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original commit: c94c70ab9b03b02348a6126c3011293c6df92b66
This commit is contained in:
Robby Findler
parent
8d5bf57e48
commit
728f8842fb
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@ -1,198 +1,198 @@
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; filename : splash-image-path
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; title : title of window
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; width-default : number
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(module splash mzscheme
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(require (lib "class100.ss")
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(lib "class.ss")
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(lib "mred.ss" "mred"))
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(provide splash)
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(define (splash filename title width-default)
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(provide get-splash-bitmap get-splash-canvas get-splash-eventspace get-dropped-files
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start-splash shutdown-splash close-splash)
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(define splash-filename #f)
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(define splash-bitmap #f)
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(define splash-eventspace (make-eventspace))
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(define dropped-files null)
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(define (get-splash-bitmap) splash-bitmap)
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(define (get-splash-canvas) splash-canvas)
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(define (get-splash-eventspace) splash-eventspace)
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(define (get-dropped-files) dropped-files)
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(define (start-splash _splash-filename _splash-title width-default)
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(set! splash-title _splash-title)
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(set! splash-filename _splash-filename)
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(set! splash-max-width (max 1 (splash-get-resource (get-splash-width-resource) width-default)))
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(send gauge set-range splash-max-width)
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(send splash-frame set-label splash-title)
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(let/ec k
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(letrec-values
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([(splash-eventspace) (make-eventspace)]
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[(no-splash) (lambda () (k #f #f splash-eventspace void void void))]
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[(funny?) (let ([date (seconds->date (current-seconds))])
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(and (= (date-day date) 25)
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(= (date-month date) 12)))]
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[(funny-bitmap)
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(make-object bitmap%
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(build-path (collection-path "icons") "touch.bmp"))]
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[(funny-value) 0]
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[(funny-gauge%)
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(class100 canvas% (_max-value parent)
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(inherit get-dc min-width min-height stretchable-width stretchable-height)
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(private-field
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[max-value _max-value])
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(public
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[set-value
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(lambda (new-value)
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(let ([before-x
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(floor (* (send funny-bitmap get-width) (/ funny-value max-value)))]
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[after-x
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(ceiling (* (send funny-bitmap get-width)
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(/ (- new-value funny-value)
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max-value)))])
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(send (get-dc) draw-line
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(+ before-x 2) 0
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(+ after-x 2) 0)
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(send (get-dc) draw-line
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(+ before-x 2) (+ (send funny-bitmap get-height) 4)
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(+ after-x 2) (+ (send funny-bitmap get-height) 4))
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(send (get-dc) draw-bitmap-section bitmap
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(+ 2 before-x) 2
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before-x 0
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after-x (send funny-bitmap get-height)))
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(set! funny-value new-value))])
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(override
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[on-paint
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(lambda ()
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(let ([dc (get-dc)])
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(send dc clear)
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(send dc draw-rectangle 0 0
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(+ (send funny-bitmap get-width) 4)
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(+ (send funny-bitmap get-height) 4))
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(send dc draw-bitmap-section funny-bitmap
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2 2 0 0
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(* (send funny-bitmap get-width) (/ funny-value max-value))
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(send funny-bitmap get-height))))])
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(sequence
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(super-init parent)
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(min-width (+ (send funny-bitmap get-width) 4))
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(min-height (+ (send funny-bitmap get-height) 4))
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(stretchable-width #f)
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(stretchable-height #f)))]
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[(splash-get-resource)
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(lambda (name default)
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(let ([b (box 0)])
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(if (get-resource "mred" name b #f)
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(unbox b)
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default)))]
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[(set-resource)
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(lambda (name value)
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(write-resource "mred" name value (find-graphical-system-path 'setup-file)))]
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[(_1)
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(begin
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(unless filename
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(no-splash))
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(unless (file-exists? filename)
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(fprintf (current-error-port) "WARNING: bitmap path ~s not found~n" filename)
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(no-splash)))]
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[(splash-width-resource) (format "~a-splash-max-width" title)]
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[(splash-max-width) (max 1 (splash-get-resource splash-width-resource width-default))]
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[(splash-current-width) 0]
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[(splitup-path)
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(lambda (f)
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(let*-values ([(absf) (if (relative-path? f)
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(build-path (current-directory) f)
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f)]
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[(base name _1) (split-path absf)])
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(if base
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(let-values ([(base2 name2 _2) (split-path base)])
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(if base2
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(let-values ([(base3 name3 _2) (split-path base2)])
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(build-path name3 name2 name))
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(build-path name2 name)))
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name)))]
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[(quit-on-close?) #t]
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[(dropped-files) null]
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[(get-dropped-files) (lambda () dropped-files)]
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[(splash-frame%)
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(class100 frame% (title)
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(override
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[on-drop-file
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(lambda (filename)
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(set! dropped-files (cons filename dropped-files)))]
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[on-close
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(lambda ()
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(when quit-on-close?
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(exit)))])
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(sequence (super-init title)))]
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[(frame) (parameterize ([current-eventspace splash-eventspace])
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(make-object splash-frame% title))]
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[(_0) (send frame accept-drop-files #t)]
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[(bitmap-flag)
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(let ([len (string-length filename)])
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(if (<= len 4)
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'guess
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(let ([suffix (substring filename (- len 4) len)])
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(cond
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[(string-ci=? ".xpm" suffix) 'xpm]
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[(string-ci=? ".xbm" suffix) 'xbm]
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[(string-ci=? ".gif" suffix) 'gif]
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[(string-ci=? "pict" suffix) 'pict]
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[else 'xpm]))))]
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[(bitmap) (make-object bitmap% filename bitmap-flag)]
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[(_2) (unless (send bitmap ok?)
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(fprintf (current-error-port) "WARNING: bad bitmap ~s~n" filename)
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(no-splash))]
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[(splash-canvas%)
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(class100 canvas% args
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(inherit get-dc)
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(override
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[on-paint
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(lambda ()
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(send (get-dc) draw-bitmap bitmap 0 0))])
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(sequence
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(apply super-init args)))]
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[(panel) (make-object vertical-pane% frame)]
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[(logo-canvas) (make-object splash-canvas% panel)]
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[(h-panel) (make-object horizontal-pane% panel)]
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[(gauge)
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(if funny?
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(make-object funny-gauge% splash-max-width h-panel)
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(make-object gauge% #f splash-max-width h-panel '(horizontal)))]
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[(spacer) (make-object grow-box-spacer-pane% h-panel)]
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[(_3) (begin
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(send frame set-alignment 'center 'center)
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(send panel stretchable-width #f)
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(send panel stretchable-height #f)
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(send h-panel set-alignment 'center 'top)
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(send logo-canvas min-width (send bitmap get-width))
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(send logo-canvas min-height (send bitmap get-height))
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(send logo-canvas stretchable-width #f)
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(send logo-canvas stretchable-height #f)
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(send frame center 'both)
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(send frame show #t)
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(flush-display) (yield) (sleep)
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(flush-display) (yield) (sleep))]
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[(inc-splash)
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(lambda ()
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(set! splash-current-width (+ splash-current-width 1))
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(when (<= splash-current-width splash-max-width)
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(send gauge set-value splash-current-width)))]
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[(splash-load-handler)
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(lambda (old-load f)
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(let ([finalf (splitup-path f)])
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(inc-splash)
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(old-load f)))]
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[(_4) (current-load
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(let ([old-load (current-load)])
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(lambda (f)
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(splash-load-handler old-load f))))]
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[(shutdown-splash)
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(lambda ()
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(set! splash-load-handler (lambda (old-load f) (old-load f))))]
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[(close-splash)
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(lambda ()
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(inc-splash)
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(unless (= splash-max-width splash-current-width)
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(set-resource splash-width-resource (max 1 splash-current-width)))
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(set! quit-on-close? #f)
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(send frame show #f))])
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(values
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bitmap
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logo-canvas
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splash-eventspace
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get-dropped-files
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shutdown-splash
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close-splash)))))
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(define (no-splash)
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(set! splash-bitmap #f)
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(set! splash-canvas #f)
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(set! splash-eventspace #f)
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(set! dropped-files null)
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(k (void)))
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(unless splash-filename
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(no-splash))
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(unless (file-exists? splash-filename)
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(fprintf (current-error-port) "WARNING: bitmap path ~s not found~n" splash-filename)
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(no-splash))
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(set! splash-bitmap (make-object bitmap% splash-filename))
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(unless (send splash-bitmap ok?)
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(fprintf (current-error-port) "WARNING: bad bitmap ~s~n" splash-filename)
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(no-splash))
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(send splash-canvas min-width (send splash-bitmap get-width))
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(send splash-canvas min-height (send splash-bitmap get-height))
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(send splash-frame center 'both)
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(send splash-frame show #t)
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(flush-display) (yield) (sleep)
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(flush-display) (yield) (sleep)))
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(define splash-title "no title")
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(define splash-current-width 0)
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(define (get-splash-width-resource) (format "~a-splash-max-width" splash-title))
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(define splash-max-width 1)
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(define (close-splash)
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(unless (= splash-max-width splash-current-width)
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(set-resource (get-splash-width-resource) (max 1 splash-current-width)))
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(set! quit-on-close? #f)
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(when splash-frame
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(send splash-frame show #f)))
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(define (shutdown-splash)
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(set! splash-load-handler (lambda (old-load f) (old-load f))))
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(define funny?
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'(let ([date (seconds->date (current-seconds))])
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(and (= (date-day date) 25)
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(= (date-month date) 12))))
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(define (splash-load-handler old-load f)
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(let ([finalf (splitup-path f)])
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(set! splash-current-width (+ splash-current-width 1))
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(when (<= splash-current-width splash-max-width)
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(send gauge set-value splash-current-width))
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(old-load f)))
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(current-load
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(let ([old-load (current-load)])
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(lambda (f)
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(splash-load-handler old-load f))))
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(define funny-gauge%
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(class100 canvas% (parent)
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(inherit get-dc min-width min-height stretchable-width stretchable-height)
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(private-field
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[funny-value 0]
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[funny-bitmap (make-object bitmap%
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(build-path (collection-path "icons") "touch.bmp"))]
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[max-value 1])
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(public
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[set-range (lambda (r) (set! max-value r))]
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[set-value
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(lambda (new-value)
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(let* ([before-x
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(floor (* (send funny-bitmap get-width) (/ funny-value max-value)))]
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[after-x
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(ceiling (* (send funny-bitmap get-width) (/ new-value max-value)))]
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[width (- after-x before-x)])
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(send (get-dc) draw-line
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(+ before-x 2) 0
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(+ width 2) 0)
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(send (get-dc) draw-line
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(+ before-x 2) (+ (send funny-bitmap get-height) 4)
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(+ width 2) (+ (send funny-bitmap get-height) 4))
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(send (get-dc) draw-bitmap-section funny-bitmap
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(+ 2 before-x) 2
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before-x 0
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width (send funny-bitmap get-height)))
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(set! funny-value new-value))])
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(override
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[on-paint
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(lambda ()
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(let ([dc (get-dc)])
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(send dc clear)
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(send dc draw-rectangle 0 0
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(+ (send funny-bitmap get-width) 4)
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(+ (send funny-bitmap get-height) 4))
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(send dc draw-bitmap-section funny-bitmap
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2 2 0 0
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(* (send funny-bitmap get-width) (/ funny-value max-value))
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(send funny-bitmap get-height))))])
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(sequence
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(super-init parent)
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(min-width (+ (send funny-bitmap get-width) 4))
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(min-height (+ (send funny-bitmap get-height) 4))
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(stretchable-width #f)
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(stretchable-height #f))))
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(define (splash-get-resource name default)
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(let ([b (box 0)])
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(if (get-resource "mred" name b #f)
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(unbox b)
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default)))
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(define (set-resource name value)
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(write-resource "mred" name value (find-graphical-system-path 'setup-file)))
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(define (splitup-path f)
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(let*-values ([(absf) (if (relative-path? f)
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(build-path (current-directory) f)
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f)]
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[(base name _1) (split-path absf)])
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(if base
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(let-values ([(base2 name2 _2) (split-path base)])
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(if base2
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(let-values ([(base3 name3 _2) (split-path base2)])
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(build-path name3 name2 name))
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(build-path name2 name)))
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name)))
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(define quit-on-close? #t)
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(define splash-frame%
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(class frame%
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(override on-drop-file on-close)
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(define (on-drop-file filename)
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(set! dropped-files (cons filename dropped-files)))
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(define (on-close)
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(when quit-on-close?
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(exit)))
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(super-instantiate ())))
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(define splash-canvas%
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(class100 canvas% args
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(inherit get-dc)
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(override
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[on-paint
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(lambda ()
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(if splash-bitmap
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(send (get-dc) draw-bitmap splash-bitmap 0 0)
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(send (get-dc) clear)))])
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(sequence
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(apply super-init args))))
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(define splash-frame
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(parameterize ([current-eventspace splash-eventspace])
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(instantiate splash-frame% ()
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(label splash-title)
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(style '(no-resize-border)))))
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(send splash-frame set-alignment 'center 'center)
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(send splash-frame accept-drop-files #t)
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(define panel (make-object vertical-pane% splash-frame))
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(define splash-canvas (make-object splash-canvas% panel))
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(define h-panel (make-object horizontal-pane% panel))
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(define gauge
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(if funny?
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(make-object funny-gauge% h-panel)
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(make-object gauge% #f splash-max-width h-panel '(horizontal))))
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(send panel stretchable-width #f)
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(send panel stretchable-height #f)
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(send h-panel set-alignment 'center 'top)
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(send splash-canvas stretchable-width #f)
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(send splash-canvas stretchable-height #f))
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