;;;;
;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
-(define-module (scm framework-gnome)
- :use-module (oop goops)
- #:export (<gnome-outputter>))
+;;;; See output-gnome.scm for usage information.
-;;(define this-module (current-module))
+
+(define-module (scm framework-gnome))
(use-modules (guile) (oop goops) (lily))
(use-modules
+ (ice-9 regex)
(gnome gtk)
- (gnome gtk gdk-event)
- ;;
-;; (scm output-gnome)
- )
+ (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-gnome outputter book scopes fields basename)
+ (if #t
+ (gnome-main book)
+ (ly:outputter-dump-stencil
+ outputter
+ (ly:make-stencil (list 'gnome-main book) '(0 . 0) '(0 . 0)))))
+
+;; WTF? -- jcn
+;; Yay, I *finally* found it!
+(define-public output-framework output-framework-gnome)
+
(define SCROLLBAR-SIZE 20)
(define BUTTON-HEIGHT 25)
(define PANELS-HEIGHT 80)
(define PIXELS-PER-UNIT 2)
(define OUTPUT-SCALE (* 2.5 PIXELS-PER-UNIT))
+(define-public output-scale OUTPUT-SCALE)
-;; helper functions -- sort this out
(define (stderr string . rest)
;; debugging
- (if #t
+ (if #f
(begin
(apply format (cons (current-error-port) (cons string rest)))
(force-output (current-error-port)))))
-
-;; Hmm, actually, the only vars really needed by output-gnome are
-;; * (root (canvas go))
-;; * location
-;; * item-locations
-;; * pixels-per-unit
-;; * text-items
-;;
-;; so this class could be split in two parts / records?
(define-class <gnome-outputter> ()
(page-stencils ;;#:init-value '#()
#:init-keyword #:page-stencils #:accessor page-stencils)
(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)
- (location #:init-value #:f #:accessor location)
+ (location #:init-value #f #:accessor location)
(item-locations #:init-value (make-hash-table 31) #:accessor item-locations)
(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>))
-;; )
-
-(define (setup go)
+(define-method (initialize (go <gnome-outputter>))
(let* ((button (make <gtk-button> #:label "Exit"))
(next (make <gtk-button> #:label "Next"))
(prev (make <gtk-button> #:label "Previous"))
(hbox (make <gtk-hbox> #:homogeneous #f)))
(set-size-request (window go) (window-width go) (window-height go))
+
+ (set-size-request (scrolled go) (window-width go) (- (window-height go)
+ BUTTON-HEIGHT
+ SCROLLBAR-SIZE))
(new-canvas go)
(add vbox hbox)
(set-size-request hbox (window-width go) BUTTON-HEIGHT)
- ;; hmm?
+ ;; 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 button (quotient (window-width go) 2) BUTTON-HEIGHT)
+
+
(add hbox next)
(add hbox prev)
(add hbox button)
(show-all (window go))))
-(define-public (output-framework-gnome outputter book scopes fields basename)
+(define-public global-go #f)
+
+(define (gnome-main book)
(let* ((book-paper (ly:paper-book-book-paper book))
-
- (hsize (ly:output-def-lookup book-paper 'hsize))
+ (hsize (ly:output-def-lookup book-paper 'hsize))
(vsize (ly:output-def-lookup book-paper 'vsize))
(page-width (inexact->exact (ceiling (* OUTPUT-SCALE hsize))))
(page-height (inexact->exact (ceiling (* OUTPUT-SCALE vsize))))
(min (+ BUTTON-HEIGHT SCROLLBAR-SIZE (* page-height 2))
desktop-height))))
- (setup go)
- (dump-page go 0)
- (gtk-main)))
-
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;;; gnome stuff --- move to framework-gnome
-;;(define (dump-page (go <gnome-outputter>) number)
-
-(define output-gnome-module
- (make-module 1021 (list (resolve-interface '(scm output-gnome)))))
+ ;; ugh. The GOOPS doc promises this is called automagically.
+ (initialize go)
-(define-public (gnome-output-expression go expr)
- (stderr "HI\n")
- (let ((m output-gnome-module))
-
- ;; this does not seem to work
- (module-define! m 'go go)
-
- (eval expr m)))
+ (map ly:pango-add-afm-decoder
+ '("lilypond-feta"
+ "lilypond-braces"
+ "lilypond-dyn"
+ "lilypond-parmesan"))
+ (dump-page go 0)
+ ;; ugh
+ (set! global-go go)
+
+ (gtk-main)))
(define (dump-page go number)
(if (or (not (page-stencils go))
;;(map destroy (gtk-container-get-children main-canvas))
;;(map destroy text-items)
- ;;Hmm
- ;;(set! main-canvas canvas)
(set! (text-items go) '())
- ;;(ly:outputter-dump-stencil output-canvas
- ;; (vector-ref page-stencils page-number))
(stderr "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))
+ ;; ;;(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 location-callback spawn-editor)
-(define (item-event item event . data)
+;;(define (item-event item event . data)
+(define-public (item-event item event . data)
(case (gdk-event:type event)
((enter-notify) (gobject-set-property item 'fill-color "red"))
((leave-notify) (gobject-set-property item 'fill-color "black"))
((button-press)
- (let ((location (hashq-ref item-locations item #f)))
+
+ ;;FIXME
+ (let ((location (hashq-ref (item-locations global-go) item #f)))
+
(if location
(location-callback location)
(stderr "no location\n"))))
(scale-canvas 0.5))
((or (eq? keyval gdk:Page-Up)
(eq? keyval gdk:BackSpace))
- (dump-page (1- page-number)))
+ ;;FIXME
+ (dump-page global-go (1- (page-number global-go))))
((or (eq? keyval gdk:Page-Down)
(eq? keyval gdk:space))
- (dump-page (1+ page-number))))
+ ;;FIXME
+ (dump-page global-go (1+ (page-number global-go)))))
#f))
-;;(define (new-canvas go <gnome-outputter>)
(define (new-canvas go)
(set! (canvas go) (make <gnome-canvas>))
(set-size-request (canvas go) (window-width go) (window-height 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
+ ((and (pair? result)
+ (eq? (car result) 'location))
+ (set! (location go) (cdr result)))
+ ((is-a? result <gnome-canvas-item>)
+ (gtype-instance-signal-connect result 'event item-event)
+ (if (location go)
+ (hashq-set! (item-locations go) result (location go)))))))
+
projects / lilypond.git / blobdiff