11 Mike Sperber <mike@xemacs.org> * device-x.c: (x_IO_error_handler): (x_init_device): Temporarily keep device in static variable `device_being_initialized' so we can recover gracefully from internal XOpenDevice failure. (XOpenDevice is documented to return NULL on failure, but sometimes calls the IO error handler instead.)
author michaels
date Fri, 22 Feb 2002 17:12:27 +0000
parents 7039e6323819
children e34711681f30
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1 ;;; tty-init.el --- initialization code for tty's
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2
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3 ;; Copyright (C) 1994, 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1996 Ben Wing <ben@xemacs.org>.
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5
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6 ;; Maintainer: XEmacs Development Team
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7 ;; Keywords: terminals, dumped
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify
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12 ;; it under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful,
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17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 ;; GNU General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the
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23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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24 ;; Boston, MA 02111-1307, USA.
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25
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26 ;;; Synched up with: Not synched.
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27
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28 ;;; Commentary:
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29
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30 ;; This file is dumped with XEmacs (when TTY support is compiled in).
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31
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32 ;;; Code:
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33
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34 (defvar pre-tty-win-initted nil)
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35
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36 ;; called both from init-tty-win and from the C code.
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37 (defun init-pre-tty-win ()
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38 "Initialize TTY at startup (pre). Don't call this."
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39 (with-fboundp 'register-tty-color
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40 (unless pre-tty-win-initted
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41 (register-tty-color "black" "\e[30m" "\e[40m")
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42 (register-tty-color "red" "\e[31m" "\e[41m")
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43 (register-tty-color "green" "\e[32m" "\e[42m")
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44 (register-tty-color "yellow" "\e[33m" "\e[43m")
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45 (register-tty-color "blue" "\e[34m" "\e[44m")
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46 (register-tty-color "magenta" "\e[35m" "\e[45m")
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47 (register-tty-color "cyan" "\e[36m" "\e[46m")
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48 (register-tty-color "white" "\e[37m" "\e[47m")
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49
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50 ;; Define `highlighted' tty colors
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51 (register-tty-color "darkgrey" "\e[1;30m" "\e[1;40m")
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52 (register-tty-color "brightred" "\e[1;31m" "\e[1;41m")
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53 (register-tty-color "brightgreen" "\e[1;32m" "\e[1;42m")
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54 (register-tty-color "brightyellow" "\e[1;33m" "\e[1;43m")
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55 (register-tty-color "brightblue" "\e[1;34m" "\e[1;44m")
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56 (register-tty-color "brightmagenta" "\e[1;35m" "\e[1;45m")
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57 (register-tty-color "brightcyan" "\e[1;36m" "\e[1;46m")
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58 (register-tty-color "brightwhite" "\e[1;37m" "\e[1;47m")
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59
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60 (setq pre-tty-win-initted t))))
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61
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62 ;; called both from init-tty-win and from the C code.
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63 ;; we have to do this for every created TTY console.
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64 (defun init-post-tty-win (console)
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65 "Initialize TTY at console creation time (post). Don't call this."
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66 ;; load the appropriate term-type-specific Lisp file.
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67 ;; we don't do this at startup here so that the user can
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68 ;; override term-file-prefix. (startup.el does it after
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69 ;; loading the init file.)
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70 (if (featurep 'mule)
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71 (declare-fboundp (init-mule-tty-win)))
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72 (when init-file-loaded
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73 ;; temporarily select the console so that the changes
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74 ;; to function-key-map are made for the right console.
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75 (let ((foobar (selected-console)))
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76 (unwind-protect
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77 (progn
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78 (select-console console)
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79 (load-terminal-library))
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80 (select-console foobar)))))
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81
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82 (defvar tty-win-initted nil)
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83
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84 (defun init-tty-win ()
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85 "Initialize TTY at startup. Don't call this."
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86 (unless tty-win-initted
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87 (init-pre-tty-win)
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88 (make-tty-device nil nil)
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89 (init-post-tty-win (selected-console))
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90 (setq tty-win-initted t)))
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91
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92 (defun make-frame-on-tty (tty &optional props)
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93 "Create a frame on the TTY connection named TTY.
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94 TTY should be a TTY device name such as \"/dev/ttyp3\" (as returned by
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95 the `tty' command in that TTY), or nil for the standard input/output
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96 of the running XEmacs process.
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97
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98 PROPS should be a plist of properties, as in the call to `make-frame'.
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99
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100 This function opens a connection to the TTY or reuses an existing
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101 connection.
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102
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103 This function is a trivial wrapper around `make-frame-on-device'."
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104 (interactive "sMake frame on TTY: ")
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105 (if (equal tty "") (setq tty nil))
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106 (make-frame-on-device 'tty tty props))
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107
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108 ;;; tty-init.el ends here