653 lines
18 KiB
Racket
653 lines
18 KiB
Racket
#lang racket
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(require "private/here-util.rkt"
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"private/gui.rkt"
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rackunit
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racket/gui/base
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framework)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; testing highlight-range method
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;;
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(check-equal?
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(let ([t (new text:basic%)])
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(send t insert "abc")
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(send t highlight-range 1 2 "red")
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(length (send t get-highlighted-ranges)))
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1)
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(check-equal?
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(let ([t (new text:basic%)])
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(send t insert "abc")
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((send t highlight-range 1 2 "red"))
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(length (send t get-highlighted-ranges)))
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0)
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(check-equal?
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(let ([t (new text:basic%)])
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(send t insert "abc")
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(send t highlight-range 1 2 "red")
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(send t unhighlight-range 1 2 "red")
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(length (send t get-highlighted-ranges)))
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0)
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(check-equal?
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(let ([t (new text:basic%)])
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(send t insert "abc")
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(send t highlight-range 1 2 "red")
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(send t highlight-range 1 2 "red")
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(send t unhighlight-range 1 2 "red")
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(length (send t get-highlighted-ranges)))
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1)
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(check-equal?
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(let ([t (new text:basic%)])
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(send t insert "abc")
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(send t highlight-range 1 2 "red")
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(send t highlight-range 1 2 "red")
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(send t unhighlight-range 1 2 "red")
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(send t unhighlight-range 1 2 "red")
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(length (send t get-highlighted-ranges)))
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0)
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(let ([tmp-file (path->string (make-temporary-file "fwtesttmp~a"))])
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(dynamic-wind
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void
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(λ ()
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(check-equal?
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(let ([t (new text:basic%)])
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(send t insert "abc")
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(send t save-file tmp-file)
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(send t highlight-range 0 3 "red")
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(call-with-output-file tmp-file
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(λ (port) (display "x\n" port))
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#:exists 'truncate)
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(send t load-file)
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(length (send t get-highlighted-ranges)))
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0))
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(λ () (delete-file tmp-file))))
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(check-equal?
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(let ([t (new text:delegate%)])
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(send t insert "abc")
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(send t highlight-range 1 2 "red")
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(send t unhighlight-range 1 2 "red")
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(length (send t get-highlighted-ranges)))
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0)
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(check-equal?
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(let ([t (new text:delegate%)])
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(send t set-delegate (new text:basic%))
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(send t insert "abc")
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(send t highlight-range 1 2 "red")
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(send t unhighlight-range 1 2 "red")
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(length (send t get-highlighted-ranges)))
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0)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; testing get-pos/text method
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;;
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(check-true
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(let* ([f (new frame% [label "Test frame"])]
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[t (new text:basic%)]
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[c (new editor-canvas% [parent f] [editor t])]
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[snip (make-object string-snip% "Test string")])
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(send t insert snip)
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(define-values (x-box y-box) (values (box 0) (box 0)))
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(send t get-snip-location snip x-box y-box)
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(send t local-to-global x-box y-box)
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(define event (new mouse-event% [event-type 'motion]
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[x (add1 (unbox x-box))]
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[y (add1 (unbox y-box))]))
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(let-values ([(pos edit) (send t get-pos/text event)])
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(and (real? pos) (is-a? edit text%)))))
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(check-true
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(let* ([f (new frame% [label "Test frame"])]
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[t (new text:basic%)]
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[c (new editor-canvas% [parent f] [editor t])]
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[snip (make-object string-snip% "Test string")])
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(send t insert snip)
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(define-values (x-box y-box) (values (box 0) (box 0)))
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(send t get-snip-location snip x-box y-box)
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(send t local-to-global x-box y-box)
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(define event (new mouse-event% [event-type 'motion]
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[x (+ 9999 (unbox x-box))]
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[y (+ 9999 (unbox y-box))]))
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(let-values ([(pos edit) (send t get-pos/text event)])
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(and (false? pos) (false? edit)))))
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(check-true
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(let* ([f (new frame% [label "Test frame"])]
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[t (new text:basic%)]
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[c (new editor-canvas% [parent f] [editor t])]
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[p (new pasteboard%)]
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[s-snip (make-object string-snip% "Test string")]
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[e-snip (new editor-snip% [editor p])])
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(send p insert s-snip)
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(send t insert e-snip)
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(define-values (x-box y-box) (values (box 0) (box 0)))
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(send t get-snip-location e-snip x-box y-box)
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(send t local-to-global x-box y-box)
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(define event (new mouse-event% [event-type 'motion]
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[x (add1 (unbox x-box))]
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[y (add1 (unbox y-box))]))
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(let-values ([(pos edit) (send t get-pos/text event)])
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(and (false? pos) (is-a? edit pasteboard%)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; all-string-snips<%>
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;;
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(check-true
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t all-string-snips?)))
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(check-true
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert "xx")
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(send t all-string-snips?)))
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(check-true
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert "xx")
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(send t delete 0 1)
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(send t all-string-snips?)))
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(check-true
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert "xx")
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(send t delete 0 2)
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(send t all-string-snips?)))
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(check-false
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert (new snip%))
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(send t all-string-snips?)))
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(check-true
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert (new snip%))
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(send t delete 0 1)
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(send t all-string-snips?)))
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(check-false
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert (new snip%))
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(send t insert (new snip%))
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(send t delete 0 1)
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(send t all-string-snips?)))
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(check-false
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert (new snip%))
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(send t insert "abcdef")
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(send t insert (new snip%))
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(send t delete 2 4)
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(send t all-string-snips?)))
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(check-false
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(let ()
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(define t (new (text:all-string-snips-mixin text%)))
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(send t insert "abcdef\n")
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(send t insert (new snip%) (send t last-position))
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(send t all-string-snips?)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; searching
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;;
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(define (run-search-test setup-code)
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(define answer (make-channel))
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(parameterize ([current-eventspace (make-eventspace)])
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(queue-callback
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(λ ()
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(define t (new text:searching%))
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(setup-code t)
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(let loop ()
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(cond
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[(send t search-updates-pending?)
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(queue-callback (λ () (loop)) #f)]
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[else
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(define-values (before total) (send t get-search-hit-count))
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(channel-put answer (list before total))])))))
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(channel-get answer))
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(check-equal?
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(run-search-test
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(λ (t)
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(send t insert "abc")
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(send t set-position 0 0)
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(send t set-searching-state "b" #f #f)))
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(list 0 1))
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(check-equal?
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(run-search-test
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(λ (t)
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(send t insert "abc")
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(send t set-position 3 3)
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(send t set-searching-state "b" #f #f)))
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(list 1 1))
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(check-equal?
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(run-search-test
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(λ (t)
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(send t insert "abc")
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(define t2 (new text%))
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(send t2 insert "abc")
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(send t insert (new editor-snip% [editor t2]))
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(send t2 insert "abc")
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(send t set-position 0 0)
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(send t set-searching-state "b" #f #f)))
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(list 0 3))
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(check-equal?
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(run-search-test
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(λ (t)
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(send t insert "abc")
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(define t2 (new text%))
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(send t2 insert "abc")
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(send t insert (new editor-snip% [editor t2]))
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(send t insert "abc")
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(send t set-position (send t last-position) (send t last-position))
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(send t set-searching-state "b" #f #f)))
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(list 3 3))
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(check-equal?
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(run-search-test
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(λ (t)
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(send t insert "abc")
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(define t2 (new text%))
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(send t2 insert "abc")
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(define t3 (new text%))
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(send t3 insert "abc")
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(send t2 insert (new editor-snip% [editor t3]))
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(send t2 insert "abc")
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(send t insert (new editor-snip% [editor t2]))
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(send t insert "abc")
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(send t set-position (send t last-position) (send t last-position))
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(send t set-searching-state "b" #f #f)))
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(list 5 5))
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(check-equal?
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(run-search-test
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(λ (t)
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(send t insert "abc")
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(define t2 (new text%))
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(send t2 insert "abc")
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(define t3 (new text%))
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(send t3 insert "abc")
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(send t2 insert (new editor-snip% [editor t3]))
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(send t2 insert "abc")
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(send t insert (new editor-snip% [editor t2]))
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(send t insert "abc")
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(send t set-position 0 0)
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(send t set-searching-state "b" #f #f)))
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(list 0 5))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; print-to-dc
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;;
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(check-not-exn
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(λ ()
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(define t (new text:basic%))
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(define bmp (make-object bitmap% 100 40))
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(define dc (new bitmap-dc% (bitmap bmp)))
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(send t insert "Hello world")
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(send dc clear)
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(send t print-to-dc dc 1)))
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(check-not-exn
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(λ ()
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(define f (new frame% [label ""]))
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(define t (new text:basic%))
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(define ec (new editor-canvas% [parent f] [editor t]))
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(define bmp (make-object bitmap% 100 40))
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(define dc (new bitmap-dc% (bitmap bmp)))
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(send t insert "Hello world")
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(send t highlight-range 2 5 "orange")
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(send f reflow-container)
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(send dc clear)
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(send t print-to-dc dc 1)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; text:ports
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;;
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;; there is an internal buffer of this size, so writes that are larger and smaller are interesting
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(define buffer-size 4096)
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(let ()
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(define big-str
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(build-string (* buffer-size 2) (λ (i) (integer->char (+ (modulo i 26) (char->integer #\a))))))
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(define non-ascii-str "λαβ一二三四五")
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(define (do/separate-thread str mtd)
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(let* ([t (new (text:ports-mixin text:wide-snip%))]
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[op (case mtd
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[(get-out-port) (send t get-out-port)]
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[(get-err-port) (send t get-err-port)]
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[(get-value-port) (send t get-value-port)])]
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[exn #f])
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(yield
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(thread
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(λ ()
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(with-handlers ((exn:fail? (λ (x) (set! exn x))))
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(display str op)
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(flush-output op)))))
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(when exn (raise exn))
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(send t get-text 0 (send t last-position))))
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(check-equal?
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(do/separate-thread "abc" 'get-out-port)
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"abc")
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(check-equal?
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(do/separate-thread big-str 'get-out-port)
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big-str)
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(check-equal?
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(do/separate-thread non-ascii-str 'get-out-port)
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non-ascii-str)
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(check-equal?
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(do/separate-thread "abc" 'get-err-port)
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"abc")
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(check-equal?
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(do/separate-thread big-str 'get-err-port)
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big-str)
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(check-equal?
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(do/separate-thread non-ascii-str 'get-err-port)
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non-ascii-str)
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(check-equal?
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(do/separate-thread "abc" 'get-value-port)
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"abc")
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(check-equal?
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(do/separate-thread big-str 'get-value-port)
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big-str)
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(check-equal?
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(do/separate-thread non-ascii-str 'get-value-port)
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non-ascii-str)
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;; display the big string, one char at a time
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(check-equal?
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(let* ([t (new (text:ports-mixin text:wide-snip%))]
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[op (send t get-out-port)]
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[exn #f])
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(yield
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(thread
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(λ ()
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(with-handlers ((exn:fail? (λ (x) (set! exn x))))
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(let loop ([i 0])
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(when (< i (string-length big-str))
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(display (string-ref big-str i) op)
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(loop (+ i 1))))
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(flush-output op)))))
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(when exn (raise exn))
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(send t get-text 0 (send t last-position)))
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big-str)
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(let ([s "五"])
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(define bts (string->bytes/utf-8 s))
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(check-equal?
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(let ()
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(define t (new (text:ports-mixin text:wide-snip%)))
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(define p (send t get-out-port))
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(write-bytes (bytes (bytes-ref bts 0)) p)
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(flush-output p)
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(void (write-bytes (subbytes bts 1 (bytes-length bts)) p))
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(flush-output p)
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(send t get-text))
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s))
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(let ([b (bytes 195 195 (char->integer #\a))])
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(check-equal?
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(let ()
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(define t (new (text:ports-mixin text:wide-snip%)))
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(define p (send t get-out-port))
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(yield
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(thread
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(λ ()
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(write-bytes b p)
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(flush-output p))))
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(send t get-text))
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(let ()
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(define c (bytes-open-converter "UTF-8-permissive" "UTF-8"))
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(define-values (result-bytes src-read-amt termination) (bytes-convert c b))
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(bytes->string/utf-8 result-bytes))))
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;; the next tests test the interaction when the current
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;; thread is the same as the handler thread of the eventspace
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;; where the text was created
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(check-equal?
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(let* ([t (new (text:ports-mixin text:wide-snip%))]
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[op (send t get-out-port)]
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[exn #f])
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(display "abc" op)
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(flush-output op)
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(send t get-text 0 (send t last-position)))
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"abc")
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(check-equal?
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(let* ([t (new (text:ports-mixin text:wide-snip%))]
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[op (send t get-out-port)])
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(display big-str op)
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(flush-output op)
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(send t get-text 0 (send t last-position)))
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big-str)
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(check-equal?
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(let* ([t (new (text:ports-mixin text:wide-snip%))]
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[op (send t get-out-port)])
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(display non-ascii-str op)
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(flush-output op)
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(send t get-text 0 (send t last-position)))
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non-ascii-str)
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(check-equal?
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(let* ([t (new (text:ports-mixin text:wide-snip%))]
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[op (send t get-out-port)])
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(display non-ascii-str op)
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(flush-output op)
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(send t get-text 0 (send t last-position)))
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non-ascii-str)
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;; This test sends a lot of flushes from a separate thread and,
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;; while doing that, sends a `clear-output-ports` from the
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;; eventspace main thread where the text was created. The goal
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;; is to make sure there is no deadlock for this interaction.
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(check-pred
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(λ (x)
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;; we know we're going to get all 'a's, but some of
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;; the output could be discarded by `clear-output-ports`
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(and (regexp-match? #rx"^a*$" x)
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(<= 100 (string-length x) 200)))
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(let ()
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(define es (make-eventspace))
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(define-values (text port)
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(let ()
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(define c (make-channel))
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(parameterize ([current-eventspace es])
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(queue-callback
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(λ ()
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(define t
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(new (text:ports-mixin
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(text:wide-snip-mixin
|
|
text:basic%))))
|
|
(channel-put c t)
|
|
(channel-put c (send t get-out-port)))))
|
|
(values (channel-get c)
|
|
(channel-get c))))
|
|
(define clear-output-go (make-semaphore 0))
|
|
(define clear-output-done (make-semaphore 0))
|
|
(void
|
|
(thread
|
|
(λ ()
|
|
(semaphore-wait clear-output-go)
|
|
(parameterize ([current-eventspace es])
|
|
(queue-callback
|
|
(λ ()
|
|
(send text clear-output-ports)
|
|
(semaphore-post clear-output-done)))))))
|
|
(for ([x (in-range 100)])
|
|
(display #\a port)
|
|
(flush-output port))
|
|
(semaphore-post clear-output-go)
|
|
(for ([x (in-range 100)])
|
|
(display #\a port)
|
|
(flush-output port))
|
|
(semaphore-wait clear-output-done)
|
|
(send text get-text))))
|
|
|
|
(check-pred
|
|
(λ (x+y)
|
|
(equal? (list-ref x+y 0)
|
|
(list-ref x+y 1)))
|
|
(let ()
|
|
(define t (new (text:ports-mixin
|
|
(editor:standard-style-list-mixin
|
|
text:wide-snip%))))
|
|
|
|
(send t set-max-undo-history 'forever)
|
|
(define last-undo? #f)
|
|
(send t add-undo (λ () (set! last-undo? #t)))
|
|
|
|
(define vp (send t get-value-port))
|
|
(define op (send t get-out-port))
|
|
|
|
(display "1" vp)
|
|
(display "2" op)
|
|
(flush-output vp)
|
|
(flush-output op)
|
|
|
|
(define (to-vec c) (vector (send c red) (send c green) (send c blue)))
|
|
|
|
(define (get-colors)
|
|
(let loop ([s (send t find-first-snip)])
|
|
(cond
|
|
[s (cons (list (send s get-text 0 (send s get-count))
|
|
(to-vec (send (send s get-style) get-foreground)))
|
|
(loop (send s next)))]
|
|
[else '()])))
|
|
|
|
(define before (get-colors))
|
|
(let loop ()
|
|
(unless last-undo?
|
|
(send t undo)
|
|
(loop)))
|
|
(define after (get-colors))
|
|
(list before after)))
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;
|
|
;; ascii art boxes
|
|
;;
|
|
|
|
(define (ascii-art-enlarge-boxes before position overwrite? chars)
|
|
(define t (new (text:ascii-art-enlarge-boxes-mixin text%)))
|
|
(send t set-ascii-art-enlarge #t)
|
|
(define f (new frame% [label ""]))
|
|
(define ec (new editor-canvas% [parent f] [editor t]))
|
|
(send t insert before)
|
|
(send t set-position position position)
|
|
(when overwrite? (send t set-overwrite-mode #t))
|
|
(for ([char (in-list chars)])
|
|
(send ec on-char (new key-event% [key-code char])))
|
|
(send t get-text))
|
|
|
|
|
|
(check-equal? (ascii-art-enlarge-boxes
|
|
(string-append
|
|
"╔═╦═╗\n"
|
|
"║ ║ ║\n"
|
|
"╠═╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚═╩═╝\n")
|
|
7 #t '(#\a))
|
|
(string-append
|
|
"╔═╦═╗\n"
|
|
"║a║ ║\n"
|
|
"╠═╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚═╩═╝\n"))
|
|
|
|
(check-equal? (ascii-art-enlarge-boxes
|
|
(string-append
|
|
"╔═╦═╗\n"
|
|
"║ ║ ║\n"
|
|
"╠═╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚═╩═╝\n")
|
|
7 #t'(#\a #\b))
|
|
(string-append
|
|
"╔══╦═╗\n"
|
|
"║ab║ ║\n"
|
|
"╠══╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚══╩═╝\n"))
|
|
|
|
(check-equal? (ascii-art-enlarge-boxes
|
|
(string-append
|
|
"╔═╦═╗\n"
|
|
"║ ║ ║\n"
|
|
"╠═╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚═╩═╝\n")
|
|
7 #f '(#\a))
|
|
(string-append
|
|
"╔══╦═╗\n"
|
|
"║a ║ ║\n"
|
|
"╠══╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚══╩═╝\n"))
|
|
|
|
(check-equal? (ascii-art-enlarge-boxes
|
|
(string-append
|
|
"╔═╦═╗\n"
|
|
"║ ║ ║\n"
|
|
"║ ║ ║\n"
|
|
"╠═╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚═╩═╝\n")
|
|
14 #f '(#\f))
|
|
(string-append
|
|
"╔══╦═╗\n"
|
|
"║ ║ ║\n"
|
|
"║ f║ ║\n"
|
|
"╠══╬═╣\n"
|
|
"║ ║ ║\n"
|
|
"╚══╩═╝\n"))
|