1 ;;;; framework-gnome.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
7 ;;;; See output-gnome.scm for usage information.
10 (define-module (scm framework-gnome))
12 (use-modules (guile) (oop goops) (lily))
22 ;;; This is in 2.7.96 -- JUNKME.
23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
24 ;;; Wrappers from guile-gnome TLA
25 ;;; guile-gnome-devel@gnu.org--2004
26 ;;; http://arch.gna.org/guile-gnome/archive-2004
28 ;;; janneke@gnu.org--2004-gnome
29 ;;; http://lilypond.org/~janneke/{arch}/2004-gnome
31 (if (not (defined? 'gdk-event-motion:x))
32 (define (gdk-event-motion:x event)
33 (let ((vector (gdk-event->vector event)))
34 (case (gdk-event:type event)
36 (vector-ref vector 4))
38 (gruntime-error "Event not of the proper type: ~A" event))))))
40 (if (not (defined? 'gdk-event-motion:y))
41 (define (gdk-event-motion:y event)
42 (let ((vector (gdk-event->vector event)))
43 (case (gdk-event:type event)
45 (vector-ref vector 5))
47 (gruntime-error "Event not of the proper type: ~A" event))))))
49 (if (not (defined? 'gdk-event-button:modifiers))
50 (define (gdk-event-button:modifiers event)
51 (let ((vector (gdk-event->vector event)))
52 (case (gdk-event:type event)
53 ((button-press button-release)
54 ;; We have to do some hackery here, because there are bitmasks
55 ;; used by XKB that we don't know about.
57 (make <gdk-modifier-type>
58 #:value (logand #x1fff (vector-ref vector 6)))))
60 (gruntime-error "Event not of the proper type: ~A" event))))))
61 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
63 (define-public (output-framework outputter book scopes fields basename)
64 (gnome-main book basename))
66 (define SCROLLBAR-SIZE 20)
67 (define BUTTON-HEIGHT 25)
68 (define PANELS-HEIGHT 80)
70 (define PIXELS-PER-UNIT 2)
72 (define OUTPUT-SCALE (* 2.5 PIXELS-PER-UNIT))
73 (define-public output-scale OUTPUT-SCALE)
75 (define (stderr string . rest)
76 (apply format (cons (current-error-port) (cons string rest)))
77 (force-output (current-error-port)))
79 (define (debugf string . rest)
81 (apply stderr (cons string rest))))
83 (define-class <gnome-outputter> ()
84 (name #:init-value "untitled" #:init-keyword #:name #:accessor name)
87 (dragging #:init-value #f #:accessor dragging)
88 (drag-origin #:init-value #f #:accessor drag-origin)
89 (drag-location #:init-value #f #:accessor drag-location)
91 (page-stencils ;;#:init-value '#()
92 #:init-keyword #:page-stencils #:accessor page-stencils)
93 (window #:init-value (make <gtk-window> #:type 'toplevel) #:accessor window)
94 (scrolled #:init-value (make <gtk-scrolled-window>) #:accessor scrolled)
95 (canvas #:init-value #f #:accessor canvas)
96 (page-number #:init-value 0 #:accessor page-number)
97 (pixels-per-unit #:init-value PIXELS-PER-UNIT #:accessor pixels-per-unit)
98 (text-items #:init-value '() #:accessor text-items)
99 (grob #:init-value #f #:accessor grob)
100 (item-grobs #:init-value (make-hash-table 31) #:accessor item-grobs)
101 (window-width #:init-keyword #:window-width #:accessor window-width)
102 (window-height #:init-keyword #:window-height #:accessor window-height)
103 (canvas-width #:init-keyword #:canvas-width #:accessor canvas-width)
104 (canvas-height #:init-keyword #:canvas-height #:accessor canvas-height))
106 (define-method (initialize (go <gnome-outputter>))
107 (let* ((save (make <gtk-button> #:label "Save"))
108 (exit (make <gtk-button> #:label "Exit"))
109 (next (make <gtk-button> #:label "Next"))
110 (prev (make <gtk-button> #:label "Previous"))
111 (vbox (make <gtk-vbox> #:homogeneous #f))
112 (hbox (make <gtk-hbox> #:homogeneous #f)))
114 (set-size-request (window go) (window-width go) (window-height go))
116 (set-size-request (scrolled go) (window-width go) (- (window-height go)
122 (add (window go) vbox)
123 (add vbox (scrolled go))
125 (add (scrolled go) (canvas go))
129 (set-size-request hbox (window-width go) BUTTON-HEIGHT)
131 ;; hmm? These are broken when using <gnome-outputter>.
132 ;;(set-child-packing vbox hbox #f #f 0 'end)
133 ;;(set-child-packing hbox button #f #f 0 'end)
135 (set-size-request exit (quotient (window-width go) 2) BUTTON-HEIGHT)
144 (connect exit 'clicked (lambda (b) (gtk-main-quit)))
145 (connect save 'clicked (lambda (b) (save-tweaks go)))
146 (connect next 'clicked (lambda (b) (dump-page go (1+ (page-number go)))))
147 (connect prev 'clicked (lambda (b) (dump-page go (1- (page-number go)))))
148 (connect (window go) 'key-press-event
149 (lambda (w e) (key-press-event go w e)))
151 (show-all (window go))))
154 (define (gnome-main book name)
155 (let* ((paper (ly:paper-book-paper book))
156 (hsize (ly:output-def-lookup paper 'hsize))
157 (vsize (ly:output-def-lookup paper 'vsize))
158 (page-width (inexact->exact (ceiling (* OUTPUT-SCALE hsize))))
159 (page-height (inexact->exact (ceiling (* OUTPUT-SCALE vsize))))
160 ;;(page-width (inexact->exact (ceiling hsize)))
161 ;;(page-height (inexact->exact (ceiling vsize)))
163 (screen-width (gdk-screen-width))
164 (screen-height (gdk-screen-height))
165 (desktop-height (- screen-height PANELS-HEIGHT))
167 (go (make <gnome-outputter>
169 #:page-stencils (list->vector (ly:paper-book-pages book))
170 #:canvas-width page-width
171 #:canvas-height page-height
173 ;; huh, *2 -- pixels-per-unit?
174 (min (+ SCROLLBAR-SIZE (* page-width 2)) screen-width)
176 (min (+ BUTTON-HEIGHT SCROLLBAR-SIZE (* page-height 2))
179 ;; ugh. The GOOPS doc promises this is called automagically.
180 ;; possibly a goops 1.6.4 problem
183 (map ly:pango-add-afm-decoder
185 "lilypond-feta-braces-a"
186 "lilypond-feta-braces-b"
187 "lilypond-feta-braces-c"
188 "lilypond-feta-braces-d"
189 "lilypond-feta-braces-d"
190 "lilypond-feta-braces-e"
191 "lilypond-feta-braces-f"
192 "lilypond-feta-braces-g"
193 "lilypond-feta-braces-h"
194 "lilypond-feta-braces-i"
204 (define (dump-page go number)
205 (if (or (not (page-stencils go))
207 (>= number (vector-length (page-stencils go))))
208 (stderr "No such page: ~S\n" (1+ number))
210 (let ((old-canvas (canvas go)))
212 (set! (page-number go) number)
214 ;; no destroy method for gnome-canvas-text yet.
215 ;;(map destroy (gtk-container-get-children main-canvas))
216 ;;(map destroy text-items)
218 (set! (text-items go) '())
219 (debugf "page-stencil ~S: ~S\n"
221 (vector-ref (page-stencils go) (page-number go)))
223 (ly:interpret-stencil-expression
224 ;; ;;(vector-ref (page-stencils go) (page-number go))
225 (ly:stencil-expr (vector-ref (page-stencils go) (page-number go)))
226 gnome-output-expression go '(0 . 0))
228 (if old-canvas (destroy old-canvas))
229 (add (scrolled go) (canvas go))
230 (show (canvas go)))))
233 (define (get-x-editor)
235 (set! x-editor (getenv "XEDITOR")))
241 (set! ifs (getenv "IFS")))
246 (define (spawn-editor location)
247 (let* ((file-name (car location))
248 (line (cadr location))
249 (column (caddr location))
250 (template (substring (get-x-editor) 0))
252 ;; Adhere to %l %c %f?
254 (regexp-substitute/global
255 #f "%l" (regexp-substitute/global
257 (regexp-substitute/global
258 #f "%f" template 'pre file-name 'post)
259 'pre (number->string column)
261 'pre (number->string line) 'post)))
263 (debugf "spawning: ~s\n" command)
264 (if (= (primitive-fork) 0)
265 (let ((command-list (string-split command #\ )));; (get-ifs))))
266 (apply execlp command-list)
269 (define location-callback spawn-editor)
271 (define (get-location grob)
272 (and-let* ((p? (procedure? point-and-click))
274 (cause (ly:grob-property grob 'cause))
275 (music-origin (if (ly:music? cause)
276 (ly:music-property cause 'origin)
277 ;; How come #<unspecied> [and '()]
280 (if (ly:input-location? music-origin)
281 (ly:input-location music-origin)
285 (define-method (tweak (go <gnome-outputter>) item offset)
286 (let* ((grob (hashq-ref (item-grobs go) item #f))
287 (extra-offset (ly:grob-property grob 'extra-offset))
288 (origin (if (null? extra-offset) '(0 . 0)
289 (cons (car extra-offset)
290 (- 0 (cdr extra-offset))))))
293 (ly:insert-tweak grob (list tweak-grob-property
295 (offset-add origin offset))))))
297 (define-method (save-tweaks (go <gnome-outputter>))
299 ((dumper (ly:make-dumper))
300 (tweaks (ly:all-tweaks))
301 (serialized-tweaks (map
305 (ly:dumper-key-serial dumper (car tweak))
306 (list 'unquote (procedure-name (cadr tweak))))
310 (if (not (null? serialized-tweaks))
311 (let ((file (open-file (string-append (name go) ".twy") "w")))
313 ";;;tweaks. Generated file. Do not edit.
314 (ly:tweak-clear-registry)
315 (ly:tweak-define-keys `~S)
316 (ly:tweak-define-tweaks `~S)"
317 (ly:dumper-definitions dumper)
318 serialized-tweaks)))))
320 ;;;(define (item-event go grob item event)
321 (define (item-event go item event)
322 ;;(stderr "EVENT: ~S\n" event)
323 ;;(stderr "TYPE: ~S\n" (gdk-event:type event))
324 (case (gdk-event:type event)
325 ((enter-notify) (gobject-set-property item 'fill-color "red"))
326 ((leave-notify) (gobject-set-property item 'fill-color "black"))
327 ((motion-notify) (if (ly:grob? (dragging go))
328 (let ((x (gdk-event-motion:x event))
329 (y (gdk-event-motion:y event))
331 (r (drag-location go)))
332 ;;(stderr "MOVED AT: ~S ~S\n" x y)
333 (move item (/ (- x (car r)) s) (/ (- y (cdr r)) s))
334 (set! (drag-location go) (cons x y)))))
335 ((button-release) (if (ly:grob? (dragging go))
336 (let ((x (gdk-event-button:x event))
337 (y (gdk-event-button:y event))
340 (r (drag-location go)))
341 (move item (/ (- x (car r)) s) (/ (- y (cdr r)) s))
342 (set! (drag-location go) #f)
343 (set! (drag-origin go) #f)
344 (stderr "RELEASE at: ~S ~S\n" x y)
345 (set! (dragging go) #f)
346 (tweak go item (cons (/ (- x (car o)) s)
347 (/ (- y (cdr o)) s))))))
349 (let ((button (gdk-event-button:button event)))
352 (if (null? (gdk-event-button:modifiers event))
353 (let ((x (gdk-event-button:x event))
354 (y (gdk-event-button:y event)))
355 (stderr "CLICK at: ~S ~S\n" x y)
356 (set! (dragging go) (hashq-ref (item-grobs go) item #f))
357 (set! (drag-origin go) (cons x y))
358 (set! (drag-location go) (cons x y)))
360 (stderr "CLICK WITH MODIFIERS: ~S\n"
361 (gdk-event-button:modifiers event))
363 ;; some modifier, do jump to source
364 (and-let* ((grob (hashq-ref (item-grobs go) item #f))
365 (location (get-location grob)))
366 (location-callback location)))))
369 ((grob (hashq-ref (item-grobs go) item #f)))
371 (let ((properties (ly:grob-properties grob))
372 (basic-properties (ly:grob-basic-properties grob))
373 (x (inexact->exact (gdk-event-button:x-root event)))
374 (y (inexact->exact (gdk-event-button:y-root event))))
376 (debugf "GROB: ~S\n" grob)
377 (debugf "PROPERTIES: ~S\n" properties)
378 (debugf "BASIC PROPERTIES: ~S\n" basic-properties)
380 ;; FIXME: dialog iso window?
381 ;; http://www.gtk.org/tutorial/sec-textentries.html
382 (let ((window (make <gtk-window>))
383 (vbox (make <gtk-vbox>))
384 (ok (make <gtk-button> #:label "Ok")))
387 (connect ok 'clicked (lambda (b) (destroy window)))
391 (let ((label (make <gtk-label>
392 ;;#:label (symbol->string (car x))))
393 #:label (format #f "~S" (car x))))
394 ;;(symbol->string (car x))))
395 (entry (make <gtk-entry>
396 #:text (format #f "~S" (cdr x))))
397 (hbox (make <gtk-hbox>)))
400 (set-size-request label 150 BUTTON-HEIGHT)
402 (append properties basic-properties))
406 (move window x y))))))))
408 ((2button-press) (gobject-set-property item 'fill-color "green"))
410 (let ((keyval (gdk-event-key:keyval event))
411 (mods (gdk-event-key:modifiers event))
412 (step (quotient (pixels-per-unit go) 2)))
413 (cond ((and (null? mods)
415 (tweak go item (cons 0 (- 0 step))))
417 (eq? keyval gdk:Down))
418 (tweak go item (cons 0 step)))
420 (eq? keyval gdk:Left))
421 (tweak go item (cons (- 0 step) 0)))
423 (eq? keyval gdk:Right))
424 (tweak go item (cons step 0)))))))
427 (define (scale-canvas go factor)
428 (set! (pixels-per-unit go) (* (pixels-per-unit go) factor))
429 (set-pixels-per-unit (canvas go) (pixels-per-unit go))
432 (let ((scale (gobject-get-property x 'scale))
433 (points (gobject-get-property x 'size-points)))
434 ;;(gobject-set-property x 'scale pixels-per-unit)
435 (gobject-set-property x 'size-points (* points factor))))
438 (define (key-press-event go item event)
439 (let ((keyval (gdk-event-key:keyval event))
440 (mods (gdk-event-key:modifiers event)))
441 (cond ((and (or (eq? keyval gdk:q)
443 (equal? mods '(control-mask modifier-mask)))
445 ((and #t ;;(null? mods)
446 (eq? keyval gdk:plus))
448 ((and #t ;; (null? mods)
449 (eq? keyval gdk:minus))
450 (scale-canvas go 0.5))
451 ((or (eq? keyval gdk:Page-Up)
452 (eq? keyval gdk:BackSpace))
453 (dump-page go (1- (page-number go))))
454 ((or (eq? keyval gdk:Page-Down)
455 (eq? keyval gdk:space))
456 (dump-page go (1+ (page-number go)))))
459 (define (new-canvas go)
460 (set! (canvas go) (make <gnome-canvas>))
461 (set-size-request (canvas go) (window-width go) (window-height go))
462 (set-scroll-region (canvas go) 0 0 (canvas-width go) (canvas-height go))
463 (set-pixels-per-unit (canvas go) (pixels-per-unit go))
464 (make <gnome-canvas-rect>
465 #:parent (root (canvas go))
466 #:x2 (canvas-width go) #:y2 (canvas-height go)
467 #:fill-color "white"))
469 (define output-gnome-module #f)
470 (define (get-output-gnome-module go)
471 (if (not output-gnome-module)
472 (let ((m (resolve-module '(scm output-gnome))))
473 (module-define! m 'canvas-root (lambda () (root (canvas go))))
474 (module-define! m 'output-scale output-scale)
475 (set! output-gnome-module m)))
478 (define-public (gnome-output-expression go expr)
479 (let* ((m (get-output-gnome-module go))
480 (result (eval expr m)))
482 ((ly:grob? result) (set! (grob go) result))
483 ((is-a? result <gnome-canvas-item>)
485 ;; AAARGH; grobs happen after stencils
486 ;; (connect result 'event (lambda (w e) (item-event go (grob go) w e)))
487 (connect result 'event (lambda (w e) (item-event go w e)))
489 (hashq-set! (item-grobs go) result (grob go)))
492 (if (is-a? result <gnome-canvas-text>)
493 (set! (text-items go) (cons result (text-items go))))))))