Hans Dijkema
f8057fccc5
NB. does not work currently with the linux flatpak stuff. Signed-off-by: Hans Dijkema <hans@dijkewijk.nl>
253 lines
8.7 KiB
Racket
253 lines
8.7 KiB
Racket
#lang racket/gui
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(require "../main.rkt"
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racket/runtime-path
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racket/gui
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simple-ini/class
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)
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(provide
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(all-from-out racket/gui)
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example-1-window%
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Example 1
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-runtime-path html-start "example-1.html")
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(define-runtime-path dialog-html "example-1-dialog.html")
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(define test-menu (menu (menu-item 'm-file "File"
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#:submenu
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(menu (menu-item 'm-open "Open File")
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(menu-item 'm-close "Close File")
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(menu-item 'm-select-dir "Select Folder" #:separator #t)
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(menu-item 'm-quit "Quit" #:separator #t)))
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(menu-item 'm-edit "Edit"
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#:submenu
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(menu (menu-item 'm-copy "Copy")
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(menu-item 'm-cut "Cut")
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(menu-item 'm-paste "Paste")
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(menu-item 'm-prefs "Preferences" #:separator #t)
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))
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(menu-item 'm-auto "Processes"
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#:submenu
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(menu (menu-item 'm-start "Start counter")
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(menu-item 'm-stop "Stop counter")
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))
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))
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(define example-1-dialog%
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(class ww-webview-dialog%
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(inherit-field settings)
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(super-new [html-file dialog-html]
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[width 400]
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[height 300])
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(define/override (html-loaded)
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(super html-loaded)
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(ww-debug "html-loaded for example-1-dialog%")
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(let* ((btn (send this element 'ok-btn)))
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(send btn connect 'click (λ (data)
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(send this close))))
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(let* ((inp1 (send this element 'inp1))
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(inp2 (send this element 'inp2))
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(inp3 (send this element 'inp3)))
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(send inp1 set! (send settings get 'inp1 "<input 1 not set yet>"))
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(send inp2 set! (send settings get 'inp2 "<input 2 not set yet>"))
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(send inp3 set! (send settings get 'inp3 "<input 3 not set yet>"))
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(send inp1 on-change!
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(λ (val)
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(send settings set! 'inp1 val)))
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(send inp2 on-change! (λ (val) (send settings set! 'inp2 val)))
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(send inp3 on-change! (λ (val) (send settings set! 'inp3 val)))
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)
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)
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)
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)
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(define-syntax inc
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(syntax-rules ()
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((_ var)
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(λ ()
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(set! var (+ var 1))
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var))))
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(define example-1-window%
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(class ww-webview%
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(inherit-field settings)
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(super-new [html-file html-start]
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)
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(define go-on-counter #f)
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(define c-counter 0)
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(define counter-inc 1)
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(define counter-thread #f)
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(define div-counter #f)
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(define my-dir (send settings get 'folder "."))
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(define/override (can-close?)
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(eq? counter-thread #f))
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(define/public (reset-counter)
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(set! go-on-counter #f)
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(set! counter-thread #f)
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)
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(define/public (inc-counter)
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(set! c-counter (+ c-counter counter-inc))
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(when (>= c-counter 1000)
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(set! counter-inc -1))
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(when (<= c-counter 0)
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(set! counter-inc 1))
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(send this update-counter))
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(define/public (update-counter)
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(send div-counter set-inner-html! (format "Count = ~a" c-counter))
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(when (and (> c-counter 0) (<= c-counter 100))
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(send div-counter set-style!
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(css-style '((background white)))))
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(when (and (> c-counter 100) (<= c-counter 200))
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(send div-counter set-style!
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(css-style '((background green) (color white)))))
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(when (and (> c-counter 200) (<= c-counter 300))
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(send div-counter set-style!
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(css-style '((background yellow) (font-size: 120%)))))
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(when (and (> c-counter 300) (<= c-counter 400))
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(send div-counter set-style!
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(css-style '((color white) (background orange) (font-size 110%)))))
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(when (and (> c-counter 400))
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(send div-counter set-style!
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(css-style '((color white) (background red) (font-size 120%) (font-weight bold)))))
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)
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(define/public (start-counter)
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(set! counter-thread
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(thread
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(λ ()
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(letrec ((f (λ ()
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(when go-on-counter
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(send this inc-counter)
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(sleep 0.01)
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(f)))))
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(set! go-on-counter #t)
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(f)))))
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)
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(define/public (set-folder new-dir)
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(set! my-dir new-dir)
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(send settings set 'folder new-dir)
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(let ((el (send this element 'folder)))
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(send el set-inner-html! (format "Selected folder: <b>~a</b>" my-dir))
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)
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)
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(define/override (choose-dir)
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(let ((new-dir (super choose-dir "Select a folder" my-dir)))
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(unless (eq? new-dir #f)
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(send this set-folder new-dir))))
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(define/public (prefs)
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(new example-1-dialog% [parent this] [settings (send this clone-settings 'example-1-dialog)]))
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(define/override (handle-navigate url type kind)
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(send this reset-counter)
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(super handle-navigate url type kind))
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(define/override (html-loaded)
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(ww-debug "HTML LOADED")
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(super html-loaded)
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(set! div-counter (send this element 'div-counter))
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(send this update-counter)
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(send this set-folder my-dir)
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(ww-debug "CONNECTING BUTTONS")
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(let* ((dialog-btn (send this element 'dialog-button))
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(start-stop-btn (send this element 'start-stop-button))
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(choose-dir-btn (send this element 'select-dir-button))
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)
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(send dialog-btn connect 'click
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(λ (data) (send this prefs)))
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(send start-stop-btn connect 'click
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(λ (data)
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(if (eq? counter-thread #f)
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(begin
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(send this start-counter)
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(send start-stop-btn set-inner-html! "Stop Counter"))
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(begin
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(send this reset-counter)
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(send start-stop-btn set-inner-html! "Start Counter"))
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)
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)
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)
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(send choose-dir-btn connect 'click
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(λ (data)
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(send this choose-dir)))
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)
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(ww-debug "SETTING MENU")
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(let* ((div-open (send this element 'div-open))
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(c-open 0)
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(div-close (send this element 'div-close))
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(c-close 0)
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(div-copy (send this element 'div-copy))
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(c-copy 0)
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(div-cut (send this element 'div-cut))
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(c-cut 0)
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(div-paste (send this element 'div-paste))
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(c-paste 0)
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)
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(send this set-menu! test-menu)
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(send this connect-menu! 'm-quit
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(λ ()
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(send this reset-counter)
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(send this close))
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)
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(let ((make-menu-executor (λ (item elem string count)
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(send this connect-menu! item
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(λ ()
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(send elem set-inner-html! (format "~a ~a" string (count)))))))
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)
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(make-menu-executor 'm-open div-open "Open file" (inc c-open))
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(make-menu-executor 'm-close div-close "Close file" (inc c-close))
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(make-menu-executor 'm-copy div-copy "Edit Copy" (inc c-copy))
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(make-menu-executor 'm-cut div-cut "Edit Cut" (inc c-cut))
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(make-menu-executor 'm-paste div-paste "Edit Paste" (inc c-paste))
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(send this connect-menu! 'm-start
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(λ () (send this start-counter)))
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(send this connect-menu! 'm-stop
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(λ () (send this reset-counter)))
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(send this connect-menu! 'm-prefs
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(λ () (send this prefs)))
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(send this connect-menu! 'm-select-dir
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(λ () (send this choose-dir)))
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)
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)
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)
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(begin
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(displayln "Yes this works!")
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)
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)
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)
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(define (run-example)
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(let* ((ini (new ini% [file 'web-racket-example1]))
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(settings (new ww-simple-ini% [ini ini] [section 'example-1-window]))
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(window (new example-1-window% [settings settings]))
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)
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window))
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