racket/collects/macro-debugger/view/extensions.ss
Matthew Flatt 24739359e4 Ryan's macro-stepper patches
svn: r9794
2008-05-10 11:02:47 +00:00

101 lines
2.8 KiB
Scheme

#lang scheme/base
(require scheme/class
scheme/unit
scheme/list
scheme/match
scheme/gui
framework/framework
syntax/boundmap
"interfaces.ss"
"prefs.ss"
"warning.ss"
"hiding-panel.ss"
(prefix-in s: "../syntax-browser/widget.ss")
(prefix-in s: "../syntax-browser/keymap.ss")
"../model/deriv.ss"
"../model/deriv-util.ss"
"../model/trace.ss"
"../model/steps.ss"
"cursor.ss"
"../util/notify.ss")
(provide stepper-keymap%
stepper-syntax-widget%)
;; Extensions
(define stepper-keymap%
(class s:syntax-keymap%
(init-field macro-stepper)
(inherit-field config
controller
the-context-menu)
(inherit add-function
call-function)
(define show-macro #f)
(define hide-macro #f)
(super-new)
(define/public (get-hiding-panel)
(send macro-stepper get-macro-hiding-prefs))
(add-function "hiding:show-macro"
(lambda (i e)
(send* (get-hiding-panel)
(add-show-identifier)
(refresh))))
(add-function "hiding:hide-macro"
(lambda (i e)
(send* (get-hiding-panel)
(add-hide-identifier)
(refresh))))
;; Menu
(inherit add-separator)
(define/override (after-selection-items)
(super after-selection-items)
(add-separator)
(set! show-macro
(new menu-item% (label "Show selected identifier") (parent the-context-menu)
(callback (lambda (i e)
(call-function "hiding:show-macro" i e)))))
(set! hide-macro
(new menu-item% (label "Hide selected identifier") (parent the-context-menu)
(callback (lambda (i e)
(call-function "hiding:hide-macro" i e)))))
(enable/disable-hide/show #f)
(void))
(define/private (enable/disable-hide/show ?)
(send show-macro enable ?)
(send hide-macro enable ?))
(send controller listen-selected-syntax
(lambda (stx)
(enable/disable-hide/show (identifier? stx))))))
(define stepper-syntax-widget%
(class s:widget%
(init-field macro-stepper)
(inherit get-text)
(inherit-field controller)
(define/override (setup-keymap)
(new stepper-keymap%
(editor (get-text))
(config (send macro-stepper get-config))
(controller controller)
(macro-stepper macro-stepper)))
(define/override (show-props show?)
(super show-props show?)
(send macro-stepper update/preserve-view))
(super-new
(config (send macro-stepper get-config)))))