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--2005 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-rexp (start end rexp)
 371   "Print number of found regular expressions in the region."
 372   (interactive "r")
 373   (save-excursion
 374     (save-restriction
 375       (narrow-to-region start end)
 376       (goto-char (point-min))
 377       (count-matches rexp))))
 378
 379 (defun count-midi-words ()
 380   "Check number of midi-scores before the curser."
 381   (if (eq LilyPond-command-current 'LilyPond-command-region)
 382       (count-rexp (mark t) (point) "\\\\midi")
 383     (count-rexp (point-min) (point-max) "\\\\midi")))
 384
 385 (defun count-midi-words-backwards ()
 386   "Check number of midi-scores before the curser."
 387   (if (eq LilyPond-command-current 'LilyPond-command-region)
 388       (count-rexp (mark t) (point) "\\\\midi")
 389     (count-rexp (point-min) (point) "\\\\midi")))
 390
 391 (defun LilyPond-string-current-midi ()
 392   "Check the midi file of the following midi-score in the current document."
 393   (let ((fnameprefix (if (eq LilyPond-command-current 'LilyPond-command-master)
 394                          (substring (LilyPond-get-master-file) 0 -3); suppose ".ly"
 395                        LilyPond-region-file-prefix))
 396         (allcount (string-to-number (substring (count-midi-words) 0 -12)))
 397         (count (string-to-number (substring (count-midi-words-backwards) 0 -12))))
 398     (concat  fnameprefix
 399              (if (and (> allcount 1) (> count 0)) ; not first score
 400                  (if (eq count allcount)          ; last score
 401                      (concat "-" (number-to-string (+ count -1)))
 402                    (concat "-" (number-to-string count))))
 403              ".midi")))
 404
 405 (defun LilyPond-string-all-midi ()
 406   "Return the midi files of the current document in ascending order."
 407   (let ((fnameprefix (if (eq LilyPond-command-current 'LilyPond-command-master)
 408                          (substring (LilyPond-get-master-file) 0 -3); suppose ".ly"
 409                        LilyPond-region-file-prefix))
 410         (allcount (string-to-number (substring (count-midi-words) 0 -12))))
 411     (concat (if (> allcount 0)  ; at least one midi-score
 412                 (concat fnameprefix ".midi "))
 413             (if (> allcount 1)  ; more than one midi-score
 414                 (concat fnameprefix "-[1-9].midi "))
 415             (if (> allcount 9)  ; etc.
 416                 (concat fnameprefix "-[1-9][0-9].midi"))
 417             (if (> allcount 99) ; not first score
 418                 (concat fnameprefix "-[1-9][0-9][0-9].midi")))))
 419
 420 ;; This is the major configuration variable.
 421 (defcustom LilyPond-command-alist
 422   ;; Should expand this to include possible keyboard shortcuts which
 423   ;; could then be mapped to define-key and menu.
 424   `(
 425     ("LilyPond" . (,(concat LilyPond-lilypond-command " %s") "%s" "%l" "View"))
 426     ("TeX" . ("tex '\\nonstopmode\\input %t'" "%t" "%d" "ViewDVI"))
 427     ("2Dvi" . (,(concat LilyPond-lilypond-command " -b tex %s") "%s" "%d" "LaTeX"))
 428     ("2PS" . (,(concat LilyPond-lilypond-command " -f ps %s") "%s" "%p" "ViewPS"))
 429     ("2Gnome" . (,(concat LilyPond-lilypond-command " -b gnome %s")))
 430
 431     ("Book" . ("lilypond-book %x" "%x" "%l" "LaTeX"))
 432     ("LaTeX" . ("latex '\\nonstopmode\\input %l'" "%l" "%d" "ViewDVI"))
 433
 434     ;; refreshes when kicked USR1
 435     ("View" . (,(concat LilyPond-pdf-command " %f")))
 436     ("ViewPDF" . (,(concat LilyPond-pdf-command " %f")))
 437     ("ViewDVI" . (,(concat LilyPond-dvi-command " %d")))
 438     ("ViewPS" . (,(concat LilyPond-ps-command " %p")))
 439
 440     ;; The following are refreshed in LilyPond-command:
 441     ;; - current-midi depends on cursor position and
 442     ("Midi" . (,(concat LilyPond-midi-command " " (LilyPond-string-current-midi)))) ;
 443     ;; - all-midi depends on number of midi-score.
 444     ("MidiAll" . (,(concat LilyPond-all-midi-command " " (LilyPond-string-all-midi))))
 445     )
 446
 447   "AList of commands to execute on the current document.
 448
 449 The key is the name of the command as it will be presented to the
 450 user, the value is a cons of the command string handed to the shell
 451 after being expanded, and the next command to be executed upon
 452 success.  The expansion is done using the information found in
 453 LilyPond-expand-list.
 454 "
 455   :group 'LilyPond
 456   :type '(repeat (cons :tag "Command Item"
 457                        (string :tag "Key")
 458                        (cons :tag "How"
 459                         (string :tag "Command")
 460                         (string :tag "Next Key")))))
 461
 462 ;; drop this?
 463 (defcustom LilyPond-file-extension ".ly"
 464   "*File extension used in LilyPond sources."
 465   :group 'LilyPond
 466   :type 'string)
 467
 468
 469 (defcustom LilyPond-expand-alist
 470   '(
 471     ("%s" . ".ly")
 472     ("%t" . ".tex")
 473     ("%d" . ".dvi")
 474     ("%f" . ".pdf")
 475     ("%p" . ".ps")
 476     ("%l" . ".tex")
 477     ("%x" . ".tely")
 478     ("%m" . ".midi")
 479     )
 480
 481   "Alist of expansion strings for LilyPond command names."
 482   :group 'LilyPond
 483   :type '(repeat (cons :tag "Alist item"
 484                   (string :tag "Symbol")
 485                   (string :tag "Expansion"))))
 486
 487
 488 (defcustom LilyPond-command-Show "View"
 489   "*The default command to show (view or print) a LilyPond file.
 490 Must be the car of an entry in `LilyPond-command-alist'."
 491   :group 'LilyPond
 492   :type 'string)
 493   (make-variable-buffer-local 'LilyPond-command-Show)
 494
 495 (defcustom LilyPond-command-Print "Print"
 496   "The name of the Print entry in LilyPond-command-Print."
 497   :group 'LilyPond
 498   :type 'string)
 499
 500 (defun LilyPond-find-required-command (command file)
 501   "Find the first command in the chain that is needed to run
 502  (input file is newer than the output file)"
 503   (let* ((entry (cdr (assoc command LilyPond-command-alist)))
 504         (next-command (nth 3 entry)))
 505     (if (null next-command)
 506         command
 507       (let* ((src-string (nth 1 entry))
 508             (input (LilyPond-command-expand src-string file))
 509             (output (LilyPond-command-expand (nth 2 entry) file)))
 510         (if (or (file-newer-than-file-p input output)
 511                 (and (equal "%s" src-string)
 512                      (not (equal (buffer-name) file))
 513                      (file-newer-than-file-p (buffer-name)
 514                                              output)))
 515             command
 516           (LilyPond-find-required-command next-command file))))))
 517
 518 (defun LilyPond-command-query (name)
 519   "Query the user for what LilyPond command to use."
 520   (cond ((string-equal name LilyPond-region-file-prefix)
 521          (LilyPond-check-files (concat name ".tex")
 522                                (list name)
 523                                (list LilyPond-file-extension)))
 524         ((verify-visited-file-modtime (current-buffer))
 525          (and (buffer-modified-p)
 526               (y-or-n-p "Save buffer before next command? ")
 527               (LilyPond-save-buffer)))
 528         ((y-or-n-p "The command will be invoked to an already saved buffer. Revert it? ")
 529          (revert-buffer t t)))
 530
 531   (let* ((default (LilyPond-find-required-command LilyPond-command-next name))
 532          (completion-ignore-case t)
 533          (answer (or LilyPond-command-force
 534                      (completing-read
 535                       (concat "Command: (default " default ") ")
 536                       LilyPond-command-alist nil t nil 'LilyPond-command-history))))
 537
 538     ;; If the answer is "LilyPond" it will not be expanded to "LilyPond"
 539     (let ((answer (car-safe (assoc answer LilyPond-command-alist))))
 540       (if (and answer
 541                (not (string-equal answer "")))
 542           answer
 543         default))))
 544
 545 (defun LilyPond-command-master ()
 546   "Run command on the current document."
 547   (interactive)
 548   (LilyPond-command-select-master)
 549   (LilyPond-command (LilyPond-command-query (LilyPond-get-master-file))
 550                     'LilyPond-get-master-file))
 551
 552 (defun LilyPond-command-lilypond ()
 553   "Run lilypond for the current document."
 554   (interactive)
 555   (LilyPond-command (LilyPond-command-menu "LilyPond") 'LilyPond-get-master-file)
 556 )
 557
 558 (defun LilyPond-command-formatdvi ()
 559   "Format the dvi output of the current document."
 560   (interactive)
 561   (LilyPond-command (LilyPond-command-menu "2Dvi") 'LilyPond-get-master-file)
 562 )
 563
 564 (defun LilyPond-command-formatps ()
 565   "Format the ps output of the current document."
 566   (interactive)
 567   (LilyPond-command (LilyPond-command-menu "2PS") 'LilyPond-get-master-file)
 568 )
 569
 570 (defun LilyPond-command-formatgnome ()
 571   "Format the gnome output of the current document."
 572   (interactive)
 573   (LilyPond-command (LilyPond-command-menu "2Gnome") 'LilyPond-get-master-file))
 574
 575 (defun LilyPond-command-formatmidi ()
 576   "Format the midi output of the current document."
 577   (interactive)
 578   (LilyPond-command (LilyPond-command-menu "2Midi") 'LilyPond-get-master-file))
 579
 580 (defun LilyPond-command-view ()
 581   "View the output of current document."
 582   (interactive)
 583   (LilyPond-command-viewpdf))
 584
 585 (defun LilyPond-command-viewpdf ()
 586   "View the ps output of current document."
 587   (interactive)
 588   (LilyPond-command (LilyPond-command-menu "ViewPDF") 'LilyPond-get-master-file))
 589
 590 (defun LilyPond-command-viewps ()
 591   "View the ps output of current document."
 592   (interactive)
 593   (LilyPond-command (LilyPond-command-menu "ViewPS") 'LilyPond-get-master-file))
 594
 595 ;; FIXME, this is broken
 596 (defun LilyPond-region-file (begin end)
 597   (let (
 598         ;; (dir "./")
 599         (dir (LilyPond-temp-directory))
 600         (base LilyPond-region-file-prefix)
 601         (ext LilyPond-file-extension))
 602     (concat dir base ext)))
 603
 604 ;;; Commands on Region work if there is an appropriate '\score'.
 605 (defun LilyPond-command-region (begin end)
 606   "Run LilyPond on the current region."
 607   (interactive "r")
 608   (if (or (> begin (point-min)) (< end (point-max)))
 609       (LilyPond-command-select-region))
 610   (write-region begin end (LilyPond-region-file begin end) nil 'nomsg)
 611   (LilyPond-command (LilyPond-command-query
 612                      (LilyPond-region-file begin end))
 613                     '(lambda () (LilyPond-region-file begin end)))
 614   ;; Region may deactivate even if buffer was intact, reactivate?
 615   ;; Currently, also deactived regions are used.
 616   )
 617
 618 (defun LilyPond-command-buffer ()
 619   "Run LilyPond on buffer."
 620   (interactive)
 621   (LilyPond-command-select-buffer)
 622   (LilyPond-command-region (point-min) (point-max)))
 623
 624 (defun LilyPond-command-expand (string file)
 625   (let ((case-fold-search nil))
 626     (if (string-match "%" string)
 627         (let* ((b (match-beginning 0))
 628                (e (+ b 2))
 629                (l (split-file-name file))
 630                (dir (car l))
 631                (base (cadr l)))
 632           (LilyPond-command-expand
 633            (concat (substring string 0 b)
 634                    dir
 635                    base
 636                    (let ((entry (assoc (substring string b e)
 637                                        LilyPond-expand-alist)))
 638                      (if entry (cdr entry) ""))
 639                    (substring string e))
 640            file))
 641       string)))
 642
 643 (defun LilyPond-shell-process (name buffer command)
 644   (let ((old (current-buffer)))
 645     (switch-to-buffer-other-window buffer)
 646     ;; If we empty the buffer don't see messages scroll by.
 647     ;; (erase-buffer)
 648
 649     (start-process-shell-command name buffer command)
 650     (switch-to-buffer-other-window old)))
 651
 652
 653 (defun LilyPond-command (name file)
 654   "Run command NAME on the file you get by calling FILE.
 655
 656 FILE is a function return a file name.  It has one optional argument,
 657 the extension to use on the file.
 658
 659 Use the information in LilyPond-command-alist to determine how to run the
 660 command."
 661
 662   (let ((entry (assoc name LilyPond-command-alist)))
 663     (if entry
 664         (let ((command (LilyPond-command-expand (cadr entry)
 665                                                 (apply file nil)))
 666               (jobs nil)
 667               (job-string "no jobs"))
 668           (if (member name (list "View" "ViewPS"))
 669               ;; is USR1 a right signal for viewps?
 670               (let ((buffer-xdvi (get-buffer-create (concat "*" name "*"))))
 671                 ;; what if XEDITOR is set to gedit or so, should we steal it?
 672                 (if (not (getenv "XEDITOR"))
 673                     (setenv "XEDITOR" "emacsclient --no-wait +%l:%c %f"))
 674                 (if LilyPond-kick-xdvi
 675                   (let ((process-xdvi (get-buffer-process buffer-xdvi)))
 676                     (if process-xdvi
 677                         (signal-process (process-id process-xdvi) 'SIGUSR1)
 678                       (LilyPond-shell-process name buffer-xdvi command)))
 679                   (LilyPond-shell-process name buffer-xdvi command)))
 680             (progn
 681               (if (string-equal name "Midi")
 682                   (progn
 683                     (setq command (concat LilyPond-midi-command " " (LilyPond-string-current-midi)))
 684                     (if (LilyPond-kill-midi)
 685                         (setq job-string nil)))) ; either stop or start playing
 686               (if (string-equal name "MidiAll")
 687                   (progn
 688                     (setq command (concat LilyPond-all-midi-command " " (LilyPond-string-all-midi)))
 689                     (LilyPond-kill-midi))) ; stop and start playing
 690               (if (and (member name (list "Midi" "MidiAll")) job-string)
 691                   (if (file-newer-than-file-p
 692                        (LilyPond-get-master-file)
 693                        (concat (substring (LilyPond-get-master-file) 0 -3) ".midi"))
 694                       (if (y-or-n-p "Midi older than source. Reformat midi?")
 695                           (progn
 696                             (LilyPond-command-formatmidi)
 697                             (while (LilyPond-running)
 698                               (message "Starts playing midi once it is built.")
 699                               (sit-for 0 100))))))
 700               (if (member name (list "LilyPond" "TeX" "2Midi" "2PS" "2Dvi"
 701                                      "Book" "LaTeX"))
 702                   (if (setq jobs (LilyPond-running))
 703                       (progn
 704                         (setq job-string "Process") ; could also suggest compiling after process has ended
 705                         (while jobs
 706                           (setq job-string (concat job-string " \"" (pop jobs) "\"")))
 707                         (setq job-string (concat job-string " is already running; kill it to proceed "))
 708                         (if (y-or-n-p job-string)
 709                             (progn
 710                               (setq job-string "no jobs")
 711                               (LilyPond-kill-jobs)
 712                               (while (LilyPond-running)
 713                                 (sit-for 0 100)))
 714                           (setq job-string nil)))))
 715
 716               (setq LilyPond-command-next
 717                     (let* ((entry (assoc name LilyPond-command-alist))
 718                            (next-command (nth 3 (cdr entry))))
 719                       (or next-command
 720                           LilyPond-command-default)))
 721
 722               (if (string-equal job-string "no jobs")
 723                   (LilyPond-compile-file command name))))))))
 724
 725 (defun LilyPond-mark-active ()
 726   "Check if there is an active mark."
 727   (and transient-mark-mode
 728        (if (string-match "XEmacs\\|Lucid" emacs-version) (mark) mark-active)))
 729
 730 (defun LilyPond-temp-directory ()
 731   "Temporary file directory for Commands on Region."
 732   (interactive)
 733   (if (string-match "XEmacs\\|Lucid" emacs-version)
 734       (concat (temp-directory) "/")
 735     temporary-file-directory))
 736
 737 ;;; Keymap
 738
 739 (defvar LilyPond-mode-map ()
 740   "Keymap used in `LilyPond-mode' buffers.")
 741
 742 ;; Note:  if you make changes to the map, you must do
 743 ;;    M-x set-variable LilyPond-mode-map nil
 744 ;;    M-x eval-buffer
 745 ;;    M-x LilyPond-mode
 746 ;; to let the changest take effect
 747
 748 (if LilyPond-mode-map
 749     ()
 750   (setq LilyPond-mode-map (make-sparse-keymap))
 751   ;; Put keys to LilyPond-command-alist and fetch them from there somehow.
 752   (define-key LilyPond-mode-map "\C-c\C-l" 'LilyPond-command-lilypond)
 753   (define-key LilyPond-mode-map "\C-c\C-r" 'LilyPond-command-region)
 754   (define-key LilyPond-mode-map "\C-c\C-b" 'LilyPond-command-buffer)
 755   (define-key LilyPond-mode-map "\C-c\C-k" 'LilyPond-kill-jobs)
 756   (define-key LilyPond-mode-map "\C-c\C-c" 'LilyPond-command-master)
 757   (define-key LilyPond-mode-map "\C-cm" 'LilyPond-command-formatmidi)
 758   (define-key LilyPond-mode-map "\C-c\C-d" 'LilyPond-command-formatdvi)
 759   (define-key LilyPond-mode-map "\C-c\C-f" 'LilyPond-command-formatps)
 760   (define-key LilyPond-mode-map "\C-c\C-g" 'LilyPond-command-formatgnome)
 761   (define-key LilyPond-mode-map "\C-c\C-s" 'LilyPond-command-view)
 762   (define-key LilyPond-mode-map "\C-c\C-p" 'LilyPond-command-viewps)
 763   (define-key LilyPond-mode-map [(control c) return] 'LilyPond-command-current-midi)
 764   (define-key LilyPond-mode-map [(control c) (control return)] 'LilyPond-command-all-midi)
 765   (define-key LilyPond-mode-map "\C-x\C-s" 'LilyPond-save-buffer)
 766   (define-key LilyPond-mode-map "\C-cb" 'LilyPond-what-beat)
 767   (define-key LilyPond-mode-map "\C-cf" 'font-lock-fontify-buffer)
 768   (define-key LilyPond-mode-map "\C-ci" 'LilyPond-insert-tag-current)
 769   ;; the following will should be overriden by Lilypond Quick Insert Mode
 770   (define-key LilyPond-mode-map "\C-cq" 'LilyPond-quick-insert-mode)
 771   (define-key LilyPond-mode-map "\C-c;" 'LilyPond-comment-region)
 772   (define-key LilyPond-mode-map ")" 'LilyPond-electric-close-paren)
 773   (define-key LilyPond-mode-map ">" 'LilyPond-electric-close-paren)
 774   (define-key LilyPond-mode-map "}" 'LilyPond-electric-close-paren)
 775   (define-key LilyPond-mode-map "]" 'LilyPond-electric-close-paren)
 776   (define-key LilyPond-mode-map "|" 'LilyPond-electric-bar)
 777   (if (string-match "XEmacs\\|Lucid" emacs-version)
 778       (define-key LilyPond-mode-map [iso-left-tab] 'LilyPond-autocompletion)
 779     (define-key LilyPond-mode-map [iso-lefttab] 'LilyPond-autocompletion))
 780   (define-key LilyPond-mode-map "\C-c\t" 'LilyPond-info-index-search)
 781   )
 782
 783 ;;; Menu Support
 784
 785 ;;; This mode was originally LilyPond-quick-note-insert by Heikki Junes.
 786 ;;; The original version has been junked since CVS-1.97,
 787 ;;; in order to merge the efforts done by Nicolas Sceaux.
 788 ;;; LilyPond Quick Insert Mode is a major mode, toggled by C-c q.
 789 (defun LilyPond-quick-insert-mode ()
 790   "Insert notes with fewer key strokes by using a simple keyboard piano."
 791   (interactive)
 792   (progn
 793     (message "Invoke (C-c q) from keyboard. If you still see this message,") (sit-for 5 0)
 794     (message "then you have not installed LilyPond Quick Insert Mode (lyqi).") (sit-for 5 0)
 795     (message "Download lyqi from http://nicolas.sceaux.free.fr/lilypond/lyqi.html,") (sit-for 5 0)
 796     (message "see installation instructions from lyqi's README -file.") (sit-for 5 0)
 797     (message "You need also eieio (Enhanced Integration of Emacs Interpreted Objects).") (sit-for 5 0)
 798     (message "Download eieio from http://cedet.sourceforge.net/eieio.shtml,") (sit-for 5 0)
 799     (message "see installation instructions from eieio's INSTALL -file.") (sit-for 5 0)
 800     (message "")
 801     ))
 802
 803 (defun LilyPond-pre-word-search ()
 804   "Fetch the alphabetic characters and \\ in front of the cursor."
 805   (let ((pre "")
 806         (prelen 0)
 807         (ch (char-before (- (point) 0))))
 808     (while (and ch (or (and (>= ch 65) (<= ch 90))  ; not bolp, A-Z
 809                        (and (>= ch 97) (<= ch 122)) ; a-z
 810                        (= ch 92)))                  ; \\
 811       (setq pre (concat (char-to-string ch) pre))
 812       (setq prelen (+ prelen 1))
 813       (setq ch (char-before (- (point) prelen))))
 814     pre))
 815
 816 (defun LilyPond-post-word-search ()
 817   "Fetch the alphabetic characters behind the cursor."
 818   (let ((post "")
 819         (postlen 0)
 820         (ch (char-after (+ (point) 0))))
 821     (while (and ch (or (and (>= ch 65) (<= ch 90))    ; not eolp, A-Z
 822                        (and (>= ch 97) (<= ch 122)))) ; a-z
 823       (setq post (concat post (char-to-string ch)))
 824       (setq postlen (+ postlen 1))
 825       (setq ch (char-after (+ (point) postlen))))
 826     post))
 827
 828 (defun LilyPond-autocompletion ()
 829   "Show completions in mini-buffer for the given word."
 830   (interactive)
 831   (let ((pre (LilyPond-pre-word-search))
 832         (post (LilyPond-post-word-search))
 833         (compsstr ""))
 834     ;; insert try-completion and show all-completions
 835     (if (> (length pre) 0)
 836         (progn
 837           (setq trycomp (try-completion pre (LilyPond-add-dictionary-word ())))
 838           (if (char-or-string-p trycomp)
 839               (if (string-equal (concat pre post) trycomp)
 840                   (goto-char (+ (point) (length post)))
 841                 (progn
 842                   (delete-region (point) (+ (point) (length post)))
 843                   (insert (substring trycomp (length pre) nil))))
 844             (progn
 845               (delete-region (point) (+ (point) (length post)))
 846               (font-lock-fontify-buffer))) ; only inserting fontifies
 847
 848         (setq complist (all-completions pre (LilyPond-add-dictionary-word ())))
 849         (while (> (length complist) 0)
 850           (setq compsstr (concat compsstr "\"" (car complist) "\" "))
 851           (setq complist (cdr complist)))
 852         (message compsstr)
 853         (sit-for 0 100)))))
 854
 855 (defun LilyPond-info ()
 856   "Launch Info for lilypond."
 857   (interactive)
 858   (info "lilypond"))
 859
 860 (defun LilyPond-music-glossary-info ()
 861   "Launch Info for music-glossary."
 862   (interactive)
 863   (info "music-glossary"))
 864
 865 (defun LilyPond-internals-info ()
 866   "Launch Info for lilypond-internals."
 867   (interactive)
 868   (info "lilypond-internals"))
 869
 870 (defun LilyPond-info-index-search ()
 871   "In `*info*'-buffer, launch `info lilypond --index-search word-under-cursor'"
 872   (interactive)
 873   (let ((str (concat (LilyPond-pre-word-search) (LilyPond-post-word-search))))
 874     (if (and (> (length str) 0)
 875              (string-equal (substring str 0 1) "\\"))
 876         (setq str (substring str 1 nil)))
 877     (LilyPond-info)
 878     (Info-index str)))
 879
 880 (defun LilyPond-insert-tag-current (&optional word)
 881   "Set the current tag to be inserted."
 882   (interactive)
 883   (if word
 884       (setq LilyPond-insert-tag-current word))
 885   (if (memq LilyPond-insert-tag-current LilyPond-menu-keywords)
 886       (LilyPond-insert-tag)
 887     (message "No tag was selected from LilyPond->Insert tag-menu.")))
 888
 889 (defun LilyPond-insert-tag ()
 890   "Insert syntax for given tag. The definitions are in LilyPond-words-filename."
 891   (interactive)
 892   (setq b (find-file-noselect (LilyPond-words-filename) t t))
 893   (let ((word LilyPond-insert-tag-current)
 894         (found nil)
 895         (p nil)
 896         (query nil)
 897         (m (set-marker (make-marker) 1 (get-buffer b)))
 898         (distance (if (LilyPond-mark-active)
 899                       (abs (- (mark-marker) (point-marker))) 0))
 900        )
 901    ;; find the place first
 902    (if (LilyPond-mark-active)
 903        (goto-char (min (mark-marker) (point-marker))))
 904    (while (and (not found) (> (get-buffer-size b) (marker-position m)))
 905     (setq copy (car (copy-alist (list (eval (symbol-name (read m)))))))
 906     (if (string-equal word copy) (setq found t)))
 907    (if found (insert word))
 908    (if (> (get-buffer-size b) (marker-position m))
 909        (setq copy (car (copy-alist (list (eval (symbol-name (read m))))))))
 910    (if (not (string-equal "-" copy))
 911        (setq found nil))
 912    (while (and found (> (get-buffer-size b) (marker-position m)))
 913     ;; find next symbol
 914     (setq copy (car (copy-alist (list (eval (symbol-name (read m)))))))
 915     ;; check whether it is the word, or the word has been found
 916     (cond
 917      ((string-equal "-" copy) (setq found nil))
 918      ((string-equal "%" copy) (insert " " (read-string "Give Arguments: ")))
 919      ((string-equal "_" copy)
 920       (progn
 921        (setq p (point))
 922        (goto-char (+ p distance))))
 923      ((string-equal "\?" copy) (setq query t))
 924      ((string-equal "\!" copy) (setq query nil))
 925      ((string-equal "\\n" copy)
 926       (if (not query)
 927        (progn (LilyPond-indent-line) (insert "\n") (LilyPond-indent-line))))
 928      ((string-equal "{" copy)
 929       (if (not query)
 930           (progn (insert " { "))))
 931      ((string-equal "}" copy)
 932       (if (not query)
 933        (progn (insert " } ") (setq query nil) )))
 934      ((not query)
 935       (insert copy))
 936      (query
 937       (if (y-or-n-p (concat "Proceed with `" copy "'? "))
 938        (progn (insert copy) (setq query nil))))
 939    ))
 940    (if p (goto-char p))
 941    (kill-buffer b))
 942 )
 943
 944 (defun LilyPond-command-menu-entry (entry)
 945   ;; Return LilyPond-command-alist ENTRY as a menu item.
 946   (let ((name (car entry)))
 947     (cond ((and (string-equal name LilyPond-command-Print)
 948                 LilyPond-printer-list)
 949            (let ((command LilyPond-print-command)
 950                  (lookup 1))
 951              (append (list LilyPond-command-Print)
 952                      (mapcar 'LilyPond-command-menu-printer-entry
 953                              LilyPond-printer-list))))
 954           (t
 955            (vector name (list 'LilyPond-command-menu name) t)))))
 956
 957
 958 (easy-menu-define LilyPond-command-menu
 959   LilyPond-mode-map
 960   "Menu used in LilyPond mode."
 961   (append '("Command")
 962           '(("Command on"
 963              [ "Master File" LilyPond-command-select-master
 964                :keys "C-c C-c" :style radio
 965                :selected (eq LilyPond-command-current 'LilyPond-command-master) ]
 966              [ "Buffer" LilyPond-command-select-buffer
 967                :keys "C-c C-b" :style radio
 968                :selected (eq LilyPond-command-current 'LilyPond-command-buffer) ]
 969              [ "Region" LilyPond-command-select-region
 970                :keys "C-c C-r" :style radio
 971                :selected (eq LilyPond-command-current 'LilyPond-command-region) ]))
 972 ;;;       (let ((file 'LilyPond-command-on-current))
 973 ;;;         (mapcar 'LilyPond-command-menu-entry LilyPond-command-alist))
 974 ;;; Some kind of mapping which includes :keys might be more elegant
 975 ;;; Put keys to LilyPond-command-alist and fetch them from there somehow.
 976           '([ "LilyPond" LilyPond-command-lilypond t])
 977           '([ "TeX" (LilyPond-command (LilyPond-command-menu "TeX") 'LilyPond-get-master-file) ])
 978           '([ "2Dvi" LilyPond-command-formatdvi t])
 979           '([ "2PS" LilyPond-command-formatps t])
 980           '([ "2Midi" LilyPond-command-formatmidi t])
 981           '([ "Book" (LilyPond-command (LilyPond-command-menu "Book") 'LilyPond-get-master-file) ])
 982           '([ "LaTeX" (LilyPond-command (LilyPond-command-menu "LaTeX") 'LilyPond-get-master-file) ])
 983           '([ "Kill jobs" LilyPond-kill-jobs t])
 984           '("-----")
 985           '([ "View" LilyPond-command-view t])
 986           '([ "ViewPS" LilyPond-command-viewps t])
 987           '("-----")
 988           '([ "Midi (toggle)" LilyPond-command-current-midi t])
 989           '([ "Midi all" LilyPond-command-all-midi t])
 990           ))
 991
 992 (defun LilyPond-menu-keywords-item (arg)
 993   "Make vector for LilyPond-mode-keywords."
 994   (vector arg (list 'LilyPond-insert-tag-current arg) :style 'radio :selected (list 'eq 'LilyPond-insert-tag-current arg)))
 995
 996 (defun LilyPond-menu-keywords ()
 997   "Make Insert Tag menu.
 998
 999 The Insert Tag -menu is splitted into parts if it is long enough."
1000
1001   (let ((li (mapcar 'LilyPond-menu-keywords-item LilyPond-menu-keywords))
1002         (w (round (sqrt (length LilyPond-menu-keywords))))
1003         (splitted '())
1004         (imin 0) imax lw rw)
1005     (while (< imin (length LilyPond-menu-keywords))
1006       (setq imax (- (min (+ imin w) (length LilyPond-menu-keywords)) 1))
1007       (setq lw (nth imin LilyPond-menu-keywords))
1008       (setq rw (nth imax LilyPond-menu-keywords))
1009       (add-to-list 'splitted
1010          (let ((l (list (concat (substring lw 0 (min 7 (length lw)))
1011                                 " ... "
1012                                 (substring rw 0 (min 7 (length rw)))))))
1013            (while (<= imin imax)
1014              (add-to-list 'l (nth imin li))
1015              (setq imin (1+ imin)))
1016            (reverse l))))
1017     (if (> (length LilyPond-menu-keywords) 12) (reverse splitted) li)))
1018
1019 ;;; LilyPond-mode-menu should not be interactive, via "M-x LilyPond-<Tab>"
1020 (easy-menu-define LilyPond-mode-menu
1021   LilyPond-mode-map
1022   "Menu used in LilyPond mode."
1023   (append '("LilyPond")
1024           '(["Add index menu" LilyPond-add-imenu-menu])
1025           (list (cons "Insert tag"
1026                 (cons ["Previously selected" LilyPond-insert-tag-current t]
1027                 (cons "-----"
1028                       (LilyPond-menu-keywords)))))
1029           '(("Miscellaneous"
1030              ["Autocompletion"   LilyPond-autocompletion t]
1031              ["(Un)comment Region" LilyPond-comment-region t]
1032              ["Refontify buffer" font-lock-fontify-buffer t]
1033              "-----"
1034              ["Quick Insert Mode"  LilyPond-quick-insert-mode :keys "C-c q"]
1035              ))
1036           '(("Info"
1037              ["LilyPond" LilyPond-info t]
1038              ["LilyPond index-search" LilyPond-info-index-search t]
1039              ["Music Glossary" LilyPond-music-glossary-info t]
1040              ["LilyPond internals" LilyPond-internals-info t]
1041              ))
1042           ))
1043
1044 (defconst LilyPond-imenu-generic-re "^\\([a-zA-Z]+\\) *="
1045   "Regexp matching Identifier definitions.")
1046
1047 (defvar LilyPond-imenu-generic-expression
1048   (list (list nil LilyPond-imenu-generic-re 1))
1049   "Expression for imenu")
1050
1051 (defun LilyPond-command-select-master ()
1052   (interactive)
1053   (message "Next command will be on the master file")
1054   (setq LilyPond-command-current 'LilyPond-command-master))
1055
1056 (defun LilyPond-command-select-buffer ()
1057   (interactive)
1058   (message "Next command will be on the buffer")
1059   (setq LilyPond-command-current 'LilyPond-command-buffer))
1060
1061 (defun LilyPond-command-select-region ()
1062   (interactive)
1063   (message "Next command will be on the region")
1064   (setq LilyPond-command-current 'LilyPond-command-region))
1065
1066 (defun LilyPond-command-menu (name)
1067   ;; Execute LilyPond-command-alist NAME from a menu.
1068   (let ((LilyPond-command-force name))
1069     (if (eq LilyPond-command-current 'LilyPond-command-region)
1070         (if (eq (mark t) nil)
1071             (progn (message "The mark is not set now") (sit-for 0 500))
1072           (progn (if (not (not (LilyPond-mark-active)))
1073                      (progn (message "Region is not active, using region between inactive mark and current point.") (sit-for 0 500)))
1074                  (LilyPond-command-region (mark t) (point))))
1075       (funcall LilyPond-command-current))))
1076
1077 (defun LilyPond-add-imenu-menu ()
1078   (interactive)
1079   "Add an imenu menu to the menubar."
1080   (if (not LilyPond-imenu)
1081       (progn
1082         (imenu-add-to-menubar "Index")
1083         (redraw-frame (selected-frame))
1084         (setq LilyPond-imenu t))
1085     (message "%s" "LilyPond-imenu already exists.")))
1086 (put 'LilyPond-add-imenu-menu 'menu-enable '(not LilyPond-imenu))
1087
1088 (defun LilyPond-mode ()
1089   "Major mode for editing LilyPond music files.
1090
1091 This mode knows about LilyPond keywords and line comments, not about
1092 indentation or block comments.  It features easy compilation, error
1093 finding and viewing of a LilyPond source buffer or region.
1094
1095 COMMANDS
1096 \\{LilyPond-mode-map}
1097 VARIABLES
1098
1099 LilyPond-command-alist\t\talist from name to command
1100 LilyPond-dvi-command\t\tcommand to display dvi files -- bit superfluous"
1101   (interactive)
1102   ;; set up local variables
1103   (kill-all-local-variables)
1104
1105   (make-local-variable 'font-lock-defaults)
1106   (setq font-lock-defaults '(LilyPond-font-lock-keywords))
1107
1108   ;; string and comments are fontified explicitly
1109   (make-local-variable 'font-lock-keywords-only)
1110   (setq font-lock-keywords-only t)
1111
1112   ;; Multi-line font-locking needs Emacs 21.1 or newer.
1113   ;; For older versions there is hotkey "C-c f".
1114   (make-local-variable 'font-lock-multiline)
1115   (setq font-lock-multiline t)
1116
1117   (make-local-variable 'paragraph-separate)
1118   (setq paragraph-separate "^[ \t]*$")
1119
1120   (make-local-variable 'paragraph-start)
1121   (setq paragraph-start "^[ \t]*$")
1122
1123   (make-local-variable 'comment-start)
1124   (setq comment-start "%")
1125
1126   (make-local-variable 'comment-start-skip)
1127   (setq comment-start-skip "%{? *")
1128
1129   (make-local-variable 'comment-end)
1130   (setq comment-end "")
1131
1132   (make-local-variable 'block-comment-start)
1133   (setq block-comment-start "%{")
1134
1135   (make-local-variable 'block-comment-end)
1136   (setq block-comment-end   "%}")
1137
1138   (make-local-variable 'indent-line-function)
1139   (setq indent-line-function 'LilyPond-indent-line)
1140
1141   (LilyPond-mode-set-syntax-table '(?\< ?\> ?\{ ?\}))
1142   (setq major-mode 'LilyPond-mode)
1143   (setq mode-name "LilyPond")
1144   (setq local-abbrev-table LilyPond-mode-abbrev-table)
1145   (use-local-map LilyPond-mode-map)
1146
1147   ;; In XEmacs imenu was synched up with: FSF 20.4
1148   (make-local-variable 'imenu-generic-expression)
1149   (setq imenu-generic-expression LilyPond-imenu-generic-expression)
1150   ;; (imenu-add-to-menubar "Index") ; see LilyPond-add-imenu-menu
1151
1152   ;; In XEmacs one needs to use 'easy-menu-add'.
1153   (if (string-match "XEmacs\\|Lucid" emacs-version)
1154       (progn
1155         (easy-menu-add LilyPond-mode-menu)
1156         (easy-menu-add LilyPond-command-menu)))
1157
1158   ;; Use Command on Region even for inactive mark (region).
1159   (if (string-match "XEmacs\\|Lucid" emacs-version)
1160       (setq zmacs-regions nil)
1161     (setq mark-even-if-inactive t))
1162
1163   ;; Context dependent syntax tables in LilyPond-mode
1164   (make-local-hook 'post-command-hook) ; XEmacs requires
1165   (add-hook 'post-command-hook 'LilyPond-mode-context-set-syntax-table nil t)
1166
1167   ;; Turn on paren-mode buffer-locally, i.e., in LilyPond-mode
1168   (if (string-match "XEmacs\\|Lucid" emacs-version)
1169       (progn
1170         (make-local-variable 'paren-mode)
1171         (paren-set-mode 'paren)
1172         (make-local-variable 'blink-matching-paren)
1173         (setq blink-matching-paren t)
1174         )
1175     (progn
1176       (make-local-variable 'blink-matching-paren-on-screen)
1177       (setq blink-matching-paren-on-screen t)
1178      ))
1179
1180   ;; run the mode hook. LilyPond-mode-hook use is deprecated
1181   (run-hooks 'LilyPond-mode-hook))
1182
1183 (defun LilyPond-version ()
1184   "Echo the current version of `LilyPond-mode' in the minibuffer."
1185   (interactive)
1186   (message "Using `LilyPond-mode' version %s" LilyPond-version))
1187
1188 (load-library "lilypond-font-lock")
1189 (load-library "lilypond-indent")
1190 (load-library "lilypond-what-beat")
1191
1192 (defun LilyPond-guile ()
1193   (interactive)
1194   (require 'ilisp)
1195   (guile "lilyguile" (LilyPond-command-expand (cadr (assoc "2Dvi" LilyPond-command-alist))
1196                                               (funcall 'LilyPond-get-master-file)))
1197   (comint-default-send (ilisp-process) "(define-module (*anonymous-ly-0*))")
1198   (comint-default-send (ilisp-process) "(set! %load-path (cons \"/usr/share/ilisp/\" %load-path))")
1199   (comint-default-send (ilisp-process) "(use-modules (guile-user) (guile-ilisp))")
1200   (comint-default-send (ilisp-process) "(newline)"))
1201
1202 (provide 'lilypond-mode)
1203 ;;; lilypond-mode.el ends here
1204