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848 lines
32 KiB
EmacsLisp
848 lines
32 KiB
EmacsLisp
;;; xterm.el --- define function key sequences and standard colors for xterm -*- lexical-binding: t -*-
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;; Copyright (C) 1995, 2001-2014 Free Software Foundation, Inc.
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;; Author: FSF
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;; Keywords: terminals
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(defgroup xterm nil
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"XTerm support."
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:version "24.1"
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:group 'terminals)
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(defcustom xterm-extra-capabilities 'check
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"Whether Xterm supports some additional, more modern, features.
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If nil, just assume that it does not.
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If `check', try to check if it does.
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If a list, assume that the listed features are supported, without checking.
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The relevant features are:
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modifyOtherKeys -- if supported, more key bindings work (e.g., \"\\C-,\")
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reportBackground -- if supported, Xterm reports its background color"
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:version "24.1"
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:group 'xterm
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:type '(choice (const :tag "No" nil)
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(const :tag "Check" check)
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;; NOTE: If you add entries here, make sure to update
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;; `terminal-init-xterm' as well.
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(set (const :tag "modifyOtherKeys support" modifyOtherKeys)
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(const :tag "report background" reportBackground))))
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(defconst xterm-paste-ending-sequence "\e[201~"
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"Characters send by the terminal to end a bracketed paste.")
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(defun xterm-paste ()
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"Handle the start of a terminal paste operation."
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(interactive)
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(let* ((end-marker-length (length xterm-paste-ending-sequence))
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(pasted-text (with-temp-buffer
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(set-buffer-multibyte nil)
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(while (not (search-backward
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xterm-paste-ending-sequence
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(- (point) end-marker-length) t))
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(let ((event (read-event
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nil nil
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;; Use finite timeout to avoid
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;; glomming the event onto
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;; this-command-keys.
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most-positive-fixnum)))
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(when (eql event ?\r)
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(setf event ?\n))
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(insert event)))
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(let ((last-coding-system-used))
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(decode-coding-region
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(point-min) (point)
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(keyboard-coding-system) t))))
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(interprogram-paste-function (lambda () pasted-text)))
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(yank)))
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(define-key global-map [xterm-paste] #'xterm-paste)
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(defvar xterm-function-map
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(let ((map (make-sparse-keymap)))
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;; xterm from X.org 6.8.2 uses these key definitions.
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(define-key map "\eOP" [f1])
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(define-key map "\eOQ" [f2])
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(define-key map "\eOR" [f3])
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(define-key map "\eOS" [f4])
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(define-key map "\e[15~" [f5])
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(define-key map "\e[17~" [f6])
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(define-key map "\e[18~" [f7])
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(define-key map "\e[19~" [f8])
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(define-key map "\e[20~" [f9])
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(define-key map "\e[21~" [f10])
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(define-key map "\e[23~" [f11])
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(define-key map "\e[24~" [f12])
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(define-key map "\eO2P" [S-f1])
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(define-key map "\eO2Q" [S-f2])
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(define-key map "\eO2R" [S-f3])
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(define-key map "\eO2S" [S-f4])
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(define-key map "\e[1;2P" [S-f1])
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(define-key map "\e[1;2Q" [S-f2])
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(define-key map "\e[1;2R" [S-f3])
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(define-key map "\e[1;2S" [S-f4])
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(define-key map "\e[15;2~" [S-f5])
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(define-key map "\e[17;2~" [S-f6])
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(define-key map "\e[18;2~" [S-f7])
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(define-key map "\e[19;2~" [S-f8])
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(define-key map "\e[20;2~" [S-f9])
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(define-key map "\e[21;2~" [S-f10])
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(define-key map "\e[23;2~" [S-f11])
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(define-key map "\e[24;2~" [S-f12])
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(define-key map "\eO5P" [C-f1])
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(define-key map "\eO5Q" [C-f2])
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(define-key map "\eO5R" [C-f3])
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(define-key map "\eO5S" [C-f4])
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(define-key map "\e[15;5~" [C-f5])
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(define-key map "\e[17;5~" [C-f6])
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(define-key map "\e[18;5~" [C-f7])
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(define-key map "\e[19;5~" [C-f8])
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(define-key map "\e[20;5~" [C-f9])
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(define-key map "\e[21;5~" [C-f10])
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(define-key map "\e[23;5~" [C-f11])
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(define-key map "\e[24;5~" [C-f12])
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(define-key map "\eO6P" [C-S-f1])
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(define-key map "\eO6Q" [C-S-f2])
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(define-key map "\eO6R" [C-S-f3])
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(define-key map "\eO6S" [C-S-f4])
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(define-key map "\e[15;6~" [C-S-f5])
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(define-key map "\e[17;6~" [C-S-f6])
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(define-key map "\e[18;6~" [C-S-f7])
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(define-key map "\e[19;6~" [C-S-f8])
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(define-key map "\e[20;6~" [C-S-f9])
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(define-key map "\e[21;6~" [C-S-f10])
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(define-key map "\e[23;6~" [C-S-f11])
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(define-key map "\e[24;6~" [C-S-f12])
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(define-key map "\eO3P" [M-f1])
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(define-key map "\eO3Q" [M-f2])
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(define-key map "\eO3R" [M-f3])
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(define-key map "\eO3S" [M-f4])
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(define-key map "\e[15;3~" [M-f5])
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(define-key map "\e[17;3~" [M-f6])
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(define-key map "\e[18;3~" [M-f7])
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(define-key map "\e[19;3~" [M-f8])
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(define-key map "\e[20;3~" [M-f9])
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(define-key map "\e[21;3~" [M-f10])
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(define-key map "\e[23;3~" [M-f11])
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(define-key map "\e[24;3~" [M-f12])
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(define-key map "\eO4P" [M-S-f1])
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(define-key map "\eO4Q" [M-S-f2])
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(define-key map "\eO4R" [M-S-f3])
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(define-key map "\eO4S" [M-S-f4])
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(define-key map "\e[15;4~" [M-S-f5])
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(define-key map "\e[17;4~" [M-S-f6])
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(define-key map "\e[18;4~" [M-S-f7])
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(define-key map "\e[19;4~" [M-S-f8])
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(define-key map "\e[20;4~" [M-S-f9])
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(define-key map "\e[21;4~" [M-S-f10])
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(define-key map "\e[23;4~" [M-S-f11])
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(define-key map "\e[24;4~" [M-S-f12])
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(define-key map "\eOA" [up])
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(define-key map "\eOB" [down])
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(define-key map "\eOC" [right])
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(define-key map "\eOD" [left])
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(define-key map "\eOF" [end])
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(define-key map "\eOH" [home])
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(define-key map "\e[1;2A" [S-up])
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(define-key map "\e[1;2B" [S-down])
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(define-key map "\e[1;2C" [S-right])
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(define-key map "\e[1;2D" [S-left])
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(define-key map "\e[1;2F" [S-end])
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(define-key map "\e[1;2H" [S-home])
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(define-key map "\e[1;4A" [M-S-up])
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(define-key map "\e[1;4B" [M-S-down])
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(define-key map "\e[1;4C" [M-S-right])
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(define-key map "\e[1;4D" [M-S-left])
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(define-key map "\e[1;4F" [M-S-end])
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(define-key map "\e[1;4H" [M-S-home])
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(define-key map "\e[1;5A" [C-up])
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(define-key map "\e[1;5B" [C-down])
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(define-key map "\e[1;5C" [C-right])
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(define-key map "\e[1;5D" [C-left])
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(define-key map "\e[1;5F" [C-end])
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(define-key map "\e[1;5H" [C-home])
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(define-key map "\e[1;6A" [C-S-up])
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(define-key map "\e[1;6B" [C-S-down])
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(define-key map "\e[1;6C" [C-S-right])
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(define-key map "\e[1;6D" [C-S-left])
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(define-key map "\e[1;6F" [C-S-end])
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(define-key map "\e[1;6H" [C-S-home])
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(define-key map "\e[1;7A" [C-M-up])
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(define-key map "\e[1;7B" [C-M-down])
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(define-key map "\e[1;7C" [C-M-right])
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(define-key map "\e[1;7D" [C-M-left])
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(define-key map "\e[1;7F" [C-M-end])
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(define-key map "\e[1;7H" [C-M-home])
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(define-key map "\e[1;8A" [C-M-S-up])
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(define-key map "\e[1;8B" [C-M-S-down])
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(define-key map "\e[1;8C" [C-M-S-right])
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(define-key map "\e[1;8D" [C-M-S-left])
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(define-key map "\e[1;8F" [C-M-S-end])
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(define-key map "\e[1;8H" [C-M-S-home])
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(define-key map "\e[1;3A" [M-up])
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(define-key map "\e[1;3B" [M-down])
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(define-key map "\e[1;3C" [M-right])
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(define-key map "\e[1;3D" [M-left])
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(define-key map "\e[1;3F" [M-end])
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(define-key map "\e[1;3H" [M-home])
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(define-key map "\e[2~" [insert])
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(define-key map "\e[3~" [delete])
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(define-key map "\e[5~" [prior])
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(define-key map "\e[6~" [next])
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(define-key map "\e[2;2~" [S-insert])
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(define-key map "\e[3;2~" [S-delete])
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(define-key map "\e[5;2~" [S-prior])
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(define-key map "\e[6;2~" [S-next])
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(define-key map "\e[2;4~" [M-S-insert])
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(define-key map "\e[3;4~" [M-S-delete])
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(define-key map "\e[5;4~" [M-S-prior])
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(define-key map "\e[6;4~" [M-S-next])
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(define-key map "\e[2;5~" [C-insert])
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(define-key map "\e[3;5~" [C-delete])
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(define-key map "\e[5;5~" [C-prior])
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(define-key map "\e[6;5~" [C-next])
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(define-key map "\e[2;6~" [C-S-insert])
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(define-key map "\e[3;6~" [C-S-delete])
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(define-key map "\e[5;6~" [C-S-prior])
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(define-key map "\e[6;6~" [C-S-next])
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(define-key map "\e[2;7~" [C-M-insert])
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(define-key map "\e[3;7~" [C-M-delete])
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(define-key map "\e[5;7~" [C-M-prior])
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(define-key map "\e[6;7~" [C-M-next])
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(define-key map "\e[2;8~" [C-M-S-insert])
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(define-key map "\e[3;8~" [C-M-S-delete])
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(define-key map "\e[5;8~" [C-M-S-prior])
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(define-key map "\e[6;8~" [C-M-S-next])
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(define-key map "\e[2;3~" [M-insert])
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(define-key map "\e[3;3~" [M-delete])
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(define-key map "\e[5;3~" [M-prior])
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(define-key map "\e[6;3~" [M-next])
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(define-key map "\e[4~" [select])
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(define-key map "\e[29~" [print])
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(define-key map "\eOj" [kp-multiply])
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(define-key map "\eOk" [kp-add])
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(define-key map "\eOl" [kp-separator])
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(define-key map "\eOm" [kp-subtract])
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(define-key map "\eOo" [kp-divide])
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(define-key map "\eOp" [kp-0])
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(define-key map "\eOq" [kp-1])
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(define-key map "\eOr" [kp-2])
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(define-key map "\eOs" [kp-3])
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(define-key map "\eOt" [kp-4])
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(define-key map "\eOu" [kp-5])
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(define-key map "\eOv" [kp-6])
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(define-key map "\eOw" [kp-7])
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(define-key map "\eOx" [kp-8])
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(define-key map "\eOy" [kp-9])
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(define-key map "\eO2j" [S-kp-multiply])
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(define-key map "\eO2k" [S-kp-add])
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(define-key map "\eO2l" [S-kp-separator])
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(define-key map "\eO2m" [S-kp-subtract])
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(define-key map "\eO2o" [S-kp-divide])
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(define-key map "\eO2p" [S-kp-0])
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(define-key map "\eO2q" [S-kp-1])
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(define-key map "\eO2r" [S-kp-2])
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(define-key map "\eO2s" [S-kp-3])
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(define-key map "\eO2t" [S-kp-4])
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(define-key map "\eO2u" [S-kp-5])
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(define-key map "\eO2v" [S-kp-6])
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(define-key map "\eO2w" [S-kp-7])
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(define-key map "\eO2x" [S-kp-8])
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(define-key map "\eO2y" [S-kp-9])
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(define-key map "\eO4j" [M-S-kp-multiply])
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(define-key map "\eO4k" [M-S-kp-add])
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(define-key map "\eO4l" [M-S-kp-separator])
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(define-key map "\eO4m" [M-S-kp-subtract])
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(define-key map "\eO4o" [M-S-kp-divide])
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(define-key map "\eO4p" [M-S-kp-0])
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(define-key map "\eO4q" [M-S-kp-1])
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(define-key map "\eO4r" [M-S-kp-2])
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(define-key map "\eO4s" [M-S-kp-3])
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(define-key map "\eO4t" [M-S-kp-4])
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(define-key map "\eO4u" [M-S-kp-5])
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(define-key map "\eO4v" [M-S-kp-6])
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(define-key map "\eO4w" [M-S-kp-7])
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(define-key map "\eO4x" [M-S-kp-8])
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(define-key map "\eO4y" [M-S-kp-9])
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(define-key map "\eO6j" [C-S-kp-multiply])
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(define-key map "\eO6k" [C-S-kp-add])
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(define-key map "\eO6l" [C-S-kp-separator])
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(define-key map "\eO6m" [C-S-kp-subtract])
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(define-key map "\eO6o" [C-S-kp-divide])
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(define-key map "\eO6p" [C-S-kp-0])
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(define-key map "\eO6q" [C-S-kp-1])
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(define-key map "\eO6r" [C-S-kp-2])
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(define-key map "\eO6s" [C-S-kp-3])
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(define-key map "\eO6t" [C-S-kp-4])
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(define-key map "\eO6u" [C-S-kp-5])
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(define-key map "\eO6v" [C-S-kp-6])
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(define-key map "\eO6w" [C-S-kp-7])
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(define-key map "\eO6x" [C-S-kp-8])
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(define-key map "\eO6y" [C-S-kp-9])
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(define-key map "\eO8j" [C-M-S-kp-multiply])
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(define-key map "\eO8k" [C-M-S-kp-add])
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(define-key map "\eO8l" [C-M-S-kp-separator])
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(define-key map "\eO8m" [C-M-S-kp-subtract])
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(define-key map "\eO8o" [C-M-S-kp-divide])
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(define-key map "\eO8p" [C-M-S-kp-0])
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(define-key map "\eO8q" [C-M-S-kp-1])
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(define-key map "\eO8r" [C-M-S-kp-2])
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(define-key map "\eO8s" [C-M-S-kp-3])
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(define-key map "\eO8t" [C-M-S-kp-4])
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(define-key map "\eO8u" [C-M-S-kp-5])
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(define-key map "\eO8v" [C-M-S-kp-6])
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(define-key map "\eO8w" [C-M-S-kp-7])
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(define-key map "\eO8x" [C-M-S-kp-8])
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(define-key map "\eO8y" [C-M-S-kp-9])
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;; These keys are available in xterm starting from version 216
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;; if the modifyOtherKeys resource is set to 1.
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(dolist (bind '((5 9 [C-tab])
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(5 13 [C-return])
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(5 39 [?\C-\'])
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(5 44 [?\C-,])
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(5 45 [?\C--])
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(5 46 [?\C-.])
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(5 47 [?\C-/])
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(5 48 [?\C-0])
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(5 49 [?\C-1])
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;; Not all C-DIGIT keys have a distinct binding.
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(5 57 [?\C-9])
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(5 59 [?\C-\;])
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(5 61 [?\C-=])
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(5 92 [?\C-\\])
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(6 33 [?\C-!])
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(6 34 [?\C-\"])
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(6 35 [?\C-#])
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(6 36 [?\C-$])
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(6 37 [?\C-%])
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(6 38 [?\C-&])
|
|
(6 40 [?\C-\(])
|
|
(6 41 [?\C-\)])
|
|
(6 42 [?\C-*])
|
|
(6 43 [?\C-+])
|
|
(6 58 [?\C-:])
|
|
(6 60 [?\C-<])
|
|
(6 62 [?\C->])
|
|
(6 63 [(control ??)])
|
|
|
|
;; These are the strings emitted for various C-M-
|
|
;; combinations for keyboards whose Meta and Alt
|
|
;; modifiers are on the same key (usually labeled "Alt").
|
|
(13 9 [C-M-tab])
|
|
(13 13 [C-M-return])
|
|
|
|
(13 39 [?\C-\M-\'])
|
|
(13 44 [?\C-\M-,])
|
|
(13 45 [?\C-\M--])
|
|
(13 46 [?\C-\M-.])
|
|
(13 47 [?\C-\M-/])
|
|
(13 48 [?\C-\M-0])
|
|
(13 49 [?\C-\M-1])
|
|
(13 50 [?\C-\M-2])
|
|
(13 51 [?\C-\M-3])
|
|
(13 52 [?\C-\M-4])
|
|
(13 53 [?\C-\M-5])
|
|
(13 54 [?\C-\M-6])
|
|
(13 55 [?\C-\M-7])
|
|
(13 56 [?\C-\M-8])
|
|
(13 57 [?\C-\M-9])
|
|
(13 59 [?\C-\M-\;])
|
|
(13 61 [?\C-\M-=])
|
|
(13 92 [?\C-\M-\\])
|
|
|
|
(14 33 [?\C-\M-!])
|
|
(14 34 [?\C-\M-\"])
|
|
(14 35 [?\C-\M-#])
|
|
(14 36 [?\C-\M-$])
|
|
(14 37 [?\C-\M-%])
|
|
(14 38 [?\C-\M-&])
|
|
(14 40 [?\C-\M-\(])
|
|
(14 41 [?\C-\M-\)])
|
|
(14 42 [?\C-\M-*])
|
|
(14 43 [?\C-\M-+])
|
|
(14 58 [?\C-\M-:])
|
|
(14 60 [?\C-\M-<])
|
|
(14 62 [?\C-\M->])
|
|
(14 63 [(control meta ??)])
|
|
|
|
(7 9 [C-M-tab])
|
|
(7 13 [C-M-return])
|
|
|
|
(7 32 [?\C-\M-\s])
|
|
(7 39 [?\C-\M-\'])
|
|
(7 44 [?\C-\M-,])
|
|
(7 45 [?\C-\M--])
|
|
(7 46 [?\C-\M-.])
|
|
(7 47 [?\C-\M-/])
|
|
(7 48 [?\C-\M-0])
|
|
(7 49 [?\C-\M-1])
|
|
(7 50 [?\C-\M-2])
|
|
(7 51 [?\C-\M-3])
|
|
(7 52 [?\C-\M-4])
|
|
(7 53 [?\C-\M-5])
|
|
(7 54 [?\C-\M-6])
|
|
(7 55 [?\C-\M-7])
|
|
(7 56 [?\C-\M-8])
|
|
(7 57 [?\C-\M-9])
|
|
(7 59 [?\C-\M-\;])
|
|
(7 61 [?\C-\M-=])
|
|
(7 92 [?\C-\M-\\])
|
|
|
|
(8 33 [?\C-\M-!])
|
|
(8 34 [?\C-\M-\"])
|
|
(8 35 [?\C-\M-#])
|
|
(8 36 [?\C-\M-$])
|
|
(8 37 [?\C-\M-%])
|
|
(8 38 [?\C-\M-&])
|
|
(8 40 [?\C-\M-\(])
|
|
(8 41 [?\C-\M-\)])
|
|
(8 42 [?\C-\M-*])
|
|
(8 43 [?\C-\M-+])
|
|
(8 58 [?\C-\M-:])
|
|
(8 60 [?\C-\M-<])
|
|
(8 62 [?\C-\M->])
|
|
(8 63 [(control meta ??)])
|
|
|
|
(2 9 [S-tab])
|
|
(2 13 [S-return])
|
|
|
|
(6 9 [C-S-tab])
|
|
(6 13 [C-S-return])))
|
|
(define-key map
|
|
(format "\e[27;%d;%d~" (nth 0 bind) (nth 1 bind)) (nth 2 bind))
|
|
;; For formatOtherKeys=1, the sequence is a bit shorter (bug#13839).
|
|
(define-key map
|
|
(format "\e[%d;%du" (nth 1 bind) (nth 0 bind)) (nth 2 bind)))
|
|
|
|
;; Other versions of xterm might emit these.
|
|
(define-key map "\e[A" [up])
|
|
(define-key map "\e[B" [down])
|
|
(define-key map "\e[C" [right])
|
|
(define-key map "\e[D" [left])
|
|
(define-key map "\e[1~" [home])
|
|
|
|
(define-key map "\eO2A" [S-up])
|
|
(define-key map "\eO2B" [S-down])
|
|
(define-key map "\eO2C" [S-right])
|
|
(define-key map "\eO2D" [S-left])
|
|
(define-key map "\eO2F" [S-end])
|
|
(define-key map "\eO2H" [S-home])
|
|
|
|
(define-key map "\eO5A" [C-up])
|
|
(define-key map "\eO5B" [C-down])
|
|
(define-key map "\eO5C" [C-right])
|
|
(define-key map "\eO5D" [C-left])
|
|
(define-key map "\eO5F" [C-end])
|
|
(define-key map "\eO5H" [C-home])
|
|
|
|
(define-key map "\e[11~" [f1])
|
|
(define-key map "\e[12~" [f2])
|
|
(define-key map "\e[13~" [f3])
|
|
(define-key map "\e[14~" [f4])
|
|
|
|
;; Recognize the start of a bracketed paste sequence. The handler
|
|
;; internally recognizes the end.
|
|
(define-key map "\e[200~" [xterm-paste])
|
|
|
|
map)
|
|
"Function key map overrides for xterm.")
|
|
|
|
(defvar xterm-alternatives-map
|
|
(let ((map (make-sparse-keymap)))
|
|
;; The terminal initialization C code file might have initialized
|
|
;; function keys F13->F60 from the termcap/terminfo information.
|
|
;; On a PC-style keyboard these keys correspond to
|
|
;; MODIFIER-FUNCTION_KEY, where modifier is S-, C, A-, C-S-. The code
|
|
;; here substitutes the corresponding definitions in function-key-map.
|
|
;; The mapping from escape sequences to Fn is done in input-decode-map
|
|
;; whereas this here mapping is done in local-function-key-map so that
|
|
;; bindings to f45 still work, in case your keyboard really has an f45
|
|
;; key rather than C-S-f9.
|
|
(define-key map [f13] [S-f1])
|
|
(define-key map [f14] [S-f2])
|
|
(define-key map [f15] [S-f3])
|
|
(define-key map [f16] [S-f4])
|
|
(define-key map [f17] [S-f5])
|
|
(define-key map [f18] [S-f6])
|
|
(define-key map [f19] [S-f7])
|
|
(define-key map [f20] [S-f8])
|
|
(define-key map [f21] [S-f9])
|
|
(define-key map [f22] [S-f10])
|
|
(define-key map [f23] [S-f11])
|
|
(define-key map [f24] [S-f12])
|
|
|
|
(define-key map [f25] [C-f1])
|
|
(define-key map [f26] [C-f2])
|
|
(define-key map [f27] [C-f3])
|
|
(define-key map [f28] [C-f4])
|
|
(define-key map [f29] [C-f5])
|
|
(define-key map [f30] [C-f6])
|
|
(define-key map [f31] [C-f7])
|
|
(define-key map [f32] [C-f8])
|
|
(define-key map [f33] [C-f9])
|
|
(define-key map [f34] [C-f10])
|
|
(define-key map [f35] [C-f11])
|
|
(define-key map [f36] [C-f12])
|
|
|
|
(define-key map [f37] [C-S-f1])
|
|
(define-key map [f38] [C-S-f2])
|
|
(define-key map [f39] [C-S-f3])
|
|
(define-key map [f40] [C-S-f4])
|
|
(define-key map [f41] [C-S-f5])
|
|
(define-key map [f42] [C-S-f6])
|
|
(define-key map [f43] [C-S-f7])
|
|
(define-key map [f44] [C-S-f8])
|
|
(define-key map [f45] [C-S-f9])
|
|
(define-key map [f46] [C-S-f10])
|
|
(define-key map [f47] [C-S-f11])
|
|
(define-key map [f48] [C-S-f12])
|
|
|
|
(define-key map [f49] [M-f1])
|
|
(define-key map [f50] [M-f2])
|
|
(define-key map [f51] [M-f3])
|
|
(define-key map [f52] [M-f4])
|
|
(define-key map [f53] [M-f5])
|
|
(define-key map [f54] [M-f6])
|
|
(define-key map [f55] [M-f7])
|
|
(define-key map [f56] [M-f8])
|
|
(define-key map [f57] [M-f9])
|
|
(define-key map [f58] [M-f10])
|
|
(define-key map [f59] [M-f11])
|
|
(define-key map [f60] [M-f12])
|
|
|
|
map)
|
|
"Keymap of possible alternative meanings for some keys.")
|
|
|
|
(defun xterm--report-background-handler ()
|
|
(let ((str "")
|
|
chr)
|
|
;; The reply should be: \e ] 11 ; rgb: NUMBER1 / NUMBER2 / NUMBER3 \e \\
|
|
(while (and (setq chr (read-event nil nil 2)) (not (equal chr ?\\)))
|
|
(setq str (concat str (string chr))))
|
|
(when (string-match
|
|
"rgb:\\([a-f0-9]+\\)/\\([a-f0-9]+\\)/\\([a-f0-9]+\\)" str)
|
|
(let ((recompute-faces
|
|
(xterm-maybe-set-dark-background-mode
|
|
(string-to-number (match-string 1 str) 16)
|
|
(string-to-number (match-string 2 str) 16)
|
|
(string-to-number (match-string 3 str) 16))))
|
|
|
|
;; Recompute faces here in case the background mode was
|
|
;; set to dark. We used to call
|
|
;; `tty-set-up-initial-frame-faces' only once, but that
|
|
;; caused the light background faces to be computed
|
|
;; incorrectly. See:
|
|
;; http://permalink.gmane.org/gmane.emacs.devel/119627
|
|
(when recompute-faces
|
|
(tty-set-up-initial-frame-faces))))))
|
|
|
|
(defun xterm--version-handler ()
|
|
(let ((str "")
|
|
chr)
|
|
;; The reply should be: \e [ > NUMBER1 ; NUMBER2 ; NUMBER3 c
|
|
;; If the timeout is completely removed for read-event, this
|
|
;; might hang for terminals that pretend to be xterm, but don't
|
|
;; respond to this escape sequence. RMS' opinion was to remove
|
|
;; it completely. That might be right, but let's first try to
|
|
;; see if by using a longer timeout we get rid of most issues.
|
|
(while (and (setq chr (read-event nil nil 2)) (not (equal chr ?c)))
|
|
(setq str (concat str (string chr))))
|
|
;; Since xterm-280, the terminal type (NUMBER1) is now 41 instead of 0.
|
|
(when (string-match "\\([0-9]+\\);\\([0-9]+\\);0" str)
|
|
(let ((version (string-to-number (match-string 2 str))))
|
|
(when (and (> version 2000) (equal (match-string 1 str) "1"))
|
|
;; Hack attack! bug#16988: gnome-terminal reports "1;NNNN;0"
|
|
;; with a large NNNN but is based on a rather old xterm code.
|
|
;; Gnome terminal 3.6.1 reports 1;3406;0
|
|
;; Gnome terminal 2.32.1 reports 1;2802;0
|
|
(setq version 200))
|
|
(when (equal (match-string 1 str) "83")
|
|
;; OSX's Terminal.app (version 2.3 (309), which returns 83;40003;0)
|
|
;; seems to also lack support for some of these (bug#17607).
|
|
(setq version 240))
|
|
;; If version is 242 or higher, assume the xterm supports
|
|
;; reporting the background color (TODO: maybe earlier
|
|
;; versions do too...)
|
|
(when (>= version 242)
|
|
(xterm--query "\e]11;?\e\\"
|
|
'(("\e]11;" . xterm--report-background-handler))))
|
|
|
|
;; If version is 216 (the version when modifyOtherKeys was
|
|
;; introduced) or higher, initialize the
|
|
;; modifyOtherKeys support.
|
|
(when (>= version 216)
|
|
(terminal-init-xterm-modify-other-keys))))))
|
|
|
|
(defun xterm--query (query handlers)
|
|
"Send QUERY string to the terminal and watch for a response.
|
|
HANDLERS is an alist with elements of the form (STRING . FUNCTION).
|
|
We run the first FUNCTION whose STRING matches the input events."
|
|
;; We used to query synchronously, but the need to use `discard-input' is
|
|
;; rather annoying (bug#6758). Maybe we could always use the asynchronous
|
|
;; approach, but it's less tested.
|
|
;; FIXME: Merge the two branches.
|
|
(if (input-pending-p)
|
|
(progn
|
|
(dolist (handler handlers)
|
|
(define-key input-decode-map (car handler)
|
|
(lambda (&optional _prompt)
|
|
;; Unregister the handler, since we don't expect further answers.
|
|
(dolist (handler handlers)
|
|
(define-key input-decode-map (car handler) nil))
|
|
(funcall (cdr handler))
|
|
[])))
|
|
(send-string-to-terminal query))
|
|
;; Pending input can be mistakenly returned by the calls to
|
|
;; read-event below. Discard it.
|
|
(send-string-to-terminal query)
|
|
(while handlers
|
|
(let ((handler (pop handlers))
|
|
(i 0))
|
|
(while (and (< i (length (car handler)))
|
|
(let ((evt (read-event nil nil 2)))
|
|
(or (eq evt (aref (car handler) i))
|
|
(progn (if evt (push evt unread-command-events))
|
|
nil))))
|
|
(setq i (1+ i)))
|
|
(if (= i (length (car handler)))
|
|
(progn (setq handlers nil)
|
|
(funcall (cdr handler)))
|
|
(while (> i 0)
|
|
(push (aref (car handler) (setq i (1- i)))
|
|
unread-command-events)))))))
|
|
|
|
(defun terminal-init-xterm ()
|
|
"Terminal initialization function for xterm."
|
|
;; rxvt terminals sometimes set the TERM variable to "xterm", but
|
|
;; rxvt's keybindings are incompatible with xterm's. It is
|
|
;; better in that case to use rxvt's initialization function.
|
|
(if (and (getenv "COLORTERM" (selected-frame))
|
|
(string-match "\\`rxvt" (getenv "COLORTERM" (selected-frame))))
|
|
(tty-run-terminal-initialization (selected-frame) "rxvt")
|
|
|
|
(let ((map (copy-keymap xterm-alternatives-map)))
|
|
(set-keymap-parent map (keymap-parent local-function-key-map))
|
|
(set-keymap-parent local-function-key-map map))
|
|
|
|
(let ((map (copy-keymap xterm-function-map)))
|
|
|
|
;; Use inheritance to let the main keymap override those defaults.
|
|
;; This way we don't override terminfo-derived settings or settings
|
|
;; made in the init file.
|
|
(set-keymap-parent map (keymap-parent input-decode-map))
|
|
(set-keymap-parent input-decode-map map)))
|
|
|
|
(xterm-register-default-colors)
|
|
(tty-set-up-initial-frame-faces)
|
|
|
|
(if (eq xterm-extra-capabilities 'check)
|
|
;; Try to find out the type of terminal by sending a "Secondary
|
|
;; Device Attributes (DA)" query.
|
|
(xterm--query "\e[>0c"
|
|
;; Some terminals (like OS X's Terminal.app) respond to
|
|
;; this query as if it were a "Primary Device Attributes"
|
|
;; query instead, so we should handle that too.
|
|
'(("\e[?" . xterm--version-handler)
|
|
("\e[>" . xterm--version-handler)))
|
|
|
|
(when (memq 'reportBackground xterm-extra-capabilities)
|
|
(xterm--query "\e]11;?\e\\"
|
|
'(("\e]11;" . xterm--report-background-handler))))
|
|
|
|
(when (memq 'modifyOtherKeys xterm-extra-capabilities)
|
|
(terminal-init-xterm-modify-other-keys)))
|
|
|
|
;; Unconditionally enable bracketed paste mode: terminals that don't
|
|
;; support it just ignore the sequence.
|
|
(terminal-init-xterm-bracketed-paste-mode)
|
|
|
|
(run-hooks 'terminal-init-xterm-hook))
|
|
|
|
(defun terminal-init-xterm-modify-other-keys ()
|
|
"Terminal initialization for xterm's modifyOtherKeys support."
|
|
(send-string-to-terminal "\e[>4;1m")
|
|
(push "\e[>4m" (terminal-parameter nil 'tty-mode-reset-strings))
|
|
(push "\e[>4;1m" (terminal-parameter nil 'tty-mode-set-strings)))
|
|
|
|
(defun terminal-init-xterm-bracketed-paste-mode ()
|
|
"Terminal initialization for bracketed paste mode."
|
|
(send-string-to-terminal "\e[?2004h")
|
|
(push "\e[?2004l" (terminal-parameter nil 'tty-mode-reset-strings))
|
|
(push "\e[?2004h" (terminal-parameter nil 'tty-mode-set-strings)))
|
|
|
|
;; Set up colors, for those versions of xterm that support it.
|
|
(defvar xterm-standard-colors
|
|
;; The names in the comments taken from XTerm-col.ad in the xterm
|
|
;; distribution, see ftp://dickey.his.com/xterm/. RGB values are
|
|
;; from rgb.txt.
|
|
'(("black" 0 ( 0 0 0)) ; black
|
|
("red" 1 (205 0 0)) ; red3
|
|
("green" 2 ( 0 205 0)) ; green3
|
|
("yellow" 3 (205 205 0)) ; yellow3
|
|
("blue" 4 ( 0 0 238)) ; blue2
|
|
("magenta" 5 (205 0 205)) ; magenta3
|
|
("cyan" 6 ( 0 205 205)) ; cyan3
|
|
("white" 7 (229 229 229)) ; gray90
|
|
("brightblack" 8 (127 127 127)) ; gray50
|
|
("brightred" 9 (255 0 0)) ; red
|
|
("brightgreen" 10 ( 0 255 0)) ; green
|
|
("brightyellow" 11 (255 255 0)) ; yellow
|
|
("brightblue" 12 (92 92 255)) ; rgb:5c/5c/ff
|
|
("brightmagenta" 13 (255 0 255)) ; magenta
|
|
("brightcyan" 14 ( 0 255 255)) ; cyan
|
|
("brightwhite" 15 (255 255 255))) ; white
|
|
"Names of 16 standard xterm/aixterm colors, their numbers, and RGB values.")
|
|
|
|
(defun xterm-rgb-convert-to-16bit (prim)
|
|
"Convert an 8-bit primary color value PRIM to a corresponding 16-bit value."
|
|
(logior prim (lsh prim 8)))
|
|
|
|
(defun xterm-register-default-colors ()
|
|
"Register the default set of colors for xterm or compatible emulator.
|
|
|
|
This function registers the number of colors returned by `display-color-cells'
|
|
for the currently selected frame. The first 16 colors are taken from
|
|
`xterm-standard-colors', which see, while the rest are computed assuming
|
|
either the 88- or 256-color standard color scheme supported by latest
|
|
versions of xterm."
|
|
(let* ((ncolors (display-color-cells (selected-frame)))
|
|
(colors xterm-standard-colors)
|
|
(color (car colors)))
|
|
(if (> ncolors 0)
|
|
;; Clear the 8 default tty colors registered by startup.el
|
|
(tty-color-clear))
|
|
;; Only register as many colors as are supported by the display.
|
|
(while (and (> ncolors 0) colors)
|
|
(tty-color-define (car color) (cadr color)
|
|
(mapcar 'xterm-rgb-convert-to-16bit
|
|
(car (cddr color))))
|
|
(setq colors (cdr colors)
|
|
color (car colors)
|
|
ncolors (1- ncolors)))
|
|
;; We've exhausted the colors from `xterm-standard-colors'. If there
|
|
;; are more colors to support, compute them now.
|
|
(when (> ncolors 0)
|
|
(cond
|
|
((= ncolors 240) ; 256-color xterm
|
|
;; 216 non-gray colors first
|
|
(let ((r 0) (g 0) (b 0))
|
|
(while (> ncolors 24)
|
|
;; This and other formulas taken from 256colres.pl and
|
|
;; 88colres.pl in the xterm distribution.
|
|
(tty-color-define (format "color-%d" (- 256 ncolors))
|
|
(- 256 ncolors)
|
|
(mapcar 'xterm-rgb-convert-to-16bit
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|
(list (if (zerop r) 0 (+ (* r 40) 55))
|
|
(if (zerop g) 0 (+ (* g 40) 55))
|
|
(if (zerop b) 0 (+ (* b 40) 55)))))
|
|
|
|
(setq b (1+ b))
|
|
(if (> b 5)
|
|
(setq g (1+ g)
|
|
b 0))
|
|
(if (> g 5)
|
|
(setq r (1+ r)
|
|
g 0))
|
|
(setq ncolors (1- ncolors))))
|
|
;; Now the 24 gray colors
|
|
(while (> ncolors 0)
|
|
(setq color (xterm-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10))))
|
|
(tty-color-define (format "color-%d" (- 256 ncolors))
|
|
(- 256 ncolors)
|
|
(list color color color))
|
|
(setq ncolors (1- ncolors))))
|
|
((= ncolors 72) ; 88-color xterm
|
|
;; 64 non-gray colors
|
|
(let ((levels '(0 139 205 255))
|
|
(r 0) (g 0) (b 0))
|
|
(while (> ncolors 8)
|
|
(tty-color-define (format "color-%d" (- 88 ncolors))
|
|
(- 88 ncolors)
|
|
(mapcar 'xterm-rgb-convert-to-16bit
|
|
(list (nth r levels)
|
|
(nth g levels)
|
|
(nth b levels))))
|
|
(setq b (1+ b))
|
|
(if (> b 3)
|
|
(setq g (1+ g)
|
|
b 0))
|
|
(if (> g 3)
|
|
(setq r (1+ r)
|
|
g 0))
|
|
(setq ncolors (1- ncolors))))
|
|
;; Now the 8 gray colors
|
|
(while (> ncolors 0)
|
|
(setq color (xterm-rgb-convert-to-16bit
|
|
(floor
|
|
(if (= ncolors 8)
|
|
46.36363636
|
|
(+ (* (- 8 ncolors) 23.18181818) 69.54545454)))))
|
|
(tty-color-define (format "color-%d" (- 88 ncolors))
|
|
(- 88 ncolors)
|
|
(list color color color))
|
|
(setq ncolors (1- ncolors))))
|
|
(t (error "Unsupported number of xterm colors (%d)" (+ 16 ncolors)))))
|
|
;; Modifying color mappings means realized faces don't use the
|
|
;; right colors, so clear them.
|
|
(clear-face-cache)))
|
|
|
|
(defun xterm-maybe-set-dark-background-mode (redc greenc bluec)
|
|
;; Use the heuristic in `frame-set-background-mode' to decide if a
|
|
;; frame is dark.
|
|
(when (< (+ redc greenc bluec) (* .6 (+ 65535 65535 65535)))
|
|
(set-terminal-parameter nil 'background-mode 'dark)
|
|
t))
|
|
|
|
(provide 'xterm)
|
|
|
|
;;; xterm.el ends here
|