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did some refactoring to prepare for making the keybindings dialog

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be a frame and react to changes in focus of the main drracket window.

didn't finish because there does not seem to be an equivalent to
on-subwindow-focus that lets the frame detect when one of its
children gets the focus.

related to PR 12474
This commit is contained in:
Robby Findler 2012-01-07 07:11:59 -06:00
parent 950d165133
commit e0a72fab7d
1 changed files with 66 additions and 59 deletions
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125
collects/drracket/private/frame.rkt
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@ -526,74 +526,81 @@
(λ ()
(delete-file tmp-filename)))))))
(define keybindings-dialog%
(class dialog%
(override on-size)
[define on-size
(lambda (w h)
(preferences:set 'drracket:keybindings-window-size (cons w h))
(super on-size w h))]
(super-instantiate ())))
(init-field bindings)
(define/override (on-size w h)
(preferences:set 'drracket:keybindings-window-size (cons w h))
(super on-size w h))
(super-new)
(define (show-keybindings-to-user bindings frame)
(letrec ([f (instantiate keybindings-dialog% ()
(label (string-constant keybindings-frame-title))
(parent frame)
(width (car (preferences:get 'drracket:keybindings-window-size)))
(height (cdr (preferences:get 'drracket:keybindings-window-size)))
(style '(resize-border)))]
[bp (make-object horizontal-panel% f)]
[search-field (new text-field%
[parent f]
(define/public (set-bindings _bindings)
(set! bindings _bindings)
(update-bindings))
(define bp (make-object horizontal-panel% this))
(define search-field (new text-field%
[parent this]
[label (string-constant mfs-search-string)]
[callback (λ (a b) (update-bindings))])]
[b-name (make-object button% (string-constant keybindings-sort-by-name)
bp (λ x
(set! by-key? #f)
(update-bindings)))]
[b-key (make-object button% (string-constant keybindings-sort-by-key)
bp (λ x
(set! by-key? #t)
(update-bindings)))]
[lb
(make-object list-box% #f null f void)]
[bp2 (make-object horizontal-panel% f)]
[cancel (make-object button% (string-constant close)
bp2 (λ x (send f show #f)))]
[space (make-object grow-box-spacer-pane% bp2)]
[filter-search
(λ (bindings)
(let ([str (send search-field get-value)])
(if (equal? str "")
bindings
(let ([reg (regexp (regexp-quote str #f))])
(filter (λ (x) (or (regexp-match reg (cadr x))
(regexp-match reg (format "~a" (car x)))))
bindings)))))]
[by-key? #f]
[update-bindings
(λ ()
(let ([format-binding/name
(λ (b) (format "~a (~a)" (cadr b) (car b)))]
[format-binding/key
(λ (b) (format "~a (~a)" (car b) (cadr b)))]
[predicate/key
(λ (a b) (string-ci<=? (format "~a" (car a))
(format "~a" (car b))))]
[predicate/name
(λ (a b) (string-ci<=? (cadr a) (cadr b)))])
(send lb set
(if by-key?
(map format-binding/key (sort (filter-search bindings) predicate/key))
(map format-binding/name (sort (filter-search bindings) predicate/name))))))])
[callback (λ (a b) (update-bindings))]))
(define b-name (new button%
[label (string-constant keybindings-sort-by-name)]
[parent bp]
[callback
(λ x
(set! by-key? #f)
(update-bindings))]))
(define b-key (new button%
[label (string-constant keybindings-sort-by-key)]
[parent bp]
[callback (λ x
(set! by-key? #t)
(update-bindings))]))
(define lb (new list-box% [parent this] [label #f] [choices '()]))
(define by-key? #f)
(define bp2 (make-object horizontal-panel% this))
(define cancel (make-object button% (string-constant close)
bp2 (λ x (send this show #f))))
(define/private (update-bindings)
(let ([format-binding/name
(λ (b) (format "~a (~a)" (cadr b) (car b)))]
[format-binding/key
(λ (b) (format "~a (~a)" (car b) (cadr b)))]
[predicate/key
(λ (a b) (string-ci<=? (format "~a" (car a))
(format "~a" (car b))))]
[predicate/name
(λ (a b) (string-ci<=? (cadr a) (cadr b)))])
(send lb set
(if by-key?
(map format-binding/key (sort (filter-search bindings) predicate/key))
(map format-binding/name (sort (filter-search bindings) predicate/name))))))
(define/private (filter-search bindings)
(let ([str (send search-field get-value)])
(if (equal? str "")
bindings
(let ([reg (regexp (regexp-quote str #f))])
(filter (λ (x) (or (regexp-match reg (cadr x))
(regexp-match reg (format "~a" (car x)))))
bindings)))))
(send search-field focus)
(send bp stretchable-height #f)
(send bp set-alignment 'center 'center)
(send bp2 stretchable-height #f)
(send bp2 set-alignment 'right 'center)
(update-bindings)
(send f show #t)))
(update-bindings)))
(define (show-keybindings-to-user bindings frame)
(send (new keybindings-dialog%
[label (string-constant keybindings-frame-title)]
[width (car (preferences:get 'drracket:keybindings-window-size))]
[height (cdr (preferences:get 'drracket:keybindings-window-size))]
[bindings bindings])
show #t))
(define -mixin
(mixin (frame:editor<%> frame:text-info<%> drracket:frame:basics<%>) (drracket:frame:<%>)