lisp/emulation/viper-keym.el

   1 ;;; viper-keym.el --- main Viper keymaps
   2
   3 ;; Copyright (C) 1994, 1995 Free Software Foundation, Inc.
   4
   5 ;; This file is part of GNU Emacs.
   6
   7 ;; GNU Emacs is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation; either version 2, or (at your option)
  10 ;; any later version.
  11
  12 ;; GNU Emacs is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  19 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21
  22 (require 'viper-util)
  23
  24 ;;; Variables
  25
  26 ;;; Keymaps
  27
  28 ;; Keymaps for vital things like \e and C-z.
  29 ;; Not for users
  30 (defvar vip-vi-intercept-map (make-sparse-keymap))
  31 (defvar vip-insert-intercept-map (make-sparse-keymap))
  32 (defvar vip-emacs-intercept-map (make-sparse-keymap))
  33
  34 ;; keymap used to zap all keymaps other than function-key-map,
  35 ;; devide-function-key-map, etc.
  36 (defvar vip-overriding-map (make-sparse-keymap))
  37
  38 (vip-deflocalvar vip-vi-local-user-map (make-sparse-keymap)
  39   "Keymap for user-defined local bindings.
  40 Useful for changing bindings such as ZZ in certain major modes.
  41 For instance, in letter-mode, one may want to bind ZZ to
  42 mh-send-letter. In a newsreader such as gnus, tin, or rn, ZZ could be bound
  43 to save-buffers-kill-emacs then post article, etc.")
  44 (put 'vip-vi-local-user-map 'permanent-local t)
  45
  46 (defvar vip-vi-global-user-map (make-sparse-keymap)
  47   "Keymap for user-defined global bindings.
  48 These bindings are seen in all Viper buffers.")
  49
  50 (defvar vip-vi-basic-map (make-keymap)
  51   "This is the main keymap in effect in Viper's Vi state.
  52 This map is global, shared by all buffers.")
  53
  54 (defvar  vip-vi-kbd-map (make-sparse-keymap)
  55   "This keymap keeps keyboard macros defined via the :map command.")
  56
  57 (defvar vip-vi-diehard-map (make-sparse-keymap)
  58   "This keymap is in use when the user asks Viper to simulate Vi very closely.
  59 This happens when vip-expert-level is 1 or 2. See vip-set-expert-level.")
  60
  61
  62 (vip-deflocalvar vip-insert-local-user-map (make-sparse-keymap)
  63   "Auxiliary map for per-buffer user-defined keybindings in Insert state.")
  64 (put 'vip-insert-local-user-map 'permanent-local t)
  65
  66 (defvar vip-insert-global-user-map (make-sparse-keymap)
  67   "Auxiliary map for global user-defined bindings in Insert state.")
  68
  69 (defvar vip-insert-basic-map (make-sparse-keymap)
  70   "The basic insert-mode keymap.")
  71
  72 (defvar vip-insert-diehard-map (make-keymap)
  73   "Map used when user wants vi-style keys in insert mode.
  74 Most of the Emacs keys are suppressed. This map overshadows
  75 vip-insert-basic-map. Not recommended, except for novice users.")
  76
  77 (defvar  vip-insert-kbd-map  (make-sparse-keymap)
  78   "This keymap keeps VI-style kbd macros for insert mode.")
  79
  80 (defvar vip-replace-map (make-sparse-keymap)
  81   "Map used in Viper's replace state.")
  82
  83 (defvar vip-emacs-global-user-map (make-sparse-keymap)
  84   "Auxiliary map for global user-defined bindings in Emacs state.")
  85
  86 (defvar  vip-emacs-kbd-map  (make-sparse-keymap)
  87   "This keymap keeps Vi-style kbd macros for emacs mode.")
  88
  89 (vip-deflocalvar vip-emacs-local-user-map  (make-sparse-keymap)
  90   "Auxiliary map for local user-defined bindings in Emacs state.")
  91 (put 'vip-emacs-local-user-map 'permanent-local t)
  92
  93 ;; This keymap should stay empty
  94 (defvar vip-empty-keymap (make-sparse-keymap))
  95
  96 ;; This was the main Vi mode in old versions of VIP which may have been
  97 ;; extensively used by VIP users. We declare it as a global var
  98 ;; and, after .vip is loaded, we add this keymap to vip-vi-basic-map.
  99 (defvar vip-mode-map (make-sparse-keymap))
 100
 101
 102 ;;; Variables used by minor modes
 103
 104 ;; Association list of the form
 105 ;; ((major-mode . keymap) (major-mode . keymap) ...)
 106 ;; Viper uses these keymaps to make user-requested adjustments
 107 ;; to its Vi state in various major modes.")
 108 (defvar vip-vi-state-modifier-alist nil)
 109
 110 ;; Association list of the form
 111 ;; ((major-mode . keymap) (major-mode . keymap) ...)
 112 ;; Viper uses these keymaps to make user-requested adjustments
 113 ;; to its Insert state in various major modes.")
 114 (defvar vip-insert-state-modifier-alist nil)
 115
 116 ;; Association list of the form
 117 ;; ((major-mode . keymap) (major-mode . keymap) ...)
 118 ;; Viper uses these keymaps to make user-requested adjustments
 119 ;; to its Emacs state in various major modes.
 120 (defvar vip-emacs-state-modifier-alist nil)
 121
 122 ;; Tells vip-add-local-keys to create a new vip-vi-local-user-map for new
 123 ;; buffers. Not a user option.
 124 (vip-deflocalvar vip-need-new-vi-local-map t "")
 125 (put 'vip-need-new-vi-local-map  'permanent-local t)
 126
 127 ;; Tells vip-add-local-keys to create a new vip-insert-local-user-map for new
 128 ;; buffers. Not a user option.
 129 (vip-deflocalvar vip-need-new-insert-local-map t "")
 130 (put 'vip-need-new-insert-local-map  'permanent-local t)
 131
 132 ;; Tells vip-add-local-keys to create a new vip-emacs-local-user-map for new
 133 ;; buffers. Not a user option.
 134 (vip-deflocalvar vip-need-new-emacs-local-map t "")
 135 (put 'vip-need-new-emacs-local-map  'permanent-local t)
 136
 137
 138 \f
 139 ;; Insert mode keymap
 140
 141 ;; for novice users, pretend you are the real vi.
 142 (define-key vip-insert-diehard-map "\t"   'vip-insert-tab)
 143 (define-key vip-insert-diehard-map "\C-a" 'self-insert-command)
 144 (define-key vip-insert-diehard-map "\C-b" 'self-insert-command)
 145 (define-key vip-insert-diehard-map "\C-c" 'vip-change-state-to-vi)
 146 (define-key vip-insert-diehard-map "\C-e" 'self-insert-command)
 147 (define-key vip-insert-diehard-map "\C-f" 'self-insert-command)
 148 (define-key vip-insert-diehard-map "\C-g" 'self-insert-command)
 149 (define-key vip-insert-diehard-map "\C-i" 'self-insert-command)
 150 (define-key vip-insert-diehard-map "\C-k" 'self-insert-command)
 151 (define-key vip-insert-diehard-map "\C-l" 'self-insert-command)
 152 (define-key vip-insert-diehard-map "\C-n" 'self-insert-command)
 153 (define-key vip-insert-diehard-map "\C-o" 'self-insert-command)
 154 (define-key vip-insert-diehard-map "\C-p" 'self-insert-command)
 155 (define-key vip-insert-diehard-map "\C-q" 'self-insert-command)
 156 (define-key vip-insert-diehard-map "\C-r" 'self-insert-command)
 157 (define-key vip-insert-diehard-map "\C-s" 'self-insert-command)
 158 (define-key vip-insert-diehard-map "\C-u" 'vip-erase-line)
 159 (define-key vip-insert-diehard-map "\C-x" 'self-insert-command)
 160 (define-key vip-insert-diehard-map "\C-y" 'self-insert-command)
 161 (define-key vip-insert-diehard-map "\C-z" 'self-insert-command)
 162 (define-key vip-insert-diehard-map "\C-]" 'self-insert-command)
 163 (define-key vip-insert-diehard-map "\C-_" 'self-insert-command)
 164
 165 (let ((i ?\ ))
 166   (while (<= i ?~)
 167     (define-key vip-insert-diehard-map (make-string 1 i) 'self-insert-command)
 168     (setq i (1+ i))))
 169
 170 ;; Insert mode map when user wants emacs style
 171 (define-key vip-insert-basic-map "\C-d" 'vip-backward-indent)
 172 (define-key vip-insert-basic-map "\C-w" 'vip-delete-backward-word)
 173 (define-key vip-insert-basic-map "\C-t" 'vip-forward-indent)
 174 (define-key vip-insert-basic-map
 175   (if vip-xemacs-p [(shift tab)] [S-tab]) 'vip-insert-tab)
 176 (define-key vip-insert-basic-map "\C-v" 'quoted-insert)
 177 (define-key vip-insert-basic-map "\C-?" 'vip-del-backward-char-in-insert)
 178 (define-key vip-insert-basic-map "\C-c\M-p"
 179   'vip-insert-prev-from-insertion-ring)
 180 (define-key vip-insert-basic-map "\C-c\M-n"
 181   'vip-insert-next-from-insertion-ring)
 182
 183
 184 ;; Replace keymap
 185 (define-key vip-replace-map "\C-t" 'vip-forward-indent)
 186 (define-key vip-replace-map "\C-j" 'vip-replace-state-exit-cmd)
 187 (define-key vip-replace-map "\C-m" 'vip-replace-state-exit-cmd)
 188 (define-key vip-replace-map "\C-?" 'vip-del-backward-char-in-replace)
 189
 190
 191 \f
 192 ;; Vi keymaps
 193
 194 (define-key vip-vi-basic-map "\C-^"
 195   (function (lambda () (interactive) (vip-ex "e#"))))
 196 (define-key vip-vi-basic-map "\C-b" 'vip-scroll-back)
 197 (define-key vip-vi-basic-map "\C-d" 'vip-scroll-up)
 198 (define-key vip-vi-basic-map "\C-e" 'vip-scroll-up-one)
 199 (define-key vip-vi-basic-map "\C-f" 'vip-scroll)
 200 (define-key vip-vi-basic-map "\C-m" 'vip-next-line-at-bol)
 201 (define-key vip-vi-basic-map "\C-u" 'vip-scroll-down)
 202 (define-key vip-vi-basic-map "\C-y" 'vip-scroll-down-one)
 203 (define-key vip-vi-basic-map "\C-s" 'vip-isearch-forward)
 204 (define-key vip-vi-basic-map "\C-r" 'vip-isearch-backward)
 205 ;(define-key vip-vi-basic-map "\C-\\" 'universal-argument)
 206 (define-key vip-vi-basic-map "\C-c/" 'vip-toggle-search-style)
 207 (define-key vip-vi-basic-map "\C-cg" 'vip-info-on-file)
 208
 209 (define-key vip-vi-basic-map "\C-c\M-p" 'vip-prev-destructive-command)
 210 (define-key vip-vi-basic-map "\C-c\M-n" 'vip-next-destructive-command)
 211
 212
 213 (define-key vip-vi-basic-map " " 'vip-forward-char)
 214 (define-key vip-vi-basic-map "!" 'vip-command-argument)
 215 (define-key vip-vi-basic-map "\"" 'vip-command-argument)
 216 (define-key vip-vi-basic-map "#" 'vip-command-argument)
 217 (define-key vip-vi-basic-map "$" 'vip-goto-eol)
 218 (define-key vip-vi-basic-map "%" 'vip-paren-match)
 219 (define-key vip-vi-basic-map "&"
 220   (function (lambda () (interactive) (vip-ex "&"))))
 221 (define-key vip-vi-basic-map "'" 'vip-goto-mark-and-skip-white)
 222 (define-key vip-vi-basic-map "(" 'vip-backward-sentence)
 223 (define-key vip-vi-basic-map ")" 'vip-forward-sentence)
 224 (define-key vip-vi-basic-map "*" 'call-last-kbd-macro)
 225 (define-key vip-vi-basic-map "+" 'vip-next-line-at-bol)
 226 (define-key vip-vi-basic-map "," 'vip-repeat-find-opposite)
 227 (define-key vip-vi-basic-map "-" 'vip-previous-line-at-bol)
 228 (define-key vip-vi-basic-map "." 'vip-repeat)
 229 (define-key vip-vi-basic-map "/" 'vip-search-forward)
 230
 231 (define-key vip-vi-basic-map "0" 'vip-beginning-of-line)
 232 (define-key vip-vi-basic-map "1" 'vip-digit-argument)
 233 (define-key vip-vi-basic-map "2" 'vip-digit-argument)
 234 (define-key vip-vi-basic-map "3" 'vip-digit-argument)
 235 (define-key vip-vi-basic-map "4" 'vip-digit-argument)
 236 (define-key vip-vi-basic-map "5" 'vip-digit-argument)
 237 (define-key vip-vi-basic-map "6" 'vip-digit-argument)
 238 (define-key vip-vi-basic-map "7" 'vip-digit-argument)
 239 (define-key vip-vi-basic-map "8" 'vip-digit-argument)
 240 (define-key vip-vi-basic-map "9" 'vip-digit-argument)
 241
 242 (define-key vip-vi-basic-map ":" 'vip-ex)
 243 (define-key vip-vi-basic-map ";" 'vip-repeat-find)
 244 (define-key vip-vi-basic-map "<" 'vip-command-argument)
 245 (define-key vip-vi-basic-map "=" 'vip-command-argument)
 246 (define-key vip-vi-basic-map ">" 'vip-command-argument)
 247 (define-key vip-vi-basic-map "?" 'vip-search-backward)
 248 (define-key vip-vi-basic-map "@" 'vip-register-macro)
 249
 250 (define-key vip-vi-basic-map "A" 'vip-Append)
 251 (define-key vip-vi-basic-map "B" 'vip-backward-Word)
 252 (define-key vip-vi-basic-map "C" 'vip-change-to-eol)
 253 (define-key vip-vi-basic-map "D" 'vip-kill-line)
 254 (define-key vip-vi-basic-map "E" 'vip-end-of-Word)
 255 (define-key vip-vi-basic-map "F" 'vip-find-char-backward)
 256 (define-key vip-vi-basic-map "G" 'vip-goto-line)
 257 (define-key vip-vi-basic-map "H" 'vip-window-top)
 258 (define-key vip-vi-basic-map "I" 'vip-Insert)
 259 (define-key vip-vi-basic-map "J" 'vip-join-lines)
 260 (define-key vip-vi-basic-map "K" 'vip-nil)
 261 (define-key vip-vi-basic-map "L" 'vip-window-bottom)
 262 (define-key vip-vi-basic-map "M" 'vip-window-middle)
 263 (define-key vip-vi-basic-map "N" 'vip-search-Next)
 264 (define-key vip-vi-basic-map "O" 'vip-Open-line)
 265 (define-key vip-vi-basic-map "P" 'vip-Put-back)
 266 (define-key vip-vi-basic-map "Q" 'vip-query-replace)
 267 (define-key vip-vi-basic-map "R" 'vip-overwrite)
 268 (define-key vip-vi-basic-map "S" 'vip-substitute-line)
 269 (define-key vip-vi-basic-map "T" 'vip-goto-char-backward)
 270 (define-key vip-vi-basic-map "U" 'vip-undo)
 271 (define-key vip-vi-basic-map "V" 'find-file-other-window)
 272 (define-key vip-vi-basic-map "W" 'vip-forward-Word)
 273 (define-key vip-vi-basic-map "X" 'vip-delete-backward-char)
 274 (define-key vip-vi-basic-map "Y" 'vip-yank-line)
 275 (define-key vip-vi-basic-map "ZZ" 'vip-save-kill-buffer)
 276
 277 (define-key vip-vi-basic-map "\\" 'vip-escape-to-emacs)
 278 (define-key vip-vi-basic-map "[" 'vip-brac-function)
 279 (define-key vip-vi-basic-map "]" 'vip-ket-function)
 280 (define-key vip-vi-basic-map "_" 'vip-alternate-ESC)
 281 (define-key vip-vi-basic-map "^" 'vip-bol-and-skip-white)
 282 (define-key vip-vi-basic-map "`" 'vip-goto-mark)
 283
 284 (define-key vip-vi-basic-map "a" 'vip-append)
 285 (define-key vip-vi-basic-map "b" 'vip-backward-word)
 286 (define-key vip-vi-basic-map "c" 'vip-command-argument)
 287 (define-key vip-vi-basic-map "d" 'vip-command-argument)
 288 (define-key vip-vi-basic-map "e" 'vip-end-of-word)
 289 (define-key vip-vi-basic-map "f" 'vip-find-char-forward)
 290 (define-key vip-vi-basic-map "g" 'vip-nil)
 291 (define-key vip-vi-basic-map "h" 'vip-backward-char)
 292 (define-key vip-vi-basic-map "i" 'vip-insert)
 293 (define-key vip-vi-basic-map "j" 'vip-next-line)
 294 (define-key vip-vi-basic-map "k" 'vip-previous-line)
 295 (define-key vip-vi-basic-map "l" 'vip-forward-char)
 296 (define-key vip-vi-basic-map "m" 'vip-mark-point)
 297 (define-key vip-vi-basic-map "n" 'vip-search-next)
 298 (define-key vip-vi-basic-map "o" 'vip-open-line)
 299 (define-key vip-vi-basic-map "p" 'vip-put-back)
 300 (define-key vip-vi-basic-map "q" 'vip-nil)
 301 (define-key vip-vi-basic-map "r" 'vip-replace-char)
 302 (define-key vip-vi-basic-map "s" 'vip-substitute)
 303 (define-key vip-vi-basic-map "t" 'vip-goto-char-forward)
 304 (define-key vip-vi-basic-map "u" 'vip-undo)
 305 (define-key vip-vi-basic-map "v" 'find-file)
 306 (define-key vip-vi-basic-map "\C-v" 'find-file-other-frame)
 307 (define-key vip-vi-basic-map "w" 'vip-forward-word)
 308 (define-key vip-vi-basic-map "x" 'vip-delete-char)
 309 (define-key vip-vi-basic-map "y" 'vip-command-argument)
 310 (define-key vip-vi-basic-map "zH" 'vip-line-to-top)
 311 (define-key vip-vi-basic-map "zM" 'vip-line-to-middle)
 312 (define-key vip-vi-basic-map "zL" 'vip-line-to-bottom)
 313 (define-key vip-vi-basic-map "z\C-m" 'vip-line-to-top)
 314 (define-key vip-vi-basic-map "z." 'vip-line-to-middle)
 315 (define-key vip-vi-basic-map "z-" 'vip-line-to-bottom)
 316
 317 (define-key vip-vi-basic-map "{" 'vip-backward-paragraph)
 318 (define-key vip-vi-basic-map "|" 'vip-goto-col)
 319 (define-key vip-vi-basic-map "}" 'vip-forward-paragraph)
 320 (define-key vip-vi-basic-map "~" 'vip-toggle-case)
 321 (define-key vip-vi-basic-map "\C-?" 'vip-backward-char)
 322
 323 ;;; Escape from Emacs to Vi for one command
 324 (global-set-key "\M-\C-z" 'vip-escape-to-vi)  ;; in emacs-state
 325
 326 ;;; This is vip-vi-diehard-map. Used when vip-vi-diehard-minor-mode is on.
 327
 328 (define-key vip-vi-diehard-map "\C-a" 'vip-nil)
 329 (define-key vip-vi-diehard-map "\C-c" 'vip-nil)
 330 (define-key vip-vi-diehard-map "\C-g" 'vip-info-on-file)
 331 (define-key vip-vi-diehard-map "\C-i" 'vip-nil)
 332 (define-key vip-vi-diehard-map "\C-k" 'vip-nil)
 333 (define-key vip-vi-diehard-map "\C-l" 'redraw-display)
 334 (define-key vip-vi-diehard-map "\C-n" 'vip-next-line)
 335 (define-key vip-vi-diehard-map "\C-o" 'vip-nil)
 336 (define-key vip-vi-diehard-map "\C-p" 'vip-previous-line)
 337 (define-key vip-vi-diehard-map "\C-q" 'vip-nil)
 338 (define-key vip-vi-diehard-map "\C-r" 'redraw-display)
 339 (define-key vip-vi-diehard-map "\C-s" 'vip-nil)
 340 (define-key vip-vi-diehard-map "\C-t" 'vip-nil)
 341 (define-key vip-vi-diehard-map "\C-v" 'vip-nil)
 342 (define-key vip-vi-diehard-map "\C-w" 'vip-nil)
 343 (define-key vip-vi-diehard-map "@" 'vip-nil)
 344 (define-key vip-vi-diehard-map "*" 'vip-nil)
 345 (define-key vip-vi-diehard-map "#" 'vip-nil)
 346 (define-key vip-vi-diehard-map "\C-_" 'vip-nil)
 347 (define-key vip-vi-diehard-map "\C-]" 'vip-nil);; This is actually tags.
 348
 349 \f
 350 ;;; Minibuffer keymap
 351
 352
 353 (defvar vip-minibuffer-map (make-sparse-keymap)
 354   "Keymap used to modify keys when Minibuffer is in Insert state.")
 355
 356 (define-key vip-minibuffer-map "\C-m" 'vip-exit-minibuffer)
 357 (define-key vip-minibuffer-map "\C-j" 'vip-exit-minibuffer)
 358
 359 ;; Map used to read Ex-style commands.
 360 (defvar vip-ex-cmd-map (make-sparse-keymap))
 361 (define-key vip-ex-cmd-map " "  'ex-cmd-read-exit)
 362 (define-key vip-ex-cmd-map "\t" 'ex-cmd-complete)
 363
 364 ;; Keymap for reading file names in Ex-style commands.
 365 (defvar ex-read-filename-map (make-sparse-keymap))
 366 (define-key ex-read-filename-map " " 'vip-complete-filename-or-exit)
 367
 368
 369
 370 \f
 371 ;;; Code
 372
 373 (defun vip-add-local-keys (state alist)
 374   "Override some vi-state or insert-state bindings in the current buffer.
 375 The effect is seen in the current buffer only.
 376 Useful for customizing  mailer buffers, gnus, etc.
 377 STATE is 'vi-state, 'insert-state, or 'emacs-state
 378 ALIST is of the form ((key . func) (key . func) ...)
 379 Normally, this would be called from a hook to a major mode or
 380 on a per buffer basis.
 381 Usage:
 382       (vip-add-local-keys state '((key-str . func) (key-str . func)...))   "
 383
 384   (let (map)
 385     (cond ((eq state 'vi-state)
 386            (if vip-need-new-vi-local-map
 387                (setq vip-vi-local-user-map (make-sparse-keymap)))
 388            (setq vip-need-new-vi-local-map nil
 389                  map vip-vi-local-user-map))
 390           ((eq state 'insert-state)
 391            (if vip-need-new-insert-local-map
 392                (setq vip-insert-local-user-map (make-sparse-keymap)))
 393            (setq vip-need-new-insert-local-map nil
 394                  map vip-insert-local-user-map))
 395           ((eq state 'emacs-state)
 396            (if vip-need-new-emacs-local-map
 397                (setq vip-emacs-local-user-map (make-sparse-keymap)))
 398            (setq vip-need-new-emacs-local-map nil
 399                  map vip-emacs-local-user-map))
 400           (t
 401            (error
 402             "Invalid state in vip-add-local-keys: %S. Valid states: vi-state, insert-state or emacs-state" state)))
 403
 404     (vip-modify-keymap map alist)
 405     (vip-normalize-minor-mode-map-alist)
 406     (vip-set-mode-vars-for vip-current-state)))
 407
 408
 409 (defun vip-modify-major-mode (mode state keymap)
 410   "Modify key bindings in a major-mode in a Viper state using a keymap.
 411
 412 If the default for a major mode is emacs-state, then modifications to this
 413 major mode may not take effect until the buffer switches state to Vi,
 414 Insert or Emacs. If this happens, add vip-change-state-to-emacs to this
 415 major mode's hook. If no such hook exists, you may have to put an advice on
 416 the function that invokes the major mode. See vip-set-hooks for hints.
 417
 418 The above needs not to be done for major modes that come up in Vi or Insert
 419 state by default.
 420
 421 Arguments: (major-mode vip-state keymap)"
 422   (let ((alist
 423          (cond ((eq state 'vi-state) 'vip-vi-state-modifier-alist)
 424                ((eq state 'insert-state) 'vip-insert-state-modifier-alist)
 425                ((eq state 'emacs-state) 'vip-emacs-state-modifier-alist)))
 426         elt)
 427     (if (setq elt (assoc mode (eval alist)))
 428         (set alist (delq elt (eval alist))))
 429     (set alist (cons (cons mode keymap) (eval alist)))
 430
 431     ;; Normalization usually doesn't help here, since one needs to
 432     ;; normalize in the actual buffer where changes to the keymap are
 433     ;; to take place. However, it doesn't hurt, and it helps whenever this
 434     ;; function is actually called from within the right buffer.
 435     (vip-normalize-minor-mode-map-alist)
 436
 437     (vip-set-mode-vars-for vip-current-state)))
 438
 439
 440 ;; Displays variables that control Viper's keymaps
 441 (defun vip-debug-keymaps ()
 442   (interactive)
 443   (with-output-to-temp-buffer " *vip-debug*"
 444     (princ (format "Buffer name:  %s\n\n" (buffer-name)))
 445     (princ "Variables:  \n")
 446     (princ (format "major-mode:  %S\n" major-mode))
 447     (princ (format "vip-current-state:  %S\n" vip-current-state))
 448     (princ (format "vip-mode-string:  %S\n\n" vip-mode-string))
 449     (princ (format "vip-vi-intercept-minor-mode:  %S\n"
 450                    vip-vi-intercept-minor-mode))
 451     (princ (format "vip-insert-intercept-minor-mode:  %S\n"
 452                    vip-insert-intercept-minor-mode))
 453     (princ (format "vip-emacs-intercept-minor-mode:  %S\n"
 454                    vip-emacs-intercept-minor-mode))
 455     (princ (format "vip-vi-minibuffer-minor-mode:  %S\n"
 456                    vip-vi-minibuffer-minor-mode))
 457     (princ (format "vip-insert-minibuffer-minor-mode:  %S\n\n"
 458                    vip-insert-minibuffer-minor-mode))
 459     (princ (format "vip-vi-local-user-minor-mode:  %S\n"
 460                    vip-vi-local-user-minor-mode))
 461     (princ (format "vip-vi-global-user-minor-mode:  %S\n"
 462                    vip-vi-global-user-minor-mode))
 463     (princ (format "vip-vi-kbd-minor-mode:  %S\n" vip-vi-kbd-minor-mode))
 464     (princ (format "vip-vi-state-modifier-minor-mode:  %S\n"
 465                    vip-vi-state-modifier-minor-mode))
 466     (princ (format "vip-vi-diehard-minor-mode:  %S\n"
 467                    vip-vi-diehard-minor-mode))
 468     (princ (format "vip-vi-basic-minor-mode:  %S\n" vip-vi-basic-minor-mode))
 469     (princ (format "vip-replace-minor-mode:  %S\n" vip-replace-minor-mode))
 470     (princ (format "vip-insert-local-user-minor-mode:  %S\n"
 471                    vip-insert-local-user-minor-mode))
 472     (princ (format "vip-insert-global-user-minor-mode:  %S\n"
 473                    vip-insert-global-user-minor-mode))
 474     (princ (format "vip-insert-kbd-minor-mode:  %S\n"
 475                    vip-insert-kbd-minor-mode))
 476     (princ (format "vip-insert-state-modifier-minor-mode:  %S\n"
 477                    vip-insert-state-modifier-minor-mode))
 478     (princ (format "vip-insert-diehard-minor-mode:  %S\n"
 479                    vip-insert-diehard-minor-mode))
 480     (princ (format "vip-insert-basic-minor-mode:  %S\n"
 481                    vip-insert-basic-minor-mode))
 482     (princ (format "vip-emacs-local-user-minor-mode:  %S\n"
 483                    vip-emacs-local-user-minor-mode))
 484     (princ (format "vip-emacs-kbd-minor-mode:  %S\n"
 485                    vip-emacs-kbd-minor-mode))
 486     (princ (format "vip-emacs-global-user-minor-mode:  %S\n"
 487                    vip-emacs-global-user-minor-mode))
 488     (princ (format "vip-emacs-state-modifier-minor-mode:  %S\n"
 489                    vip-emacs-state-modifier-minor-mode))
 490
 491     (princ (format "\nvip-expert-level  %S\n" vip-expert-level))
 492     (princ (format "vip-no-multiple-ESC  %S\n" vip-no-multiple-ESC))
 493     (princ (format "vip-always  %S\n" vip-always))
 494     (princ (format "vip-ex-style-motion  %S\n"
 495                    vip-ex-style-motion))
 496     (princ (format "vip-ex-style-editing-in-insert  %S\n"
 497                    vip-ex-style-editing-in-insert))
 498     (princ (format "vip-want-emacs-keys-in-vi  %S\n"
 499                    vip-want-emacs-keys-in-vi))
 500     (princ (format "vip-want-emacs-keys-in-insert  %S\n"
 501                    vip-want-emacs-keys-in-insert))
 502     (princ (format "vip-want-ctl-h-help  %S\n" vip-want-ctl-h-help))
 503
 504     (princ "\n\n\n")
 505     (princ (format "Default value for minor-mode-map-alist:  \n%S\n\n"
 506                    (default-value 'minor-mode-map-alist)))
 507     (princ (format "Actual value for minor-mode-map-alist:  \n%S\n"
 508                    minor-mode-map-alist))
 509     ))
 510
 511
 512 ;;; Keymap utils
 513
 514 (defun vip-add-keymap (mapsrc mapdst)
 515   "Add contents of mapsrc to mapdst. It is assumed that mapsrc is sparse."
 516   (if vip-xemacs-p
 517       (map-keymap (function (lambda (key binding)
 518                               (define-key mapdst key binding)))
 519                   mapsrc)
 520     (mapcar
 521      (function (lambda (p)
 522                  (define-key mapdst (vector (car p)) (cdr p))
 523                  ))
 524      (cdr mapsrc))))
 525
 526 (defun vip-modify-keymap (map alist)
 527    "Modifies MAP with bindings specified in the ALIST. The alist has the
 528 form ((key . function) (key . function) ... )."
 529    (mapcar (function (lambda (p)
 530                        (define-key map (eval (car p)) (cdr p))))
 531            alist))
 532
 533
 534 (provide 'viper-keym)
 535
 536 ;;;  viper-keym.el ends here