Hans Dijkema
5811df919c
with the DrRacket WxWidgets base, which is also Gtk. So this will never work reliable. We're going back to inter process communication instead of integrating on library/FFI/thread level. Signed-off-by: Hans Dijkema <hans@dijkewijk.nl>
662 lines
20 KiB
Racket
662 lines
20 KiB
Racket
(module web-racket racket/gui
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(require racket/gui
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"web-wire.rkt"
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"css.rkt"
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"menu.rkt"
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"../utils/sprintf.rkt"
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html-printer
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(prefix-in g: gregor)
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(prefix-in g: gregor/time)
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gregor-utils
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net/sendurl
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)
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(provide ww-element%
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ww-input%
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ww-window%
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ww-start
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ww-stop
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ww-set-debug
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ww-debug
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ww-error
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(all-from-out "css.rkt")
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Regexes
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define re-resize #px"([0-9]+)\\s+([0-9]+)")
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(define re-move re-resize)
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(define re-file-open #px"([0-9]+)[:]([^:]+)[:](.*)")
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(define re-choose-dir re-file-open)
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(define re-navigate #px"(.*)[:]([^:]+)[:]([^:]+)$")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; GUI classes
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define _std_x 100)
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(define _std_y 100)
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(define _std_w 800)
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(define _std_h 600)
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(define (next-window-init-position)
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(set! _std_x (+ _std_x 75))
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(set! _std_y (+ _std_y 50))
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(call-with-values
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get-display-size
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(lambda (w h)
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(when (> (+ _std_y _std_h) h)
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(set! _std_y 50))
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(when (> (+ _std_x _std_w) w)
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(set! _std_x 50))
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)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Class representing an element in the HTML page
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;; each element is identified by an id.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define ww-element%
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(class object%
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(init-field [win-id #f] [id #f])
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(define/public (get-win-id)
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win-id)
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(define/public (get-id)
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id)
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(define/public (win)
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(let ((w (hash-ref windows (ww-win-id win-id) #f)))
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w))
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(define connected-callbacks (make-hash))
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(define/public (callback evt . args)
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(ww-debug (format "Callback for ~a - ~a - ~a" id evt args))
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(let ((cb (hash-ref connected-callbacks evt #f)))
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(unless (eq? cb #f)
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(with-handlers ([exn:fail?
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(λ (e)
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(ww-error (format "callback for ~a: ~a" evt e)))])
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(apply cb args)))))
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(define/public (connect evt func)
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(hash-set! connected-callbacks evt func))
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(define/public (disconnect evt)
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(hash-remove! connected-callbacks evt))
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(define/public (add-style! st)
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(ww-add-style win-id id st))
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(define/public (set-style! st)
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(ww-set-style win-id id st))
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(define/public (style)
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(ww-get-style win-id id))
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(define/public (get-attr a)
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(ww-get-attr win-id id a))
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(define/public (set-attr! a val)
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(ww-set-attr win-id id a val))
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(define/public (del-attr a)
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(ww-del-attr win-id id a))
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(define/public (get-attrs)
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(ww-get-attrs win-id id))
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(define/public (add-class! cl)
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(ww-add-class win-id id cl))
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(define/public (remove-class! cl)
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(ww-remove-class win-id id cl))
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(define/public (has-class? cl)
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(ww-has-class? win-id id cl))
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(define/public (enable)
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(send this remove-class! 'disabled))
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(define/public (enabled?)
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(not (send this disabled?)))
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(define/public (disable)
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(send this add-class! 'disabled))
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(define/public (disabled?)
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(send this has-class? 'disabled))
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(define/public (display . args)
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(let ((d (if (null? args) "block" (car args))))
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(send this add-style! (css-style 'display d))))
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(define/public (hide)
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(send this display "none"))
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(define/public (show)
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(send this display "block"))
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(define/public (show-inline)
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(send this display "inline-block"))
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(define/public (set-inner-html html-or-sexpr)
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(if (string? html-or-sexpr)
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(ww-set-inner-html win-id id html-or-sexpr)
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(set-inner-html (xexpr->html5 html-or-sexpr))))
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(super-new)
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)
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Classes representing different kinds of input/textarea elements in html
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-syntax inp-set!
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(syntax-rules ()
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((_ var val)
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(set! var val))))
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;;;; Generic input
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(define ww-input%
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(class ww-element%
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(define val #f)
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(define/public (get)
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val)
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(define/public (set! v)
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(inp-set! val v)
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(ww-set-value (send this get-win-id)
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(send this get-id) v))
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(define/override (disable)
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(super disable)
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(ww-set-attr (send this get-win-id)
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(send this get-id) 'disabled ""))
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(define/override (enable)
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(super enable)
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(ww-del-attr (send this get-win-id)
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(send this get-id) 'disabled))
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(super-new)
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(begin
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(inp-set! val (ww-get-value (send this get-win-id)
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(send this get-id)))
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(send this connect 'input (λ (data)
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(ww-debug data)
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(let ((js-evt (hash-ref data 'js-evt #f)))
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(unless (eq? js-evt #f)
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(when (hash-has-key? js-evt 'value)
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(inp-set! val (hash-ref js-evt 'value)))))))
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(send (send this win) bind 'input (format "#~a" (send this get-id)))
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)
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))
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;;;; Email input
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(define ww-input-email%
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(class ww-input%
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(super-new)))
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;;;; Date input
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(define ww-input-date%
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(class ww-input%
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(define/override (get)
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(let ((val (super get)))
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(g:parse-date val "yyyy-MM-dd")))
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(define/override (set! d)
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(when (racket-date? d)
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(set! (date->moment d)))
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(unless (or (g:date? d) (g:moment? d) (g:datetime? d))
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(error "set! - gregor date expected"))
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(super set! (sprintf "%04d-%02d-%02d" (g:->year d) (g:->month d) (g:->day d)))
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d)
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(super-new)
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))
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;;;; Time input
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(define ww-input-time%
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(class ww-input%
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(define/override (get)
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(let ((val (super get)))
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(with-handlers ([exn:fail?
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(λ (e) (g:parse-time val "HH:mm"))])
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(g:parse-time val "HH:mm:ss"))))
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(define/override (set! t)
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(when (racket-date? t)
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(set! (date->moment t)))
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(unless (or (g:time? t) (g:datetime? t) (g:moment? t))
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(error "set! - gregor time?, moment? or datetime? expected"))
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(super set! (sprintf "%02d:%02d:%02d" (g:->hours t) (g:->minutes t) (g:->seconds t))))
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(super-new)
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))
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;;;;; Date-time local
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(define ww-input-datetime%
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(class ww-input%
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(define/override (get)
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(let ((val (super get)))
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(with-handlers ([exn:fail?
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(λ (e) (g:parse-moment val "yyyy-MM-dd'T'HH:mm:ss"))])
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(g:parse-moment val "yyyy-MM-dd'T'HH:mm"))))
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(define/override (set! m)
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(when (racket-date? m)
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(set! date->moment m))
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(unless (or (g:datetime? m) (g:moment? m) (g:date? m) (g:time? m))
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(error "set! - gregor time? , date?, datetime? or moment? expected"))
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#t)
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(super-new)
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)
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)
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;;;; Range
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(define ww-input-range%
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(class ww-input%
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(define/override (get)
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(let ((val (super get)))
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val))
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(super-new)
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))
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(define ww-window%
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(class object%
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(init-field [profile 'default-profile]
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[use-browser #f]
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[parent-id #f]
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[parent #f]
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[title "Racket HTML Window"]
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[x _std_x]
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[y _std_y]
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[width _std_w]
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[height _std_h]
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[icon #f]
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[menu #f]
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[html-file #f]
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)
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(define win-id #f)
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(define menu-cbs (make-hash))
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(define elements (make-hash))
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(define html-handle #f)
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(define (event-handler evt content)
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(ww-debug (format "win-id=~a '~a ~a" win-id evt content))
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(cond
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([eq? evt 'page-loaded] (let ((page-handle (hash-ref content 'page_handle 'none)))
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(ww-debug (format "html-handle: ~a, page-handle: ~a, equal?: ~a"
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html-handle
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page-handle
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(equal? html-handle page-handle)))
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(when (and (number? html-handle) (number? page-handle) (= html-handle page-handle))
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(send this html-loaded))))
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([eq? evt 'click] (handle-click (string->symbol (hash-ref content 'id)) content))
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([eq? evt 'input] (handle-input (string->symbol (hash-ref content 'id)) content))
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([eq? evt 'change] (handle-change (string->symbol (hash-ref content 'id)) content))
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([eq? evt 'resized] (let* ((width* (hash-ref content 'width))
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(height* (hash-ref content 'height))
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)
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(set! width width*)
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(set! height height*)))
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([eq? evt 'moved] (let* ((x* (hash-ref content 'x))
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(y* (hash-ref content 'y))
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)
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(set! x x*)
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(set! y y*)
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))
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([eq? evt 'request-close] (when (send this can-close?)
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(send this close)))
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([eq? evt 'menu-item-choosen] (let* ((menu-id (string->symbol (hash-ref content 'item)))
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(cb (hash-ref menu-cbs menu-id #f)))
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(unless (eq? cb #f)
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(cb))))
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([eq? evt 'navigate] (let* ((url (hash-ref content 'url))
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(kind (string->symbol (hash-ref content
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'navigation-kind)))
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(type (string->symbol (hash-ref content
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'navigation-type)))
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)
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(send this handle-navigate url type kind)))
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)
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)
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(define/public (handle-click element-id data)
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(let ((el (hash-ref elements element-id #f)))
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(unless (eq? el #f)
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(ww-debug (format "CALLING CALLBACK FOR ~a" element-id))
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(send el callback 'click data))))
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(define/public (handle-change element-id data)
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(let ((el (hash-ref elements element-id #f)))
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(unless (eq? el #f)
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(send el callback 'change data 'value))))
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(define/public (handle-input element-id data)
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(let ((el (hash-ref elements element-id #f)))
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(unless (eq? el #f)
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(send el callback 'input data))))
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(define/public (handle-navigate url type kind)
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(let ((method (if (eq? kind 'set-html) 'set-html-file! 'set-url)))
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(cond
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([eq? type 'standard]
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(dynamic-send this method url))
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(else (ww-error (format "Don't know what to do for ~a - ~a" type url)))
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)
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)
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)
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(define/public (get-win-id) win-id)
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(define (cl-selector tag type)
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(cond
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([eq? tag 'INPUT]
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(cond
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([eq? type 'text] ww-input%)
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([eq? type 'date] ww-input-date%)
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([eq? type 'datetime-local] ww-input-datetime%)
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(else ww-input%)))
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(else ww-element%)))
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(define/public (bind event selector . forced-cl)
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(ww-debug (format "call to bind ~a ~a ~a" event selector forced-cl))
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(let ((infos (ww-bind win-id event selector)))
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(for-each (λ (info)
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(let* ((id (car info))
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(tag (cadr info))
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(type (caddr info)))
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(ww-debug (format "bind: ~a ~a ~a" id tag type))
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(let ((cl (if (null? forced-cl)
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(cl-selector tag type)
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(car forced-cl))))
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(unless (hash-has-key? elements id)
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(hash-set! elements id 'in-the-making)
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(hash-set! elements id
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(new cl [win-id win-id] [id id]))))))
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infos)))
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(define/public (bind-inputs)
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(bind 'change 'input )
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(bind 'change 'textarea)
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)
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(define/public (bind-buttons)
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(bind 'click 'button)
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)
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(define/public (element id)
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(unless (hash-has-key? elements id)
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(let ((info (ww-element-info win-id id)))
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(let* ((el-id (car info))
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(tag (cadr info))
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(type (caddr info))
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(exist (cadddr info))
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)
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(unless exist
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(ww-debug (format "Element ~a does not exist!" id)))
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(let* ((cl (cl-selector tag type))
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(obj (new cl [win-id win-id] [id id])))
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(hash-set! elements el-id obj)
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))
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(element id))
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)
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(hash-ref elements id))
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(define/public (get-elements selector)
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(ww-get-elements win-id selector))
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(define/public (move x y)
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(ww-move win-id x y))
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(define/public (resize x y)
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(ww-resize win-id x y))
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(define/public (get-x) x)
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(define/public (get-y) y)
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(define/public (get-width) width)
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(define/public (get-height) height)
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(define/public (geom) (list x y width height))
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(define/public (set-title! t)
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(set! title t)
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(ww-set-title win-id t))
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(define/public (get-title)
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title)
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(define/public (set-icon! icn)
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(ww-set-icon win-id icn))
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(define/public (set-html-file! file)
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(set! html-file file)
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(set! html-handle (ww-set-html win-id html-file))
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(ww-debug (format "html file set to ~a" html-file))
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)
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(define/public (set-url url)
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(send-url url))
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(define/public (html-loaded)
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(send this bind-buttons)
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(send this bind-inputs))
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(define/public (get-html-file)
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html-file)
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(define/public (show)
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(ww-set-show-state win-id 'show))
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(define/public (hide)
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(ww-set-show-state win-id 'hide))
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(define/public (maximize)
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(ww-set-show-state win-id 'maximize))
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(define/public (normalize)
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(ww-set-show-state win-id 'normalize))
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(define/public (minimize)
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(ww-set-show-state win-id 'minimize))
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(define/public (fullscreen)
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(ww-set-show-state win-id 'fullscreen))
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(define/public (show-state)
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(ww-get-show-state win-id))
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(define/public (can-close?)
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#t)
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(define/public (close)
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(ww-close win-id)
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(hash-remove! windows (ww-win-id win-id))
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(hash-remove! windows-evt-handlers (ww-win-id win-id))
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(when (= (hash-count windows) 0)
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(ww-stop))
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)
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(define/public (set-menu! menu-def)
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(ww-set-menu win-id menu-def))
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(define/public (connect-menu! id cb)
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(hash-set! menu-cbs id cb))
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; files and directories
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(define/public (file-open caption base-dir filters)
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(let ((r (ww-file-open win-id caption base-dir filters)))
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(if (eq? (car r) #f)
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#f
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(let ((m (regexp-match re-file-open (cdr r))))
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(if (eq? m #f)
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#f
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(let ((file (cadddr m)))
|
|
(ww-from-string file))
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
(define/public (file-save caption base-dir filters . overwrite)
|
|
(let ((o (if (null? overwrite) #f (car overwrite))))
|
|
(let ((r (ww-file-save win-id caption base-dir filters o)))
|
|
(if (eq? (car r) #f)
|
|
#f
|
|
(let ((m (regexp-match re-file-open (cdr r))))
|
|
(if (eq? m #f)
|
|
#f
|
|
(let ((file (cadddr m)))
|
|
(ww-from-string file))
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
(define/public (choose-dir caption base-dir)
|
|
(let ((r (ww-choose-dir win-id caption base-dir)))
|
|
(if (eq? (car r) #f)
|
|
#f
|
|
(let ((m (regexp-match re-choose-dir (cdr r))))
|
|
(if (eq? m #f)
|
|
#f
|
|
(let ((dir (caddr m)))
|
|
(ww-from-string dir))
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
; Supers first
|
|
(super-new)
|
|
|
|
; construct
|
|
(begin
|
|
(when (= (hash-count windows) 0)
|
|
(ww-start))
|
|
|
|
(when (eq? parent-id #f)
|
|
(unless (eq? parent #f)
|
|
(set! parent-id (send parent get-win-id))))
|
|
|
|
(when (eq? parent #f)
|
|
(unless (eq? parent-id #f)
|
|
(set! parent (ww-get-window-for-id parent-id))))
|
|
|
|
(next-window-init-position)
|
|
|
|
(set! win-id
|
|
(if (eq? parent-id #f)
|
|
(ww-new profile use-browser)
|
|
(ww-new profile use-browser parent-id)))
|
|
(when (eq? win-id #f)
|
|
(error "Window could not be constructed"))
|
|
|
|
(hash-set! windows-evt-handlers (ww-win-id win-id) event-handler)
|
|
(hash-set! windows (ww-win-id win-id) this)
|
|
|
|
(ww-move win-id x y)
|
|
(ww-resize win-id width height)
|
|
|
|
(send this set-title! title)
|
|
|
|
(unless (eq? icon #f)
|
|
(send this set-icon! icon))
|
|
|
|
(unless (eq? menu #f)
|
|
(send this set-menu! menu))
|
|
|
|
(unless (eq? html-file #f)
|
|
(send this set-html-file! html-file))
|
|
)
|
|
|
|
))
|
|
|
|
(define (set-global-stylesheet st)
|
|
(ww-set-stylesheet st))
|
|
|
|
(define (get-global-stylesheet)
|
|
(ww-get-stylesheet))
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; Testing stuff
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
(define test-menu (menu (menu-item 'm-file "File"
|
|
#:submenu
|
|
(menu (menu-item 'm-open "Open File")
|
|
(menu-item 'm-close "Close File")
|
|
(menu-item 'm-quit "Quit" #:separator #t)))
|
|
(menu-item 'm-edit "Edit"
|
|
#:submenu
|
|
(menu (menu-item 'm-copy "Copy")
|
|
(menu-item 'm-cut "Cut")
|
|
(menu-item 'm-paste "Paste")
|
|
(menu-item 'm-prefs "Preferences" #:separator #t)
|
|
))))
|
|
|
|
(define test-dialog%
|
|
(class ww-window%
|
|
(super-new [html-file "../../web-wire/test/dialog.html"]
|
|
[width 400]
|
|
[height 300])
|
|
|
|
(define/override (html-loaded)
|
|
(super html-loaded)
|
|
(ww-debug "html-loaded for test-dialog%")
|
|
(let* ((btn (send this element 'ok-btn)))
|
|
(send btn connect 'click (λ (data)
|
|
(send this close)))))
|
|
))
|
|
|
|
(define test-window%
|
|
(class ww-window%
|
|
(super-new [html-file "../../web-wire/test/test1.html"])
|
|
|
|
(define/override (html-loaded)
|
|
(ww-debug "HTML LOADED")
|
|
(super html-loaded)
|
|
(let* ((btn (send this element 'app-button)))
|
|
(send btn connect 'click (λ (data)
|
|
(new test-dialog% [parent this]))))
|
|
(ww-debug "SETTING MENU")
|
|
(send this set-menu! test-menu)
|
|
(send this connect-menu! 'm-quit (λ () (send this close)))
|
|
)
|
|
|
|
(begin
|
|
)
|
|
)
|
|
)
|
|
|
|
); end of module |