;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 2004--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+
+;;;; See output-gnome.scm for usage information.
+
(define-module (scm framework-gnome))
-(use-modules (guile) (lily))
-(use-modules
+(use-modules (guile) (oop goops) (lily))
+
+(use-modules
+ (srfi srfi-2)
+ (ice-9 regex)
(gnome gtk)
- (gnome gtk gdk-event))
-
-;; the name of the module will change to canvas rsn
-(if (resolve-module '(gnome gw canvas))
- (use-modules (gnome gw canvas))
- (use-modules (gnome gw libgnomecanvas)))
-
-(define-public (output-framework outputter book scopes fields basename)
- (let* ((bookpaper (ly:paper-book-book-paper book))
- (pages (list->vector (ly:paper-book-pages book))))
-
- ;; yay, it works
- ;; TODO: goops class instance with
- ;; - main-window?
- ;; - main-scrolled window
- ;; - canvas
- ;; - page-number
- ;; - pixels-per-unit (or can get from canvas?)
- ;; - text-items list
- ;; - item-locations hashmap
+ (gnome gtk gdk-event)
+ (gnome gw canvas))
+
+(define-public (output-framework basename book scopes fields )
+ (gnome-main book basename))
+
+(define SCROLLBAR-SIZE 20)
+(define BUTTON-HEIGHT 25)
+(define PANELS-HEIGHT 80)
+
+(define PIXELS-PER-UNIT 2)
+;; 2.5??
+(define OUTPUT-SCALE (* 2.5 PIXELS-PER-UNIT))
+(define-public output-scale OUTPUT-SCALE)
+
+(define (debugf string . rest)
+ (if #f
+ (apply stderr (cons string rest))))
+
+(define-class <gnome-outputter> ()
+ (name #:init-value "untitled" #:init-keyword #:name #:accessor name)
+
+ ;; FIXME
+ (dragging #:init-value #f #:accessor dragging)
+ (drag-origin #:init-value #f #:accessor drag-origin)
+ (drag-location #:init-value #f #:accessor drag-location)
+
+ (page-stencils ;;#:init-value '#()
+ #:init-keyword #:page-stencils #:accessor page-stencils)
+ (window #:init-value (make <gtk-window> #:type 'toplevel) #:accessor window)
+ (scrolled #:init-value (make <gtk-scrolled-window>) #:accessor scrolled)
+ (canvas #:init-value #f #:accessor canvas)
+ (page-number #:init-value 0 #:accessor page-number)
+ (pixels-per-unit #:init-value PIXELS-PER-UNIT #:accessor pixels-per-unit)
+ (text-items #:init-value '() #:accessor text-items)
+ (grob #:init-value #f #:accessor grob)
+ (item-grobs #:init-value (make-hash-table 31) #:accessor item-grobs)
+ (window-width #:init-keyword #:window-width #:accessor window-width)
+ (window-height #:init-keyword #:window-height #:accessor window-height)
+ (canvas-width #:init-keyword #:canvas-width #:accessor canvas-width)
+ (canvas-height #:init-keyword #:canvas-height #:accessor canvas-height))
+
+(define-method (initialize (go <gnome-outputter>))
+ (let* ((save (make <gtk-button> #:label "Save"))
+ (exit (make <gtk-button> #:label "Exit"))
+ (next (make <gtk-button> #:label "Next"))
+ (prev (make <gtk-button> #:label "Previous"))
+ (vbox (make <gtk-vbox> #:homogeneous #f))
+ (hbox (make <gtk-hbox> #:homogeneous #f)))
+
+ (set-size-request (window go) (window-width go) (window-height go))
- ;; give that as first argument to all outputter/stencil functions?
- ;;
- (let* ((window (make <gtk-window> #:type 'toplevel)))
- (write window))
+ (set-size-request (scrolled go) (window-width go) (- (window-height go)
+ BUTTON-HEIGHT
+ SCROLLBAR-SIZE))
+
+ (new-canvas go)
+
+ (add (window go) vbox)
+ (add vbox (scrolled go))
- (ly:outputter-dump-stencil
- outputter
- (ly:make-stencil (list 'main outputter bookpaper pages)
- '(0 . 0) '(0 . 0)))))
+ (add (scrolled go) (canvas go))
+
+ ;; buttons
+ (add vbox hbox)
+ (set-size-request hbox (window-width go) BUTTON-HEIGHT)
+
+ ;; hmm? These are broken when using <gnome-outputter>.
+ ;;(set-child-packing vbox hbox #f #f 0 'end)
+ ;;(set-child-packing hbox button #f #f 0 'end)
+
+ (set-size-request exit (quotient (window-width go) 2) BUTTON-HEIGHT)
+
+
+ (add hbox next)
+ (add hbox prev)
+ (add hbox save)
+ (add hbox exit)
+
+ ;; signals
+ (connect exit 'clicked (lambda (b) (gtk-main-quit)))
+ (connect save 'clicked (lambda (b) (save-tweaks go)))
+ (connect next 'clicked (lambda (b) (dump-page go (1+ (page-number go)))))
+ (connect prev 'clicked (lambda (b) (dump-page go (1- (page-number go)))))
+ (connect (window go) 'key-press-event
+ (lambda (w e) (key-press-event go w e)))
+
+ (show-all (window go))))
+
+
+(define (gnome-main book name)
+ (let* ((paper (ly:paper-book-paper book))
+ (hsize (ly:output-def-lookup paper 'hsize))
+ (vsize (ly:output-def-lookup paper 'vsize))
+ (page-width (inexact->exact (ceiling (* OUTPUT-SCALE hsize))))
+ (page-height (inexact->exact (ceiling (* OUTPUT-SCALE vsize))))
+ ;;(page-width (inexact->exact (ceiling hsize)))
+ ;;(page-height (inexact->exact (ceiling vsize)))
+
+ (screen-width (gdk-screen-width))
+ (screen-height (gdk-screen-height))
+ (desktop-height (- screen-height PANELS-HEIGHT))
+
+ (go (make <gnome-outputter>
+ #:name name
+ #:page-stencils (list->vector (ly:paper-book-pages book))
+ #:canvas-width page-width
+ #:canvas-height page-height
+ #:window-width
+ ;; huh, *2 -- pixels-per-unit?
+ (min (+ SCROLLBAR-SIZE (* page-width 2)) screen-width)
+ #:window-height
+ (min (+ BUTTON-HEIGHT SCROLLBAR-SIZE (* page-height 2))
+ desktop-height))))
+
+ ;; ugh. The GOOPS doc promises this is called automagically.
+ ;; possibly a goops 1.6.4 problem
+ (initialize go)
+
+ (dump-page go 0)
+
+ (gtk-main)))
+
+(define (dump-page go number)
+ (if (or (not (page-stencils go))
+ (< number 0)
+ (>= number (vector-length (page-stencils go))))
+ (stderr "No such page: ~S\n" (1+ number))
+
+ (let ((old-canvas (canvas go)))
+ (new-canvas go)
+ (set! (page-number go) number)
+
+ ;; no destroy method for gnome-canvas-text yet.
+ ;;(map destroy (gtk-container-get-children main-canvas))
+ ;;(map destroy text-items)
+
+ (set! (text-items go) '())
+ (debugf "page-stencil ~S: ~S\n"
+ (page-number go)
+ (vector-ref (page-stencils go) (page-number go)))
+
+ (ly:interpret-stencil-expression
+ ;; ;;(vector-ref (page-stencils go) (page-number go))
+ (ly:stencil-expr (vector-ref (page-stencils go) (page-number go)))
+ gnome-output-expression go '(0 . 0))
+
+ (if old-canvas (destroy old-canvas))
+ (add (scrolled go) (canvas go))
+ (show (canvas go)))))
+
+(define x-editor #f)
+(define (get-x-editor)
+ (if (not x-editor)
+ (set! x-editor (getenv "XEDITOR")))
+ x-editor)
+
+(define ifs #f)
+(define (get-ifs)
+ (if (not ifs)
+ (set! ifs (getenv "IFS")))
+ (if (not ifs)
+ (set! ifs " "))
+ ifs)
+
+(define (spawn-editor location)
+ (let* ((file-name (car location))
+ (line (cadr location))
+ (column (caddr location))
+ (template (substring (get-x-editor) 0))
+
+ ;; Adhere to %l %c %f?
+ (command
+ (regexp-substitute/global
+ #f "%l" (regexp-substitute/global
+ #f "%c"
+ (regexp-substitute/global
+ #f "%f" template 'pre file-name 'post)
+ 'pre (number->string column)
+ 'post)
+ 'pre (number->string line) 'post)))
+
+ (debugf "spawning: ~s\n" command)
+ (if (= (primitive-fork) 0)
+ (let ((command-list (string-split command #\ )));; (get-ifs))))
+ (apply execlp command-list)
+ (primitive-exit)))))
+
+(define location-callback spawn-editor)
+
+(define (get-location grob)
+ (and-let* ((p? (procedure? point-and-click))
+ (g grob)
+ (cause (ly:grob-property grob 'cause))
+ (music-origin (if (ly:music? cause)
+ (ly:music-property cause 'origin)
+ ;; How come #<unspecied> [and '()]
+ ;; are #t? :-(
+ #f)))
+ (if (ly:input-location? music-origin)
+ (ly:input-location music-origin)
+ #f)))
+
+
+(define-method (tweak (go <gnome-outputter>) item offset)
+ (let* ((grob (hashq-ref (item-grobs go) item #f))
+ (extra-offset (ly:grob-property grob 'extra-offset))
+ (origin (if (null? extra-offset) '(0 . 0)
+ (offset-flip-y extra-offset))))
+
+ (if grob
+ (ly:grob-replace-tweak
+ grob (list tweak-grob-property
+ 'extra-offset
+ (offset-flip-y (offset-add origin offset)))))))
+
+(define-method (save-tweaks (go <gnome-outputter>))
+ (let* ((dumper (ly:make-dumper))
+ (tweaks (ly:all-tweaks))
+ (serialized-tweaks
+ (map
+ (lambda (tweak) (append
+ (list (ly:dumper-key-serial dumper (car tweak))
+ (list 'unquote (procedure-name (cadr tweak))))
+ (cddr tweak)))
+ tweaks)))
+
+ (if (not (null? serialized-tweaks))
+ (let ((file (open-file (string-append (name go) ".twy") "w")))
+ (format file
+ ";;;tweaks. Generated file. Do not edit.
+(ly:tweak-clear-registry)
+(ly:tweak-define-keys `~S)
+(ly:tweak-define-tweaks `~S)"
+ (ly:dumper-definitions dumper)
+ serialized-tweaks)))))
+
+;;;(define (item-event go grob item event)
+(define (item-event go item event)
+ ;;(stderr "EVENT: ~S\n" event)
+ ;;(stderr "TYPE: ~S\n" (gdk-event:type event))
+ (case (gdk-event:type event)
+ ((enter-notify) (gobject-set-property item 'fill-color "red"))
+ ((leave-notify) (gobject-set-property item 'fill-color "black"))
+ ((motion-notify) (if (ly:grob? (dragging go))
+ (let ((x (gdk-event-motion:x event))
+ (y (gdk-event-motion:y event))
+ (s output-scale)
+ (r (drag-location go)))
+ ;;(stderr "MOVED AT: ~S ~S\n" x y)
+ (move item (/ (- x (car r)) s) (/ (- y (cdr r)) s))
+ (set! (drag-location go) (cons x y)))))
+ ((button-release) (if (ly:grob? (dragging go))
+ (let ((x (gdk-event-button:x event))
+ (y (gdk-event-button:y event))
+ (s output-scale)
+ (o (drag-origin go))
+ (r (drag-location go)))
+ (move item (/ (- x (car r)) s) (/ (- y (cdr r)) s))
+ (set! (drag-location go) #f)
+ (set! (drag-origin go) #f)
+ (stderr "RELEASE at: ~S ~S\n" x y)
+ (set! (dragging go) #f)
+ (tweak go item (cons (/ (- x (car o)) s)
+ (/ (- y (cdr o)) s))))))
+ ((button-press)
+ (let ((button (gdk-event-button:button event)))
+ (cond
+ ((= button 1)
+ (if (null? (gdk-event-button:modifiers event))
+ (let ((x (gdk-event-button:x event))
+ (y (gdk-event-button:y event)))
+ (stderr "CLICK at: ~S ~S\n" x y)
+ (set! (dragging go) (hashq-ref (item-grobs go) item #f))
+ (set! (drag-origin go) (cons x y))
+ (set! (drag-location go) (cons x y)))
+ (begin
+ (stderr "CLICK WITH MODIFIERS: ~S\n"
+ (gdk-event-button:modifiers event))
+
+ ;; some modifier, do jump to source
+ (and-let* ((grob (hashq-ref (item-grobs go) item #f))
+ (location (get-location grob)))
+ (location-callback location)))))
+ ((= button 2)
+ (and-let* ((grob (hashq-ref (item-grobs go) item #f)))
+
+ (let ((properties (ly:grob-properties grob))
+ (basic-properties (ly:grob-basic-properties grob))
+ (x (inexact->exact (gdk-event-button:x-root event)))
+ (y (inexact->exact (gdk-event-button:y-root event))))
+
+ (debugf "GROB: ~S\n" grob)
+ (debugf "PROPERTIES: ~S\n" properties)
+ (debugf "BASIC PROPERTIES: ~S\n" basic-properties)
+
+ ;; FIXME: dialog iso window?
+ ;; http://www.gtk.org/tutorial/sec-textentries.html
+ (let ((window (make <gtk-window>))
+ (vbox (make <gtk-vbox>))
+ (ok (make <gtk-button> #:label "Ok")))
+
+ (add window vbox)
+ (connect ok 'clicked (lambda (b) (destroy window)))
+
+ (for-each
+ (lambda (x)
+ (let ((label (make <gtk-label>
+ ;;#:label (symbol->string (car x))))
+ #:label (format #f "~S" (car x))))
+ ;;(symbol->string (car x))))
+ (entry (make <gtk-entry>
+ #:text (format #f "~S" (cdr x))))
+ (hbox (make <gtk-hbox>)))
+ (add hbox label)
+ (add hbox entry)
+ (set-size-request label 150 BUTTON-HEIGHT)
+ (add vbox hbox)))
+ (append properties basic-properties))
+ (add vbox ok)
+
+ (show-all window)
+ (move window x y))))))))
+
+ ((2button-press) (gobject-set-property item 'fill-color "green"))
+ ((key-press)
+ (let ((keyval (gdk-event-key:keyval event))
+ (mods (gdk-event-key:modifiers event))
+ (step (quotient (pixels-per-unit go) 2)))
+ (cond ((and (null? mods)
+ (eq? keyval gdk:Up))
+ (tweak go item (cons 0 (- 0 step))))
+ ((and (null? mods)
+ (eq? keyval gdk:Down))
+ (tweak go item (cons 0 step)))
+ ((and (null? mods)
+ (eq? keyval gdk:Left))
+ (tweak go item (cons (- 0 step) 0)))
+ ((and (null? mods)
+ (eq? keyval gdk:Right))
+ (tweak go item (cons step 0)))))))
+ #t)
+
+(define (scale-canvas go factor)
+ (set! (pixels-per-unit go) (* (pixels-per-unit go) factor))
+ (set-pixels-per-unit (canvas go) (pixels-per-unit go))
+ (for-each
+ (lambda (x)
+ (let ((scale (gobject-get-property x 'scale))
+ (points (gobject-get-property x 'size-points)))
+ ;;(gobject-set-property x 'scale pixels-per-unit)
+ (gobject-set-property x 'size-points (* points factor))))
+ (text-items go)))
+
+(define (key-press-event go item event)
+ (let ((keyval (gdk-event-key:keyval event))
+ (mods (gdk-event-key:modifiers event)))
+ (cond ((and (or (eq? keyval gdk:q)
+ (eq? keyval gdk:w))
+ (equal? mods '(control-mask modifier-mask)))
+ (gtk-main-quit))
+ ((and (eq? keyval gdk:s)
+ (equal? mods '(control-mask modifier-mask)))
+ (save-tweaks go))
+ ((and #t ;;(null? mods)
+ (eq? keyval gdk:plus))
+ (scale-canvas go 2))
+ ((and #t ;; (null? mods)
+ (eq? keyval gdk:minus))
+ (scale-canvas go 0.5))
+ ((or (eq? keyval gdk:Page-Up)
+ (eq? keyval gdk:BackSpace))
+ (dump-page go (1- (page-number go))))
+ ((or (eq? keyval gdk:Page-Down)
+ (eq? keyval gdk:space))
+ (dump-page go (1+ (page-number go)))))
+ #f))
+
+(define (new-canvas go)
+ (set! (canvas go) (make <gnome-canvas>))
+ (set-size-request (canvas go) (window-width go) (window-height go))
+ (set-scroll-region (canvas go) 0 0 (canvas-width go) (canvas-height go))
+ (set-pixels-per-unit (canvas go) (pixels-per-unit go))
+ (make <gnome-canvas-rect>
+ #:parent (root (canvas go))
+ #:x2 (canvas-width go) #:y2 (canvas-height go)
+ #:fill-color "white"))
+
+(define output-gnome-module #f)
+(define (get-output-gnome-module go)
+ (if (not output-gnome-module)
+ (let ((m (resolve-module '(scm output-gnome))))
+ (module-define! m 'canvas-root (lambda () (root (canvas go))))
+ (module-define! m 'output-scale output-scale)
+ (set! output-gnome-module m)))
+ output-gnome-module)
+(define-public (gnome-output-expression go expr)
+ (let* ((m (get-output-gnome-module go))
+ (result (eval expr m)))
+ (cond
+ ((ly:grob? result) (set! (grob go) result))
+ ((is-a? result <gnome-canvas-item>)
+
+ ;; AAARGH; grobs happen after stencils
+ ;; (connect result 'event (lambda (w e) (item-event go (grob go) w e)))
+ (connect result 'event (lambda (w e) (item-event go w e)))
+ (if (grob go)
+ (hashq-set! (item-grobs go) result (grob go)))
+ (set! (grob go) #f)
+
+ (if (is-a? result <gnome-canvas-text>)
+ (set! (text-items go) (cons result (text-items go))))))))
projects / lilypond.git / blobdiff