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tab-choice changes

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svn: r53
This commit is contained in:
Matthew Flatt 2005-06-02 17:41:28 +00:00
parent 724c893b1f
commit 44ea72dd13
1 changed files with 16 additions and 19 deletions
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33
collects/mrlib/tab-choice.ss
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@ -9,7 +9,7 @@
(lib "mred.ss" "mred")
(lib "list.ss"))
(provide tab-choice%
(provide auto-tab-panel%
single<%> single-mixin)
(define single<%> (interface (area-container<%>) active-child))
@ -32,16 +32,10 @@
(send c show #f)
(set! current-active-child c)))
[define/override (container-size l)
(let-values ([(w h) (super container-size l)]
[(dw dh) (if (this . is-a? . window<%>)
(let-values ([(cw ch) (send this get-client-size)]
[(nw nh) (send this get-size)])
(values (- nw cw) (- nh ch)))
(values 0 0))])
(if (null? l)
(values w h)
(values (+ dw (apply max (- w dw) (map car l)))
(+ dh (apply max (- h dh) (map cadr l))))))]
(values 0 0)
(values (apply max (map car l))
(apply max (map cadr l))))]
[define/override (place-children l width height)
(let-values ([(h-align-spec v-align-spec) (get-alignment)])
(let ([align
@ -86,8 +80,8 @@
(end-container-sequence))]))
(super-instantiate ())))
(define tab-choice%
(class (single-mixin tab-panel%)
(define auto-tab-panel%
(class tab-panel%
(init choices
parent
[callback (lambda (b e) (void))])
@ -98,23 +92,26 @@
[parent parent]
[callback
(lambda (b e)
(super active-child (list-ref panels (get-selection)))
(send single-panel active-child (list-ref panels (get-selection)))
(callback b e))])
(define single-panel (new (single-mixin pane%)
[parent this]))
(inherit get-number)
(define panels (let loop ([i (get-number)])
(unless (zero? i)
(cons (new vertical-panel% [parent this])
(cons (new vertical-panel% [parent single-panel])
(loop (sub1 i))))))
(define/public (get-panel i)
(list-ref panels i))
(define/override active-child
(define/public active-child
(case-lambda
[() (super active-child)]
[() (send single-panel active-child)]
[(c)
(super active-child c)
(send single-panel active-child c)
(let loop ([i 0][l panels])
(unless (null? l)
(if (eq? (car l) c)
@ -123,4 +120,4 @@
(define/override (set-selection i)
(super set-selection i)
(super active-child (list-ref panels i))))))
(send single-panel active-child (list-ref panels i))))))