96 lines
No EOL
2.8 KiB
Racket
96 lines
No EOL
2.8 KiB
Racket
#lang racket/gui
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(require "interpreter.rkt"
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framework)
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; The editor width in pixels
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(define EDITOR-WIDTH 600)
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(define EDITOR-HEIGHT 600)
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; The frame racket/gui base object for the editor
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(define f (new frame%
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[label "DrBrainf*ck"]
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[width EDITOR-WIDTH]
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[height EDITOR-HEIGHT]))
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; execute-content: -> ProgState
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; Returns the last state of execution of the program loaded in the editor
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(define (execute-content)
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(execute
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(program->prog-state
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(string->program
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(send editor get-flattened-text)))))
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; The run button
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(define run-btn (new button% [parent f]
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[label "Run"]
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; Callback procedure for a button click:
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[callback
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(lambda (button event)
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; empty output text and set color to running
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(send run-output set-value "")
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(send run-output set-field-background run-col)
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; run the program
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(define out (prog-state-output (execute-content)))
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; set output and change color to ended
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(send run-output set-value out)
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(send run-output set-field-background end-col))]))
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(define c (new editor-canvas% [parent f]))
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; The editor text object
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(define text-ln% (text:line-numbers-mixin
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(editor:standard-style-list-mixin text%)))
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(define editor (new text-ln%))
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; Show line numbers in editor
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(send editor show-line-numbers! #t)
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; Change font to monospace 16
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(send editor change-style (make-object style-delta% 'change-size 16))
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(send editor change-style (make-object style-delta% 'change-family 'modern))
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; Running output color
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(define run-col (make-object color% 250 250 200))
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; Output completed color
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(define end-col (make-object color% 200 250 200))
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(define mb (new menu-bar% [parent f]))
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(define m-file (new menu% [label "File"] [parent mb]))
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(define m-edit (new menu% [label "Edit"] [parent mb]))
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; The run output text object
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(define run-output (new text-field%
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[style (list 'multiple 'vertical-label)]
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[label "Execution output:"]
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[parent f]))
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(define mi-open
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(new menu-item%
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[label "Open"]
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[parent m-file]
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[callback
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(lambda (i e)
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(define path (get-file #f f))
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(when path
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(send editor load-file path 'text)))]
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[shortcut #\o]
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[shortcut-prefix '(ctl)]))
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(define mi-save
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(new menu-item%
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[label "Save"]
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[parent m-file]
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[callback
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(lambda (i e)
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(send editor save-file #f 'text))]
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[shortcut #\s]
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[shortcut-prefix '(ctl)]))
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(append-editor-operation-menu-items m-edit #f)
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(send editor set-max-undo-history 100)
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(send c set-editor editor)
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(send f show #t) |