1 ;;;; output-gnome.scm -- implement GNOME canvas output
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
7 ;;; HIP -- hack in progress
11 ;;; * guile-1.6.4 (NOT CVS)
12 ;;; * Rotty's g-wrap--tng, possibly Janneke's if you have libffi-3.4.
14 ;;; see also: guile-gtk-general@gnu.org
18 ;;; * If using GUILE CVS , then compile LilyPond with GUILE 1.6,
20 ;;; PATH=/usr/bin/:$PATH ./configure --enable-config=g16 ; make conf=g16
22 ;;; * Install gnome/gtk development stuff and g-wrap, guile-gnome
23 ;;; see buildscripts/guile-gnome.sh
25 ;;; * Use latin1 encoding for gnome backend, do
27 ;;; make -C mf conf=g16 clean
28 ;;; make -C mf conf=g16 ENCODING_FILE=$(kpsewhich cork.enc)
29 ;;; (cd mf/out && mkfontdir)i
30 ;;; xset +fp $(pwd)/mf/out
33 make -C mf ENCODING_FILE=$(kpsewhich cork.enc)
34 (cd mf/out && mkfontdir)
35 xset +fp $(pwd)/mf/out
38 ;;; * Setup environment
40 export GUILE_LOAD_PATH=$HOME/usr/pkg/g-wrap/share/guile/site:$HOME/usr/pkg/g-wrap/share/guile/site/g-wrap:$HOME/usr/pkg/guile-gnome/share/guile
41 export LD_LIBRARY_PATH=$HOME/usr/pkg/g-wrap/lib:$HOME/usr/pkg/guile-gnome/lib
42 export XEDITOR='/usr/bin/emacsclient --no-wait +%l:%c %f'
44 ;;; * For GNOME point-and-click, add
45 ;;; #(ly:set-point-and-click 'line-column)
46 ;;; to your .ly; just click an object on the canvas.
50 lilypond-bin -fgnome input/simple-song.ly
55 ;;; * pango+feta font (see archives gtk-i18n-list@gnome.org and
57 ;;; - wait for/help with pango 1.6
58 ;;; - convert feta to OpenType (CFF) or TrueType (fontforge?)
59 ;;; - hack feta20/feta20.pfa?:
60 ;;; * font, canvas, scaling?
61 ;;; * implement missing stencil functions
62 ;;; * implement missing commands
63 ;;; * user-interface, keybindings
64 ;;; * cleanups: (too many) global vars
65 ;;; * papersize, outputscale from book
74 export PATH=/usr/bin/:$PATH
76 if [ -d $HOME/usr/pkg/libffi/ ] ; then
77 export LDFLAGS=-L$HOME/usr/pkg/libffi/lib/
78 export CPPFLAGS=-I$HOME/usr/pkg/libffi/include
81 export AUTOMAKE=automake-1.8
82 export AUTOCONF=autoconf2.50
88 ## 1. install gnome-devel (Debian/unstable: apt-get install gnome-devel)
90 ## 2. *** NOTE: use guile-1.6 for g-wrap and guile-gnome ***
91 ##### using GUILE CVS g-wrap/guile-gnome is experimental (read: segfaults)
96 tla register-archive a.rottmann@gmx.at--2004-main http://people.debian.org/~rotty/arch/a.rottmann@gmx.at/2004-main || true
99 ## tla get a.rottmann@gmx.at--2004-main/g-wrap--tng g-wrap
100 ## pull latest g-wrap from janneke -- this step is probably no longer
101 ## necessary when you read this
102 tla register-archive janneke@gnu.org--2004-gnome http://lilypond.org/~janneke/{arch}/2004-gnome || true
103 tla get janneke@gnu.org--2004-gnome/g-wrap--janneke g-wrap
106 rm -rf $HOME/usr/pkg/g-wrap
107 sh autogen.sh --noconfigure
110 ../configure --prefix=$HOME/usr/pkg/g-wrap
113 # cp srfi-34.scm from CVS head ? --hwn
114 (cd $HOME/usr/pkg/g-wrap/share/guile/site
115 mv srfi-34.scm srfi-34.scm-g-wrap
116 cp $HOME/usr/pkg/guile/share/guile-1.7/srfi/srfi-34.scm .)
120 ## 4. get guile-gnome
121 tla register-archive guile-gnome-devel@gnu.org--2004 http://people.debian.org/~rotty/arch/guile-gnome-devel@gnu.org/2004/ || true
123 tla get guile-gnome-devel@gnu.org--2004/dists--dev guile-gnome
125 tla build-config -r configs/gnu.org/dev
128 ## 5. get the gnome canvas module
129 tla get guile-gnome-devel@gnu.org--2004/libgnomecanvas--dev libgnomecanvas
131 ## pull latest defs from janneke -- this step is probably no longer
132 ## necessary when you read this
133 ## tla register-archive janneke@gnu.org--2004-gnome http://lilypond.org/~janneke/{arch}/2004-gnome || true
135 ## tla get janneke@gnu.org--2004-gnome/defs--janneke defs
137 rm -rf $HOME/usr/pkg/guile-gnome
138 sh autogen.sh --noconfigure
142 export GUILE_LOAD_PATH=$HOME/usr/pkg/g-wrap/share/guile/site:$GUILE_LOAD_PATH
143 export LD_LIBRARY_PATH=$HOME/usr/pkg/g-wrap/lib:$LD_LIBRARY_PATH
144 export PKG_CONFIG_PATH=$HOME/usr/pkg/g-wrap/lib/pkgconfig:$PKG_CONFIG_PATH
146 ../src/configure --prefix=$HOME/usr/pkg/guile-gnome
149 # requires 800mb RAM with -O2
150 (cd gtk/gnome/gw; perl -i~ -pe 's/-O2//g' Makefile)
152 G_WRAP_MODULE_DIR=$HOME/usr/pkg/g-wrap/share/guile/site make install
154 export GUILE_LOAD_PATH=$HOME/usr/pkg/guile-gnome/share/guile:$GUILE_LOAD_PATH
155 export LD_LIBRARY_PATH=$HOME/usr/pkg/guile-gnome/lib:$LD_LIBRARY_PATH
159 guile -s ../src/libgnomecanvas/examples/canvas.scm
162 (debug-enable 'backtrace)
164 (define-module (scm output-gnome))
166 (define this-module (current-module))
174 (gnome gtk gdk-event)
175 ;; the name of the module will change to canvas rsn
176 (gnome gw libgnomecanvas))
179 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
181 (define-public (gnome-output-expression expr port)
182 (display (dispatch expr) port))
184 (define (dispatch expr)
186 (let ((keyword (car expr)))
188 ((eq? keyword 'some-func) "")
189 ;;((eq? keyword 'placebox) (dispatch (cadddr expr)))
191 (if (module-defined? this-module keyword)
192 (apply (eval keyword this-module) (cdr expr))
195 (string-append "undefined: " (symbol->string keyword) "\n"))
199 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
200 ;;; Lily output interface --- fix silly names and docme
202 The output interface has functions for
203 * formatting stencils, and
220 The Bare minimum interface for \score { \notes c } } should
223 INTERFACE-output-expression
228 and should intercept:
231 (define (dummy . foo) #f)
233 ;; minimal intercept list:
234 (define output-interface-intercept
239 (map (lambda (x) (module-define! this-module x dummy))
240 output-interface-intercept)
242 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
246 (define main-window #f)
247 (define main-scrolled #f)
248 (define main-canvas #f)
249 (define page-number 0)
251 (define page-stencils #f)
252 (define output-canvas #f)
254 (define system-origin '(0 . 0))
257 (define item-locations (make-hash-table 31))
260 (define button-height 25)
261 (define canvas-width 2000)
262 (define canvas-height 4000)
264 (define window-width 400)
265 (define window-height
266 (inexact->exact (round (* 1.42 window-width))))
268 (define font-paper #f)
270 (define pixels-per-unit 2.0)
271 (define OUTPUT-SCALE 2.83464566929134)
272 (define output-scale (* OUTPUT-SCALE pixels-per-unit))
274 ;; helper functions -- sort this out
275 (define (stderr string . rest)
279 (apply format (cons (current-error-port) (cons string rest)))
280 (force-output (current-error-port)))))
284 ((< i #x80) (make-string 1 (integer->char i)))
285 ((< i #x800) (list->string
287 (list (+ #xc0 (quotient i #x40))
288 (+ #x80 (modulo i #x40))))))
290 (let ((x (quotient i #x1000))
291 (y (modulo i #x1000)))
295 (+ #x80 (quotient y #x40))
296 (+ #x80 (modulo y #x40)))))))
299 (define (custom-utf8 i)
302 (utf8 (+ #xee00 i))))
305 (define (draw-rectangle x1 y1 x2 y2 color width-units)
306 (make <gnome-canvas-rect>
307 #:parent (root main-canvas) #:x1 x1 #:y1 y1 #:x2 x2 #:y2 y2
308 #:fill-color color #:width-units width-units))
311 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
312 ;;;; stencil outputters
315 (define (char font i)
316 (text font (utf8 i)))
318 (define (placebox x y expr)
319 (stderr "item: ~S\n" expr)
322 ;; FIXME ugly hack to skip #unspecified ...
323 (if (and item (not (eq? item (if #f #f))))
326 (* output-scale (+ (car system-origin) x))
327 (* output-scale (- (car system-origin) y)))
328 (affine-relative item output-scale 0 0 output-scale 0 0)
330 (gtype-instance-signal-connect item 'event item-event)
332 (hashq-set! item-locations item location))
336 (define (round-filled-box breapth width depth height blot-diameter)
337 ;; FIXME: no rounded corners on rectangle...
339 (draw-rectangle (- breapth) depth width (- height) "black" blot-diameter))
341 (define (pango-font-name font)
343 ((equal? (ly:font-name font) "GNU-LilyPond-feta-20")
344 "lilypond-feta, regular 32")
346 (ly:font-name font))))
348 (define (pango-font-size font)
349 (let* ((designsize (ly:font-design-size font))
350 (magnification (* (ly:font-magnification font)))
351 ;;(ops (ly:paper-lookup paper 'outputscale))
352 ;;(ops (* pixels-per-unit OUTPUT-SCALE))
353 ;;(ops (* pixels-per-unit pixels-per-unit))
354 (ops (* (/ 12 20) (* pixels-per-unit pixels-per-unit)))
355 (scaling (* ops magnification designsize)))
358 (define (text font string)
359 (stderr "font-name: ~S\n" (ly:font-name font))
360 ;; TODO s/filename/file-name/
361 (stderr "font-filename: ~S\n" (ly:font-filename font))
363 (stderr "pango-font-name: ~S\n" (pango-font-name font))
364 (stderr "pango-font-size: ~S\n" (pango-font-size font))
368 (make <gnome-canvas-text>
369 #:parent (root main-canvas)
371 #:font (pango-font-name font)
372 #:size-points (pango-font-size font)
375 ;;apparently no effect :-(
385 (define (filledbox a b c d)
386 (round-filled-box a b c d 0.001))
388 ;; WTF is this in every backend?
389 (define (horizontal-line x1 x2 thickness)
390 ;;(let ((thickness 2))
391 (filledbox (- x1) (- x2 x1) (* .5 thickness) (* .5 thickness)))
393 ;; origin -- bad name
394 (define (define-origin file line col)
395 ;; ughr, why is this not passed as [part of] stencil object
396 (set! location (if (procedure? point-and-click)
397 ;; duh, only silly string append
398 ;; (point-and-click line col file)
404 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
405 ;;;; gnome stuff --- move to framework-gnome
406 (define (dump-page number)
407 (if (or (not page-stencils)
409 (>= number (vector-length page-stencils)))
410 (stderr "No such page: ~S\n" (1+ number))
412 (let* ((old-canvas main-canvas)
413 (canvas (new-canvas)))
414 (set! page-number number)
416 ;; no destroy method for gnome-canvas-text?
417 ;;(map destroy (gtk-container-get-children main-canvas))
418 ;;(map destroy text-items)
421 ;;(set! main-canvas canvas)
422 (set! text-items '())
423 (ly:outputter-dump-stencil output-canvas
424 (vector-ref page-stencils page-number))
426 (if old-canvas (destroy old-canvas))
427 (add main-scrolled canvas)
431 (define (get-x-editor)
433 (set! x-editor (getenv "XEDITOR")))
439 (set! ifs (getenv "IFS")))
444 (define (spawn-editor location)
445 (let* ((line (car location))
446 (column (cadr location))
447 (file-name (caddr location))
448 (template (substring (get-x-editor) 0))
450 ;; Adhere to %l %c %f?
452 (regexp-substitute/global
453 #f "%l" (regexp-substitute/global
455 (regexp-substitute/global
456 #f "%f" template 'pre file-name 'post)
457 'pre (number->string column)
459 'pre (number->string line) 'post)))
461 (stderr "spawning: ~s\n" command)
462 (if (= (primitive-fork) 0)
463 (let ((command-list (string-split command #\ )));; (get-ifs))))
464 (apply execlp command-list)
467 (define location-callback spawn-editor)
469 (define (item-event item event . data)
470 (case (gdk-event:type event)
471 ((enter-notify) (gobject-set-property item 'fill-color "red"))
472 ((leave-notify) (gobject-set-property item 'fill-color "black"))
474 (let ((location (hashq-ref item-locations item #f)))
476 (location-callback location)
477 (stderr "no location\n"))))
478 ((2button-press) (gobject-set-property item 'fill-color "red")))
481 ;; TODO: one list per-page
482 (define text-items '())
483 (define (scale-canvas factor)
484 (set! pixels-per-unit (* pixels-per-unit factor))
485 (set-pixels-per-unit main-canvas pixels-per-unit)
488 (let ((scale (gobject-get-property x 'scale))
489 (points (gobject-get-property x 'size-points)))
490 ;;(gobject-set-property x 'scale pixels-per-unit)
491 (gobject-set-property x 'size-points (* points factor))))
494 (define (key-press-event item event . data)
495 (let ((keyval (gdk-event-key:keyval event))
496 (mods (gdk-event-key:modifiers event)))
497 (cond ((and (or (eq? keyval gdk:q)
499 (equal? mods '(control-mask modifier-mask)))
501 ((and #t ;;(null? mods)
502 (eq? keyval gdk:plus))
504 ((and #t ;; (null? mods)
505 (eq? keyval gdk:minus))
507 ((or (eq? keyval gdk:Page-Up)
508 (eq? keyval gdk:BackSpace))
509 (dump-page (1- page-number)))
510 ((or (eq? keyval gdk:Page-Down)
511 (eq? keyval gdk:space))
512 (dump-page (1+ page-number))))
515 (define (papersize window paper)
516 (let* ((hsize (ly:output-def-lookup paper 'hsize))
517 (vsize (ly:output-def-lookup paper 'vsize))
518 (width (inexact->exact (ceiling (* output-scale hsize))))
519 (height (inexact->exact (ceiling (* output-scale vsize))))
520 (max-width (gdk-screen-width))
521 (max-height (gdk-screen-height))
525 (set! max-height (- max-height 80))
528 ;;(set! OUTPUT-SCALE (ly:bookpaper-outputscale paper))
529 ;;(set! output-scale (* OUTPUT-SCALE pixels-per-unit))
533 (set! window-width (min (+ scrollbar-size (* width 2)) max-width))
534 (set! window-height (min (+ button-height scrollbar-size (* height 2))
537 (set! canvas-width width)
538 (set! canvas-height height)))
542 (let* ((canvas (make <gnome-canvas>))
543 (root (root canvas)))
545 (set-size-request canvas window-width window-height)
546 (set-scroll-region canvas 0 0 canvas-width canvas-height)
548 (set-pixels-per-unit canvas pixels-per-unit)
550 (set! main-canvas canvas)
551 (draw-rectangle 0 0 canvas-width canvas-height "white" 0)
555 (define (main outputter bookpaper pages)
556 (let* ((window (make <gtk-window> #:type 'toplevel))
557 (button (make <gtk-button> #:label "Exit"))
558 (next (make <gtk-button> #:label "Next"))
559 (prev (make <gtk-button> #:label "Previous"))
560 (vbox (make <gtk-vbox> #:homogeneous #f))
561 (hbox (make <gtk-hbox> #:homogeneous #f))
562 (scrolled (make <gtk-scrolled-window>))
563 (canvas (new-canvas)))
565 (papersize window bookpaper)
566 (set-size-request window window-width window-height)
570 (add scrolled canvas)
573 (set-size-request hbox window-width button-height)
574 (set-child-packing vbox hbox #f #f 0 'end)
576 (set-child-packing hbox button #f #f 0 'end)
577 (set-size-request button (quotient window-width 2) button-height)
583 (gtype-instance-signal-connect button 'clicked
584 (lambda (b) (gtk-main-quit)))
585 (gtype-instance-signal-connect next 'clicked
586 (lambda (b) (dump-page (1+ page-number))))
587 (gtype-instance-signal-connect prev 'clicked
588 (lambda (b) (dump-page (1- page-number))))
590 (gtype-instance-signal-connect window 'key-press-event key-press-event)
593 ;; HMMM. Make some class for these vars?
594 (set! main-window window)
595 (set! main-scrolled scrolled)
596 (set! output-canvas outputter)
597 (set! page-stencils pages)