elisp/lilypond-mode.el

   1 ;;;;
   2 ;;;; lilypond-mode.el --- Major mode for editing GNU LilyPond music scores
   3 ;;;;
   4 ;;;; source file of the GNU LilyPond music typesetter
   5 ;;;;
   6 ;;;; (c) 1999--2007 Jan Nieuwenhuizen <janneke@gnu.org>
   7 ;;;;
   8 ;;;; Changed 2001--2003 Heikki Junes <heikki.junes@hut.fi>
   9 ;;;;    * Add PS-compilation, PS-viewing and MIDI-play (29th Aug 2001)
  10 ;;;;    * Keyboard shortcuts (12th Sep 2001)
  11 ;;;;    * Inserting tags, inspired on sgml-mode (11th Oct 2001)
  12 ;;;;    * Autocompletion & Info (23rd Nov 2002)
  13
  14 ;;; Inspired on auctex
  15
  16 ;;; Look lilypond-init.el or Documentation/topdocs/INSTALL.texi
  17 ;;; for installing instructions.
  18
  19 (require 'easymenu)
  20 (require 'compile)
  21
  22 (defconst LilyPond-version "2.5.20"
  23   "`LilyPond-mode' version number.")
  24
  25 (defconst LilyPond-help-address "bug-lilypond@gnu.org"
  26   "Address accepting submission of bug reports.")
  27
  28 (defvar LilyPond-mode-hook nil
  29   "*Hook called by `LilyPond-mode'.")
  30
  31 (defvar LilyPond-region-file-prefix "emacs-lily"
  32   "File prefix for commands on buffer or region.")
  33
  34 (defvar LilyPond-master-file nil
  35   "Master file that Lilypond will be run on.")
  36
  37 ;; FIXME: find ``\score'' in buffers / make settable?
  38 (defun LilyPond-get-master-file ()
  39   (or LilyPond-master-file
  40       (buffer-file-name)))
  41
  42 (defvar LilyPond-kick-xdvi nil
  43   "If true, no simultaneous xdvi's are started, but reload signal is sent.")
  44
  45 (defvar LilyPond-command-history nil
  46   "Command history list.")
  47
  48 (defvar LilyPond-regexp-alist
  49   '(("\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
  50   "Regexp used to match LilyPond errors.  See `compilation-error-regexp-alist'.")
  51
  52 (defvar LilyPond-imenu nil
  53   "A flag to tell whether LilyPond-imenu is turned on.")
  54 (make-variable-buffer-local 'LilyPond-imenu)
  55
  56 (defcustom LilyPond-include-path ".:/tmp"
  57   "* LilyPond include path."
  58   :type 'string
  59   :group 'LilyPond)
  60
  61 (defun LilyPond-words-filename ()
  62   "The file containing LilyPond \keywords \Identifiers and ReservedWords.
  63 Finds file lilypond-words.el from load-path."
  64   (let ((fn nil)
  65         (lp load-path)
  66         (words-file "lilypond-words.el"))
  67     (while (and (> (length lp) 0) (not fn))
  68       (setq fn (concat (car lp) "/" words-file))
  69       (if (not (file-readable-p fn))
  70           (progn (setq fn nil) (setq lp (cdr lp)))))
  71     (if (not fn)
  72         (progn (message "Warning: `lilypond-words.el' not found in `load-path'. See `lilypond-init.el'.")
  73                (sit-for 5 0)))
  74     fn))
  75
  76 (defun LilyPond-add-dictionary-word (x)
  77   "Contains all words: \keywords \Identifiers and ReservedWords."
  78   (nconc '(("" . 1)) x))
  79
  80 (if (> emacs-major-version 20)
  81     (defun get-buffer-size (b) (buffer-size b))
  82   (defun get-buffer-size (b)
  83     (let (size (current-buffer (current-buffer)))
  84       (set-buffer b)
  85       (setq size (buffer-size))
  86       (set-buffer current-buffer)
  87       size
  88     )))
  89
  90 ;; creates dictionary if empty
  91 (if (and (eq (length (LilyPond-add-dictionary-word ())) 1)
  92          (not (eq (LilyPond-words-filename) nil)))
  93     (progn
  94       (setq b (find-file-noselect (LilyPond-words-filename) t t))
  95       (setq m (set-marker (make-marker) 1 (get-buffer b)))
  96       (setq i 1)
  97       (while (> (get-buffer-size b) (marker-position m))
  98         (setq i (+ i 1))
  99         (setq copy (copy-alist (list (eval (symbol-name (read m))))))
 100         (setcdr copy i)
 101         (LilyPond-add-dictionary-word (list copy)))
 102       (kill-buffer b)))
 103
 104 (defvar LilyPond-insert-tag-current ""
 105   "The last command selected from the LilyPond-Insert -menu.")
 106
 107 (defconst LilyPond-menu-keywords
 108   (let ((wordlist '())
 109         (co (all-completions "" (LilyPond-add-dictionary-word ())))
 110         (currword ""))
 111     (progn
 112       (while (> (length co) 0)
 113         (setq currword (car co))
 114         (if (string-equal "-" (car (setq co (cdr co))))
 115             (progn
 116               (add-to-list 'wordlist currword)
 117               (while (and (> (length co) 0)
 118                           (not (string-equal "-" (car (setq co (cdr co))))))))))
 119       (reverse wordlist)))
 120   "Keywords inserted from LilyPond-Insert-menu.")
 121
 122 (defconst LilyPond-keywords
 123   (let ((wordlist '("\\score"))
 124         (co (all-completions "" (LilyPond-add-dictionary-word ())))
 125         (currword ""))
 126     (progn
 127       (while (> (length co) 0)
 128         (setq currword (car co))
 129         (if (> (length currword) 1)
 130             (if (and (string-equal "\\" (substring currword 0 1))
 131                      (string-match "[a-z-]+" currword)
 132                      (= (match-beginning 0) 1)
 133                      (= (match-end 0) (length currword))
 134                      (not (string-equal "\\longa" currword))
 135                      (not (string-equal "\\breve" currword))
 136                      (not (string-equal "\\maxima" currword))
 137                      (string-equal (downcase currword) currword))
 138                 (add-to-list 'wordlist currword)))
 139         (if (string-equal "-" (car (setq co (cdr co))))
 140             (while (and (> (length co) 0)
 141                         (not (string-equal "-" (car (setq co (cdr co)))))))))
 142       (reverse wordlist)))
 143   "LilyPond \\keywords")
 144
 145 (defconst LilyPond-identifiers
 146   (let ((wordlist '("\\voiceOne"))
 147         (co (all-completions "" (LilyPond-add-dictionary-word ()))))
 148     (progn
 149       (while (> (length co) 0)
 150         (setq currword (car co))
 151         (if (> (length currword) 1)
 152             (if (and (string-equal "\\" (substring currword 0 1))
 153                      (string-match "[a-zA-Z-]+" currword)
 154                      (= (match-beginning 0) 1)
 155                      (= (match-end 0) (length currword))
 156                      (not (string-equal (downcase currword) currword)))
 157                 (add-to-list 'wordlist currword)))
 158         (if (string-equal "-" (car (setq co (cdr co))))
 159             (while (and (> (length co) 0)
 160                         (not (string-equal "-" (car (setq co (cdr co)))))))))
 161       (reverse wordlist)))
 162   "LilyPond \\Identifiers")
 163
 164 (defconst LilyPond-Capitalized-Reserved-Words
 165   (let ((wordlist '("StaffContext"))
 166         (co (all-completions "" (LilyPond-add-dictionary-word ()))))
 167     (progn
 168       (while (> (length co) 0)
 169         (setq currword (car co))
 170         (if (> (length currword) 0)
 171             (if (and (string-match "[a-zA-Z_]+" currword)
 172                      (= (match-beginning 0) 0)
 173                      (= (match-end 0) (length currword))
 174                      (not (string-equal (downcase currword) currword)))
 175                 (add-to-list 'wordlist currword)))
 176         (if (string-equal "-" (car (setq co (cdr co))))
 177             (while (and (> (length co) 0)
 178                         (not (string-equal "-" (car (setq co (cdr co)))))))))
 179       (reverse wordlist)))
 180   "LilyPond ReservedWords")
 181
 182 (defconst LilyPond-non-capitalized-reserved-words
 183   (let ((wordlist '("cessess"))
 184         (co (all-completions "" (LilyPond-add-dictionary-word ()))))
 185     (progn
 186       (while (> (length co) 0)
 187         (setq currword (car co))
 188         (if (> (length currword) 0)
 189             (if (and (string-match "[a-z]+" currword)
 190                      (= (match-beginning 0) 0)
 191                      (= (match-end 0) (length currword))
 192                      (string-equal (downcase currword) currword))
 193                 (add-to-list 'wordlist currword)))
 194         (if (string-equal "-" (car (setq co (cdr co))))
 195             (while (and (> (length co) 0)
 196                         (not (string-equal "-" (car (setq co (cdr co)))))))))
 197       (reverse wordlist)))
 198   "LilyPond notenames")
 199
 200 (defun LilyPond-check-files (derived originals extensions)
 201   "Check that DERIVED is newer than any of the ORIGINALS.
 202 Try each original with each member of EXTENSIONS, in all directories
 203 in LilyPond-include-path."
 204   (let ((found nil)
 205         (regexp (concat "\\`\\("
 206                         (mapconcat (function (lambda (dir)
 207                                       (regexp-quote (expand-file-name dir))))
 208                                    LilyPond-include-path "\\|")
 209                         "\\).*\\("
 210                         (mapconcat 'regexp-quote originals "\\|")
 211                         "\\)\\.\\("
 212                         (mapconcat 'regexp-quote extensions "\\|")
 213                         "\\)\\'"))
 214         (buffers (buffer-list)))
 215     (while buffers
 216       (let* ((buffer (car buffers))
 217              (name (buffer-file-name buffer)))
 218         (setq buffers (cdr buffers))
 219         (if (and name (string-match regexp name))
 220             (progn
 221               (and (buffer-modified-p buffer)
 222                    (or (not LilyPond-save-query)
 223                        (y-or-n-p (concat "Save file "
 224                                          (buffer-file-name buffer)
 225                                          "? ")))
 226                    (save-excursion (set-buffer buffer) (save-buffer)))
 227               (if (file-newer-than-file-p name derived)
 228                   (setq found t))))))
 229     found))
 230
 231 (defun LilyPond-running ()
 232   "Check the currently running LilyPond compiling jobs."
 233   (let ((process-names (list "lilypond" "tex" "2dvi" "2ps" "2midi"
 234                              "book" "latex"))
 235         (running nil))
 236     (while (setq process-name (pop process-names))
 237       (setq process (get-process process-name))
 238       (if (and process
 239                (eq (process-status process) 'run))
 240           (push process-name running)))
 241     running)) ; return the running jobs
 242
 243 (defun LilyPond-midi-running ()
 244   "Check the currently running Midi processes."
 245   (let ((process-names (list "midi" "midiall"))
 246         (running nil))
 247     (while (setq process-name (pop process-names))
 248       (setq process (get-process process-name))
 249       (if (and process
 250                (eq (process-status process) 'run))
 251           (push process-name running)))
 252     running)) ; return the running jobs
 253
 254 (defun LilyPond-kill-jobs ()
 255   "Kill the currently running LilyPond compiling jobs."
 256   (interactive)
 257   (let ((process-names (LilyPond-running))
 258         (killed nil))
 259     (while (setq process-name (pop process-names))
 260       (quit-process (get-process process-name) t)
 261       (push process-name killed))
 262     killed)) ; return the killed jobs
 263
 264 (defun LilyPond-kill-midi ()
 265   "Kill the currently running midi processes."
 266   (let ((process-names (LilyPond-midi-running))
 267         (killed nil))
 268     (while (setq process-name (pop process-names))
 269       (quit-process (get-process process-name) t)
 270       (push process-name killed))
 271     killed)) ; return the killed jobs
 272
 273 ;; URG, should only run LilyPond-compile for LilyPond
 274 ;; not for tex,xdvi (lilypond?)
 275 (defun LilyPond-compile-file (command name)
 276   ;; We maybe should know what we run here (Lily, lilypond, tex)
 277   ;; and adjust our error-matching regex ?
 278   (compile-internal
 279    (if (eq LilyPond-command-current 'LilyPond-command-master)
 280        command
 281      ;; use temporary directory for Commands on Buffer/Region
 282      ;; hm.. the directory is set twice, first to default-dir
 283      (concat "cd " (LilyPond-temp-directory) "; " command))
 284    "No more errors" name))
 285
 286 ;; do we still need this, now that we're using compile-internal?
 287 (defun LilyPond-save-buffer ()
 288   "Save buffer and set default command for compiling."
 289   (interactive)
 290   (if (buffer-modified-p)
 291       (progn (save-buffer)
 292              (setq LilyPond-command-next LilyPond-command-default))))
 293
 294 ;;; return (dir base ext)
 295 (defun split-file-name (name)
 296   (let* ((i (string-match "[^/]*$" name))
 297          (dir (if (> i 0) (substring name 0 i) "./"))
 298          (file (substring name i (length name)))
 299          (i (string-match "[^.]*$" file)))
 300     (if (and
 301          (> i 0)
 302          (< i (length file)))
 303         (list dir (substring file 0 (- i 1)) (substring file i (length file)))
 304       (list dir file ""))))
 305
 306
 307 ;; Should check whether in command-alist?
 308 (defcustom LilyPond-command-default "LilyPond"
 309   "Default command. Must identify a member of LilyPond-command-alist."
 310
 311   :group 'LilyPond
 312   :type 'string)
 313 ;;;(make-variable-buffer-local 'LilyPond-command-last)
 314
 315 (defvar LilyPond-command-next LilyPond-command-default)
 316
 317 (defvar LilyPond-command-current 'LilyPond-command-master)
 318 ;;;(make-variable-buffer-local 'LilyPond-command-master)
 319
 320
 321 ;; If non-nil, LilyPond-command-query will return the value of this
 322 ;; variable instead of quering the user.
 323 (defvar LilyPond-command-force nil)
 324
 325 (defcustom LilyPond-lilypond-command "lilypond"
 326   "Command used to compile LY files."
 327   :group 'LilyPond
 328   :type 'string)
 329
 330 (defcustom LilyPond-dvi-command "xdvi"
 331   "Command used to display DVI files."
 332
 333   :group 'LilyPond
 334   :type 'string)
 335
 336 (defcustom LilyPond-ps-command "gv --watch"
 337   "Command used to display PS files."
 338
 339   :group 'LilyPond
 340   :type 'string)
 341
 342 (defcustom LilyPond-pdf-command "xpdf"
 343   "Command used to display PDF files."
 344
 345   :group 'LilyPond
 346   :type 'string)
 347
 348 (defcustom LilyPond-midi-command "timidity"
 349   "Command used to play MIDI files."
 350
 351   :group 'LilyPond
 352   :type 'string)
 353
 354 (defcustom LilyPond-all-midi-command "timidity -ia"
 355   "Command used to play MIDI files."
 356
 357   :group 'LilyPond
 358   :type 'string)
 359
 360 (defun LilyPond-command-current-midi ()
 361   "Play midi corresponding to the current document."
 362   (interactive)
 363   (LilyPond-command (LilyPond-command-menu "Midi") 'LilyPond-get-master-file))
 364
 365 (defun LilyPond-command-all-midi ()
 366   "Play midi corresponding to the current document."
 367   (interactive)
 368   (LilyPond-command (LilyPond-command-menu "MidiAll") 'LilyPond-get-master-file))
 369
 370 (defun count-matches-as-number (re)
 371   "Count-matches in emacs 22 backwards-incompatibly returns a number"
 372   (let ((result (count-matches re)))
 373     (if (stringp result)
 374         (string-to-number result)
 375       result)))
 376
 377 (defun count-rexp (start end rexp)
 378   "Print number of found regular expressions in the region."
 379   (interactive "r")
 380   (save-excursion
 381     (save-restriction
 382       (narrow-to-region start end)
 383       (goto-char (point-min))
 384       (count-matches-as-number rexp))))
 385
 386 (defun count-midi-words ()
 387   "Check number of midi-scores before the curser."
 388   (if (eq LilyPond-command-current 'LilyPond-command-region)
 389       (count-rexp (mark t) (point) "\\\\midi")
 390     (count-rexp (point-min) (point-max) "\\\\midi")))
 391
 392 (defun count-midi-words-backwards ()
 393   "Check number of midi-scores before the curser."
 394   (if (eq LilyPond-command-current 'LilyPond-command-region)
 395       (count-rexp (mark t) (point) "\\\\midi")
 396     (count-rexp (point-min) (point) "\\\\midi")))
 397
 398 (defun LilyPond-string-current-midi ()
 399   "Check the midi file of the following midi-score in the current document."
 400   (let ((fnameprefix (if (eq LilyPond-command-current 'LilyPond-command-master)
 401                          (substring (LilyPond-get-master-file) 0 -3); suppose ".ly"
 402                        LilyPond-region-file-prefix))
 403         (allcount (count-midi-words))
 404         (count (count-midi-words-backwards)))
 405     (concat  fnameprefix
 406              (if (and (> allcount 1) (> count 0)) ; not first score
 407                  (if (eq count allcount)          ; last score
 408                      (concat "-" (number-to-string (+ count -1)))
 409                    (concat "-" (number-to-string count))))
 410              ".midi")))
 411
 412 (defun LilyPond-string-all-midi ()
 413   "Return the midi files of the current document in ascending order."
 414   (let ((fnameprefix (if (eq LilyPond-command-current 'LilyPond-command-master)
 415                          (substring (LilyPond-get-master-file) 0 -3); suppose ".ly"
 416                        LilyPond-region-file-prefix))
 417         (allcount (count-midi-words)))
 418     (concat (if (> allcount 0)  ; at least one midi-score
 419                 (concat fnameprefix ".midi "))
 420             (if (> allcount 1)  ; more than one midi-score
 421                 (concat fnameprefix "-[1-9].midi "))
 422             (if (> allcount 9)  ; etc.
 423                 (concat fnameprefix "-[1-9][0-9].midi"))
 424             (if (> allcount 99) ; not first score
 425                 (concat fnameprefix "-[1-9][0-9][0-9].midi")))))
 426
 427 ;; This is the major configuration variable.
 428 (defcustom LilyPond-command-alist
 429   ;; Should expand this to include possible keyboard shortcuts which
 430   ;; could then be mapped to define-key and menu.
 431   `(
 432     ("LilyPond" . (,(concat LilyPond-lilypond-command " %s") "%s" "%l" "View"))
 433     ("TeX" . ("tex '\\nonstopmode\\input %t'" "%t" "%d" "ViewDVI"))
 434     ("2Dvi" . (,(concat LilyPond-lilypond-command " -b tex %s") "%s" "%d" "LaTeX"))
 435     ("2PS" . (,(concat LilyPond-lilypond-command " -f ps %s") "%s" "%p" "ViewPS"))
 436     ("2Gnome" . (,(concat LilyPond-lilypond-command " -b gnome %s")))
 437
 438     ("Book" . ("lilypond-book %x" "%x" "%l" "LaTeX"))
 439     ("LaTeX" . ("latex '\\nonstopmode\\input %l'" "%l" "%d" "ViewDVI"))
 440
 441     ;; refreshes when kicked USR1
 442     ("View" . (,(concat LilyPond-pdf-command " %f")))
 443     ("ViewPDF" . (,(concat LilyPond-pdf-command " %f")))
 444     ("ViewDVI" . (,(concat LilyPond-dvi-command " %d")))
 445     ("ViewPS" . (,(concat LilyPond-ps-command " %p")))
 446
 447     ;; The following are refreshed in LilyPond-command:
 448     ;; - current-midi depends on cursor position and
 449     ("Midi" . ("")) ;
 450     ;; - all-midi depends on number of midi-score.
 451     ("MidiAll" . (""))
 452     )
 453
 454   "AList of commands to execute on the current document.
 455
 456 The key is the name of the command as it will be presented to the
 457 user, the value is a cons of the command string handed to the shell
 458 after being expanded, and the next command to be executed upon
 459 success.  The expansion is done using the information found in
 460 LilyPond-expand-list.
 461 "
 462   :group 'LilyPond
 463   :type '(repeat (cons :tag "Command Item"
 464                        (string :tag "Key")
 465                        (cons :tag "How"
 466                         (string :tag "Command")
 467                         (string :tag "Next Key")))))
 468
 469 ;; drop this?
 470 (defcustom LilyPond-file-extension ".ly"
 471   "*File extension used in LilyPond sources."
 472   :group 'LilyPond
 473   :type 'string)
 474
 475
 476 (defcustom LilyPond-expand-alist
 477   '(
 478     ("%s" . ".ly")
 479     ("%t" . ".tex")
 480     ("%d" . ".dvi")
 481     ("%f" . ".pdf")
 482     ("%p" . ".ps")
 483     ("%l" . ".tex")
 484     ("%x" . ".tely")
 485     ("%m" . ".midi")
 486     )
 487
 488   "Alist of expansion strings for LilyPond command names."
 489   :group 'LilyPond
 490   :type '(repeat (cons :tag "Alist item"
 491                   (string :tag "Symbol")
 492                   (string :tag "Expansion"))))
 493
 494
 495 (defcustom LilyPond-command-Show "View"
 496   "*The default command to show (view or print) a LilyPond file.
 497 Must be the car of an entry in `LilyPond-command-alist'."
 498   :group 'LilyPond
 499   :type 'string)
 500   (make-variable-buffer-local 'LilyPond-command-Show)
 501
 502 (defcustom LilyPond-command-Print "Print"
 503   "The name of the Print entry in LilyPond-command-Print."
 504   :group 'LilyPond
 505   :type 'string)
 506
 507 (defun LilyPond-find-required-command (command file)
 508   "Find the first command in the chain that is needed to run
 509  (input file is newer than the output file)"
 510   (let* ((entry (cdr (assoc command LilyPond-command-alist)))
 511         (next-command (nth 3 entry)))
 512     (if (null next-command)
 513         command
 514       (let* ((src-string (nth 1 entry))
 515             (input (LilyPond-command-expand src-string file))
 516             (output (LilyPond-command-expand (nth 2 entry) file)))
 517         (if (or (file-newer-than-file-p input output)
 518                 (and (equal "%s" src-string)
 519                      (not (equal (buffer-name) file))
 520                      (file-newer-than-file-p (buffer-name)
 521                                              output)))
 522             command
 523           (LilyPond-find-required-command next-command file))))))
 524
 525 (defun LilyPond-command-query (name)
 526   "Query the user for what LilyPond command to use."
 527   (cond ((string-equal name LilyPond-region-file-prefix)
 528          (LilyPond-check-files (concat name ".tex")
 529                                (list name)
 530                                (list LilyPond-file-extension)))
 531         ((verify-visited-file-modtime (current-buffer))
 532          (and (buffer-modified-p)
 533               (y-or-n-p "Save buffer before next command? ")
 534               (LilyPond-save-buffer)))
 535         ((y-or-n-p "The command will be invoked to an already saved buffer. Revert it? ")
 536          (revert-buffer t t)))
 537
 538   (let* ((default (LilyPond-find-required-command LilyPond-command-next name))
 539          (completion-ignore-case t)
 540          (answer (or LilyPond-command-force
 541                      (completing-read
 542                       (concat "Command: (default " default ") ")
 543                       LilyPond-command-alist nil t nil 'LilyPond-command-history))))
 544
 545     ;; If the answer is "LilyPond" it will not be expanded to "LilyPond"
 546     (let ((answer (car-safe (assoc answer LilyPond-command-alist))))
 547       (if (and answer
 548                (not (string-equal answer "")))
 549           answer
 550         default))))
 551
 552 (defun LilyPond-command-master ()
 553   "Run command on the current document."
 554   (interactive)
 555   (LilyPond-command-select-master)
 556   (LilyPond-command (LilyPond-command-query (LilyPond-get-master-file))
 557                     'LilyPond-get-master-file))
 558
 559 (defun LilyPond-command-lilypond ()
 560   "Run lilypond for the current document."
 561   (interactive)
 562   (LilyPond-command (LilyPond-command-menu "LilyPond") 'LilyPond-get-master-file)
 563 )
 564
 565 (defun LilyPond-command-formatdvi ()
 566   "Format the dvi output of the current document."
 567   (interactive)
 568   (LilyPond-command (LilyPond-command-menu "2Dvi") 'LilyPond-get-master-file)
 569 )
 570
 571 (defun LilyPond-command-formatps ()
 572   "Format the ps output of the current document."
 573   (interactive)
 574   (LilyPond-command (LilyPond-command-menu "2PS") 'LilyPond-get-master-file)
 575 )
 576
 577 (defun LilyPond-command-formatgnome ()
 578   "Format the gnome output of the current document."
 579   (interactive)
 580   (LilyPond-command (LilyPond-command-menu "2Gnome") 'LilyPond-get-master-file))
 581
 582 (defun LilyPond-command-formatmidi ()
 583   "Format the midi output of the current document."
 584   (interactive)
 585   (LilyPond-command (LilyPond-command-menu "2Midi") 'LilyPond-get-master-file))
 586
 587 (defun LilyPond-command-view ()
 588   "View the output of current document."
 589   (interactive)
 590   (LilyPond-command-viewpdf))
 591
 592 (defun LilyPond-command-viewpdf ()
 593   "View the ps output of current document."
 594   (interactive)
 595   (LilyPond-command (LilyPond-command-menu "ViewPDF") 'LilyPond-get-master-file))
 596
 597 (defun LilyPond-command-viewps ()
 598   "View the ps output of current document."
 599   (interactive)
 600   (LilyPond-command (LilyPond-command-menu "ViewPS") 'LilyPond-get-master-file))
 601
 602 ;; FIXME, this is broken
 603 (defun LilyPond-region-file (begin end)
 604   (let (
 605         ;; (dir "./")
 606         (dir (LilyPond-temp-directory))
 607         (base LilyPond-region-file-prefix)
 608         (ext LilyPond-file-extension))
 609     (concat dir base ext)))
 610
 611 ;;; Commands on Region work if there is an appropriate '\score'.
 612 (defun LilyPond-command-region (begin end)
 613   "Run LilyPond on the current region."
 614   (interactive "r")
 615   (if (or (> begin (point-min)) (< end (point-max)))
 616       (LilyPond-command-select-region))
 617   (write-region begin end (LilyPond-region-file begin end) nil 'nomsg)
 618   (LilyPond-command (LilyPond-command-query
 619                      (LilyPond-region-file begin end))
 620                     '(lambda () (LilyPond-region-file begin end)))
 621   ;; Region may deactivate even if buffer was intact, reactivate?
 622   ;; Currently, also deactived regions are used.
 623   )
 624
 625 (defun LilyPond-command-buffer ()
 626   "Run LilyPond on buffer."
 627   (interactive)
 628   (LilyPond-command-select-buffer)
 629   (LilyPond-command-region (point-min) (point-max)))
 630
 631 (defun LilyPond-command-expand (string file)
 632   (let ((case-fold-search nil))
 633     (if (string-match "%" string)
 634         (let* ((b (match-beginning 0))
 635                (e (+ b 2))
 636                (l (split-file-name file))
 637                (dir (car l))
 638                (base (cadr l)))
 639           (LilyPond-command-expand
 640            (concat (substring string 0 b)
 641                    dir
 642                    base
 643                    (let ((entry (assoc (substring string b e)
 644                                        LilyPond-expand-alist)))
 645                      (if entry (cdr entry) ""))
 646                    (substring string e))
 647            file))
 648       string)))
 649
 650 (defun LilyPond-shell-process (name buffer command)
 651   (let ((old (current-buffer)))
 652     (switch-to-buffer-other-window buffer)
 653     ;; If we empty the buffer don't see messages scroll by.
 654     ;; (erase-buffer)
 655
 656     (start-process-shell-command name buffer command)
 657     (switch-to-buffer-other-window old)))
 658
 659
 660 (defun LilyPond-command (name file)
 661   "Run command NAME on the file you get by calling FILE.
 662
 663 FILE is a function return a file name.  It has one optional argument,
 664 the extension to use on the file.
 665
 666 Use the information in LilyPond-command-alist to determine how to run the
 667 command."
 668
 669   (let ((entry (assoc name LilyPond-command-alist)))
 670     (if entry
 671         (let ((command (LilyPond-command-expand (cadr entry)
 672                                                 (apply file nil)))
 673               (jobs nil)
 674               (job-string "no jobs"))
 675           (if (member name (list "View" "ViewPS"))
 676               ;; is USR1 a right signal for viewps?
 677               (let ((buffer-xdvi (get-buffer-create (concat "*" name "*"))))
 678                 ;; what if XEDITOR is set to gedit or so, should we steal it?
 679                 (if (not (getenv "XEDITOR"))
 680                     (setenv "XEDITOR" "emacsclient --no-wait +%l:%c %f"))
 681                 (if LilyPond-kick-xdvi
 682                   (let ((process-xdvi (get-buffer-process buffer-xdvi)))
 683                     (if process-xdvi
 684                         (signal-process (process-id process-xdvi) 'SIGUSR1)
 685                       (LilyPond-shell-process name buffer-xdvi command)))
 686                   (LilyPond-shell-process name buffer-xdvi command)))
 687             (progn
 688               (if (string-equal name "Midi")
 689                   (progn
 690                     (setq command (concat LilyPond-midi-command " " (LilyPond-string-current-midi)))
 691                     (if (LilyPond-kill-midi)
 692                         (setq job-string nil)))) ; either stop or start playing
 693               (if (string-equal name "MidiAll")
 694                   (progn
 695                     (setq command (concat LilyPond-all-midi-command " " (LilyPond-string-all-midi)))
 696                     (LilyPond-kill-midi))) ; stop and start playing
 697               (if (and (member name (list "Midi" "MidiAll")) job-string)
 698                   (if (file-newer-than-file-p
 699                        (LilyPond-get-master-file)
 700                        (concat (substring (LilyPond-get-master-file) 0 -3) ".midi"))
 701                       (if (y-or-n-p "Midi older than source. Reformat midi?")
 702                           (progn
 703                             (LilyPond-command-formatmidi)
 704                             (while (LilyPond-running)
 705                               (message "Starts playing midi once it is built.")
 706                               (sit-for 0 100))))))
 707               (if (member name (list "LilyPond" "TeX" "2Midi" "2PS" "2Dvi"
 708                                      "Book" "LaTeX"))
 709                   (if (setq jobs (LilyPond-running))
 710                       (progn
 711                         (setq job-string "Process") ; could also suggest compiling after process has ended
 712                         (while jobs
 713                           (setq job-string (concat job-string " \"" (pop jobs) "\"")))
 714                         (setq job-string (concat job-string " is already running; kill it to proceed "))
 715                         (if (y-or-n-p job-string)
 716                             (progn
 717                               (setq job-string "no jobs")
 718                               (LilyPond-kill-jobs)
 719                               (while (LilyPond-running)
 720                                 (sit-for 0 100)))
 721                           (setq job-string nil)))))
 722
 723               (setq LilyPond-command-next
 724                     (let* ((entry (assoc name LilyPond-command-alist))
 725                            (next-command (nth 3 (cdr entry))))
 726                       (or next-command
 727                           LilyPond-command-default)))
 728
 729               (if (string-equal job-string "no jobs")
 730                   (LilyPond-compile-file command name))))))))
 731
 732 (defun LilyPond-mark-active ()
 733   "Check if there is an active mark."
 734   (and transient-mark-mode
 735        (if (string-match "XEmacs\\|Lucid" emacs-version) (mark) mark-active)))
 736
 737 (defun LilyPond-temp-directory ()
 738   "Temporary file directory for Commands on Region."
 739   (interactive)
 740   (if (string-match "XEmacs\\|Lucid" emacs-version)
 741       (concat (temp-directory) "/")
 742     temporary-file-directory))
 743
 744 ;;; Keymap
 745
 746 (defvar LilyPond-mode-map ()
 747   "Keymap used in `LilyPond-mode' buffers.")
 748
 749 ;; Note:  if you make changes to the map, you must do
 750 ;;    M-x set-variable LilyPond-mode-map nil
 751 ;;    M-x eval-buffer
 752 ;;    M-x LilyPond-mode
 753 ;; to let the changest take effect
 754
 755 (if LilyPond-mode-map
 756     ()
 757   (setq LilyPond-mode-map (make-sparse-keymap))
 758   ;; Put keys to LilyPond-command-alist and fetch them from there somehow.
 759   (define-key LilyPond-mode-map "\C-c\C-l" 'LilyPond-command-lilypond)
 760   (define-key LilyPond-mode-map "\C-c\C-r" 'LilyPond-command-region)
 761   (define-key LilyPond-mode-map "\C-c\C-b" 'LilyPond-command-buffer)
 762   (define-key LilyPond-mode-map "\C-c\C-k" 'LilyPond-kill-jobs)
 763   (define-key LilyPond-mode-map "\C-c\C-c" 'LilyPond-command-master)
 764   (define-key LilyPond-mode-map "\C-cm" 'LilyPond-command-formatmidi)
 765   (define-key LilyPond-mode-map "\C-c\C-d" 'LilyPond-command-formatdvi)
 766   (define-key LilyPond-mode-map "\C-c\C-f" 'LilyPond-command-formatps)
 767   (define-key LilyPond-mode-map "\C-c\C-g" 'LilyPond-command-formatgnome)
 768   (define-key LilyPond-mode-map "\C-c\C-s" 'LilyPond-command-view)
 769   (define-key LilyPond-mode-map "\C-c\C-p" 'LilyPond-command-viewps)
 770   (define-key LilyPond-mode-map [(control c) return] 'LilyPond-command-current-midi)
 771   (define-key LilyPond-mode-map [(control c) (control return)] 'LilyPond-command-all-midi)
 772   (define-key LilyPond-mode-map "\C-x\C-s" 'LilyPond-save-buffer)
 773   (define-key LilyPond-mode-map "\C-cb" 'LilyPond-what-beat)
 774   (define-key LilyPond-mode-map "\C-cf" 'font-lock-fontify-buffer)
 775   (define-key LilyPond-mode-map "\C-ci" 'LilyPond-insert-tag-current)
 776   ;; the following will should be overriden by Lilypond Quick Insert Mode
 777   (define-key LilyPond-mode-map "\C-cq" 'LilyPond-quick-insert-mode)
 778   (define-key LilyPond-mode-map "\C-c;" 'LilyPond-comment-region)
 779   (define-key LilyPond-mode-map ")" 'LilyPond-electric-close-paren)
 780   (define-key LilyPond-mode-map ">" 'LilyPond-electric-close-paren)
 781   (define-key LilyPond-mode-map "}" 'LilyPond-electric-close-paren)
 782   (define-key LilyPond-mode-map "]" 'LilyPond-electric-close-paren)
 783   (define-key LilyPond-mode-map "|" 'LilyPond-electric-bar)
 784   (if (string-match "XEmacs\\|Lucid" emacs-version)
 785       (define-key LilyPond-mode-map [iso-left-tab] 'LilyPond-autocompletion)
 786     (define-key LilyPond-mode-map [iso-lefttab] 'LilyPond-autocompletion))
 787   (define-key LilyPond-mode-map "\C-c\t" 'LilyPond-info-index-search)
 788   )
 789
 790 ;;; Menu Support
 791
 792 ;;; This mode was originally LilyPond-quick-note-insert by Heikki Junes.
 793 ;;; The original version has been junked since CVS-1.97,
 794 ;;; in order to merge the efforts done by Nicolas Sceaux.
 795 ;;; LilyPond Quick Insert Mode is a major mode, toggled by C-c q.
 796 (defun LilyPond-quick-insert-mode ()
 797   "Insert notes with fewer key strokes by using a simple keyboard piano."
 798   (interactive)
 799   (progn
 800     (message "Invoke (C-c q) from keyboard. If you still see this message,") (sit-for 5 0)
 801     (message "then you have not installed LilyPond Quick Insert Mode (lyqi).") (sit-for 5 0)
 802     (message "Download lyqi from http://nicolas.sceaux.free.fr/lilypond/lyqi.html,") (sit-for 5 0)
 803     (message "see installation instructions from lyqi's README -file.") (sit-for 5 0)
 804     (message "You need also eieio (Enhanced Integration of Emacs Interpreted Objects).") (sit-for 5 0)
 805     (message "Download eieio from http://cedet.sourceforge.net/eieio.shtml,") (sit-for 5 0)
 806     (message "see installation instructions from eieio's INSTALL -file.") (sit-for 5 0)
 807     (message "")
 808     ))
 809
 810 (defun LilyPond-pre-word-search ()
 811   "Fetch the alphabetic characters and \\ in front of the cursor."
 812   (let ((pre "")
 813         (prelen 0)
 814         (ch (char-before (- (point) 0))))
 815     (while (and ch (or (and (>= ch 65) (<= ch 90))  ; not bolp, A-Z
 816                        (and (>= ch 97) (<= ch 122)) ; a-z
 817                        (= ch 92)))                  ; \\
 818       (setq pre (concat (char-to-string ch) pre))
 819       (setq prelen (+ prelen 1))
 820       (setq ch (char-before (- (point) prelen))))
 821     pre))
 822
 823 (defun LilyPond-post-word-search ()
 824   "Fetch the alphabetic characters behind the cursor."
 825   (let ((post "")
 826         (postlen 0)
 827         (ch (char-after (+ (point) 0))))
 828     (while (and ch (or (and (>= ch 65) (<= ch 90))    ; not eolp, A-Z
 829                        (and (>= ch 97) (<= ch 122)))) ; a-z
 830       (setq post (concat post (char-to-string ch)))
 831       (setq postlen (+ postlen 1))
 832       (setq ch (char-after (+ (point) postlen))))
 833     post))
 834
 835 (defun LilyPond-autocompletion ()
 836   "Show completions in mini-buffer for the given word."
 837   (interactive)
 838   (let ((pre (LilyPond-pre-word-search))
 839         (post (LilyPond-post-word-search))
 840         (compsstr ""))
 841     ;; insert try-completion and show all-completions
 842     (if (> (length pre) 0)
 843         (progn
 844           (setq trycomp (try-completion pre (LilyPond-add-dictionary-word ())))
 845           (if (char-or-string-p trycomp)
 846               (if (string-equal (concat pre post) trycomp)
 847                   (goto-char (+ (point) (length post)))
 848                 (progn
 849                   (delete-region (point) (+ (point) (length post)))
 850                   (insert (substring trycomp (length pre) nil))))
 851             (progn
 852               (delete-region (point) (+ (point) (length post)))
 853               (font-lock-fontify-buffer))) ; only inserting fontifies
 854
 855         (setq complist (all-completions pre (LilyPond-add-dictionary-word ())))
 856         (while (> (length complist) 0)
 857           (setq compsstr (concat compsstr "\"" (car complist) "\" "))
 858           (setq complist (cdr complist)))
 859         (message compsstr)
 860         (sit-for 0 100)))))
 861
 862 (defun LilyPond-info ()
 863   "Launch Info for lilypond."
 864   (interactive)
 865   (info "lilypond"))
 866
 867 (defun LilyPond-music-glossary-info ()
 868   "Launch Info for music-glossary."
 869   (interactive)
 870   (info "music-glossary"))
 871
 872 (defun LilyPond-internals-info ()
 873   "Launch Info for lilypond-internals."
 874   (interactive)
 875   (info "lilypond-internals"))
 876
 877 (defun LilyPond-info-index-search ()
 878   "In `*info*'-buffer, launch `info lilypond --index-search word-under-cursor'"
 879   (interactive)
 880   (let ((str (concat (LilyPond-pre-word-search) (LilyPond-post-word-search))))
 881     (if (and (> (length str) 0)
 882              (string-equal (substring str 0 1) "\\"))
 883         (setq str (substring str 1 nil)))
 884     (LilyPond-info)
 885     (Info-index str)))
 886
 887 (defun LilyPond-insert-tag-current (&optional word)
 888   "Set the current tag to be inserted."
 889   (interactive)
 890   (if word
 891       (setq LilyPond-insert-tag-current word))
 892   (if (memq LilyPond-insert-tag-current LilyPond-menu-keywords)
 893       (LilyPond-insert-tag)
 894     (message "No tag was selected from LilyPond->Insert tag-menu.")))
 895
 896 (defun LilyPond-insert-tag ()
 897   "Insert syntax for given tag. The definitions are in LilyPond-words-filename."
 898   (interactive)
 899   (setq b (find-file-noselect (LilyPond-words-filename) t t))
 900   (let ((word LilyPond-insert-tag-current)
 901         (found nil)
 902         (p nil)
 903         (query nil)
 904         (m (set-marker (make-marker) 1 (get-buffer b)))
 905         (distance (if (LilyPond-mark-active)
 906                       (abs (- (mark-marker) (point-marker))) 0))
 907        )
 908    ;; find the place first
 909    (if (LilyPond-mark-active)
 910        (goto-char (min (mark-marker) (point-marker))))
 911    (while (and (not found) (> (get-buffer-size b) (marker-position m)))
 912     (setq copy (car (copy-alist (list (eval (symbol-name (read m)))))))
 913     (if (string-equal word copy) (setq found t)))
 914    (if found (insert word))
 915    (if (> (get-buffer-size b) (marker-position m))
 916        (setq copy (car (copy-alist (list (eval (symbol-name (read m))))))))
 917    (if (not (string-equal "-" copy))
 918        (setq found nil))
 919    (while (and found (> (get-buffer-size b) (marker-position m)))
 920     ;; find next symbol
 921     (setq copy (car (copy-alist (list (eval (symbol-name (read m)))))))
 922     ;; check whether it is the word, or the word has been found
 923     (cond
 924      ((string-equal "-" copy) (setq found nil))
 925      ((string-equal "%" copy) (insert " " (read-string "Give Arguments: ")))
 926      ((string-equal "_" copy)
 927       (progn
 928        (setq p (point))
 929        (goto-char (+ p distance))))
 930      ((string-equal "\?" copy) (setq query t))
 931      ((string-equal "\!" copy) (setq query nil))
 932      ((string-equal "\\n" copy)
 933       (if (not query)
 934        (progn (LilyPond-indent-line) (insert "\n") (LilyPond-indent-line))))
 935      ((string-equal "{" copy)
 936       (if (not query)
 937           (progn (insert " { "))))
 938      ((string-equal "}" copy)
 939       (if (not query)
 940        (progn (insert " } ") (setq query nil) )))
 941      ((not query)
 942       (insert copy))
 943      (query
 944       (if (y-or-n-p (concat "Proceed with `" copy "'? "))
 945        (progn (insert copy) (setq query nil))))
 946    ))
 947    (if p (goto-char p))
 948    (kill-buffer b))
 949 )
 950
 951 (defun LilyPond-command-menu-entry (entry)
 952   ;; Return LilyPond-command-alist ENTRY as a menu item.
 953   (let ((name (car entry)))
 954     (cond ((and (string-equal name LilyPond-command-Print)
 955                 LilyPond-printer-list)
 956            (let ((command LilyPond-print-command)
 957                  (lookup 1))
 958              (append (list LilyPond-command-Print)
 959                      (mapcar 'LilyPond-command-menu-printer-entry
 960                              LilyPond-printer-list))))
 961           (t
 962            (vector name (list 'LilyPond-command-menu name) t)))))
 963
 964
 965 (easy-menu-define LilyPond-command-menu
 966   LilyPond-mode-map
 967   "Menu used in LilyPond mode."
 968   (append '("Command")
 969           '(("Command on"
 970              [ "Master File" LilyPond-command-select-master
 971                :keys "C-c C-c" :style radio
 972                :selected (eq LilyPond-command-current 'LilyPond-command-master) ]
 973              [ "Buffer" LilyPond-command-select-buffer
 974                :keys "C-c C-b" :style radio
 975                :selected (eq LilyPond-command-current 'LilyPond-command-buffer) ]
 976              [ "Region" LilyPond-command-select-region
 977                :keys "C-c C-r" :style radio
 978                :selected (eq LilyPond-command-current 'LilyPond-command-region) ]))
 979 ;;;       (let ((file 'LilyPond-command-on-current))
 980 ;;;         (mapcar 'LilyPond-command-menu-entry LilyPond-command-alist))
 981 ;;; Some kind of mapping which includes :keys might be more elegant
 982 ;;; Put keys to LilyPond-command-alist and fetch them from there somehow.
 983           '([ "LilyPond" LilyPond-command-lilypond t])
 984           '([ "TeX" (LilyPond-command (LilyPond-command-menu "TeX") 'LilyPond-get-master-file) ])
 985           '([ "2Dvi" LilyPond-command-formatdvi t])
 986           '([ "2PS" LilyPond-command-formatps t])
 987           '([ "2Midi" LilyPond-command-formatmidi t])
 988           '([ "Book" (LilyPond-command (LilyPond-command-menu "Book") 'LilyPond-get-master-file) ])
 989           '([ "LaTeX" (LilyPond-command (LilyPond-command-menu "LaTeX") 'LilyPond-get-master-file) ])
 990           '([ "Kill jobs" LilyPond-kill-jobs t])
 991           '("-----")
 992           '([ "View" LilyPond-command-view t])
 993           '([ "ViewPS" LilyPond-command-viewps t])
 994           '("-----")
 995           '([ "Midi (toggle)" LilyPond-command-current-midi t])
 996           '([ "Midi all" LilyPond-command-all-midi t])
 997           ))
 998
 999 (defun LilyPond-menu-keywords-item (arg)
1000   "Make vector for LilyPond-mode-keywords."
1001   (vector arg (list 'LilyPond-insert-tag-current arg) :style 'radio :selected (list 'eq 'LilyPond-insert-tag-current arg)))
1002
1003 (defun LilyPond-menu-keywords ()
1004   "Make Insert Tag menu.
1005
1006 The Insert Tag -menu is splitted into parts if it is long enough."
1007
1008   (let ((li (mapcar 'LilyPond-menu-keywords-item LilyPond-menu-keywords))
1009         (w (round (sqrt (length LilyPond-menu-keywords))))
1010         (splitted '())
1011         (imin 0) imax lw rw)
1012     (while (< imin (length LilyPond-menu-keywords))
1013       (setq imax (- (min (+ imin w) (length LilyPond-menu-keywords)) 1))
1014       (setq lw (nth imin LilyPond-menu-keywords))
1015       (setq rw (nth imax LilyPond-menu-keywords))
1016       (add-to-list 'splitted
1017          (let ((l (list (concat (substring lw 0 (min 7 (length lw)))
1018                                 " ... "
1019                                 (substring rw 0 (min 7 (length rw)))))))
1020            (while (<= imin imax)
1021              (add-to-list 'l (nth imin li))
1022              (setq imin (1+ imin)))
1023            (reverse l))))
1024     (if (> (length LilyPond-menu-keywords) 12) (reverse splitted) li)))
1025
1026 ;;; LilyPond-mode-menu should not be interactive, via "M-x LilyPond-<Tab>"
1027 (easy-menu-define LilyPond-mode-menu
1028   LilyPond-mode-map
1029   "Menu used in LilyPond mode."
1030   (append '("LilyPond")
1031           '(["Add index menu" LilyPond-add-imenu-menu])
1032           (list (cons "Insert tag"
1033                 (cons ["Previously selected" LilyPond-insert-tag-current t]
1034                 (cons "-----"
1035                       (LilyPond-menu-keywords)))))
1036           '(("Miscellaneous"
1037              ["Autocompletion"   LilyPond-autocompletion t]
1038              ["(Un)comment Region" LilyPond-comment-region t]
1039              ["Refontify buffer" font-lock-fontify-buffer t]
1040              "-----"
1041              ["Quick Insert Mode"  LilyPond-quick-insert-mode :keys "C-c q"]
1042              ))
1043           '(("Info"
1044              ["LilyPond" LilyPond-info t]
1045              ["LilyPond index-search" LilyPond-info-index-search t]
1046              ["Music Glossary" LilyPond-music-glossary-info t]
1047              ["LilyPond internals" LilyPond-internals-info t]
1048              ))
1049           ))
1050
1051 (defconst LilyPond-imenu-generic-re "^\\([a-zA-Z]+\\) *="
1052   "Regexp matching Identifier definitions.")
1053
1054 (defvar LilyPond-imenu-generic-expression
1055   (list (list nil LilyPond-imenu-generic-re 1))
1056   "Expression for imenu")
1057
1058 (defun LilyPond-command-select-master ()
1059   (interactive)
1060   (message "Next command will be on the master file")
1061   (setq LilyPond-command-current 'LilyPond-command-master))
1062
1063 (defun LilyPond-command-select-buffer ()
1064   (interactive)
1065   (message "Next command will be on the buffer")
1066   (setq LilyPond-command-current 'LilyPond-command-buffer))
1067
1068 (defun LilyPond-command-select-region ()
1069   (interactive)
1070   (message "Next command will be on the region")
1071   (setq LilyPond-command-current 'LilyPond-command-region))
1072
1073 (defun LilyPond-command-menu (name)
1074   ;; Execute LilyPond-command-alist NAME from a menu.
1075   (let ((LilyPond-command-force name))
1076     (if (eq LilyPond-command-current 'LilyPond-command-region)
1077         (if (eq (mark t) nil)
1078             (progn (message "The mark is not set now") (sit-for 0 500))
1079           (progn (if (not (not (LilyPond-mark-active)))
1080                      (progn (message "Region is not active, using region between inactive mark and current point.") (sit-for 0 500)))
1081                  (LilyPond-command-region (mark t) (point))))
1082       (funcall LilyPond-command-current))))
1083
1084 (defun LilyPond-add-imenu-menu ()
1085   (interactive)
1086   "Add an imenu menu to the menubar."
1087   (if (not LilyPond-imenu)
1088       (progn
1089         (imenu-add-to-menubar "Index")
1090         (redraw-frame (selected-frame))
1091         (setq LilyPond-imenu t))
1092     (message "%s" "LilyPond-imenu already exists.")))
1093 (put 'LilyPond-add-imenu-menu 'menu-enable '(not LilyPond-imenu))
1094
1095 (defun LilyPond-mode ()
1096   "Major mode for editing LilyPond music files.
1097
1098 This mode knows about LilyPond keywords and line comments, not about
1099 indentation or block comments.  It features easy compilation, error
1100 finding and viewing of a LilyPond source buffer or region.
1101
1102 COMMANDS
1103 \\{LilyPond-mode-map}
1104 VARIABLES
1105
1106 LilyPond-command-alist\t\talist from name to command
1107 LilyPond-dvi-command\t\tcommand to display dvi files -- bit superfluous"
1108   (interactive)
1109   ;; set up local variables
1110   (kill-all-local-variables)
1111
1112   (make-local-variable 'font-lock-defaults)
1113   (setq font-lock-defaults '(LilyPond-font-lock-keywords))
1114
1115   ;; string and comments are fontified explicitly
1116   (make-local-variable 'font-lock-keywords-only)
1117   (setq font-lock-keywords-only t)
1118
1119   ;; Multi-line font-locking needs Emacs 21.1 or newer.
1120   ;; For older versions there is hotkey "C-c f".
1121   (make-local-variable 'font-lock-multiline)
1122   (setq font-lock-multiline t)
1123
1124   (make-local-variable 'paragraph-separate)
1125   (setq paragraph-separate "^[ \t]*$")
1126
1127   (make-local-variable 'paragraph-start)
1128   (setq paragraph-start "^[ \t]*$")
1129
1130   (make-local-variable 'comment-start)
1131   (setq comment-start "%")
1132
1133   (make-local-variable 'comment-start-skip)
1134   (setq comment-start-skip "%{? *")
1135
1136   (make-local-variable 'comment-end)
1137   (setq comment-end "")
1138
1139   (make-local-variable 'block-comment-start)
1140   (setq block-comment-start "%{")
1141
1142   (make-local-variable 'block-comment-end)
1143   (setq block-comment-end   "%}")
1144
1145   (make-local-variable 'indent-line-function)
1146   (setq indent-line-function 'LilyPond-indent-line)
1147
1148   (LilyPond-mode-set-syntax-table '(?\< ?\> ?\{ ?\}))
1149   (setq major-mode 'LilyPond-mode)
1150   (setq mode-name "LilyPond")
1151   (setq local-abbrev-table LilyPond-mode-abbrev-table)
1152   (use-local-map LilyPond-mode-map)
1153
1154   ;; In XEmacs imenu was synched up with: FSF 20.4
1155   (make-local-variable 'imenu-generic-expression)
1156   (setq imenu-generic-expression LilyPond-imenu-generic-expression)
1157   ;; (imenu-add-to-menubar "Index") ; see LilyPond-add-imenu-menu
1158
1159   ;; In XEmacs one needs to use 'easy-menu-add'.
1160   (if (string-match "XEmacs\\|Lucid" emacs-version)
1161       (progn
1162         (easy-menu-add LilyPond-mode-menu)
1163         (easy-menu-add LilyPond-command-menu)))
1164
1165   ;; Use Command on Region even for inactive mark (region).
1166   (if (string-match "XEmacs\\|Lucid" emacs-version)
1167       (setq zmacs-regions nil)
1168     (setq mark-even-if-inactive t))
1169
1170   ;; Context dependent syntax tables in LilyPond-mode
1171   (make-local-hook 'post-command-hook) ; XEmacs requires
1172   (add-hook 'post-command-hook 'LilyPond-mode-context-set-syntax-table nil t)
1173
1174   ;; Turn on paren-mode buffer-locally, i.e., in LilyPond-mode
1175   (if (string-match "XEmacs\\|Lucid" emacs-version)
1176       (progn
1177         (make-local-variable 'paren-mode)
1178         (paren-set-mode 'paren)
1179         (make-local-variable 'blink-matching-paren)
1180         (setq blink-matching-paren t)
1181         )
1182     (progn
1183       (make-local-variable 'blink-matching-paren-on-screen)
1184       (setq blink-matching-paren-on-screen t)
1185      ))
1186
1187   ;; run the mode hook. LilyPond-mode-hook use is deprecated
1188   (run-hooks 'LilyPond-mode-hook))
1189
1190 (defun LilyPond-version ()
1191   "Echo the current version of `LilyPond-mode' in the minibuffer."
1192   (interactive)
1193   (message "Using `LilyPond-mode' version %s" LilyPond-version))
1194
1195 (load-library "lilypond-font-lock")
1196 (load-library "lilypond-indent")
1197 (load-library "lilypond-what-beat")
1198
1199 (defun LilyPond-guile ()
1200   (interactive)
1201   (require 'ilisp)
1202   (guile "lilyguile" (LilyPond-command-expand (cadr (assoc "2Dvi" LilyPond-command-alist))
1203                                               (funcall 'LilyPond-get-master-file)))
1204   (comint-default-send (ilisp-process) "(define-module (*anonymous-ly-0*))")
1205   (comint-default-send (ilisp-process) "(set! %load-path (cons \"/usr/share/ilisp/\" %load-path))")
1206   (comint-default-send (ilisp-process) "(use-modules (guile-user) (guile-ilisp))")
1207   (comint-default-send (ilisp-process) "(newline)"))
1208
1209 (provide 'lilypond-mode)
1210 ;;; lilypond-mode.el ends here
1211