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89 lines
2.7 KiB
EmacsLisp
89 lines
2.7 KiB
EmacsLisp
;;; Terminal support for the Televideo 970.
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;;; Jim Blandy <jimb@occs.cs.oberlin.edu>, January 1992
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;;; Define the escape codes sent by the function keys.
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(or (lookup-key function-key-map "\e[")
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(define-key function-key-map "\e[" (make-keymap)))
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(or (lookup-key function-key-map "\eO")
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(define-key function-key-map "\eO" (make-keymap)))
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;; Miscellaneous keys
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(mapcar (function (lambda (key-binding)
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(define-key function-key-map
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(car key-binding) (nth 1 key-binding))))
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'(("\e[H" [home])
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("\e[Z" [backtab])
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("\e[i" [print])
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("\e[2J" [clear])
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("\e[@" [insert])
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("\e[P" [delete])
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("\e[L" [insertline])
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("\e[M" [deleteline])
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("\e[K" [eraseline])
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("\e[J" [erasepage])
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("\e[U" [page])
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("\e[g" [S-tab])
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("\e[2N" [clearentry])
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("\e[2K" [S-clearentry])
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("\e[E" [?\C-j])
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("\e[g" [S-backtab])
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("\e[?1i" [S-print])
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("\e[4h" [S-insert])
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("\e[4l" [S-delete])
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("\e[Q" [S-insertline])
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("\e[1Q" [S-deleteline])
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("\e[19l" [S-eraseline])
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("\e[19h" [S-erasepage])
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("\e[V" [S-page])
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("\eS" [send])
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("\e5" [S-send])
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("\eOm" [kp-subtract])
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("\eOl" [kp-separator])
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("\eOn" [kp-decimal])
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("\eOM" [enter])
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("\eOP" [kp-f1])
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("\eOQ" [kp-f2])
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("\eOR" [kp-f3])
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("\eOS" [kp-f4])))
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;; The numeric keypad keys.
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(let ((i 0))
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(while (< i 10)
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(define-key function-key-map
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(format "\eO%c" (+ i ?p))
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(vector (intern (format "kp-%d" i))))
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(setq i (1+ i))))
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;; The numbered function keys.
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(let ((i 0))
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(while (< i 16)
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(define-key function-key-map
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(format "\e?%c" (+ i ?a))
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(vector (intern (format "f%d" (1+ i)))))
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(define-key function-key-map
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(format "\e?%c" (+ i ?A))
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(vector (intern (format "S-f%d" (1+ i)))))
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(setq i (1+ i))))
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;;; Should keypad numbers send ordinary digits or distinct escape sequences?
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(defvar tvi970-keypad-numeric nil
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"The terminal should be in numeric keypad mode iff this variable is non-nil.
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Do not set this variable! Call the function ``tvi970-set-keypad-mode''.")
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(defun tvi970-set-keypad-mode (&optional arg)
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"Set the current mode of the TVI 970 numeric keypad.
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In ``numeric keypad mode'', the number keys on the keypad act as
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ordinary digits. In ``alternate keypad mode'', the keys send distinct
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escape sequences, meaning that they can have their own bindings,
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independent of the normal number keys.
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With no argument, toggle between the two possible modes.
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With a positive argument, select alternate keypad mode.
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With a negative argument, select numeric keypad mode."
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(interactive "P")
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(setq tvi970-keypad-numeric
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(if (null arg)
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(not tvi970-keypad-numeric)
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(> (prefix-numeric-value arg) 0)))
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(send-string-to-terminal (if tvi970-keypad-numeric "\e=" "\e>")))
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(tvi970-set-keypad-mode 1)
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