racket/collects/macro-debugger/view/extensions.ss
2007-08-29 20:42:01 +00:00

113 lines
3.4 KiB
Scheme

(module extensions mzscheme
(require (lib "class.ss")
(lib "unit.ss")
(lib "list.ss")
(lib "plt-match.ss")
(lib "mred.ss" "mred")
(lib "framework.ss" "framework")
(lib "boundmap.ss" "syntax")
"interfaces.ss"
"prefs.ss"
"warning.ss"
"hiding-panel.ss"
(prefix s: "../syntax-browser/widget.ss")
"../model/deriv.ss"
"../model/deriv-util.ss"
"../model/trace.ss"
"../model/hide.ss"
"../model/steps.ss"
"cursor.ss"
"util.ss")
(provide stepper-keymap%
stepper-context-menu%
stepper-syntax-widget%)
;; Extensions
(define stepper-keymap%
(class s:widget-keymap%
(init-field macro-stepper)
(inherit-field controller)
(inherit add-function)
(super-new)
(define/override (get-context-menu%)
stepper-context-menu%)
(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))))))
(define stepper-context-menu%
(class s:widget-context-menu%
(inherit-field keymap)
(inherit add-separator)
(field [show-macro #f]
[hide-macro #f])
(define/override (after-selection-items)
(super after-selection-items)
(add-separator)
(set! show-macro
(new menu-item% (label "Show this macro") (parent this)
(callback (lambda (i e)
(send keymap call-function "hiding:show-macro" i e)))))
(set! hide-macro
(new menu-item% (label "Hide this macro") (parent this)
(callback (lambda (i e)
(send keymap call-function "hiding:hide-macro" i e)))))
(void))
(define/override (on-demand)
(define hiding-panel (send keymap get-hiding-panel))
(define controller (send keymap get-controller))
(define stx (send controller get-selected-syntax))
(define id? (identifier? stx))
(send show-macro enable id?)
(send hide-macro enable id?)
(super on-demand))
(super-new)))
(define stepper-syntax-widget%
(class s:widget%
(init-field macro-stepper)
(inherit get-text)
(define/override (setup-keymap)
(new stepper-keymap%
(editor (get-text))
(widget this)
(macro-stepper macro-stepper)))
(define/override (show-props show?)
(super show-props show?)
(send macro-stepper update/preserve-view))
(super-new
(config (new config-adapter%
(config (send macro-stepper get-config)))))))
(define config-adapter%
(class object%
(init-field config)
(define/public pref:props-percentage
(case-lambda [() (send config get-props-percentage)]
[(v) (send config set-props-percentage v)]))
(super-new)))
)