gui/gui-lib/mred/private/wxcontainer.rkt
2014-12-02 02:33:07 -05:00

42 lines
2.0 KiB
Racket

(module wxcontainer racket/base
(require racket/class
racket/list
(prefix-in wx: "kernel.rkt")
"lock.rkt"
"helper.rkt"
"wx.rkt")
(provide (protect-out make-container-glue%
wx-make-container%))
(define (make-container-glue% %)
(class %
(init mr prxy)
(init-rest args)
(inherit do-place-children do-get-graphical-min-size get-children-info get-hidden-child)
(define mred mr)
(define proxy prxy)
(override*
[get-graphical-min-size (lambda ()
(cond
[mred (let ([info
(map (lambda (i)
(list (child-info-x-min i) (child-info-y-min i)
(child-info-x-stretch i) (child-info-y-stretch i)))
(get-children-info))])
(let-values ([(w h) (as-exit (lambda () (send mred container-size
(if (get-hidden-child)
(cdr info) ; hidden child is first
info))))])
(list w h)))]
[else (do-get-graphical-min-size)]))]
[place-children (lambda (l w h)
(cond
[(null? l) null]
[mred (as-exit (lambda () (send mred place-children l w h)))]
[else (do-place-children l w h)]))])
(apply super-make-object mred proxy args)))
;; make-container% - for panels and top-level windows
(define (wx-make-container% %) %))